/// <summary>
/// Read mesh chunk and buffer infos.
/// </summary>
public void LoadData(CR2WFile meshFile)
{
// IMPLEMENTED FROM jlouis' witcherconverter
// http://jlouisb.users.sourceforge.net/
// https://bitbucket.org/jlouis/witcherconverter
SBufferInfos bufferInfos = new SBufferInfos();
// *************** READ CHUNK INFOS ***************
foreach (var chunk in meshFile.chunks)
{
if (chunk.Type == "CMesh")
{
List <SVertexBufferInfos> vertexBufferInfos = new List <SVertexBufferInfos>();
var cookedDatas = chunk.GetVariableByName("cookedData") as CVector;
foreach (var cookedData in cookedDatas.variables)
{
switch (cookedData.Name)
{
case "renderChunks":
{
var bytes = ((CByteArray)cookedData).Bytes;
using (MemoryStream ms = new MemoryStream(bytes))
using (BinaryReader br = new BinaryReader(ms))
{
var nbBuffers = br.ReadByte();
for (uint i = 0; i < nbBuffers; i++)
{
SVertexBufferInfos buffInfo = new SVertexBufferInfos();
br.BaseStream.Position += 1; // Unknown
buffInfo.verticesCoordsOffset = br.ReadUInt32();
buffInfo.uvOffset = br.ReadUInt32();
buffInfo.normalsOffset = br.ReadUInt32();
br.BaseStream.Position += 9; // Unknown
buffInfo.indicesOffset = br.ReadUInt32();
br.BaseStream.Position += 1; // 0x1D
buffInfo.nbVertices = br.ReadUInt16();
buffInfo.nbIndices = br.ReadUInt32();
br.BaseStream.Position += 3; // Unknown
buffInfo.lod = br.ReadByte(); // lod ?
vertexBufferInfos.Add(buffInfo);
}
}
break;
}
case "indexBufferOffset":
{
bufferInfos.indexBufferOffset = uint.Parse(cookedData.ToString());
break;
}
case "indexBufferSize":
{
bufferInfos.indexBufferSize = uint.Parse(cookedData.ToString());
break;
}
case "vertexBufferOffset":
{
bufferInfos.vertexBufferOffset = uint.Parse(cookedData.ToString());
break;
}
case "vertexBufferSize":
{
bufferInfos.vertexBufferSize = uint.Parse(cookedData.ToString());
break;
}
case "quantizationOffset":
{
bufferInfos.quantizationOffset.X = float.Parse((cookedData as CVector).variables[0].ToString());
bufferInfos.quantizationOffset.Y = float.Parse((cookedData as CVector).variables[1].ToString());
bufferInfos.quantizationOffset.Z = float.Parse((cookedData as CVector).variables[2].ToString());
break;
}
case "quantizationScale":
{
bufferInfos.quantizationScale.X = float.Parse((cookedData as CVector).variables[0].ToString());
bufferInfos.quantizationScale.Y = float.Parse((cookedData as CVector).variables[1].ToString());
bufferInfos.quantizationScale.Z = float.Parse((cookedData as CVector).variables[2].ToString());
break;
}
case "bonePositions":
{
foreach (CVector item in cookedData as CArray)
{
if (item.variables.Count == 4)
{
Vector3Df pos = new Vector3Df();
pos.X = (item.variables[0] as CFloat).val;
pos.Y = (item.variables[1] as CFloat).val;
pos.Z = (item.variables[2] as CFloat).val;
bonePositions.Add(pos);
}
}
break;
}
}
}
bufferInfos.verticesBuffer = vertexBufferInfos;
var meshChunks = chunk.GetVariableByName("chunks") as CArray;
foreach (var meshChunk in meshChunks.array)
{
SMeshInfos meshInfo = new SMeshInfos();
foreach (var meshinfo in (meshChunk as CVector).variables)
{
switch (meshinfo.Name)
{
case "numVertices":
{
meshInfo.numVertices = uint.Parse(meshinfo.ToString());
break;
}
case "numIndices":
{
meshInfo.numIndices = uint.Parse(meshinfo.ToString());
break;
}
case "numBonesPerVertex":
{
meshInfo.numBonesPerVertex = uint.Parse(meshinfo.ToString());
break;
}
case "firstVertex":
{
meshInfo.firstVertex = uint.Parse(meshinfo.ToString());
break;
}
