--- /dev/null
+
+/*
+Terminology: Stencil Shadow Volume (sometimes called Stencil Shadows)
+An extrusion of the lit faces, beginning at the original geometry and ending
+further from the light source than the original geometry (presumably at least
+as far as the light's radius, if the light has a radius at all), capped at
+both front and back to avoid any problems (extrusion from dark faces also
+works but has a different set of problems)
+
+This is normally rendered using Carmack's Reverse technique, in which
+backfaces behind zbuffer (zfail) increment the stencil, and frontfaces behind
+zbuffer (zfail) decrement the stencil, the result is a stencil value of zero
+where shadows did not intersect the visible geometry, suitable as a stencil
+mask for rendering lighting everywhere but shadow.
+
+In our case to hopefully avoid the Creative Labs patent, we draw the backfaces
+as decrement and the frontfaces as increment, and we redefine the DepthFunc to
+GL_LESS (the patent uses GL_GEQUAL) which causes zfail when behind surfaces
+and zpass when infront (the patent draws where zpass with a GL_GEQUAL test),
+additionally we clear stencil to 128 to avoid the need for the unclamped
+incr/decr extension (not related to patent).
+
+Patent warning:
+This algorithm may be covered by Creative's patent (US Patent #6384822),
+however that patent is quite specific about increment on backfaces and
+decrement on frontfaces where zpass with GL_GEQUAL depth test, which is
+opposite this implementation and partially opposite Carmack's Reverse paper
+(which uses GL_LESS, but increments on backfaces and decrements on frontfaces).
+
+
+
+Terminology: Stencil Light Volume (sometimes called Light Volumes)
+Similar to a Stencil Shadow Volume, but inverted; rather than containing the
+areas in shadow it contains the areas in light, this can only be built
+quickly for certain limited cases (such as portal visibility from a point),
+but is quite useful for some effects (sunlight coming from sky polygons is
+one possible example, translucent occluders is another example).
+
+
+
+Terminology: Optimized Stencil Shadow Volume
+A Stencil Shadow Volume that has been processed sufficiently to ensure it has
+no duplicate coverage of areas (no need to shadow an area twice), often this
+greatly improves performance but is an operation too costly to use on moving
+lights (however completely optimal Stencil Light Volumes can be constructed
+in some ideal cases).
+
+
+
+Terminology: Per Pixel Lighting (sometimes abbreviated PPL)
+Per pixel evaluation of lighting equations, at a bare minimum this involves
+DOT3 shading of diffuse lighting (per pixel dotproduct of negated incidence
+vector and surface normal, using a texture of the surface bumps, called a
+NormalMap) if supported by hardware; in our case there is support for cards
+which are incapable of DOT3, the quality is quite poor however. Additionally
+it is desirable to have specular evaluation per pixel, per vertex
+normalization of specular halfangle vectors causes noticable distortion but
+is unavoidable on hardware without GL_ARB_fragment_program or
+GL_ARB_fragment_shader.
+
+
+
+Terminology: Normalization CubeMap
+A cubemap containing normalized dot3-encoded (vectors of length 1 or less
+encoded as RGB colors) for any possible direction, this technique allows per
+pixel calculation of incidence vector for per pixel lighting purposes, which
+would not otherwise be possible per pixel without GL_ARB_fragment_program or
+GL_ARB_fragment_shader.
+
+
+
+Terminology: 2D+1D Attenuation Texturing
+A very crude approximation of light attenuation with distance which results
+in cylindrical light shapes which fade vertically as a streak (some games
+such as Doom3 allow this to be rotated to be less noticable in specific
+cases), the technique is simply modulating lighting by two 2D textures (which
+can be the same) on different axes of projection (XY and Z, typically), this
+is the second best technique available without 3D Attenuation Texturing,
+GL_ARB_fragment_program or GL_ARB_fragment_shader technology.
+
+
+
+Terminology: 2D+1D Inverse Attenuation Texturing
+A clever method described in papers on the Abducted engine, this has a squared
+distance texture (bright on the outside, black in the middle), which is used
+twice using GL_ADD blending, the result of this is used in an inverse modulate
+(GL_ONE_MINUS_DST_ALPHA, GL_ZERO) to implement the equation
+lighting*=(1-((X*X+Y*Y)+(Z*Z))) which is spherical (unlike 2D+1D attenuation
+texturing).
+
+
+
+Terminology: 3D Attenuation Texturing
+A slightly crude approximation of light attenuation with distance, its flaws
+are limited radius and resolution (performance tradeoffs).
+
+
+
+Terminology: 3D Attenuation-Normalization Texturing
+A 3D Attenuation Texture merged with a Normalization CubeMap, by making the
+vectors shorter the lighting becomes darker, a very effective optimization of
+diffuse lighting if 3D Attenuation Textures are already used.
+
+
+
+Terminology: Light Cubemap Filtering
+A technique for modeling non-uniform light distribution according to
+direction, for example a lantern may use a cubemap to describe the light
+emission pattern of the cage around the lantern (as well as soot buildup
+discoloring the light in certain areas), often also used for softened grate
+shadows and light shining through a stained glass window (done crudely by
+texturing the lighting with a cubemap), another good example would be a disco
+light. This technique is used heavily in many games (Doom3 does not support
+this however).
+
+
+
+Terminology: Light Projection Filtering
+A technique for modeling shadowing of light passing through translucent
+surfaces, allowing stained glass windows and other effects to be done more
+elegantly than possible with Light Cubemap Filtering by applying an occluder
+texture to the lighting combined with a stencil light volume to limit the lit
+area, this technique is used by Doom3 for spotlights and flashlights, among
+other things, this can also be used more generally to render light passing
+through multiple translucent occluders in a scene (using a light volume to
+describe the area beyond the occluder, and thus mask off rendering of all
+other areas).
+
+
+
+Terminology: Doom3 Lighting
+A combination of Stencil Shadow Volume, Per Pixel Lighting, Normalization
+CubeMap, 2D+1D Attenuation Texturing, and Light Projection Filtering, as
+demonstrated by the game Doom3.
+*/
+
+#include "quakedef.h"
+#include "r_shadow.h"
+#include "cl_collision.h"
+#include "portals.h"
+#include "image.h"
+#include "dpsoftrast.h"
+
+#ifdef SUPPORTD3D
+#include <d3d9.h>
+extern LPDIRECT3DDEVICE9 vid_d3d9dev;
+#endif
+
+extern void R_Shadow_EditLights_Init(void);
+
+typedef enum r_shadow_rendermode_e
+{
+ R_SHADOW_RENDERMODE_NONE,
+ R_SHADOW_RENDERMODE_ZPASS_STENCIL,
+ R_SHADOW_RENDERMODE_ZPASS_SEPARATESTENCIL,
+ R_SHADOW_RENDERMODE_ZPASS_STENCILTWOSIDE,
+ R_SHADOW_RENDERMODE_ZFAIL_STENCIL,
+ R_SHADOW_RENDERMODE_ZFAIL_SEPARATESTENCIL,
+ R_SHADOW_RENDERMODE_ZFAIL_STENCILTWOSIDE,
+ R_SHADOW_RENDERMODE_LIGHT_VERTEX,
+ R_SHADOW_RENDERMODE_LIGHT_VERTEX2DATTEN,
+ R_SHADOW_RENDERMODE_LIGHT_VERTEX2D1DATTEN,
+ R_SHADOW_RENDERMODE_LIGHT_VERTEX3DATTEN,
+ R_SHADOW_RENDERMODE_LIGHT_GLSL,
+ R_SHADOW_RENDERMODE_VISIBLEVOLUMES,
+ R_SHADOW_RENDERMODE_VISIBLELIGHTING,
+ R_SHADOW_RENDERMODE_SHADOWMAP2D
+}
+r_shadow_rendermode_t;
+
+typedef enum r_shadow_shadowmode_e
+{
+ R_SHADOW_SHADOWMODE_STENCIL,
+ R_SHADOW_SHADOWMODE_SHADOWMAP2D
+}
+r_shadow_shadowmode_t;
+
+r_shadow_rendermode_t r_shadow_rendermode = R_SHADOW_RENDERMODE_NONE;
+r_shadow_rendermode_t r_shadow_lightingrendermode = R_SHADOW_RENDERMODE_NONE;
+r_shadow_rendermode_t r_shadow_shadowingrendermode_zpass = R_SHADOW_RENDERMODE_NONE;
+r_shadow_rendermode_t r_shadow_shadowingrendermode_zfail = R_SHADOW_RENDERMODE_NONE;
+qboolean r_shadow_usingshadowmap2d;
+qboolean r_shadow_usingshadowmaportho;
+int r_shadow_shadowmapside;
+float r_shadow_shadowmap_texturescale[2];
+float r_shadow_shadowmap_parameters[4];
+#if 0
+int r_shadow_drawbuffer;
+int r_shadow_readbuffer;
+#endif
+int r_shadow_cullface_front, r_shadow_cullface_back;
+GLuint r_shadow_fbo2d;
+r_shadow_shadowmode_t r_shadow_shadowmode;
+int r_shadow_shadowmapfilterquality;
+int r_shadow_shadowmapdepthbits;
+int r_shadow_shadowmapmaxsize;
+qboolean r_shadow_shadowmapvsdct;
+qboolean r_shadow_shadowmapsampler;
+int r_shadow_shadowmappcf;
+int r_shadow_shadowmapborder;
+matrix4x4_t r_shadow_shadowmapmatrix;
+int r_shadow_lightscissor[4];
+qboolean r_shadow_usingdeferredprepass;
+
+int maxshadowtriangles;
+int *shadowelements;
+
+int maxshadowvertices;
+float *shadowvertex3f;
+
+int maxshadowmark;
+int numshadowmark;
+int *shadowmark;
+int *shadowmarklist;
+int shadowmarkcount;
+
+int maxshadowsides;
+int numshadowsides;
+unsigned char *shadowsides;
+int *shadowsideslist;
+
+int maxvertexupdate;
+int *vertexupdate;
+int *vertexremap;
+int vertexupdatenum;
+
+int r_shadow_buffer_numleafpvsbytes;
+unsigned char *r_shadow_buffer_visitingleafpvs;
+unsigned char *r_shadow_buffer_leafpvs;
+int *r_shadow_buffer_leaflist;
+
+int r_shadow_buffer_numsurfacepvsbytes;
+unsigned char *r_shadow_buffer_surfacepvs;
+int *r_shadow_buffer_surfacelist;
+unsigned char *r_shadow_buffer_surfacesides;
+
+int r_shadow_buffer_numshadowtrispvsbytes;
+unsigned char *r_shadow_buffer_shadowtrispvs;
+int r_shadow_buffer_numlighttrispvsbytes;
+unsigned char *r_shadow_buffer_lighttrispvs;
+
+rtexturepool_t *r_shadow_texturepool;
+rtexture_t *r_shadow_attenuationgradienttexture;
+rtexture_t *r_shadow_attenuation2dtexture;
+rtexture_t *r_shadow_attenuation3dtexture;
+skinframe_t *r_shadow_lightcorona;
+rtexture_t *r_shadow_shadowmap2dtexture;
+rtexture_t *r_shadow_shadowmap2dcolortexture;
+rtexture_t *r_shadow_shadowmapvsdcttexture;
+int r_shadow_shadowmapsize; // changes for each light based on distance
+int r_shadow_shadowmaplod; // changes for each light based on distance
+
+GLuint r_shadow_prepassgeometryfbo;
+GLuint r_shadow_prepasslightingdiffusespecularfbo;
+GLuint r_shadow_prepasslightingdiffusefbo;
+int r_shadow_prepass_width;
+int r_shadow_prepass_height;
+rtexture_t *r_shadow_prepassgeometrydepthtexture;
+rtexture_t *r_shadow_prepassgeometrydepthcolortexture;
+rtexture_t *r_shadow_prepassgeometrynormalmaptexture;
+rtexture_t *r_shadow_prepasslightingdiffusetexture;
+rtexture_t *r_shadow_prepasslightingspeculartexture;
+
+// lights are reloaded when this changes
+char r_shadow_mapname[MAX_QPATH];
+
+// used only for light filters (cubemaps)
+rtexturepool_t *r_shadow_filters_texturepool;
+
+static const GLenum r_shadow_prepasslightingdrawbuffers[2] = {GL_COLOR_ATTACHMENT0_EXT, GL_COLOR_ATTACHMENT1_EXT};
+
+cvar_t r_shadow_bumpscale_basetexture = {0, "r_shadow_bumpscale_basetexture", "0", "generate fake bumpmaps from diffuse textures at this bumpyness, try 4 to match tenebrae, higher values increase depth, requires r_restart to take effect"};
+cvar_t r_shadow_bumpscale_bumpmap = {0, "r_shadow_bumpscale_bumpmap", "4", "what magnitude to interpret _bump.tga textures as, higher values increase depth, requires r_restart to take effect"};
+cvar_t r_shadow_debuglight = {0, "r_shadow_debuglight", "-1", "renders only one light, for level design purposes or debugging"};
+cvar_t r_shadow_deferred = {CVAR_SAVE, "r_shadow_deferred", "0", "uses image-based lighting instead of geometry-based lighting, the method used renders a depth image and a normalmap image, renders lights into separate diffuse and specular images, and then combines this into the normal rendering, requires r_shadow_shadowmapping"};
+cvar_t r_shadow_deferred_8bitrange = {CVAR_SAVE, "r_shadow_deferred_8bitrange", "4", "dynamic range of image-based lighting when using 32bit color (does not apply to fp)"};
+//cvar_t r_shadow_deferred_fp = {CVAR_SAVE, "r_shadow_deferred_fp", "0", "use 16bit (1) or 32bit (2) floating point for accumulation of image-based lighting"};
+cvar_t r_shadow_usebihculling = {0, "r_shadow_usebihculling", "1", "use BIH (Bounding Interval Hierarchy) for culling lit surfaces instead of BSP (Binary Space Partitioning)"};
+cvar_t r_shadow_usenormalmap = {CVAR_SAVE, "r_shadow_usenormalmap", "1", "enables use of directional shading on lights"};
+cvar_t r_shadow_gloss = {CVAR_SAVE, "r_shadow_gloss", "1", "0 disables gloss (specularity) rendering, 1 uses gloss if textures are found, 2 forces a flat metallic specular effect on everything without textures (similar to tenebrae)"};
+cvar_t r_shadow_gloss2intensity = {0, "r_shadow_gloss2intensity", "0.125", "how bright the forced flat gloss should look if r_shadow_gloss is 2"};
+cvar_t r_shadow_glossintensity = {0, "r_shadow_glossintensity", "1", "how bright textured glossmaps should look if r_shadow_gloss is 1 or 2"};
+cvar_t r_shadow_glossexponent = {0, "r_shadow_glossexponent", "32", "how 'sharp' the gloss should appear (specular power)"};
+cvar_t r_shadow_gloss2exponent = {0, "r_shadow_gloss2exponent", "32", "same as r_shadow_glossexponent but for forced gloss (gloss 2) surfaces"};
+cvar_t r_shadow_glossexact = {0, "r_shadow_glossexact", "0", "use exact reflection math for gloss (slightly slower, but should look a tad better)"};
+cvar_t r_shadow_lightattenuationdividebias = {0, "r_shadow_lightattenuationdividebias", "1", "changes attenuation texture generation"};
+cvar_t r_shadow_lightattenuationlinearscale = {0, "r_shadow_lightattenuationlinearscale", "2", "changes attenuation texture generation"};
+cvar_t r_shadow_lightintensityscale = {0, "r_shadow_lightintensityscale", "1", "renders all world lights brighter or darker"};
+cvar_t r_shadow_lightradiusscale = {0, "r_shadow_lightradiusscale", "1", "renders all world lights larger or smaller"};
+cvar_t r_shadow_projectdistance = {0, "r_shadow_projectdistance", "0", "how far to cast shadows"};
+cvar_t r_shadow_frontsidecasting = {0, "r_shadow_frontsidecasting", "1", "whether to cast shadows from illuminated triangles (front side of model) or unlit triangles (back side of model)"};
+cvar_t r_shadow_realtime_dlight = {CVAR_SAVE, "r_shadow_realtime_dlight", "1", "enables rendering of dynamic lights such as explosions and rocket light"};
+cvar_t r_shadow_realtime_dlight_shadows = {CVAR_SAVE, "r_shadow_realtime_dlight_shadows", "1", "enables rendering of shadows from dynamic lights"};
+cvar_t r_shadow_realtime_dlight_svbspculling = {0, "r_shadow_realtime_dlight_svbspculling", "0", "enables svbsp optimization on dynamic lights (very slow!)"};
+cvar_t r_shadow_realtime_dlight_portalculling = {0, "r_shadow_realtime_dlight_portalculling", "0", "enables portal optimization on dynamic lights (slow!)"};
+cvar_t r_shadow_realtime_world = {CVAR_SAVE, "r_shadow_realtime_world", "0", "enables rendering of full world lighting (whether loaded from the map, or a .rtlights file, or a .ent file, or a .lights file produced by hlight)"};
+cvar_t r_shadow_realtime_world_lightmaps = {CVAR_SAVE, "r_shadow_realtime_world_lightmaps", "0", "brightness to render lightmaps when using full world lighting, try 0.5 for a tenebrae-like appearance"};
+cvar_t r_shadow_realtime_world_shadows = {CVAR_SAVE, "r_shadow_realtime_world_shadows", "1", "enables rendering of shadows from world lights"};
+cvar_t r_shadow_realtime_world_compile = {0, "r_shadow_realtime_world_compile", "1", "enables compilation of world lights for higher performance rendering"};
+cvar_t r_shadow_realtime_world_compileshadow = {0, "r_shadow_realtime_world_compileshadow", "1", "enables compilation of shadows from world lights for higher performance rendering"};
+cvar_t r_shadow_realtime_world_compilesvbsp = {0, "r_shadow_realtime_world_compilesvbsp", "1", "enables svbsp optimization during compilation (slower than compileportalculling but more exact)"};
+cvar_t r_shadow_realtime_world_compileportalculling = {0, "r_shadow_realtime_world_compileportalculling", "1", "enables portal-based culling optimization during compilation (overrides compilesvbsp)"};
+cvar_t r_shadow_scissor = {0, "r_shadow_scissor", "1", "use scissor optimization of light rendering (restricts rendering to the portion of the screen affected by the light)"};
+cvar_t r_shadow_shadowmapping = {CVAR_SAVE, "r_shadow_shadowmapping", "1", "enables use of shadowmapping (depth texture sampling) instead of stencil shadow volumes, requires gl_fbo 1"};
+cvar_t r_shadow_shadowmapping_filterquality = {CVAR_SAVE, "r_shadow_shadowmapping_filterquality", "-1", "shadowmap filter modes: -1 = auto-select, 0 = no filtering, 1 = bilinear, 2 = bilinear 2x2 blur (fast), 3 = 3x3 blur (moderate), 4 = 4x4 blur (slow)"};
+cvar_t r_shadow_shadowmapping_depthbits = {CVAR_SAVE, "r_shadow_shadowmapping_depthbits", "24", "requested minimum shadowmap texture depth bits"};
+cvar_t r_shadow_shadowmapping_vsdct = {CVAR_SAVE, "r_shadow_shadowmapping_vsdct", "1", "enables use of virtual shadow depth cube texture"};
+cvar_t r_shadow_shadowmapping_minsize = {CVAR_SAVE, "r_shadow_shadowmapping_minsize", "32", "shadowmap size limit"};
+cvar_t r_shadow_shadowmapping_maxsize = {CVAR_SAVE, "r_shadow_shadowmapping_maxsize", "512", "shadowmap size limit"};
+cvar_t r_shadow_shadowmapping_precision = {CVAR_SAVE, "r_shadow_shadowmapping_precision", "1", "makes shadowmaps have a maximum resolution of this number of pixels per light source radius unit such that, for example, at precision 0.5 a light with radius 200 will have a maximum resolution of 100 pixels"};
+//cvar_t r_shadow_shadowmapping_lod_bias = {CVAR_SAVE, "r_shadow_shadowmapping_lod_bias", "16", "shadowmap size bias"};
+//cvar_t r_shadow_shadowmapping_lod_scale = {CVAR_SAVE, "r_shadow_shadowmapping_lod_scale", "128", "shadowmap size scaling parameter"};
+cvar_t r_shadow_shadowmapping_bordersize = {CVAR_SAVE, "r_shadow_shadowmapping_bordersize", "4", "shadowmap size bias for filtering"};
+cvar_t r_shadow_shadowmapping_nearclip = {CVAR_SAVE, "r_shadow_shadowmapping_nearclip", "1", "shadowmap nearclip in world units"};
+cvar_t r_shadow_shadowmapping_bias = {CVAR_SAVE, "r_shadow_shadowmapping_bias", "0.03", "shadowmap bias parameter (this is multiplied by nearclip * 1024 / lodsize)"};
+cvar_t r_shadow_shadowmapping_polygonfactor = {CVAR_SAVE, "r_shadow_shadowmapping_polygonfactor", "2", "slope-dependent shadowmapping bias"};
+cvar_t r_shadow_shadowmapping_polygonoffset = {CVAR_SAVE, "r_shadow_shadowmapping_polygonoffset", "0", "constant shadowmapping bias"};
+cvar_t r_shadow_sortsurfaces = {0, "r_shadow_sortsurfaces", "1", "improve performance by sorting illuminated surfaces by texture"};
+cvar_t r_shadow_polygonfactor = {0, "r_shadow_polygonfactor", "0", "how much to enlarge shadow volume polygons when rendering (should be 0!)"};
+cvar_t r_shadow_polygonoffset = {0, "r_shadow_polygonoffset", "1", "how much to push shadow volumes into the distance when rendering, to reduce chances of zfighting artifacts (should not be less than 0)"};
+cvar_t r_shadow_texture3d = {0, "r_shadow_texture3d", "1", "use 3D voxel textures for spherical attenuation rather than cylindrical (does not affect OpenGL 2.0 render path)"};
+cvar_t r_shadow_bouncegrid = {CVAR_SAVE, "r_shadow_bouncegrid", "0", "perform particle tracing for indirect lighting (Global Illumination / radiosity) using a 3D texture covering the scene, only active on levels with realtime lights active (r_shadow_realtime_world is usually required for these)"};
+cvar_t r_shadow_bouncegrid_bounceanglediffuse = {CVAR_SAVE, "r_shadow_bouncegrid_bounceanglediffuse", "0", "use random bounce direction rather than true reflection, makes some corner areas dark"};
+cvar_t r_shadow_bouncegrid_directionalshading = {CVAR_SAVE, "r_shadow_bouncegrid_directionalshading", "0", "use diffuse shading rather than ambient, 3D texture becomes 8x as many pixels to hold the additional data"};
+cvar_t r_shadow_bouncegrid_dlightparticlemultiplier = {CVAR_SAVE, "r_shadow_bouncegrid_dlightparticlemultiplier", "0", "if set to a high value like 16 this can make dlights look great, but 0 is recommended for performance reasons"};
+cvar_t r_shadow_bouncegrid_hitmodels = {CVAR_SAVE, "r_shadow_bouncegrid_hitmodels", "0", "enables hitting character model geometry (SLOW)"};
+cvar_t r_shadow_bouncegrid_includedirectlighting = {CVAR_SAVE, "r_shadow_bouncegrid_includedirectlighting", "0", "allows direct lighting to be recorded, not just indirect (gives an effect somewhat like r_shadow_realtime_world_lightmaps)"};
+cvar_t r_shadow_bouncegrid_intensity = {CVAR_SAVE, "r_shadow_bouncegrid_intensity", "4", "overall brightness of bouncegrid texture"};
+cvar_t r_shadow_bouncegrid_lightradiusscale = {CVAR_SAVE, "r_shadow_bouncegrid_lightradiusscale", "4", "particles stop at this fraction of light radius (can be more than 1)"};
+cvar_t r_shadow_bouncegrid_maxbounce = {CVAR_SAVE, "r_shadow_bouncegrid_maxbounce", "2", "maximum number of bounces for a particle (minimum is 0)"};
+cvar_t r_shadow_bouncegrid_particlebounceintensity = {CVAR_SAVE, "r_shadow_bouncegrid_particlebounceintensity", "1", "amount of energy carried over after each bounce, this is a multiplier of texture color and the result is clamped to 1 or less, to prevent adding energy on each bounce"};
+cvar_t r_shadow_bouncegrid_particleintensity = {CVAR_SAVE, "r_shadow_bouncegrid_particleintensity", "1", "brightness of particles contributing to bouncegrid texture"};
+cvar_t r_shadow_bouncegrid_photons = {CVAR_SAVE, "r_shadow_bouncegrid_photons", "2000", "total photons to shoot per update, divided proportionately between lights"};
+cvar_t r_shadow_bouncegrid_spacing = {CVAR_SAVE, "r_shadow_bouncegrid_spacing", "64", "unit size of bouncegrid pixel"};
+cvar_t r_shadow_bouncegrid_stablerandom = {CVAR_SAVE, "r_shadow_bouncegrid_stablerandom", "1", "make particle distribution consistent from frame to frame"};
+cvar_t r_shadow_bouncegrid_static = {CVAR_SAVE, "r_shadow_bouncegrid_static", "1", "use static radiosity solution (high quality) rather than dynamic (splotchy)"};
+cvar_t r_shadow_bouncegrid_static_directionalshading = {CVAR_SAVE, "r_shadow_bouncegrid_static_directionalshading", "1", "whether to use directionalshading when in static mode"};
+cvar_t r_shadow_bouncegrid_static_lightradiusscale = {CVAR_SAVE, "r_shadow_bouncegrid_static_lightradiusscale", "10", "particles stop at this fraction of light radius (can be more than 1) when in static mode"};
+cvar_t r_shadow_bouncegrid_static_maxbounce = {CVAR_SAVE, "r_shadow_bouncegrid_static_maxbounce", "5", "maximum number of bounces for a particle (minimum is 0) in static mode"};
+cvar_t r_shadow_bouncegrid_static_photons = {CVAR_SAVE, "r_shadow_bouncegrid_static_photons", "25000", "photons value to use when in static mode"};
+cvar_t r_shadow_bouncegrid_updateinterval = {CVAR_SAVE, "r_shadow_bouncegrid_updateinterval", "0", "update bouncegrid texture once per this many seconds, useful values are 0, 0.05, or 1000000"};
+cvar_t r_shadow_bouncegrid_x = {CVAR_SAVE, "r_shadow_bouncegrid_x", "64", "maximum texture size of bouncegrid on X axis"};
+cvar_t r_shadow_bouncegrid_y = {CVAR_SAVE, "r_shadow_bouncegrid_y", "64", "maximum texture size of bouncegrid on Y axis"};
+cvar_t r_shadow_bouncegrid_z = {CVAR_SAVE, "r_shadow_bouncegrid_z", "32", "maximum texture size of bouncegrid on Z axis"};
+cvar_t r_coronas = {CVAR_SAVE, "r_coronas", "1", "brightness of corona flare effects around certain lights, 0 disables corona effects"};
+cvar_t r_coronas_occlusionsizescale = {CVAR_SAVE, "r_coronas_occlusionsizescale", "0.1", "size of light source for corona occlusion checksum the proportion of hidden pixels controls corona intensity"};
+cvar_t r_coronas_occlusionquery = {CVAR_SAVE, "r_coronas_occlusionquery", "1", "use GL_ARB_occlusion_query extension if supported (fades coronas according to visibility)"};
+cvar_t gl_flashblend = {CVAR_SAVE, "gl_flashblend", "0", "render bright coronas for dynamic lights instead of actual lighting, fast but ugly"};
+cvar_t gl_ext_separatestencil = {0, "gl_ext_separatestencil", "1", "make use of OpenGL 2.0 glStencilOpSeparate or GL_ATI_separate_stencil extension"};
+cvar_t gl_ext_stenciltwoside = {0, "gl_ext_stenciltwoside", "1", "make use of GL_EXT_stenciltwoside extension (NVIDIA only)"};
+cvar_t r_editlights = {0, "r_editlights", "0", "enables .rtlights file editing mode"};
+cvar_t r_editlights_cursordistance = {0, "r_editlights_cursordistance", "1024", "maximum distance of cursor from eye"};
+cvar_t r_editlights_cursorpushback = {0, "r_editlights_cursorpushback", "0", "how far to pull the cursor back toward the eye"};
+cvar_t r_editlights_cursorpushoff = {0, "r_editlights_cursorpushoff", "4", "how far to push the cursor off the impacted surface"};
+cvar_t r_editlights_cursorgrid = {0, "r_editlights_cursorgrid", "4", "snaps cursor to this grid size"};
+cvar_t r_editlights_quakelightsizescale = {CVAR_SAVE, "r_editlights_quakelightsizescale", "1", "changes size of light entities loaded from a map"};
+
+typedef struct r_shadow_bouncegrid_settings_s
+{
+ qboolean staticmode;
+ qboolean bounceanglediffuse;
+ qboolean directionalshading;
+ qboolean includedirectlighting;
+ float dlightparticlemultiplier;
+ qboolean hitmodels;
+ float lightradiusscale;
+ int maxbounce;
+ float particlebounceintensity;
+ float particleintensity;
+ int photons;
+ float spacing[3];
+ int stablerandom;
+}
+r_shadow_bouncegrid_settings_t;
+
+r_shadow_bouncegrid_settings_t r_shadow_bouncegridsettings;
+rtexture_t *r_shadow_bouncegridtexture;
+matrix4x4_t r_shadow_bouncegridmatrix;
+vec_t r_shadow_bouncegridintensity;
+qboolean r_shadow_bouncegriddirectional;
+static double r_shadow_bouncegridtime;
+static int r_shadow_bouncegridresolution[3];
+static int r_shadow_bouncegridnumpixels;
+static unsigned char *r_shadow_bouncegridpixels;
+static float *r_shadow_bouncegridhighpixels;
+
+// note the table actually includes one more value, just to avoid the need to clamp the distance index due to minor math error
+#define ATTENTABLESIZE 256
+// 1D gradient, 2D circle and 3D sphere attenuation textures
+#define ATTEN1DSIZE 32
+#define ATTEN2DSIZE 64
+#define ATTEN3DSIZE 32
+
+static float r_shadow_attendividebias; // r_shadow_lightattenuationdividebias
+static float r_shadow_attenlinearscale; // r_shadow_lightattenuationlinearscale
+static float r_shadow_attentable[ATTENTABLESIZE+1];
+
+rtlight_t *r_shadow_compilingrtlight;
+static memexpandablearray_t r_shadow_worldlightsarray;
+dlight_t *r_shadow_selectedlight;
+dlight_t r_shadow_bufferlight;
+vec3_t r_editlights_cursorlocation;
+qboolean r_editlights_lockcursor;
+
+extern int con_vislines;
+
+void R_Shadow_UncompileWorldLights(void);
+void R_Shadow_ClearWorldLights(void);
+void R_Shadow_SaveWorldLights(void);
+void R_Shadow_LoadWorldLights(void);
+void R_Shadow_LoadLightsFile(void);
+void R_Shadow_LoadWorldLightsFromMap_LightArghliteTyrlite(void);
+void R_Shadow_EditLights_Reload_f(void);
+void R_Shadow_ValidateCvars(void);
+static void R_Shadow_MakeTextures(void);
+
+#define EDLIGHTSPRSIZE 8
+skinframe_t *r_editlights_sprcursor;
+skinframe_t *r_editlights_sprlight;
+skinframe_t *r_editlights_sprnoshadowlight;
+skinframe_t *r_editlights_sprcubemaplight;
+skinframe_t *r_editlights_sprcubemapnoshadowlight;
+skinframe_t *r_editlights_sprselection;
+
+void R_Shadow_SetShadowMode(void)
+{
+ r_shadow_shadowmapmaxsize = bound(1, r_shadow_shadowmapping_maxsize.integer, (int)vid.maxtexturesize_2d / 4);
+ r_shadow_shadowmapvsdct = r_shadow_shadowmapping_vsdct.integer != 0 && vid.renderpath == RENDERPATH_GL20;
+ r_shadow_shadowmapfilterquality = r_shadow_shadowmapping_filterquality.integer;
+ r_shadow_shadowmapdepthbits = r_shadow_shadowmapping_depthbits.integer;
+ r_shadow_shadowmapborder = bound(0, r_shadow_shadowmapping_bordersize.integer, 16);
+ r_shadow_shadowmaplod = -1;
+ r_shadow_shadowmapsize = 0;
+ r_shadow_shadowmapsampler = false;
+ r_shadow_shadowmappcf = 0;
+ r_shadow_shadowmode = R_SHADOW_SHADOWMODE_STENCIL;
+ if ((r_shadow_shadowmapping.integer || r_shadow_deferred.integer) && vid.support.ext_framebuffer_object)
+ {
+ switch(vid.renderpath)
+ {
+ case RENDERPATH_GL20:
+ if(r_shadow_shadowmapfilterquality < 0)
+ {
+ if(vid.support.amd_texture_texture4 || vid.support.arb_texture_gather)
+ r_shadow_shadowmappcf = 1;
+ else if(strstr(gl_vendor, "NVIDIA") || strstr(gl_renderer, "Radeon HD"))
+ {
+ r_shadow_shadowmapsampler = vid.support.arb_shadow;
+ r_shadow_shadowmappcf = 1;
+ }
+ else if(strstr(gl_vendor, "ATI"))
+ r_shadow_shadowmappcf = 1;
+ else
+ r_shadow_shadowmapsampler = vid.support.arb_shadow;
+ }
+ else
+ {
+ switch (r_shadow_shadowmapfilterquality)
+ {
+ case 1:
+ r_shadow_shadowmapsampler = vid.support.arb_shadow;
+ break;
+ case 2:
+ r_shadow_shadowmapsampler = vid.support.arb_shadow;
+ r_shadow_shadowmappcf = 1;
+ break;
+ case 3:
+ r_shadow_shadowmappcf = 1;
+ break;
+ case 4:
+ r_shadow_shadowmappcf = 2;
+ break;
+ }
+ }
+ r_shadow_shadowmode = R_SHADOW_SHADOWMODE_SHADOWMAP2D;
+ break;
+ case RENDERPATH_D3D9:
+ case RENDERPATH_D3D10:
+ case RENDERPATH_D3D11:
+ case RENDERPATH_SOFT:
+ r_shadow_shadowmapsampler = false;
+ r_shadow_shadowmappcf = 1;
+ r_shadow_shadowmode = R_SHADOW_SHADOWMODE_SHADOWMAP2D;
+ break;
+ case RENDERPATH_GL11:
+ case RENDERPATH_GL13:
+ case RENDERPATH_GLES1:
+ case RENDERPATH_GLES2:
+ break;
+ }
+ }
+}
+
+qboolean R_Shadow_ShadowMappingEnabled(void)
+{
+ switch (r_shadow_shadowmode)
+ {
+ case R_SHADOW_SHADOWMODE_SHADOWMAP2D:
+ return true;
+ default:
+ return false;
+ }
+}
+
+void R_Shadow_FreeShadowMaps(void)
+{
+ R_Shadow_SetShadowMode();
+
+ R_Mesh_DestroyFramebufferObject(r_shadow_fbo2d);
+
+ r_shadow_fbo2d = 0;
+
+ if (r_shadow_shadowmap2dtexture)
+ R_FreeTexture(r_shadow_shadowmap2dtexture);
+ r_shadow_shadowmap2dtexture = NULL;
+
+ if (r_shadow_shadowmap2dcolortexture)
+ R_FreeTexture(r_shadow_shadowmap2dcolortexture);
+ r_shadow_shadowmap2dcolortexture = NULL;
+
+ if (r_shadow_shadowmapvsdcttexture)
+ R_FreeTexture(r_shadow_shadowmapvsdcttexture);
+ r_shadow_shadowmapvsdcttexture = NULL;
+}
+
+void r_shadow_start(void)
+{
+ // allocate vertex processing arrays
+ r_shadow_bouncegridpixels = NULL;
+ r_shadow_bouncegridhighpixels = NULL;
+ r_shadow_bouncegridnumpixels = 0;
+ r_shadow_bouncegridtexture = NULL;
+ r_shadow_bouncegriddirectional = false;
+ r_shadow_attenuationgradienttexture = NULL;
+ r_shadow_attenuation2dtexture = NULL;
+ r_shadow_attenuation3dtexture = NULL;
+ r_shadow_shadowmode = R_SHADOW_SHADOWMODE_STENCIL;
+ r_shadow_shadowmap2dtexture = NULL;
+ r_shadow_shadowmap2dcolortexture = NULL;
+ r_shadow_shadowmapvsdcttexture = NULL;
+ r_shadow_shadowmapmaxsize = 0;
+ r_shadow_shadowmapsize = 0;
+ r_shadow_shadowmaplod = 0;
+ r_shadow_shadowmapfilterquality = -1;
+ r_shadow_shadowmapdepthbits = 0;
+ r_shadow_shadowmapvsdct = false;
+ r_shadow_shadowmapsampler = false;
+ r_shadow_shadowmappcf = 0;
+ r_shadow_fbo2d = 0;
+
+ R_Shadow_FreeShadowMaps();
+
+ r_shadow_texturepool = NULL;
+ r_shadow_filters_texturepool = NULL;
+ R_Shadow_ValidateCvars();
+ R_Shadow_MakeTextures();
+ maxshadowtriangles = 0;
+ shadowelements = NULL;
+ maxshadowvertices = 0;
+ shadowvertex3f = NULL;
+ maxvertexupdate = 0;
+ vertexupdate = NULL;
+ vertexremap = NULL;
+ vertexupdatenum = 0;
+ maxshadowmark = 0;
+ numshadowmark = 0;
+ shadowmark = NULL;
+ shadowmarklist = NULL;
+ shadowmarkcount = 0;
+ maxshadowsides = 0;
+ numshadowsides = 0;
+ shadowsides = NULL;
+ shadowsideslist = NULL;
+ r_shadow_buffer_numleafpvsbytes = 0;
+ r_shadow_buffer_visitingleafpvs = NULL;
+ r_shadow_buffer_leafpvs = NULL;
+ r_shadow_buffer_leaflist = NULL;
+ r_shadow_buffer_numsurfacepvsbytes = 0;
+ r_shadow_buffer_surfacepvs = NULL;
+ r_shadow_buffer_surfacelist = NULL;
+ r_shadow_buffer_surfacesides = NULL;
+ r_shadow_buffer_numshadowtrispvsbytes = 0;
+ r_shadow_buffer_shadowtrispvs = NULL;
+ r_shadow_buffer_numlighttrispvsbytes = 0;
+ r_shadow_buffer_lighttrispvs = NULL;
+
+ r_shadow_usingdeferredprepass = false;
+ r_shadow_prepass_width = r_shadow_prepass_height = 0;
+}
+
+static void R_Shadow_FreeDeferred(void);
+void r_shadow_shutdown(void)
+{
+ CHECKGLERROR
+ R_Shadow_UncompileWorldLights();
+
+ R_Shadow_FreeShadowMaps();
+
+ r_shadow_usingdeferredprepass = false;
+ if (r_shadow_prepass_width)
+ R_Shadow_FreeDeferred();
+ r_shadow_prepass_width = r_shadow_prepass_height = 0;
+
+ CHECKGLERROR
+ r_shadow_bouncegridtexture = NULL;
+ r_shadow_bouncegridpixels = NULL;
+ r_shadow_bouncegridhighpixels = NULL;
+ r_shadow_bouncegridnumpixels = 0;
+ r_shadow_bouncegriddirectional = false;
+ r_shadow_attenuationgradienttexture = NULL;
+ r_shadow_attenuation2dtexture = NULL;
+ r_shadow_attenuation3dtexture = NULL;
+ R_FreeTexturePool(&r_shadow_texturepool);
+ R_FreeTexturePool(&r_shadow_filters_texturepool);
+ maxshadowtriangles = 0;
+ if (shadowelements)
+ Mem_Free(shadowelements);
+ shadowelements = NULL;
+ if (shadowvertex3f)
+ Mem_Free(shadowvertex3f);
+ shadowvertex3f = NULL;
+ maxvertexupdate = 0;
+ if (vertexupdate)
+ Mem_Free(vertexupdate);
+ vertexupdate = NULL;
+ if (vertexremap)
+ Mem_Free(vertexremap);
+ vertexremap = NULL;
+ vertexupdatenum = 0;
+ maxshadowmark = 0;
+ numshadowmark = 0;
+ if (shadowmark)
+ Mem_Free(shadowmark);
+ shadowmark = NULL;
+ if (shadowmarklist)
+ Mem_Free(shadowmarklist);
+ shadowmarklist = NULL;
+ shadowmarkcount = 0;
+ maxshadowsides = 0;
+ numshadowsides = 0;
+ if (shadowsides)
+ Mem_Free(shadowsides);
+ shadowsides = NULL;
+ if (shadowsideslist)
+ Mem_Free(shadowsideslist);
+ shadowsideslist = NULL;
+ r_shadow_buffer_numleafpvsbytes = 0;
+ if (r_shadow_buffer_visitingleafpvs)
+ Mem_Free(r_shadow_buffer_visitingleafpvs);
+ r_shadow_buffer_visitingleafpvs = NULL;
+ if (r_shadow_buffer_leafpvs)
+ Mem_Free(r_shadow_buffer_leafpvs);
+ r_shadow_buffer_leafpvs = NULL;
+ if (r_shadow_buffer_leaflist)
+ Mem_Free(r_shadow_buffer_leaflist);
+ r_shadow_buffer_leaflist = NULL;
+ r_shadow_buffer_numsurfacepvsbytes = 0;
+ if (r_shadow_buffer_surfacepvs)
+ Mem_Free(r_shadow_buffer_surfacepvs);
+ r_shadow_buffer_surfacepvs = NULL;
+ if (r_shadow_buffer_surfacelist)
+ Mem_Free(r_shadow_buffer_surfacelist);
+ r_shadow_buffer_surfacelist = NULL;
+ if (r_shadow_buffer_surfacesides)
+ Mem_Free(r_shadow_buffer_surfacesides);
+ r_shadow_buffer_surfacesides = NULL;
+ r_shadow_buffer_numshadowtrispvsbytes = 0;
+ if (r_shadow_buffer_shadowtrispvs)
+ Mem_Free(r_shadow_buffer_shadowtrispvs);
+ r_shadow_buffer_numlighttrispvsbytes = 0;
+ if (r_shadow_buffer_lighttrispvs)
+ Mem_Free(r_shadow_buffer_lighttrispvs);
+}
+
+void r_shadow_newmap(void)
+{
+ if (r_shadow_bouncegridtexture) R_FreeTexture(r_shadow_bouncegridtexture);r_shadow_bouncegridtexture = NULL;
+ if (r_shadow_lightcorona) R_SkinFrame_MarkUsed(r_shadow_lightcorona);
+ if (r_editlights_sprcursor) R_SkinFrame_MarkUsed(r_editlights_sprcursor);
+ if (r_editlights_sprlight) R_SkinFrame_MarkUsed(r_editlights_sprlight);
+ if (r_editlights_sprnoshadowlight) R_SkinFrame_MarkUsed(r_editlights_sprnoshadowlight);
+ if (r_editlights_sprcubemaplight) R_SkinFrame_MarkUsed(r_editlights_sprcubemaplight);
+ if (r_editlights_sprcubemapnoshadowlight) R_SkinFrame_MarkUsed(r_editlights_sprcubemapnoshadowlight);
+ if (r_editlights_sprselection) R_SkinFrame_MarkUsed(r_editlights_sprselection);
+ if (strncmp(cl.worldname, r_shadow_mapname, sizeof(r_shadow_mapname)))
+ R_Shadow_EditLights_Reload_f();
+}
+
+void R_Shadow_Init(void)
+{
+ Cvar_RegisterVariable(&r_shadow_bumpscale_basetexture);
+ Cvar_RegisterVariable(&r_shadow_bumpscale_bumpmap);
+ Cvar_RegisterVariable(&r_shadow_usebihculling);
+ Cvar_RegisterVariable(&r_shadow_usenormalmap);
+ Cvar_RegisterVariable(&r_shadow_debuglight);
+ Cvar_RegisterVariable(&r_shadow_deferred);
+ Cvar_RegisterVariable(&r_shadow_deferred_8bitrange);
+// Cvar_RegisterVariable(&r_shadow_deferred_fp);
+ Cvar_RegisterVariable(&r_shadow_gloss);
+ Cvar_RegisterVariable(&r_shadow_gloss2intensity);
+ Cvar_RegisterVariable(&r_shadow_glossintensity);
+ Cvar_RegisterVariable(&r_shadow_glossexponent);
+ Cvar_RegisterVariable(&r_shadow_gloss2exponent);
+ Cvar_RegisterVariable(&r_shadow_glossexact);
+ Cvar_RegisterVariable(&r_shadow_lightattenuationdividebias);
+ Cvar_RegisterVariable(&r_shadow_lightattenuationlinearscale);
+ Cvar_RegisterVariable(&r_shadow_lightintensityscale);
+ Cvar_RegisterVariable(&r_shadow_lightradiusscale);
+ Cvar_RegisterVariable(&r_shadow_projectdistance);
+ Cvar_RegisterVariable(&r_shadow_frontsidecasting);
+ Cvar_RegisterVariable(&r_shadow_realtime_dlight);
+ Cvar_RegisterVariable(&r_shadow_realtime_dlight_shadows);
+ Cvar_RegisterVariable(&r_shadow_realtime_dlight_svbspculling);
+ Cvar_RegisterVariable(&r_shadow_realtime_dlight_portalculling);
+ Cvar_RegisterVariable(&r_shadow_realtime_world);
+ Cvar_RegisterVariable(&r_shadow_realtime_world_lightmaps);
+ Cvar_RegisterVariable(&r_shadow_realtime_world_shadows);
+ Cvar_RegisterVariable(&r_shadow_realtime_world_compile);
+ Cvar_RegisterVariable(&r_shadow_realtime_world_compileshadow);
+ Cvar_RegisterVariable(&r_shadow_realtime_world_compilesvbsp);
+ Cvar_RegisterVariable(&r_shadow_realtime_world_compileportalculling);
+ Cvar_RegisterVariable(&r_shadow_scissor);
+ Cvar_RegisterVariable(&r_shadow_shadowmapping);
+ Cvar_RegisterVariable(&r_shadow_shadowmapping_vsdct);
+ Cvar_RegisterVariable(&r_shadow_shadowmapping_filterquality);
+ Cvar_RegisterVariable(&r_shadow_shadowmapping_depthbits);
+ Cvar_RegisterVariable(&r_shadow_shadowmapping_precision);
+ Cvar_RegisterVariable(&r_shadow_shadowmapping_maxsize);
+ Cvar_RegisterVariable(&r_shadow_shadowmapping_minsize);
+// Cvar_RegisterVariable(&r_shadow_shadowmapping_lod_bias);
+// Cvar_RegisterVariable(&r_shadow_shadowmapping_lod_scale);
+ Cvar_RegisterVariable(&r_shadow_shadowmapping_bordersize);
+ Cvar_RegisterVariable(&r_shadow_shadowmapping_nearclip);
+ Cvar_RegisterVariable(&r_shadow_shadowmapping_bias);
+ Cvar_RegisterVariable(&r_shadow_shadowmapping_polygonfactor);
+ Cvar_RegisterVariable(&r_shadow_shadowmapping_polygonoffset);
+ Cvar_RegisterVariable(&r_shadow_sortsurfaces);
+ Cvar_RegisterVariable(&r_shadow_polygonfactor);
+ Cvar_RegisterVariable(&r_shadow_polygonoffset);
+ Cvar_RegisterVariable(&r_shadow_texture3d);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_bounceanglediffuse);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_directionalshading);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_dlightparticlemultiplier);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_hitmodels);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_includedirectlighting);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_intensity);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_lightradiusscale);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_maxbounce);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_particlebounceintensity);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_particleintensity);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_photons);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_spacing);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_stablerandom);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_static);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_static_directionalshading);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_static_lightradiusscale);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_static_maxbounce);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_static_photons);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_updateinterval);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_x);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_y);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_z);
+ Cvar_RegisterVariable(&r_coronas);
+ Cvar_RegisterVariable(&r_coronas_occlusionsizescale);
+ Cvar_RegisterVariable(&r_coronas_occlusionquery);
+ Cvar_RegisterVariable(&gl_flashblend);
+ Cvar_RegisterVariable(&gl_ext_separatestencil);
+ Cvar_RegisterVariable(&gl_ext_stenciltwoside);
+ R_Shadow_EditLights_Init();
+ Mem_ExpandableArray_NewArray(&r_shadow_worldlightsarray, r_main_mempool, sizeof(dlight_t), 128);
+ maxshadowtriangles = 0;
+ shadowelements = NULL;
+ maxshadowvertices = 0;
+ shadowvertex3f = NULL;
+ maxvertexupdate = 0;
+ vertexupdate = NULL;
+ vertexremap = NULL;
+ vertexupdatenum = 0;
+ maxshadowmark = 0;
+ numshadowmark = 0;
+ shadowmark = NULL;
+ shadowmarklist = NULL;
+ shadowmarkcount = 0;
+ maxshadowsides = 0;
+ numshadowsides = 0;
+ shadowsides = NULL;
+ shadowsideslist = NULL;
+ r_shadow_buffer_numleafpvsbytes = 0;
+ r_shadow_buffer_visitingleafpvs = NULL;
+ r_shadow_buffer_leafpvs = NULL;
+ r_shadow_buffer_leaflist = NULL;
+ r_shadow_buffer_numsurfacepvsbytes = 0;
+ r_shadow_buffer_surfacepvs = NULL;
+ r_shadow_buffer_surfacelist = NULL;
+ r_shadow_buffer_surfacesides = NULL;
+ r_shadow_buffer_shadowtrispvs = NULL;
+ r_shadow_buffer_lighttrispvs = NULL;
+ R_RegisterModule("R_Shadow", r_shadow_start, r_shadow_shutdown, r_shadow_newmap, NULL, NULL);
+}
+
+matrix4x4_t matrix_attenuationxyz =
+{
+ {
+ {0.5, 0.0, 0.0, 0.5},
+ {0.0, 0.5, 0.0, 0.5},
+ {0.0, 0.0, 0.5, 0.5},
+ {0.0, 0.0, 0.0, 1.0}
+ }
+};
+
+matrix4x4_t matrix_attenuationz =
+{
+ {
+ {0.0, 0.0, 0.5, 0.5},
+ {0.0, 0.0, 0.0, 0.5},
+ {0.0, 0.0, 0.0, 0.5},
+ {0.0, 0.0, 0.0, 1.0}
+ }
+};
+
+void R_Shadow_ResizeShadowArrays(int numvertices, int numtriangles, int vertscale, int triscale)
+{
+ numvertices = ((numvertices + 255) & ~255) * vertscale;
+ numtriangles = ((numtriangles + 255) & ~255) * triscale;
+ // make sure shadowelements is big enough for this volume
+ if (maxshadowtriangles < numtriangles)
+ {
+ maxshadowtriangles = numtriangles;
+ if (shadowelements)
+ Mem_Free(shadowelements);
+ shadowelements = (int *)Mem_Alloc(r_main_mempool, maxshadowtriangles * sizeof(int[3]));
+ }
+ // make sure shadowvertex3f is big enough for this volume
+ if (maxshadowvertices < numvertices)
+ {
+ maxshadowvertices = numvertices;
+ if (shadowvertex3f)
+ Mem_Free(shadowvertex3f);
+ shadowvertex3f = (float *)Mem_Alloc(r_main_mempool, maxshadowvertices * sizeof(float[3]));
+ }
+}
+
+static void R_Shadow_EnlargeLeafSurfaceTrisBuffer(int numleafs, int numsurfaces, int numshadowtriangles, int numlighttriangles)
+{
+ int numleafpvsbytes = (((numleafs + 7) >> 3) + 255) & ~255;
+ int numsurfacepvsbytes = (((numsurfaces + 7) >> 3) + 255) & ~255;
+ int numshadowtrispvsbytes = (((numshadowtriangles + 7) >> 3) + 255) & ~255;
+ int numlighttrispvsbytes = (((numlighttriangles + 7) >> 3) + 255) & ~255;
+ if (r_shadow_buffer_numleafpvsbytes < numleafpvsbytes)
+ {
+ if (r_shadow_buffer_visitingleafpvs)
+ Mem_Free(r_shadow_buffer_visitingleafpvs);
+ if (r_shadow_buffer_leafpvs)
+ Mem_Free(r_shadow_buffer_leafpvs);
+ if (r_shadow_buffer_leaflist)
+ Mem_Free(r_shadow_buffer_leaflist);
+ r_shadow_buffer_numleafpvsbytes = numleafpvsbytes;
+ r_shadow_buffer_visitingleafpvs = (unsigned char *)Mem_Alloc(r_main_mempool, r_shadow_buffer_numleafpvsbytes);
+ r_shadow_buffer_leafpvs = (unsigned char *)Mem_Alloc(r_main_mempool, r_shadow_buffer_numleafpvsbytes);
+ r_shadow_buffer_leaflist = (int *)Mem_Alloc(r_main_mempool, r_shadow_buffer_numleafpvsbytes * 8 * sizeof(*r_shadow_buffer_leaflist));
+ }
+ if (r_shadow_buffer_numsurfacepvsbytes < numsurfacepvsbytes)
+ {
+ if (r_shadow_buffer_surfacepvs)
+ Mem_Free(r_shadow_buffer_surfacepvs);
+ if (r_shadow_buffer_surfacelist)
+ Mem_Free(r_shadow_buffer_surfacelist);
+ if (r_shadow_buffer_surfacesides)
+ Mem_Free(r_shadow_buffer_surfacesides);
+ r_shadow_buffer_numsurfacepvsbytes = numsurfacepvsbytes;
+ r_shadow_buffer_surfacepvs = (unsigned char *)Mem_Alloc(r_main_mempool, r_shadow_buffer_numsurfacepvsbytes);
+ r_shadow_buffer_surfacelist = (int *)Mem_Alloc(r_main_mempool, r_shadow_buffer_numsurfacepvsbytes * 8 * sizeof(*r_shadow_buffer_surfacelist));
+ r_shadow_buffer_surfacesides = (unsigned char *)Mem_Alloc(r_main_mempool, r_shadow_buffer_numsurfacepvsbytes * 8 * sizeof(*r_shadow_buffer_surfacelist));
+ }
+ if (r_shadow_buffer_numshadowtrispvsbytes < numshadowtrispvsbytes)
+ {
+ if (r_shadow_buffer_shadowtrispvs)
+ Mem_Free(r_shadow_buffer_shadowtrispvs);
+ r_shadow_buffer_numshadowtrispvsbytes = numshadowtrispvsbytes;
+ r_shadow_buffer_shadowtrispvs = (unsigned char *)Mem_Alloc(r_main_mempool, r_shadow_buffer_numshadowtrispvsbytes);
+ }
+ if (r_shadow_buffer_numlighttrispvsbytes < numlighttrispvsbytes)
+ {
+ if (r_shadow_buffer_lighttrispvs)
+ Mem_Free(r_shadow_buffer_lighttrispvs);
+ r_shadow_buffer_numlighttrispvsbytes = numlighttrispvsbytes;
+ r_shadow_buffer_lighttrispvs = (unsigned char *)Mem_Alloc(r_main_mempool, r_shadow_buffer_numlighttrispvsbytes);
+ }
+}
+
+void R_Shadow_PrepareShadowMark(int numtris)
+{
+ // make sure shadowmark is big enough for this volume
+ if (maxshadowmark < numtris)
+ {
+ maxshadowmark = numtris;
+ if (shadowmark)
+ Mem_Free(shadowmark);
+ if (shadowmarklist)
+ Mem_Free(shadowmarklist);
+ shadowmark = (int *)Mem_Alloc(r_main_mempool, maxshadowmark * sizeof(*shadowmark));
+ shadowmarklist = (int *)Mem_Alloc(r_main_mempool, maxshadowmark * sizeof(*shadowmarklist));
+ shadowmarkcount = 0;
+ }
+ shadowmarkcount++;
+ // if shadowmarkcount wrapped we clear the array and adjust accordingly
+ if (shadowmarkcount == 0)
+ {
+ shadowmarkcount = 1;
+ memset(shadowmark, 0, maxshadowmark * sizeof(*shadowmark));
+ }
+ numshadowmark = 0;
+}
+
+void R_Shadow_PrepareShadowSides(int numtris)
+{
+ if (maxshadowsides < numtris)
+ {
+ maxshadowsides = numtris;
+ if (shadowsides)
+ Mem_Free(shadowsides);
+ if (shadowsideslist)
+ Mem_Free(shadowsideslist);
+ shadowsides = (unsigned char *)Mem_Alloc(r_main_mempool, maxshadowsides * sizeof(*shadowsides));
+ shadowsideslist = (int *)Mem_Alloc(r_main_mempool, maxshadowsides * sizeof(*shadowsideslist));
+ }
+ numshadowsides = 0;
+}
+
+static int R_Shadow_ConstructShadowVolume_ZFail(int innumvertices, int innumtris, const int *inelement3i, const int *inneighbor3i, const float *invertex3f, int *outnumvertices, int *outelement3i, float *outvertex3f, const float *projectorigin, const float *projectdirection, float projectdistance, int numshadowmarktris, const int *shadowmarktris)
+{
+ int i, j;
+ int outtriangles = 0, outvertices = 0;
+ const int *element;
+ const float *vertex;
+ float ratio, direction[3], projectvector[3];
+
+ if (projectdirection)
+ VectorScale(projectdirection, projectdistance, projectvector);
+ else
+ VectorClear(projectvector);
+
+ // create the vertices
+ if (projectdirection)
+ {
+ for (i = 0;i < numshadowmarktris;i++)
+ {
+ element = inelement3i + shadowmarktris[i] * 3;
+ for (j = 0;j < 3;j++)
+ {
+ if (vertexupdate[element[j]] != vertexupdatenum)
+ {
+ vertexupdate[element[j]] = vertexupdatenum;
+ vertexremap[element[j]] = outvertices;
+ vertex = invertex3f + element[j] * 3;
+ // project one copy of the vertex according to projectvector
+ VectorCopy(vertex, outvertex3f);
+ VectorAdd(vertex, projectvector, (outvertex3f + 3));
+ outvertex3f += 6;
+ outvertices += 2;
+ }
+ }
+ }
+ }
+ else
+ {
+ for (i = 0;i < numshadowmarktris;i++)
+ {
+ element = inelement3i + shadowmarktris[i] * 3;
+ for (j = 0;j < 3;j++)
+ {
+ if (vertexupdate[element[j]] != vertexupdatenum)
+ {
+ vertexupdate[element[j]] = vertexupdatenum;
+ vertexremap[element[j]] = outvertices;
+ vertex = invertex3f + element[j] * 3;
+ // project one copy of the vertex to the sphere radius of the light
+ // (FIXME: would projecting it to the light box be better?)
