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Fixing Mirrored models

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This commit is contained in:
Richard Allen 2011-03-09 00:17:47 +00:00
parent 01f4125e1b
commit df90233606
3 changed files with 23 additions and 2 deletions
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2
reaction/code/renderer/tr_local.h
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@ -76,6 +76,8 @@ typedef struct {
qboolean needDlights; // true for bmodels that touch a dlight
qboolean lightingCalculated;
// JBravo: Mirrored models
qboolean mirrored; // mirrored matrix, needs reversed culling
vec3_t lightDir; // normalized direction towards light
vec3_t ambientLight; // color normalized to 0-255
int ambientLightInt; // 32 bit rgba packed

7
reaction/code/renderer/tr_scene.c
View file

@ -205,6 +205,9 @@ RE_AddRefEntityToScene
=====================
*/
void RE_AddRefEntityToScene( const refEntity_t *ent ) {
// JBravo: Mirrored models
vec3_t cross;
if ( !tr.registered ) {
return;
}
@ -226,6 +229,10 @@ void RE_AddRefEntityToScene( const refEntity_t *ent ) {
backEndData[tr.smpFrame]->entities[r_numentities].e = *ent;
backEndData[tr.smpFrame]->entities[r_numentities].lightingCalculated = qfalse;
// JBravo: Mirrored models
CrossProduct(ent->axis[0], ent->axis[1], cross);
backEndData[tr.smpFrame]->entities[r_numentities].mirrored = (DotProduct(ent->axis[2], cross) < 0.f);
r_numentities++;
}

16
reaction/code/renderer/tr_surface.c
View file

@ -879,8 +879,20 @@ static void RB_SurfaceMesh(md3Surface_t *surface) {
indexes = surface->numTriangles * 3;
Bob = tess.numIndexes;
Doug = tess.numVertexes;
for (j = 0 ; j < indexes ; j++) {
tess.indexes[Bob + j] = Doug + triangles[j];
// JBravo: Mirrored models
if (backEnd.currentEntity->mirrored) {
// Makro - this should be done differently, but since we're copying
// indices in a loop anyway (see below), reversing them in the same loop
// is practically free...
for (j = 0 ; j < indexes ; j += 3) {
tess.indexes[Bob + j + 0] = Doug + triangles[j + 0];
tess.indexes[Bob + j + 1] = Doug + triangles[j + 2];
tess.indexes[Bob + j + 2] = Doug + triangles[j + 1];
}
} else {
for (j = 0 ; j < indexes ; j++) {
tess.indexes[Bob + j] = Doug + triangles[j];
}
}
tess.numIndexes += indexes;