case "firstIndex":
{
meshInfo.firstIndex = uint.Parse(meshinfo.ToString());
break;
}
case "vertexType":
{
if ((meshinfo as CName).Value == "MVT_StaticMesh")
{
meshInfo.vertexType = SMeshInfos.EMeshVertexType.EMVT_STATIC;
}
else if ((meshinfo as CName).Value == "MVT_SkinnedMesh")
{
meshInfo.vertexType = SMeshInfos.EMeshVertexType.EMVT_SKINNED;
}
break;
}
case "materialID":
{
meshInfo.materialID = uint.Parse(meshinfo.ToString());
break;
}
}
}
CData.meshInfos.Add(meshInfo);
}
// TODO: Create a more reliable solution
var unknownBytes = chunk.unknownBytes.Bytes;
using (var ms = new MemoryStream(unknownBytes))
using (var br = new BinaryReader(ms))
{
long prevPos = 0;
bool correctPos = false;
do
{
prevPos = br.BaseStream.Position;
CData.boneData.nbBones = (uint)br.ReadBit6();
if (CData.boneData.nbBones == bonePositions.Count)
{
var backPos = br.BaseStream.Position;
correctPos = true;
for (int i = 0; i < CData.boneData.nbBones; i++)
{
var stringIdx = br.ReadUInt16();
if (stringIdx == 0 || stringIdx >= meshFile.names.Count)
{
CData.boneData.nbBones = 0;
correctPos = false;
break;
}
}
br.BaseStream.Position = backPos;
}
} while (CData.boneData.nbBones != bonePositions.Count && br.BaseStream.Position < unknownBytes.Length && !correctPos);
if (br.BaseStream.Position < unknownBytes.Length)
{
br.BaseStream.Position = prevPos;
CData.boneData.nbBones = (uint)br.ReadBit6();
for (uint i = 0; i < CData.boneData.nbBones; i++)
{
var stringIdx = br.ReadUInt16();
CData.boneData.jointNames.Add(meshFile.names[stringIdx].str);
}
br.ReadBit6();
for (uint i = 0; i < CData.boneData.nbBones; i++)
{
Matrix matrix = new Matrix();
for (int j = 0; j < 16; j++)
{
var value = br.ReadSingle();
matrix.SetElement(j, value);
}
CData.boneData.boneMatrices.Add(matrix);
}
}
}
}
else if (chunk.Type == "CMaterialInstance")
{
CData.materialInstances.Add(chunk.data as CMaterialInstance);
}
}
// *************** READ MESH BUFFER INFOS ***************
foreach (var meshInfo in CData.meshInfos)
{
SVertexBufferInfos vBufferInf = new SVertexBufferInfos();
uint nbVertices = 0;
uint firstVertexOffset = 0;
uint nbIndices = 0;
uint firstIndiceOffset = 0;
for (int i = 0; i < bufferInfos.verticesBuffer.Count; i++)
{
nbVertices += bufferInfos.verticesBuffer[i].nbVertices;
if (nbVertices > meshInfo.firstVertex)
{
vBufferInf = bufferInfos.verticesBuffer[i];
// the index of the first vertex in the buffer
firstVertexOffset = meshInfo.firstVertex - (nbVertices - vBufferInf.nbVertices);
break;
}
}
for (int i = 0; i < bufferInfos.verticesBuffer.Count; i++)
{
nbIndices += bufferInfos.verticesBuffer[i].nbIndices;
if (nbIndices > meshInfo.firstIndex)
{
vBufferInf = bufferInfos.verticesBuffer[i];
firstIndiceOffset = meshInfo.firstIndex - (nbIndices - vBufferInf.nbIndices);
break;
}
}
// Load only best LOD
if (vBufferInf.lod == 1)
{
using (BinaryReader br = new BinaryReader(File.Open(meshFile.FileName + ".1.buffer", FileMode.Open)))
{
uint vertexSize = 8;
if (meshInfo.vertexType == SMeshInfos.EMeshVertexType.EMVT_SKINNED)
{
vertexSize += meshInfo.numBonesPerVertex * 2;
}
br.BaseStream.Seek(vBufferInf.verticesCoordsOffset + firstVertexOffset * vertexSize, SeekOrigin.Begin);
List <Vertex3D> vertex3DCoords = new List <Vertex3D>();
Color defaultColor = new Color(255, 255, 255, 255);
for (uint i = 0; i < meshInfo.numVertices; i++)
{
ushort x = br.ReadUInt16();
ushort y = br.ReadUInt16();
ushort z = br.ReadUInt16();
ushort w = br.ReadUInt16();