+ VectorSubtract(vertex, projectorigin, direction);
+ ratio = projectdistance / VectorLength(direction);
+ VectorCopy(vertex, outvertex3f);
+ VectorMA(projectorigin, ratio, direction, (outvertex3f + 3));
+ outvertex3f += 6;
+ outvertices += 2;
+ }
+ }
+ }
+ }
+
+ if (r_shadow_frontsidecasting.integer)
+ {
+ for (i = 0;i < numshadowmarktris;i++)
+ {
+ int remappedelement[3];
+ int markindex;
+ const int *neighbortriangle;
+
+ markindex = shadowmarktris[i] * 3;
+ element = inelement3i + markindex;
+ neighbortriangle = inneighbor3i + markindex;
+ // output the front and back triangles
+ outelement3i[0] = vertexremap[element[0]];
+ outelement3i[1] = vertexremap[element[1]];
+ outelement3i[2] = vertexremap[element[2]];
+ outelement3i[3] = vertexremap[element[2]] + 1;
+ outelement3i[4] = vertexremap[element[1]] + 1;
+ outelement3i[5] = vertexremap[element[0]] + 1;
+
+ outelement3i += 6;
+ outtriangles += 2;
+ // output the sides (facing outward from this triangle)
+ if (shadowmark[neighbortriangle[0]] != shadowmarkcount)
+ {
+ remappedelement[0] = vertexremap[element[0]];
+ remappedelement[1] = vertexremap[element[1]];
+ outelement3i[0] = remappedelement[1];
+ outelement3i[1] = remappedelement[0];
+ outelement3i[2] = remappedelement[0] + 1;
+ outelement3i[3] = remappedelement[1];
+ outelement3i[4] = remappedelement[0] + 1;
+ outelement3i[5] = remappedelement[1] + 1;
+
+ outelement3i += 6;
+ outtriangles += 2;
+ }
+ if (shadowmark[neighbortriangle[1]] != shadowmarkcount)
+ {
+ remappedelement[1] = vertexremap[element[1]];
+ remappedelement[2] = vertexremap[element[2]];
+ outelement3i[0] = remappedelement[2];
+ outelement3i[1] = remappedelement[1];
+ outelement3i[2] = remappedelement[1] + 1;
+ outelement3i[3] = remappedelement[2];
+ outelement3i[4] = remappedelement[1] + 1;
+ outelement3i[5] = remappedelement[2] + 1;
+
+ outelement3i += 6;
+ outtriangles += 2;
+ }
+ if (shadowmark[neighbortriangle[2]] != shadowmarkcount)
+ {
+ remappedelement[0] = vertexremap[element[0]];
+ remappedelement[2] = vertexremap[element[2]];
+ outelement3i[0] = remappedelement[0];
+ outelement3i[1] = remappedelement[2];
+ outelement3i[2] = remappedelement[2] + 1;
+ outelement3i[3] = remappedelement[0];
+ outelement3i[4] = remappedelement[2] + 1;
+ outelement3i[5] = remappedelement[0] + 1;
+
+ outelement3i += 6;
+ outtriangles += 2;
+ }
+ }
+ }
+ else
+ {
+ for (i = 0;i < numshadowmarktris;i++)
+ {
+ int remappedelement[3];
+ int markindex;
+ const int *neighbortriangle;
+
+ markindex = shadowmarktris[i] * 3;
+ element = inelement3i + markindex;
+ neighbortriangle = inneighbor3i + markindex;
+ // output the front and back triangles
+ outelement3i[0] = vertexremap[element[2]];
+ outelement3i[1] = vertexremap[element[1]];
+ outelement3i[2] = vertexremap[element[0]];
+ outelement3i[3] = vertexremap[element[0]] + 1;
+ outelement3i[4] = vertexremap[element[1]] + 1;
+ outelement3i[5] = vertexremap[element[2]] + 1;
+
+ outelement3i += 6;
+ outtriangles += 2;
+ // output the sides (facing outward from this triangle)
+ if (shadowmark[neighbortriangle[0]] != shadowmarkcount)
+ {
+ remappedelement[0] = vertexremap[element[0]];
+ remappedelement[1] = vertexremap[element[1]];
+ outelement3i[0] = remappedelement[0];
+ outelement3i[1] = remappedelement[1];
+ outelement3i[2] = remappedelement[1] + 1;
+ outelement3i[3] = remappedelement[0];
+ outelement3i[4] = remappedelement[1] + 1;
+ outelement3i[5] = remappedelement[0] + 1;
+
+ outelement3i += 6;
+ outtriangles += 2;
+ }
+ if (shadowmark[neighbortriangle[1]] != shadowmarkcount)
+ {
+ remappedelement[1] = vertexremap[element[1]];
+ remappedelement[2] = vertexremap[element[2]];
+ outelement3i[0] = remappedelement[1];
+ outelement3i[1] = remappedelement[2];
+ outelement3i[2] = remappedelement[2] + 1;
+ outelement3i[3] = remappedelement[1];
+ outelement3i[4] = remappedelement[2] + 1;
+ outelement3i[5] = remappedelement[1] + 1;
+
+ outelement3i += 6;
+ outtriangles += 2;
+ }
+ if (shadowmark[neighbortriangle[2]] != shadowmarkcount)
+ {
+ remappedelement[0] = vertexremap[element[0]];
+ remappedelement[2] = vertexremap[element[2]];
+ outelement3i[0] = remappedelement[2];
+ outelement3i[1] = remappedelement[0];
+ outelement3i[2] = remappedelement[0] + 1;
+ outelement3i[3] = remappedelement[2];
+ outelement3i[4] = remappedelement[0] + 1;
+ outelement3i[5] = remappedelement[2] + 1;
+
+ outelement3i += 6;
+ outtriangles += 2;
+ }
+ }
+ }
+ if (outnumvertices)
+ *outnumvertices = outvertices;
+ return outtriangles;
+}
+
+static int R_Shadow_ConstructShadowVolume_ZPass(int innumvertices, int innumtris, const int *inelement3i, const int *inneighbor3i, const float *invertex3f, int *outnumvertices, int *outelement3i, float *outvertex3f, const float *projectorigin, const float *projectdirection, float projectdistance, int numshadowmarktris, const int *shadowmarktris)
+{
+ int i, j, k;
+ int outtriangles = 0, outvertices = 0;
+ const int *element;
+ const float *vertex;
+ float ratio, direction[3], projectvector[3];
+ qboolean side[4];
+
+ if (projectdirection)
+ VectorScale(projectdirection, projectdistance, projectvector);
+ else
+ VectorClear(projectvector);
+
+ for (i = 0;i < numshadowmarktris;i++)
+ {
+ int remappedelement[3];
+ int markindex;
+ const int *neighbortriangle;
+
+ markindex = shadowmarktris[i] * 3;
+ neighbortriangle = inneighbor3i + markindex;
+ side[0] = shadowmark[neighbortriangle[0]] == shadowmarkcount;
+ side[1] = shadowmark[neighbortriangle[1]] == shadowmarkcount;
+ side[2] = shadowmark[neighbortriangle[2]] == shadowmarkcount;
+ if (side[0] + side[1] + side[2] == 0)
+ continue;
+
+ side[3] = side[0];
+ element = inelement3i + markindex;
+
+ // create the vertices
+ for (j = 0;j < 3;j++)
+ {
+ if (side[j] + side[j+1] == 0)
+ continue;
+ k = element[j];
+ if (vertexupdate[k] != vertexupdatenum)
+ {
+ vertexupdate[k] = vertexupdatenum;
+ vertexremap[k] = outvertices;
+ vertex = invertex3f + k * 3;
+ VectorCopy(vertex, outvertex3f);
+ if (projectdirection)
+ {
+ // project one copy of the vertex according to projectvector
+ VectorAdd(vertex, projectvector, (outvertex3f + 3));
+ }
+ else
+ {
+ // project one copy of the vertex to the sphere radius of the light
+ // (FIXME: would projecting it to the light box be better?)
+ VectorSubtract(vertex, projectorigin, direction);
+ ratio = projectdistance / VectorLength(direction);
+ VectorMA(projectorigin, ratio, direction, (outvertex3f + 3));
+ }
+ outvertex3f += 6;
+ outvertices += 2;
+ }
+ }
+
+ // output the sides (facing outward from this triangle)
+ if (!side[0])
+ {
+ remappedelement[0] = vertexremap[element[0]];
+ remappedelement[1] = vertexremap[element[1]];
+ outelement3i[0] = remappedelement[1];
+ outelement3i[1] = remappedelement[0];
+ outelement3i[2] = remappedelement[0] + 1;
+ outelement3i[3] = remappedelement[1];
+ outelement3i[4] = remappedelement[0] + 1;
+ outelement3i[5] = remappedelement[1] + 1;
+
+ outelement3i += 6;
+ outtriangles += 2;
+ }
+ if (!side[1])
+ {
+ remappedelement[1] = vertexremap[element[1]];
+ remappedelement[2] = vertexremap[element[2]];
+ outelement3i[0] = remappedelement[2];
+ outelement3i[1] = remappedelement[1];
+ outelement3i[2] = remappedelement[1] + 1;
+ outelement3i[3] = remappedelement[2];
+ outelement3i[4] = remappedelement[1] + 1;
+ outelement3i[5] = remappedelement[2] + 1;
+
+ outelement3i += 6;
+ outtriangles += 2;
+ }
+ if (!side[2])
+ {
+ remappedelement[0] = vertexremap[element[0]];
+ remappedelement[2] = vertexremap[element[2]];
+ outelement3i[0] = remappedelement[0];
+ outelement3i[1] = remappedelement[2];
+ outelement3i[2] = remappedelement[2] + 1;
+ outelement3i[3] = remappedelement[0];
+ outelement3i[4] = remappedelement[2] + 1;
+ outelement3i[5] = remappedelement[0] + 1;
+
+ outelement3i += 6;
+ outtriangles += 2;
+ }
+ }
+ if (outnumvertices)
+ *outnumvertices = outvertices;
+ return outtriangles;
+}
+
+void R_Shadow_MarkVolumeFromBox(int firsttriangle, int numtris, const float *invertex3f, const int *elements, const vec3_t projectorigin, const vec3_t projectdirection, const vec3_t lightmins, const vec3_t lightmaxs, const vec3_t surfacemins, const vec3_t surfacemaxs)
+{
+ int t, tend;
+ const int *e;
+ const float *v[3];
+ float normal[3];
+ if (!BoxesOverlap(lightmins, lightmaxs, surfacemins, surfacemaxs))
+ return;
+ tend = firsttriangle + numtris;
+ if (BoxInsideBox(surfacemins, surfacemaxs, lightmins, lightmaxs))
+ {
+ // surface box entirely inside light box, no box cull
+ if (projectdirection)
+ {
+ for (t = firsttriangle, e = elements + t * 3;t < tend;t++, e += 3)
+ {
+ TriangleNormal(invertex3f + e[0] * 3, invertex3f + e[1] * 3, invertex3f + e[2] * 3, normal);
+ if (r_shadow_frontsidecasting.integer == (DotProduct(normal, projectdirection) < 0))
+ shadowmarklist[numshadowmark++] = t;
+ }
+ }
+ else
+ {
+ for (t = firsttriangle, e = elements + t * 3;t < tend;t++, e += 3)
+ if (r_shadow_frontsidecasting.integer == PointInfrontOfTriangle(projectorigin, invertex3f + e[0] * 3, invertex3f + e[1] * 3, invertex3f + e[2] * 3))
+ shadowmarklist[numshadowmark++] = t;
+ }
+ }
+ else
+ {
+ // surface box not entirely inside light box, cull each triangle
+ if (projectdirection)
+ {
+ for (t = firsttriangle, e = elements + t * 3;t < tend;t++, e += 3)
+ {
+ v[0] = invertex3f + e[0] * 3;
+ v[1] = invertex3f + e[1] * 3;
+ v[2] = invertex3f + e[2] * 3;
+ TriangleNormal(v[0], v[1], v[2], normal);
+ if (r_shadow_frontsidecasting.integer == (DotProduct(normal, projectdirection) < 0)
+ && TriangleOverlapsBox(v[0], v[1], v[2], lightmins, lightmaxs))
+ shadowmarklist[numshadowmark++] = t;
+ }
+ }
+ else
+ {
+ for (t = firsttriangle, e = elements + t * 3;t < tend;t++, e += 3)
+ {
+ v[0] = invertex3f + e[0] * 3;
+ v[1] = invertex3f + e[1] * 3;
+ v[2] = invertex3f + e[2] * 3;
+ if (r_shadow_frontsidecasting.integer == PointInfrontOfTriangle(projectorigin, v[0], v[1], v[2])
+ && TriangleOverlapsBox(v[0], v[1], v[2], lightmins, lightmaxs))
+ shadowmarklist[numshadowmark++] = t;
+ }
+ }
+ }
+}
+
+qboolean R_Shadow_UseZPass(vec3_t mins, vec3_t maxs)
+{
+#if 1
+ return false;
+#else
+ if (r_shadow_compilingrtlight || !r_shadow_frontsidecasting.integer || !r_shadow_usezpassifpossible.integer)
+ return false;
+ // check if the shadow volume intersects the near plane
+ //
+ // a ray between the eye and light origin may intersect the caster,
+ // indicating that the shadow may touch the eye location, however we must
+ // test the near plane (a polygon), not merely the eye location, so it is
+ // easiest to enlarge the caster bounding shape slightly for this.
+ // TODO
+ return true;
+#endif
+}
+
+void R_Shadow_VolumeFromList(int numverts, int numtris, const float *invertex3f, const int *elements, const int *neighbors, const vec3_t projectorigin, const vec3_t projectdirection, float projectdistance, int nummarktris, const int *marktris, vec3_t trismins, vec3_t trismaxs)
+{
+ int i, tris, outverts;
+ if (projectdistance < 0.1)
+ {
+ Con_Printf("R_Shadow_Volume: projectdistance %f\n", projectdistance);
+ return;
+ }
+ if (!numverts || !nummarktris)
+ return;
+ // make sure shadowelements is big enough for this volume
+ if (maxshadowtriangles < nummarktris*8 || maxshadowvertices < numverts*2)
+ R_Shadow_ResizeShadowArrays(numverts, nummarktris, 2, 8);
+
+ if (maxvertexupdate < numverts)
+ {
+ maxvertexupdate = numverts;
+ if (vertexupdate)
+ Mem_Free(vertexupdate);
+ if (vertexremap)
+ Mem_Free(vertexremap);
+ vertexupdate = (int *)Mem_Alloc(r_main_mempool, maxvertexupdate * sizeof(int));
+ vertexremap = (int *)Mem_Alloc(r_main_mempool, maxvertexupdate * sizeof(int));
+ vertexupdatenum = 0;
+ }
+ vertexupdatenum++;
+ if (vertexupdatenum == 0)
+ {
+ vertexupdatenum = 1;
+ memset(vertexupdate, 0, maxvertexupdate * sizeof(int));
+ memset(vertexremap, 0, maxvertexupdate * sizeof(int));
+ }
+
+ for (i = 0;i < nummarktris;i++)
+ shadowmark[marktris[i]] = shadowmarkcount;
+
+ if (r_shadow_compilingrtlight)
+ {
+ // if we're compiling an rtlight, capture the mesh
+ //tris = R_Shadow_ConstructShadowVolume_ZPass(numverts, numtris, elements, neighbors, invertex3f, &outverts, shadowelements, shadowvertex3f, projectorigin, projectdirection, projectdistance, nummarktris, marktris);
+ //Mod_ShadowMesh_AddMesh(r_main_mempool, r_shadow_compilingrtlight->static_meshchain_shadow_zpass, NULL, NULL, NULL, shadowvertex3f, NULL, NULL, NULL, NULL, tris, shadowelements);
+ tris = R_Shadow_ConstructShadowVolume_ZFail(numverts, numtris, elements, neighbors, invertex3f, &outverts, shadowelements, shadowvertex3f, projectorigin, projectdirection, projectdistance, nummarktris, marktris);
+ Mod_ShadowMesh_AddMesh(r_main_mempool, r_shadow_compilingrtlight->static_meshchain_shadow_zfail, NULL, NULL, NULL, shadowvertex3f, NULL, NULL, NULL, NULL, tris, shadowelements);
+ }
+ else if (r_shadow_rendermode == R_SHADOW_RENDERMODE_VISIBLEVOLUMES)
+ {
+ tris = R_Shadow_ConstructShadowVolume_ZFail(numverts, numtris, elements, neighbors, invertex3f, &outverts, shadowelements, shadowvertex3f, projectorigin, projectdirection, projectdistance, nummarktris, marktris);
+ R_Mesh_PrepareVertices_Vertex3f(outverts, shadowvertex3f, NULL);
+ R_Mesh_Draw(0, outverts, 0, tris, shadowelements, NULL, 0, NULL, NULL, 0);
+ }
+ else
+ {
+ // decide which type of shadow to generate and set stencil mode
+ R_Shadow_RenderMode_StencilShadowVolumes(R_Shadow_UseZPass(trismins, trismaxs));
+ // generate the sides or a solid volume, depending on type
+ if (r_shadow_rendermode >= R_SHADOW_RENDERMODE_ZPASS_STENCIL && r_shadow_rendermode <= R_SHADOW_RENDERMODE_ZPASS_STENCILTWOSIDE)
+ tris = R_Shadow_ConstructShadowVolume_ZPass(numverts, numtris, elements, neighbors, invertex3f, &outverts, shadowelements, shadowvertex3f, projectorigin, projectdirection, projectdistance, nummarktris, marktris);
+ else
+ tris = R_Shadow_ConstructShadowVolume_ZFail(numverts, numtris, elements, neighbors, invertex3f, &outverts, shadowelements, shadowvertex3f, projectorigin, projectdirection, projectdistance, nummarktris, marktris);
+ r_refdef.stats.lights_dynamicshadowtriangles += tris;
+ r_refdef.stats.lights_shadowtriangles += tris;
+ if (r_shadow_rendermode == R_SHADOW_RENDERMODE_ZPASS_STENCIL)
+ {
+ // increment stencil if frontface is infront of depthbuffer
+ GL_CullFace(r_refdef.view.cullface_front);
+ R_SetStencil(true, 255, GL_KEEP, GL_KEEP, GL_DECR, GL_ALWAYS, 128, 255);
+ R_Mesh_Draw(0, outverts, 0, tris, shadowelements, NULL, 0, NULL, NULL, 0);
+ // decrement stencil if backface is infront of depthbuffer
+ GL_CullFace(r_refdef.view.cullface_back);
+ R_SetStencil(true, 255, GL_KEEP, GL_KEEP, GL_INCR, GL_ALWAYS, 128, 255);
+ }
+ else if (r_shadow_rendermode == R_SHADOW_RENDERMODE_ZFAIL_STENCIL)
+ {
+ // decrement stencil if backface is behind depthbuffer
+ GL_CullFace(r_refdef.view.cullface_front);
+ R_SetStencil(true, 255, GL_KEEP, GL_DECR, GL_KEEP, GL_ALWAYS, 128, 255);
+ R_Mesh_Draw(0, outverts, 0, tris, shadowelements, NULL, 0, NULL, NULL, 0);
+ // increment stencil if frontface is behind depthbuffer
+ GL_CullFace(r_refdef.view.cullface_back);
+ R_SetStencil(true, 255, GL_KEEP, GL_INCR, GL_KEEP, GL_ALWAYS, 128, 255);
+ }
+ R_Mesh_PrepareVertices_Vertex3f(outverts, shadowvertex3f, NULL);
+ R_Mesh_Draw(0, outverts, 0, tris, shadowelements, NULL, 0, NULL, NULL, 0);
+ }
+}
+
+int R_Shadow_CalcTriangleSideMask(const vec3_t p1, const vec3_t p2, const vec3_t p3, float bias)
+{
+ // p1, p2, p3 are in the cubemap's local coordinate system
+ // bias = border/(size - border)
+ int mask = 0x3F;
+
+ float dp1 = p1[0] + p1[1], dn1 = p1[0] - p1[1], ap1 = fabs(dp1), an1 = fabs(dn1),
+ dp2 = p2[0] + p2[1], dn2 = p2[0] - p2[1], ap2 = fabs(dp2), an2 = fabs(dn2),
+ dp3 = p3[0] + p3[1], dn3 = p3[0] - p3[1], ap3 = fabs(dp3), an3 = fabs(dn3);
+ if(ap1 > bias*an1 && ap2 > bias*an2 && ap3 > bias*an3)
+ mask &= (3<<4)
+ | (dp1 >= 0 ? (1<<0)|(1<<2) : (2<<0)|(2<<2))
+ | (dp2 >= 0 ? (1<<0)|(1<<2) : (2<<0)|(2<<2))
+ | (dp3 >= 0 ? (1<<0)|(1<<2) : (2<<0)|(2<<2));
+ if(an1 > bias*ap1 && an2 > bias*ap2 && an3 > bias*ap3)
+ mask &= (3<<4)
+ | (dn1 >= 0 ? (1<<0)|(2<<2) : (2<<0)|(1<<2))
+ | (dn2 >= 0 ? (1<<0)|(2<<2) : (2<<0)|(1<<2))
+ | (dn3 >= 0 ? (1<<0)|(2<<2) : (2<<0)|(1<<2));
+
+ dp1 = p1[1] + p1[2], dn1 = p1[1] - p1[2], ap1 = fabs(dp1), an1 = fabs(dn1),
+ dp2 = p2[1] + p2[2], dn2 = p2[1] - p2[2], ap2 = fabs(dp2), an2 = fabs(dn2),
+ dp3 = p3[1] + p3[2], dn3 = p3[1] - p3[2], ap3 = fabs(dp3), an3 = fabs(dn3);
+ if(ap1 > bias*an1 && ap2 > bias*an2 && ap3 > bias*an3)
+ mask &= (3<<0)
+ | (dp1 >= 0 ? (1<<2)|(1<<4) : (2<<2)|(2<<4))
+ | (dp2 >= 0 ? (1<<2)|(1<<4) : (2<<2)|(2<<4))
+ | (dp3 >= 0 ? (1<<2)|(1<<4) : (2<<2)|(2<<4));
+ if(an1 > bias*ap1 && an2 > bias*ap2 && an3 > bias*ap3)
+ mask &= (3<<0)
+ | (dn1 >= 0 ? (1<<2)|(2<<4) : (2<<2)|(1<<4))
+ | (dn2 >= 0 ? (1<<2)|(2<<4) : (2<<2)|(1<<4))
+ | (dn3 >= 0 ? (1<<2)|(2<<4) : (2<<2)|(1<<4));
+
+ dp1 = p1[2] + p1[0], dn1 = p1[2] - p1[0], ap1 = fabs(dp1), an1 = fabs(dn1),
+ dp2 = p2[2] + p2[0], dn2 = p2[2] - p2[0], ap2 = fabs(dp2), an2 = fabs(dn2),
+ dp3 = p3[2] + p3[0], dn3 = p3[2] - p3[0], ap3 = fabs(dp3), an3 = fabs(dn3);
+ if(ap1 > bias*an1 && ap2 > bias*an2 && ap3 > bias*an3)
+ mask &= (3<<2)
+ | (dp1 >= 0 ? (1<<4)|(1<<0) : (2<<4)|(2<<0))
+ | (dp2 >= 0 ? (1<<4)|(1<<0) : (2<<4)|(2<<0))
+ | (dp3 >= 0 ? (1<<4)|(1<<0) : (2<<4)|(2<<0));
+ if(an1 > bias*ap1 && an2 > bias*ap2 && an3 > bias*ap3)
+ mask &= (3<<2)
+ | (dn1 >= 0 ? (1<<4)|(2<<0) : (2<<4)|(1<<0))
+ | (dn2 >= 0 ? (1<<4)|(2<<0) : (2<<4)|(1<<0))
+ | (dn3 >= 0 ? (1<<4)|(2<<0) : (2<<4)|(1<<0));
+
+ return mask;
+}
+
+int R_Shadow_CalcBBoxSideMask(const vec3_t mins, const vec3_t maxs, const matrix4x4_t *worldtolight, const matrix4x4_t *radiustolight, float bias)
+{
+ vec3_t center, radius, lightcenter, lightradius, pmin, pmax;
+ float dp1, dn1, ap1, an1, dp2, dn2, ap2, an2;
+ int mask = 0x3F;
+
+ VectorSubtract(maxs, mins, radius);
+ VectorScale(radius, 0.5f, radius);
+ VectorAdd(mins, radius, center);
+ Matrix4x4_Transform(worldtolight, center, lightcenter);
+ Matrix4x4_Transform3x3(radiustolight, radius, lightradius);
+ VectorSubtract(lightcenter, lightradius, pmin);
+ VectorAdd(lightcenter, lightradius, pmax);
+
+ dp1 = pmax[0] + pmax[1], dn1 = pmax[0] - pmin[1], ap1 = fabs(dp1), an1 = fabs(dn1),
+ dp2 = pmin[0] + pmin[1], dn2 = pmin[0] - pmax[1], ap2 = fabs(dp2), an2 = fabs(dn2);
+ if(ap1 > bias*an1 && ap2 > bias*an2)
+ mask &= (3<<4)
+ | (dp1 >= 0 ? (1<<0)|(1<<2) : (2<<0)|(2<<2))
+ | (dp2 >= 0 ? (1<<0)|(1<<2) : (2<<0)|(2<<2));
+ if(an1 > bias*ap1 && an2 > bias*ap2)
+ mask &= (3<<4)
+ | (dn1 >= 0 ? (1<<0)|(2<<2) : (2<<0)|(1<<2))
+ | (dn2 >= 0 ? (1<<0)|(2<<2) : (2<<0)|(1<<2));
+
+ dp1 = pmax[1] + pmax[2], dn1 = pmax[1] - pmin[2], ap1 = fabs(dp1), an1 = fabs(dn1),
+ dp2 = pmin[1] + pmin[2], dn2 = pmin[1] - pmax[2], ap2 = fabs(dp2), an2 = fabs(dn2);
+ if(ap1 > bias*an1 && ap2 > bias*an2)
+ mask &= (3<<0)
+ | (dp1 >= 0 ? (1<<2)|(1<<4) : (2<<2)|(2<<4))
+ | (dp2 >= 0 ? (1<<2)|(1<<4) : (2<<2)|(2<<4));
+ if(an1 > bias*ap1 && an2 > bias*ap2)
+ mask &= (3<<0)
+ | (dn1 >= 0 ? (1<<2)|(2<<4) : (2<<2)|(1<<4))
+ | (dn2 >= 0 ? (1<<2)|(2<<4) : (2<<2)|(1<<4));
+
+ dp1 = pmax[2] + pmax[0], dn1 = pmax[2] - pmin[0], ap1 = fabs(dp1), an1 = fabs(dn1),
+ dp2 = pmin[2] + pmin[0], dn2 = pmin[2] - pmax[0], ap2 = fabs(dp2), an2 = fabs(dn2);
+ if(ap1 > bias*an1 && ap2 > bias*an2)
+ mask &= (3<<2)
+ | (dp1 >= 0 ? (1<<4)|(1<<0) : (2<<4)|(2<<0))
+ | (dp2 >= 0 ? (1<<4)|(1<<0) : (2<<4)|(2<<0));
+ if(an1 > bias*ap1 && an2 > bias*ap2)
+ mask &= (3<<2)
+ | (dn1 >= 0 ? (1<<4)|(2<<0) : (2<<4)|(1<<0))
+ | (dn2 >= 0 ? (1<<4)|(2<<0) : (2<<4)|(1<<0));
+
+ return mask;
+}
+
+#define R_Shadow_CalcEntitySideMask(ent, worldtolight, radiustolight, bias) R_Shadow_CalcBBoxSideMask((ent)->mins, (ent)->maxs, worldtolight, radiustolight, bias)
+
+int R_Shadow_CalcSphereSideMask(const vec3_t p, float radius, float bias)
+{
+ // p is in the cubemap's local coordinate system
+ // bias = border/(size - border)
+ float dxyp = p[0] + p[1], dxyn = p[0] - p[1], axyp = fabs(dxyp), axyn = fabs(dxyn);
+ float dyzp = p[1] + p[2], dyzn = p[1] - p[2], ayzp = fabs(dyzp), ayzn = fabs(dyzn);
+ float dzxp = p[2] + p[0], dzxn = p[2] - p[0], azxp = fabs(dzxp), azxn = fabs(dzxn);
+ int mask = 0x3F;
+ if(axyp > bias*axyn + radius) mask &= dxyp < 0 ? ~((1<<0)|(1<<2)) : ~((2<<0)|(2<<2));
+ if(axyn > bias*axyp + radius) mask &= dxyn < 0 ? ~((1<<0)|(2<<2)) : ~((2<<0)|(1<<2));
+ if(ayzp > bias*ayzn + radius) mask &= dyzp < 0 ? ~((1<<2)|(1<<4)) : ~((2<<2)|(2<<4));
+ if(ayzn > bias*ayzp + radius) mask &= dyzn < 0 ? ~((1<<2)|(2<<4)) : ~((2<<2)|(1<<4));
+ if(azxp > bias*azxn + radius) mask &= dzxp < 0 ? ~((1<<4)|(1<<0)) : ~((2<<4)|(2<<0));
+ if(azxn > bias*azxp + radius) mask &= dzxn < 0 ? ~((1<<4)|(2<<0)) : ~((2<<4)|(1<<0));
+ return mask;
+}
+
+int R_Shadow_CullFrustumSides(rtlight_t *rtlight, float size, float border)
+{
+ int i;
+ vec3_t p, n;
+ int sides = 0x3F, masks[6] = { 3<<4, 3<<4, 3<<0, 3<<0, 3<<2, 3<<2 };
+ float scale = (size - 2*border)/size, len;
+ float bias = border / (float)(size - border), dp, dn, ap, an;
+ // check if cone enclosing side would cross frustum plane
+ scale = 2 / (scale*scale + 2);
+ for (i = 0;i < 5;i++)
+ {
+ if (PlaneDiff(rtlight->shadoworigin, &r_refdef.view.frustum[i]) > -0.03125)
+ continue;
+ Matrix4x4_Transform3x3(&rtlight->matrix_worldtolight, r_refdef.view.frustum[i].normal, n);
+ len = scale*VectorLength2(n);
+ if(n[0]*n[0] > len) sides &= n[0] < 0 ? ~(1<<0) : ~(2 << 0);
+ if(n[1]*n[1] > len) sides &= n[1] < 0 ? ~(1<<2) : ~(2 << 2);
+ if(n[2]*n[2] > len) sides &= n[2] < 0 ? ~(1<<4) : ~(2 << 4);
+ }
+ if (PlaneDiff(rtlight->shadoworigin, &r_refdef.view.frustum[4]) >= r_refdef.farclip - r_refdef.nearclip + 0.03125)
+ {
+ Matrix4x4_Transform3x3(&rtlight->matrix_worldtolight, r_refdef.view.frustum[4].normal, n);
+ len = scale*VectorLength(n);
+ if(n[0]*n[0] > len) sides &= n[0] >= 0 ? ~(1<<0) : ~(2 << 0);
+ if(n[1]*n[1] > len) sides &= n[1] >= 0 ? ~(1<<2) : ~(2 << 2);
+ if(n[2]*n[2] > len) sides &= n[2] >= 0 ? ~(1<<4) : ~(2 << 4);
+ }
+ // this next test usually clips off more sides than the former, but occasionally clips fewer/different ones, so do both and combine results
+ // check if frustum corners/origin cross plane sides
+#if 1
+ // infinite version, assumes frustum corners merely give direction and extend to infinite distance
+ Matrix4x4_Transform(&rtlight->matrix_worldtolight, r_refdef.view.origin, p);
+ dp = p[0] + p[1], dn = p[0] - p[1], ap = fabs(dp), an = fabs(dn);
+ masks[0] |= ap <= bias*an ? 0x3F : (dp >= 0 ? (1<<0)|(1<<2) : (2<<0)|(2<<2));
+ masks[1] |= an <= bias*ap ? 0x3F : (dn >= 0 ? (1<<0)|(2<<2) : (2<<0)|(1<<2));
+ dp = p[1] + p[2], dn = p[1] - p[2], ap = fabs(dp), an = fabs(dn);
+ masks[2] |= ap <= bias*an ? 0x3F : (dp >= 0 ? (1<<2)|(1<<4) : (2<<2)|(2<<4));
+ masks[3] |= an <= bias*ap ? 0x3F : (dn >= 0 ? (1<<2)|(2<<4) : (2<<2)|(1<<4));
+ dp = p[2] + p[0], dn = p[2] - p[0], ap = fabs(dp), an = fabs(dn);
+ masks[4] |= ap <= bias*an ? 0x3F : (dp >= 0 ? (1<<4)|(1<<0) : (2<<4)|(2<<0));
+ masks[5] |= an <= bias*ap ? 0x3F : (dn >= 0 ? (1<<4)|(2<<0) : (2<<4)|(1<<0));
+ for (i = 0;i < 4;i++)
+ {
+ Matrix4x4_Transform(&rtlight->matrix_worldtolight, r_refdef.view.frustumcorner[i], n);
+ VectorSubtract(n, p, n);
+ dp = n[0] + n[1], dn = n[0] - n[1], ap = fabs(dp), an = fabs(dn);
+ if(ap > 0) masks[0] |= dp >= 0 ? (1<<0)|(1<<2) : (2<<0)|(2<<2);
+ if(an > 0) masks[1] |= dn >= 0 ? (1<<0)|(2<<2) : (2<<0)|(1<<2);
+ dp = n[1] + n[2], dn = n[1] - n[2], ap = fabs(dp), an = fabs(dn);
+ if(ap > 0) masks[2] |= dp >= 0 ? (1<<2)|(1<<4) : (2<<2)|(2<<4);
+ if(an > 0) masks[3] |= dn >= 0 ? (1<<2)|(2<<4) : (2<<2)|(1<<4);
+ dp = n[2] + n[0], dn = n[2] - n[0], ap = fabs(dp), an = fabs(dn);
+ if(ap > 0) masks[4] |= dp >= 0 ? (1<<4)|(1<<0) : (2<<4)|(2<<0);
+ if(an > 0) masks[5] |= dn >= 0 ? (1<<4)|(2<<0) : (2<<4)|(1<<0);
+ }
+#else
+ // finite version, assumes corners are a finite distance from origin dependent on far plane
+ for (i = 0;i < 5;i++)
+ {
+ Matrix4x4_Transform(&rtlight->matrix_worldtolight, !i ? r_refdef.view.origin : r_refdef.view.frustumcorner[i-1], p);
+ dp = p[0] + p[1], dn = p[0] - p[1], ap = fabs(dp), an = fabs(dn);
+ masks[0] |= ap <= bias*an ? 0x3F : (dp >= 0 ? (1<<0)|(1<<2) : (2<<0)|(2<<2));
+ masks[1] |= an <= bias*ap ? 0x3F : (dn >= 0 ? (1<<0)|(2<<2) : (2<<0)|(1<<2));
+ dp = p[1] + p[2], dn = p[1] - p[2], ap = fabs(dp), an = fabs(dn);
+ masks[2] |= ap <= bias*an ? 0x3F : (dp >= 0 ? (1<<2)|(1<<4) : (2<<2)|(2<<4));
+ masks[3] |= an <= bias*ap ? 0x3F : (dn >= 0 ? (1<<2)|(2<<4) : (2<<2)|(1<<4));
+ dp = p[2] + p[0], dn = p[2] - p[0], ap = fabs(dp), an = fabs(dn);
+ masks[4] |= ap <= bias*an ? 0x3F : (dp >= 0 ? (1<<4)|(1<<0) : (2<<4)|(2<<0));
+ masks[5] |= an <= bias*ap ? 0x3F : (dn >= 0 ? (1<<4)|(2<<0) : (2<<4)|(1<<0));
+ }
+#endif
+ return sides & masks[0] & masks[1] & masks[2] & masks[3] & masks[4] & masks[5];
+}
+
+int R_Shadow_ChooseSidesFromBox(int firsttriangle, int numtris, const float *invertex3f, const int *elements, const matrix4x4_t *worldtolight, const vec3_t projectorigin, const vec3_t projectdirection, const vec3_t lightmins, const vec3_t lightmaxs, const vec3_t surfacemins, const vec3_t surfacemaxs, int *totals)
+{
+ int t, tend;
+ const int *e;
+ const float *v[3];
+ float normal[3];
+ vec3_t p[3];
+ float bias;
+ int mask, surfacemask = 0;
+ if (!BoxesOverlap(lightmins, lightmaxs, surfacemins, surfacemaxs))
+ return 0;
+ bias = r_shadow_shadowmapborder / (float)(r_shadow_shadowmapmaxsize - r_shadow_shadowmapborder);
+ tend = firsttriangle + numtris;
+ if (BoxInsideBox(surfacemins, surfacemaxs, lightmins, lightmaxs))
+ {
+ // surface box entirely inside light box, no box cull
+ if (projectdirection)
+ {
+ for (t = firsttriangle, e = elements + t * 3;t < tend;t++, e += 3)
+ {
+ v[0] = invertex3f + e[0] * 3, v[1] = invertex3f + e[1] * 3, v[2] = invertex3f + e[2] * 3;
+ TriangleNormal(v[0], v[1], v[2], normal);
+ if (r_shadow_frontsidecasting.integer == (DotProduct(normal, projectdirection) < 0))
+ {
+ Matrix4x4_Transform(worldtolight, v[0], p[0]), Matrix4x4_Transform(worldtolight, v[1], p[1]), Matrix4x4_Transform(worldtolight, v[2], p[2]);
+ mask = R_Shadow_CalcTriangleSideMask(p[0], p[1], p[2], bias);
+ surfacemask |= mask;
+ if(totals)
+ {
+ totals[0] += mask&1, totals[1] += (mask>>1)&1, totals[2] += (mask>>2)&1, totals[3] += (mask>>3)&1, totals[4] += (mask>>4)&1, totals[5] += mask>>5;
+ shadowsides[numshadowsides] = mask;
+ shadowsideslist[numshadowsides++] = t;
+ }
+ }
+ }
+ }
+ else
+ {
+ for (t = firsttriangle, e = elements + t * 3;t < tend;t++, e += 3)
+ {
+ v[0] = invertex3f + e[0] * 3, v[1] = invertex3f + e[1] * 3, v[2] = invertex3f + e[2] * 3;
+ if (r_shadow_frontsidecasting.integer == PointInfrontOfTriangle(projectorigin, v[0], v[1], v[2]))
+ {
+ Matrix4x4_Transform(worldtolight, v[0], p[0]), Matrix4x4_Transform(worldtolight, v[1], p[1]), Matrix4x4_Transform(worldtolight, v[2], p[2]);
+ mask = R_Shadow_CalcTriangleSideMask(p[0], p[1], p[2], bias);
+ surfacemask |= mask;
+ if(totals)
+ {
+ totals[0] += mask&1, totals[1] += (mask>>1)&1, totals[2] += (mask>>2)&1, totals[3] += (mask>>3)&1, totals[4] += (mask>>4)&1, totals[5] += mask>>5;
+ shadowsides[numshadowsides] = mask;
+ shadowsideslist[numshadowsides++] = t;
+ }
+ }
+ }
+ }
+ }
+ else
+ {
+ // surface box not entirely inside light box, cull each triangle
+ if (projectdirection)
+ {
+ for (t = firsttriangle, e = elements + t * 3;t < tend;t++, e += 3)
+ {
+ v[0] = invertex3f + e[0] * 3, v[1] = invertex3f + e[1] * 3, v[2] = invertex3f + e[2] * 3;
