This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
*/
-// refresh.h -- public interface to refresh functions
+#ifndef RENDER_H
+#define RENDER_H
-#define MAXCLIPPLANES 11
+// 1.0f / N table
+extern float ixtable[4096];
+
+// far clip distance for scene
+extern float r_farclip;
+
+// fog stuff
+extern void FOG_clear(void);
+extern float fog_density, fog_red, fog_green, fog_blue;
+
+// sky stuff
+extern int R_SetSkyBox(char* sky);
+extern cvar_t r_sky;
+// these are exposed because surface rendering uses them
+extern rtexture_t *solidskytexture;
+extern rtexture_t *alphaskytexture;
+extern int skyrendernow, skyrendermasked;
+extern void R_SkyStartFrame(void);
+extern void R_Sky(void);
+
+// SHOWLMP stuff (Nehahra)
+extern void SHOWLMP_decodehide(void);
+extern void SHOWLMP_decodeshow(void);
+extern void SHOWLMP_drawall(void);
+extern void SHOWLMP_clear(void);
+
+// render profiling stuff
+extern qboolean intimerefresh;
+extern char r_speeds_string[1024];
+
+// lighting stuff
+extern vec3_t lightspot;
+extern cvar_t r_ambient;
+extern int lightscalebit;
+extern float lightscale;
+
+// model rendering stuff
+extern float *aliasvert;
+extern float *aliasvertnorm;
+extern float *aliasvertcolor;
+
+// vis stuff
+extern cvar_t r_novis;
+
+// detail texture stuff
+extern cvar_t r_detailtextures;
+
+// useful functions for rendering
+void R_ModulateColors(float *in, float *out, int verts, float r, float g, float b);
+void R_FillColors(float *out, int verts, float r, float g, float b, float a);
#define TOP_RANGE 16 // soldier uniform colors
#define BOTTOM_RANGE 96
//=============================================================================
-typedef struct efrag_s
-{
- struct mleaf_s *leaf;
- struct efrag_s *leafnext;
- struct entity_s *entity;
- struct efrag_s *entnext;
-} efrag_t;
-
-
-typedef struct entity_s
-{
- qboolean forcelink; // model changed
-
- int update_type;
-
- entity_state_t baseline; // to fill in defaults in updates
- entity_state_t deltabaseline; // LordHavoc: previous frame
-
- double msgtime; // time of last update
- vec3_t msg_origins[2]; // last two updates (0 is newest)
- vec3_t origin;
- vec3_t msg_angles[2]; // last two updates (0 is newest)
- vec3_t angles;
-
- // LordHavoc: added support for alpha transprency and other effects
- float alpha; // opacity (alpha) of the model
- float colormod[3]; // color tint for model
- float scale; // size the model is shown
- int draw_lastpose, draw_pose; // for interpolation
- float draw_lerpstart; // for interpolation
- struct model_s *draw_lastmodel; // for interpolation
- float trail_leftover;
- float glowsize; // how big the glow is
- byte glowcolor; // color of glow and particle trail (paletted)
- byte glowtrail; // leaves a trail of particles
- byte isviewmodel; // attached to view
-
- struct model_s *model; // NULL = no model
- struct efrag_s *efrag; // linked list of efrags
- int frame;
- float syncbase; // for client-side animations
- byte *colormap;
- int effects; // light, particals, etc
- int skinnum; // for Alias models
- int visframe; // last frame this entity was
- // found in an active leaf
-
- int dlightframe; // dynamic lighting
- int dlightbits[8];
-
-// FIXME: could turn these into a union
- int trivial_accept;
- struct mnode_s *topnode; // for bmodels, first world node
- // that splits bmodel, or NULL if
- // not split
-} entity_t;
-
-// !!! if this is changed, it must be changed in asm_draw.h too !!!
-typedef struct
-{
- vrect_t vrect; // subwindow in video for refresh
- // FIXME: not need vrect next field here?