if (meshInfo.vertexType == SMeshInfos.EMeshVertexType.EMVT_SKINNED)
{
//sr.BaseStream.Seek(meshInfo.numBonesPerVertex * 2, SeekOrigin.Current);
byte[] skinningData = new byte[meshInfo.numBonesPerVertex * 2];
br.BaseStream.Read(skinningData, 0, (int)meshInfo.numBonesPerVertex * 2);
for (uint j = 0; j < meshInfo.numBonesPerVertex; ++j)
{
uint boneId = skinningData[j];
uint weight = skinningData[j + meshInfo.numBonesPerVertex];
float fweight = weight / 255.0f;
if (weight != 0)
{
var vertexSkinningEntry = new W3_DataCache.VertexSkinningEntry();
vertexSkinningEntry.boneId = boneId;
vertexSkinningEntry.meshBufferId = 0;
vertexSkinningEntry.vertexId = i;
vertexSkinningEntry.strength = fweight;
CData.w3_DataCache.vertices.Add(vertexSkinningEntry);
}
}
}
Vertex3D vertex3DCoord = new Vertex3D();
vertex3DCoord.Position = new Vector3Df(x, y, z) / 65535f * bufferInfos.quantizationScale + bufferInfos.quantizationOffset;
vertex3DCoord.Color = defaultColor;
vertex3DCoords.Add(vertex3DCoord);
}
br.BaseStream.Seek(vBufferInf.uvOffset + firstVertexOffset * 4, SeekOrigin.Begin);
for (int i = 0; i < meshInfo.numVertices; i++)
{
float uf = br.ReadHalfFloat();
float vf = br.ReadHalfFloat();
Vertex3D vertex3DCoord = vertex3DCoords[i];
vertex3DCoord.TCoords = new Vector2Df(uf, vf);
vertex3DCoords[i] = vertex3DCoord;
}
// Indices -------------------------------------------------------------------
br.BaseStream.Seek(bufferInfos.indexBufferOffset + vBufferInf.indicesOffset + firstIndiceOffset * 2, SeekOrigin.Begin);
List <ushort> indices = new List <ushort>();
for (int i = 0; i < meshInfo.numIndices; i++)
{
indices.Add(0);
}
for (int i = 0; i < meshInfo.numIndices; i++)
{
ushort index = br.ReadUInt16();
// Indice need to be inversed for the normals
if (i % 3 == 0)
{
indices[i] = index;
}
else if (i % 3 == 1)
{
indices[i + 1] = index;
}
else if (i % 3 == 2)
{
indices[i - 1] = index;
}
}
MeshBuffer meshBuff = MeshBuffer.Create(VertexType.Standard, IndexType._16Bit);
CData.staticMesh.AddMeshBuffer(meshBuff);
meshBuff.Append(vertex3DCoords, indices);
meshBuff.RecalculateBoundingBox();
meshBuff.Drop();
}
}
}
}
/// <summary>
/// Read mesh chunk and buffer infos.
/// </summary>
public void LoadData(CR2WFile meshFile)
{
// IMPLEMENTED FROM jlouis' witcherconverter
// http://jlouisb.users.sourceforge.net/
// https://bitbucket.org/jlouis/witcherconverter
SBufferInfos bufferInfos = new SBufferInfos();
// *************** READ CHUNK INFOS ***************
foreach (var chunk in meshFile.Chunks)
{
if (chunk.REDType == "CMesh" && chunk.data is CMesh cmesh)
{
List <SVertexBufferInfos> vertexBufferInfos = new List <SVertexBufferInfos>();
SMeshCookedData meshCookedData = cmesh.CookedData;
var bytes = meshCookedData.RenderChunks.Bytes;
using (MemoryStream ms = new MemoryStream(bytes))
using (BinaryReader br = new BinaryReader(ms))
{
var nbBuffers = br.ReadByte();
for (uint i = 0; i < nbBuffers; i++)
{
SVertexBufferInfos buffInfo = new SVertexBufferInfos();
br.BaseStream.Position += 1; // Unknown
buffInfo.verticesCoordsOffset = br.ReadUInt32();
buffInfo.uvOffset = br.ReadUInt32();
buffInfo.normalsOffset = br.ReadUInt32();
br.BaseStream.Position += 9; // Unknown
buffInfo.indicesOffset = br.ReadUInt32();
br.BaseStream.Position += 1; // 0x1D
buffInfo.nbVertices = br.ReadUInt16();
buffInfo.nbIndices = br.ReadUInt32();
buffInfo.materialID = br.ReadByte();
br.BaseStream.Position += 2; // Unknown
buffInfo.lod = br.ReadByte(); // lod ?