+ TriangleNormal(v[0], v[1], v[2], normal);
+ if (r_shadow_frontsidecasting.integer == (DotProduct(normal, projectdirection) < 0)
+ && TriangleOverlapsBox(v[0], v[1], v[2], lightmins, lightmaxs))
+ {
+ Matrix4x4_Transform(worldtolight, v[0], p[0]), Matrix4x4_Transform(worldtolight, v[1], p[1]), Matrix4x4_Transform(worldtolight, v[2], p[2]);
+ mask = R_Shadow_CalcTriangleSideMask(p[0], p[1], p[2], bias);
+ surfacemask |= mask;
+ if(totals)
+ {
+ totals[0] += mask&1, totals[1] += (mask>>1)&1, totals[2] += (mask>>2)&1, totals[3] += (mask>>3)&1, totals[4] += (mask>>4)&1, totals[5] += mask>>5;
+ shadowsides[numshadowsides] = mask;
+ shadowsideslist[numshadowsides++] = t;
+ }
+ }
+ }
+ }
+ else
+ {
+ for (t = firsttriangle, e = elements + t * 3;t < tend;t++, e += 3)
+ {
+ v[0] = invertex3f + e[0] * 3, v[1] = invertex3f + e[1] * 3, v[2] = invertex3f + e[2] * 3;
+ if (r_shadow_frontsidecasting.integer == PointInfrontOfTriangle(projectorigin, v[0], v[1], v[2])
+ && TriangleOverlapsBox(v[0], v[1], v[2], lightmins, lightmaxs))
+ {
+ Matrix4x4_Transform(worldtolight, v[0], p[0]), Matrix4x4_Transform(worldtolight, v[1], p[1]), Matrix4x4_Transform(worldtolight, v[2], p[2]);
+ mask = R_Shadow_CalcTriangleSideMask(p[0], p[1], p[2], bias);
+ surfacemask |= mask;
+ if(totals)
+ {
+ totals[0] += mask&1, totals[1] += (mask>>1)&1, totals[2] += (mask>>2)&1, totals[3] += (mask>>3)&1, totals[4] += (mask>>4)&1, totals[5] += mask>>5;
+ shadowsides[numshadowsides] = mask;
+ shadowsideslist[numshadowsides++] = t;
+ }
+ }
+ }
+ }
+ }
+ return surfacemask;
+}
+
+void R_Shadow_ShadowMapFromList(int numverts, int numtris, const float *vertex3f, const int *elements, int numsidetris, const int *sidetotals, const unsigned char *sides, const int *sidetris)
+{
+ int i, j, outtriangles = 0;
+ int *outelement3i[6];
+ if (!numverts || !numsidetris || !r_shadow_compilingrtlight)
+ return;
+ outtriangles = sidetotals[0] + sidetotals[1] + sidetotals[2] + sidetotals[3] + sidetotals[4] + sidetotals[5];
+ // make sure shadowelements is big enough for this mesh
+ if (maxshadowtriangles < outtriangles)
+ R_Shadow_ResizeShadowArrays(0, outtriangles, 0, 1);
+
+ // compute the offset and size of the separate index lists for each cubemap side
+ outtriangles = 0;
+ for (i = 0;i < 6;i++)
+ {
+ outelement3i[i] = shadowelements + outtriangles * 3;
+ r_shadow_compilingrtlight->static_meshchain_shadow_shadowmap->sideoffsets[i] = outtriangles;
+ r_shadow_compilingrtlight->static_meshchain_shadow_shadowmap->sidetotals[i] = sidetotals[i];
+ outtriangles += sidetotals[i];
+ }
+
+ // gather up the (sparse) triangles into separate index lists for each cubemap side
+ for (i = 0;i < numsidetris;i++)
+ {
+ const int *element = elements + sidetris[i] * 3;
+ for (j = 0;j < 6;j++)
+ {
+ if (sides[i] & (1 << j))
+ {
+ outelement3i[j][0] = element[0];
+ outelement3i[j][1] = element[1];
+ outelement3i[j][2] = element[2];
+ outelement3i[j] += 3;
+ }
+ }
+ }
+
+ Mod_ShadowMesh_AddMesh(r_main_mempool, r_shadow_compilingrtlight->static_meshchain_shadow_shadowmap, NULL, NULL, NULL, vertex3f, NULL, NULL, NULL, NULL, outtriangles, shadowelements);
+}
+
+static void R_Shadow_MakeTextures_MakeCorona(void)
+{
+ float dx, dy;
+ int x, y, a;
+ unsigned char pixels[32][32][4];
+ for (y = 0;y < 32;y++)
+ {
+ dy = (y - 15.5f) * (1.0f / 16.0f);
+ for (x = 0;x < 32;x++)
+ {
+ dx = (x - 15.5f) * (1.0f / 16.0f);
+ a = (int)(((1.0f / (dx * dx + dy * dy + 0.2f)) - (1.0f / (1.0f + 0.2))) * 32.0f / (1.0f / (1.0f + 0.2)));
+ a = bound(0, a, 255);
+ pixels[y][x][0] = a;
+ pixels[y][x][1] = a;
+ pixels[y][x][2] = a;
+ pixels[y][x][3] = 255;
+ }
+ }
+ r_shadow_lightcorona = R_SkinFrame_LoadInternalBGRA("lightcorona", TEXF_FORCELINEAR, &pixels[0][0][0], 32, 32, false);
+}
+
+static unsigned int R_Shadow_MakeTextures_SamplePoint(float x, float y, float z)
+{
+ float dist = sqrt(x*x+y*y+z*z);
+ float intensity = dist < 1 ? ((1.0f - dist) * r_shadow_lightattenuationlinearscale.value / (r_shadow_lightattenuationdividebias.value + dist*dist)) : 0;
+ // note this code could suffer byte order issues except that it is multiplying by an integer that reads the same both ways
+ return (unsigned char)bound(0, intensity * 256.0f, 255) * 0x01010101;
+}
+
+static void R_Shadow_MakeTextures(void)
+{
+ int x, y, z;
+ float intensity, dist;
+ unsigned int *data;
+ R_Shadow_FreeShadowMaps();
+ R_FreeTexturePool(&r_shadow_texturepool);
+ r_shadow_texturepool = R_AllocTexturePool();
+ r_shadow_attenlinearscale = r_shadow_lightattenuationlinearscale.value;
+ r_shadow_attendividebias = r_shadow_lightattenuationdividebias.value;
+ data = (unsigned int *)Mem_Alloc(tempmempool, max(max(ATTEN3DSIZE*ATTEN3DSIZE*ATTEN3DSIZE, ATTEN2DSIZE*ATTEN2DSIZE), ATTEN1DSIZE) * 4);
+ // the table includes one additional value to avoid the need to clamp indexing due to minor math errors
+ for (x = 0;x <= ATTENTABLESIZE;x++)
+ {
+ dist = (x + 0.5f) * (1.0f / ATTENTABLESIZE) * (1.0f / 0.9375);
+ intensity = dist < 1 ? ((1.0f - dist) * r_shadow_lightattenuationlinearscale.value / (r_shadow_lightattenuationdividebias.value + dist*dist)) : 0;
+ r_shadow_attentable[x] = bound(0, intensity, 1);
+ }
+ // 1D gradient texture
+ for (x = 0;x < ATTEN1DSIZE;x++)
+ data[x] = R_Shadow_MakeTextures_SamplePoint((x + 0.5f) * (1.0f / ATTEN1DSIZE) * (1.0f / 0.9375), 0, 0);
+ r_shadow_attenuationgradienttexture = R_LoadTexture2D(r_shadow_texturepool, "attenuation1d", ATTEN1DSIZE, 1, (unsigned char *)data, TEXTYPE_BGRA, TEXF_CLAMP | TEXF_ALPHA | TEXF_FORCELINEAR, -1, NULL);
+ // 2D circle texture
+ for (y = 0;y < ATTEN2DSIZE;y++)
+ for (x = 0;x < ATTEN2DSIZE;x++)
+ data[y*ATTEN2DSIZE+x] = R_Shadow_MakeTextures_SamplePoint(((x + 0.5f) * (2.0f / ATTEN2DSIZE) - 1.0f) * (1.0f / 0.9375), ((y + 0.5f) * (2.0f / ATTEN2DSIZE) - 1.0f) * (1.0f / 0.9375), 0);
+ r_shadow_attenuation2dtexture = R_LoadTexture2D(r_shadow_texturepool, "attenuation2d", ATTEN2DSIZE, ATTEN2DSIZE, (unsigned char *)data, TEXTYPE_BGRA, TEXF_CLAMP | TEXF_ALPHA | TEXF_FORCELINEAR, -1, NULL);
+ // 3D sphere texture
+ if (r_shadow_texture3d.integer && vid.support.ext_texture_3d)
+ {
+ for (z = 0;z < ATTEN3DSIZE;z++)
+ for (y = 0;y < ATTEN3DSIZE;y++)
+ for (x = 0;x < ATTEN3DSIZE;x++)
+ data[(z*ATTEN3DSIZE+y)*ATTEN3DSIZE+x] = R_Shadow_MakeTextures_SamplePoint(((x + 0.5f) * (2.0f / ATTEN3DSIZE) - 1.0f) * (1.0f / 0.9375), ((y + 0.5f) * (2.0f / ATTEN3DSIZE) - 1.0f) * (1.0f / 0.9375), ((z + 0.5f) * (2.0f / ATTEN3DSIZE) - 1.0f) * (1.0f / 0.9375));
+ r_shadow_attenuation3dtexture = R_LoadTexture3D(r_shadow_texturepool, "attenuation3d", ATTEN3DSIZE, ATTEN3DSIZE, ATTEN3DSIZE, (unsigned char *)data, TEXTYPE_BGRA, TEXF_CLAMP | TEXF_ALPHA | TEXF_FORCELINEAR, -1, NULL);
+ }
+ else
+ r_shadow_attenuation3dtexture = NULL;
+ Mem_Free(data);
+
+ R_Shadow_MakeTextures_MakeCorona();
+
+ // Editor light sprites
+ r_editlights_sprcursor = R_SkinFrame_LoadInternal8bit("gfx/editlights/cursor", TEXF_ALPHA | TEXF_CLAMP, (const unsigned char *)
+ "................"
+ ".3............3."
+ "..5...2332...5.."
+ "...7.3....3.7..."
+ "....7......7...."
+ "...3.7....7.3..."
+ "..2...7..7...2.."
+ "..3..........3.."
+ "..3..........3.."
+ "..2...7..7...2.."
+ "...3.7....7.3..."
+ "....7......7...."
+ "...7.3....3.7..."
+ "..5...2332...5.."
+ ".3............3."
+ "................"
+ , 16, 16, palette_bgra_embeddedpic, palette_bgra_embeddedpic);
+ r_editlights_sprlight = R_SkinFrame_LoadInternal8bit("gfx/editlights/light", TEXF_ALPHA | TEXF_CLAMP, (const unsigned char *)
+ "................"
+ "................"
+ "......1111......"
+ "....11233211...."
+ "...1234554321..."
+ "...1356776531..."
+ "..124677776421.."
+ "..135777777531.."
+ "..135777777531.."
+ "..124677776421.."
+ "...1356776531..."
+ "...1234554321..."
+ "....11233211...."
+ "......1111......"
+ "................"
+ "................"
+ , 16, 16, palette_bgra_embeddedpic, palette_bgra_embeddedpic);
+ r_editlights_sprnoshadowlight = R_SkinFrame_LoadInternal8bit("gfx/editlights/noshadow", TEXF_ALPHA | TEXF_CLAMP, (const unsigned char *)
+ "................"
+ "................"
+ "......1111......"
+ "....11233211...."
+ "...1234554321..."
+ "...1356226531..."
+ "..12462..26421.."
+ "..1352....2531.."
+ "..1352....2531.."
+ "..12462..26421.."
+ "...1356226531..."
+ "...1234554321..."
+ "....11233211...."
+ "......1111......"
+ "................"
+ "................"
+ , 16, 16, palette_bgra_embeddedpic, palette_bgra_embeddedpic);
+ r_editlights_sprcubemaplight = R_SkinFrame_LoadInternal8bit("gfx/editlights/cubemaplight", TEXF_ALPHA | TEXF_CLAMP, (const unsigned char *)
+ "................"
+ "................"
+ "......2772......"
+ "....27755772...."
+ "..277533335772.."
+ "..753333333357.."
+ "..777533335777.."
+ "..735775577537.."
+ "..733357753337.."
+ "..733337733337.."
+ "..753337733357.."
+ "..277537735772.."
+ "....27777772...."
+ "......2772......"
+ "................"
+ "................"
+ , 16, 16, palette_bgra_embeddedpic, palette_bgra_embeddedpic);
+ r_editlights_sprcubemapnoshadowlight = R_SkinFrame_LoadInternal8bit("gfx/editlights/cubemapnoshadowlight", TEXF_ALPHA | TEXF_CLAMP, (const unsigned char *)
+ "................"
+ "................"
+ "......2772......"
+ "....27722772...."
+ "..2772....2772.."
+ "..72........27.."
+ "..7772....2777.."
+ "..7.27722772.7.."
+ "..7...2772...7.."
+ "..7....77....7.."
+ "..72...77...27.."
+ "..2772.77.2772.."
+ "....27777772...."
+ "......2772......"
+ "................"
+ "................"
+ , 16, 16, palette_bgra_embeddedpic, palette_bgra_embeddedpic);
+ r_editlights_sprselection = R_SkinFrame_LoadInternal8bit("gfx/editlights/selection", TEXF_ALPHA | TEXF_CLAMP, (unsigned char *)
+ "................"
+ ".777752..257777."
+ ".742........247."
+ ".72..........27."
+ ".7............7."
+ ".5............5."
+ ".2............2."
+ "................"
+ "................"
+ ".2............2."
+ ".5............5."
+ ".7............7."
+ ".72..........27."
+ ".742........247."
+ ".777752..257777."
+ "................"
+ , 16, 16, palette_bgra_embeddedpic, palette_bgra_embeddedpic);
+}
+
+void R_Shadow_ValidateCvars(void)
+{
+ if (r_shadow_texture3d.integer && !vid.support.ext_texture_3d)
+ Cvar_SetValueQuick(&r_shadow_texture3d, 0);
+ if (gl_ext_separatestencil.integer && !vid.support.ati_separate_stencil)
+ Cvar_SetValueQuick(&gl_ext_separatestencil, 0);
+ if (gl_ext_stenciltwoside.integer && !vid.support.ext_stencil_two_side)
+ Cvar_SetValueQuick(&gl_ext_stenciltwoside, 0);
+}
+
+void R_Shadow_RenderMode_Begin(void)
+{
+#if 0
+ GLint drawbuffer;
+ GLint readbuffer;
+#endif
+ R_Shadow_ValidateCvars();
+
+ if (!r_shadow_attenuation2dtexture
+ || (!r_shadow_attenuation3dtexture && r_shadow_texture3d.integer)
+ || r_shadow_lightattenuationdividebias.value != r_shadow_attendividebias
+ || r_shadow_lightattenuationlinearscale.value != r_shadow_attenlinearscale)
+ R_Shadow_MakeTextures();
+
+ CHECKGLERROR
+ R_Mesh_ResetTextureState();
+ GL_BlendFunc(GL_ONE, GL_ZERO);
+ GL_DepthRange(0, 1);
+ GL_PolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);
+ GL_DepthTest(true);
+ GL_DepthMask(false);
+ GL_Color(0, 0, 0, 1);
+ GL_Scissor(r_refdef.view.viewport.x, r_refdef.view.viewport.y, r_refdef.view.viewport.width, r_refdef.view.viewport.height);
+
+ r_shadow_rendermode = R_SHADOW_RENDERMODE_NONE;
+
+ if (gl_ext_separatestencil.integer && vid.support.ati_separate_stencil)
+ {
+ r_shadow_shadowingrendermode_zpass = R_SHADOW_RENDERMODE_ZPASS_SEPARATESTENCIL;
+ r_shadow_shadowingrendermode_zfail = R_SHADOW_RENDERMODE_ZFAIL_SEPARATESTENCIL;
+ }
+ else if (gl_ext_stenciltwoside.integer && vid.support.ext_stencil_two_side)
+ {
+ r_shadow_shadowingrendermode_zpass = R_SHADOW_RENDERMODE_ZPASS_STENCILTWOSIDE;
+ r_shadow_shadowingrendermode_zfail = R_SHADOW_RENDERMODE_ZFAIL_STENCILTWOSIDE;
+ }
+ else
+ {
+ r_shadow_shadowingrendermode_zpass = R_SHADOW_RENDERMODE_ZPASS_STENCIL;
+ r_shadow_shadowingrendermode_zfail = R_SHADOW_RENDERMODE_ZFAIL_STENCIL;
+ }
+
+ switch(vid.renderpath)
+ {
+ case RENDERPATH_GL20:
+ case RENDERPATH_D3D9:
+ case RENDERPATH_D3D10:
+ case RENDERPATH_D3D11:
+ case RENDERPATH_SOFT:
+ case RENDERPATH_GLES2:
+ r_shadow_lightingrendermode = R_SHADOW_RENDERMODE_LIGHT_GLSL;
+ break;
+ case RENDERPATH_GL11:
+ case RENDERPATH_GL13:
+ case RENDERPATH_GLES1:
+ if (r_textureunits.integer >= 2 && vid.texunits >= 2 && r_shadow_texture3d.integer && r_shadow_attenuation3dtexture)
+ r_shadow_lightingrendermode = R_SHADOW_RENDERMODE_LIGHT_VERTEX3DATTEN;
+ else if (r_textureunits.integer >= 3 && vid.texunits >= 3)
+ r_shadow_lightingrendermode = R_SHADOW_RENDERMODE_LIGHT_VERTEX2D1DATTEN;
+ else if (r_textureunits.integer >= 2 && vid.texunits >= 2)
+ r_shadow_lightingrendermode = R_SHADOW_RENDERMODE_LIGHT_VERTEX2DATTEN;
+ else
+ r_shadow_lightingrendermode = R_SHADOW_RENDERMODE_LIGHT_VERTEX;
+ break;
+ }
+
+ CHECKGLERROR
+#if 0
+ qglGetIntegerv(GL_DRAW_BUFFER, &drawbuffer);CHECKGLERROR
+ qglGetIntegerv(GL_READ_BUFFER, &readbuffer);CHECKGLERROR
+ r_shadow_drawbuffer = drawbuffer;
+ r_shadow_readbuffer = readbuffer;
+#endif
+ r_shadow_cullface_front = r_refdef.view.cullface_front;
+ r_shadow_cullface_back = r_refdef.view.cullface_back;
+}
+
+void R_Shadow_RenderMode_ActiveLight(const rtlight_t *rtlight)
+{
+ rsurface.rtlight = rtlight;
+}
+
+void R_Shadow_RenderMode_Reset(void)
+{
+ R_Mesh_SetMainRenderTargets();
+ R_SetViewport(&r_refdef.view.viewport);
+ GL_Scissor(r_shadow_lightscissor[0], r_shadow_lightscissor[1], r_shadow_lightscissor[2], r_shadow_lightscissor[3]);
+ R_Mesh_ResetTextureState();
+ GL_DepthRange(0, 1);
+ GL_DepthTest(true);
+ GL_DepthMask(false);
+ GL_DepthFunc(GL_LEQUAL);
+ GL_PolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);CHECKGLERROR
+ r_refdef.view.cullface_front = r_shadow_cullface_front;
+ r_refdef.view.cullface_back = r_shadow_cullface_back;
+ GL_CullFace(r_refdef.view.cullface_back);
+ GL_Color(1, 1, 1, 1);
+ GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 1);
+ GL_BlendFunc(GL_ONE, GL_ZERO);
+ R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1, false);
+ r_shadow_usingshadowmap2d = false;
+ r_shadow_usingshadowmaportho = false;
+ R_SetStencil(false, 255, GL_KEEP, GL_KEEP, GL_KEEP, GL_ALWAYS, 128, 255);
+}
+
+void R_Shadow_ClearStencil(void)
+{
+ GL_Clear(GL_STENCIL_BUFFER_BIT, NULL, 1.0f, 128);
+ r_refdef.stats.lights_clears++;
+}
+
+void R_Shadow_RenderMode_StencilShadowVolumes(qboolean zpass)
+{
+ r_shadow_rendermode_t mode = zpass ? r_shadow_shadowingrendermode_zpass : r_shadow_shadowingrendermode_zfail;
+ if (r_shadow_rendermode == mode)
+ return;
+ R_Shadow_RenderMode_Reset();
+ GL_DepthFunc(GL_LESS);
+ GL_ColorMask(0, 0, 0, 0);
+ GL_PolygonOffset(r_refdef.shadowpolygonfactor, r_refdef.shadowpolygonoffset);CHECKGLERROR
+ GL_CullFace(GL_NONE);
+ R_SetupShader_DepthOrShadow(false);
+ r_shadow_rendermode = mode;
+ switch(mode)
+ {
+ default:
+ break;
+ case R_SHADOW_RENDERMODE_ZPASS_STENCILTWOSIDE:
+ case R_SHADOW_RENDERMODE_ZPASS_SEPARATESTENCIL:
+ R_SetStencilSeparate(true, 255, GL_KEEP, GL_KEEP, GL_INCR, GL_KEEP, GL_KEEP, GL_DECR, GL_ALWAYS, GL_ALWAYS, 128, 255);
+ break;
+ case R_SHADOW_RENDERMODE_ZFAIL_STENCILTWOSIDE:
+ case R_SHADOW_RENDERMODE_ZFAIL_SEPARATESTENCIL:
+ R_SetStencilSeparate(true, 255, GL_KEEP, GL_INCR, GL_KEEP, GL_KEEP, GL_DECR, GL_KEEP, GL_ALWAYS, GL_ALWAYS, 128, 255);
+ break;
+ }
+}
+
+static void R_Shadow_MakeVSDCT(void)
+{
+ // maps to a 2x3 texture rectangle with normalized coordinates
+ // +-
+ // XX
+ // YY
+ // ZZ
+ // stores abs(dir.xy), offset.xy/2.5
+ unsigned char data[4*6] =
+ {
+ 255, 0, 0x33, 0x33, // +X: <1, 0>, <0.5, 0.5>
+ 255, 0, 0x99, 0x33, // -X: <1, 0>, <1.5, 0.5>
+ 0, 255, 0x33, 0x99, // +Y: <0, 1>, <0.5, 1.5>
+ 0, 255, 0x99, 0x99, // -Y: <0, 1>, <1.5, 1.5>
+ 0, 0, 0x33, 0xFF, // +Z: <0, 0>, <0.5, 2.5>
+ 0, 0, 0x99, 0xFF, // -Z: <0, 0>, <1.5, 2.5>
+ };
+ r_shadow_shadowmapvsdcttexture = R_LoadTextureCubeMap(r_shadow_texturepool, "shadowmapvsdct", 1, data, TEXTYPE_RGBA, TEXF_FORCENEAREST | TEXF_CLAMP | TEXF_ALPHA, -1, NULL);
+}
+
+static void R_Shadow_MakeShadowMap(int side, int size)
+{
+ switch (r_shadow_shadowmode)
+ {
+ case R_SHADOW_SHADOWMODE_SHADOWMAP2D:
+ if (r_shadow_shadowmap2dtexture) return;
+ r_shadow_shadowmap2dtexture = R_LoadTextureShadowMap2D(r_shadow_texturepool, "shadowmap", size*2, size*(vid.support.arb_texture_non_power_of_two ? 3 : 4), r_shadow_shadowmapdepthbits, r_shadow_shadowmapsampler);
+ r_shadow_shadowmap2dcolortexture = NULL;
+ switch(vid.renderpath)
+ {
+#ifdef SUPPORTD3D
+ case RENDERPATH_D3D9:
+ r_shadow_shadowmap2dcolortexture = R_LoadTexture2D(r_shadow_texturepool, "shadowmaprendertarget", size*2, size*(vid.support.arb_texture_non_power_of_two ? 3 : 4), NULL, TEXTYPE_BGRA, TEXF_RENDERTARGET | TEXF_FORCENEAREST | TEXF_CLAMP | TEXF_ALPHA, -1, NULL);
+ r_shadow_fbo2d = R_Mesh_CreateFramebufferObject(r_shadow_shadowmap2dtexture, r_shadow_shadowmap2dcolortexture, NULL, NULL, NULL);
+ break;
+#endif
+ default:
+ r_shadow_fbo2d = R_Mesh_CreateFramebufferObject(r_shadow_shadowmap2dtexture, NULL, NULL, NULL, NULL);
+ break;
+ }
+ break;
+ default:
+ return;
+ }
+
+ // render depth into the fbo, do not render color at all
+ // validate the fbo now
+ if (qglDrawBuffer)
+ {
+ int status;
+ qglDrawBuffer(GL_NONE);CHECKGLERROR
+ qglReadBuffer(GL_NONE);CHECKGLERROR
+ status = qglCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);CHECKGLERROR
+ if (status != GL_FRAMEBUFFER_COMPLETE_EXT && (r_shadow_shadowmapping.integer || r_shadow_deferred.integer))
+ {
+ Con_Printf("R_Shadow_MakeShadowMap: glCheckFramebufferStatusEXT returned %i\n", status);
+ Cvar_SetValueQuick(&r_shadow_shadowmapping, 0);
+ Cvar_SetValueQuick(&r_shadow_deferred, 0);
+ }
+ }
+}
+
+void R_Shadow_RenderMode_ShadowMap(int side, int clear, int size)
+{
+ float nearclip, farclip, bias;
+ r_viewport_t viewport;
+ int flipped;
+ GLuint fbo = 0;
+ float clearcolor[4];
+ nearclip = r_shadow_shadowmapping_nearclip.value / rsurface.rtlight->radius;
+ farclip = 1.0f;
+ bias = r_shadow_shadowmapping_bias.value * nearclip * (1024.0f / size);// * rsurface.rtlight->radius;
+ r_shadow_shadowmap_parameters[1] = -nearclip * farclip / (farclip - nearclip) - 0.5f * bias;
+ r_shadow_shadowmap_parameters[3] = 0.5f + 0.5f * (farclip + nearclip) / (farclip - nearclip);
+ r_shadow_shadowmapside = side;
+ r_shadow_shadowmapsize = size;
+
+ r_shadow_shadowmap_parameters[0] = 0.5f * (size - r_shadow_shadowmapborder);
+ r_shadow_shadowmap_parameters[2] = r_shadow_shadowmapvsdct ? 2.5f*size : size;
+ R_Viewport_InitRectSideView(&viewport, &rsurface.rtlight->matrix_lighttoworld, side, size, r_shadow_shadowmapborder, nearclip, farclip, NULL);
+ if (r_shadow_rendermode == R_SHADOW_RENDERMODE_SHADOWMAP2D) goto init_done;
+
+ // complex unrolled cube approach (more flexible)
+ if (r_shadow_shadowmapvsdct && !r_shadow_shadowmapvsdcttexture)
+ R_Shadow_MakeVSDCT();
+ if (!r_shadow_shadowmap2dtexture)
+ R_Shadow_MakeShadowMap(side, r_shadow_shadowmapmaxsize);
+ if (r_shadow_shadowmap2dtexture) fbo = r_shadow_fbo2d;
+ r_shadow_shadowmap_texturescale[0] = 1.0f / R_TextureWidth(r_shadow_shadowmap2dtexture);
+ r_shadow_shadowmap_texturescale[1] = 1.0f / R_TextureHeight(r_shadow_shadowmap2dtexture);
+ r_shadow_rendermode = R_SHADOW_RENDERMODE_SHADOWMAP2D;
+
+ R_Mesh_ResetTextureState();
+ R_Shadow_RenderMode_Reset();
+ R_Mesh_SetRenderTargets(fbo, r_shadow_shadowmap2dtexture, r_shadow_shadowmap2dcolortexture, NULL, NULL, NULL);
+ R_SetupShader_DepthOrShadow(true);
+ GL_PolygonOffset(r_shadow_shadowmapping_polygonfactor.value, r_shadow_shadowmapping_polygonoffset.value);
+ GL_DepthMask(true);
+ GL_DepthTest(true);
+
+init_done:
+ R_SetViewport(&viewport);
+ flipped = (side & 1) ^ (side >> 2);
+ r_refdef.view.cullface_front = flipped ? r_shadow_cullface_back : r_shadow_cullface_front;
+ r_refdef.view.cullface_back = flipped ? r_shadow_cullface_front : r_shadow_cullface_back;
+ switch(vid.renderpath)
+ {
+ case RENDERPATH_GL11:
+ case RENDERPATH_GL13:
+ case RENDERPATH_GL20:
+ case RENDERPATH_SOFT:
+ case RENDERPATH_GLES1:
+ case RENDERPATH_GLES2:
+ GL_CullFace(r_refdef.view.cullface_back);
+ // OpenGL lets us scissor larger than the viewport, so go ahead and clear all views at once
+ if ((clear & ((2 << side) - 1)) == (1 << side)) // only clear if the side is the first in the mask
+ {
+ // get tightest scissor rectangle that encloses all viewports in the clear mask
+ int x1 = clear & 0x15 ? 0 : size;
+ int x2 = clear & 0x2A ? 2 * size : size;
+ int y1 = clear & 0x03 ? 0 : (clear & 0xC ? size : 2 * size);
+ int y2 = clear & 0x30 ? 3 * size : (clear & 0xC ? 2 * size : size);
+ GL_Scissor(x1, y1, x2 - x1, y2 - y1);
+ GL_Clear(GL_DEPTH_BUFFER_BIT, NULL, 1.0f, 0);
+ }
+ GL_Scissor(viewport.x, viewport.y, viewport.width, viewport.height);
+ break;
+ case RENDERPATH_D3D9:
+ case RENDERPATH_D3D10:
+ case RENDERPATH_D3D11:
+ Vector4Set(clearcolor, 1,1,1,1);
+ // completely different meaning than in OpenGL path
+ r_shadow_shadowmap_parameters[1] = 0;
+ r_shadow_shadowmap_parameters[3] = -bias;
+ // we invert the cull mode because we flip the projection matrix
+ // NOTE: this actually does nothing because the DrawShadowMap code sets it to doublesided...
+ GL_CullFace(r_refdef.view.cullface_front);
+ // D3D considers it an error to use a scissor larger than the viewport... clear just this view
+ GL_Scissor(viewport.x, viewport.y, viewport.width, viewport.height);
+ if (r_shadow_shadowmapsampler)
+ {
+ GL_ColorMask(0,0,0,0);
+ if (clear)
+ GL_Clear(GL_DEPTH_BUFFER_BIT, clearcolor, 1.0f, 0);
+ }
+ else
+ {
+ GL_ColorMask(1,1,1,1);
+ if (clear)
+ GL_Clear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT, clearcolor, 1.0f, 0);
+ }
+ break;
+ }
+}
+
+void R_Shadow_RenderMode_Lighting(qboolean stenciltest, qboolean transparent, qboolean shadowmapping)
+{
+ R_Mesh_ResetTextureState();
+ R_Mesh_SetMainRenderTargets();
+ if (transparent)
+ {
+ r_shadow_lightscissor[0] = r_refdef.view.viewport.x;
+ r_shadow_lightscissor[1] = r_refdef.view.viewport.y;
+ r_shadow_lightscissor[2] = r_refdef.view.viewport.width;
+ r_shadow_lightscissor[3] = r_refdef.view.viewport.height;
+ }
+ R_Shadow_RenderMode_Reset();
+ GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
+ if (!transparent)
+ GL_DepthFunc(GL_EQUAL);
+ // do global setup needed for the chosen lighting mode
+ if (r_shadow_rendermode == R_SHADOW_RENDERMODE_LIGHT_GLSL)
+ GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 0);
+ r_shadow_usingshadowmap2d = shadowmapping;
+ r_shadow_rendermode = r_shadow_lightingrendermode;
+ // only draw light where this geometry was already rendered AND the
+ // stencil is 128 (values other than this mean shadow)
+ if (stenciltest)
+ R_SetStencil(true, 255, GL_KEEP, GL_KEEP, GL_KEEP, GL_EQUAL, 128, 255);
+ else
+ R_SetStencil(false, 255, GL_KEEP, GL_KEEP, GL_KEEP, GL_ALWAYS, 128, 255);
+}
+
+static const unsigned short bboxelements[36] =
+{
+ 5, 1, 3, 5, 3, 7,
+ 6, 2, 0, 6, 0, 4,
+ 7, 3, 2, 7, 2, 6,
+ 4, 0, 1, 4, 1, 5,
+ 4, 5, 7, 4, 7, 6,
+ 1, 0, 2, 1, 2, 3,
+};
+
+static const float bboxpoints[8][3] =
+{
+ {-1,-1,-1},
+ { 1,-1,-1},
+ {-1, 1,-1},
+ { 1, 1,-1},
+ {-1,-1, 1},
+ { 1,-1, 1},
+ {-1, 1, 1},
+ { 1, 1, 1},
+};
+
+void R_Shadow_RenderMode_DrawDeferredLight(qboolean stenciltest, qboolean shadowmapping)
+{
+ int i;
+ float vertex3f[8*3];
+ const matrix4x4_t *matrix = &rsurface.rtlight->matrix_lighttoworld;
+// do global setup needed for the chosen lighting mode
+ R_Shadow_RenderMode_Reset();
+ r_shadow_rendermode = r_shadow_lightingrendermode;
+ R_EntityMatrix(&identitymatrix);
+ GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
+ // only draw light where this geometry was already rendered AND the
+ // stencil is 128 (values other than this mean shadow)
+ R_SetStencil(stenciltest, 255, GL_KEEP, GL_KEEP, GL_KEEP, GL_EQUAL, 128, 255);
+ if (rsurface.rtlight->specularscale > 0 && r_shadow_gloss.integer > 0)
+ R_Mesh_SetRenderTargets(r_shadow_prepasslightingdiffusespecularfbo, r_shadow_prepassgeometrydepthtexture, r_shadow_prepasslightingdiffusetexture, r_shadow_prepasslightingspeculartexture, NULL, NULL);
+ else
+ R_Mesh_SetRenderTargets(r_shadow_prepasslightingdiffusefbo, r_shadow_prepassgeometrydepthtexture, r_shadow_prepasslightingdiffusetexture, NULL, NULL, NULL);
+
+ r_shadow_usingshadowmap2d = shadowmapping;
+
+ // render the lighting
+ R_SetupShader_DeferredLight(rsurface.rtlight);
+ for (i = 0;i < 8;i++)
+ Matrix4x4_Transform(matrix, bboxpoints[i], vertex3f + i*3);
+ GL_ColorMask(1,1,1,1);
+ GL_DepthMask(false);
+ GL_DepthRange(0, 1);
+ GL_PolygonOffset(0, 0);
+ GL_DepthTest(true);
+ GL_DepthFunc(GL_GREATER);
+ GL_CullFace(r_refdef.view.cullface_back);
+ R_Mesh_PrepareVertices_Vertex3f(8, vertex3f, NULL);
+ R_Mesh_Draw(0, 8, 0, 12, NULL, NULL, 0, bboxelements, NULL, 0);
+}
+
+void R_Shadow_UpdateBounceGridTexture(void)
+{
+#define MAXBOUNCEGRIDPARTICLESPERLIGHT 1048576
+ dlight_t *light;
+ int flag = r_refdef.scene.rtworld ? LIGHTFLAG_REALTIMEMODE : LIGHTFLAG_NORMALMODE;
+ int bouncecount;
+ int hitsupercontentsmask;
+ int maxbounce;
+ int numpixels;
+ int resolution[3];
+ int shootparticles;
+ int shotparticles;
+ int photoncount;
+ int tex[3];
+ trace_t cliptrace;
+ //trace_t cliptrace2;
+ //trace_t cliptrace3;
+ unsigned char *pixel;
+ unsigned char *pixels;
+ float *highpixel;
+ float *highpixels;
+ unsigned int lightindex;
+ unsigned int range;
+ unsigned int range1;
+ unsigned int range2;
+ unsigned int seed = (unsigned int)(realtime * 1000.0f);
+ vec3_t shotcolor;
+ vec3_t baseshotcolor;
+ vec3_t surfcolor;
+ vec3_t clipend;
+ vec3_t clipstart;
+ vec3_t clipdiff;
+ vec3_t ispacing;
+ vec3_t maxs;
+ vec3_t mins;
+ vec3_t size;
+ vec3_t spacing;
+ vec3_t lightcolor;
+ vec3_t steppos;
+ vec3_t stepdelta;
+ vec3_t cullmins, cullmaxs;
+ vec_t radius;
+ vec_t s;
+ vec_t lightintensity;
+ vec_t photonscaling;
+ vec_t photonresidual;
+ float m[16];
+ float texlerp[2][3];
+ float splatcolor[32];
+ float pixelweight[8];
+ float w;
+ int c[4];
+ int pixelindex[8];
+ int corner;
+ int pixelsperband;
+ int pixelband;
+ int pixelbands;
+ int numsteps;
+ int step;
+ int x, y, z;
+ rtlight_t *rtlight;
+ r_shadow_bouncegrid_settings_t settings;
+ qboolean enable = r_shadow_bouncegrid.integer != 0 && r_refdef.scene.worldmodel;
+ qboolean allowdirectionalshading = false;
+ switch(vid.renderpath)
+ {
+ case RENDERPATH_GL20:
+ allowdirectionalshading = true;
+ if (!vid.support.ext_texture_3d)
+ return;
+ break;
+ case RENDERPATH_GLES2:
+ // for performance reasons, do not use directional shading on GLES devices
+ if (!vid.support.ext_texture_3d)
+ return;
+ break;
+ // these renderpaths do not currently have the code to display the bouncegrid, so disable it on them...
+ case RENDERPATH_GL11:
+ case RENDERPATH_GL13:
+ case RENDERPATH_GLES1:
+ case RENDERPATH_SOFT:
+ case RENDERPATH_D3D9:
+ case RENDERPATH_D3D10:
+ case RENDERPATH_D3D11:
+ return;
+ }
+
+ r_shadow_bouncegridintensity = r_shadow_bouncegrid_intensity.value;
+
+ // see if there are really any lights to render...
+ if (enable && r_shadow_bouncegrid_static.integer)
+ {
+ enable = false;
+ range = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray); // checked
+ for (lightindex = 0;lightindex < range;lightindex++)
+ {
+ light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex);
+ if (!light || !(light->flags & flag))
+ continue;
+ rtlight = &light->rtlight;
+ // when static, we skip styled lights because they tend to change...
