public void InitQuake3Patches(Quake3Level q3lvl, VertexDeclaration decl)
{
int face;
patchVertexCount = 0;
patchIndexCount = 0;
// We're just building the patch here to get a hold on the size of the mesh
// although we'll reuse this information later
face = q3lvl.NumFaces;
while (face-- > 0)
{
InternalBspFace src = q3lvl.Faces[face];
if (src.type == BspFaceType.Patch)
{
// Seems to be some crap in the Q3 level where vertex count = 0 or num control points = 0?
if ((src.vertCount == 0) || (src.meshCtrl[0] == 0))
{
continue;
}
PatchSurface ps = new PatchSurface();
// Set up control points & format.
// Reuse the vertex declaration.
// Copy control points into a buffer so we can convert their format.
BspVertex[] controlPoints = new BspVertex[src.vertCount];
TextureLightMap texLightMap;
for (int v = 0; v < src.vertCount; v++)
{
QuakeVertexToBspVertex(q3lvl.Vertices[src.vertStart + v], out controlPoints[v], out texLightMap);
}
// Define the surface, but don't build it yet (no vertex / index buffer)
ps.DefineSurface(
controlPoints,
decl,
src.meshCtrl[0],
src.meshCtrl[1]
);
// Get stats
patchVertexCount += ps.RequiredVertexCount;
patchIndexCount += ps.RequiredIndexCount;
// Save the surface for later
patches.Add(face, ps);
}
}
}