- vrect_t aliasvrect; // scaled Alias version
- int vrectright, vrectbottom; // right & bottom screen coords
- int aliasvrectright, aliasvrectbottom; // scaled Alias versions
- float vrectrightedge; // rightmost right edge we care about,
- // for use in edge list
- float fvrectx, fvrecty; // for floating-point compares
- float fvrectx_adj, fvrecty_adj; // left and top edges, for clamping
- int vrect_x_adj_shift20; // (vrect.x + 0.5 - epsilon) << 20
- int vrectright_adj_shift20; // (vrectright + 0.5 - epsilon) << 20
- float fvrectright_adj, fvrectbottom_adj;
- // right and bottom edges, for clamping
- float fvrectright; // rightmost edge, for Alias clamping
- float fvrectbottom; // bottommost edge, for Alias clamping
- float horizontalFieldOfView; // at Z = 1.0, this many X is visible
- // 2.0 = 90 degrees
- float xOrigin; // should probably allways be 0.5
- float yOrigin; // between be around 0.3 to 0.5
-
- vec3_t vieworg;
- vec3_t viewangles;
-
- float fov_x, fov_y;
-
- int ambientlight;
-} refdef_t;
+extern entity_render_t *currentrenderentity;
+extern int r_framecount;
+extern mplane_t frustum[4];
+extern int c_brush_polys, c_alias_polys, c_light_polys, c_faces, c_nodes, c_leafs, c_models, c_bmodels, c_sprites, c_particles, c_dlights;
//
-// refresh
+// view origin
//
-extern int reinit_surfcache;
+extern vec3_t vup;
+extern vec3_t vpn;
+extern vec3_t vright;
+extern vec3_t r_origin;
+extern mleaf_t *r_viewleaf, *r_oldviewleaf;
+extern unsigned short d_lightstylevalue[256]; // 8.8 fraction of base light value
-extern refdef_t r_refdef;
-extern vec3_t r_origin, vpn, vright, vup;
+extern qboolean envmap;
-extern struct texture_s *r_notexture_mip;
-
-// LordHavoc: generic image loader
-byte* loadimagepixels (char* filename, qboolean complain, int matchwidth, int matchheight);
-int loadtextureimage (int texnum, char* filename, qboolean complain, int matchwidth, int matchheight);
+extern cvar_t r_drawentities;
+extern cvar_t r_drawviewmodel;
+extern cvar_t r_speeds;
+extern cvar_t r_fullbright;
+extern cvar_t r_wateralpha;
+extern cvar_t r_dynamic;
void R_Init (void);
-void R_InitTextures (void);
-void R_InitEfrags (void);
-void R_RenderView (void); // must set r_refdef first
-void R_ViewChanged (vrect_t *pvrect, int lineadj, float aspect);
- // called whenever r_refdef or vid change
-// LordHavoc: changed this for sake of GLQuake
-void R_InitSky (byte *src, int bytesperpixel); // called at level load
-//void R_InitSky (struct texture_s *mt); // called at level load
-
-void R_AddEfrags (entity_t *ent);
-void R_RemoveEfrags (entity_t *ent);
+void R_RenderView (void); // must set r_refdef first
+
+
+void R_InitSky (qbyte *src, int bytesperpixel); // called at level load
void R_NewMap (void);
+void R_DrawWorld(void);
+void R_SetupForWorldRendering(void);
+void R_MarkWorldLights(void);
+void R_PrepareSurfaces(void);
+void R_DrawSurfaces(int type);
+void R_DrawPortals(void);
+void R_DrawParticles(void);
+void R_DrawExplosions(void);
-void R_ParseParticleEffect (void);
-void R_RunParticleEffect (vec3_t org, vec3_t dir, int color, int count);
-void R_RocketTrail (vec3_t start, vec3_t end, int type, entity_t *ent);
