private void BuildBillboardFace(BspGeometry res, face_t face)
{
}
private BspGeometryVertex BuildVertex(int p, face_t face)
{
BspGeometryVertex v = new BspGeometryVertex();
var src = vertices[p];
v.Position = src.vPosition;
v.Normal = src.vNormal;
v.UV0 = src.vTextureCoord;
v.UV1 = src.vLightmapCoord;
if (0 != (texInfo[face.texinfo_id].flags & texture_t.SURF_SKY))
{
v.UV0 = Vector2.g_Zero;
v.UV1 = Vector2.g_Zero;
}
v.Color = Color.FromArgb(src.color[3], src.color[0], src.color[1], src.color[2]);
return v;
}
private void BuildPathFace(BspGeometry res, face_t face)
{
var texture = (face.texinfo_id>=0)?textures[face.texinfo_id]:null;
BspTexture lightMap = (face.lightmapID>=0)?lightmaps[face.lightmapID]:null;
var width = face.sizeX;
var height = face.sizeY;
if (width * height != face.numOfVerts)
throw new ApplicationException("wrong patch point count");
for (int i = 0; i < width - 1; i += 1)
{
for (int j = 0; j < height - 1; j += 1)
{
var vert0 = BuildVertex((int)(face.vertexIndex + (i) + (j) * width), face);
var vert1 = BuildVertex((int)(face.vertexIndex + (i + 1) + (j) * width), face);
var vert2 = BuildVertex((int)(face.vertexIndex + (i + 1) + (j + 1) * width), face);
var geoFace = new BspGeometryFace() { Vertex0 = vert2, Vertex1 = vert1, Vertex2 = vert0, Texture = texture, Lightmap = lightMap };
res.Faces.Add(geoFace);
vert0 = BuildVertex((int)(face.vertexIndex + (i) + (j) * width), face);
vert1 = BuildVertex((int)(face.vertexIndex + (i + 1) + (j+1) * width), face);
vert2 = BuildVertex((int)(face.vertexIndex + (i) + (j + 1) * width), face);
geoFace = new BspGeometryFace() { Vertex0 = vert2, Vertex1 = vert1, Vertex2 = vert0, Texture = texture, Lightmap = lightMap };
res.Faces.Add(geoFace);
}
}
}
private void BuildPolygonFace(BspGeometry res, face_t face)
{
var texture = (face.texinfo_id >= 0) ? textures[face.texinfo_id] : null;
BspTexture lightMap = (face.lightmapID >= 0) ? lightmaps[face.lightmapID] : null;
for (uint j = 0; j + 2 < face.numMeshVerts; j+=3)
{
var vert0 = BuildVertex((int)(face.vertexIndex+listOfVertices[face.meshVertIndex+j]), face);
var vert1 = BuildVertex((int)(face.vertexIndex + listOfVertices[face.meshVertIndex + j+1]), face);
var vert2 = BuildVertex((int)(face.vertexIndex + listOfVertices[face.meshVertIndex + j + 2]), face);
var geoFace = new BspGeometryFace() { Vertex0 = vert0, Vertex1 = vert1, Vertex2 = vert2, Texture = texture, Lightmap = lightMap };
res.Faces.Add(geoFace);
}
}
private void BuildMeshFace(BspGeometry res, face_t face)
{
BuildPolygonFace(res, face);
}