/*
* Mod_CreateVisLeafs
*/
static void Mod_CreateVisLeafs( model_t *mod )
{
int i;
int count, numVisLeafs;
int numVisSurfaces, numFragmentSurfaces;
mleaf_t *leaf;
msurface_t *surf, **mark;
mbrushmodel_t *loadbmodel = (( mbrushmodel_t * )mod->extradata);
count = loadbmodel->numleafs;
loadbmodel->visleafs = Mod_Malloc( mod, ( count+1 )*sizeof( *loadbmodel->visleafs ) );
memset( loadbmodel->visleafs, 0, ( count+1 )*sizeof( *loadbmodel->visleafs ) );
numVisLeafs = 0;
for( i = 0; i < count; i++ )
{
numVisSurfaces = numFragmentSurfaces = 0;
leaf = loadbmodel->leafs + i;
if( leaf->cluster < 0 || !leaf->firstVisSurface )
{
leaf->firstVisSurface = NULL;
leaf->firstFragmentSurface = NULL;
continue;
}
mark = leaf->firstVisSurface;
do
{
surf = *mark++;
if( R_SurfPotentiallyVisible( surf ) )
{
leaf->firstVisSurface[numVisSurfaces++] = surf;
if( R_SurfPotentiallyFragmented( surf ) )
leaf->firstFragmentSurface[numFragmentSurfaces++] = surf;
}
} while( *mark );
if( numVisSurfaces )
leaf->firstVisSurface[numVisSurfaces] = NULL;
else
leaf->firstVisSurface = NULL;
if( numFragmentSurfaces )
leaf->firstFragmentSurface[numFragmentSurfaces] = NULL;
else
leaf->firstFragmentSurface = NULL;
if( !numVisSurfaces )
{
//out->cluster = -1;
continue;
}
loadbmodel->visleafs[numVisLeafs++] = leaf;
}
loadbmodel->visleafs[numVisLeafs] = NULL;
}
/*
* R_TraceAgainstBmodel
*/
static int R_TraceAgainstBmodel( mbrushmodel_t *bmodel ) {
unsigned int i;
msurface_t *surf;
for( i = 0; i < bmodel->numModelSurfaces; i++ ) {
surf = rsh.worldBrushModel->surfaces + bmodel->firstModelSurface + i;
if( surf->flags & trace_umask ) {
continue;
}
if( !R_SurfPotentiallyFragmented( surf ) ) {
continue;
}
if( R_TraceAgainstSurface( surf ) ) {
trace_surface = surf; // impact point
}
}
return 0;
}
