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SurfIsOffscreen: use raw surface values rather than tess values

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smallmodel 2024-06-03 21:36:35 +02:00
parent 57ac7d8c19
commit c753dcafd8
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1 changed files with 14 additions and 9 deletions
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23
code/renderer/tr_main.c
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@ -993,12 +993,12 @@ qboolean SurfIsOffscreen(const srfSurfaceFace_t* surface, shader_t* shader, int
R_RotateForEntity(&tr.refdef.entities[entityNum], &tr.viewParms, &surfOr);
}
for ( i = 0; i < tess.numVertexes; i++ )
for ( i = 0; i < surface->numPoints; i++ )
{
int j;
unsigned int pointFlags = 0;
R_TransformModelToClip( tess.xyz[i], tr.ori.modelMatrix, tr.viewParms.projectionMatrix, eye, clip );
R_TransformModelToClip( surface->points[i], surfOr.modelMatrix, tr.viewParms.projectionMatrix, eye, clip );
for ( j = 0; j < 3; j++ )
{
@ -1026,20 +1026,25 @@ qboolean SurfIsOffscreen(const srfSurfaceFace_t* surface, shader_t* shader, int
// based on vertex distance isn't 100% correct (we should be checking for
// range to the surface), but it's good enough for the types of portals
// we have in the game right now.
numTriangles = tess.numIndexes / 3;
numTriangles = surface->numIndices / 3;
for ( i = 0; i < tess.numIndexes; i += 3 )
for ( i = 0; i < surface->numIndices; i += 3 )
{
vec3_t normal;
float dot;
float len;
unsigned* indices;
VectorSubtract( tess.xyz[tess.indexes[i]], tr.viewParms.ori.origin, normal );
indices = (unsigned*)(((char*)surface) + surface->ofsIndices);
len = VectorLengthSquared( normal ); // lose the sqrt
if ( len < shortest )
{
shortest = len;
VectorSubtract( surface->points[indices[i]], surfOr.viewOrigin, normal);
if (shader->fDistRange > 0) {
len = VectorLengthSquared(normal); // lose the sqrt
if (len < shortest)
{
shortest = len;
}
}
if ( ( dot = DotProduct( normal, tess.normal[tess.indexes[i]] ) ) >= 0 )