public IBlockSection ReadBlock(FileReader reader)
{
string sectionMagic = reader.ReadString(4, Encoding.ASCII);
uint sectionSize = reader.ReadUInt32();
long pos = reader.Position;
IBlockSection block = null;
switch (sectionMagic)
{
case "MDLF": //Model
block = new ModelBlock(); break;
case "OBJO": //Object block
block = new ObjectBlock(); break;
case "MESH": //Mesh
block = new MeshBlock(); break;
case "SKIN": //Mesh skinning
block = new SkinningBlock(); break;
case "ENVS": //Skinning Envelope section
block = new EnvelopeBlock(); break;
case "STRB": //String Table
block = new StringTable(); break;
case "TEXS": //Texture section
block = new TextureBlock(); break;
case "NAME": //Name
block = new NameBlock(); break;
case "TEXO": //Texture block to map palettes to images by name
block = new TextureMapperBlock(); break;
case "IMGO": //Image block
block = new ImageBlock(); break;
case "PLTO": //Palette block
block = new PaletteDataBlock(); break;
case "ANMF": //Animation block
block = new AnimationBlock(); break;
default:
Console.WriteLine($"Unknown section! {sectionMagic}");
break;
}
if (block != null)
{
block.Read(this, reader);
}
//Keep track of the model sub sections like textures
if (sectionMagic != "MDLF")
{
reader.SeekBegin(pos + sectionSize);
}
return(block);
}
private STGenericMesh LoadMesh(ModelBlock mdl, ObjectBlock obj, MeshBlock mesh)
{
STGenericMesh genericMesh = new STGenericMesh();
genericMesh.Name = obj.Name;
var transform = obj.GetTransform();
var meshInfo = obj.MeshData;
var ctx = NitroGX.ReadCmds(meshInfo.Data);
for (int i = 0; i < ctx.vertices.Count; i++)
{
STVertex vertex = new STVertex();
vertex.Position = ctx.vertices[i].Position;
vertex.Normal = ctx.vertices[i].Normal;
vertex.TexCoords = new Vector2[1]
{
ctx.vertices[i].TexCoord
};
vertex.Colors = new Vector4[1]
{
new Vector4(ctx.vertices[i].Color / 255f,
ctx.vertices[i].Alpha / 255f)
};
vertex.Position = Vector3.TransformPosition(vertex.Position, transform);
genericMesh.Vertices.Add(vertex);
}
uint[] faces = new uint[ctx.indices.Count];
for (int i = 0; i < ctx.indices.Count; i++)
{
faces[i] = ctx.indices[i];
}
foreach (var poly in mesh.PolyGroups)
{
var material = mdl.Materials[poly.MaterialIndex];
/* uint[] polyFaces = new uint[poly.FaceCount];
* for (int i = 0; i < poly.FaceCount; i++) {
* polyFaces[i] = ctx.indices[poly.FaceStart + i];
* }*/
STGenericMaterial genericMaterial = new STGenericMaterial();
genericMaterial.Name = material.Name;
if (material.MaterialBlock.AttributeIndex != -1)
{
var attribute = mdl.Attributes[material.MaterialBlock.AttributeIndex];
genericMaterial.TextureMaps.Add(new STGenericTextureMap()
{
Name = attribute.TextureName,
Type = STTextureType.Diffuse,
});
}
genericMesh.PolygonGroups.Add(new STPolygonGroup()
{
PrimitiveType = STPrimitiveType.Triangles,
Material = genericMaterial,
Faces = faces.ToList(),
});
break;
}
return(genericMesh);
}
