public Mesh(string name, LmGeometry gmdlGeometry)
{
this.Name = name;
this.GmdlGeometry = gmdlGeometry;
}
public static Mesh Convert(LmMsgPck msg)
{
var name = msg.ReadString();
var u0 = msg.ReadByte();
var boneIdTable = LmBoneIdTable.Unpack(msg);
var vertexLayoutType = (VertexLayoutType)msg.ReadInt();
var geometry = LmGeometry.Unpack(msg);
var mesh = new Mesh(name, geometry);
mesh.Setup(geometry);
// TODO get Material
var defaultMaterialHash = msg.ReadUint64();
var gmdlMeshData = new GmdlMeshData();
mesh.GmdlMeshData = gmdlMeshData;
if (msg.Version >= 20140623)
{
gmdlMeshData.DrawPriorityOffset = msg.ReadInt();
if (msg.ReadBool())
{
gmdlMeshData.Flags |= 1;
}
if (msg.ReadBool())
{
gmdlMeshData.Flags |= 2;
}
gmdlMeshData.LodNear = msg.ReadFloat();
gmdlMeshData.LodFar = msg.ReadFloat();
gmdlMeshData.LodFade = msg.ReadFloat();
if (gmdlMeshData.LodNear < gmdlMeshData.LodFar && (gmdlMeshData.LodNear > 0.0 || gmdlMeshData.LodFar < 3.4028235e38))
{
gmdlMeshData.Flags |= 4u;
}
if (gmdlMeshData.LodFade > 0.0)
{
gmdlMeshData.Flags |= 0x100u;
}
}
if (msg.Version >= 20140814)
{
msg.ReadBool();
}
if (msg.Version >= 20141112 && msg.ReadBool())
{
gmdlMeshData.Flags |= 0x10u;
}
if (msg.Version >= 20140815)
{
gmdlMeshData.PartsId = msg.ReadUint();
}
if (msg.Version >= 20141115)
{
var gmdlMeshPartsDataCount = msg.ReadInt();
for (var _ = 0; _ < gmdlMeshPartsDataCount; _++)
{
var gmdlMeshPartData = GmdlMeshPartsData.Unpack(msg);
gmdlMeshData.GmdlMeshPartsDatas.Add(gmdlMeshPartData);
}
}
if (msg.Version >= 20150413 && msg.ReadBool())
{
gmdlMeshData.Flags |= 0x20u;
}
if (msg.Version >= 20150430)
{
var flag = msg.ReadUint();
if (msg.Version < 20151217)
{
gmdlMeshData.Flags |= 0x200u;
if (boneIdTable.BoneIds.Count == 0)
{
gmdlMeshData.Flags |= 0x400u;
}
}
gmdlMeshData.Flags |= flag;
}
if (msg.Version >= 20150512 && msg.ReadBool())
{
gmdlMeshData.Flags |= 0x80u;
}
if (msg.Version < 20160420)
{
gmdlMeshData.BreakableBoneIndex = 0xFFFFFFFF;
gmdlMeshData.LowLodShadowCascadeNo = 2;
}
else
{
gmdlMeshData.BreakableBoneIndex = msg.ReadUint();
gmdlMeshData.LowLodShadowCascadeNo = (sbyte)msg.ReadUint();
}
gmdlMeshData.VertexLayoutType = vertexLayoutType;
if ((gmdlMeshData.Flags & 0x80000) != 0)
{
var unk0 = msg.ReadBool();
var unk1 = msg.ReadUint();
var unk2 = msg.ReadUint();
}
// TODO SetupMeshLod
return(mesh);
}
private void Setup(LmGeometry geometry)
{
// Create index buffer
var indexBufferDescription = new IndexBufferDesc(geometry.IdxBufferSize, geometry.IdxType);
this.IndexBuffer = new IndexBuffer(geometry.IdxBuffer, indexBufferDescription);
// Create vertex buffers
this.VertexCount = geometry.VtxNum;
this.TotalTriangleCount = geometry.IdxNum / 3;
this.TriangleCount = this.VertexCount;
var meshVertexDeclaration = new MeshVertexDeclaration();
var readFunctions = MakeReadFunctions();
for (byte i = 0; i < geometry.VtxStreamGroupDesc.VtxStreamDescs.Count; i++)
{
var vtxStreamDesc = geometry.VtxStreamGroupDesc.VtxStreamDescs[i];
var structuredVBDesc = vtxStreamDesc.StructuredVBDesc;
var vtxBufferDesc = new VertexBufferDesc(structuredVBDesc.Stride * this.VertexCount);
// Ugly hack
var vtxBuffer = new VertexBuffer(null, vtxBufferDesc); // new VertexBuffer(new ArraySegment<byte>(geometry.VtxBuffer, (int)structuredVBDesc.StartOffset, (int)vtxBufferDesc.Size), vtxBufferDesc);
this.VertexBuffers.Add(vtxBuffer);
if (i >= 8)
{
DefaultPrintFunction.Write("i<EBONY_COUNTOF(this->bufferStrides)");
}
// Add vertex elements
foreach (var vtxElementDesc in structuredVBDesc.VtxElementDescs)
{
var usage = LmVertexElementDesc.GetUsageFromSemantic(vtxElementDesc.Semantic);
var size = LmVertexElementDesc.FormatToVertexComponentCount(vtxElementDesc.Format);
var type = LmVertexElementDesc.FormatToVertexType(vtxElementDesc.Format);
var vertexElement = new VertexElement(i, type, usage, 0, (ushort)vtxElementDesc.Offset, (ushort)size, vtxElementDesc.Semantic, 0);
meshVertexDeclaration.AddVertexElement(vertexElement, vtxBuffer);
}
// Parse vertex buffer
//var vertexElementArrays = new Dictionary<string, IList>();
foreach (var vtxElementDesc in structuredVBDesc.VtxElementDescs)
{
var values = CreateVertexElementArray(vtxElementDesc.Format);
VertexElementArrays.Add(vtxElementDesc.Semantic, values);
}
var vertexBufferPosition = (int)structuredVBDesc.StartOffset;
for (var j = 0; j < vtxBufferDesc.Size / structuredVBDesc.Stride; j++)
{
foreach (var vtxElementDesc in structuredVBDesc.VtxElementDescs)
{
var readFunction = readFunctions[vtxElementDesc.Format];
var size = LmVertexElementDesc.FormatToVertexComponentCount(vtxElementDesc.Format);
for (var _ = 0; _ < size; _++)
{
var value = readFunction(geometry.VtxBuffer, vertexBufferPosition, out int componentSize);
VertexElementArrays[vtxElementDesc.Semantic].Add(value);
vertexBufferPosition += componentSize;
}
}
}
this.MainStreamSet = meshVertexDeclaration;
this.BoneInstanceCount = geometry.InstanceNum;
if (this.BoneInstanceCount != 0)
{
// TODO instance buffer
}
}
}