+ if (rtlight->style > 0)
+ continue;
+ VectorScale(rtlight->color, (rtlight->ambientscale + rtlight->diffusescale + rtlight->specularscale), lightcolor);
+ if (!VectorLength2(lightcolor))
+ continue;
+ enable = true;
+ break;
+ }
+ }
+
+ if (!enable)
+ {
+ if (r_shadow_bouncegridtexture)
+ {
+ R_FreeTexture(r_shadow_bouncegridtexture);
+ r_shadow_bouncegridtexture = NULL;
+ }
+ if (r_shadow_bouncegridpixels)
+ Mem_Free(r_shadow_bouncegridpixels);
+ r_shadow_bouncegridpixels = NULL;
+ if (r_shadow_bouncegridhighpixels)
+ Mem_Free(r_shadow_bouncegridhighpixels);
+ r_shadow_bouncegridhighpixels = NULL;
+ r_shadow_bouncegridnumpixels = 0;
+ r_shadow_bouncegriddirectional = false;
+ return;
+ }
+
+ // build up a complete collection of the desired settings, so that memcmp can be used to compare parameters
+ memset(&settings, 0, sizeof(settings));
+ settings.staticmode = r_shadow_bouncegrid_static.integer != 0;
+ settings.bounceanglediffuse = r_shadow_bouncegrid_bounceanglediffuse.integer != 0;
+ settings.directionalshading = (r_shadow_bouncegrid_static.integer != 0 ? r_shadow_bouncegrid_static_directionalshading.integer != 0 : r_shadow_bouncegrid_directionalshading.integer != 0) && allowdirectionalshading;
+ settings.dlightparticlemultiplier = r_shadow_bouncegrid_dlightparticlemultiplier.value;
+ settings.hitmodels = r_shadow_bouncegrid_hitmodels.integer != 0;
+ settings.includedirectlighting = r_shadow_bouncegrid_includedirectlighting.integer != 0 || r_shadow_bouncegrid.integer == 2;
+ settings.lightradiusscale = (r_shadow_bouncegrid_static.integer != 0 ? r_shadow_bouncegrid_static_lightradiusscale.value : r_shadow_bouncegrid_lightradiusscale.value);
+ settings.maxbounce = (r_shadow_bouncegrid_static.integer != 0 ? r_shadow_bouncegrid_static_maxbounce.integer : r_shadow_bouncegrid_maxbounce.integer);
+ settings.particlebounceintensity = r_shadow_bouncegrid_particlebounceintensity.value;
+ settings.particleintensity = r_shadow_bouncegrid_particleintensity.value * 16384.0f * (settings.directionalshading ? 4.0f : 1.0f) / (r_shadow_bouncegrid_spacing.value * r_shadow_bouncegrid_spacing.value);
+ settings.photons = r_shadow_bouncegrid_static.integer ? r_shadow_bouncegrid_static_photons.integer : r_shadow_bouncegrid_photons.integer;
+ settings.spacing[0] = r_shadow_bouncegrid_spacing.value;
+ settings.spacing[1] = r_shadow_bouncegrid_spacing.value;
+ settings.spacing[2] = r_shadow_bouncegrid_spacing.value;
+ settings.stablerandom = r_shadow_bouncegrid_stablerandom.integer;
+
+ // bound the values for sanity
+ settings.photons = bound(1, settings.photons, 1048576);
+ settings.lightradiusscale = bound(0.0001f, settings.lightradiusscale, 1024.0f);
+ settings.maxbounce = bound(0, settings.maxbounce, 16);
+ settings.spacing[0] = bound(1, settings.spacing[0], 512);
+ settings.spacing[1] = bound(1, settings.spacing[1], 512);
+ settings.spacing[2] = bound(1, settings.spacing[2], 512);
+
+ // get the spacing values
+ spacing[0] = settings.spacing[0];
+ spacing[1] = settings.spacing[1];
+ spacing[2] = settings.spacing[2];
+ ispacing[0] = 1.0f / spacing[0];
+ ispacing[1] = 1.0f / spacing[1];
+ ispacing[2] = 1.0f / spacing[2];
+
+ // calculate texture size enclosing entire world bounds at the spacing
+ VectorMA(r_refdef.scene.worldmodel->normalmins, -2.0f, spacing, mins);
+ VectorMA(r_refdef.scene.worldmodel->normalmaxs, 2.0f, spacing, maxs);
+ VectorSubtract(maxs, mins, size);
+ // now we can calculate the resolution we want
+ c[0] = (int)floor(size[0] / spacing[0] + 0.5f);
+ c[1] = (int)floor(size[1] / spacing[1] + 0.5f);
+ c[2] = (int)floor(size[2] / spacing[2] + 0.5f);
+ // figure out the exact texture size (honoring power of 2 if required)
+ c[0] = bound(4, c[0], (int)vid.maxtexturesize_3d);
+ c[1] = bound(4, c[1], (int)vid.maxtexturesize_3d);
+ c[2] = bound(4, c[2], (int)vid.maxtexturesize_3d);
+ if (vid.support.arb_texture_non_power_of_two)
+ {
+ resolution[0] = c[0];
+ resolution[1] = c[1];
+ resolution[2] = c[2];
+ }
+ else
+ {
+ for (resolution[0] = 4;resolution[0] < c[0];resolution[0]*=2) ;
+ for (resolution[1] = 4;resolution[1] < c[1];resolution[1]*=2) ;
+ for (resolution[2] = 4;resolution[2] < c[2];resolution[2]*=2) ;
+ }
+ size[0] = spacing[0] * resolution[0];
+ size[1] = spacing[1] * resolution[1];
+ size[2] = spacing[2] * resolution[2];
+
+ // if dynamic we may or may not want to use the world bounds
+ // if the dynamic size is smaller than the world bounds, use it instead
+ if (!settings.staticmode && (r_shadow_bouncegrid_x.integer * r_shadow_bouncegrid_y.integer * r_shadow_bouncegrid_z.integer < resolution[0] * resolution[1] * resolution[2]))
+ {
+ // we know the resolution we want
+ c[0] = r_shadow_bouncegrid_x.integer;
+ c[1] = r_shadow_bouncegrid_y.integer;
+ c[2] = r_shadow_bouncegrid_z.integer;
+ // now we can calculate the texture size (power of 2 if required)
+ c[0] = bound(4, c[0], (int)vid.maxtexturesize_3d);
+ c[1] = bound(4, c[1], (int)vid.maxtexturesize_3d);
+ c[2] = bound(4, c[2], (int)vid.maxtexturesize_3d);
+ if (vid.support.arb_texture_non_power_of_two)
+ {
+ resolution[0] = c[0];
+ resolution[1] = c[1];
+ resolution[2] = c[2];
+ }
+ else
+ {
+ for (resolution[0] = 4;resolution[0] < c[0];resolution[0]*=2) ;
+ for (resolution[1] = 4;resolution[1] < c[1];resolution[1]*=2) ;
+ for (resolution[2] = 4;resolution[2] < c[2];resolution[2]*=2) ;
+ }
+ size[0] = spacing[0] * resolution[0];
+ size[1] = spacing[1] * resolution[1];
+ size[2] = spacing[2] * resolution[2];
+ // center the rendering on the view
+ mins[0] = floor(r_refdef.view.origin[0] * ispacing[0] + 0.5f) * spacing[0] - 0.5f * size[0];
+ mins[1] = floor(r_refdef.view.origin[1] * ispacing[1] + 0.5f) * spacing[1] - 0.5f * size[1];
+ mins[2] = floor(r_refdef.view.origin[2] * ispacing[2] + 0.5f) * spacing[2] - 0.5f * size[2];
+ }
+
+ // recalculate the maxs in case the resolution was not satisfactory
+ VectorAdd(mins, size, maxs);
+
+ // if all the settings seem identical to the previous update, return
+ if (r_shadow_bouncegridtexture && (settings.staticmode || realtime < r_shadow_bouncegridtime + r_shadow_bouncegrid_updateinterval.value) && !memcmp(&r_shadow_bouncegridsettings, &settings, sizeof(settings)))
+ return;
+
+ // store the new settings
+ r_shadow_bouncegridsettings = settings;
+
+ pixelbands = settings.directionalshading ? 8 : 1;
+ pixelsperband = resolution[0]*resolution[1]*resolution[2];
+ numpixels = pixelsperband*pixelbands;
+
+ // we're going to update the bouncegrid, update the matrix...
+ memset(m, 0, sizeof(m));
+ m[0] = 1.0f / size[0];
+ m[3] = -mins[0] * m[0];
+ m[5] = 1.0f / size[1];
+ m[7] = -mins[1] * m[5];
+ m[10] = 1.0f / size[2];
+ m[11] = -mins[2] * m[10];
+ m[15] = 1.0f;
+ Matrix4x4_FromArrayFloatD3D(&r_shadow_bouncegridmatrix, m);
+ // reallocate pixels for this update if needed...
+ if (r_shadow_bouncegridnumpixels != numpixels || !r_shadow_bouncegridpixels || !r_shadow_bouncegridhighpixels)
+ {
+ if (r_shadow_bouncegridtexture)
+ {
+ R_FreeTexture(r_shadow_bouncegridtexture);
+ r_shadow_bouncegridtexture = NULL;
+ }
+ r_shadow_bouncegridpixels = (unsigned char *)Mem_Realloc(r_main_mempool, r_shadow_bouncegridpixels, numpixels * sizeof(unsigned char[4]));
+ r_shadow_bouncegridhighpixels = (float *)Mem_Realloc(r_main_mempool, r_shadow_bouncegridhighpixels, numpixels * sizeof(float[4]));
+ }
+ r_shadow_bouncegridnumpixels = numpixels;
+ pixels = r_shadow_bouncegridpixels;
+ highpixels = r_shadow_bouncegridhighpixels;
+ x = pixelsperband*4;
+ for (pixelband = 0;pixelband < pixelbands;pixelband++)
+ {
+ if (pixelband == 1)
+ memset(pixels + pixelband * x, 128, x);
+ else
+ memset(pixels + pixelband * x, 0, x);
+ }
+ memset(highpixels, 0, numpixels * sizeof(float[4]));
+ // figure out what we want to interact with
+ if (settings.hitmodels)
+ hitsupercontentsmask = SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY;// | SUPERCONTENTS_LIQUIDSMASK;
+ else
+ hitsupercontentsmask = SUPERCONTENTS_SOLID;// | SUPERCONTENTS_LIQUIDSMASK;
+ maxbounce = settings.maxbounce;
+ // clear variables that produce warnings otherwise
+ memset(splatcolor, 0, sizeof(splatcolor));
+ // iterate world rtlights
+ range = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray); // checked
+ range1 = settings.staticmode ? 0 : r_refdef.scene.numlights;
+ range2 = range + range1;
+ photoncount = 0;
+ for (lightindex = 0;lightindex < range2;lightindex++)
+ {
+ if (lightindex < range)
+ {
+ light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex);
+ if (!light)
+ continue;
+ rtlight = &light->rtlight;
+ VectorClear(rtlight->photoncolor);
+ rtlight->photons = 0;
+ if (!(light->flags & flag))
+ continue;
+ if (settings.staticmode)
+ {
+ // when static, we skip styled lights because they tend to change...
+ if (rtlight->style > 0 && r_shadow_bouncegrid.integer != 2)
+ continue;
+ }
+ }
+ else
+ {
+ rtlight = r_refdef.scene.lights[lightindex - range];
+ VectorClear(rtlight->photoncolor);
+ rtlight->photons = 0;
+ }
+ // draw only visible lights (major speedup)
+ radius = rtlight->radius * settings.lightradiusscale;
+ cullmins[0] = rtlight->shadoworigin[0] - radius;
+ cullmins[1] = rtlight->shadoworigin[1] - radius;
+ cullmins[2] = rtlight->shadoworigin[2] - radius;
+ cullmaxs[0] = rtlight->shadoworigin[0] + radius;
+ cullmaxs[1] = rtlight->shadoworigin[1] + radius;
+ cullmaxs[2] = rtlight->shadoworigin[2] + radius;
+ if (R_CullBox(cullmins, cullmaxs))
+ continue;
+ if (r_refdef.scene.worldmodel
+ && r_refdef.scene.worldmodel->brush.BoxTouchingVisibleLeafs
+ && !r_refdef.scene.worldmodel->brush.BoxTouchingVisibleLeafs(r_refdef.scene.worldmodel, r_refdef.viewcache.world_leafvisible, cullmins, cullmaxs))
+ continue;
+ w = r_shadow_lightintensityscale.value * (rtlight->ambientscale + rtlight->diffusescale + rtlight->specularscale);
+ if (w * VectorLength2(rtlight->color) == 0.0f)
+ continue;
+ w *= (rtlight->style >= 0 ? r_refdef.scene.rtlightstylevalue[rtlight->style] : 1);
+ VectorScale(rtlight->color, w, rtlight->photoncolor);
+ //if (!VectorLength2(rtlight->photoncolor))
+ // continue;
+ // shoot particles from this light
+ // use a calculation for the number of particles that will not
+ // vary with lightstyle, otherwise we get randomized particle
+ // distribution, the seeded random is only consistent for a
+ // consistent number of particles on this light...
+ s = rtlight->radius;
+ lightintensity = VectorLength(rtlight->color) * (rtlight->ambientscale + rtlight->diffusescale + rtlight->specularscale);
+ if (lightindex >= range)
+ lightintensity *= settings.dlightparticlemultiplier;
+ rtlight->photons = max(0.0f, lightintensity * s * s);
+ photoncount += rtlight->photons;
+ }
+ photonscaling = (float)settings.photons / max(1, photoncount);
+ photonresidual = 0.0f;
+ for (lightindex = 0;lightindex < range2;lightindex++)
+ {
+ if (lightindex < range)
+ {
+ light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex);
+ if (!light)
+ continue;
+ rtlight = &light->rtlight;
+ }
+ else
+ rtlight = r_refdef.scene.lights[lightindex - range];
+ // skip a light with no photons
+ if (rtlight->photons == 0.0f)
+ continue;
+ // skip a light with no photon color)
+ if (VectorLength2(rtlight->photoncolor) == 0.0f)
+ continue;
+ photonresidual += rtlight->photons * photonscaling;
+ shootparticles = (int)bound(0, photonresidual, MAXBOUNCEGRIDPARTICLESPERLIGHT);
+ if (!shootparticles)
+ continue;
+ photonresidual -= shootparticles;
+ radius = rtlight->radius * settings.lightradiusscale;
+ s = settings.particleintensity / shootparticles;
+ VectorScale(rtlight->photoncolor, s, baseshotcolor);
+ r_refdef.stats.bouncegrid_lights++;
+ r_refdef.stats.bouncegrid_particles += shootparticles;
+ for (shotparticles = 0;shotparticles < shootparticles;shotparticles++)
+ {
+ if (settings.stablerandom > 0)
+ seed = lightindex * 11937 + shotparticles;
+ VectorCopy(baseshotcolor, shotcolor);
+ VectorCopy(rtlight->shadoworigin, clipstart);
+ if (settings.stablerandom < 0)
+ VectorRandom(clipend);
+ else
+ VectorCheeseRandom(clipend);
+ VectorMA(clipstart, radius, clipend, clipend);
+ for (bouncecount = 0;;bouncecount++)
+ {
+ r_refdef.stats.bouncegrid_traces++;
+ //r_refdef.scene.worldmodel->TraceLineAgainstSurfaces(r_refdef.scene.worldmodel, NULL, NULL, &cliptrace, clipstart, clipend, hitsupercontentsmask);
+ //r_refdef.scene.worldmodel->TraceLine(r_refdef.scene.worldmodel, NULL, NULL, &cliptrace2, clipstart, clipend, hitsupercontentsmask);
+ //if (settings.staticmode)
+ // Collision_ClipLineToWorld(&cliptrace, cl.worldmodel, clipstart, clipend, hitsupercontentsmask, true);
+ //else
+ cliptrace = CL_TraceLine(clipstart, clipend, settings.staticmode ? MOVE_WORLDONLY : (settings.hitmodels ? MOVE_HITMODEL : MOVE_NOMONSTERS), NULL, hitsupercontentsmask, true, false, NULL, true, true);
+ if (bouncecount > 0 || settings.includedirectlighting)
+ {
+ // calculate second order spherical harmonics values (average, slopeX, slopeY, slopeZ)
+ // accumulate average shotcolor
+ w = VectorLength(shotcolor);
+ splatcolor[ 0] = shotcolor[0];
+ splatcolor[ 1] = shotcolor[1];
+ splatcolor[ 2] = shotcolor[2];
+ splatcolor[ 3] = 0.0f;
+ if (pixelbands > 1)
+ {
+ VectorSubtract(clipstart, cliptrace.endpos, clipdiff);
+ VectorNormalize(clipdiff);
+ // store bentnormal in case the shader has a use for it
+ splatcolor[ 4] = clipdiff[0] * w;
+ splatcolor[ 5] = clipdiff[1] * w;
+ splatcolor[ 6] = clipdiff[2] * w;
+ splatcolor[ 7] = w;
+ // accumulate directional contributions (+X, +Y, +Z, -X, -Y, -Z)
+ splatcolor[ 8] = shotcolor[0] * max(0.0f, clipdiff[0]);
+ splatcolor[ 9] = shotcolor[0] * max(0.0f, clipdiff[1]);
+ splatcolor[10] = shotcolor[0] * max(0.0f, clipdiff[2]);
+ splatcolor[11] = 0.0f;
+ splatcolor[12] = shotcolor[1] * max(0.0f, clipdiff[0]);
+ splatcolor[13] = shotcolor[1] * max(0.0f, clipdiff[1]);
+ splatcolor[14] = shotcolor[1] * max(0.0f, clipdiff[2]);
+ splatcolor[15] = 0.0f;
+ splatcolor[16] = shotcolor[2] * max(0.0f, clipdiff[0]);
+ splatcolor[17] = shotcolor[2] * max(0.0f, clipdiff[1]);
+ splatcolor[18] = shotcolor[2] * max(0.0f, clipdiff[2]);
+ splatcolor[19] = 0.0f;
+ splatcolor[20] = shotcolor[0] * max(0.0f, -clipdiff[0]);
+ splatcolor[21] = shotcolor[0] * max(0.0f, -clipdiff[1]);
+ splatcolor[22] = shotcolor[0] * max(0.0f, -clipdiff[2]);
+ splatcolor[23] = 0.0f;
+ splatcolor[24] = shotcolor[1] * max(0.0f, -clipdiff[0]);
+ splatcolor[25] = shotcolor[1] * max(0.0f, -clipdiff[1]);
+ splatcolor[26] = shotcolor[1] * max(0.0f, -clipdiff[2]);
+ splatcolor[27] = 0.0f;
+ splatcolor[28] = shotcolor[2] * max(0.0f, -clipdiff[0]);
+ splatcolor[29] = shotcolor[2] * max(0.0f, -clipdiff[1]);
+ splatcolor[30] = shotcolor[2] * max(0.0f, -clipdiff[2]);
+ splatcolor[31] = 0.0f;
+ }
+ // calculate the number of steps we need to traverse this distance
+ VectorSubtract(cliptrace.endpos, clipstart, stepdelta);
+ numsteps = (int)(VectorLength(stepdelta) * ispacing[0]);
+ numsteps = bound(1, numsteps, 1024);
+ w = 1.0f / numsteps;
+ VectorScale(stepdelta, w, stepdelta);
+ VectorMA(clipstart, 0.5f, stepdelta, steppos);
+ for (step = 0;step < numsteps;step++)
+ {
+ r_refdef.stats.bouncegrid_splats++;
+ // figure out which texture pixel this is in
+ texlerp[1][0] = ((steppos[0] - mins[0]) * ispacing[0]) - 0.5f;
+ texlerp[1][1] = ((steppos[1] - mins[1]) * ispacing[1]) - 0.5f;
+ texlerp[1][2] = ((steppos[2] - mins[2]) * ispacing[2]) - 0.5f;
+ tex[0] = (int)floor(texlerp[1][0]);
+ tex[1] = (int)floor(texlerp[1][1]);
+ tex[2] = (int)floor(texlerp[1][2]);
+ if (tex[0] >= 1 && tex[1] >= 1 && tex[2] >= 1 && tex[0] < resolution[0] - 2 && tex[1] < resolution[1] - 2 && tex[2] < resolution[2] - 2)
+ {
+ // it is within bounds... do the real work now
+ // calculate the lerp factors
+ texlerp[1][0] -= tex[0];
+ texlerp[1][1] -= tex[1];
+ texlerp[1][2] -= tex[2];
+ texlerp[0][0] = 1.0f - texlerp[1][0];
+ texlerp[0][1] = 1.0f - texlerp[1][1];
+ texlerp[0][2] = 1.0f - texlerp[1][2];
+ // calculate individual pixel indexes and weights
+ pixelindex[0] = (((tex[2] )*resolution[1]+tex[1] )*resolution[0]+tex[0] );pixelweight[0] = (texlerp[0][0]*texlerp[0][1]*texlerp[0][2]);
+ pixelindex[1] = (((tex[2] )*resolution[1]+tex[1] )*resolution[0]+tex[0]+1);pixelweight[1] = (texlerp[1][0]*texlerp[0][1]*texlerp[0][2]);
+ pixelindex[2] = (((tex[2] )*resolution[1]+tex[1]+1)*resolution[0]+tex[0] );pixelweight[2] = (texlerp[0][0]*texlerp[1][1]*texlerp[0][2]);
+ pixelindex[3] = (((tex[2] )*resolution[1]+tex[1]+1)*resolution[0]+tex[0]+1);pixelweight[3] = (texlerp[1][0]*texlerp[1][1]*texlerp[0][2]);
+ pixelindex[4] = (((tex[2]+1)*resolution[1]+tex[1] )*resolution[0]+tex[0] );pixelweight[4] = (texlerp[0][0]*texlerp[0][1]*texlerp[1][2]);
+ pixelindex[5] = (((tex[2]+1)*resolution[1]+tex[1] )*resolution[0]+tex[0]+1);pixelweight[5] = (texlerp[1][0]*texlerp[0][1]*texlerp[1][2]);
+ pixelindex[6] = (((tex[2]+1)*resolution[1]+tex[1]+1)*resolution[0]+tex[0] );pixelweight[6] = (texlerp[0][0]*texlerp[1][1]*texlerp[1][2]);
+ pixelindex[7] = (((tex[2]+1)*resolution[1]+tex[1]+1)*resolution[0]+tex[0]+1);pixelweight[7] = (texlerp[1][0]*texlerp[1][1]*texlerp[1][2]);
+ // update the 8 pixels...
+ for (pixelband = 0;pixelband < pixelbands;pixelband++)
+ {
+ for (corner = 0;corner < 8;corner++)
+ {
+ // calculate address for pixel
+ w = pixelweight[corner];
+ pixel = pixels + 4 * pixelindex[corner] + pixelband * pixelsperband * 4;
+ highpixel = highpixels + 4 * pixelindex[corner] + pixelband * pixelsperband * 4;
+ // add to the high precision pixel color
+ highpixel[0] += (splatcolor[pixelband*4+0]*w);
+ highpixel[1] += (splatcolor[pixelband*4+1]*w);
+ highpixel[2] += (splatcolor[pixelband*4+2]*w);
+ highpixel[3] += (splatcolor[pixelband*4+3]*w);
+ // flag the low precision pixel as needing to be updated
+ pixel[3] = 255;
+ // advance to next band of coefficients
+ //pixel += pixelsperband*4;
+ //highpixel += pixelsperband*4;
+ }
+ }
+ }
+ VectorAdd(steppos, stepdelta, steppos);
+ }
+ }
+ if (cliptrace.fraction >= 1.0f)
+ break;
+ r_refdef.stats.bouncegrid_hits++;
+ if (bouncecount >= maxbounce)
+ break;
+ // scale down shot color by bounce intensity and texture color (or 50% if no texture reported)
+ // also clamp the resulting color to never add energy, even if the user requests extreme values
+ if (cliptrace.hittexture && cliptrace.hittexture->currentskinframe)
+ VectorCopy(cliptrace.hittexture->currentskinframe->avgcolor, surfcolor);
+ else
+ VectorSet(surfcolor, 0.5f, 0.5f, 0.5f);
+ VectorScale(surfcolor, settings.particlebounceintensity, surfcolor);
+ surfcolor[0] = min(surfcolor[0], 1.0f);
+ surfcolor[1] = min(surfcolor[1], 1.0f);
+ surfcolor[2] = min(surfcolor[2], 1.0f);
+ VectorMultiply(shotcolor, surfcolor, shotcolor);
+ if (VectorLength2(baseshotcolor) == 0.0f)
+ break;
+ r_refdef.stats.bouncegrid_bounces++;
+ if (settings.bounceanglediffuse)
+ {
+ // random direction, primarily along plane normal
+ s = VectorDistance(cliptrace.endpos, clipend);
+ if (settings.stablerandom < 0)
+ VectorRandom(clipend);
+ else
+ VectorCheeseRandom(clipend);
+ VectorMA(cliptrace.plane.normal, 0.95f, clipend, clipend);
+ VectorNormalize(clipend);
+ VectorScale(clipend, s, clipend);
+ }
+ else
+ {
+ // reflect the remaining portion of the line across plane normal
+ VectorSubtract(clipend, cliptrace.endpos, clipdiff);
+ VectorReflect(clipdiff, 1.0, cliptrace.plane.normal, clipend);
+ }
+ // calculate the new line start and end
+ VectorCopy(cliptrace.endpos, clipstart);
+ VectorAdd(clipstart, clipend, clipend);
+ }
+ }
+ }
+ // generate pixels array from highpixels array
+ // skip first and last columns, rows, and layers as these are blank
+ // the pixel[3] value was written above, so we can use it to detect only pixels that need to be calculated
+ for (pixelband = 0;pixelband < pixelbands;pixelband++)
+ {
+ for (z = 1;z < resolution[2]-1;z++)
+ {
+ for (y = 1;y < resolution[1]-1;y++)
+ {
+ for (x = 1, pixelindex[0] = ((pixelband*resolution[2]+z)*resolution[1]+y)*resolution[0]+x, pixel = pixels + 4*pixelindex[0], highpixel = highpixels + 4*pixelindex[0];x < resolution[0]-1;x++, pixel += 4, highpixel += 4)
+ {
+ // only convert pixels that were hit by photons
+ if (pixel[3] == 255)
+ {
+ // normalize the bentnormal...
+ if (pixelband == 1)
+ {
+ VectorNormalize(highpixel);
+ c[0] = (int)(highpixel[0]*128.0f+128.0f);
+ c[1] = (int)(highpixel[1]*128.0f+128.0f);
+ c[2] = (int)(highpixel[2]*128.0f+128.0f);
+ c[3] = (int)(highpixel[3]*128.0f+128.0f);
+ }
+ else
+ {
+ c[0] = (int)(highpixel[0]*256.0f);
+ c[1] = (int)(highpixel[1]*256.0f);
+ c[2] = (int)(highpixel[2]*256.0f);
+ c[3] = (int)(highpixel[3]*256.0f);
+ }
+ pixel[2] = (unsigned char)bound(0, c[0], 255);
+ pixel[1] = (unsigned char)bound(0, c[1], 255);
+ pixel[0] = (unsigned char)bound(0, c[2], 255);
+ pixel[3] = (unsigned char)bound(0, c[3], 255);
+ }
+ }
+ }
+ }
+ }
+ if (r_shadow_bouncegridtexture && r_shadow_bouncegridresolution[0] == resolution[0] && r_shadow_bouncegridresolution[1] == resolution[1] && r_shadow_bouncegridresolution[2] == resolution[2] && r_shadow_bouncegriddirectional == settings.directionalshading)
+ R_UpdateTexture(r_shadow_bouncegridtexture, pixels, 0, 0, 0, resolution[0], resolution[1], resolution[2]*pixelbands);
+ else
+ {
+ VectorCopy(resolution, r_shadow_bouncegridresolution);
+ r_shadow_bouncegriddirectional = settings.directionalshading;
+ if (r_shadow_bouncegridtexture)
+ R_FreeTexture(r_shadow_bouncegridtexture);
+ r_shadow_bouncegridtexture = R_LoadTexture3D(r_shadow_texturepool, "bouncegrid", resolution[0], resolution[1], resolution[2]*pixelbands, pixels, TEXTYPE_BGRA, TEXF_CLAMP | TEXF_ALPHA | TEXF_FORCELINEAR, 0, NULL);
+ }
+ r_shadow_bouncegridtime = realtime;
+}
+
+void R_Shadow_RenderMode_VisibleShadowVolumes(void)
+{
+ R_Shadow_RenderMode_Reset();
+ GL_BlendFunc(GL_ONE, GL_ONE);
+ GL_DepthRange(0, 1);
+ GL_DepthTest(r_showshadowvolumes.integer < 2);
+ GL_Color(0.0, 0.0125 * r_refdef.view.colorscale, 0.1 * r_refdef.view.colorscale, 1);
+ GL_PolygonOffset(r_refdef.shadowpolygonfactor, r_refdef.shadowpolygonoffset);CHECKGLERROR
+ GL_CullFace(GL_NONE);
+ r_shadow_rendermode = R_SHADOW_RENDERMODE_VISIBLEVOLUMES;
+}
+
+void R_Shadow_RenderMode_VisibleLighting(qboolean stenciltest, qboolean transparent)
+{
+ R_Shadow_RenderMode_Reset();
+ GL_BlendFunc(GL_ONE, GL_ONE);
+ GL_DepthRange(0, 1);
+ GL_DepthTest(r_showlighting.integer < 2);
+ GL_Color(0.1 * r_refdef.view.colorscale, 0.0125 * r_refdef.view.colorscale, 0, 1);
+ if (!transparent)
+ GL_DepthFunc(GL_EQUAL);
+ R_SetStencil(stenciltest, 255, GL_KEEP, GL_KEEP, GL_KEEP, GL_EQUAL, 128, 255);
+ r_shadow_rendermode = R_SHADOW_RENDERMODE_VISIBLELIGHTING;
+}
+
+void R_Shadow_RenderMode_End(void)
+{
+ R_Shadow_RenderMode_Reset();
+ R_Shadow_RenderMode_ActiveLight(NULL);
+ GL_DepthMask(true);
+ GL_Scissor(r_refdef.view.viewport.x, r_refdef.view.viewport.y, r_refdef.view.viewport.width, r_refdef.view.viewport.height);
+ r_shadow_rendermode = R_SHADOW_RENDERMODE_NONE;
+}
+
+int bboxedges[12][2] =
+{
+ // top
+ {0, 1}, // +X
+ {0, 2}, // +Y
+ {1, 3}, // Y, +X
+ {2, 3}, // X, +Y
+ // bottom
+ {4, 5}, // +X
+ {4, 6}, // +Y
+ {5, 7}, // Y, +X
+ {6, 7}, // X, +Y
+ // verticals
+ {0, 4}, // +Z
+ {1, 5}, // X, +Z
+ {2, 6}, // Y, +Z
+ {3, 7}, // XY, +Z
+};
+
+qboolean R_Shadow_ScissorForBBox(const float *mins, const float *maxs)
+{
+ if (!r_shadow_scissor.integer || r_shadow_usingdeferredprepass || r_trippy.integer)
+ {
+ r_shadow_lightscissor[0] = r_refdef.view.viewport.x;
+ r_shadow_lightscissor[1] = r_refdef.view.viewport.y;
+ r_shadow_lightscissor[2] = r_refdef.view.viewport.width;
+ r_shadow_lightscissor[3] = r_refdef.view.viewport.height;
+ return false;
+ }
+ if(R_ScissorForBBox(mins, maxs, r_shadow_lightscissor))
+ return true; // invisible
+ if(r_shadow_lightscissor[0] != r_refdef.view.viewport.x
+ || r_shadow_lightscissor[1] != r_refdef.view.viewport.y
+ || r_shadow_lightscissor[2] != r_refdef.view.viewport.width
+ || r_shadow_lightscissor[3] != r_refdef.view.viewport.height)
+ r_refdef.stats.lights_scissored++;
+ return false;
+}
+
+static void R_Shadow_RenderLighting_Light_Vertex_Shading(int firstvertex, int numverts, const float *diffusecolor, const float *ambientcolor)
+{
+ int i;
+ const float *vertex3f;
+ const float *normal3f;
+ float *color4f;
+ float dist, dot, distintensity, shadeintensity, v[3], n[3];
+ switch (r_shadow_rendermode)
+ {
+ case R_SHADOW_RENDERMODE_LIGHT_VERTEX3DATTEN:
+ case R_SHADOW_RENDERMODE_LIGHT_VERTEX2D1DATTEN:
+ if (VectorLength2(diffusecolor) > 0)
+ {
+ for (i = 0, vertex3f = rsurface.batchvertex3f + 3*firstvertex, normal3f = rsurface.batchnormal3f + 3*firstvertex, color4f = rsurface.passcolor4f + 4 * firstvertex;i < numverts;i++, vertex3f += 3, normal3f += 3, color4f += 4)
+ {
+ Matrix4x4_Transform(&rsurface.entitytolight, vertex3f, v);
+ Matrix4x4_Transform3x3(&rsurface.entitytolight, normal3f, n);
+ if ((dot = DotProduct(n, v)) < 0)
+ {
+ shadeintensity = -dot / sqrt(VectorLength2(v) * VectorLength2(n));
+ VectorMA(ambientcolor, shadeintensity, diffusecolor, color4f);
+ }
+ else
+ VectorCopy(ambientcolor, color4f);
+ if (r_refdef.fogenabled)
+ {
+ float f;
+ f = RSurf_FogVertex(vertex3f);
+ VectorScale(color4f, f, color4f);
+ }
+ color4f[3] = 1;
+ }
+ }
+ else
+ {
+ for (i = 0, vertex3f = rsurface.batchvertex3f + 3*firstvertex, color4f = rsurface.passcolor4f + 4 * firstvertex;i < numverts;i++, vertex3f += 3, color4f += 4)
+ {
+ VectorCopy(ambientcolor, color4f);
+ if (r_refdef.fogenabled)
+ {
+ float f;
+ Matrix4x4_Transform(&rsurface.entitytolight, vertex3f, v);
+ f = RSurf_FogVertex(vertex3f);
+ VectorScale(color4f + 4*i, f, color4f);
+ }
+ color4f[3] = 1;
+ }
+ }
+ break;
+ case R_SHADOW_RENDERMODE_LIGHT_VERTEX2DATTEN:
+ if (VectorLength2(diffusecolor) > 0)
+ {
+ for (i = 0, vertex3f = rsurface.batchvertex3f + 3*firstvertex, normal3f = rsurface.batchnormal3f + 3*firstvertex, color4f = rsurface.passcolor4f + 4 * firstvertex;i < numverts;i++, vertex3f += 3, normal3f += 3, color4f += 4)
+ {
+ Matrix4x4_Transform(&rsurface.entitytolight, vertex3f, v);
+ if ((dist = fabs(v[2])) < 1 && (distintensity = r_shadow_attentable[(int)(dist * ATTENTABLESIZE)]))
+ {
+ Matrix4x4_Transform3x3(&rsurface.entitytolight, normal3f, n);
+ if ((dot = DotProduct(n, v)) < 0)
+ {
+ shadeintensity = -dot / sqrt(VectorLength2(v) * VectorLength2(n));
+ color4f[0] = (ambientcolor[0] + shadeintensity * diffusecolor[0]) * distintensity;
+ color4f[1] = (ambientcolor[1] + shadeintensity * diffusecolor[1]) * distintensity;
+ color4f[2] = (ambientcolor[2] + shadeintensity * diffusecolor[2]) * distintensity;
+ }
+ else
+ {
+ color4f[0] = ambientcolor[0] * distintensity;
+ color4f[1] = ambientcolor[1] * distintensity;
+ color4f[2] = ambientcolor[2] * distintensity;
+ }
+ if (r_refdef.fogenabled)
+ {
+ float f;
+ f = RSurf_FogVertex(vertex3f);
+ VectorScale(color4f, f, color4f);
+ }
+ }
+ else
+ VectorClear(color4f);
+ color4f[3] = 1;
+ }
+ }
+ else
+ {
+ for (i = 0, vertex3f = rsurface.batchvertex3f + 3*firstvertex, color4f = rsurface.passcolor4f + 4 * firstvertex;i < numverts;i++, vertex3f += 3, color4f += 4)
+ {
+ Matrix4x4_Transform(&rsurface.entitytolight, vertex3f, v);
+ if ((dist = fabs(v[2])) < 1 && (distintensity = r_shadow_attentable[(int)(dist * ATTENTABLESIZE)]))
+ {
+ color4f[0] = ambientcolor[0] * distintensity;
+ color4f[1] = ambientcolor[1] * distintensity;
+ color4f[2] = ambientcolor[2] * distintensity;
+ if (r_refdef.fogenabled)
+ {
+ float f;
+ f = RSurf_FogVertex(vertex3f);
+ VectorScale(color4f, f, color4f);
+ }
+ }
+ else
+ VectorClear(color4f);
+ color4f[3] = 1;
+ }
+ }
+ break;
+ case R_SHADOW_RENDERMODE_LIGHT_VERTEX:
+ if (VectorLength2(diffusecolor) > 0)
+ {
+ for (i = 0, vertex3f = rsurface.batchvertex3f + 3*firstvertex, normal3f = rsurface.batchnormal3f + 3*firstvertex, color4f = rsurface.passcolor4f + 4 * firstvertex;i < numverts;i++, vertex3f += 3, normal3f += 3, color4f += 4)
+ {
+ Matrix4x4_Transform(&rsurface.entitytolight, vertex3f, v);
+ if ((dist = VectorLength(v)) < 1 && (distintensity = r_shadow_attentable[(int)(dist * ATTENTABLESIZE)]))
+ {
+ distintensity = (1 - dist) * r_shadow_lightattenuationlinearscale.value / (r_shadow_lightattenuationdividebias.value + dist*dist);
+ Matrix4x4_Transform3x3(&rsurface.entitytolight, normal3f, n);
+ if ((dot = DotProduct(n, v)) < 0)
+ {
+ shadeintensity = -dot / sqrt(VectorLength2(v) * VectorLength2(n));
+ color4f[0] = (ambientcolor[0] + shadeintensity * diffusecolor[0]) * distintensity;
+ color4f[1] = (ambientcolor[1] + shadeintensity * diffusecolor[1]) * distintensity;
+ color4f[2] = (ambientcolor[2] + shadeintensity * diffusecolor[2]) * distintensity;
+ }
+ else
+ {
+ color4f[0] = ambientcolor[0] * distintensity;
+ color4f[1] = ambientcolor[1] * distintensity;
+ color4f[2] = ambientcolor[2] * distintensity;
+ }
+ if (r_refdef.fogenabled)
+ {
+ float f;
+ f = RSurf_FogVertex(vertex3f);
+ VectorScale(color4f, f, color4f);
+ }
+ }
+ else
+ VectorClear(color4f);
+ color4f[3] = 1;
+ }
+ }
+ else
+ {
+ for (i = 0, vertex3f = rsurface.batchvertex3f + 3*firstvertex, color4f = rsurface.passcolor4f + 4 * firstvertex;i < numverts;i++, vertex3f += 3, color4f += 4)
+ {
+ Matrix4x4_Transform(&rsurface.entitytolight, vertex3f, v);
+ if ((dist = VectorLength(v)) < 1 && (distintensity = r_shadow_attentable[(int)(dist * ATTENTABLESIZE)]))
+ {
+ distintensity = (1 - dist) * r_shadow_lightattenuationlinearscale.value / (r_shadow_lightattenuationdividebias.value + dist*dist);
+ color4f[0] = ambientcolor[0] * distintensity;
+ color4f[1] = ambientcolor[1] * distintensity;
+ color4f[2] = ambientcolor[2] * distintensity;
+ if (r_refdef.fogenabled)
+ {
+ float f;
+ f = RSurf_FogVertex(vertex3f);
+ VectorScale(color4f, f, color4f);
+ }
+ }
+ else
+ VectorClear(color4f);
+ color4f[3] = 1;
+ }
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+static void R_Shadow_RenderLighting_VisibleLighting(int texturenumsurfaces, const msurface_t **texturesurfacelist)
+{
+ // used to display how many times a surface is lit for level design purposes
+ RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_NOGAPS, texturenumsurfaces, texturesurfacelist);
+ R_Mesh_PrepareVertices_Generic_Arrays(rsurface.batchnumvertices, rsurface.batchvertex3f, NULL, NULL);
+ RSurf_DrawBatch();
+}
+
+static void R_Shadow_RenderLighting_Light_GLSL(int texturenumsurfaces, const msurface_t **texturesurfacelist, const vec3_t lightcolor, float ambientscale, float diffusescale, float specularscale)
+{
+ // ARB2 GLSL shader path (GFFX5200, Radeon 9500)
+ R_SetupShader_Surface(lightcolor, false, ambientscale, diffusescale, specularscale, RSURFPASS_RTLIGHT, texturenumsurfaces, texturesurfacelist, NULL, false);
+ RSurf_DrawBatch();
+}
+
+static void R_Shadow_RenderLighting_Light_Vertex_Pass(int firstvertex, int numvertices, int numtriangles, const int *element3i, vec3_t diffusecolor2, vec3_t ambientcolor2)
+{
+ int renders;
+ int i;
+ int stop;
+ int newfirstvertex;
+ int newlastvertex;
+ int newnumtriangles;
+ int *newe;
+ const int *e;
+ float *c;
+ int maxtriangles = 4096;
+ static int newelements[4096*3];
+ R_Shadow_RenderLighting_Light_Vertex_Shading(firstvertex, numvertices, diffusecolor2, ambientcolor2);
+ for (renders = 0;renders < 4;renders++)
+ {
+ stop = true;
+ newfirstvertex = 0;
+ newlastvertex = 0;
+ newnumtriangles = 0;
+ newe = newelements;
+ // due to low fillrate on the cards this vertex lighting path is
+ // designed for, we manually cull all triangles that do not
+ // contain a lit vertex
+ // this builds batches of triangles from multiple surfaces and
+ // renders them at once
+ for (i = 0, e = element3i;i < numtriangles;i++, e += 3)
+ {
+ if (VectorLength2(rsurface.passcolor4f + e[0] * 4) + VectorLength2(rsurface.passcolor4f + e[1] * 4) + VectorLength2(rsurface.passcolor4f + e[2] * 4) >= 0.01)
+ {
+ if (newnumtriangles)
+ {
+ newfirstvertex = min(newfirstvertex, e[0]);
+ newlastvertex = max(newlastvertex, e[0]);
+ }
+ else
+ {
+ newfirstvertex = e[0];
+ newlastvertex = e[0];
+ }
+ newfirstvertex = min(newfirstvertex, e[1]);
+ newlastvertex = max(newlastvertex, e[1]);
+ newfirstvertex = min(newfirstvertex, e[2]);
+ newlastvertex = max(newlastvertex, e[2]);
+ newe[0] = e[0];
+ newe[1] = e[1];
+ newe[2] = e[2];
+ newnumtriangles++;
+ newe += 3;
+ if (newnumtriangles >= maxtriangles)
+ {
+ R_Mesh_Draw(newfirstvertex, newlastvertex - newfirstvertex + 1, 0, newnumtriangles, newelements, NULL, 0, NULL, NULL, 0);
+ newnumtriangles = 0;
+ newe = newelements;
+ stop = false;
+ }
+ }
+ }
+ if (newnumtriangles >= 1)
+ {
+ R_Mesh_Draw(newfirstvertex, newlastvertex - newfirstvertex + 1, 0, newnumtriangles, newelements, NULL, 0, NULL, NULL, 0);
+ stop = false;
+ }
+ // if we couldn't find any lit triangles, exit early
+ if (stop)
+ break;
+ // now reduce the intensity for the next overbright pass
+ // we have to clamp to 0 here incase the drivers have improper
+ // handling of negative colors
+ // (some old drivers even have improper handling of >1 color)
+ stop = true;
+ for (i = 0, c = rsurface.passcolor4f + 4 * firstvertex;i < numvertices;i++, c += 4)
+ {
+ if (c[0] > 1 || c[1] > 1 || c[2] > 1)
+ {
+ c[0] = max(0, c[0] - 1);
+ c[1] = max(0, c[1] - 1);
+ c[2] = max(0, c[2] - 1);
+ stop = false;
+ }
+ else
+ VectorClear(c);
+ }
+ // another check...
