the beginnings of texture fog support (to cure the vertex artifacts and simplify...

[xonotic/darkplaces.git] / render.h

diff --git a/render.h b/render.h
index 1a46caad5d92c47a15c853c81f28890edcf3e346..10707a28022fe4cf7cf0520c00aa5e1034e5e31b 100644 (file)
--- a/render.h
+++ b/render.h
@@ -24,11 +24,11 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 // flag arrays used for visibility checking on world model
 // (all other entities have no per-surface/per-leaf visibility checks)
 // TODO: dynamic resize according to r_refdef.worldmodel->brush.num_clusters
-qbyte r_pvsbits[(32768+7)>>3];
+extern qbyte r_pvsbits[(32768+7)>>3];
 // TODO: dynamic resize according to r_refdef.worldmodel->brush.num_leafs
-qbyte r_worldleafvisible[32768];
-// TODO: dynamic resize according to r_refdef.worldmodel->brush.num_surfaces
-qbyte r_worldsurfacevisible[262144];
+extern qbyte r_worldleafvisible[32768];
+// TODO: dynamic resize according to r_refdef.worldmodel->num_surfaces
+extern qbyte r_worldsurfacevisible[262144];
 
 extern matrix4x4_t r_identitymatrix;
 
@@ -68,19 +68,40 @@ extern cvar_t gl_flashblend;
 // vis stuff
 extern cvar_t r_novis;
 
-// detail texture stuff
-extern cvar_t r_detailtextures;
-
 extern cvar_t r_lerpsprites;
 extern cvar_t r_lerpmodels;
 extern cvar_t r_waterscroll;
-extern cvar_t r_watershader;
 
 extern cvar_t developer_texturelogging;
 
+typedef struct rmesh_s
+{
+       // vertices of this mesh
+       int maxvertices;
+       int numvertices;
+       float *vertex3f;
+       float *svector3f;
+       float *tvector3f;
+       float *normal3f;
+       float *texcoord2f;
+       float *texcoordlightmap2f;
+       float *color4f;
+       // triangles of this mesh
+       int maxtriangles;
+       int numtriangles;
+       int *element3i;
+       int *neighbor3i;
+       // snapping epsilon
+       float epsilon2;
+}
+rmesh_t;
+
 // 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);
+int R_Mesh_AddVertex3f(rmesh_t *mesh, const float *v);
+void R_Mesh_AddPolygon3f(rmesh_t *mesh, int numvertices, float *vertex3f);
+void R_Mesh_AddBrushMeshFromPlanes(rmesh_t *mesh, int numplanes, mplane_t *planes);
 
 #define        TOP_RANGE               16                      // soldier uniform colors
 #define        BOTTOM_RANGE    96
@@ -88,9 +109,31 @@ void R_FillColors(float *out, int verts, float r, float g, float b, float a);
 //=============================================================================
 
 extern int r_framecount;
-extern mplane_t frustum[4];
-
-extern int c_alias_polys, c_light_polys, c_faces, c_nodes, c_leafs, c_models, c_bmodels, c_sprites, c_particles, c_dlights, c_meshs, c_meshelements, c_rt_lights, c_rt_clears, c_rt_scissored, c_rt_shadowmeshes, c_rt_shadowtris, c_rt_lightmeshes, c_rt_lighttris, c_rtcached_shadowmeshes, c_rtcached_shadowtris, c_bloom, c_bloomcopies, c_bloomcopypixels, c_bloomdraws, c_bloomdrawpixels;
+extern mplane_t frustum[5];
+
+typedef struct renderstats_s
+{
+       int entities;
+       int entities_surfaces;
+       int entities_triangles;
+       int world_leafs;
+       int world_portals;
+       int particles;
+       int meshes;
+       int meshes_elements;
+       int lights;
+       int lights_clears;
+       int lights_scissored;
+       int lights_lighttriangles;
+       int lights_shadowtriangles;
+       int lights_dynamicshadowtriangles;
+       int bloom;
+       int bloom_copypixels;
+       int bloom_drawpixels;
+}
+renderstats_t;
+
+extern renderstats_t renderstats;
 
 // brightness of world lightmaps and related lighting
 // (often reduced when world rtlights are enabled)
@@ -124,7 +167,6 @@ extern float r_view_fov_y;
 extern matrix4x4_t r_view_matrix;
 
 extern mleaf_t         *r_viewleaf, *r_oldviewleaf;
-extern unsigned short  d_lightstylevalue[256]; // 8.8 fraction of base light value
 
 extern qboolean        envmap;
 
@@ -155,6 +197,8 @@ int R_CullBox(const vec3_t mins, const vec3_t maxs);
 extern qboolean fogenabled;
 extern vec3_t fogcolor;
 extern vec_t fogdensity;
+extern vec_t fogrange;
+extern vec_t fograngerecip;
 #define calcfog(v) (exp(-(fogdensity*fogdensity*(((v)[0] - r_vieworigin[0])*((v)[0] - r_vieworigin[0])+((v)[1] - r_vieworigin[1])*((v)[1] - r_vieworigin[1])+((v)[2] - r_vieworigin[2])*((v)[2] - r_vieworigin[2])))))
 #define calcfogbyte(v) ((qbyte) (bound(0, ((int) ((float) (calcfog((v)) * 255.0f))), 255)))
 
@@ -171,6 +215,8 @@ extern cvar_t r_textureunits;
 extern cvar_t gl_polyblend;
 extern cvar_t gl_dither;
 
+extern cvar_t r_smoothnormals_areaweighting;
+
 #include "gl_backend.h"
 
 #include "r_light.h"
@@ -181,9 +227,8 @@ extern rtexture_t *r_texture_black;
 extern rtexture_t *r_texture_notexture;
 extern rtexture_t *r_texture_whitecube;
 extern rtexture_t *r_texture_normalizationcube;
-#define NUM_DETAILTEXTURES 1
-extern rtexture_t *r_texture_detailtextures[NUM_DETAILTEXTURES];
-extern rtexture_t *r_texture_distorttexture[64];
+extern rtexture_t *r_texture_fogattenuation;
+extern rtexture_t *r_texture_fogintensity;
 
 void R_TimeReport(char *name);
 void R_TimeReport_Start(void);
@@ -198,5 +243,13 @@ void R_Draw2DCrosshair(void);
 void R_CalcBeam_Vertex3f(float *vert, const vec3_t org1, const vec3_t org2, float width);
 void R_DrawSprite(int blendfunc1, int blendfunc2, rtexture_t *texture, int depthdisable, const vec3_t origin, const vec3_t left, const vec3_t up, float scalex1, float scalex2, float scaley1, float scaley2, float cr, float cg, float cb, float ca);
 
+struct entity_render_s;
+struct texture_s;
+struct msurface_s;
+void R_UpdateTextureInfo(const entity_render_t *ent, texture_t *t);
+void R_UpdateAllTextureInfo(entity_render_t *ent);
+void R_QueueTextureSurfaceList(entity_render_t *ent, struct texture_s *texture, int texturenumsurfaces, const struct msurface_s **texturesurfacelist, const vec3_t modelorg);
+void R_DrawSurfaces(entity_render_t *ent, qboolean skysurfaces);
+
 #endif