public static ModelData ReadModelData(Stream stream)
{
EngineBinaryReader engineBinaryReader = new EngineBinaryReader(stream);
ModelData modelData = new ModelData();
modelData.Bones.Capacity = engineBinaryReader.ReadInt32();
for (int i = 0; i < modelData.Bones.Capacity; i++)
{
ModelBoneData modelBoneData = new ModelBoneData();
modelData.Bones.Add(modelBoneData);
modelBoneData.ParentBoneIndex = engineBinaryReader.ReadInt32();
modelBoneData.Name = engineBinaryReader.ReadString();
modelBoneData.Transform = engineBinaryReader.ReadMatrix();
}
modelData.Meshes.Capacity = engineBinaryReader.ReadInt32();
for (int j = 0; j < modelData.Meshes.Capacity; j++)
{
ModelMeshData modelMeshData = new ModelMeshData();
modelData.Meshes.Add(modelMeshData);
modelMeshData.ParentBoneIndex = engineBinaryReader.ReadInt32();
modelMeshData.Name = engineBinaryReader.ReadString();
modelMeshData.MeshParts.Capacity = engineBinaryReader.ReadInt32();
modelMeshData.BoundingBox = engineBinaryReader.ReadBoundingBox();
for (int k = 0; k < modelMeshData.MeshParts.Capacity; k++)
{
ModelMeshPartData modelMeshPartData = new ModelMeshPartData();
modelMeshData.MeshParts.Add(modelMeshPartData);
modelMeshPartData.BuffersDataIndex = engineBinaryReader.ReadInt32();
modelMeshPartData.StartIndex = engineBinaryReader.ReadInt32();
modelMeshPartData.IndicesCount = engineBinaryReader.ReadInt32();
modelMeshPartData.BoundingBox = engineBinaryReader.ReadBoundingBox();
}
}
modelData.Buffers.Capacity = engineBinaryReader.ReadInt32();
for (int l = 0; l < modelData.Buffers.Capacity; l++)
{
ModelBuffersData modelBuffersData = new ModelBuffersData();
modelData.Buffers.Add(modelBuffersData);
VertexElement[] array = new VertexElement[engineBinaryReader.ReadInt32()];
for (int m = 0; m < array.Length; m++)
{
array[m] = new VertexElement(engineBinaryReader.ReadInt32(), (VertexElementFormat)engineBinaryReader.ReadInt32(), engineBinaryReader.ReadString());
}
modelBuffersData.VertexDeclaration = new VertexDeclaration(array);
modelBuffersData.Vertices = engineBinaryReader.ReadBytes(engineBinaryReader.ReadInt32());
modelBuffersData.Indices = engineBinaryReader.ReadBytes(engineBinaryReader.ReadInt32());
}
return(modelData);
}
public void GenerateMeshes(BinaryReader reader)
{
// TODO
for (int i = 0; i < Submeshes.Length; ++i)
{
SubmeshDescriptor submesh = Submeshes[i];
VertexBufferDescriptor vbo = VertexBuffers[submesh.vertexBuffer];
IndexBufferDescriptor ibo = IndexBuffers[submesh.indexBuffer];
byte uvCount = GetMaxIndex(VertexElements[submesh.vertexBuffer], SemanticType.UV);
#region IBO
ModelIndice[] indices = new ModelIndice[submesh.indicesToDraw / 3];
reader.BaseStream.Position = ibo.dataStreamPointer + submesh.indexStart * 2;
List <ushort> indexTracker = new List <ushort>(submesh.verticesToDraw);
for (int j = 0; j < submesh.indicesToDraw / 3; ++j)
{
ModelIndice index = reader.Read <ModelIndice>();
int v1 = indexTracker.IndexOf(index.v1);
if (v1 == -1)
{
v1 = indexTracker.Count;
indexTracker.Add(index.v1);
}
int v2 = indexTracker.IndexOf(index.v2);
if (v2 == -1)
{
v2 = indexTracker.Count;
indexTracker.Add(index.v2);
}
int v3 = indexTracker.IndexOf(index.v3);
if (v3 == -1)
{
v3 = indexTracker.Count;
indexTracker.Add(index.v3);
}
indices[j] = new ModelIndice {
v1 = (ushort)v1, v2 = (ushort)v2, v3 = (ushort)v3
};
}
Indices[i] = indices;
#endregion
#region UV Pre.