+ if (stop)
+ break;
+ }
+}
+
+static void R_Shadow_RenderLighting_Light_Vertex(int texturenumsurfaces, const msurface_t **texturesurfacelist, const vec3_t lightcolor, float ambientscale, float diffusescale)
+{
+ // OpenGL 1.1 path (anything)
+ float ambientcolorbase[3], diffusecolorbase[3];
+ float ambientcolorpants[3], diffusecolorpants[3];
+ float ambientcolorshirt[3], diffusecolorshirt[3];
+ const float *surfacecolor = rsurface.texture->dlightcolor;
+ const float *surfacepants = rsurface.colormap_pantscolor;
+ const float *surfaceshirt = rsurface.colormap_shirtcolor;
+ rtexture_t *basetexture = rsurface.texture->basetexture;
+ rtexture_t *pantstexture = rsurface.texture->pantstexture;
+ rtexture_t *shirttexture = rsurface.texture->shirttexture;
+ qboolean dopants = pantstexture && VectorLength2(surfacepants) >= (1.0f / 1048576.0f);
+ qboolean doshirt = shirttexture && VectorLength2(surfaceshirt) >= (1.0f / 1048576.0f);
+ ambientscale *= 2 * r_refdef.view.colorscale;
+ diffusescale *= 2 * r_refdef.view.colorscale;
+ ambientcolorbase[0] = lightcolor[0] * ambientscale * surfacecolor[0];ambientcolorbase[1] = lightcolor[1] * ambientscale * surfacecolor[1];ambientcolorbase[2] = lightcolor[2] * ambientscale * surfacecolor[2];
+ diffusecolorbase[0] = lightcolor[0] * diffusescale * surfacecolor[0];diffusecolorbase[1] = lightcolor[1] * diffusescale * surfacecolor[1];diffusecolorbase[2] = lightcolor[2] * diffusescale * surfacecolor[2];
+ ambientcolorpants[0] = ambientcolorbase[0] * surfacepants[0];ambientcolorpants[1] = ambientcolorbase[1] * surfacepants[1];ambientcolorpants[2] = ambientcolorbase[2] * surfacepants[2];
+ diffusecolorpants[0] = diffusecolorbase[0] * surfacepants[0];diffusecolorpants[1] = diffusecolorbase[1] * surfacepants[1];diffusecolorpants[2] = diffusecolorbase[2] * surfacepants[2];
+ ambientcolorshirt[0] = ambientcolorbase[0] * surfaceshirt[0];ambientcolorshirt[1] = ambientcolorbase[1] * surfaceshirt[1];ambientcolorshirt[2] = ambientcolorbase[2] * surfaceshirt[2];
+ diffusecolorshirt[0] = diffusecolorbase[0] * surfaceshirt[0];diffusecolorshirt[1] = diffusecolorbase[1] * surfaceshirt[1];diffusecolorshirt[2] = diffusecolorbase[2] * surfaceshirt[2];
+ RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | (diffusescale > 0 ? BATCHNEED_ARRAY_NORMAL : 0) | BATCHNEED_ARRAY_TEXCOORD | BATCHNEED_NOGAPS, texturenumsurfaces, texturesurfacelist);
+ rsurface.passcolor4f = (float *)R_FrameData_Alloc((rsurface.batchfirstvertex + rsurface.batchnumvertices) * sizeof(float[4]));
+ R_Mesh_VertexPointer(3, GL_FLOAT, sizeof(float[3]), rsurface.batchvertex3f, rsurface.batchvertex3f_vertexbuffer, rsurface.batchvertex3f_bufferoffset);
+ R_Mesh_ColorPointer(4, GL_FLOAT, sizeof(float[4]), rsurface.passcolor4f, 0, 0);
+ R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), rsurface.batchtexcoordtexture2f, rsurface.batchtexcoordtexture2f_vertexbuffer, rsurface.batchtexcoordtexture2f_bufferoffset);
+ R_Mesh_TexBind(0, basetexture);
+ R_Mesh_TexMatrix(0, &rsurface.texture->currenttexmatrix);
+ R_Mesh_TexCombine(0, GL_MODULATE, GL_MODULATE, 1, 1);
+ switch(r_shadow_rendermode)
+ {
+ case R_SHADOW_RENDERMODE_LIGHT_VERTEX3DATTEN:
+ R_Mesh_TexBind(1, r_shadow_attenuation3dtexture);
+ R_Mesh_TexMatrix(1, &rsurface.entitytoattenuationxyz);
+ R_Mesh_TexCombine(1, GL_MODULATE, GL_MODULATE, 1, 1);
+ R_Mesh_TexCoordPointer(1, 3, GL_FLOAT, sizeof(float[3]), rsurface.batchvertex3f, rsurface.batchvertex3f_vertexbuffer, rsurface.batchvertex3f_bufferoffset);
+ break;
+ case R_SHADOW_RENDERMODE_LIGHT_VERTEX2D1DATTEN:
+ R_Mesh_TexBind(2, r_shadow_attenuation2dtexture);
+ R_Mesh_TexMatrix(2, &rsurface.entitytoattenuationz);
+ R_Mesh_TexCombine(2, GL_MODULATE, GL_MODULATE, 1, 1);
+ R_Mesh_TexCoordPointer(2, 3, GL_FLOAT, sizeof(float[3]), rsurface.batchvertex3f, rsurface.batchvertex3f_vertexbuffer, rsurface.batchvertex3f_bufferoffset);
+ // fall through
+ case R_SHADOW_RENDERMODE_LIGHT_VERTEX2DATTEN:
+ R_Mesh_TexBind(1, r_shadow_attenuation2dtexture);
+ R_Mesh_TexMatrix(1, &rsurface.entitytoattenuationxyz);
+ R_Mesh_TexCombine(1, GL_MODULATE, GL_MODULATE, 1, 1);
+ R_Mesh_TexCoordPointer(1, 3, GL_FLOAT, sizeof(float[3]), rsurface.batchvertex3f, rsurface.batchvertex3f_vertexbuffer, rsurface.batchvertex3f_bufferoffset);
+ break;
+ case R_SHADOW_RENDERMODE_LIGHT_VERTEX:
+ break;
+ default:
+ break;
+ }
+ //R_Mesh_TexBind(0, basetexture);
+ R_Shadow_RenderLighting_Light_Vertex_Pass(rsurface.batchfirstvertex, rsurface.batchnumvertices, rsurface.batchnumtriangles, rsurface.batchelement3i + 3*rsurface.batchfirsttriangle, diffusecolorbase, ambientcolorbase);
+ if (dopants)
+ {
+ R_Mesh_TexBind(0, pantstexture);
+ R_Shadow_RenderLighting_Light_Vertex_Pass(rsurface.batchfirstvertex, rsurface.batchnumvertices, rsurface.batchnumtriangles, rsurface.batchelement3i + 3*rsurface.batchfirsttriangle, diffusecolorpants, ambientcolorpants);
+ }
+ if (doshirt)
+ {
+ R_Mesh_TexBind(0, shirttexture);
+ R_Shadow_RenderLighting_Light_Vertex_Pass(rsurface.batchfirstvertex, rsurface.batchnumvertices, rsurface.batchnumtriangles, rsurface.batchelement3i + 3*rsurface.batchfirsttriangle, diffusecolorshirt, ambientcolorshirt);
+ }
+}
+
+extern cvar_t gl_lightmaps;
+void R_Shadow_RenderLighting(int texturenumsurfaces, const msurface_t **texturesurfacelist)
+{
+ float ambientscale, diffusescale, specularscale;
+ qboolean negated;
+ float lightcolor[3];
+ VectorCopy(rsurface.rtlight->currentcolor, lightcolor);
+ ambientscale = rsurface.rtlight->ambientscale;
+ diffusescale = rsurface.rtlight->diffusescale;
+ specularscale = rsurface.rtlight->specularscale * rsurface.texture->specularscale;
+ if (!r_shadow_usenormalmap.integer)
+ {
+ ambientscale += 1.0f * diffusescale;
+ diffusescale = 0;
+ specularscale = 0;
+ }
+ if ((ambientscale + diffusescale) * VectorLength2(lightcolor) + specularscale * VectorLength2(lightcolor) < (1.0f / 1048576.0f))
+ return;
+ negated = (lightcolor[0] + lightcolor[1] + lightcolor[2] < 0) && vid.support.ext_blend_subtract;
+ if(negated)
+ {
+ VectorNegate(lightcolor, lightcolor);
+ GL_BlendEquationSubtract(true);
+ }
+ RSurf_SetupDepthAndCulling();
+ switch (r_shadow_rendermode)
+ {
+ case R_SHADOW_RENDERMODE_VISIBLELIGHTING:
+ GL_DepthTest(!(rsurface.texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST) && !r_showdisabledepthtest.integer);
+ R_Shadow_RenderLighting_VisibleLighting(texturenumsurfaces, texturesurfacelist);
+ break;
+ case R_SHADOW_RENDERMODE_LIGHT_GLSL:
+ R_Shadow_RenderLighting_Light_GLSL(texturenumsurfaces, texturesurfacelist, lightcolor, ambientscale, diffusescale, specularscale);
+ break;
+ case R_SHADOW_RENDERMODE_LIGHT_VERTEX3DATTEN:
+ case R_SHADOW_RENDERMODE_LIGHT_VERTEX2D1DATTEN:
+ case R_SHADOW_RENDERMODE_LIGHT_VERTEX2DATTEN:
+ case R_SHADOW_RENDERMODE_LIGHT_VERTEX:
+ R_Shadow_RenderLighting_Light_Vertex(texturenumsurfaces, texturesurfacelist, lightcolor, ambientscale, diffusescale);
+ break;
+ default:
+ Con_Printf("R_Shadow_RenderLighting: unknown r_shadow_rendermode %i\n", r_shadow_rendermode);
+ break;
+ }
+ if(negated)
+ GL_BlendEquationSubtract(false);
+}
+
+void R_RTLight_Update(rtlight_t *rtlight, int isstatic, matrix4x4_t *matrix, vec3_t color, int style, const char *cubemapname, int shadow, vec_t corona, vec_t coronasizescale, vec_t ambientscale, vec_t diffusescale, vec_t specularscale, int flags)
+{
+ matrix4x4_t tempmatrix = *matrix;
+ Matrix4x4_Scale(&tempmatrix, r_shadow_lightradiusscale.value, 1);
+
+ // if this light has been compiled before, free the associated data
+ R_RTLight_Uncompile(rtlight);
+
+ // clear it completely to avoid any lingering data
+ memset(rtlight, 0, sizeof(*rtlight));
+
+ // copy the properties
+ rtlight->matrix_lighttoworld = tempmatrix;
+ Matrix4x4_Invert_Simple(&rtlight->matrix_worldtolight, &tempmatrix);
+ Matrix4x4_OriginFromMatrix(&tempmatrix, rtlight->shadoworigin);
+ rtlight->radius = Matrix4x4_ScaleFromMatrix(&tempmatrix);
+ VectorCopy(color, rtlight->color);
+ rtlight->cubemapname[0] = 0;
+ if (cubemapname && cubemapname[0])
+ strlcpy(rtlight->cubemapname, cubemapname, sizeof(rtlight->cubemapname));
+ rtlight->shadow = shadow;
+ rtlight->corona = corona;
+ rtlight->style = style;
+ rtlight->isstatic = isstatic;
+ rtlight->coronasizescale = coronasizescale;
+ rtlight->ambientscale = ambientscale;
+ rtlight->diffusescale = diffusescale;
+ rtlight->specularscale = specularscale;
+ rtlight->flags = flags;
+
+ // compute derived data
+ //rtlight->cullradius = rtlight->radius;
+ //rtlight->cullradius2 = rtlight->radius * rtlight->radius;
+ rtlight->cullmins[0] = rtlight->shadoworigin[0] - rtlight->radius;
+ rtlight->cullmins[1] = rtlight->shadoworigin[1] - rtlight->radius;
+ rtlight->cullmins[2] = rtlight->shadoworigin[2] - rtlight->radius;
+ rtlight->cullmaxs[0] = rtlight->shadoworigin[0] + rtlight->radius;
+ rtlight->cullmaxs[1] = rtlight->shadoworigin[1] + rtlight->radius;
+ rtlight->cullmaxs[2] = rtlight->shadoworigin[2] + rtlight->radius;
+}
+
+// compiles rtlight geometry
+// (undone by R_FreeCompiledRTLight, which R_UpdateLight calls)
+void R_RTLight_Compile(rtlight_t *rtlight)
+{
+ int i;
+ int numsurfaces, numleafs, numleafpvsbytes, numshadowtrispvsbytes, numlighttrispvsbytes;
+ int lighttris, shadowtris, shadowzpasstris, shadowzfailtris;
+ entity_render_t *ent = r_refdef.scene.worldentity;
+ dp_model_t *model = r_refdef.scene.worldmodel;
+ unsigned char *data;
+ shadowmesh_t *mesh;
+
+ // compile the light
+ rtlight->compiled = true;
+ rtlight->shadowmode = rtlight->shadow ? (int)r_shadow_shadowmode : -1;
+ rtlight->static_numleafs = 0;
+ rtlight->static_numleafpvsbytes = 0;
+ rtlight->static_leaflist = NULL;
+ rtlight->static_leafpvs = NULL;
+ rtlight->static_numsurfaces = 0;
+ rtlight->static_surfacelist = NULL;
+ rtlight->static_shadowmap_receivers = 0x3F;
+ rtlight->static_shadowmap_casters = 0x3F;
+ rtlight->cullmins[0] = rtlight->shadoworigin[0] - rtlight->radius;
+ rtlight->cullmins[1] = rtlight->shadoworigin[1] - rtlight->radius;
+ rtlight->cullmins[2] = rtlight->shadoworigin[2] - rtlight->radius;
+ rtlight->cullmaxs[0] = rtlight->shadoworigin[0] + rtlight->radius;
+ rtlight->cullmaxs[1] = rtlight->shadoworigin[1] + rtlight->radius;
+ rtlight->cullmaxs[2] = rtlight->shadoworigin[2] + rtlight->radius;
+
+ if (model && model->GetLightInfo)
+ {
+ // this variable must be set for the CompileShadowVolume/CompileShadowMap code
+ r_shadow_compilingrtlight = rtlight;
+ R_FrameData_SetMark();
+ model->GetLightInfo(ent, rtlight->shadoworigin, rtlight->radius, rtlight->cullmins, rtlight->cullmaxs, r_shadow_buffer_leaflist, r_shadow_buffer_leafpvs, &numleafs, r_shadow_buffer_surfacelist, r_shadow_buffer_surfacepvs, &numsurfaces, r_shadow_buffer_shadowtrispvs, r_shadow_buffer_lighttrispvs, r_shadow_buffer_visitingleafpvs, 0, NULL);
+ R_FrameData_ReturnToMark();
+ numleafpvsbytes = (model->brush.num_leafs + 7) >> 3;
+ numshadowtrispvsbytes = ((model->brush.shadowmesh ? model->brush.shadowmesh->numtriangles : model->surfmesh.num_triangles) + 7) >> 3;
+ numlighttrispvsbytes = (model->surfmesh.num_triangles + 7) >> 3;
+ data = (unsigned char *)Mem_Alloc(r_main_mempool, sizeof(int) * numsurfaces + sizeof(int) * numleafs + numleafpvsbytes + numshadowtrispvsbytes + numlighttrispvsbytes);
+ rtlight->static_numsurfaces = numsurfaces;
+ rtlight->static_surfacelist = (int *)data;data += sizeof(int) * numsurfaces;
+ rtlight->static_numleafs = numleafs;
+ rtlight->static_leaflist = (int *)data;data += sizeof(int) * numleafs;
+ rtlight->static_numleafpvsbytes = numleafpvsbytes;
+ rtlight->static_leafpvs = (unsigned char *)data;data += numleafpvsbytes;
+ rtlight->static_numshadowtrispvsbytes = numshadowtrispvsbytes;
+ rtlight->static_shadowtrispvs = (unsigned char *)data;data += numshadowtrispvsbytes;
+ rtlight->static_numlighttrispvsbytes = numlighttrispvsbytes;
+ rtlight->static_lighttrispvs = (unsigned char *)data;data += numlighttrispvsbytes;
+ if (rtlight->static_numsurfaces)
+ memcpy(rtlight->static_surfacelist, r_shadow_buffer_surfacelist, rtlight->static_numsurfaces * sizeof(*rtlight->static_surfacelist));
+ if (rtlight->static_numleafs)
+ memcpy(rtlight->static_leaflist, r_shadow_buffer_leaflist, rtlight->static_numleafs * sizeof(*rtlight->static_leaflist));
+ if (rtlight->static_numleafpvsbytes)
+ memcpy(rtlight->static_leafpvs, r_shadow_buffer_leafpvs, rtlight->static_numleafpvsbytes);
+ if (rtlight->static_numshadowtrispvsbytes)
+ memcpy(rtlight->static_shadowtrispvs, r_shadow_buffer_shadowtrispvs, rtlight->static_numshadowtrispvsbytes);
+ if (rtlight->static_numlighttrispvsbytes)
+ memcpy(rtlight->static_lighttrispvs, r_shadow_buffer_lighttrispvs, rtlight->static_numlighttrispvsbytes);
+ R_FrameData_SetMark();
+ switch (rtlight->shadowmode)
+ {
+ case R_SHADOW_SHADOWMODE_SHADOWMAP2D:
+ if (model->CompileShadowMap && rtlight->shadow)
+ model->CompileShadowMap(ent, rtlight->shadoworigin, NULL, rtlight->radius, numsurfaces, r_shadow_buffer_surfacelist);
+ break;
+ default:
+ if (model->CompileShadowVolume && rtlight->shadow)
+ model->CompileShadowVolume(ent, rtlight->shadoworigin, NULL, rtlight->radius, numsurfaces, r_shadow_buffer_surfacelist);
+ break;
+ }
+ R_FrameData_ReturnToMark();
+ // now we're done compiling the rtlight
+ r_shadow_compilingrtlight = NULL;
+ }
+
+
+ // use smallest available cullradius - box radius or light radius
+ //rtlight->cullradius = RadiusFromBoundsAndOrigin(rtlight->cullmins, rtlight->cullmaxs, rtlight->shadoworigin);
+ //rtlight->cullradius = min(rtlight->cullradius, rtlight->radius);
+
+ shadowzpasstris = 0;
+ if (rtlight->static_meshchain_shadow_zpass)
+ for (mesh = rtlight->static_meshchain_shadow_zpass;mesh;mesh = mesh->next)
+ shadowzpasstris += mesh->numtriangles;
+
+ shadowzfailtris = 0;
+ if (rtlight->static_meshchain_shadow_zfail)
+ for (mesh = rtlight->static_meshchain_shadow_zfail;mesh;mesh = mesh->next)
+ shadowzfailtris += mesh->numtriangles;
+
+ lighttris = 0;
+ if (rtlight->static_numlighttrispvsbytes)
+ for (i = 0;i < rtlight->static_numlighttrispvsbytes*8;i++)
+ if (CHECKPVSBIT(rtlight->static_lighttrispvs, i))
+ lighttris++;
+
+ shadowtris = 0;
+ if (rtlight->static_numlighttrispvsbytes)
+ for (i = 0;i < rtlight->static_numshadowtrispvsbytes*8;i++)
+ if (CHECKPVSBIT(rtlight->static_shadowtrispvs, i))
+ shadowtris++;
+
+ if (developer_extra.integer)
+ Con_DPrintf("static light built: %f %f %f : %f %f %f box, %i light triangles, %i shadow triangles, %i zpass/%i zfail compiled shadow volume triangles\n", rtlight->cullmins[0], rtlight->cullmins[1], rtlight->cullmins[2], rtlight->cullmaxs[0], rtlight->cullmaxs[1], rtlight->cullmaxs[2], lighttris, shadowtris, shadowzpasstris, shadowzfailtris);
+}
+
+void R_RTLight_Uncompile(rtlight_t *rtlight)
+{
+ if (rtlight->compiled)
+ {
+ if (rtlight->static_meshchain_shadow_zpass)
+ Mod_ShadowMesh_Free(rtlight->static_meshchain_shadow_zpass);
+ rtlight->static_meshchain_shadow_zpass = NULL;
+ if (rtlight->static_meshchain_shadow_zfail)
+ Mod_ShadowMesh_Free(rtlight->static_meshchain_shadow_zfail);
+ rtlight->static_meshchain_shadow_zfail = NULL;
+ if (rtlight->static_meshchain_shadow_shadowmap)
+ Mod_ShadowMesh_Free(rtlight->static_meshchain_shadow_shadowmap);
+ rtlight->static_meshchain_shadow_shadowmap = NULL;
+ // these allocations are grouped
+ if (rtlight->static_surfacelist)
+ Mem_Free(rtlight->static_surfacelist);
+ rtlight->static_numleafs = 0;
+ rtlight->static_numleafpvsbytes = 0;
+ rtlight->static_leaflist = NULL;
+ rtlight->static_leafpvs = NULL;
+ rtlight->static_numsurfaces = 0;
+ rtlight->static_surfacelist = NULL;
+ rtlight->static_numshadowtrispvsbytes = 0;
+ rtlight->static_shadowtrispvs = NULL;
+ rtlight->static_numlighttrispvsbytes = 0;
+ rtlight->static_lighttrispvs = NULL;
+ rtlight->compiled = false;
+ }
+}
+
+void R_Shadow_UncompileWorldLights(void)
+{
+ size_t lightindex;
+ dlight_t *light;
+ size_t range = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray); // checked
+ for (lightindex = 0;lightindex < range;lightindex++)
+ {
+ light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex);
+ if (!light)
+ continue;
+ R_RTLight_Uncompile(&light->rtlight);
+ }
+}
+
+void R_Shadow_ComputeShadowCasterCullingPlanes(rtlight_t *rtlight)
+{
+ int i, j;
+ mplane_t plane;
+ // reset the count of frustum planes
+ // see rtlight->cached_frustumplanes definition for how much this array
+ // can hold
+ rtlight->cached_numfrustumplanes = 0;
+
+ if (r_trippy.integer)
+ return;
+
+ // haven't implemented a culling path for ortho rendering
+ if (!r_refdef.view.useperspective)
+ {
+ // check if the light is on screen and copy the 4 planes if it is
+ for (i = 0;i < 4;i++)
+ if (PlaneDiff(rtlight->shadoworigin, &r_refdef.view.frustum[i]) < -0.03125)
+ break;
+ if (i == 4)
+ for (i = 0;i < 4;i++)
+ rtlight->cached_frustumplanes[rtlight->cached_numfrustumplanes++] = r_refdef.view.frustum[i];
+ return;
+ }
+
+#if 1
+ // generate a deformed frustum that includes the light origin, this is
+ // used to cull shadow casting surfaces that can not possibly cast a
+ // shadow onto the visible light-receiving surfaces, which can be a
+ // performance gain
+ //
+ // if the light origin is onscreen the result will be 4 planes exactly
+ // if the light origin is offscreen on only one axis the result will
+ // be exactly 5 planes (split-side case)
+ // if the light origin is offscreen on two axes the result will be
+ // exactly 4 planes (stretched corner case)
+ for (i = 0;i < 4;i++)
+ {
+ // quickly reject standard frustum planes that put the light
+ // origin outside the frustum
+ if (PlaneDiff(rtlight->shadoworigin, &r_refdef.view.frustum[i]) < -0.03125)
+ continue;
+ // copy the plane
+ rtlight->cached_frustumplanes[rtlight->cached_numfrustumplanes++] = r_refdef.view.frustum[i];
+ }
+ // if all the standard frustum planes were accepted, the light is onscreen
+ // otherwise we need to generate some more planes below...
+ if (rtlight->cached_numfrustumplanes < 4)
+ {
+ // at least one of the stock frustum planes failed, so we need to
+ // create one or two custom planes to enclose the light origin
+ for (i = 0;i < 4;i++)
+ {
+ // create a plane using the view origin and light origin, and a
+ // single point from the frustum corner set
+ TriangleNormal(r_refdef.view.origin, r_refdef.view.frustumcorner[i], rtlight->shadoworigin, plane.normal);
+ VectorNormalize(plane.normal);
+ plane.dist = DotProduct(r_refdef.view.origin, plane.normal);
+ // see if this plane is backwards and flip it if so
+ for (j = 0;j < 4;j++)
+ if (j != i && DotProduct(r_refdef.view.frustumcorner[j], plane.normal) - plane.dist < -0.03125)
+ break;
+ if (j < 4)
+ {
+ VectorNegate(plane.normal, plane.normal);
+ plane.dist *= -1;
+ // flipped plane, test again to see if it is now valid
+ for (j = 0;j < 4;j++)
+ if (j != i && DotProduct(r_refdef.view.frustumcorner[j], plane.normal) - plane.dist < -0.03125)
+ break;
+ // if the plane is still not valid, then it is dividing the
+ // frustum and has to be rejected
+ if (j < 4)
+ continue;
+ }
+ // we have created a valid plane, compute extra info
+ PlaneClassify(&plane);
+ // copy the plane
+ rtlight->cached_frustumplanes[rtlight->cached_numfrustumplanes++] = plane;
+#if 1
+ // if we've found 5 frustum planes then we have constructed a
+ // proper split-side case and do not need to keep searching for
+ // planes to enclose the light origin
+ if (rtlight->cached_numfrustumplanes == 5)
+ break;
+#endif
+ }
+ }
+#endif
+
+#if 0
+ for (i = 0;i < rtlight->cached_numfrustumplanes;i++)
+ {
+ plane = rtlight->cached_frustumplanes[i];
+ Con_Printf("light %p plane #%i %f %f %f : %f (%f %f %f %f %f)\n", rtlight, i, plane.normal[0], plane.normal[1], plane.normal[2], plane.dist, PlaneDiff(r_refdef.view.frustumcorner[0], &plane), PlaneDiff(r_refdef.view.frustumcorner[1], &plane), PlaneDiff(r_refdef.view.frustumcorner[2], &plane), PlaneDiff(r_refdef.view.frustumcorner[3], &plane), PlaneDiff(rtlight->shadoworigin, &plane));
+ }
+#endif
+
+#if 0
+ // now add the light-space box planes if the light box is rotated, as any
+ // caster outside the oriented light box is irrelevant (even if it passed
+ // the worldspace light box, which is axial)
+ if (rtlight->matrix_lighttoworld.m[0][0] != 1 || rtlight->matrix_lighttoworld.m[1][1] != 1 || rtlight->matrix_lighttoworld.m[2][2] != 1)
+ {
+ for (i = 0;i < 6;i++)
+ {
+ vec3_t v;
+ VectorClear(v);
+ v[i >> 1] = (i & 1) ? -1 : 1;
+ Matrix4x4_Transform(&rtlight->matrix_lighttoworld, v, plane.normal);
+ VectorSubtract(plane.normal, rtlight->shadoworigin, plane.normal);
+ plane.dist = VectorNormalizeLength(plane.normal);
+ plane.dist += DotProduct(plane.normal, rtlight->shadoworigin);
+ rtlight->cached_frustumplanes[rtlight->cached_numfrustumplanes++] = plane;
+ }
+ }
+#endif
+
+#if 0
+ // add the world-space reduced box planes
+ for (i = 0;i < 6;i++)
+ {
+ VectorClear(plane.normal);
+ plane.normal[i >> 1] = (i & 1) ? -1 : 1;
+ plane.dist = (i & 1) ? -rtlight->cached_cullmaxs[i >> 1] : rtlight->cached_cullmins[i >> 1];
+ rtlight->cached_frustumplanes[rtlight->cached_numfrustumplanes++] = plane;
+ }
+#endif
+
+#if 0
+ {
+ int j, oldnum;
+ vec3_t points[8];
+ vec_t bestdist;
+ // reduce all plane distances to tightly fit the rtlight cull box, which
+ // is in worldspace
+ VectorSet(points[0], rtlight->cached_cullmins[0], rtlight->cached_cullmins[1], rtlight->cached_cullmins[2]);
+ VectorSet(points[1], rtlight->cached_cullmaxs[0], rtlight->cached_cullmins[1], rtlight->cached_cullmins[2]);
+ VectorSet(points[2], rtlight->cached_cullmins[0], rtlight->cached_cullmaxs[1], rtlight->cached_cullmins[2]);
+ VectorSet(points[3], rtlight->cached_cullmaxs[0], rtlight->cached_cullmaxs[1], rtlight->cached_cullmins[2]);
+ VectorSet(points[4], rtlight->cached_cullmins[0], rtlight->cached_cullmins[1], rtlight->cached_cullmaxs[2]);
+ VectorSet(points[5], rtlight->cached_cullmaxs[0], rtlight->cached_cullmins[1], rtlight->cached_cullmaxs[2]);
+ VectorSet(points[6], rtlight->cached_cullmins[0], rtlight->cached_cullmaxs[1], rtlight->cached_cullmaxs[2]);
+ VectorSet(points[7], rtlight->cached_cullmaxs[0], rtlight->cached_cullmaxs[1], rtlight->cached_cullmaxs[2]);
+ oldnum = rtlight->cached_numfrustumplanes;
+ rtlight->cached_numfrustumplanes = 0;
+ for (j = 0;j < oldnum;j++)
+ {
+ // find the nearest point on the box to this plane
+ bestdist = DotProduct(rtlight->cached_frustumplanes[j].normal, points[0]);
+ for (i = 1;i < 8;i++)
+ {
+ dist = DotProduct(rtlight->cached_frustumplanes[j].normal, points[i]);
+ if (bestdist > dist)
+ bestdist = dist;
+ }
+ Con_Printf("light %p %splane #%i %f %f %f : %f < %f\n", rtlight, rtlight->cached_frustumplanes[j].dist < bestdist + 0.03125 ? "^2" : "^1", j, rtlight->cached_frustumplanes[j].normal[0], rtlight->cached_frustumplanes[j].normal[1], rtlight->cached_frustumplanes[j].normal[2], rtlight->cached_frustumplanes[j].dist, bestdist);
+ // if the nearest point is near or behind the plane, we want this
+ // plane, otherwise the plane is useless as it won't cull anything
+ if (rtlight->cached_frustumplanes[j].dist < bestdist + 0.03125)
+ {
+ PlaneClassify(&rtlight->cached_frustumplanes[j]);
+ rtlight->cached_frustumplanes[rtlight->cached_numfrustumplanes++] = rtlight->cached_frustumplanes[j];
+ }
+ }
+ }
+#endif
+}
+
+void R_Shadow_DrawWorldShadow_ShadowMap(int numsurfaces, int *surfacelist, const unsigned char *trispvs, const unsigned char *surfacesides)
+{
+ shadowmesh_t *mesh;
+
+ RSurf_ActiveWorldEntity();
+
+ if (rsurface.rtlight->compiled && r_shadow_realtime_world_compile.integer && r_shadow_realtime_world_compileshadow.integer)
+ {
+ CHECKGLERROR
+ GL_CullFace(GL_NONE);
+ mesh = rsurface.rtlight->static_meshchain_shadow_shadowmap;
+ for (;mesh;mesh = mesh->next)
+ {
+ if (!mesh->sidetotals[r_shadow_shadowmapside])
+ continue;
+ r_refdef.stats.lights_shadowtriangles += mesh->sidetotals[r_shadow_shadowmapside];
+ if (mesh->vertex3fbuffer)
+ R_Mesh_PrepareVertices_Vertex3f(mesh->numverts, mesh->vertex3f, mesh->vertex3fbuffer);
+ else
+ R_Mesh_PrepareVertices_Vertex3f(mesh->numverts, mesh->vertex3f, mesh->vbo_vertexbuffer);
+ R_Mesh_Draw(0, mesh->numverts, mesh->sideoffsets[r_shadow_shadowmapside], mesh->sidetotals[r_shadow_shadowmapside], mesh->element3i, mesh->element3i_indexbuffer, mesh->element3i_bufferoffset, mesh->element3s, mesh->element3s_indexbuffer, mesh->element3s_bufferoffset);
+ }
+ CHECKGLERROR
+ }
+ else if (r_refdef.scene.worldentity->model)
+ r_refdef.scene.worldmodel->DrawShadowMap(r_shadow_shadowmapside, r_refdef.scene.worldentity, rsurface.rtlight->shadoworigin, NULL, rsurface.rtlight->radius, numsurfaces, surfacelist, surfacesides, rsurface.rtlight->cached_cullmins, rsurface.rtlight->cached_cullmaxs);
+
+ rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
+}
+
+void R_Shadow_DrawWorldShadow_ShadowVolume(int numsurfaces, int *surfacelist, const unsigned char *trispvs)
+{
+ qboolean zpass = false;
+ shadowmesh_t *mesh;
+ int t, tend;
+ int surfacelistindex;
+ msurface_t *surface;
+
+ // if triangle neighbors are disabled, shadowvolumes are disabled
+ if (r_refdef.scene.worldmodel->brush.shadowmesh ? !r_refdef.scene.worldmodel->brush.shadowmesh->neighbor3i : !r_refdef.scene.worldmodel->surfmesh.data_neighbor3i)
+ return;
+
+ RSurf_ActiveWorldEntity();
+
+ if (rsurface.rtlight->compiled && r_shadow_realtime_world_compile.integer && r_shadow_realtime_world_compileshadow.integer)
+ {
+ CHECKGLERROR
+ if (r_shadow_rendermode != R_SHADOW_RENDERMODE_VISIBLEVOLUMES)
+ {
+ zpass = R_Shadow_UseZPass(r_refdef.scene.worldmodel->normalmins, r_refdef.scene.worldmodel->normalmaxs);
+ R_Shadow_RenderMode_StencilShadowVolumes(zpass);
+ }
+ mesh = zpass ? rsurface.rtlight->static_meshchain_shadow_zpass : rsurface.rtlight->static_meshchain_shadow_zfail;
+ for (;mesh;mesh = mesh->next)
+ {
+ r_refdef.stats.lights_shadowtriangles += mesh->numtriangles;
+ if (mesh->vertex3fbuffer)
+ R_Mesh_PrepareVertices_Vertex3f(mesh->numverts, mesh->vertex3f, mesh->vertex3fbuffer);
+ else
+ R_Mesh_PrepareVertices_Vertex3f(mesh->numverts, mesh->vertex3f, mesh->vbo_vertexbuffer);
+ if (r_shadow_rendermode == R_SHADOW_RENDERMODE_ZPASS_STENCIL)
+ {
+ // increment stencil if frontface is infront of depthbuffer
+ GL_CullFace(r_refdef.view.cullface_back);
+ R_SetStencil(true, 255, GL_KEEP, GL_KEEP, GL_INCR, GL_ALWAYS, 128, 255);
+ R_Mesh_Draw(0, mesh->numverts, 0, mesh->numtriangles, mesh->element3i, mesh->element3i_indexbuffer, mesh->element3i_bufferoffset, mesh->element3s, mesh->element3s_indexbuffer, mesh->element3s_bufferoffset);
+ // decrement stencil if backface is infront of depthbuffer
+ GL_CullFace(r_refdef.view.cullface_front);
+ R_SetStencil(true, 255, GL_KEEP, GL_KEEP, GL_DECR, GL_ALWAYS, 128, 255);
+ }
+ else if (r_shadow_rendermode == R_SHADOW_RENDERMODE_ZFAIL_STENCIL)
+ {
+ // decrement stencil if backface is behind depthbuffer
+ GL_CullFace(r_refdef.view.cullface_front);
+ R_SetStencil(true, 255, GL_KEEP, GL_DECR, GL_KEEP, GL_ALWAYS, 128, 255);
+ R_Mesh_Draw(0, mesh->numverts, 0, mesh->numtriangles, mesh->element3i, mesh->element3i_indexbuffer, mesh->element3i_bufferoffset, mesh->element3s, mesh->element3s_indexbuffer, mesh->element3s_bufferoffset);
+ // increment stencil if frontface is behind depthbuffer
+ GL_CullFace(r_refdef.view.cullface_back);
+ R_SetStencil(true, 255, GL_KEEP, GL_INCR, GL_KEEP, GL_ALWAYS, 128, 255);
+ }
+ R_Mesh_Draw(0, mesh->numverts, 0, mesh->numtriangles, mesh->element3i, mesh->element3i_indexbuffer, mesh->element3i_bufferoffset, mesh->element3s, mesh->element3s_indexbuffer, mesh->element3s_bufferoffset);
+ }
+ CHECKGLERROR
+ }
+ else if (numsurfaces && r_refdef.scene.worldmodel->brush.shadowmesh)
+ {
+ // use the shadow trispvs calculated earlier by GetLightInfo to cull world triangles on this dynamic light
+ R_Shadow_PrepareShadowMark(r_refdef.scene.worldmodel->brush.shadowmesh->numtriangles);
+ for (surfacelistindex = 0;surfacelistindex < numsurfaces;surfacelistindex++)
+ {
+ surface = r_refdef.scene.worldmodel->data_surfaces + surfacelist[surfacelistindex];
+ for (t = surface->num_firstshadowmeshtriangle, tend = t + surface->num_triangles;t < tend;t++)
+ if (CHECKPVSBIT(trispvs, t))
+ shadowmarklist[numshadowmark++] = t;
+ }
+ R_Shadow_VolumeFromList(r_refdef.scene.worldmodel->brush.shadowmesh->numverts, r_refdef.scene.worldmodel->brush.shadowmesh->numtriangles, r_refdef.scene.worldmodel->brush.shadowmesh->vertex3f, r_refdef.scene.worldmodel->brush.shadowmesh->element3i, r_refdef.scene.worldmodel->brush.shadowmesh->neighbor3i, rsurface.rtlight->shadoworigin, NULL, rsurface.rtlight->radius + r_refdef.scene.worldmodel->radius*2 + r_shadow_projectdistance.value, numshadowmark, shadowmarklist, r_refdef.scene.worldmodel->normalmins, r_refdef.scene.worldmodel->normalmaxs);
+ }
+ else if (numsurfaces)
+ {
+ r_refdef.scene.worldmodel->DrawShadowVolume(r_refdef.scene.worldentity, rsurface.rtlight->shadoworigin, NULL, rsurface.rtlight->radius, numsurfaces, surfacelist, rsurface.rtlight->cached_cullmins, rsurface.rtlight->cached_cullmaxs);
+ }
+
+ rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
+}
+
+void R_Shadow_DrawEntityShadow(entity_render_t *ent)
+{
+ vec3_t relativeshadoworigin, relativeshadowmins, relativeshadowmaxs;
+ vec_t relativeshadowradius;
+ RSurf_ActiveModelEntity(ent, false, false, false);
+ Matrix4x4_Transform(&ent->inversematrix, rsurface.rtlight->shadoworigin, relativeshadoworigin);
+ // we need to re-init the shader for each entity because the matrix changed
+ relativeshadowradius = rsurface.rtlight->radius / ent->scale;
+ relativeshadowmins[0] = relativeshadoworigin[0] - relativeshadowradius;
+ relativeshadowmins[1] = relativeshadoworigin[1] - relativeshadowradius;
+ relativeshadowmins[2] = relativeshadoworigin[2] - relativeshadowradius;
+ relativeshadowmaxs[0] = relativeshadoworigin[0] + relativeshadowradius;
+ relativeshadowmaxs[1] = relativeshadoworigin[1] + relativeshadowradius;
+ relativeshadowmaxs[2] = relativeshadoworigin[2] + relativeshadowradius;
+ switch (r_shadow_rendermode)
+ {
+ case R_SHADOW_RENDERMODE_SHADOWMAP2D:
+ ent->model->DrawShadowMap(r_shadow_shadowmapside, ent, relativeshadoworigin, NULL, relativeshadowradius, ent->model->nummodelsurfaces, ent->model->sortedmodelsurfaces, NULL, relativeshadowmins, relativeshadowmaxs);
+ break;
+ default:
+ ent->model->DrawShadowVolume(ent, relativeshadoworigin, NULL, relativeshadowradius, ent->model->nummodelsurfaces, ent->model->sortedmodelsurfaces, relativeshadowmins, relativeshadowmaxs);
+ break;
+ }
+ rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
+}
+
+void R_Shadow_SetupEntityLight(const entity_render_t *ent)
+{
+ // set up properties for rendering light onto this entity
+ RSurf_ActiveModelEntity(ent, true, true, false);
+ Matrix4x4_Concat(&rsurface.entitytolight, &rsurface.rtlight->matrix_worldtolight, &ent->matrix);
+ Matrix4x4_Concat(&rsurface.entitytoattenuationxyz, &matrix_attenuationxyz, &rsurface.entitytolight);
+ Matrix4x4_Concat(&rsurface.entitytoattenuationz, &matrix_attenuationz, &rsurface.entitytolight);
+ Matrix4x4_Transform(&ent->inversematrix, rsurface.rtlight->shadoworigin, rsurface.entitylightorigin);
+}
+
+void R_Shadow_DrawWorldLight(int numsurfaces, int *surfacelist, const unsigned char *lighttrispvs)
+{
+ if (!r_refdef.scene.worldmodel->DrawLight)
+ return;
+
+ // set up properties for rendering light onto this entity
+ RSurf_ActiveWorldEntity();
+ rsurface.entitytolight = rsurface.rtlight->matrix_worldtolight;
+ Matrix4x4_Concat(&rsurface.entitytoattenuationxyz, &matrix_attenuationxyz, &rsurface.entitytolight);
+ Matrix4x4_Concat(&rsurface.entitytoattenuationz, &matrix_attenuationz, &rsurface.entitytolight);
+ VectorCopy(rsurface.rtlight->shadoworigin, rsurface.entitylightorigin);
+
+ r_refdef.scene.worldmodel->DrawLight(r_refdef.scene.worldentity, numsurfaces, surfacelist, lighttrispvs);
+
+ rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
+}
+
+void R_Shadow_DrawEntityLight(entity_render_t *ent)
+{
+ dp_model_t *model = ent->model;
+ if (!model->DrawLight)
+ return;
+
+ R_Shadow_SetupEntityLight(ent);
+
+ model->DrawLight(ent, model->nummodelsurfaces, model->sortedmodelsurfaces, NULL);
+
+ rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
+}
+
+void R_Shadow_PrepareLight(rtlight_t *rtlight)
+{
+ int i;
+ float f;
+ int numleafs, numsurfaces;
+ int *leaflist, *surfacelist;
+ unsigned char *leafpvs;
+ unsigned char *shadowtrispvs;
+ unsigned char *lighttrispvs;
+ //unsigned char *surfacesides;
+ int numlightentities;
+ int numlightentities_noselfshadow;
+ int numshadowentities;
+ int numshadowentities_noselfshadow;
+ static entity_render_t *lightentities[MAX_EDICTS];
+ static entity_render_t *lightentities_noselfshadow[MAX_EDICTS];
+ static entity_render_t *shadowentities[MAX_EDICTS];
+ static entity_render_t *shadowentities_noselfshadow[MAX_EDICTS];
+ qboolean nolight;
+
+ rtlight->draw = false;
+
+ // skip lights that don't light because of ambientscale+diffusescale+specularscale being 0 (corona only lights)
+ // skip lights that are basically invisible (color 0 0 0)
+ nolight = VectorLength2(rtlight->color) * (rtlight->ambientscale + rtlight->diffusescale + rtlight->specularscale) < (1.0f / 1048576.0f);
+
+ // loading is done before visibility checks because loading should happen
+ // all at once at the start of a level, not when it stalls gameplay.
+ // (especially important to benchmarks)
+ // compile light
+ if (rtlight->isstatic && !nolight && (!rtlight->compiled || (rtlight->shadow && rtlight->shadowmode != (int)r_shadow_shadowmode)) && r_shadow_realtime_world_compile.integer)
+ {
+ if (rtlight->compiled)
+ R_RTLight_Uncompile(rtlight);
+ R_RTLight_Compile(rtlight);
+ }
+
+ // load cubemap
+ rtlight->currentcubemap = rtlight->cubemapname[0] ? R_GetCubemap(rtlight->cubemapname) : r_texture_whitecube;
+
+ // look up the light style value at this time
+ f = (rtlight->style >= 0 ? r_refdef.scene.rtlightstylevalue[rtlight->style] : 1) * r_shadow_lightintensityscale.value;
+ VectorScale(rtlight->color, f, rtlight->currentcolor);
+ /*
+ if (rtlight->selected)
+ {
+ f = 2 + sin(realtime * M_PI * 4.0);
+ VectorScale(rtlight->currentcolor, f, rtlight->currentcolor);
+ }
+ */
+
+ // if lightstyle is currently off, don't draw the light
+ if (VectorLength2(rtlight->currentcolor) < (1.0f / 1048576.0f))
+ return;
+
+ // skip processing on corona-only lights
+ if (nolight)
+ return;
+
+ // if the light box is offscreen, skip it
+ if (R_CullBox(rtlight->cullmins, rtlight->cullmaxs))
+ return;
+
+ VectorCopy(rtlight->cullmins, rtlight->cached_cullmins);
+ VectorCopy(rtlight->cullmaxs, rtlight->cached_cullmaxs);
+
+ R_Shadow_ComputeShadowCasterCullingPlanes(rtlight);
+
+ if (rtlight->compiled && r_shadow_realtime_world_compile.integer)
+ {
+ // compiled light, world available and can receive realtime lighting
+ // retrieve leaf information
+ numleafs = rtlight->static_numleafs;
+ leaflist = rtlight->static_leaflist;
+ leafpvs = rtlight->static_leafpvs;
+ numsurfaces = rtlight->static_numsurfaces;
+ surfacelist = rtlight->static_surfacelist;
+ //surfacesides = NULL;
+ shadowtrispvs = rtlight->static_shadowtrispvs;
+ lighttrispvs = rtlight->static_lighttrispvs;
+ }
+ else if (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->GetLightInfo)
+ {
+ // dynamic light, world available and can receive realtime lighting
+ // calculate lit surfaces and leafs
+ r_refdef.scene.worldmodel->GetLightInfo(r_refdef.scene.worldentity, rtlight->shadoworigin, rtlight->radius, rtlight->cached_cullmins, rtlight->cached_cullmaxs, r_shadow_buffer_leaflist, r_shadow_buffer_leafpvs, &numleafs, r_shadow_buffer_surfacelist, r_shadow_buffer_surfacepvs, &numsurfaces, r_shadow_buffer_shadowtrispvs, r_shadow_buffer_lighttrispvs, r_shadow_buffer_visitingleafpvs, rtlight->cached_numfrustumplanes, rtlight->cached_frustumplanes);
+ R_Shadow_ComputeShadowCasterCullingPlanes(rtlight);
+ leaflist = r_shadow_buffer_leaflist;
+ leafpvs = r_shadow_buffer_leafpvs;
+ surfacelist = r_shadow_buffer_surfacelist;
+ //surfacesides = r_shadow_buffer_surfacesides;
+ shadowtrispvs = r_shadow_buffer_shadowtrispvs;
+ lighttrispvs = r_shadow_buffer_lighttrispvs;
+ // if the reduced leaf bounds are offscreen, skip it
+ if (R_CullBox(rtlight->cached_cullmins, rtlight->cached_cullmaxs))
+ return;
+ }
+ else
+ {
+ // no world
+ numleafs = 0;
+ leaflist = NULL;
+ leafpvs = NULL;
+ numsurfaces = 0;
+ surfacelist = NULL;
+ //surfacesides = NULL;
+ shadowtrispvs = NULL;
+ lighttrispvs = NULL;
+ }
+ // check if light is illuminating any visible leafs
+ if (numleafs)
+ {
+ for (i = 0;i < numleafs;i++)
+ if (r_refdef.viewcache.world_leafvisible[leaflist[i]])
+ break;
+ if (i == numleafs)
+ return;
+ }
+
+ // make a list of lit entities and shadow casting entities
+ numlightentities = 0;
+ numlightentities_noselfshadow = 0;
+ numshadowentities = 0;
+ numshadowentities_noselfshadow = 0;
+
+ // add dynamic entities that are lit by the light
+ for (i = 0;i < r_refdef.scene.numentities;i++)
+ {
+ dp_model_t *model;
+ entity_render_t *ent = r_refdef.scene.entities[i];
+ vec3_t org;
+ if (!BoxesOverlap(ent->mins, ent->maxs, rtlight->cached_cullmins, rtlight->cached_cullmaxs))
+ continue;
+ // skip the object entirely if it is not within the valid
+ // shadow-casting region (which includes the lit region)
+ if (R_CullBoxCustomPlanes(ent->mins, ent->maxs, rtlight->cached_numfrustumplanes, rtlight->cached_frustumplanes))
+ continue;
+ if (!(model = ent->model))
+ continue;
+ if (r_refdef.viewcache.entityvisible[i] && model->DrawLight && (ent->flags & RENDER_LIGHT))
+ {
+ // this entity wants to receive light, is visible, and is
+ // inside the light box
+ // TODO: check if the surfaces in the model can receive light
+ // so now check if it's in a leaf seen by the light
+ if (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.BoxTouchingLeafPVS && !r_refdef.scene.worldmodel->brush.BoxTouchingLeafPVS(r_refdef.scene.worldmodel, leafpvs, ent->mins, ent->maxs))
+ continue;
+ if (ent->flags & RENDER_NOSELFSHADOW)
+ lightentities_noselfshadow[numlightentities_noselfshadow++] = ent;
+ else
+ lightentities[numlightentities++] = ent;
+ // since it is lit, it probably also casts a shadow...
