private void LoadGmdFile(GmdFile gmdFile)
{
Name = gmdFile.Name;
Textures = gmdFile.Textures.Select(tex => tex.Name).ToArray();
Materials = gmdFile.Materials.Select(mat =>
{
return(new Material
{
Id = mat.Id,
Shader = gmdFile.Shaders[mat.ShaderIndex].ToString(),
Textures = mat.TextureIndices.Select(texIdx =>
{
if (texIdx >= 0 && texIdx < Textures.Length)
{
return Textures[texIdx];
}
return null;
}).ToArray()
});
}).ToArray();
var bones = new Bone[gmdFile.BoneTransforms.Length];
foreach (var bt in gmdFile.BoneTransforms)
{
if (GmdUtils.GetParentBone(bt, gmdFile.BoneTransforms) == null)
{
LoadBone(bt, null, gmdFile, bones);
}
}
Bones = bones.ToArray();
var nameList = new List <string>();
var meshes = new List <Mesh>();
foreach (var gmdMesh in gmdFile.Meshes)
{
var mesh = new Mesh();
meshes.Add(mesh);
// Console.WriteLine($"------------");
foreach (var gmdSub in gmdFile.Submeshes.Where(s => s.MeshIndex == gmdMesh.MeshId))
{
var submesh = new Submesh();
mesh.Submeshes.Add(submesh);
submesh.Id = gmdSub.Id;
submesh.Name = GetSubmeshName(Bones[gmdSub.BoneNo].Name, nameList);
submesh.Transform = Bones[gmdSub.BoneNo].WorldMatrix;
submesh.Material = Materials[gmdSub.MaterialIndex];
submesh.Vertices = ReadVertices(gmdSub, gmdMesh, gmdFile);
submesh.Triangles = new int[gmdSub.IndicesCount / 3, 3];
// Console.WriteLine(submesh.Name.PadRight(25, ' ')
// + submesh.Material.Shader.PadRight(25, ' ')
// + $"{gmdMesh.HasFlag1} {gmdMesh.HasFlag2} {gmdMesh.HasFlag3}");
var offset = gmdSub.IndicesOffset;
for (int i = 0; i < gmdSub.IndicesCount / 3; i++)
{
submesh.Triangles[i, 0] = gmdFile.Indices[offset + i * 3].Value - gmdSub.BufferOffset2;
submesh.Triangles[i, 1] = gmdFile.Indices[offset + i * 3 + 1].Value - gmdSub.BufferOffset2;
submesh.Triangles[i, 2] = gmdFile.Indices[offset + i * 3 + 2].Value - gmdSub.BufferOffset2;
}
}
}
Meshes = meshes.ToArray();
}
private int WriteVertices(BinaryWriter writer, Submesh submesh, int flagCount, List <int> boneIndices)
{
var startPosition = writer.BaseStream.Position;
foreach (var v in submesh.Vertices)
{
GmdUtils.WriteVector3(v.Position, writer);
if (v.BoneIndices != null)
{
writer.Write((byte)(v.BoneWeights[0] * 255));
writer.Write((byte)(v.BoneWeights[1] * 255));
writer.Write((byte)(v.BoneWeights[2] * 255));
writer.Write((byte)(v.BoneWeights[3] * 255));
writer.Write((byte)(boneIndices.IndexOf(v.BoneIndices[0])));
writer.Write((byte)(boneIndices.IndexOf(v.BoneIndices[1])));
writer.Write((byte)(boneIndices.IndexOf(v.BoneIndices[2])));
writer.Write((byte)(boneIndices.IndexOf(v.BoneIndices[3])));
}
GmdUtils.WriteNormal(v.Normal, writer);
writer.Write((byte)0);
for (int i = 0; i < flagCount; i++)
{
writer.Write((byte)255);
writer.Write((byte)255);
writer.Write((byte)255);
writer.Write((byte)255);
}
// writer.Write(100);
// writer.Write((byte)0);
// if ((mesh.Format >> 12 & 7L) == 7L)
// {
// writer.Write(0);
// }
//
// if ((mesh.Format >> 21 & 7L) == 7L)
// {
// writer.Write(0);
// }
//
// if ((mesh.Format >> 24 & 7L) == 7L)
// {
// writer.Write(0);
// }
writer.Write(Half.GetBits(new Half(v.Uv0.X)));
writer.Write(Half.GetBits(new Half(1 - v.Uv0.Y)));
if (v.Uv1.HasValue)
{
writer.Write(Half.GetBits(new Half(v.Uv1.Value.X)));
writer.Write(Half.GetBits(new Half(1 - v.Uv1.Value.Y)));
}
if (v.Uv2.HasValue)
{
writer.Write(Half.GetBits(new Half(v.Uv2.Value.X)));
writer.Write(Half.GetBits(new Half(1 - v.Uv2.Value.Y)));
}
if (v.Uv3.HasValue)
{
writer.Write(Half.GetBits(new Half(v.Uv3.Value.X)));
writer.Write(Half.GetBits(new Half(1 - v.Uv3.Value.Y)));
}
}
var endPosition = writer.BaseStream.Position;
// Stride
return((int)((endPosition - startPosition) / submesh.Vertices.Length));
}