ModelUV[][] uv = new ModelUV[uvCount][];
for (int j = 0; j < uvCount; ++j)
{
uv[j] = new ModelUV[submesh.verticesToDraw];
}
#endregion
#region VBO
ModelVertex[] vertex = new ModelVertex[submesh.verticesToDraw];
ModelBoneData[] bone = new ModelBoneData[submesh.verticesToDraw];
ModelVertex[] normal = new ModelVertex[submesh.verticesToDraw];
VertexElementDescriptor[][] elements = SplitVBE(VertexElements[submesh.vertexBuffer]);
for (int j = 0; j < Stride[submesh.vertexBuffer].Length; ++j)
{
for (int k = 0; k < submesh.verticesToDraw; ++k)
{
long offset = submesh.vertexStart + indexTracker[k];
for (int l = 0; l < elements[j].Length; ++l)
{
VertexElementDescriptor element = elements[j][l];
if (element.format == SemanticFormat.NONE)
{
break;
}
object value = Stride[submesh.vertexBuffer][j][offset][l];
switch (element.type)
{
case SemanticType.POSITION:
if (element.index == 0)
{
float[] t = (float[])value;
vertex[k] = new ModelVertex {
x = t[0], y = t[1], z = t[2]
};
}
else
{
if (unhandledSemanticTypes.Add(element.type) && System.Diagnostics.Debugger.IsAttached)
{
System.Diagnostics.Debugger.Log(2, "CHUNK_LDOMMNRM",
$"Unhandled vertex layer {element.index:X} for type {Util.GetEnumName(typeof(SemanticType), element.type)}!\n");
}
}
break;
case SemanticType.NORMAL:
if (element.index == 0)
{
float[] t = (float[])value;
normal[k] = new ModelVertex {
x = t[0], y = t[1], z = t[2]
};
}
else
{
if (unhandledSemanticTypes.Add(element.type) && System.Diagnostics.Debugger.IsAttached)
{
System.Diagnostics.Debugger.Log(2, "CHUNK_LDOMMNRM",
$"Unhandled vertex layer {element.index:X} for type {Util.GetEnumName(typeof(SemanticType), element.type)}!\n");
}
}
break;
case SemanticType.UV: {
ushort[] t = (ushort[])value;
uv[element.index][k] = new ModelUV {
u = Half.ToHalf(t[0]), v = Half.ToHalf(t[1])
};
}
break;
case SemanticType.BONE_INDEX:
if (element.index == 0)
{
byte[] t = (byte[])value;
bone[k].boneIndex = new ushort[t.Length];
for (int m = 0; m < t.Length; ++m)
{
bone[k].boneIndex[m] = (ushort)(t[m] + submesh.boneIdOffset);
}
}
else
{
if (unhandledSemanticTypes.Add(element.type) && System.Diagnostics.Debugger.IsAttached)
{
System.Diagnostics.Debugger.Log(2, "CHUNK_LDOMMNRM",
$"Unhandled vertex layer {element.index:X} for type {Util.GetEnumName(typeof(SemanticType), element.type)}!\n");
}
}
break;
case SemanticType.BONE_WEIGHT:
if (element.index == 0)
{
bone[k].boneWeight = (float[])value;
}
else
{
if (unhandledSemanticTypes.Add(element.type) && System.Diagnostics.Debugger.IsAttached)
{
System.Diagnostics.Debugger.Log(2, "CHUNK_LDOMMNRM",
$"Unhandled vertex layer {element.index:X} for type {Util.GetEnumName(typeof(SemanticType), element.type)}!\n");
}
}
break;
default:
if (unhandledSemanticTypes.Add(element.type) && System.Diagnostics.Debugger.IsAttached)
{
System.Diagnostics.Debugger.Log(2, "CHUNK_LDOMMNRM",
$"Unhandled vertex type {Util.GetEnumName(typeof(SemanticType), element.type)}!\n");
}
break;
}
}
}
}
indexTracker.Clear();
TextureCoordinates[i] = uv;
Vertices[i] = vertex;
Bones[i] = bone;
Normals[i] = normal;
#endregion
}
}