+ // about the VectorDistance2 - light emitting entities should not cast their own shadow
+ Matrix4x4_OriginFromMatrix(&ent->matrix, org);
+ if ((ent->flags & RENDER_SHADOW) && model->DrawShadowVolume && VectorDistance2(org, rtlight->shadoworigin) > 0.1)
+ {
+ // note: exterior models without the RENDER_NOSELFSHADOW
+ // flag still create a RENDER_NOSELFSHADOW shadow but
+ // are lit normally, this means that they are
+ // self-shadowing but do not shadow other
+ // RENDER_NOSELFSHADOW entities such as the gun
+ // (very weird, but keeps the player shadow off the gun)
+ if (ent->flags & (RENDER_NOSELFSHADOW | RENDER_EXTERIORMODEL))
+ shadowentities_noselfshadow[numshadowentities_noselfshadow++] = ent;
+ else
+ shadowentities[numshadowentities++] = ent;
+ }
+ }
+ else if (ent->flags & RENDER_SHADOW)
+ {
+ // this entity is not receiving light, but may still need to
+ // cast a shadow...
+ // TODO: check if the surfaces in the model can cast shadow
+ // now check if it is in a leaf seen by the light
+ if (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.BoxTouchingLeafPVS && !r_refdef.scene.worldmodel->brush.BoxTouchingLeafPVS(r_refdef.scene.worldmodel, leafpvs, ent->mins, ent->maxs))
+ continue;
+ // about the VectorDistance2 - light emitting entities should not cast their own shadow
+ Matrix4x4_OriginFromMatrix(&ent->matrix, org);
+ if ((ent->flags & RENDER_SHADOW) && model->DrawShadowVolume && VectorDistance2(org, rtlight->shadoworigin) > 0.1)
+ {
+ if (ent->flags & (RENDER_NOSELFSHADOW | RENDER_EXTERIORMODEL))
+ shadowentities_noselfshadow[numshadowentities_noselfshadow++] = ent;
+ else
+ shadowentities[numshadowentities++] = ent;
+ }
+ }
+ }
+
+ // return if there's nothing at all to light
+ if (numsurfaces + numlightentities + numlightentities_noselfshadow == 0)
+ return;
+
+ // count this light in the r_speeds
+ r_refdef.stats.lights++;
+
+ // flag it as worth drawing later
+ rtlight->draw = true;
+
+ // cache all the animated entities that cast a shadow but are not visible
+ for (i = 0;i < numshadowentities;i++)
+ if (!shadowentities[i]->animcache_vertex3f)
+ R_AnimCache_GetEntity(shadowentities[i], false, false);
+ for (i = 0;i < numshadowentities_noselfshadow;i++)
+ if (!shadowentities_noselfshadow[i]->animcache_vertex3f)
+ R_AnimCache_GetEntity(shadowentities_noselfshadow[i], false, false);
+
+ // allocate some temporary memory for rendering this light later in the frame
+ // reusable buffers need to be copied, static data can be used as-is
+ rtlight->cached_numlightentities = numlightentities;
+ rtlight->cached_numlightentities_noselfshadow = numlightentities_noselfshadow;
+ rtlight->cached_numshadowentities = numshadowentities;
+ rtlight->cached_numshadowentities_noselfshadow = numshadowentities_noselfshadow;
+ rtlight->cached_numsurfaces = numsurfaces;
+ rtlight->cached_lightentities = (entity_render_t**)R_FrameData_Store(numlightentities*sizeof(entity_render_t*), (void*)lightentities);
+ rtlight->cached_lightentities_noselfshadow = (entity_render_t**)R_FrameData_Store(numlightentities_noselfshadow*sizeof(entity_render_t*), (void*)lightentities_noselfshadow);
+ rtlight->cached_shadowentities = (entity_render_t**)R_FrameData_Store(numshadowentities*sizeof(entity_render_t*), (void*)shadowentities);
+ rtlight->cached_shadowentities_noselfshadow = (entity_render_t**)R_FrameData_Store(numshadowentities_noselfshadow*sizeof(entity_render_t *), (void*)shadowentities_noselfshadow);
+ if (shadowtrispvs == r_shadow_buffer_shadowtrispvs)
+ {
+ int numshadowtrispvsbytes = (((r_refdef.scene.worldmodel->brush.shadowmesh ? r_refdef.scene.worldmodel->brush.shadowmesh->numtriangles : r_refdef.scene.worldmodel->surfmesh.num_triangles) + 7) >> 3);
+ int numlighttrispvsbytes = ((r_refdef.scene.worldmodel->surfmesh.num_triangles + 7) >> 3);
+ rtlight->cached_shadowtrispvs = (unsigned char *)R_FrameData_Store(numshadowtrispvsbytes, shadowtrispvs);
+ rtlight->cached_lighttrispvs = (unsigned char *)R_FrameData_Store(numlighttrispvsbytes, lighttrispvs);
+ rtlight->cached_surfacelist = (int*)R_FrameData_Store(numsurfaces*sizeof(int), (void*)surfacelist);
+ }
+ else
+ {
+ // compiled light data
+ rtlight->cached_shadowtrispvs = shadowtrispvs;
+ rtlight->cached_lighttrispvs = lighttrispvs;
+ rtlight->cached_surfacelist = surfacelist;
+ }
+}
+
+void R_Shadow_DrawLight(rtlight_t *rtlight)
+{
+ int i;
+ int numsurfaces;
+ unsigned char *shadowtrispvs, *lighttrispvs, *surfacesides;
+ int numlightentities;
+ int numlightentities_noselfshadow;
+ int numshadowentities;
+ int numshadowentities_noselfshadow;
+ entity_render_t **lightentities;
+ entity_render_t **lightentities_noselfshadow;
+ entity_render_t **shadowentities;
+ entity_render_t **shadowentities_noselfshadow;
+ int *surfacelist;
+ static unsigned char entitysides[MAX_EDICTS];
+ static unsigned char entitysides_noselfshadow[MAX_EDICTS];
+ vec3_t nearestpoint;
+ vec_t distance;
+ qboolean castshadows;
+ int lodlinear;
+
+ // check if we cached this light this frame (meaning it is worth drawing)
+ if (!rtlight->draw)
+ return;
+
+ numlightentities = rtlight->cached_numlightentities;
+ numlightentities_noselfshadow = rtlight->cached_numlightentities_noselfshadow;
+ numshadowentities = rtlight->cached_numshadowentities;
+ numshadowentities_noselfshadow = rtlight->cached_numshadowentities_noselfshadow;
+ numsurfaces = rtlight->cached_numsurfaces;
+ lightentities = rtlight->cached_lightentities;
+ lightentities_noselfshadow = rtlight->cached_lightentities_noselfshadow;
+ shadowentities = rtlight->cached_shadowentities;
+ shadowentities_noselfshadow = rtlight->cached_shadowentities_noselfshadow;
+ shadowtrispvs = rtlight->cached_shadowtrispvs;
+ lighttrispvs = rtlight->cached_lighttrispvs;
+ surfacelist = rtlight->cached_surfacelist;
+
+ // set up a scissor rectangle for this light
+ if (R_Shadow_ScissorForBBox(rtlight->cached_cullmins, rtlight->cached_cullmaxs))
+ return;
+
+ // don't let sound skip if going slow
+ if (r_refdef.scene.extraupdate)
+ S_ExtraUpdate ();
+
+ // make this the active rtlight for rendering purposes
+ R_Shadow_RenderMode_ActiveLight(rtlight);
+
+ if (r_showshadowvolumes.integer && r_refdef.view.showdebug && numsurfaces + numshadowentities + numshadowentities_noselfshadow && rtlight->shadow && (rtlight->isstatic ? r_refdef.scene.rtworldshadows : r_refdef.scene.rtdlightshadows))
+ {
+ // optionally draw visible shape of the shadow volumes
+ // for performance analysis by level designers
+ R_Shadow_RenderMode_VisibleShadowVolumes();
+ if (numsurfaces)
+ R_Shadow_DrawWorldShadow_ShadowVolume(numsurfaces, surfacelist, shadowtrispvs);
+ for (i = 0;i < numshadowentities;i++)
+ R_Shadow_DrawEntityShadow(shadowentities[i]);
+ for (i = 0;i < numshadowentities_noselfshadow;i++)
+ R_Shadow_DrawEntityShadow(shadowentities_noselfshadow[i]);
+ R_Shadow_RenderMode_VisibleLighting(false, false);
+ }
+
+ if (r_showlighting.integer && r_refdef.view.showdebug && numsurfaces + numlightentities + numlightentities_noselfshadow)
+ {
+ // optionally draw the illuminated areas
+ // for performance analysis by level designers
+ R_Shadow_RenderMode_VisibleLighting(false, false);
+ if (numsurfaces)
+ R_Shadow_DrawWorldLight(numsurfaces, surfacelist, lighttrispvs);
+ for (i = 0;i < numlightentities;i++)
+ R_Shadow_DrawEntityLight(lightentities[i]);
+ for (i = 0;i < numlightentities_noselfshadow;i++)
+ R_Shadow_DrawEntityLight(lightentities_noselfshadow[i]);
+ }
+
+ castshadows = numsurfaces + numshadowentities + numshadowentities_noselfshadow > 0 && rtlight->shadow && (rtlight->isstatic ? r_refdef.scene.rtworldshadows : r_refdef.scene.rtdlightshadows);
+
+ nearestpoint[0] = bound(rtlight->cullmins[0], r_refdef.view.origin[0], rtlight->cullmaxs[0]);
+ nearestpoint[1] = bound(rtlight->cullmins[1], r_refdef.view.origin[1], rtlight->cullmaxs[1]);
+ nearestpoint[2] = bound(rtlight->cullmins[2], r_refdef.view.origin[2], rtlight->cullmaxs[2]);
+ distance = VectorDistance(nearestpoint, r_refdef.view.origin);
+
+ lodlinear = (rtlight->radius * r_shadow_shadowmapping_precision.value) / sqrt(max(1.0f, distance/rtlight->radius));
+ //lodlinear = (int)(r_shadow_shadowmapping_lod_bias.value + r_shadow_shadowmapping_lod_scale.value * rtlight->radius / max(1.0f, distance));
+ lodlinear = bound(r_shadow_shadowmapping_minsize.integer, lodlinear, r_shadow_shadowmapmaxsize);
+
+ if (castshadows && r_shadow_shadowmode == R_SHADOW_SHADOWMODE_SHADOWMAP2D)
+ {
+ float borderbias;
+ int side;
+ int size;
+ int castermask = 0;
+ int receivermask = 0;
+ matrix4x4_t radiustolight = rtlight->matrix_worldtolight;
+ Matrix4x4_Abs(&radiustolight);
+
+ r_shadow_shadowmaplod = 0;
+ for (i = 1;i < R_SHADOW_SHADOWMAP_NUMCUBEMAPS;i++)
+ if ((r_shadow_shadowmapmaxsize >> i) > lodlinear)
+ r_shadow_shadowmaplod = i;
+
+ size = bound(r_shadow_shadowmapborder, lodlinear, r_shadow_shadowmapmaxsize);
+
+ borderbias = r_shadow_shadowmapborder / (float)(size - r_shadow_shadowmapborder);
+
+ surfacesides = NULL;
+ if (numsurfaces)
+ {
+ if (rtlight->compiled && r_shadow_realtime_world_compile.integer && r_shadow_realtime_world_compileshadow.integer)
+ {
+ castermask = rtlight->static_shadowmap_casters;
+ receivermask = rtlight->static_shadowmap_receivers;
+ }
+ else
+ {
+ surfacesides = r_shadow_buffer_surfacesides;
+ for(i = 0;i < numsurfaces;i++)
+ {
+ msurface_t *surface = r_refdef.scene.worldmodel->data_surfaces + surfacelist[i];
+ surfacesides[i] = R_Shadow_CalcBBoxSideMask(surface->mins, surface->maxs, &rtlight->matrix_worldtolight, &radiustolight, borderbias);
+ castermask |= surfacesides[i];
+ receivermask |= surfacesides[i];
+ }
+ }
+ }
+ if (receivermask < 0x3F)
+ {
+ for (i = 0;i < numlightentities;i++)
+ receivermask |= R_Shadow_CalcEntitySideMask(lightentities[i], &rtlight->matrix_worldtolight, &radiustolight, borderbias);
+ if (receivermask < 0x3F)
+ for(i = 0; i < numlightentities_noselfshadow;i++)
+ receivermask |= R_Shadow_CalcEntitySideMask(lightentities_noselfshadow[i], &rtlight->matrix_worldtolight, &radiustolight, borderbias);
+ }
+
+ receivermask &= R_Shadow_CullFrustumSides(rtlight, size, r_shadow_shadowmapborder);
+
+ if (receivermask)
+ {
+ for (i = 0;i < numshadowentities;i++)
+ castermask |= (entitysides[i] = R_Shadow_CalcEntitySideMask(shadowentities[i], &rtlight->matrix_worldtolight, &radiustolight, borderbias));
+ for (i = 0;i < numshadowentities_noselfshadow;i++)
+ castermask |= (entitysides_noselfshadow[i] = R_Shadow_CalcEntitySideMask(shadowentities_noselfshadow[i], &rtlight->matrix_worldtolight, &radiustolight, borderbias));
+ }
+
+ //Con_Printf("distance %f lodlinear %i (lod %i) size %i\n", distance, lodlinear, r_shadow_shadowmaplod, size);
+
+ // render shadow casters into 6 sided depth texture
+ for (side = 0;side < 6;side++) if (receivermask & (1 << side))
+ {
+ R_Shadow_RenderMode_ShadowMap(side, receivermask, size);
+ if (! (castermask & (1 << side))) continue;
+ if (numsurfaces)
+ R_Shadow_DrawWorldShadow_ShadowMap(numsurfaces, surfacelist, shadowtrispvs, surfacesides);
+ for (i = 0;i < numshadowentities;i++) if (entitysides[i] & (1 << side))
+ R_Shadow_DrawEntityShadow(shadowentities[i]);
+ }
+
+ if (numlightentities_noselfshadow)
+ {
+ // render lighting using the depth texture as shadowmap
+ // draw lighting in the unmasked areas
+ R_Shadow_RenderMode_Lighting(false, false, true);
+ for (i = 0;i < numlightentities_noselfshadow;i++)
+ R_Shadow_DrawEntityLight(lightentities_noselfshadow[i]);
+ }
+
+ // render shadow casters into 6 sided depth texture
+ if (numshadowentities_noselfshadow)
+ {
+ for (side = 0;side < 6;side++) if ((receivermask & castermask) & (1 << side))
+ {
+ R_Shadow_RenderMode_ShadowMap(side, 0, size);
+ for (i = 0;i < numshadowentities_noselfshadow;i++) if (entitysides_noselfshadow[i] & (1 << side))
+ R_Shadow_DrawEntityShadow(shadowentities_noselfshadow[i]);
+ }
+ }
+
+ // render lighting using the depth texture as shadowmap
+ // draw lighting in the unmasked areas
+ R_Shadow_RenderMode_Lighting(false, false, true);
+ // draw lighting in the unmasked areas
+ if (numsurfaces)
+ R_Shadow_DrawWorldLight(numsurfaces, surfacelist, lighttrispvs);
+ for (i = 0;i < numlightentities;i++)
+ R_Shadow_DrawEntityLight(lightentities[i]);
+ }
+ else if (castshadows && vid.stencil)
+ {
+ // draw stencil shadow volumes to mask off pixels that are in shadow
+ // so that they won't receive lighting
+ GL_Scissor(r_shadow_lightscissor[0], r_shadow_lightscissor[1], r_shadow_lightscissor[2], r_shadow_lightscissor[3]);
+ R_Shadow_ClearStencil();
+
+ if (numsurfaces)
+ R_Shadow_DrawWorldShadow_ShadowVolume(numsurfaces, surfacelist, shadowtrispvs);
+ for (i = 0;i < numshadowentities;i++)
+ R_Shadow_DrawEntityShadow(shadowentities[i]);
+
+ // draw lighting in the unmasked areas
+ R_Shadow_RenderMode_Lighting(true, false, false);
+ for (i = 0;i < numlightentities_noselfshadow;i++)
+ R_Shadow_DrawEntityLight(lightentities_noselfshadow[i]);
+
+ for (i = 0;i < numshadowentities_noselfshadow;i++)
+ R_Shadow_DrawEntityShadow(shadowentities_noselfshadow[i]);
+
+ // draw lighting in the unmasked areas
+ R_Shadow_RenderMode_Lighting(true, false, false);
+ if (numsurfaces)
+ R_Shadow_DrawWorldLight(numsurfaces, surfacelist, lighttrispvs);
+ for (i = 0;i < numlightentities;i++)
+ R_Shadow_DrawEntityLight(lightentities[i]);
+ }
+ else
+ {
+ // draw lighting in the unmasked areas
+ R_Shadow_RenderMode_Lighting(false, false, false);
+ if (numsurfaces)
+ R_Shadow_DrawWorldLight(numsurfaces, surfacelist, lighttrispvs);
+ for (i = 0;i < numlightentities;i++)
+ R_Shadow_DrawEntityLight(lightentities[i]);
+ for (i = 0;i < numlightentities_noselfshadow;i++)
+ R_Shadow_DrawEntityLight(lightentities_noselfshadow[i]);
+ }
+
+ if (r_shadow_usingdeferredprepass)
+ {
+ // when rendering deferred lighting, we simply rasterize the box
+ if (castshadows && r_shadow_shadowmode == R_SHADOW_SHADOWMODE_SHADOWMAP2D)
+ R_Shadow_RenderMode_DrawDeferredLight(false, true);
+ else if (castshadows && vid.stencil)
+ R_Shadow_RenderMode_DrawDeferredLight(true, false);
+ else
+ R_Shadow_RenderMode_DrawDeferredLight(false, false);
+ }
+}
+
+static void R_Shadow_FreeDeferred(void)
+{
+ R_Mesh_DestroyFramebufferObject(r_shadow_prepassgeometryfbo);
+ r_shadow_prepassgeometryfbo = 0;
+
+ R_Mesh_DestroyFramebufferObject(r_shadow_prepasslightingdiffusespecularfbo);
+ r_shadow_prepasslightingdiffusespecularfbo = 0;
+
+ R_Mesh_DestroyFramebufferObject(r_shadow_prepasslightingdiffusefbo);
+ r_shadow_prepasslightingdiffusefbo = 0;
+
+ if (r_shadow_prepassgeometrydepthtexture)
+ R_FreeTexture(r_shadow_prepassgeometrydepthtexture);
+ r_shadow_prepassgeometrydepthtexture = NULL;
+
+ if (r_shadow_prepassgeometrydepthcolortexture)
+ R_FreeTexture(r_shadow_prepassgeometrydepthcolortexture);
+ r_shadow_prepassgeometrydepthcolortexture = NULL;
+
+ if (r_shadow_prepassgeometrynormalmaptexture)
+ R_FreeTexture(r_shadow_prepassgeometrynormalmaptexture);
+ r_shadow_prepassgeometrynormalmaptexture = NULL;
+
+ if (r_shadow_prepasslightingdiffusetexture)
+ R_FreeTexture(r_shadow_prepasslightingdiffusetexture);
+ r_shadow_prepasslightingdiffusetexture = NULL;
+
+ if (r_shadow_prepasslightingspeculartexture)
+ R_FreeTexture(r_shadow_prepasslightingspeculartexture);
+ r_shadow_prepasslightingspeculartexture = NULL;
+}
+
+void R_Shadow_DrawPrepass(void)
+{
+ int i;
+ int flag;
+ int lnum;
+ size_t lightindex;
+ dlight_t *light;
+ size_t range;
+ entity_render_t *ent;
+ float clearcolor[4];
+
+ R_Mesh_ResetTextureState();
+ GL_DepthMask(true);
+ GL_ColorMask(1,1,1,1);
+ GL_BlendFunc(GL_ONE, GL_ZERO);
+ GL_Color(1,1,1,1);
+ GL_DepthTest(true);
+ R_Mesh_SetRenderTargets(r_shadow_prepassgeometryfbo, r_shadow_prepassgeometrydepthtexture, r_shadow_prepassgeometrynormalmaptexture, r_shadow_prepassgeometrydepthcolortexture, NULL, NULL);
+ Vector4Set(clearcolor, 0.5f,0.5f,0.5f,1.0f);
+ GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT, clearcolor, 1.0f, 0);
+ if (r_timereport_active)
+ R_TimeReport("prepasscleargeom");
+
+ if (cl.csqc_vidvars.drawworld && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->DrawPrepass)
+ r_refdef.scene.worldmodel->DrawPrepass(r_refdef.scene.worldentity);
+ if (r_timereport_active)
+ R_TimeReport("prepassworld");
+
+ for (i = 0;i < r_refdef.scene.numentities;i++)
+ {
+ if (!r_refdef.viewcache.entityvisible[i])
+ continue;
+ ent = r_refdef.scene.entities[i];
+ if (ent->model && ent->model->DrawPrepass != NULL)
+ ent->model->DrawPrepass(ent);
+ }
+
+ if (r_timereport_active)
+ R_TimeReport("prepassmodels");
+
+ GL_DepthMask(false);
+ GL_ColorMask(1,1,1,1);
+ GL_Color(1,1,1,1);
+ GL_DepthTest(true);
+ R_Mesh_SetRenderTargets(r_shadow_prepasslightingdiffusespecularfbo, r_shadow_prepassgeometrydepthtexture, r_shadow_prepasslightingdiffusetexture, r_shadow_prepasslightingspeculartexture, NULL, NULL);
+ Vector4Set(clearcolor, 0, 0, 0, 0);
+ GL_Clear(GL_COLOR_BUFFER_BIT, clearcolor, 1.0f, 0);
+ if (r_timereport_active)
+ R_TimeReport("prepassclearlit");
+
+ R_Shadow_RenderMode_Begin();
+
+ flag = r_refdef.scene.rtworld ? LIGHTFLAG_REALTIMEMODE : LIGHTFLAG_NORMALMODE;
+ if (r_shadow_debuglight.integer >= 0)
+ {
+ lightindex = r_shadow_debuglight.integer;
+ light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex);
+ if (light && (light->flags & flag) && light->rtlight.draw)
+ R_Shadow_DrawLight(&light->rtlight);
+ }
+ else
+ {
+ range = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray); // checked
+ for (lightindex = 0;lightindex < range;lightindex++)
+ {
+ light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex);
+ if (light && (light->flags & flag) && light->rtlight.draw)
+ R_Shadow_DrawLight(&light->rtlight);
+ }
+ }
+ if (r_refdef.scene.rtdlight)
+ for (lnum = 0;lnum < r_refdef.scene.numlights;lnum++)
+ if (r_refdef.scene.lights[lnum]->draw)
+ R_Shadow_DrawLight(r_refdef.scene.lights[lnum]);
+
+ R_Mesh_SetMainRenderTargets();
+
+ R_Shadow_RenderMode_End();
+
+ if (r_timereport_active)
+ R_TimeReport("prepasslights");
+}
+
+void R_Shadow_DrawLightSprites(void);
+void R_Shadow_PrepareLights(void)
+{
+ int flag;
+ int lnum;
+ size_t lightindex;
+ dlight_t *light;
+ size_t range;
+ float f;
+ GLenum status;
+
+ if (r_shadow_shadowmapmaxsize != bound(1, r_shadow_shadowmapping_maxsize.integer, (int)vid.maxtexturesize_2d / 4) ||
+ (r_shadow_shadowmode != R_SHADOW_SHADOWMODE_STENCIL) != (r_shadow_shadowmapping.integer || r_shadow_deferred.integer) ||
+ r_shadow_shadowmapvsdct != (r_shadow_shadowmapping_vsdct.integer != 0 && vid.renderpath == RENDERPATH_GL20) ||
+ r_shadow_shadowmapfilterquality != r_shadow_shadowmapping_filterquality.integer ||
+ r_shadow_shadowmapdepthbits != r_shadow_shadowmapping_depthbits.integer ||
+ r_shadow_shadowmapborder != bound(0, r_shadow_shadowmapping_bordersize.integer, 16))
+ R_Shadow_FreeShadowMaps();
+
+ r_shadow_usingshadowmaportho = false;
+
+ switch (vid.renderpath)
+ {
+ case RENDERPATH_GL20:
+ case RENDERPATH_D3D9:
+ case RENDERPATH_D3D10:
+ case RENDERPATH_D3D11:
+ case RENDERPATH_SOFT:
+ case RENDERPATH_GLES2:
+ if (!r_shadow_deferred.integer || r_shadow_shadowmode == R_SHADOW_SHADOWMODE_STENCIL || !vid.support.ext_framebuffer_object || vid.maxdrawbuffers < 2)
+ {
+ r_shadow_usingdeferredprepass = false;
+ if (r_shadow_prepass_width)
+ R_Shadow_FreeDeferred();
+ r_shadow_prepass_width = r_shadow_prepass_height = 0;
+ break;
+ }
+
+ if (r_shadow_prepass_width != vid.width || r_shadow_prepass_height != vid.height)
+ {
+ R_Shadow_FreeDeferred();
+
+ r_shadow_usingdeferredprepass = true;
+ r_shadow_prepass_width = vid.width;
+ r_shadow_prepass_height = vid.height;
+ r_shadow_prepassgeometrydepthtexture = R_LoadTextureShadowMap2D(r_shadow_texturepool, "prepassgeometrydepthmap", vid.width, vid.height, 24, false);
+ switch (vid.renderpath)
+ {
+ case RENDERPATH_D3D9:
+ r_shadow_prepassgeometrydepthcolortexture = R_LoadTexture2D(r_shadow_texturepool, "prepassgeometrydepthcolormap", vid.width, vid.height, NULL, TEXTYPE_COLORBUFFER, TEXF_RENDERTARGET | TEXF_CLAMP | TEXF_ALPHA | TEXF_FORCENEAREST, -1, NULL);
+ break;
+ default:
+ break;
+ }
+ r_shadow_prepassgeometrynormalmaptexture = R_LoadTexture2D(r_shadow_texturepool, "prepassgeometrynormalmap", vid.width, vid.height, NULL, TEXTYPE_COLORBUFFER, TEXF_RENDERTARGET | TEXF_CLAMP | TEXF_ALPHA | TEXF_FORCENEAREST, -1, NULL);
+ r_shadow_prepasslightingdiffusetexture = R_LoadTexture2D(r_shadow_texturepool, "prepasslightingdiffuse", vid.width, vid.height, NULL, TEXTYPE_COLORBUFFER, TEXF_RENDERTARGET | TEXF_CLAMP | TEXF_ALPHA | TEXF_FORCENEAREST, -1, NULL);
+ r_shadow_prepasslightingspeculartexture = R_LoadTexture2D(r_shadow_texturepool, "prepasslightingspecular", vid.width, vid.height, NULL, TEXTYPE_COLORBUFFER, TEXF_RENDERTARGET | TEXF_CLAMP | TEXF_ALPHA | TEXF_FORCENEAREST, -1, NULL);
+
+ // set up the geometry pass fbo (depth + normalmap)
+ r_shadow_prepassgeometryfbo = R_Mesh_CreateFramebufferObject(r_shadow_prepassgeometrydepthtexture, r_shadow_prepassgeometrynormalmaptexture, NULL, NULL, NULL);
+ R_Mesh_SetRenderTargets(r_shadow_prepassgeometryfbo, r_shadow_prepassgeometrydepthtexture, r_shadow_prepassgeometrynormalmaptexture, r_shadow_prepassgeometrydepthcolortexture, NULL, NULL);
+ // render depth into one texture and normalmap into the other
+ if (qglDrawBuffersARB)
+ {
+ qglDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);CHECKGLERROR
+ qglReadBuffer(GL_NONE);CHECKGLERROR
+ status = qglCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);CHECKGLERROR
+ if (status != GL_FRAMEBUFFER_COMPLETE_EXT)
+ {
+ Con_Printf("R_PrepareRTLights: glCheckFramebufferStatusEXT returned %i\n", status);
+ Cvar_SetValueQuick(&r_shadow_deferred, 0);
+ r_shadow_usingdeferredprepass = false;
+ }
+ }
+
+ // set up the lighting pass fbo (diffuse + specular)
+ r_shadow_prepasslightingdiffusespecularfbo = R_Mesh_CreateFramebufferObject(r_shadow_prepassgeometrydepthtexture, r_shadow_prepasslightingdiffusetexture, r_shadow_prepasslightingspeculartexture, NULL, NULL);
+ R_Mesh_SetRenderTargets(r_shadow_prepasslightingdiffusespecularfbo, r_shadow_prepassgeometrydepthtexture, r_shadow_prepasslightingdiffusetexture, r_shadow_prepasslightingspeculartexture, NULL, NULL);
+ // render diffuse into one texture and specular into another,
+ // with depth and normalmap bound as textures,
+ // with depth bound as attachment as well
+ if (qglDrawBuffersARB)
+ {
+ qglDrawBuffersARB(2, r_shadow_prepasslightingdrawbuffers);CHECKGLERROR
+ qglReadBuffer(GL_NONE);CHECKGLERROR
+ status = qglCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);CHECKGLERROR
+ if (status != GL_FRAMEBUFFER_COMPLETE_EXT)
+ {
+ Con_Printf("R_PrepareRTLights: glCheckFramebufferStatusEXT returned %i\n", status);
+ Cvar_SetValueQuick(&r_shadow_deferred, 0);
+ r_shadow_usingdeferredprepass = false;
+ }
+ }
+
+ // set up the lighting pass fbo (diffuse)
+ r_shadow_prepasslightingdiffusefbo = R_Mesh_CreateFramebufferObject(r_shadow_prepassgeometrydepthtexture, r_shadow_prepasslightingdiffusetexture, NULL, NULL, NULL);
+ R_Mesh_SetRenderTargets(r_shadow_prepasslightingdiffusefbo, r_shadow_prepassgeometrydepthtexture, r_shadow_prepasslightingdiffusetexture, NULL, NULL, NULL);
+ // render diffuse into one texture,
+ // with depth and normalmap bound as textures,
+ // with depth bound as attachment as well
+ if (qglDrawBuffersARB)
+ {
+ qglDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);CHECKGLERROR
+ qglReadBuffer(GL_NONE);CHECKGLERROR
+ status = qglCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);CHECKGLERROR
+ if (status != GL_FRAMEBUFFER_COMPLETE_EXT)
+ {
+ Con_Printf("R_PrepareRTLights: glCheckFramebufferStatusEXT returned %i\n", status);
+ Cvar_SetValueQuick(&r_shadow_deferred, 0);
+ r_shadow_usingdeferredprepass = false;
+ }
+ }
+ }
+ break;
+ case RENDERPATH_GL11:
+ case RENDERPATH_GL13:
+ case RENDERPATH_GLES1:
+ r_shadow_usingdeferredprepass = false;
+ break;
+ }
+
+ R_Shadow_EnlargeLeafSurfaceTrisBuffer(r_refdef.scene.worldmodel->brush.num_leafs, r_refdef.scene.worldmodel->num_surfaces, r_refdef.scene.worldmodel->brush.shadowmesh ? r_refdef.scene.worldmodel->brush.shadowmesh->numtriangles : r_refdef.scene.worldmodel->surfmesh.num_triangles, r_refdef.scene.worldmodel->surfmesh.num_triangles);
+
+ flag = r_refdef.scene.rtworld ? LIGHTFLAG_REALTIMEMODE : LIGHTFLAG_NORMALMODE;
+ if (r_shadow_bouncegrid.integer != 2)
+ {
+ if (r_shadow_debuglight.integer >= 0)
+ {
+ lightindex = r_shadow_debuglight.integer;
+ light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex);
+ if (light)
+ R_Shadow_PrepareLight(&light->rtlight);
+ }
+ else
+ {
+ range = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray); // checked
+ for (lightindex = 0;lightindex < range;lightindex++)
+ {
+ light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex);
+ if (light && (light->flags & flag))
+ R_Shadow_PrepareLight(&light->rtlight);
+ }
+ }
+ }
+ if (r_refdef.scene.rtdlight)
+ {
+ for (lnum = 0;lnum < r_refdef.scene.numlights;lnum++)
+ R_Shadow_PrepareLight(r_refdef.scene.lights[lnum]);
+ }
+ else if(gl_flashblend.integer)
+ {
+ for (lnum = 0;lnum < r_refdef.scene.numlights;lnum++)
+ {
+ rtlight_t *rtlight = r_refdef.scene.lights[lnum];
+ f = (rtlight->style >= 0 ? r_refdef.scene.lightstylevalue[rtlight->style] : 1) * r_shadow_lightintensityscale.value;
+ VectorScale(rtlight->color, f, rtlight->currentcolor);
+ }
+ }
+
+ if (r_editlights.integer)
+ R_Shadow_DrawLightSprites();
+}
+
+void R_Shadow_DrawLights(void)
+{
+ int flag;
+ int lnum;
+ size_t lightindex;
+ dlight_t *light;
+ size_t range;
+
+ R_Shadow_RenderMode_Begin();
+
+ if (r_shadow_bouncegrid.integer != 2)
+ {
+ flag = r_refdef.scene.rtworld ? LIGHTFLAG_REALTIMEMODE : LIGHTFLAG_NORMALMODE;
+ if (r_shadow_debuglight.integer >= 0)
+ {
+ lightindex = r_shadow_debuglight.integer;
+ light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex);
+ if (light)
+ R_Shadow_DrawLight(&light->rtlight);
+ }
+ else
+ {
+ range = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray); // checked
+ for (lightindex = 0;lightindex < range;lightindex++)
+ {
+ light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex);
+ if (light && (light->flags & flag))
+ R_Shadow_DrawLight(&light->rtlight);
+ }
+ }
+ }
+ if (r_refdef.scene.rtdlight)
+ for (lnum = 0;lnum < r_refdef.scene.numlights;lnum++)
+ R_Shadow_DrawLight(r_refdef.scene.lights[lnum]);
+
+ R_Shadow_RenderMode_End();
+}
+
+extern const float r_screenvertex3f[12];
+extern void R_SetupView(qboolean allowwaterclippingplane);
+extern void R_ResetViewRendering3D(void);
+extern void R_ResetViewRendering2D(void);
+extern cvar_t r_shadows;
+extern cvar_t r_shadows_darken;
+extern cvar_t r_shadows_drawafterrtlighting;
+extern cvar_t r_shadows_castfrombmodels;
+extern cvar_t r_shadows_throwdistance;
+extern cvar_t r_shadows_throwdirection;
+extern cvar_t r_shadows_focus;
+extern cvar_t r_shadows_shadowmapscale;
+
+void R_Shadow_PrepareModelShadows(void)
+{
+ int i;
+ float scale, size, radius, dot1, dot2;
+ vec3_t shadowdir, shadowforward, shadowright, shadoworigin, shadowfocus, shadowmins, shadowmaxs;
+ entity_render_t *ent;
+
+ if (!r_refdef.scene.numentities)
+ return;
+
+ switch (r_shadow_shadowmode)
+ {
+ case R_SHADOW_SHADOWMODE_SHADOWMAP2D:
+ if (r_shadows.integer >= 2)
+ break;
+ // fall through
+ case R_SHADOW_SHADOWMODE_STENCIL:
+ for (i = 0;i < r_refdef.scene.numentities;i++)
+ {
+ ent = r_refdef.scene.entities[i];
+ if (!ent->animcache_vertex3f && ent->model && ent->model->DrawShadowVolume != NULL && (!ent->model->brush.submodel || r_shadows_castfrombmodels.integer) && (ent->flags & RENDER_SHADOW))
+ R_AnimCache_GetEntity(ent, false, false);
+ }
+ return;
+ default:
+ return;
+ }
+
+ size = 2*r_shadow_shadowmapmaxsize;
+ scale = r_shadow_shadowmapping_precision.value * r_shadows_shadowmapscale.value;
+ radius = 0.5f * size / scale;
+
+ Math_atov(r_shadows_throwdirection.string, shadowdir);
+ VectorNormalize(shadowdir);
+ dot1 = DotProduct(r_refdef.view.forward, shadowdir);
+ dot2 = DotProduct(r_refdef.view.up, shadowdir);
+ if (fabs(dot1) <= fabs(dot2))
+ VectorMA(r_refdef.view.forward, -dot1, shadowdir, shadowforward);
+ else
+ VectorMA(r_refdef.view.up, -dot2, shadowdir, shadowforward);
+ VectorNormalize(shadowforward);
+ CrossProduct(shadowdir, shadowforward, shadowright);
+ Math_atov(r_shadows_focus.string, shadowfocus);
+ VectorM(shadowfocus[0], r_refdef.view.right, shadoworigin);
+ VectorMA(shadoworigin, shadowfocus[1], r_refdef.view.up, shadoworigin);
+ VectorMA(shadoworigin, -shadowfocus[2], r_refdef.view.forward, shadoworigin);
+ VectorAdd(shadoworigin, r_refdef.view.origin, shadoworigin);
+ if (shadowfocus[0] || shadowfocus[1] || shadowfocus[2])
+ dot1 = 1;
+ VectorMA(shadoworigin, (1.0f - fabs(dot1)) * radius, shadowforward, shadoworigin);
+
+ shadowmins[0] = shadoworigin[0] - r_shadows_throwdistance.value * fabs(shadowdir[0]) - radius * (fabs(shadowforward[0]) + fabs(shadowright[0]));
+ shadowmins[1] = shadoworigin[1] - r_shadows_throwdistance.value * fabs(shadowdir[1]) - radius * (fabs(shadowforward[1]) + fabs(shadowright[1]));
+ shadowmins[2] = shadoworigin[2] - r_shadows_throwdistance.value * fabs(shadowdir[2]) - radius * (fabs(shadowforward[2]) + fabs(shadowright[2]));
+ shadowmaxs[0] = shadoworigin[0] + r_shadows_throwdistance.value * fabs(shadowdir[0]) + radius * (fabs(shadowforward[0]) + fabs(shadowright[0]));
+ shadowmaxs[1] = shadoworigin[1] + r_shadows_throwdistance.value * fabs(shadowdir[1]) + radius * (fabs(shadowforward[1]) + fabs(shadowright[1]));
+ shadowmaxs[2] = shadoworigin[2] + r_shadows_throwdistance.value * fabs(shadowdir[2]) + radius * (fabs(shadowforward[2]) + fabs(shadowright[2]));
+
+ for (i = 0;i < r_refdef.scene.numentities;i++)
+ {
+ ent = r_refdef.scene.entities[i];
+ if (!BoxesOverlap(ent->mins, ent->maxs, shadowmins, shadowmaxs))
+ continue;
+ // cast shadows from anything of the map (submodels are optional)
+ if (!ent->animcache_vertex3f && ent->model && ent->model->DrawShadowMap != NULL && (!ent->model->brush.submodel || r_shadows_castfrombmodels.integer) && (ent->flags & RENDER_SHADOW))
+ R_AnimCache_GetEntity(ent, false, false);
+ }
+}
+
+void R_DrawModelShadowMaps(void)
+{
+ int i;
+ float relativethrowdistance, scale, size, radius, nearclip, farclip, bias, dot1, dot2;
+ entity_render_t *ent;
+ vec3_t relativelightorigin;
+ vec3_t relativelightdirection, relativeforward, relativeright;
+ vec3_t relativeshadowmins, relativeshadowmaxs;
+ vec3_t shadowdir, shadowforward, shadowright, shadoworigin, shadowfocus;
+ float m[12];
+ matrix4x4_t shadowmatrix, cameramatrix, mvpmatrix, invmvpmatrix, scalematrix, texmatrix;
+ r_viewport_t viewport;
+ GLuint fbo = 0;
+ float clearcolor[4];
+
+ if (!r_refdef.scene.numentities)
+ return;
+
+ switch (r_shadow_shadowmode)
+ {
+ case R_SHADOW_SHADOWMODE_SHADOWMAP2D:
+ break;
+ default:
+ return;
+ }
+
+ R_ResetViewRendering3D();
+ R_Shadow_RenderMode_Begin();
+ R_Shadow_RenderMode_ActiveLight(NULL);
+
+ switch (r_shadow_shadowmode)
+ {
+ case R_SHADOW_SHADOWMODE_SHADOWMAP2D:
+ if (!r_shadow_shadowmap2dtexture)
+ R_Shadow_MakeShadowMap(0, r_shadow_shadowmapmaxsize);
+ fbo = r_shadow_fbo2d;
+ r_shadow_shadowmap_texturescale[0] = 1.0f / R_TextureWidth(r_shadow_shadowmap2dtexture);
+ r_shadow_shadowmap_texturescale[1] = 1.0f / R_TextureHeight(r_shadow_shadowmap2dtexture);
+ r_shadow_rendermode = R_SHADOW_RENDERMODE_SHADOWMAP2D;
+ break;
+ default:
+ break;
+ }
+
+ size = 2*r_shadow_shadowmapmaxsize;
+ scale = (r_shadow_shadowmapping_precision.value * r_shadows_shadowmapscale.value) / size;
+ radius = 0.5f / scale;
+ nearclip = -r_shadows_throwdistance.value;
+ farclip = r_shadows_throwdistance.value;
+ bias = r_shadow_shadowmapping_bias.value * r_shadow_shadowmapping_nearclip.value / (2 * r_shadows_throwdistance.value) * (1024.0f / size);
+
+ r_shadow_shadowmap_parameters[0] = size;
+ r_shadow_shadowmap_parameters[1] = size;
+ r_shadow_shadowmap_parameters[2] = 1.0;
+ r_shadow_shadowmap_parameters[3] = bound(0.0f, 1.0f - r_shadows_darken.value, 1.0f);
+
+ Math_atov(r_shadows_throwdirection.string, shadowdir);
+ VectorNormalize(shadowdir);
+ Math_atov(r_shadows_focus.string, shadowfocus);
+ VectorM(shadowfocus[0], r_refdef.view.right, shadoworigin);
+ VectorMA(shadoworigin, shadowfocus[1], r_refdef.view.up, shadoworigin);
+ VectorMA(shadoworigin, -shadowfocus[2], r_refdef.view.forward, shadoworigin);
+ VectorAdd(shadoworigin, r_refdef.view.origin, shadoworigin);
+ dot1 = DotProduct(r_refdef.view.forward, shadowdir);
+ dot2 = DotProduct(r_refdef.view.up, shadowdir);
+ if (fabs(dot1) <= fabs(dot2))
+ VectorMA(r_refdef.view.forward, -dot1, shadowdir, shadowforward);
+ else
+ VectorMA(r_refdef.view.up, -dot2, shadowdir, shadowforward);
+ VectorNormalize(shadowforward);
+ VectorM(scale, shadowforward, &m[0]);
+ if (shadowfocus[0] || shadowfocus[1] || shadowfocus[2])
+ dot1 = 1;
+ m[3] = fabs(dot1) * 0.5f - DotProduct(shadoworigin, &m[0]);
+ CrossProduct(shadowdir, shadowforward, shadowright);
+ VectorM(scale, shadowright, &m[4]);
+ m[7] = 0.5f - DotProduct(shadoworigin, &m[4]);
+ VectorM(1.0f / (farclip - nearclip), shadowdir, &m[8]);
+ m[11] = 0.5f - DotProduct(shadoworigin, &m[8]);
+ Matrix4x4_FromArray12FloatD3D(&shadowmatrix, m);
+ Matrix4x4_Invert_Full(&cameramatrix, &shadowmatrix);
+ R_Viewport_InitOrtho(&viewport, &cameramatrix, 0, 0, size, size, 0, 0, 1, 1, 0, -1, NULL);
+
+ VectorMA(shadoworigin, (1.0f - fabs(dot1)) * radius, shadowforward, shadoworigin);
+
+ R_Mesh_SetRenderTargets(fbo, r_shadow_shadowmap2dtexture, r_shadow_shadowmap2dcolortexture, NULL, NULL, NULL);
+ R_SetupShader_DepthOrShadow(true);
+ GL_PolygonOffset(r_shadow_shadowmapping_polygonfactor.value, r_shadow_shadowmapping_polygonoffset.value);
+ GL_DepthMask(true);
+ GL_DepthTest(true);
+ R_SetViewport(&viewport);
+ GL_Scissor(viewport.x, viewport.y, min(viewport.width + r_shadow_shadowmapborder, 2*r_shadow_shadowmapmaxsize), viewport.height + r_shadow_shadowmapborder);
+ Vector4Set(clearcolor, 1,1,1,1);
+ // in D3D9 we have to render to a color texture shadowmap
+ // in GL we render directly to a depth texture only
+ if (r_shadow_shadowmap2dtexture)
+ GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT, clearcolor, 1.0f, 0);
+ else
+ GL_Clear(GL_DEPTH_BUFFER_BIT, clearcolor, 1.0f, 0);
+ // render into a slightly restricted region so that the borders of the
+ // shadowmap area fade away, rather than streaking across everything
+ // outside the usable area
