/*
* R_DrawCoronas
*/
void R_DrawCoronas( void )
{
unsigned int i;
float dist;
dlight_t *light;
rtrace_t tr;
if( r_dynamiclight->integer != 2 )
return;
for( i = 0; i < rsc.numDlights; i++ )
{
light = rsc.dlights + i;
dist =
rn.viewAxis[AXIS_FORWARD+0] * ( light->origin[0] - rn.viewOrigin[0] ) +
rn.viewAxis[AXIS_FORWARD+1] * ( light->origin[1] - rn.viewOrigin[1] ) +
rn.viewAxis[AXIS_FORWARD+2] * ( light->origin[2] - rn.viewOrigin[2] );
if( dist < 24.0f )
continue;
dist -= light->intensity;
R_TraceLine( &tr, light->origin, rn.viewOrigin, SURF_NONSOLID );
if( tr.fraction != 1.0f )
continue;
R_AddDSurfToDrawList( rsc.worldent,
R_FogForSphere( light->origin, 1 ),
r_coronaShader,
Distance( rn.viewOrigin, light->origin ), 0, NULL, &r_coronaSurfs[i] );
}
}
/*
* R_RenderDebugSurface
*/
static void R_RenderDebugSurface( const refdef_t *fd )
{
rtrace_t tr;
vec3_t forward;
vec3_t start, end;
msurface_t *surf;
if( fd->rdflags & RDF_NOWORLDMODEL )
return;
if( r_speeds->integer != 4 && r_speeds->integer != 5 )
return;
VectorCopy( &fd->viewaxis[AXIS_FORWARD], forward );
VectorCopy( fd->vieworg, start );
VectorMA( start, 4096, forward, end );
surf = R_TraceLine( &tr, start, end, 0 );
if( surf && surf->drawSurf && !r_showtris->integer )
{
R_ClearDrawList();
if( !R_AddDSurfToDrawList( R_NUM2ENT(tr.ent), NULL, surf->shader, 0, 0, NULL, surf->drawSurf ) ) {
return;
}
rsc.debugSurface = surf;
if( r_speeds->integer == 5 ) {
// VBO debug mode
R_AddVBOSlice( surf->drawSurf - rsh.worldBrushModel->drawSurfaces,
surf->drawSurf->vbo->numVerts, surf->drawSurf->vbo->numElems,
0, 0 );
}
else {
// classic mode (showtris for individual surface)
R_AddVBOSlice( surf->drawSurf - rsh.worldBrushModel->drawSurfaces,
surf->mesh->numVerts, surf->mesh->numElems,
surf->firstDrawSurfVert, surf->firstDrawSurfElem );
}
R_DrawOutlinedSurfaces();
}
}
/*
* R_DrawPolys
*/
void R_DrawPolys( void )
{
unsigned int i;
drawSurfacePoly_t *p;
mfog_t *fog;
if( rn.renderFlags & RF_NOENTS )
return;
for( i = 0; i < rsc.numPolys; i++ )
{
p = rsc.polys + i;
if( p->fogNum <= 0 || (unsigned)p->fogNum > rsh.worldBrushModel->numfogs )
fog = NULL;
else
fog = rsh.worldBrushModel->fogs + p->fogNum - 1;
if( !R_AddDSurfToDrawList( rsc.worldent, fog, p->shader, 0, i, NULL, p ) ) {
continue;
}
}
}
/*
* R_AddSkyToDrawList
*/
void R_AddSkyToDrawList( const msurface_t *fa )
{
int i;
vec3_t *vert;
elem_t *elem;
mesh_t *mesh;
vec3_t verts[4];
// calculate vertex values for sky box
r_warpFace = fa;
r_warpFaceVis = qfalse;
mesh = fa->mesh;
elem = mesh->elems;
vert = mesh->xyzArray;
for( i = 0; i < mesh->numElems; i += 3, elem += 3 )
{
VectorSubtract( vert[elem[0]], rn.viewOrigin, verts[0] );
VectorSubtract( vert[elem[1]], rn.viewOrigin, verts[1] );
VectorSubtract( vert[elem[2]], rn.viewOrigin, verts[2] );
ClipSkyPolygon( 3, verts[0], 0 );
}
if( r_warpFaceVis ) {
if( fa->fog ) {
rn.skyFog = fa->fog;
} else if( r_worldbrushmodel->globalfog ) {
rn.skyFog = r_worldbrushmodel->globalfog;
}
// there should be only one sky drawSurf in the list
if( !rn.skyShader ) {
rn.skyShader = fa->shader;
R_AddDSurfToDrawList( rsc.worldent, NULL, fa->shader, 0, r_warpFaceAxis, NULL, &r_skySurf );
}
}
}
/*
* 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_AddSkeletalModelToDrawList
*/
qboolean R_AddSkeletalModelToDrawList( const entity_t *e )
{
int i;
const mfog_t *fog;
const model_t *mod;
const shader_t *shader;
const mskmesh_t *mesh;
const mskmodel_t *skmodel;
vec3_t mins, maxs;
float radius;
float distance;
int clipped;
mod = R_SkeletalModelLOD( e );
if( !( skmodel = ( ( mskmodel_t * )mod->extradata ) ) || !skmodel->nummeshes )
return qfalse;
radius = R_SkeletalModelLerpBBox( e, mod, mins, maxs );
clipped = R_CullModelEntity( e, mins, maxs, radius, qtrue );
if( clipped )
return qfalse;
// never render weapon models or non-occluders into shadowmaps
if( rn.renderFlags & RF_SHADOWMAPVIEW ) {
if( e->renderfx & RF_WEAPONMODEL ) {
return qtrue;
}
if( rsc.entShadowGroups[R_ENT2NUM(e)] != rn.shadowGroup->id ) {
return qtrue;
}
}
// make sure weapon model is always closest to the viewer
if( e->renderfx & RF_WEAPONMODEL ) {
distance = 0;
}
else {
distance = Distance( e->origin, rn.viewOrigin ) + 1;
}
fog = R_FogForSphere( e->origin, radius );
#if 0
if( !( e->flags & RF_WEAPONMODEL ) && fog )
{
R_SkeletalModelLerpBBox( e, mod );
if( R_CompletelyFogged( fog, e->origin, skm_radius ) )
return qfalse;
}
#endif
for( i = 0, mesh = skmodel->meshes; i < (int)skmodel->nummeshes; i++, mesh++ )
{
shader = NULL;
if( e->customSkin ) {
shader = R_FindShaderForSkinFile( e->customSkin, mesh->name );
} else if( e->customShader ) {
shader = e->customShader;
} else {
shader = mesh->skin.shader;
}
if( shader ) {
R_AddDSurfToDrawList( e, fog, shader, distance, 0, NULL, skmodel->drawSurfs + i );
}
}
return qtrue;
}
/*
* 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++;
}