r_grass.h File Reference

Pseudoinstanced grass generation and rendering. More...

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Functions
void	R_ClearGrass ()
void	R_GenerateGrass ()
void	R_DrawGrass ()

Detailed Description

Pseudoinstanced grass generation and rendering.

Definition in file r_grass.h.

Function Documentation

R_ClearGrass()

void R_ClearGrass

(

)

Definition at line 56 of file r_grass.cpp.

References clumpCount, clumpsForLevel, clumpTriangleCount, clumpTrianglesForLevel, and OBJZERO.

Referenced by R_ModBeginLoading().

R_DrawGrass()

void R_DrawGrass

(

)

Definition at line 399 of file r_grass.cpp.

References clumpTriangleCount, clumpTrianglesForLevel, gfv_pos, gfv_texcoord, it_pic, R_BindArray(), R_BindDefaultArray(), R_BindTexture, R_EnableAlphaTest(), R_FindImage(), and refdef.

Referenced by R_RenderFrame().

R_GenerateGrass()

void R_GenerateGrass

(

)

Todo

sometimes rounding error makes it to plant an extra clump which may overrun the vertex array, thus causing problems with OpenGL driver, should be fixed

Definition at line 228 of file r_grass.cpp.

References clumpCount, clumps, clumpsForLevel, clumpTriangleCount, clumpTrianglesForLevel, Com_Printf(), CrossProduct(), mBspHeader_t::firstface, Clump::firstTriangle, mBspSurface_t::firstTriangle, mBspTexInfo_t::flags, mBspSurface_t::frame, frand(), GRASS_MARK, i, mBspModel_t::indexes, level, LEVEL_LASTVISIBLE, MAX_CLUMPS, cBspPlane_t::normal, mBspHeader_t::numfaces, Clump::numTriangles, mBspSurface_t::numTriangles, PATHFINDING_HEIGHT, mBspSurface_t::plane, R_AddClump(), r_mapTiles, r_numMapTiles, R_OrganizeClumps(), R_PlantGrass(), mBspModel_t::submodels, SURF_FOLIAGE, mBspModel_t::surfaces, mBspSurface_t::texinfo, v, va(), VectorCopy, VectorLength(), VectorMA(), VectorSubtract, and mBspModel_t::verts.

Referenced by R_ModEndLoading().