public static ObjectMesh FromWad2(GraphicsDevice device, WadMesh msh, Func <WadTexture, VectorInt2> allocateTexture)
{
Console.WriteLine(msh.Name);
// Initialize the mesh
var mesh = new ObjectMesh(device, msh.Name);
// Prepare materials
var materialOpaque = new Material(Material.Material_Opaque + "_0_0_0_0", null, false, false, 0);
var materialOpaqueDoubleSided = new Material(Material.Material_OpaqueDoubleSided + "_0_0_1_0", null, false, true, 0);
var materialAdditiveBlending = new Material(Material.Material_AdditiveBlending + "_0_1_0_0", null, true, false, 0);
var materialAdditiveBlendingDoubleSided = new Material(Material.Material_AdditiveBlendingDoubleSided + "_0_1_1_0", null, true, true, 0);
mesh.Materials = new List <Material>();
mesh.Materials.Add(materialOpaque);
mesh.Materials.Add(materialOpaqueDoubleSided);
mesh.Materials.Add(materialAdditiveBlending);
mesh.Materials.Add(materialAdditiveBlendingDoubleSided);
mesh.Submeshes.Add(materialOpaque, new Submesh(materialOpaque));
mesh.Submeshes.Add(materialOpaqueDoubleSided, new Submesh(materialOpaqueDoubleSided));
mesh.Submeshes.Add(materialAdditiveBlending, new Submesh(materialAdditiveBlending));
mesh.Submeshes.Add(materialAdditiveBlendingDoubleSided, new Submesh(materialAdditiveBlendingDoubleSided));
mesh.BoundingBox = msh.BoundingBox;
mesh.BoundingSphere = msh.BoundingSphere;
// For some reason, wad meshes sometimes may have position count desynced from color count, so we check that too.
var hasShades = msh.VerticesShades.Count != 0 && msh.VerticesPositions.Count == msh.VerticesShades.Count;
for (int j = 0; j < msh.Polys.Count; j++)
{
WadPolygon poly = msh.Polys[j];
Vector2 positionInPackedTexture = allocateTexture((WadTexture)poly.Texture.Texture);
// Get the right submesh
var submesh = mesh.Submeshes[materialOpaque];
if (poly.Texture.BlendMode == BlendMode.Additive)
{
if (poly.Texture.DoubleSided)
{
submesh = mesh.Submeshes[materialAdditiveBlendingDoubleSided];
}
else
{
submesh = mesh.Submeshes[materialAdditiveBlending];
}
}
else
{
if (poly.Texture.DoubleSided)
{
submesh = mesh.Submeshes[materialOpaqueDoubleSided];
}
}
// Do half-pixel correction on texture to prevent bleeding
var coords = poly.Texture.TexCoords;
var shape = (int)TextureExtensions.GetTextureShapeType(poly.Texture.TexCoords, poly.Shape == WadPolygonShape.Triangle);
for (int i = 0; i < (poly.Shape == WadPolygonShape.Triangle /*poly.Texture.TextureIsTriangle*/ ? 3 : 4); i++)
{
if (poly.Shape == WadPolygonShape.Triangle /*poly.Texture.TextureIsTriangle*/)
{
coords[i] += TextureExtensions.CompensationTris[shape, i];
}
else
{
coords[i] += TextureExtensions.CompensationQuads[shape, i];
}
}
if (poly.Shape == WadPolygonShape.Triangle)
{
int v1 = poly.Index0;
int v2 = poly.Index1;
int v3 = poly.Index2;
PutObjectVertexAndIndex(msh.VerticesPositions[v1], msh.VerticesNormals[v1], mesh, submesh,
coords[0], 0, (short)(hasShades ? msh.VerticesShades[v1] : 0),
positionInPackedTexture);
PutObjectVertexAndIndex(msh.VerticesPositions[v2], msh.VerticesNormals[v2], mesh, submesh,
coords[1], 0, (short)(hasShades ? msh.VerticesShades[v2] : 0),
positionInPackedTexture);
PutObjectVertexAndIndex(msh.VerticesPositions[v3], msh.VerticesNormals[v3], mesh, submesh,
coords[2], 0, (short)(hasShades ? msh.VerticesShades[v3] : 0),
positionInPackedTexture);
}
else
{
int v1 = poly.Index0;
int v2 = poly.Index1;
int v3 = poly.Index2;
int v4 = poly.Index3;
PutObjectVertexAndIndex(msh.VerticesPositions[v1], msh.VerticesNormals[v1], mesh, submesh,
coords[0], 0, (short)(hasShades ? msh.VerticesShades[v1] : 0),
positionInPackedTexture);
PutObjectVertexAndIndex(msh.VerticesPositions[v2], msh.VerticesNormals[v2], mesh, submesh,
coords[1], 0, (short)(hasShades ? msh.VerticesShades[v2] : 0),
positionInPackedTexture);
PutObjectVertexAndIndex(msh.VerticesPositions[v4], msh.VerticesNormals[v4], mesh, submesh,
coords[3], 0, (short)(hasShades ? msh.VerticesShades[v4] : 0),
positionInPackedTexture);
PutObjectVertexAndIndex(msh.VerticesPositions[v4], msh.VerticesNormals[v4], mesh, submesh,
coords[3], 0, (short)(hasShades ? msh.VerticesShades[v4] : 0),
positionInPackedTexture);
PutObjectVertexAndIndex(msh.VerticesPositions[v2], msh.VerticesNormals[v2], mesh, submesh,
coords[1], 0, (short)(hasShades ? msh.VerticesShades[v2] : 0),
positionInPackedTexture);
PutObjectVertexAndIndex(msh.VerticesPositions[v3], msh.VerticesNormals[v3], mesh, submesh,
coords[2], 0, (short)(hasShades ? msh.VerticesShades[v3] : 0),
positionInPackedTexture);
}
}
mesh.UpdateBuffers();
return(mesh);
}