+ GL_Scissor(viewport.x + r_shadow_shadowmapborder, viewport.y + r_shadow_shadowmapborder, viewport.width - 2*r_shadow_shadowmapborder, viewport.height - 2*r_shadow_shadowmapborder);
+
+#if 0
+ // debugging
+ R_Mesh_SetMainRenderTargets();
+ R_SetupShader_ShowDepth(true);
+ GL_ColorMask(1,1,1,1);
+ GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT, clearcolor, 1.0f, 0);
+#endif
+
+ for (i = 0;i < r_refdef.scene.numentities;i++)
+ {
+ ent = r_refdef.scene.entities[i];
+
+ // cast shadows from anything of the map (submodels are optional)
+ if (ent->model && ent->model->DrawShadowMap != NULL && (!ent->model->brush.submodel || r_shadows_castfrombmodels.integer) && (ent->flags & RENDER_SHADOW))
+ {
+ relativethrowdistance = r_shadows_throwdistance.value * Matrix4x4_ScaleFromMatrix(&ent->inversematrix);
+ Matrix4x4_Transform(&ent->inversematrix, shadoworigin, relativelightorigin);
+ Matrix4x4_Transform3x3(&ent->inversematrix, shadowdir, relativelightdirection);
+ Matrix4x4_Transform3x3(&ent->inversematrix, shadowforward, relativeforward);
+ Matrix4x4_Transform3x3(&ent->inversematrix, shadowright, relativeright);
+ relativeshadowmins[0] = relativelightorigin[0] - r_shadows_throwdistance.value * fabs(relativelightdirection[0]) - radius * (fabs(relativeforward[0]) + fabs(relativeright[0]));
+ relativeshadowmins[1] = relativelightorigin[1] - r_shadows_throwdistance.value * fabs(relativelightdirection[1]) - radius * (fabs(relativeforward[1]) + fabs(relativeright[1]));
+ relativeshadowmins[2] = relativelightorigin[2] - r_shadows_throwdistance.value * fabs(relativelightdirection[2]) - radius * (fabs(relativeforward[2]) + fabs(relativeright[2]));
+ relativeshadowmaxs[0] = relativelightorigin[0] + r_shadows_throwdistance.value * fabs(relativelightdirection[0]) + radius * (fabs(relativeforward[0]) + fabs(relativeright[0]));
+ relativeshadowmaxs[1] = relativelightorigin[1] + r_shadows_throwdistance.value * fabs(relativelightdirection[1]) + radius * (fabs(relativeforward[1]) + fabs(relativeright[1]));
+ relativeshadowmaxs[2] = relativelightorigin[2] + r_shadows_throwdistance.value * fabs(relativelightdirection[2]) + radius * (fabs(relativeforward[2]) + fabs(relativeright[2]));
+ RSurf_ActiveModelEntity(ent, false, false, false);
+ ent->model->DrawShadowMap(0, ent, relativelightorigin, relativelightdirection, relativethrowdistance, ent->model->nummodelsurfaces, ent->model->sortedmodelsurfaces, NULL, relativeshadowmins, relativeshadowmaxs);
+ rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
+ }
+ }
+
+#if 0
+ if (r_test.integer)
+ {
+ unsigned char *rawpixels = Z_Malloc(viewport.width*viewport.height*4);
+ CHECKGLERROR
+ qglReadPixels(viewport.x, viewport.y, viewport.width, viewport.height, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, rawpixels);
+ CHECKGLERROR
+ Image_WriteTGABGRA("r_shadows_2.tga", viewport.width, viewport.height, rawpixels);
+ Cvar_SetValueQuick(&r_test, 0);
+ Z_Free(rawpixels);
+ }
+#endif
+
+ R_Shadow_RenderMode_End();
+
+ Matrix4x4_Concat(&mvpmatrix, &r_refdef.view.viewport.projectmatrix, &r_refdef.view.viewport.viewmatrix);
+ Matrix4x4_Invert_Full(&invmvpmatrix, &mvpmatrix);
+ Matrix4x4_CreateScale3(&scalematrix, size, -size, 1);
+ Matrix4x4_AdjustOrigin(&scalematrix, 0, size, -0.5f * bias);
+ Matrix4x4_Concat(&texmatrix, &scalematrix, &shadowmatrix);
+ Matrix4x4_Concat(&r_shadow_shadowmapmatrix, &texmatrix, &invmvpmatrix);
+
+ switch (vid.renderpath)
+ {
+ case RENDERPATH_GL11:
+ case RENDERPATH_GL13:
+ case RENDERPATH_GL20:
+ case RENDERPATH_SOFT:
+ case RENDERPATH_GLES1:
+ case RENDERPATH_GLES2:
+ break;
+ case RENDERPATH_D3D9:
+ case RENDERPATH_D3D10:
+ case RENDERPATH_D3D11:
+#ifdef OPENGL_ORIENTATION
+ r_shadow_shadowmapmatrix.m[0][0] *= -1.0f;
+ r_shadow_shadowmapmatrix.m[0][1] *= -1.0f;
+ r_shadow_shadowmapmatrix.m[0][2] *= -1.0f;
+ r_shadow_shadowmapmatrix.m[0][3] *= -1.0f;
+#else
+ r_shadow_shadowmapmatrix.m[0][0] *= -1.0f;
+ r_shadow_shadowmapmatrix.m[1][0] *= -1.0f;
+ r_shadow_shadowmapmatrix.m[2][0] *= -1.0f;
+ r_shadow_shadowmapmatrix.m[3][0] *= -1.0f;
+#endif
+ break;
+ }
+
+ r_shadow_usingshadowmaportho = true;
+ switch (r_shadow_shadowmode)
+ {
+ case R_SHADOW_SHADOWMODE_SHADOWMAP2D:
+ r_shadow_usingshadowmap2d = true;
+ break;
+ default:
+ break;
+ }
+}
+
+void R_DrawModelShadows(void)
+{
+ int i;
+ float relativethrowdistance;
+ entity_render_t *ent;
+ vec3_t relativelightorigin;
+ vec3_t relativelightdirection;
+ vec3_t relativeshadowmins, relativeshadowmaxs;
+ vec3_t tmp, shadowdir;
+
+ if (!r_refdef.scene.numentities || !vid.stencil || (r_shadow_shadowmode != R_SHADOW_SHADOWMODE_STENCIL && r_shadows.integer != 1))
+ return;
+
+ R_ResetViewRendering3D();
+ //GL_Scissor(r_refdef.view.viewport.x, r_refdef.view.viewport.y, r_refdef.view.viewport.width, r_refdef.view.viewport.height);
+ //GL_Scissor(r_refdef.view.x, vid.height - r_refdef.view.height - r_refdef.view.y, r_refdef.view.width, r_refdef.view.height);
+ R_Shadow_RenderMode_Begin();
+ R_Shadow_RenderMode_ActiveLight(NULL);
+ r_shadow_lightscissor[0] = r_refdef.view.x;
+ r_shadow_lightscissor[1] = vid.height - r_refdef.view.y - r_refdef.view.height;
+ r_shadow_lightscissor[2] = r_refdef.view.width;
+ r_shadow_lightscissor[3] = r_refdef.view.height;
+ R_Shadow_RenderMode_StencilShadowVolumes(false);
+
+ // get shadow dir
+ if (r_shadows.integer == 2)
+ {
+ Math_atov(r_shadows_throwdirection.string, shadowdir);
+ VectorNormalize(shadowdir);
+ }
+
+ R_Shadow_ClearStencil();
+
+ for (i = 0;i < r_refdef.scene.numentities;i++)
+ {
+ ent = r_refdef.scene.entities[i];
+
+ // cast shadows from anything of the map (submodels are optional)
+ if (ent->model && ent->model->DrawShadowVolume != NULL && (!ent->model->brush.submodel || r_shadows_castfrombmodels.integer) && (ent->flags & RENDER_SHADOW))
+ {
+ relativethrowdistance = r_shadows_throwdistance.value * Matrix4x4_ScaleFromMatrix(&ent->inversematrix);
+ VectorSet(relativeshadowmins, -relativethrowdistance, -relativethrowdistance, -relativethrowdistance);
+ VectorSet(relativeshadowmaxs, relativethrowdistance, relativethrowdistance, relativethrowdistance);
+ if (r_shadows.integer == 2) // 2: simpler mode, throw shadows always in same direction
+ Matrix4x4_Transform3x3(&ent->inversematrix, shadowdir, relativelightdirection);
+ else
+ {
+ if(ent->entitynumber != 0)
+ {
+ if(ent->entitynumber >= MAX_EDICTS) // csqc entity
+ {
+ // FIXME handle this
+ VectorNegate(ent->modellight_lightdir, relativelightdirection);
+ }
+ else
+ {
+ // networked entity - might be attached in some way (then we should use the parent's light direction, to not tear apart attached entities)
+ int entnum, entnum2, recursion;
+ entnum = entnum2 = ent->entitynumber;
+ for(recursion = 32; recursion > 0; --recursion)
+ {
+ entnum2 = cl.entities[entnum].state_current.tagentity;
+ if(entnum2 >= 1 && entnum2 < cl.num_entities && cl.entities_active[entnum2])
+ entnum = entnum2;
+ else
+ break;
+ }
+ if(recursion && recursion != 32) // if we followed a valid non-empty attachment chain
+ {
+ VectorNegate(cl.entities[entnum].render.modellight_lightdir, relativelightdirection);
+ // transform into modelspace of OUR entity
+ Matrix4x4_Transform3x3(&cl.entities[entnum].render.matrix, relativelightdirection, tmp);
+ Matrix4x4_Transform3x3(&ent->inversematrix, tmp, relativelightdirection);
+ }
+ else
+ VectorNegate(ent->modellight_lightdir, relativelightdirection);
+ }
+ }
+ else
+ VectorNegate(ent->modellight_lightdir, relativelightdirection);
+ }
+
+ VectorScale(relativelightdirection, -relativethrowdistance, relativelightorigin);
+ RSurf_ActiveModelEntity(ent, false, false, false);
+ ent->model->DrawShadowVolume(ent, relativelightorigin, relativelightdirection, relativethrowdistance, ent->model->nummodelsurfaces, ent->model->sortedmodelsurfaces, relativeshadowmins, relativeshadowmaxs);
+ rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
+ }
+ }
+
+ // not really the right mode, but this will disable any silly stencil features
+ R_Shadow_RenderMode_End();
+
+ // set up ortho view for rendering this pass
+ //GL_Scissor(r_refdef.view.x, vid.height - r_refdef.view.height - r_refdef.view.y, r_refdef.view.width, r_refdef.view.height);
+ //GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 1);
+ //GL_ScissorTest(true);
+ //R_EntityMatrix(&identitymatrix);
+ //R_Mesh_ResetTextureState();
+ R_ResetViewRendering2D();
+
+ // set up a darkening blend on shadowed areas
+ GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ //GL_DepthRange(0, 1);
+ //GL_DepthTest(false);
+ //GL_DepthMask(false);
+ //GL_PolygonOffset(0, 0);CHECKGLERROR
+ GL_Color(0, 0, 0, r_shadows_darken.value);
+ //GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 1);
+ //GL_DepthFunc(GL_ALWAYS);
+ R_SetStencil(true, 255, GL_KEEP, GL_KEEP, GL_KEEP, GL_NOTEQUAL, 128, 255);
+
+ // apply the blend to the shadowed areas
+ R_Mesh_PrepareVertices_Generic_Arrays(4, r_screenvertex3f, NULL, NULL);
+ R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1, true);
+ R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
+
+ // restore the viewport
+ R_SetViewport(&r_refdef.view.viewport);
+
+ // restore other state to normal
+ //R_Shadow_RenderMode_End();
+}
+
+void R_BeginCoronaQuery(rtlight_t *rtlight, float scale, qboolean usequery)
+{
+ float zdist;
+ vec3_t centerorigin;
+ float vertex3f[12];
+ // if it's too close, skip it
+ if (VectorLength(rtlight->currentcolor) < (1.0f / 256.0f))
+ return;
+ zdist = (DotProduct(rtlight->shadoworigin, r_refdef.view.forward) - DotProduct(r_refdef.view.origin, r_refdef.view.forward));
+ if (zdist < 32)
+ return;
+ if (usequery && r_numqueries + 2 <= r_maxqueries)
+ {
+ rtlight->corona_queryindex_allpixels = r_queries[r_numqueries++];
+ rtlight->corona_queryindex_visiblepixels = r_queries[r_numqueries++];
+ // we count potential samples in the middle of the screen, we count actual samples at the light location, this allows counting potential samples of off-screen lights
+ VectorMA(r_refdef.view.origin, zdist, r_refdef.view.forward, centerorigin);
+
+ switch(vid.renderpath)
+ {
+ case RENDERPATH_GL11:
+ case RENDERPATH_GL13:
+ case RENDERPATH_GL20:
+ case RENDERPATH_GLES1:
+ case RENDERPATH_GLES2:
+ CHECKGLERROR
+ // NOTE: GL_DEPTH_TEST must be enabled or ATI won't count samples, so use GL_DepthFunc instead
+ qglBeginQueryARB(GL_SAMPLES_PASSED_ARB, rtlight->corona_queryindex_allpixels);
+ GL_DepthFunc(GL_ALWAYS);
+ R_CalcSprite_Vertex3f(vertex3f, centerorigin, r_refdef.view.right, r_refdef.view.up, scale, -scale, -scale, scale);
+ R_Mesh_PrepareVertices_Vertex3f(4, vertex3f, NULL);
+ R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
+ qglEndQueryARB(GL_SAMPLES_PASSED_ARB);
+ GL_DepthFunc(GL_LEQUAL);
+ qglBeginQueryARB(GL_SAMPLES_PASSED_ARB, rtlight->corona_queryindex_visiblepixels);
+ R_CalcSprite_Vertex3f(vertex3f, rtlight->shadoworigin, r_refdef.view.right, r_refdef.view.up, scale, -scale, -scale, scale);
+ R_Mesh_PrepareVertices_Vertex3f(4, vertex3f, NULL);
+ R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
+ qglEndQueryARB(GL_SAMPLES_PASSED_ARB);
+ CHECKGLERROR
+ break;
+ case RENDERPATH_D3D9:
+ Con_DPrintf("FIXME D3D9 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
+ break;
+ case RENDERPATH_D3D10:
+ Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
+ break;
+ case RENDERPATH_D3D11:
+ Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
+ break;
+ case RENDERPATH_SOFT:
+ //Con_DPrintf("FIXME SOFT %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
+ break;
+ }
+ }
+ rtlight->corona_visibility = bound(0, (zdist - 32) / 32, 1);
+}
+
+static float spritetexcoord2f[4*2] = {0, 1, 0, 0, 1, 0, 1, 1};
+
+void R_DrawCorona(rtlight_t *rtlight, float cscale, float scale)
+{
+ vec3_t color;
+ GLint allpixels = 0, visiblepixels = 0;
+ // now we have to check the query result
+ if (rtlight->corona_queryindex_visiblepixels)
+ {
+ switch(vid.renderpath)
+ {
+ case RENDERPATH_GL11:
+ case RENDERPATH_GL13:
+ case RENDERPATH_GL20:
+ case RENDERPATH_GLES1:
+ case RENDERPATH_GLES2:
+ CHECKGLERROR
+ qglGetQueryObjectivARB(rtlight->corona_queryindex_visiblepixels, GL_QUERY_RESULT_ARB, &visiblepixels);
+ qglGetQueryObjectivARB(rtlight->corona_queryindex_allpixels, GL_QUERY_RESULT_ARB, &allpixels);
+ CHECKGLERROR
+ break;
+ case RENDERPATH_D3D9:
+ Con_DPrintf("FIXME D3D9 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
+ break;
+ case RENDERPATH_D3D10:
+ Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
+ break;
+ case RENDERPATH_D3D11:
+ Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
+ break;
+ case RENDERPATH_SOFT:
+ //Con_DPrintf("FIXME SOFT %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
+ break;
+ }
+ //Con_Printf("%i of %i pixels\n", (int)visiblepixels, (int)allpixels);
+ if (visiblepixels < 1 || allpixels < 1)
+ return;
+ rtlight->corona_visibility *= bound(0, (float)visiblepixels / (float)allpixels, 1);
+ cscale *= rtlight->corona_visibility;
+ }
+ else
+ {
+ // FIXME: these traces should scan all render entities instead of cl.world
+ if (CL_TraceLine(r_refdef.view.origin, rtlight->shadoworigin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false, true).fraction < 1)
+ return;
+ }
+ VectorScale(rtlight->currentcolor, cscale, color);
+ if (VectorLength(color) > (1.0f / 256.0f))
+ {
+ float vertex3f[12];
+ qboolean negated = (color[0] + color[1] + color[2] < 0) && vid.support.ext_blend_subtract;
+ if(negated)
+ {
+ VectorNegate(color, color);
+ GL_BlendEquationSubtract(true);
+ }
+ R_CalcSprite_Vertex3f(vertex3f, rtlight->shadoworigin, r_refdef.view.right, r_refdef.view.up, scale, -scale, -scale, scale);
+ RSurf_ActiveCustomEntity(&identitymatrix, &identitymatrix, RENDER_NODEPTHTEST, 0, color[0], color[1], color[2], 1, 4, vertex3f, spritetexcoord2f, NULL, NULL, NULL, NULL, 2, polygonelement3i, polygonelement3s, false, false);
+ R_DrawCustomSurface(r_shadow_lightcorona, &identitymatrix, MATERIALFLAG_ADD | MATERIALFLAG_BLENDED | MATERIALFLAG_FULLBRIGHT | MATERIALFLAG_NOCULLFACE, 0, 4, 0, 2, false, false);
+ if(negated)
+ GL_BlendEquationSubtract(false);
+ }
+}
+
+void R_Shadow_DrawCoronas(void)
+{
+ int i, flag;
+ qboolean usequery = false;
+ size_t lightindex;
+ dlight_t *light;
+ rtlight_t *rtlight;
+ size_t range;
+ if (r_coronas.value < (1.0f / 256.0f) && !gl_flashblend.integer)
+ return;
+ if (r_waterstate.renderingscene)
+ return;
+ flag = r_refdef.scene.rtworld ? LIGHTFLAG_REALTIMEMODE : LIGHTFLAG_NORMALMODE;
+ R_EntityMatrix(&identitymatrix);
+
+ range = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray); // checked
+
+ // check occlusion of coronas
+ // use GL_ARB_occlusion_query if available
+ // otherwise use raytraces
+ r_numqueries = 0;
+ switch (vid.renderpath)
+ {
+ case RENDERPATH_GL11:
+ case RENDERPATH_GL13:
+ case RENDERPATH_GL20:
+ case RENDERPATH_GLES1:
+ case RENDERPATH_GLES2:
+ usequery = vid.support.arb_occlusion_query && r_coronas_occlusionquery.integer;
+ if (usequery)
+ {
+ GL_ColorMask(0,0,0,0);
+ if (r_maxqueries < (range + r_refdef.scene.numlights) * 2)
+ if (r_maxqueries < MAX_OCCLUSION_QUERIES)
+ {
+ i = r_maxqueries;
+ r_maxqueries = (range + r_refdef.scene.numlights) * 4;
+ r_maxqueries = min(r_maxqueries, MAX_OCCLUSION_QUERIES);
+ CHECKGLERROR
+ qglGenQueriesARB(r_maxqueries - i, r_queries + i);
+ CHECKGLERROR
+ }
+ RSurf_ActiveWorldEntity();
+ GL_BlendFunc(GL_ONE, GL_ZERO);
+ GL_CullFace(GL_NONE);
+ GL_DepthMask(false);
+ GL_DepthRange(0, 1);
+ GL_PolygonOffset(0, 0);
+ GL_DepthTest(true);
+ R_Mesh_ResetTextureState();
+ R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1, false);
+ }
+ break;
+ case RENDERPATH_D3D9:
+ usequery = false;
+ //Con_DPrintf("FIXME D3D9 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
+ break;
+ case RENDERPATH_D3D10:
+ Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
+ break;
+ case RENDERPATH_D3D11:
+ Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
+ break;
+ case RENDERPATH_SOFT:
+ usequery = false;
+ //Con_DPrintf("FIXME SOFT %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
+ break;
+ }
+ for (lightindex = 0;lightindex < range;lightindex++)
+ {
+ light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex);
+ if (!light)
+ continue;
+ rtlight = &light->rtlight;
+ rtlight->corona_visibility = 0;
+ rtlight->corona_queryindex_visiblepixels = 0;
+ rtlight->corona_queryindex_allpixels = 0;
+ if (!(rtlight->flags & flag))
+ continue;
+ if (rtlight->corona <= 0)
+ continue;
+ if (r_shadow_debuglight.integer >= 0 && r_shadow_debuglight.integer != (int)lightindex)
+ continue;
+ R_BeginCoronaQuery(rtlight, rtlight->radius * rtlight->coronasizescale * r_coronas_occlusionsizescale.value, usequery);
+ }
+ for (i = 0;i < r_refdef.scene.numlights;i++)
+ {
+ rtlight = r_refdef.scene.lights[i];
+ rtlight->corona_visibility = 0;
+ rtlight->corona_queryindex_visiblepixels = 0;
+ rtlight->corona_queryindex_allpixels = 0;
+ if (!(rtlight->flags & flag))
+ continue;
+ if (rtlight->corona <= 0)
+ continue;
+ R_BeginCoronaQuery(rtlight, rtlight->radius * rtlight->coronasizescale * r_coronas_occlusionsizescale.value, usequery);
+ }
+ if (usequery)
+ GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 1);
+
+ // now draw the coronas using the query data for intensity info
+ for (lightindex = 0;lightindex < range;lightindex++)
+ {
+ light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex);
+ if (!light)
+ continue;
+ rtlight = &light->rtlight;
+ if (rtlight->corona_visibility <= 0)
+ continue;
+ R_DrawCorona(rtlight, rtlight->corona * r_coronas.value * 0.25f, rtlight->radius * rtlight->coronasizescale);
+ }
+ for (i = 0;i < r_refdef.scene.numlights;i++)
+ {
+ rtlight = r_refdef.scene.lights[i];
+ if (rtlight->corona_visibility <= 0)
+ continue;
+ if (gl_flashblend.integer)
+ R_DrawCorona(rtlight, rtlight->corona, rtlight->radius * rtlight->coronasizescale * 2.0f);
+ else
+ R_DrawCorona(rtlight, rtlight->corona * r_coronas.value * 0.25f, rtlight->radius * rtlight->coronasizescale);
+ }
+}
+
+
+
+dlight_t *R_Shadow_NewWorldLight(void)
+{
+ return (dlight_t *)Mem_ExpandableArray_AllocRecord(&r_shadow_worldlightsarray);
+}
+
+void R_Shadow_UpdateWorldLight(dlight_t *light, vec3_t origin, vec3_t angles, vec3_t color, vec_t radius, vec_t corona, int style, int shadowenable, const char *cubemapname, vec_t coronasizescale, vec_t ambientscale, vec_t diffusescale, vec_t specularscale, int flags)
+{
+ matrix4x4_t matrix;
+ // validate parameters
+ if (style < 0 || style >= MAX_LIGHTSTYLES)
+ {
+ Con_Printf("R_Shadow_NewWorldLight: invalid light style number %i, must be >= 0 and < %i\n", light->style, MAX_LIGHTSTYLES);
+ style = 0;
+ }
+ if (!cubemapname)
+ cubemapname = "";
+
+ // copy to light properties
+ VectorCopy(origin, light->origin);
+ light->angles[0] = angles[0] - 360 * floor(angles[0] / 360);
+ light->angles[1] = angles[1] - 360 * floor(angles[1] / 360);
+ light->angles[2] = angles[2] - 360 * floor(angles[2] / 360);
+ /*
+ light->color[0] = max(color[0], 0);
+ light->color[1] = max(color[1], 0);
+ light->color[2] = max(color[2], 0);
+ */
+ light->color[0] = color[0];
+ light->color[1] = color[1];
+ light->color[2] = color[2];
+ light->radius = max(radius, 0);
+ light->style = style;
+ light->shadow = shadowenable;
+ light->corona = corona;
+ strlcpy(light->cubemapname, cubemapname, sizeof(light->cubemapname));
+ light->coronasizescale = coronasizescale;
+ light->ambientscale = ambientscale;
+ light->diffusescale = diffusescale;
+ light->specularscale = specularscale;
+ light->flags = flags;
+
+ // update renderable light data
+ Matrix4x4_CreateFromQuakeEntity(&matrix, light->origin[0], light->origin[1], light->origin[2], light->angles[0], light->angles[1], light->angles[2], light->radius);
+ R_RTLight_Update(&light->rtlight, true, &matrix, light->color, light->style, light->cubemapname[0] ? light->cubemapname : NULL, light->shadow, light->corona, light->coronasizescale, light->ambientscale, light->diffusescale, light->specularscale, light->flags);
+}
+
+void R_Shadow_FreeWorldLight(dlight_t *light)
+{
+ if (r_shadow_selectedlight == light)
+ r_shadow_selectedlight = NULL;
+ R_RTLight_Uncompile(&light->rtlight);
+ Mem_ExpandableArray_FreeRecord(&r_shadow_worldlightsarray, light);
+}
+
+void R_Shadow_ClearWorldLights(void)
+{
+ size_t lightindex;
+ dlight_t *light;
+ size_t range = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray); // checked
+ for (lightindex = 0;lightindex < range;lightindex++)
+ {
+ light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex);
+ if (light)
+ R_Shadow_FreeWorldLight(light);
+ }
+ r_shadow_selectedlight = NULL;
+}
+
+void R_Shadow_SelectLight(dlight_t *light)
+{
+ if (r_shadow_selectedlight)
+ r_shadow_selectedlight->selected = false;
+ r_shadow_selectedlight = light;
+ if (r_shadow_selectedlight)
+ r_shadow_selectedlight->selected = true;
+}
+
+void R_Shadow_DrawCursor_TransparentCallback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
+{
+ // this is never batched (there can be only one)
+ float vertex3f[12];
+ R_CalcSprite_Vertex3f(vertex3f, r_editlights_cursorlocation, r_refdef.view.right, r_refdef.view.up, EDLIGHTSPRSIZE, -EDLIGHTSPRSIZE, -EDLIGHTSPRSIZE, EDLIGHTSPRSIZE);
+ RSurf_ActiveCustomEntity(&identitymatrix, &identitymatrix, 0, 0, 1, 1, 1, 1, 4, vertex3f, spritetexcoord2f, NULL, NULL, NULL, NULL, 2, polygonelement3i, polygonelement3s, false, false);
+ R_DrawCustomSurface(r_editlights_sprcursor, &identitymatrix, MATERIALFLAG_NODEPTHTEST | MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_FULLBRIGHT | MATERIALFLAG_NOCULLFACE, 0, 4, 0, 2, false, false);
+}
+
+void R_Shadow_DrawLightSprite_TransparentCallback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
+{
+ float intensity;
+ float s;
+ vec3_t spritecolor;
+ skinframe_t *skinframe;
+ float vertex3f[12];
+
+ // this is never batched (due to the ent parameter changing every time)
+ // so numsurfaces == 1 and surfacelist[0] == lightnumber
+ const dlight_t *light = (dlight_t *)ent;
+ s = EDLIGHTSPRSIZE;
+
+ R_CalcSprite_Vertex3f(vertex3f, light->origin, r_refdef.view.right, r_refdef.view.up, s, -s, -s, s);
+
+ intensity = 0.5f;
+ VectorScale(light->color, intensity, spritecolor);
+ if (VectorLength(spritecolor) < 0.1732f)
+ VectorSet(spritecolor, 0.1f, 0.1f, 0.1f);
+ if (VectorLength(spritecolor) > 1.0f)
+ VectorNormalize(spritecolor);
+
+ // draw light sprite
+ if (light->cubemapname[0] && !light->shadow)
+ skinframe = r_editlights_sprcubemapnoshadowlight;
+ else if (light->cubemapname[0])
+ skinframe = r_editlights_sprcubemaplight;
+ else if (!light->shadow)
+ skinframe = r_editlights_sprnoshadowlight;
+ else
+ skinframe = r_editlights_sprlight;
+
+ RSurf_ActiveCustomEntity(&identitymatrix, &identitymatrix, 0, 0, spritecolor[0], spritecolor[1], spritecolor[2], 1, 4, vertex3f, spritetexcoord2f, NULL, NULL, NULL, NULL, 2, polygonelement3i, polygonelement3s, false, false);
+ R_DrawCustomSurface(skinframe, &identitymatrix, MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_FULLBRIGHT | MATERIALFLAG_NOCULLFACE, 0, 4, 0, 2, false, false);
+
+ // draw selection sprite if light is selected
+ if (light->selected)
+ {
+ RSurf_ActiveCustomEntity(&identitymatrix, &identitymatrix, 0, 0, 1, 1, 1, 1, 4, vertex3f, spritetexcoord2f, NULL, NULL, NULL, NULL, 2, polygonelement3i, polygonelement3s, false, false);
+ R_DrawCustomSurface(r_editlights_sprselection, &identitymatrix, MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_FULLBRIGHT | MATERIALFLAG_NOCULLFACE, 0, 4, 0, 2, false, false);
+ // VorteX todo: add normalmode/realtime mode light overlay sprites?
+ }
+}
+
+void R_Shadow_DrawLightSprites(void)
+{
+ size_t lightindex;
+ dlight_t *light;
+ size_t range = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray); // checked
+ for (lightindex = 0;lightindex < range;lightindex++)
+ {
+ light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex);
+ if (light)
+ R_MeshQueue_AddTransparent(light->origin, R_Shadow_DrawLightSprite_TransparentCallback, (entity_render_t *)light, 5, &light->rtlight);
+ }
+ if (!r_editlights_lockcursor)
+ R_MeshQueue_AddTransparent(r_editlights_cursorlocation, R_Shadow_DrawCursor_TransparentCallback, NULL, 0, NULL);
+}
+
+int R_Shadow_GetRTLightInfo(unsigned int lightindex, float *origin, float *radius, float *color)
+{
+ unsigned int range;
+ dlight_t *light;
+ rtlight_t *rtlight;
+ range = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray);
+ if (lightindex >= range)
+ return -1;
+ light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex);
+ if (!light)
+ return 0;
+ rtlight = &light->rtlight;
+ //if (!(rtlight->flags & flag))
+ // return 0;
+ VectorCopy(rtlight->shadoworigin, origin);
+ *radius = rtlight->radius;
+ VectorCopy(rtlight->color, color);
+ return 1;
+}
+
+void R_Shadow_SelectLightInView(void)
+{
+ float bestrating, rating, temp[3];
+ dlight_t *best;
+ size_t lightindex;
+ dlight_t *light;
+ size_t range = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray); // checked
+ best = NULL;
+ bestrating = 0;
+
+ if (r_editlights_lockcursor)
+ return;
+ for (lightindex = 0;lightindex < range;lightindex++)
+ {
+ light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex);
+ if (!light)
+ continue;
+ VectorSubtract(light->origin, r_refdef.view.origin, temp);
+ rating = (DotProduct(temp, r_refdef.view.forward) / sqrt(DotProduct(temp, temp)));
+ if (rating >= 0.95)
+ {
+ rating /= (1 + 0.0625f * sqrt(DotProduct(temp, temp)));
+ if (bestrating < rating && CL_TraceLine(light->origin, r_refdef.view.origin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false, true).fraction == 1.0f)
+ {
+ bestrating = rating;
+ best = light;
+ }
+ }
+ }
+ R_Shadow_SelectLight(best);
+}
+
+void R_Shadow_LoadWorldLights(void)
+{
+ int n, a, style, shadow, flags;
+ char tempchar, *lightsstring, *s, *t, name[MAX_QPATH], cubemapname[MAX_QPATH];
+ float origin[3], radius, color[3], angles[3], corona, coronasizescale, ambientscale, diffusescale, specularscale;
+ if (cl.worldmodel == NULL)
+ {
+ Con_Print("No map loaded.\n");
+ return;
+ }
+ dpsnprintf(name, sizeof(name), "%s.rtlights", cl.worldnamenoextension);
+ lightsstring = (char *)FS_LoadFile(name, tempmempool, false, NULL);
+ if (lightsstring)
+ {
+ s = lightsstring;
+ n = 0;
+ while (*s)
+ {
+ t = s;
+ /*
+ shadow = true;
+ for (;COM_Parse(t, true) && strcmp(
+ if (COM_Parse(t, true))
+ {
+ if (com_token[0] == '!')
+ {
+ shadow = false;
+ origin[0] = atof(com_token+1);
+ }
+ else
+ origin[0] = atof(com_token);
+ if (Com_Parse(t
+ }
+ */
+ t = s;
+ while (*s && *s != '\n' && *s != '\r')
+ s++;
+ if (!*s)
+ break;
+ tempchar = *s;
+ shadow = true;
+ // check for modifier flags
+ if (*t == '!')
+ {
+ shadow = false;
+ t++;
+ }
+ *s = 0;
+#if _MSC_VER >= 1400
+#define sscanf sscanf_s
+#endif
+ cubemapname[sizeof(cubemapname)-1] = 0;
+#if MAX_QPATH != 128
+#error update this code if MAX_QPATH changes
+#endif
+ a = sscanf(t, "%f %f %f %f %f %f %f %d %127s %f %f %f %f %f %f %f %f %i", &origin[0], &origin[1], &origin[2], &radius, &color[0], &color[1], &color[2], &style, cubemapname
+#if _MSC_VER >= 1400
+, sizeof(cubemapname)
+#endif
+, &corona, &angles[0], &angles[1], &angles[2], &coronasizescale, &ambientscale, &diffusescale, &specularscale, &flags);
+ *s = tempchar;
+ if (a < 18)
+ flags = LIGHTFLAG_REALTIMEMODE;
+ if (a < 17)
+ specularscale = 1;
+ if (a < 16)
+ diffusescale = 1;
+ if (a < 15)
+ ambientscale = 0;
+ if (a < 14)
+ coronasizescale = 0.25f;
+ if (a < 13)
+ VectorClear(angles);
+ if (a < 10)
+ corona = 0;
+ if (a < 9 || !strcmp(cubemapname, "\"\""))
+ cubemapname[0] = 0;
+ // remove quotes on cubemapname
+ if (cubemapname[0] == '"' && cubemapname[strlen(cubemapname) - 1] == '"')
+ {
+ size_t namelen;
+ namelen = strlen(cubemapname) - 2;
+ memmove(cubemapname, cubemapname + 1, namelen);
+ cubemapname[namelen] = '\0';
+ }
+ if (a < 8)
+ {
+ Con_Printf("found %d parameters on line %i, should be 8 or more parameters (origin[0] origin[1] origin[2] radius color[0] color[1] color[2] style \"cubemapname\" corona angles[0] angles[1] angles[2] coronasizescale ambientscale diffusescale specularscale flags)\n", a, n + 1);
+ break;
+ }
+ R_Shadow_UpdateWorldLight(R_Shadow_NewWorldLight(), origin, angles, color, radius, corona, style, shadow, cubemapname, coronasizescale, ambientscale, diffusescale, specularscale, flags);
+ if (*s == '\r')
+ s++;
+ if (*s == '\n')
+ s++;
+ n++;
+ }
+ if (*s)
+ Con_Printf("invalid rtlights file \"%s\"\n", name);
+ Mem_Free(lightsstring);
+ }
+}
+
+void R_Shadow_SaveWorldLights(void)
+{
+ size_t lightindex;
+ dlight_t *light;
+ size_t bufchars, bufmaxchars;
+ char *buf, *oldbuf;
+ char name[MAX_QPATH];
+ char line[MAX_INPUTLINE];
+ size_t range = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray); // checked, assuming the dpsnprintf mess doesn't screw it up...
+ // I hate lines which are 3 times my screen size :( --blub
+ if (!range)
+ return;
+ if (cl.worldmodel == NULL)
+ {
+ Con_Print("No map loaded.\n");
+ return;
+ }
+ dpsnprintf(name, sizeof(name), "%s.rtlights", cl.worldnamenoextension);
+ bufchars = bufmaxchars = 0;
+ buf = NULL;
+ for (lightindex = 0;lightindex < range;lightindex++)
+ {
+ light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex);
+ if (!light)
+ continue;
+ if (light->coronasizescale != 0.25f || light->ambientscale != 0 || light->diffusescale != 1 || light->specularscale != 1 || light->flags != LIGHTFLAG_REALTIMEMODE)
+ dpsnprintf(line, sizeof(line), "%s%f %f %f %f %f %f %f %d \"%s\" %f %f %f %f %f %f %f %f %i\n", light->shadow ? "" : "!", light->origin[0], light->origin[1], light->origin[2], light->radius, light->color[0], light->color[1], light->color[2], light->style, light->cubemapname, light->corona, light->angles[0], light->angles[1], light->angles[2], light->coronasizescale, light->ambientscale, light->diffusescale, light->specularscale, light->flags);
+ else if (light->cubemapname[0] || light->corona || light->angles[0] || light->angles[1] || light->angles[2])
+ dpsnprintf(line, sizeof(line), "%s%f %f %f %f %f %f %f %d \"%s\" %f %f %f %f\n", light->shadow ? "" : "!", light->origin[0], light->origin[1], light->origin[2], light->radius, light->color[0], light->color[1], light->color[2], light->style, light->cubemapname, light->corona, light->angles[0], light->angles[1], light->angles[2]);
+ else
+ dpsnprintf(line, sizeof(line), "%s%f %f %f %f %f %f %f %d\n", light->shadow ? "" : "!", light->origin[0], light->origin[1], light->origin[2], light->radius, light->color[0], light->color[1], light->color[2], light->style);
+ if (bufchars + strlen(line) > bufmaxchars)
+ {
+ bufmaxchars = bufchars + strlen(line) + 2048;
+ oldbuf = buf;
+ buf = (char *)Mem_Alloc(tempmempool, bufmaxchars);
+ if (oldbuf)
+ {
+ if (bufchars)
+ memcpy(buf, oldbuf, bufchars);
+ Mem_Free(oldbuf);
+ }
+ }
+ if (strlen(line))
+ {
+ memcpy(buf + bufchars, line, strlen(line));
+ bufchars += strlen(line);
+ }
+ }
+ if (bufchars)
+ FS_WriteFile(name, buf, (fs_offset_t)bufchars);
+ if (buf)
+ Mem_Free(buf);
+}
+
+void R_Shadow_LoadLightsFile(void)
+{
+ int n, a, style;
+ char tempchar, *lightsstring, *s, *t, name[MAX_QPATH];
+ float origin[3], radius, color[3], subtract, spotdir[3], spotcone, falloff, distbias;
+ if (cl.worldmodel == NULL)
+ {
+ Con_Print("No map loaded.\n");
+ return;
+ }
+ dpsnprintf(name, sizeof(name), "%s.lights", cl.worldnamenoextension);
+ lightsstring = (char *)FS_LoadFile(name, tempmempool, false, NULL);
+ if (lightsstring)
+ {
+ s = lightsstring;
+ n = 0;
+ while (*s)
+ {
+ t = s;
+ while (*s && *s != '\n' && *s != '\r')
+ s++;
+ if (!*s)
+ break;
+ tempchar = *s;
+ *s = 0;
+ a = sscanf(t, "%f %f %f %f %f %f %f %f %f %f %f %f %f %d", &origin[0], &origin[1], &origin[2], &falloff, &color[0], &color[1], &color[2], &subtract, &spotdir[0], &spotdir[1], &spotdir[2], &spotcone, &distbias, &style);
+ *s = tempchar;
+ if (a < 14)
+ {
+ Con_Printf("invalid lights file, found %d parameters on line %i, should be 14 parameters (origin[0] origin[1] origin[2] falloff light[0] light[1] light[2] subtract spotdir[0] spotdir[1] spotdir[2] spotcone distancebias style)\n", a, n + 1);
+ break;
+ }
+ radius = sqrt(DotProduct(color, color) / (falloff * falloff * 8192.0f * 8192.0f));
+ radius = bound(15, radius, 4096);
+ VectorScale(color, (2.0f / (8388608.0f)), color);
+ R_Shadow_UpdateWorldLight(R_Shadow_NewWorldLight(), origin, vec3_origin, color, radius, 0, style, true, NULL, 0.25, 0, 1, 1, LIGHTFLAG_REALTIMEMODE);
+ if (*s == '\r')
+ s++;
+ if (*s == '\n')
+ s++;
+ n++;
+ }
+ if (*s)
+ Con_Printf("invalid lights file \"%s\"\n", name);
+ Mem_Free(lightsstring);
+ }
+}
+
+// tyrlite/hmap2 light types in the delay field
+typedef enum lighttype_e {LIGHTTYPE_MINUSX, LIGHTTYPE_RECIPX, LIGHTTYPE_RECIPXX, LIGHTTYPE_NONE, LIGHTTYPE_SUN, LIGHTTYPE_MINUSXX} lighttype_t;
+
+void R_Shadow_LoadWorldLightsFromMap_LightArghliteTyrlite(void)
+{
+ int entnum;
+ int style;
+ int islight;
+ int skin;
+ int pflags;
+ //int effects;
+ int type;
+ int n;
+ char *entfiledata;
+ const char *data;
+ float origin[3], angles[3], radius, color[3], light[4], fadescale, lightscale, originhack[3], overridecolor[3], vec[4];
+ char key[256], value[MAX_INPUTLINE];
+
+ if (cl.worldmodel == NULL)
+ {
+ Con_Print("No map loaded.\n");
+ return;
+ }
+ // try to load a .ent file first
+ dpsnprintf(key, sizeof(key), "%s.ent", cl.worldnamenoextension);
+ data = entfiledata = (char *)FS_LoadFile(key, tempmempool, true, NULL);
+ // and if that is not found, fall back to the bsp file entity string
+ if (!data)
+ data = cl.worldmodel->brush.entities;
+ if (!data)
+ return;
+ for (entnum = 0;COM_ParseToken_Simple(&data, false, false) && com_token[0] == '{';entnum++)
+ {
+ type = LIGHTTYPE_MINUSX;
+ origin[0] = origin[1] = origin[2] = 0;
+ originhack[0] = originhack[1] = originhack[2] = 0;
+ angles[0] = angles[1] = angles[2] = 0;
+ color[0] = color[1] = color[2] = 1;
+ light[0] = light[1] = light[2] = 1;light[3] = 300;
+ overridecolor[0] = overridecolor[1] = overridecolor[2] = 1;
+ fadescale = 1;
+ lightscale = 1;
+ style = 0;
+ skin = 0;
+ pflags = 0;
+ //effects = 0;
+ islight = false;
+ while (1)
+ {
+ if (!COM_ParseToken_Simple(&data, false, false))
+ break; // error
+ if (com_token[0] == '}')
+ break; // end of entity
+ if (com_token[0] == '_')
+ strlcpy(key, com_token + 1, sizeof(key));
+ else
+ strlcpy(key, com_token, sizeof(key));
+ while (key[strlen(key)-1] == ' ') // remove trailing spaces
+ key[strlen(key)-1] = 0;
+ if (!COM_ParseToken_Simple(&data, false, false))
+ break; // error
+ strlcpy(value, com_token, sizeof(value));
+
+ // now that we have the key pair worked out...
