/*
* R_AddSurfaceToDrawList
*/
static void R_AddSurfaceToDrawList( const entity_t *e, const msurface_t *surf, const mfog_t *fog,
unsigned int clipFlags, unsigned int dlightBits, unsigned shadowBits, float dist )
{
int order = 0;
shader_t *shader;
drawSurfaceBSP_t *drawSurf;
if( R_CullSurface( e, surf, clipFlags ) ) {
return;
}
if( r_drawworld->integer == 2 ) {
shader = rsh.envShader;
} else {
shader = surf->shader;
if( shader->flags & SHADER_SKY ) {
if( !R_FASTSKY() ) {
R_AddSkyToDrawList( surf );
rn.numVisSurfaces++;
}
return;
}
}
drawSurf = surf->drawSurf;
if( drawSurf->visFrame != rf.frameCount ) {
portalSurface_t *portalSurface = NULL;
if( shader->flags & SHADER_PORTAL ) {
// draw portals in front-to-back order
dist = 1024 - dist / 100.0f;
if( dist < 1 ) dist = 1;
portalSurface = R_AddPortalSurface( e, surf->mesh, surf->mins, surf->maxs, shader );
}
drawSurf->visFrame = rf.frameCount;
if( !R_AddDSurfToDrawList( e, fog, shader, dist, order, portalSurface, drawSurf ) ) {
return;
}
}
// keep track of the actual vbo chunk we need to render
R_AddVBOSlice( drawSurf - rsh.worldBrushModel->drawSurfaces,
surf->mesh->numVerts, surf->mesh->numElems,
surf->firstDrawSurfVert, surf->firstDrawSurfElem );
// dynamic lights that affect the surface
if( dlightBits && R_SurfPotentiallyLit( surf ) ) {
// ignore dlights that have already been marked as affectors
if( drawSurf->dlightFrame == rsc.frameCount ) {
drawSurf->dlightBits |= dlightBits;
} else {
drawSurf->dlightBits = dlightBits;
drawSurf->dlightFrame = rsc.frameCount;
}
}
// shadows that are projected onto the surface
if( shadowBits && R_SurfPotentiallyShadowed( surf ) ) {
// ignore shadows that have already been marked as affectors
if( drawSurf->shadowFrame == rsc.frameCount ) {
drawSurf->shadowBits |= shadowBits;
} else {
drawSurf->shadowBits = shadowBits;
drawSurf->shadowFrame = rsc.frameCount;
}
}
rf.stats.c_brush_polys++;
rn.numVisSurfaces++;
}
/*
* R_AddSurfaceToDrawList
*/
static void R_AddSurfaceToDrawList( const entity_t *e, const msurface_t *surf, const mfog_t *fog,
unsigned int clipFlags, unsigned int dlightBits, unsigned shadowBits, float dist )
{
int order = 0;
shader_t *shader;
drawSurfaceBSP_t *drawSurf;
if( R_CullSurface( e, surf, clipFlags ) ) {
return;
}
if( r_drawworld->integer == 2 ) {
shader = rf.envShader;
} else {
shader = surf->shader;
if( shader->flags & SHADER_SKY ) {
if( !R_FASTSKY() ) {
R_AddSkyToDrawList( surf );
}
// fallthrough, but add with skyclip shader, writing to depthbuffer
// that will mask our skydome and prevent world geometry from
// bleeding through it
fog = NULL;
shader = rf.skyclipShader;
order = 1000;
}
}
drawSurf = surf->drawSurf;
if( drawSurf->visFrame != r_framecount ) {
portalSurface_t *portalSurface = NULL;
if( shader->flags & SHADER_PORTAL ) {
portalSurface = R_AddPortalSurface( e, surf->mesh, surf->mins, surf->maxs, shader );
}
drawSurf->visFrame = r_framecount;
if( !R_AddDSurfToDrawList( e, fog, shader, dist, order, portalSurface, drawSurf ) ) {
return;
}
}
// keep track of the actual vbo chunk we need to render
R_AddVBOSlice( drawSurf - r_worldbrushmodel->drawSurfaces,
surf->mesh->numVerts, surf->mesh->numElems,
surf->firstDrawSurfVert, surf->firstDrawSurfElem );
// dynamic lights that affect the surface
if( dlightBits && R_SurfPotentiallyLit( surf ) ) {
// ignore dlights that have already been marked as affectors
if( drawSurf->dlightFrame == rf.sceneFrameCount ) {
drawSurf->dlightBits |= dlightBits;
} else {
drawSurf->dlightBits = dlightBits;
drawSurf->dlightFrame = rf.sceneFrameCount;
}
}
// shadows that are projected onto the surface
if( shadowBits && R_SurfPotentiallyShadowed( surf ) ) {
// ignore shadows that have already been marked as affectors
if( drawSurf->shadowFrame == rf.sceneFrameCount ) {
drawSurf->shadowBits |= shadowBits;
} else {
drawSurf->shadowBits = shadowBits;
drawSurf->shadowFrame = rf.sceneFrameCount;
}
}
c_brush_polys++;
rn.numVisSurfaces++;
}