private static WadMesh LoadMesh(ChunkReader chunkIO, long chunkSize, Dictionary <long, WadTexture> textures)
{
var mesh = new WadMesh();
long obsoleteIndex = 0;
chunkIO.ReadChunks((id2, chunkSize2) =>
{
if (id2 == Wad2Chunks.MeshIndex)
{
obsoleteIndex = chunkIO.ReadChunkLong(chunkSize2);
}
else if (id2 == Wad2Chunks.MeshName)
{
mesh.Name = chunkIO.ReadChunkString(chunkSize2);
}
else if (id2 == Wad2Chunks.MeshSphere)
{
// Read bounding sphere
float radius = 0;
Vector3 center = Vector3.Zero;
chunkIO.ReadChunks((id3, chunkSize3) =>
{
if (id3 == Wad2Chunks.MeshSphereCenter)
{
center = chunkIO.ReadChunkVector3(chunkSize3);
}
else if (id3 == Wad2Chunks.MeshSphereRadius)
{
radius = chunkIO.ReadChunkFloat(chunkSize3);
}
else
{
return(false);
}
return(true);
});
mesh.BoundingSphere = new BoundingSphere(center, radius);
}
else if (id2 == Wad2Chunks.MeshBoundingBox)
{
// Read bounding box
Vector3 min = Vector3.Zero;
Vector3 max = Vector3.Zero;
chunkIO.ReadChunks((id3, chunkSize3) =>
{
if (id3 == Wad2Chunks.MeshBoundingBoxMin)
{
min = chunkIO.ReadChunkVector3(chunkSize3);
}
else if (id3 == Wad2Chunks.MeshBoundingBoxMax)
{
max = chunkIO.ReadChunkVector3(chunkSize3);
}
else
{
return(false);
}
return(true);
});
mesh.BoundingBox = new BoundingBox(min, max);
}
else if (id2 == Wad2Chunks.MeshVertexPositions)
{
chunkIO.ReadChunks((id3, chunkSize3) =>
{
if (id3 == Wad2Chunks.MeshVertexPosition)
{
mesh.VerticesPositions.Add(chunkIO.ReadChunkVector3(chunkSize3));
}
else
{
return(false);
}
return(true);
});
}
else if (id2 == Wad2Chunks.MeshVertexNormals)
{
chunkIO.ReadChunks((id3, chunkSize3) =>
{
if (id3 == Wad2Chunks.MeshVertexNormal)
{
mesh.VerticesNormals.Add(chunkIO.ReadChunkVector3(chunkSize3));
}
else
{
return(false);
}
return(true);
});
}
else if (id2 == Wad2Chunks.MeshVertexShades)
{
chunkIO.ReadChunks((id3, chunkSize3) =>
{
if (id3 == Wad2Chunks.MeshVertexShade)
{
mesh.VerticesShades.Add(chunkIO.ReadChunkShort(chunkSize3));
}
else
{
return(false);
}
return(true);
});
}
else if (id2 == Wad2Chunks.MeshPolygons)
{
chunkIO.ReadChunks((id3, chunkSize3) =>
{
if (id3 == Wad2Chunks.MeshQuad ||
id3 == Wad2Chunks.MeshTriangle)
{
var polygon = new WadPolygon();
polygon.Shape = id3 == Wad2Chunks.MeshQuad ? WadPolygonShape.Quad : WadPolygonShape.Triangle;
polygon.Index0 = LEB128.ReadInt(chunkIO.Raw);
polygon.Index1 = LEB128.ReadInt(chunkIO.Raw);
polygon.Index2 = LEB128.ReadInt(chunkIO.Raw);
if (id3 == Wad2Chunks.MeshQuad)
{
polygon.Index3 = LEB128.ReadInt(chunkIO.Raw);
}
polygon.ShineStrength = LEB128.ReadByte(chunkIO.Raw);
TextureArea textureArea = new TextureArea();
textureArea.Texture = textures[LEB128.ReadInt(chunkIO.Raw)];
textureArea.TexCoord0 = chunkIO.Raw.ReadVector2();
textureArea.TexCoord1 = chunkIO.Raw.ReadVector2();
textureArea.TexCoord2 = chunkIO.Raw.ReadVector2();
if (id3 == Wad2Chunks.MeshQuad)
{
textureArea.TexCoord3 = chunkIO.Raw.ReadVector2();
}
else
{
textureArea.TexCoord3 = textureArea.TexCoord2;
}
textureArea.BlendMode = (BlendMode)LEB128.ReadLong(chunkIO.Raw);
textureArea.DoubleSided = chunkIO.Raw.ReadBoolean();
polygon.Texture = textureArea;
chunkIO.ReadChunks((id4, chunkSize4) =>
{
return(false);
});
mesh.Polys.Add(polygon);
}
else
{
return(false);
}
return(true);
});
}
else
{
return(false);
}
return(true);
});
return(mesh);
}