int G2_AddSurface(CGhoul2Info *ghoul2, int surfaceNumber, int polyNumber, float BarycentricI, float BarycentricJ, int lod )
{
lod = G2_DecideTraceLod(*ghoul2, lod);
// first up, see if we have a free one already set up - look only from the end of the constant surfaces onwards
unsigned int i;
for (i=0; i<ghoul2->mSlist.size(); i++)
{
// is the surface count -1? That would indicate it's free
if (ghoul2->mSlist[i].surface == -1)
{
break;
}
}
if (i==ghoul2->mSlist.size())
{
ghoul2->mSlist.push_back(surfaceInfo_t());
}
ghoul2->mSlist[i].offFlags = G2SURFACEFLAG_GENERATED;
ghoul2->mSlist[i].surface = 10000; // no model will ever have 10000 surfaces
ghoul2->mSlist[i].genBarycentricI = BarycentricI;
ghoul2->mSlist[i].genBarycentricJ = BarycentricJ;
ghoul2->mSlist[i].genPolySurfaceIndex = ((polyNumber & 0xffff) << 16) | (surfaceNumber & 0xffff);
ghoul2->mSlist[i].genLod = lod;
return i;
}
void G2_TraceModels(CGhoul2Info_v &ghoul2, vec3_t rayStart, vec3_t rayEnd, CCollisionRecord *collRecMap, int entNum, EG2_Collision eG2TraceType, int useLod, float fRadius)
{
int i, lod;
skin_t *skin;
shader_t *cust_shader;
// walk each possible model for this entity and try tracing against it
for (i=0; i<ghoul2.size(); i++)
{
// don't bother with models that we don't care about.
if (!ghoul2[i].mValid)
{
continue;
}
assert(G2_MODEL_OK(&ghoul2[i]));
// do we really want to collide with this object?
if (ghoul2[i].mFlags & GHOUL2_NOCOLLIDE)
{
continue;
}
if (ghoul2[i].mCustomShader)
{
cust_shader = R_GetShaderByHandle(ghoul2[i].mCustomShader );
}
else
{
cust_shader = NULL;
}
// figure out the custom skin thing
if ( ghoul2[i].mSkin > 0 && ghoul2[i].mSkin < tr.numSkins )
{
skin = R_GetSkinByHandle( ghoul2[i].mSkin );
}
else
{
skin = NULL;
}
lod = G2_DecideTraceLod(ghoul2[i],useLod);
//reset the quick surface override lookup
G2_FindOverrideSurface(-1, ghoul2[i].mSlist);
CTraceSurface TS(ghoul2[i].mSurfaceRoot, ghoul2[i].mSlist, ghoul2[i].currentModel, lod, rayStart, rayEnd, collRecMap, entNum, i, skin, cust_shader, ghoul2[i].mTransformedVertsArray, eG2TraceType, fRadius);
// start the surface recursion loop
G2_TraceSurfaces(TS);
// if we've hit one surface on one model, don't bother doing the rest
if (TS.hitOne)
{
break;
}
}
}
// main calling point for the model transform for collision detection. At this point all of the skeleton has been transformed.
void G2_TransformModel(CGhoul2Info_v &ghoul2, const int frameNum, vec3_t scale, CMiniHeap *G2VertSpace, int useLod)
{
int i, lod;
vec3_t correctScale;
VectorCopy(scale, correctScale);
// check for scales of 0 - that's the default I believe
if (!scale[0])
{
correctScale[0] = 1.0;
}
if (!scale[1])
{
correctScale[1] = 1.0;
}
if (!scale[2])
{
correctScale[2] = 1.0;
}
// walk each possible model for this entity and try rendering it out
for (i=0; i<ghoul2.size(); i++)
{
CGhoul2Info &g=ghoul2[i];
// don't bother with models that we don't care about.
if (!g.mValid)
{
continue;
}
assert(g.mBoneCache);
assert(G2_MODEL_OK(&g));
// stop us building this model more than once per frame
g.mMeshFrameNum = frameNum;
// decide the LOD
lod = G2_DecideTraceLod(g, useLod);
// give us space for the transformed vertex array to be put in
ghoul2[i].mTransformedVertsArray = (int*)G2VertSpace->MiniHeapAlloc(g.currentModel->mdxm->numSurfaces * 4);
if (!g.mTransformedVertsArray)
{
Com_Error(ERR_DROP, "Ran out of transform space for Ghoul2 Models. Adjust MiniHeapSize in SV_SpawnServer.\n");
}
memset(g.mTransformedVertsArray, 0,(g.currentModel->mdxm->numSurfaces * 4));
G2_FindOverrideSurface(-1,g.mSlist); //reset the quick surface override lookup;
// recursively call the model surface transform
G2_TransformSurfaces(g.mSurfaceRoot, g.mSlist, g.mBoneCache, g.currentModel, lod, correctScale, G2VertSpace, g.mTransformedVertsArray, false);
}
}