-void R_RocketTrail2 (vec3_t start, vec3_t end, int type, entity_t *ent);
-void R_SparkShower (vec3_t org, vec3_t dir, int count, int type);
+// LordHavoc: vertex transform
+#include "transform.h"
-void R_EntityParticles (entity_t *ent);
-void R_BlobExplosion (vec3_t org);
-void R_ParticleExplosion (vec3_t org, int smoke);
-void R_ParticleExplosion2 (vec3_t org, int colorStart, int colorLength);
-void R_LavaSplash (vec3_t org);
-void R_TeleportSplash (vec3_t org);
+#define gl_solid_format 3
+#define gl_alpha_format 4
-void R_PushDlights (void);
+//#define PARANOID 1
+// LordHavoc: was a major time waster
+#define R_CullBox(mins,maxs) (frustum[0].BoxOnPlaneSideFunc(mins, maxs, &frustum[0]) == 2 || frustum[1].BoxOnPlaneSideFunc(mins, maxs, &frustum[1]) == 2 || frustum[2].BoxOnPlaneSideFunc(mins, maxs, &frustum[2]) == 2 || frustum[3].BoxOnPlaneSideFunc(mins, maxs, &frustum[3]) == 2)
+#define R_NotCulledBox(mins,maxs) (frustum[0].BoxOnPlaneSideFunc(mins, maxs, &frustum[0]) != 2 && frustum[1].BoxOnPlaneSideFunc(mins, maxs, &frustum[1]) != 2 && frustum[2].BoxOnPlaneSideFunc(mins, maxs, &frustum[2]) != 2 && frustum[3].BoxOnPlaneSideFunc(mins, maxs, &frustum[3]) != 2)
-//
-// surface cache related
-//
-extern int reinit_surfcache; // if 1, surface cache is currently empty and
-extern qboolean r_cache_thrash; // set if thrashing the surface cache
-
-int D_SurfaceCacheForRes (int width, int height);
-void D_FlushCaches (void);
-void D_DeleteSurfaceCache (void);
-void D_InitCaches (void *buffer, int size);
-void R_SetVrect (vrect_t *pvrect, vrect_t *pvrectin, int lineadj);
+extern qboolean fogenabled;
+extern vec3_t fogcolor;
+extern vec_t fogdensity;
+#define calcfog(v) (exp(-(fogdensity*fogdensity*(((v)[0] - r_origin[0])*((v)[0] - r_origin[0])+((v)[1] - r_origin[1])*((v)[1] - r_origin[1])+((v)[2] - r_origin[2])*((v)[2] - r_origin[2])))))
+#define calcfogbyte(v) ((qbyte) (bound(0, ((int) ((float) (calcfog((v)) * 255.0f))), 255)))
+
+// start a farclip measuring session
+void R_FarClip_Start(vec3_t origin, vec3_t direction, vec_t startfarclip);
+// enlarge farclip to accomodate box
+void R_FarClip_Box(vec3_t mins, vec3_t maxs);
+// return farclip value
+float R_FarClip_Finish(void);
+
+// updates farclip distance so it is large enough for the specified box
+// (*important*)
+void R_Mesh_EnlargeFarClipBBox(vec3_t mins, vec3_t maxs);
+
+#include "r_modules.h"
+
+extern float overbrightscale;
+
+#include "r_lerpanim.h"
+
+void R_DrawBrushModelSky (void);
+void R_DrawBrushModelNormal (void);
+void R_DrawAliasModel (void);
+void R_DrawSpriteModel (void);
+
+extern cvar_t r_render;
+#include "image.h"
+
+extern cvar_t r_textureunits;
+extern cvar_t gl_dither;
+
+// FIXME: this should live in the backend only
+void GL_LockArray(int first, int count);
+void GL_UnlockArray(void);
+
+#include "gl_backend.h"
+
+#include "r_light.h"
+
+void R_TimeReport(char *name);
+void R_TimeReport_Start(void);
+void R_TimeReport_End(void);
+
+// r_stain
+void R_Stain (vec3_t origin, float radius, int cr1, int cg1, int cb1, int ca1, int cr2, int cg2, int cb2, int ca2);
+
+void R_DrawCrosshair(void);
+
+#endif
projects / xonotic / darkplaces.git / blobdiff