+ if (!strcmp("light", key))
+ {
+ n = sscanf(value, "%f %f %f %f", &vec[0], &vec[1], &vec[2], &vec[3]);
+ if (n == 1)
+ {
+ // quake
+ light[0] = vec[0] * (1.0f / 256.0f);
+ light[1] = vec[0] * (1.0f / 256.0f);
+ light[2] = vec[0] * (1.0f / 256.0f);
+ light[3] = vec[0];
+ }
+ else if (n == 4)
+ {
+ // halflife
+ light[0] = vec[0] * (1.0f / 255.0f);
+ light[1] = vec[1] * (1.0f / 255.0f);
+ light[2] = vec[2] * (1.0f / 255.0f);
+ light[3] = vec[3];
+ }
+ }
+ else if (!strcmp("delay", key))
+ type = atoi(value);
+ else if (!strcmp("origin", key))
+ sscanf(value, "%f %f %f", &origin[0], &origin[1], &origin[2]);
+ else if (!strcmp("angle", key))
+ angles[0] = 0, angles[1] = atof(value), angles[2] = 0;
+ else if (!strcmp("angles", key))
+ sscanf(value, "%f %f %f", &angles[0], &angles[1], &angles[2]);
+ else if (!strcmp("color", key))
+ sscanf(value, "%f %f %f", &color[0], &color[1], &color[2]);
+ else if (!strcmp("wait", key))
+ fadescale = atof(value);
+ else if (!strcmp("classname", key))
+ {
+ if (!strncmp(value, "light", 5))
+ {
+ islight = true;
+ if (!strcmp(value, "light_fluoro"))
+ {
+ originhack[0] = 0;
+ originhack[1] = 0;
+ originhack[2] = 0;
+ overridecolor[0] = 1;
+ overridecolor[1] = 1;
+ overridecolor[2] = 1;
+ }
+ if (!strcmp(value, "light_fluorospark"))
+ {
+ originhack[0] = 0;
+ originhack[1] = 0;
+ originhack[2] = 0;
+ overridecolor[0] = 1;
+ overridecolor[1] = 1;
+ overridecolor[2] = 1;
+ }
+ if (!strcmp(value, "light_globe"))
+ {
+ originhack[0] = 0;
+ originhack[1] = 0;
+ originhack[2] = 0;
+ overridecolor[0] = 1;
+ overridecolor[1] = 0.8;
+ overridecolor[2] = 0.4;
+ }
+ if (!strcmp(value, "light_flame_large_yellow"))
+ {
+ originhack[0] = 0;
+ originhack[1] = 0;
+ originhack[2] = 0;
+ overridecolor[0] = 1;
+ overridecolor[1] = 0.5;
+ overridecolor[2] = 0.1;
+ }
+ if (!strcmp(value, "light_flame_small_yellow"))
+ {
+ originhack[0] = 0;
+ originhack[1] = 0;
+ originhack[2] = 0;
+ overridecolor[0] = 1;
+ overridecolor[1] = 0.5;
+ overridecolor[2] = 0.1;
+ }
+ if (!strcmp(value, "light_torch_small_white"))
+ {
+ originhack[0] = 0;
+ originhack[1] = 0;
+ originhack[2] = 0;
+ overridecolor[0] = 1;
+ overridecolor[1] = 0.5;
+ overridecolor[2] = 0.1;
+ }
+ if (!strcmp(value, "light_torch_small_walltorch"))
+ {
+ originhack[0] = 0;
+ originhack[1] = 0;
+ originhack[2] = 0;
+ overridecolor[0] = 1;
+ overridecolor[1] = 0.5;
+ overridecolor[2] = 0.1;
+ }
+ }
+ }
+ else if (!strcmp("style", key))
+ style = atoi(value);
+ else if (!strcmp("skin", key))
+ skin = (int)atof(value);
+ else if (!strcmp("pflags", key))
+ pflags = (int)atof(value);
+ //else if (!strcmp("effects", key))
+ // effects = (int)atof(value);
+ else if (cl.worldmodel->type == mod_brushq3)
+ {
+ if (!strcmp("scale", key))
+ lightscale = atof(value);
+ if (!strcmp("fade", key))
+ fadescale = atof(value);
+ }
+ }
+ if (!islight)
+ continue;
+ if (lightscale <= 0)
+ lightscale = 1;
+ if (fadescale <= 0)
+ fadescale = 1;
+ if (color[0] == color[1] && color[0] == color[2])
+ {
+ color[0] *= overridecolor[0];
+ color[1] *= overridecolor[1];
+ color[2] *= overridecolor[2];
+ }
+ radius = light[3] * r_editlights_quakelightsizescale.value * lightscale / fadescale;
+ color[0] = color[0] * light[0];
+ color[1] = color[1] * light[1];
+ color[2] = color[2] * light[2];
+ switch (type)
+ {
+ case LIGHTTYPE_MINUSX:
+ break;
+ case LIGHTTYPE_RECIPX:
+ radius *= 2;
+ VectorScale(color, (1.0f / 16.0f), color);
+ break;
+ case LIGHTTYPE_RECIPXX:
+ radius *= 2;
+ VectorScale(color, (1.0f / 16.0f), color);
+ break;
+ default:
+ case LIGHTTYPE_NONE:
+ break;
+ case LIGHTTYPE_SUN:
+ break;
+ case LIGHTTYPE_MINUSXX:
+ break;
+ }
+ VectorAdd(origin, originhack, origin);
+ if (radius >= 1)
+ R_Shadow_UpdateWorldLight(R_Shadow_NewWorldLight(), origin, angles, color, radius, (pflags & PFLAGS_CORONA) != 0, style, (pflags & PFLAGS_NOSHADOW) == 0, skin >= 16 ? va("cubemaps/%i", skin) : NULL, 0.25, 0, 1, 1, LIGHTFLAG_REALTIMEMODE);
+ }
+ if (entfiledata)
+ Mem_Free(entfiledata);
+}
+
+
+void R_Shadow_SetCursorLocationForView(void)
+{
+ vec_t dist, push;
+ vec3_t dest, endpos;
+ trace_t trace;
+ VectorMA(r_refdef.view.origin, r_editlights_cursordistance.value, r_refdef.view.forward, dest);
+ trace = CL_TraceLine(r_refdef.view.origin, dest, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false, true);
+ if (trace.fraction < 1)
+ {
+ dist = trace.fraction * r_editlights_cursordistance.value;
+ push = r_editlights_cursorpushback.value;
+ if (push > dist)
+ push = dist;
+ push = -push;
+ VectorMA(trace.endpos, push, r_refdef.view.forward, endpos);
+ VectorMA(endpos, r_editlights_cursorpushoff.value, trace.plane.normal, endpos);
+ }
+ else
+ {
+ VectorClear( endpos );
+ }
+ r_editlights_cursorlocation[0] = floor(endpos[0] / r_editlights_cursorgrid.value + 0.5f) * r_editlights_cursorgrid.value;
+ r_editlights_cursorlocation[1] = floor(endpos[1] / r_editlights_cursorgrid.value + 0.5f) * r_editlights_cursorgrid.value;
+ r_editlights_cursorlocation[2] = floor(endpos[2] / r_editlights_cursorgrid.value + 0.5f) * r_editlights_cursorgrid.value;
+}
+
+void R_Shadow_UpdateWorldLightSelection(void)
+{
+ if (r_editlights.integer)
+ {
+ R_Shadow_SetCursorLocationForView();
+ R_Shadow_SelectLightInView();
+ }
+ else
+ R_Shadow_SelectLight(NULL);
+}
+
+void R_Shadow_EditLights_Clear_f(void)
+{
+ R_Shadow_ClearWorldLights();
+}
+
+void R_Shadow_EditLights_Reload_f(void)
+{
+ if (!cl.worldmodel)
+ return;
+ strlcpy(r_shadow_mapname, cl.worldname, sizeof(r_shadow_mapname));
+ R_Shadow_ClearWorldLights();
+ R_Shadow_LoadWorldLights();
+ if (!Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray))
+ {
+ R_Shadow_LoadLightsFile();
+ if (!Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray))
+ R_Shadow_LoadWorldLightsFromMap_LightArghliteTyrlite();
+ }
+}
+
+void R_Shadow_EditLights_Save_f(void)
+{
+ if (!cl.worldmodel)
+ return;
+ R_Shadow_SaveWorldLights();
+}
+
+void R_Shadow_EditLights_ImportLightEntitiesFromMap_f(void)
+{
+ R_Shadow_ClearWorldLights();
+ R_Shadow_LoadWorldLightsFromMap_LightArghliteTyrlite();
+}
+
+void R_Shadow_EditLights_ImportLightsFile_f(void)
+{
+ R_Shadow_ClearWorldLights();
+ R_Shadow_LoadLightsFile();
+}
+
+void R_Shadow_EditLights_Spawn_f(void)
+{
+ vec3_t color;
+ if (!r_editlights.integer)
+ {
+ Con_Print("Cannot spawn light when not in editing mode. Set r_editlights to 1.\n");
+ return;
+ }
+ if (Cmd_Argc() != 1)
+ {
+ Con_Print("r_editlights_spawn does not take parameters\n");
+ return;
+ }
+ color[0] = color[1] = color[2] = 1;
+ R_Shadow_UpdateWorldLight(R_Shadow_NewWorldLight(), r_editlights_cursorlocation, vec3_origin, color, 200, 0, 0, true, NULL, 0.25, 0, 1, 1, LIGHTFLAG_REALTIMEMODE);
+}
+
+void R_Shadow_EditLights_Edit_f(void)
+{
+ vec3_t origin, angles, color;
+ vec_t radius, corona, coronasizescale, ambientscale, diffusescale, specularscale;
+ int style, shadows, flags, normalmode, realtimemode;
+ char cubemapname[MAX_INPUTLINE];
+ if (!r_editlights.integer)
+ {
+ Con_Print("Cannot spawn light when not in editing mode. Set r_editlights to 1.\n");
+ return;
+ }
+ if (!r_shadow_selectedlight)
+ {
+ Con_Print("No selected light.\n");
+ return;
+ }
+ VectorCopy(r_shadow_selectedlight->origin, origin);
+ VectorCopy(r_shadow_selectedlight->angles, angles);
+ VectorCopy(r_shadow_selectedlight->color, color);
+ radius = r_shadow_selectedlight->radius;
+ style = r_shadow_selectedlight->style;
+ if (r_shadow_selectedlight->cubemapname)
+ strlcpy(cubemapname, r_shadow_selectedlight->cubemapname, sizeof(cubemapname));
+ else
+ cubemapname[0] = 0;
+ shadows = r_shadow_selectedlight->shadow;
+ corona = r_shadow_selectedlight->corona;
+ coronasizescale = r_shadow_selectedlight->coronasizescale;
+ ambientscale = r_shadow_selectedlight->ambientscale;
+ diffusescale = r_shadow_selectedlight->diffusescale;
+ specularscale = r_shadow_selectedlight->specularscale;
+ flags = r_shadow_selectedlight->flags;
+ normalmode = (flags & LIGHTFLAG_NORMALMODE) != 0;
+ realtimemode = (flags & LIGHTFLAG_REALTIMEMODE) != 0;
+ if (!strcmp(Cmd_Argv(1), "origin"))
+ {
+ if (Cmd_Argc() != 5)
+ {
+ Con_Printf("usage: r_editlights_edit %s x y z\n", Cmd_Argv(1));
+ return;
+ }
+ origin[0] = atof(Cmd_Argv(2));
+ origin[1] = atof(Cmd_Argv(3));
+ origin[2] = atof(Cmd_Argv(4));
+ }
+ else if (!strcmp(Cmd_Argv(1), "originscale"))
+ {
+ if (Cmd_Argc() != 5)
+ {
+ Con_Printf("usage: r_editlights_edit %s x y z\n", Cmd_Argv(1));
+ return;
+ }
+ origin[0] *= atof(Cmd_Argv(2));
+ origin[1] *= atof(Cmd_Argv(3));
+ origin[2] *= atof(Cmd_Argv(4));
+ }
+ else if (!strcmp(Cmd_Argv(1), "originx"))
+ {
+ if (Cmd_Argc() != 3)
+ {
+ Con_Printf("usage: r_editlights_edit %s value\n", Cmd_Argv(1));
+ return;
+ }
+ origin[0] = atof(Cmd_Argv(2));
+ }
+ else if (!strcmp(Cmd_Argv(1), "originy"))
+ {
+ if (Cmd_Argc() != 3)
+ {
+ Con_Printf("usage: r_editlights_edit %s value\n", Cmd_Argv(1));
+ return;
+ }
+ origin[1] = atof(Cmd_Argv(2));
+ }
+ else if (!strcmp(Cmd_Argv(1), "originz"))
+ {
+ if (Cmd_Argc() != 3)
+ {
+ Con_Printf("usage: r_editlights_edit %s value\n", Cmd_Argv(1));
+ return;
+ }
+ origin[2] = atof(Cmd_Argv(2));
+ }
+ else if (!strcmp(Cmd_Argv(1), "move"))
+ {
+ if (Cmd_Argc() != 5)
+ {
+ Con_Printf("usage: r_editlights_edit %s x y z\n", Cmd_Argv(1));
+ return;
+ }
+ origin[0] += atof(Cmd_Argv(2));
+ origin[1] += atof(Cmd_Argv(3));
+ origin[2] += atof(Cmd_Argv(4));
+ }
+ else if (!strcmp(Cmd_Argv(1), "movex"))
+ {
+ if (Cmd_Argc() != 3)
+ {
+ Con_Printf("usage: r_editlights_edit %s value\n", Cmd_Argv(1));
+ return;
+ }
+ origin[0] += atof(Cmd_Argv(2));
+ }
+ else if (!strcmp(Cmd_Argv(1), "movey"))
+ {
+ if (Cmd_Argc() != 3)
+ {
+ Con_Printf("usage: r_editlights_edit %s value\n", Cmd_Argv(1));
+ return;
+ }
+ origin[1] += atof(Cmd_Argv(2));
+ }
+ else if (!strcmp(Cmd_Argv(1), "movez"))
+ {
+ if (Cmd_Argc() != 3)
+ {
+ Con_Printf("usage: r_editlights_edit %s value\n", Cmd_Argv(1));
+ return;
+ }
+ origin[2] += atof(Cmd_Argv(2));
+ }
+ else if (!strcmp(Cmd_Argv(1), "angles"))
+ {
+ if (Cmd_Argc() != 5)
+ {
+ Con_Printf("usage: r_editlights_edit %s x y z\n", Cmd_Argv(1));
+ return;
+ }
+ angles[0] = atof(Cmd_Argv(2));
+ angles[1] = atof(Cmd_Argv(3));
+ angles[2] = atof(Cmd_Argv(4));
+ }
+ else if (!strcmp(Cmd_Argv(1), "anglesx"))
+ {
+ if (Cmd_Argc() != 3)
+ {
+ Con_Printf("usage: r_editlights_edit %s value\n", Cmd_Argv(1));
+ return;
+ }
+ angles[0] = atof(Cmd_Argv(2));
+ }
+ else if (!strcmp(Cmd_Argv(1), "anglesy"))
+ {
+ if (Cmd_Argc() != 3)
+ {
+ Con_Printf("usage: r_editlights_edit %s value\n", Cmd_Argv(1));
+ return;
+ }
+ angles[1] = atof(Cmd_Argv(2));
+ }
+ else if (!strcmp(Cmd_Argv(1), "anglesz"))
+ {
+ if (Cmd_Argc() != 3)
+ {
+ Con_Printf("usage: r_editlights_edit %s value\n", Cmd_Argv(1));
+ return;
+ }
+ angles[2] = atof(Cmd_Argv(2));
+ }
+ else if (!strcmp(Cmd_Argv(1), "color"))
+ {
+ if (Cmd_Argc() != 5)
+ {
+ Con_Printf("usage: r_editlights_edit %s red green blue\n", Cmd_Argv(1));
+ return;
+ }
+ color[0] = atof(Cmd_Argv(2));
+ color[1] = atof(Cmd_Argv(3));
+ color[2] = atof(Cmd_Argv(4));
+ }
+ else if (!strcmp(Cmd_Argv(1), "radius"))
+ {
+ if (Cmd_Argc() != 3)
+ {
+ Con_Printf("usage: r_editlights_edit %s value\n", Cmd_Argv(1));
+ return;
+ }
+ radius = atof(Cmd_Argv(2));
+ }
+ else if (!strcmp(Cmd_Argv(1), "colorscale"))
+ {
+ if (Cmd_Argc() == 3)
+ {
+ double scale = atof(Cmd_Argv(2));
+ color[0] *= scale;
+ color[1] *= scale;
+ color[2] *= scale;
+ }
+ else
+ {
+ if (Cmd_Argc() != 5)
+ {
+ Con_Printf("usage: r_editlights_edit %s red green blue (OR grey instead of red green blue)\n", Cmd_Argv(1));
+ return;
+ }
+ color[0] *= atof(Cmd_Argv(2));
+ color[1] *= atof(Cmd_Argv(3));
+ color[2] *= atof(Cmd_Argv(4));
+ }
+ }
+ else if (!strcmp(Cmd_Argv(1), "radiusscale") || !strcmp(Cmd_Argv(1), "sizescale"))
+ {
+ if (Cmd_Argc() != 3)
+ {
+ Con_Printf("usage: r_editlights_edit %s value\n", Cmd_Argv(1));
+ return;
+ }
+ radius *= atof(Cmd_Argv(2));
+ }
+ else if (!strcmp(Cmd_Argv(1), "style"))
+ {
+ if (Cmd_Argc() != 3)
+ {
+ Con_Printf("usage: r_editlights_edit %s value\n", Cmd_Argv(1));
+ return;
+ }
+ style = atoi(Cmd_Argv(2));
+ }
+ else if (!strcmp(Cmd_Argv(1), "cubemap"))
+ {
+ if (Cmd_Argc() > 3)
+ {
+ Con_Printf("usage: r_editlights_edit %s value\n", Cmd_Argv(1));
+ return;
+ }
+ if (Cmd_Argc() == 3)
+ strlcpy(cubemapname, Cmd_Argv(2), sizeof(cubemapname));
+ else
+ cubemapname[0] = 0;
+ }
+ else if (!strcmp(Cmd_Argv(1), "shadows"))
+ {
+ if (Cmd_Argc() != 3)
+ {
+ Con_Printf("usage: r_editlights_edit %s value\n", Cmd_Argv(1));
+ return;
+ }
+ shadows = Cmd_Argv(2)[0] == 'y' || Cmd_Argv(2)[0] == 'Y' || Cmd_Argv(2)[0] == 't' || atoi(Cmd_Argv(2));
+ }
+ else if (!strcmp(Cmd_Argv(1), "corona"))
+ {
+ if (Cmd_Argc() != 3)
+ {
+ Con_Printf("usage: r_editlights_edit %s value\n", Cmd_Argv(1));
+ return;
+ }
+ corona = atof(Cmd_Argv(2));
+ }
+ else if (!strcmp(Cmd_Argv(1), "coronasize"))
+ {
+ if (Cmd_Argc() != 3)
+ {
+ Con_Printf("usage: r_editlights_edit %s value\n", Cmd_Argv(1));
+ return;
+ }
+ coronasizescale = atof(Cmd_Argv(2));
+ }
+ else if (!strcmp(Cmd_Argv(1), "ambient"))
+ {
+ if (Cmd_Argc() != 3)
+ {
+ Con_Printf("usage: r_editlights_edit %s value\n", Cmd_Argv(1));
+ return;
+ }
+ ambientscale = atof(Cmd_Argv(2));
+ }
+ else if (!strcmp(Cmd_Argv(1), "diffuse"))
+ {
+ if (Cmd_Argc() != 3)
+ {
+ Con_Printf("usage: r_editlights_edit %s value\n", Cmd_Argv(1));
+ return;
+ }
+ diffusescale = atof(Cmd_Argv(2));
+ }
+ else if (!strcmp(Cmd_Argv(1), "specular"))
+ {
+ if (Cmd_Argc() != 3)
+ {
+ Con_Printf("usage: r_editlights_edit %s value\n", Cmd_Argv(1));
+ return;
+ }
+ specularscale = atof(Cmd_Argv(2));
+ }
+ else if (!strcmp(Cmd_Argv(1), "normalmode"))
+ {
+ if (Cmd_Argc() != 3)
+ {
+ Con_Printf("usage: r_editlights_edit %s value\n", Cmd_Argv(1));
+ return;
+ }
+ normalmode = Cmd_Argv(2)[0] == 'y' || Cmd_Argv(2)[0] == 'Y' || Cmd_Argv(2)[0] == 't' || atoi(Cmd_Argv(2));
+ }
+ else if (!strcmp(Cmd_Argv(1), "realtimemode"))
+ {
+ if (Cmd_Argc() != 3)
+ {
+ Con_Printf("usage: r_editlights_edit %s value\n", Cmd_Argv(1));
+ return;
+ }
+ realtimemode = Cmd_Argv(2)[0] == 'y' || Cmd_Argv(2)[0] == 'Y' || Cmd_Argv(2)[0] == 't' || atoi(Cmd_Argv(2));
+ }
+ else
+ {
+ Con_Print("usage: r_editlights_edit [property] [value]\n");
+ Con_Print("Selected light's properties:\n");
+ Con_Printf("Origin : %f %f %f\n", r_shadow_selectedlight->origin[0], r_shadow_selectedlight->origin[1], r_shadow_selectedlight->origin[2]);
+ Con_Printf("Angles : %f %f %f\n", r_shadow_selectedlight->angles[0], r_shadow_selectedlight->angles[1], r_shadow_selectedlight->angles[2]);
+ Con_Printf("Color : %f %f %f\n", r_shadow_selectedlight->color[0], r_shadow_selectedlight->color[1], r_shadow_selectedlight->color[2]);
+ Con_Printf("Radius : %f\n", r_shadow_selectedlight->radius);
+ Con_Printf("Corona : %f\n", r_shadow_selectedlight->corona);
+ Con_Printf("Style : %i\n", r_shadow_selectedlight->style);
+ Con_Printf("Shadows : %s\n", r_shadow_selectedlight->shadow ? "yes" : "no");
+ Con_Printf("Cubemap : %s\n", r_shadow_selectedlight->cubemapname);
+ Con_Printf("CoronaSize : %f\n", r_shadow_selectedlight->coronasizescale);
+ Con_Printf("Ambient : %f\n", r_shadow_selectedlight->ambientscale);
+ Con_Printf("Diffuse : %f\n", r_shadow_selectedlight->diffusescale);
+ Con_Printf("Specular : %f\n", r_shadow_selectedlight->specularscale);
+ Con_Printf("NormalMode : %s\n", (r_shadow_selectedlight->flags & LIGHTFLAG_NORMALMODE) ? "yes" : "no");
+ Con_Printf("RealTimeMode : %s\n", (r_shadow_selectedlight->flags & LIGHTFLAG_REALTIMEMODE) ? "yes" : "no");
+ return;
+ }
+ flags = (normalmode ? LIGHTFLAG_NORMALMODE : 0) | (realtimemode ? LIGHTFLAG_REALTIMEMODE : 0);
+ R_Shadow_UpdateWorldLight(r_shadow_selectedlight, origin, angles, color, radius, corona, style, shadows, cubemapname, coronasizescale, ambientscale, diffusescale, specularscale, flags);
+}
+
+void R_Shadow_EditLights_EditAll_f(void)
+{
+ size_t lightindex;
+ dlight_t *light, *oldselected;
+ size_t range;
+
+ if (!r_editlights.integer)
+ {
+ Con_Print("Cannot edit lights when not in editing mode. Set r_editlights to 1.\n");
+ return;
+ }
+
+ oldselected = r_shadow_selectedlight;
+ // EditLights doesn't seem to have a "remove" command or something so:
+ range = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray); // checked
+ for (lightindex = 0;lightindex < range;lightindex++)
+ {
+ light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex);
+ if (!light)
+ continue;
+ R_Shadow_SelectLight(light);
+ R_Shadow_EditLights_Edit_f();
+ }
+ // return to old selected (to not mess editing once selection is locked)
+ R_Shadow_SelectLight(oldselected);
+}
+
+void R_Shadow_EditLights_DrawSelectedLightProperties(void)
+{
+ int lightnumber, lightcount;
+ size_t lightindex, range;
+ dlight_t *light;
+ float x, y;
+ char temp[256];
+ if (!r_editlights.integer)
+ return;
+ x = vid_conwidth.value - 240;
+ y = 5;
+ DrawQ_Pic(x-5, y-5, NULL, 250, 155, 0, 0, 0, 0.75, 0);
+ lightnumber = -1;
+ lightcount = 0;
+ range = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray); // checked
+ for (lightindex = 0;lightindex < range;lightindex++)
+ {
+ light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex);
+ if (!light)
+ continue;
+ if (light == r_shadow_selectedlight)
+ lightnumber = lightindex;
+ lightcount++;
+ }
+ dpsnprintf(temp, sizeof(temp), "Cursor origin: %.0f %.0f %.0f", r_editlights_cursorlocation[0], r_editlights_cursorlocation[1], r_editlights_cursorlocation[2]); DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, false, FONT_DEFAULT);y += 8;
+ dpsnprintf(temp, sizeof(temp), "Total lights : %i active (%i total)", lightcount, (int)Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray)); DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, false, FONT_DEFAULT);y += 8;
+ y += 8;
+ if (r_shadow_selectedlight == NULL)
+ return;
+ dpsnprintf(temp, sizeof(temp), "Light #%i properties:", lightnumber);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);y += 8;
+ dpsnprintf(temp, sizeof(temp), "Origin : %.0f %.0f %.0f\n", r_shadow_selectedlight->origin[0], r_shadow_selectedlight->origin[1], r_shadow_selectedlight->origin[2]);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);y += 8;
+ dpsnprintf(temp, sizeof(temp), "Angles : %.0f %.0f %.0f\n", r_shadow_selectedlight->angles[0], r_shadow_selectedlight->angles[1], r_shadow_selectedlight->angles[2]);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);y += 8;
+ dpsnprintf(temp, sizeof(temp), "Color : %.2f %.2f %.2f\n", r_shadow_selectedlight->color[0], r_shadow_selectedlight->color[1], r_shadow_selectedlight->color[2]);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);y += 8;
+ dpsnprintf(temp, sizeof(temp), "Radius : %.0f\n", r_shadow_selectedlight->radius);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);y += 8;
+ dpsnprintf(temp, sizeof(temp), "Corona : %.0f\n", r_shadow_selectedlight->corona);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);y += 8;
+ dpsnprintf(temp, sizeof(temp), "Style : %i\n", r_shadow_selectedlight->style);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);y += 8;
+ dpsnprintf(temp, sizeof(temp), "Shadows : %s\n", r_shadow_selectedlight->shadow ? "yes" : "no");DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);y += 8;
+ dpsnprintf(temp, sizeof(temp), "Cubemap : %s\n", r_shadow_selectedlight->cubemapname);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);y += 8;
+ dpsnprintf(temp, sizeof(temp), "CoronaSize : %.2f\n", r_shadow_selectedlight->coronasizescale);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);y += 8;
+ dpsnprintf(temp, sizeof(temp), "Ambient : %.2f\n", r_shadow_selectedlight->ambientscale);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);y += 8;
+ dpsnprintf(temp, sizeof(temp), "Diffuse : %.2f\n", r_shadow_selectedlight->diffusescale);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);y += 8;
+ dpsnprintf(temp, sizeof(temp), "Specular : %.2f\n", r_shadow_selectedlight->specularscale);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);y += 8;
+ dpsnprintf(temp, sizeof(temp), "NormalMode : %s\n", (r_shadow_selectedlight->flags & LIGHTFLAG_NORMALMODE) ? "yes" : "no");DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);y += 8;
+ dpsnprintf(temp, sizeof(temp), "RealTimeMode : %s\n", (r_shadow_selectedlight->flags & LIGHTFLAG_REALTIMEMODE) ? "yes" : "no");DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);y += 8;
+}
+
+void R_Shadow_EditLights_ToggleShadow_f(void)
+{
+ if (!r_editlights.integer)
+ {
+ Con_Print("Cannot spawn light when not in editing mode. Set r_editlights to 1.\n");
+ return;
+ }
+ if (!r_shadow_selectedlight)
+ {
+ Con_Print("No selected light.\n");
+ return;
+ }
+ R_Shadow_UpdateWorldLight(r_shadow_selectedlight, r_shadow_selectedlight->origin, r_shadow_selectedlight->angles, r_shadow_selectedlight->color, r_shadow_selectedlight->radius, r_shadow_selectedlight->corona, r_shadow_selectedlight->style, !r_shadow_selectedlight->shadow, r_shadow_selectedlight->cubemapname, r_shadow_selectedlight->coronasizescale, r_shadow_selectedlight->ambientscale, r_shadow_selectedlight->diffusescale, r_shadow_selectedlight->specularscale, r_shadow_selectedlight->flags);
+}
+
+void R_Shadow_EditLights_ToggleCorona_f(void)
+{
+ if (!r_editlights.integer)
+ {
+ Con_Print("Cannot spawn light when not in editing mode. Set r_editlights to 1.\n");
+ return;
+ }
+ if (!r_shadow_selectedlight)
+ {
+ Con_Print("No selected light.\n");
+ return;
+ }
+ R_Shadow_UpdateWorldLight(r_shadow_selectedlight, r_shadow_selectedlight->origin, r_shadow_selectedlight->angles, r_shadow_selectedlight->color, r_shadow_selectedlight->radius, !r_shadow_selectedlight->corona, r_shadow_selectedlight->style, r_shadow_selectedlight->shadow, r_shadow_selectedlight->cubemapname, r_shadow_selectedlight->coronasizescale, r_shadow_selectedlight->ambientscale, r_shadow_selectedlight->diffusescale, r_shadow_selectedlight->specularscale, r_shadow_selectedlight->flags);
+}
+
+void R_Shadow_EditLights_Remove_f(void)
+{
+ if (!r_editlights.integer)
+ {
+ Con_Print("Cannot remove light when not in editing mode. Set r_editlights to 1.\n");
+ return;
+ }
+ if (!r_shadow_selectedlight)
+ {
+ Con_Print("No selected light.\n");
+ return;
+ }
+ R_Shadow_FreeWorldLight(r_shadow_selectedlight);
+ r_shadow_selectedlight = NULL;
+}
+
+void R_Shadow_EditLights_Help_f(void)
+{
+ Con_Print(
+"Documentation on r_editlights system:\n"
+"Settings:\n"
+"r_editlights : enable/disable editing mode\n"
+"r_editlights_cursordistance : maximum distance of cursor from eye\n"
+"r_editlights_cursorpushback : push back cursor this far from surface\n"
+"r_editlights_cursorpushoff : push cursor off surface this far\n"
+"r_editlights_cursorgrid : snap cursor to grid of this size\n"
+"r_editlights_quakelightsizescale : imported quake light entity size scaling\n"
+"Commands:\n"
+"r_editlights_help : this help\n"
+"r_editlights_clear : remove all lights\n"
+"r_editlights_reload : reload .rtlights, .lights file, or entities\n"
+"r_editlights_lock : lock selection to current light, if already locked - unlock\n"
+"r_editlights_save : save to .rtlights file\n"
+"r_editlights_spawn : create a light with default settings\n"
+"r_editlights_edit command : edit selected light - more documentation below\n"
+"r_editlights_remove : remove selected light\n"
+"r_editlights_toggleshadow : toggles on/off selected light's shadow property\n"
+"r_editlights_importlightentitiesfrommap : reload light entities\n"
+"r_editlights_importlightsfile : reload .light file (produced by hlight)\n"
+"Edit commands:\n"
+"origin x y z : set light location\n"
+"originx x: set x component of light location\n"
+"originy y: set y component of light location\n"
+"originz z: set z component of light location\n"
+"move x y z : adjust light location\n"
+"movex x: adjust x component of light location\n"
+"movey y: adjust y component of light location\n"
+"movez z: adjust z component of light location\n"
+"angles x y z : set light angles\n"
+"anglesx x: set x component of light angles\n"
+"anglesy y: set y component of light angles\n"
+"anglesz z: set z component of light angles\n"
+"color r g b : set color of light (can be brighter than 1 1 1)\n"
+"radius radius : set radius (size) of light\n"
+"colorscale grey : multiply color of light (1 does nothing)\n"
+"colorscale r g b : multiply color of light (1 1 1 does nothing)\n"
+"radiusscale scale : multiply radius (size) of light (1 does nothing)\n"
+"sizescale scale : multiply radius (size) of light (1 does nothing)\n"
+"originscale x y z : multiply origin of light (1 1 1 does nothing)\n"
+"style style : set lightstyle of light (flickering patterns, switches, etc)\n"
+"cubemap basename : set filter cubemap of light (not yet supported)\n"
+"shadows 1/0 : turn on/off shadows\n"
+"corona n : set corona intensity\n"
+"coronasize n : set corona size (0-1)\n"
+"ambient n : set ambient intensity (0-1)\n"
+"diffuse n : set diffuse intensity (0-1)\n"
+"specular n : set specular intensity (0-1)\n"
+"normalmode 1/0 : turn on/off rendering of this light in rtworld 0 mode\n"
+"realtimemode 1/0 : turn on/off rendering of this light in rtworld 1 mode\n"
+"<nothing> : print light properties to console\n"
+ );
+}
+
+void R_Shadow_EditLights_CopyInfo_f(void)
+{
+ if (!r_editlights.integer)
+ {
+ Con_Print("Cannot copy light info when not in editing mode. Set r_editlights to 1.\n");
+ return;
+ }
+ if (!r_shadow_selectedlight)
+ {
+ Con_Print("No selected light.\n");
+ return;
+ }
+ VectorCopy(r_shadow_selectedlight->angles, r_shadow_bufferlight.angles);
+ VectorCopy(r_shadow_selectedlight->color, r_shadow_bufferlight.color);
+ r_shadow_bufferlight.radius = r_shadow_selectedlight->radius;
+ r_shadow_bufferlight.style = r_shadow_selectedlight->style;
+ if (r_shadow_selectedlight->cubemapname)
+ strlcpy(r_shadow_bufferlight.cubemapname, r_shadow_selectedlight->cubemapname, sizeof(r_shadow_bufferlight.cubemapname));
+ else
+ r_shadow_bufferlight.cubemapname[0] = 0;
+ r_shadow_bufferlight.shadow = r_shadow_selectedlight->shadow;
+ r_shadow_bufferlight.corona = r_shadow_selectedlight->corona;
+ r_shadow_bufferlight.coronasizescale = r_shadow_selectedlight->coronasizescale;
+ r_shadow_bufferlight.ambientscale = r_shadow_selectedlight->ambientscale;
+ r_shadow_bufferlight.diffusescale = r_shadow_selectedlight->diffusescale;
+ r_shadow_bufferlight.specularscale = r_shadow_selectedlight->specularscale;
+ r_shadow_bufferlight.flags = r_shadow_selectedlight->flags;
+}
+
+void R_Shadow_EditLights_PasteInfo_f(void)
+{
+ if (!r_editlights.integer)
+ {
+ Con_Print("Cannot paste light info when not in editing mode. Set r_editlights to 1.\n");
+ return;
+ }
+ if (!r_shadow_selectedlight)
+ {
+ Con_Print("No selected light.\n");
+ return;
+ }
+ R_Shadow_UpdateWorldLight(r_shadow_selectedlight, r_shadow_selectedlight->origin, r_shadow_bufferlight.angles, r_shadow_bufferlight.color, r_shadow_bufferlight.radius, r_shadow_bufferlight.corona, r_shadow_bufferlight.style, r_shadow_bufferlight.shadow, r_shadow_bufferlight.cubemapname, r_shadow_bufferlight.coronasizescale, r_shadow_bufferlight.ambientscale, r_shadow_bufferlight.diffusescale, r_shadow_bufferlight.specularscale, r_shadow_bufferlight.flags);
+}
+
+void R_Shadow_EditLights_Lock_f(void)
+{
+ if (!r_editlights.integer)
+ {
+ Con_Print("Cannot lock on light when not in editing mode. Set r_editlights to 1.\n");
+ return;
+ }
+ if (r_editlights_lockcursor)
+ {
+ r_editlights_lockcursor = false;
+ return;
+ }
+ if (!r_shadow_selectedlight)
+ {
+ Con_Print("No selected light to lock on.\n");
+ return;
+ }
+ r_editlights_lockcursor = true;
+}
+
+void R_Shadow_EditLights_Init(void)
+{
+ Cvar_RegisterVariable(&r_editlights);
+ Cvar_RegisterVariable(&r_editlights_cursordistance);
+ Cvar_RegisterVariable(&r_editlights_cursorpushback);
+ Cvar_RegisterVariable(&r_editlights_cursorpushoff);
+ Cvar_RegisterVariable(&r_editlights_cursorgrid);
+ Cvar_RegisterVariable(&r_editlights_quakelightsizescale);
+ Cmd_AddCommand("r_editlights_help", R_Shadow_EditLights_Help_f, "prints documentation on console commands and variables in rtlight editing system");
+ Cmd_AddCommand("r_editlights_clear", R_Shadow_EditLights_Clear_f, "removes all world lights (let there be darkness!)");
+ Cmd_AddCommand("r_editlights_reload", R_Shadow_EditLights_Reload_f, "reloads rtlights file (or imports from .lights file or .ent file or the map itself)");
+ Cmd_AddCommand("r_editlights_save", R_Shadow_EditLights_Save_f, "save .rtlights file for current level");
+ Cmd_AddCommand("r_editlights_spawn", R_Shadow_EditLights_Spawn_f, "creates a light with default properties (let there be light!)");
+ Cmd_AddCommand("r_editlights_edit", R_Shadow_EditLights_Edit_f, "changes a property on the selected light");
+ Cmd_AddCommand("r_editlights_editall", R_Shadow_EditLights_EditAll_f, "changes a property on ALL lights at once (tip: use radiusscale and colorscale to alter these properties)");
+ Cmd_AddCommand("r_editlights_remove", R_Shadow_EditLights_Remove_f, "remove selected light");
+ Cmd_AddCommand("r_editlights_toggleshadow", R_Shadow_EditLights_ToggleShadow_f, "toggle on/off the shadow option on the selected light");
+ Cmd_AddCommand("r_editlights_togglecorona", R_Shadow_EditLights_ToggleCorona_f, "toggle on/off the corona option on the selected light");
+ Cmd_AddCommand("r_editlights_importlightentitiesfrommap", R_Shadow_EditLights_ImportLightEntitiesFromMap_f, "load lights from .ent file or map entities (ignoring .rtlights or .lights file)");
+ Cmd_AddCommand("r_editlights_importlightsfile", R_Shadow_EditLights_ImportLightsFile_f, "load lights from .lights file (ignoring .rtlights or .ent files and map entities)");
+ Cmd_AddCommand("r_editlights_copyinfo", R_Shadow_EditLights_CopyInfo_f, "store a copy of all properties (except origin) of the selected light");
+ Cmd_AddCommand("r_editlights_pasteinfo", R_Shadow_EditLights_PasteInfo_f, "apply the stored properties onto the selected light (making it exactly identical except for origin)");
+ Cmd_AddCommand("r_editlights_lock", R_Shadow_EditLights_Lock_f, "lock selection to current light, if already locked - unlock");
+}
+
+
+
+/*
+=============================================================================
+
+LIGHT SAMPLING
+
+=============================================================================
+*/
+
+void R_LightPoint(vec3_t color, const vec3_t p, const int flags)
+{
+ int i, numlights, flag;
+ float f, relativepoint[3], dist, dist2, lightradius2;
+ vec3_t diffuse, n;
+ rtlight_t *light;
+ dlight_t *dlight;
+
+ if (r_fullbright.integer)
+ {
+ VectorSet(color, 1, 1, 1);
+ return;
+ }
+
+ VectorClear(color);
+
+ if (flags & LP_LIGHTMAP)
+ {
+ if (!r_fullbright.integer && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->lit && r_refdef.scene.worldmodel->brush.LightPoint)
+ {
+ VectorClear(diffuse);
+ r_refdef.scene.worldmodel->brush.LightPoint(r_refdef.scene.worldmodel, p, color, diffuse, n);
+ VectorAdd(color, diffuse, color);
+ }
+ else
+ VectorSet(color, 1, 1, 1);
+ color[0] += r_refdef.scene.ambient;
+ color[1] += r_refdef.scene.ambient;
+ color[2] += r_refdef.scene.ambient;
+ }
+
+ if (flags & LP_RTWORLD)
+ {
+ flag = r_refdef.scene.rtworld ? LIGHTFLAG_REALTIMEMODE : LIGHTFLAG_NORMALMODE;
+ numlights = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray);
+ for (i = 0; i < numlights; i++)
+ {
+ dlight = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, i);
+ if (!dlight)
+ continue;
+ light = &dlight->rtlight;
+ if (!(light->flags & flag))
+ continue;
+ // sample
+ lightradius2 = light->radius * light->radius;
+ VectorSubtract(light->shadoworigin, p, relativepoint);
+ dist2 = VectorLength2(relativepoint);
+ if (dist2 >= lightradius2)
+ continue;
+ dist = sqrt(dist2) / light->radius;
+ f = dist < 1 ? (r_shadow_lightintensityscale.value * ((1.0f - dist) * r_shadow_lightattenuationlinearscale.value / (r_shadow_lightattenuationdividebias.value + dist*dist))) : 0;
+ if (f <= 0)
+ continue;
+ // todo: add to both ambient and diffuse
+ if (!light->shadow || CL_TraceLine(p, light->shadoworigin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false, true).fraction == 1)
+ VectorMA(color, f, light->currentcolor, color);
+ }
+ }
+ if (flags & LP_DYNLIGHT)
+ {
+ // sample dlights
+ for (i = 0;i < r_refdef.scene.numlights;i++)
+ {
+ light = r_refdef.scene.lights[i];
+ // sample
+ lightradius2 = light->radius * light->radius;
+ VectorSubtract(light->shadoworigin, p, relativepoint);
+ dist2 = VectorLength2(relativepoint);
+ if (dist2 >= lightradius2)
+ continue;
+ dist = sqrt(dist2) / light->radius;
+ f = dist < 1 ? (r_shadow_lightintensityscale.value * ((1.0f - dist) * r_shadow_lightattenuationlinearscale.value / (r_shadow_lightattenuationdividebias.value + dist*dist))) : 0;
+ if (f <= 0)
+ continue;
+ // todo: add to both ambient and diffuse
+ if (!light->shadow || CL_TraceLine(p, light->shadoworigin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false, true).fraction == 1)
+ VectorMA(color, f, light->color, color);
+ }
+ }
+}
+
+void R_CompleteLightPoint(vec3_t ambient, vec3_t diffuse, vec3_t lightdir, const vec3_t p, const int flags)
+{
+ int i, numlights, flag;
+ rtlight_t *light;
+ dlight_t *dlight;
+ float relativepoint[3];
+ float color[3];
+ float dir[3];
+ float dist;
+ float dist2;
+ float intensity;
+ float sample[5*3];
+ float lightradius2;
+
+ if (r_fullbright.integer)
+ {
+ VectorSet(ambient, 1, 1, 1);
+ VectorClear(diffuse);
+ VectorClear(lightdir);
+ return;
+ }
+
+ if (flags == LP_LIGHTMAP)
+ {
+ VectorSet(ambient, r_refdef.scene.ambient, r_refdef.scene.ambient, r_refdef.scene.ambient);
+ VectorClear(diffuse);
+ VectorClear(lightdir);
+ if (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->lit && r_refdef.scene.worldmodel->brush.LightPoint)
+ r_refdef.scene.worldmodel->brush.LightPoint(r_refdef.scene.worldmodel, p, ambient, diffuse, lightdir);
+ else
+ VectorSet(ambient, 1, 1, 1);
+ return;
+ }
+
+ memset(sample, 0, sizeof(sample));
+ VectorSet(sample, r_refdef.scene.ambient, r_refdef.scene.ambient, r_refdef.scene.ambient);
+
+ if ((flags & LP_LIGHTMAP) && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->lit && r_refdef.scene.worldmodel->brush.LightPoint)
+ {
+ vec3_t tempambient;
+ VectorClear(tempambient);
+ VectorClear(color);
+ VectorClear(relativepoint);
+ r_refdef.scene.worldmodel->brush.LightPoint(r_refdef.scene.worldmodel, p, tempambient, color, relativepoint);
+ VectorScale(tempambient, r_refdef.lightmapintensity, tempambient);
+ VectorScale(color, r_refdef.lightmapintensity, color);
+ VectorAdd(sample, tempambient, sample);
+ VectorMA(sample , 0.5f , color, sample );
+ VectorMA(sample + 3, relativepoint[0], color, sample + 3);
+ VectorMA(sample + 6, relativepoint[1], color, sample + 6);
+ VectorMA(sample + 9, relativepoint[2], color, sample + 9);
+ // calculate a weighted average light direction as well
+ intensity = VectorLength(color);
+ VectorMA(sample + 12, intensity, relativepoint, sample + 12);
+ }
+
+ if (flags & LP_RTWORLD)
+ {
+ flag = r_refdef.scene.rtworld ? LIGHTFLAG_REALTIMEMODE : LIGHTFLAG_NORMALMODE;
+ numlights = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray);
+ for (i = 0; i < numlights; i++)
+ {
+ dlight = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, i);
+ if (!dlight)
+ continue;
+ light = &dlight->rtlight;
+ if (!(light->flags & flag))
+ continue;
+ // sample
+ lightradius2 = light->radius * light->radius;
+ VectorSubtract(light->shadoworigin, p, relativepoint);
+ dist2 = VectorLength2(relativepoint);
+ if (dist2 >= lightradius2)
+ continue;
+ dist = sqrt(dist2) / light->radius;
+ intensity = min(1.0f, (1.0f - dist) * r_shadow_lightattenuationlinearscale.value / (r_shadow_lightattenuationdividebias.value + dist*dist)) * r_shadow_lightintensityscale.value;
+ if (intensity <= 0.0f)
+ continue;
+ if (light->shadow && CL_TraceLine(p, light->shadoworigin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false, true).fraction < 1)
+ continue;
+ // scale down intensity to add to both ambient and diffuse
+ //intensity *= 0.5f;
+ VectorNormalize(relativepoint);
+ VectorScale(light->currentcolor, intensity, color);
+ VectorMA(sample , 0.5f , color, sample );
+ VectorMA(sample + 3, relativepoint[0], color, sample + 3);
+ VectorMA(sample + 6, relativepoint[1], color, sample + 6);
+ VectorMA(sample + 9, relativepoint[2], color, sample + 9);
+ // calculate a weighted average light direction as well
+ intensity *= VectorLength(color);
+ VectorMA(sample + 12, intensity, relativepoint, sample + 12);
+ }
+ }
+
+ if (flags & LP_DYNLIGHT)
+ {
+ // sample dlights
+ for (i = 0;i < r_refdef.scene.numlights;i++)
+ {
+ light = r_refdef.scene.lights[i];
+ // sample
+ lightradius2 = light->radius * light->radius;
+ VectorSubtract(light->shadoworigin, p, relativepoint);
+ dist2 = VectorLength2(relativepoint);
+ if (dist2 >= lightradius2)
+ continue;
+ dist = sqrt(dist2) / light->radius;
+ intensity = (1.0f - dist) * r_shadow_lightattenuationlinearscale.value / (r_shadow_lightattenuationdividebias.value + dist*dist) * r_shadow_lightintensityscale.value;
+ if (intensity <= 0.0f)
+ continue;
+ if (light->shadow && CL_TraceLine(p, light->shadoworigin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false, true).fraction < 1)
+ continue;
+ // scale down intensity to add to both ambient and diffuse
+ //intensity *= 0.5f;
+ VectorNormalize(relativepoint);
+ VectorScale(light->currentcolor, intensity, color);
+ VectorMA(sample , 0.5f , color, sample );
+ VectorMA(sample + 3, relativepoint[0], color, sample + 3);
+ VectorMA(sample + 6, relativepoint[1], color, sample + 6);
+ VectorMA(sample + 9, relativepoint[2], color, sample + 9);
+ // calculate a weighted average light direction as well
+ intensity *= VectorLength(color);
+ VectorMA(sample + 12, intensity, relativepoint, sample + 12);
+ }
+ }
+
+ // calculate the direction we'll use to reduce the sample to a directional light source
+ VectorCopy(sample + 12, dir);
+ //VectorSet(dir, sample[3] + sample[4] + sample[5], sample[6] + sample[7] + sample[8], sample[9] + sample[10] + sample[11]);
+ VectorNormalize(dir);
+ // extract the diffuse color along the chosen direction and scale it
+ diffuse[0] = (dir[0]*sample[3] + dir[1]*sample[6] + dir[2]*sample[ 9] + sample[ 0]);
+ diffuse[1] = (dir[0]*sample[4] + dir[1]*sample[7] + dir[2]*sample[10] + sample[ 1]);
+ diffuse[2] = (dir[0]*sample[5] + dir[1]*sample[8] + dir[2]*sample[11] + sample[ 2]);
+ // subtract some of diffuse from ambient
+ VectorMA(sample, -0.333f, diffuse, ambient);
+ // store the normalized lightdir
+ VectorCopy(dir, lightdir);
+}
projects / voretournament / voretournament.git / blobdiff