vertexBufferInfos.Add(buffInfo);
}
}
bufferInfos.indexBufferOffset = meshCookedData.IndexBufferOffset.val;
bufferInfos.indexBufferSize = meshCookedData.IndexBufferSize.val;
//bufferInfos.vertexBufferOffset = meshCookedData.vertexBufferOffset.val; //FIXME
bufferInfos.vertexBufferSize = meshCookedData.VertexBufferSize.val;
bufferInfos.quantizationOffset.X = meshCookedData.QuantizationOffset.X.val;
bufferInfos.quantizationOffset.Y = meshCookedData.QuantizationOffset.Y.val;
bufferInfos.quantizationOffset.Z = meshCookedData.QuantizationOffset.Z.val;
bufferInfos.quantizationScale.X = meshCookedData.QuantizationScale.X.val;
bufferInfos.quantizationScale.Y = meshCookedData.QuantizationScale.Y.val;
bufferInfos.quantizationScale.Z = meshCookedData.QuantizationScale.Z.val;
if (meshCookedData.BonePositions != null)
{
foreach (var item in meshCookedData.BonePositions)
{
Vector3Df pos = new Vector3Df();
pos.X = item.X.val;
pos.Y = item.Y.val;
pos.Z = item.Z.val;
bonePositions.Add(pos);
}
}
bufferInfos.verticesBuffer = vertexBufferInfos;
CArray <SMeshChunkPacked> meshChunks = cmesh.Chunks;
foreach (SMeshChunkPacked meshChunk in meshChunks.Elements)
{
SMeshInfos meshInfo = new SMeshInfos();
meshInfo.numVertices = meshChunk.NumVertices == null ? 0 : meshChunk.NumVertices.val;
meshInfo.numIndices = meshChunk.NumIndices == null ? 0 : meshChunk.NumIndices.val;
meshInfo.numBonesPerVertex = meshChunk.NumBonesPerVertex == null ? (uint)0 : meshChunk.NumBonesPerVertex.val;
meshInfo.firstVertex = meshChunk.FirstVertex == null ? 0 : meshChunk.FirstVertex.val;
meshInfo.firstIndex = meshChunk.FirstIndex == null ? 0 : meshChunk.FirstIndex.val;
meshInfo.materialID = meshChunk.MaterialID == null ? 0 : meshChunk.MaterialID.val;
if (meshChunk.VertexType != null)
{
if (meshChunk.VertexType.WrappedEnum == Enums.EMeshVertexType.MVT_StaticMesh)
{
meshInfo.vertexType = SMeshInfos.EMeshVertexType.EMVT_STATIC;
}
else if (meshChunk.VertexType.WrappedEnum == Enums.EMeshVertexType.MVT_SkinnedMesh)
{
meshInfo.vertexType = SMeshInfos.EMeshVertexType.EMVT_SKINNED;
}
}
CData.meshInfos.Add(meshInfo);
}
// bone names and matrices
CBufferVLQInt32 <CName> boneNames = cmesh.BoneNames;
CBufferVLQInt32 <CMatrix4x4> bonematrices = cmesh.Bonematrices;
CData.boneData.nbBones = (uint)boneNames.elements.Count;
for (int i = 0; i < CData.boneData.nbBones; i++)
{
CName name = boneNames.elements[i];
CData.boneData.jointNames.Add(name.Value);
CMatrix4x4 cmatrix = bonematrices.elements[i];
Matrix matrix = new Matrix();
for (int j = 0; j < 16; j++)
{
float value = (cmatrix.fields[j] as CFloat).val;
matrix.SetElement(j, value);
}
CData.boneData.boneMatrices.Add(matrix);
}
}
else if (chunk.REDType == "CMaterialInstance")
{
CData.materialInstances.Add(chunk.data as CMaterialInstance);
}
}
// *************** READ MESH BUFFER INFOS ***************
foreach (var meshInfo in CData.meshInfos)
{
SVertexBufferInfos vBufferInf = new SVertexBufferInfos();
uint nbVertices = 0;
uint firstVertexOffset = 0;
uint nbIndices = 0;
uint firstIndiceOffset = 0;
for (int i = 0; i < bufferInfos.verticesBuffer.Count; i++)
{
nbVertices += bufferInfos.verticesBuffer[i].nbVertices;
if (nbVertices > meshInfo.firstVertex)
{
vBufferInf = bufferInfos.verticesBuffer[i];
// the index of the first vertex in the buffer
firstVertexOffset = meshInfo.firstVertex - (nbVertices - vBufferInf.nbVertices);
break;
}
}
for (int i = 0; i < bufferInfos.verticesBuffer.Count; i++)
{
nbIndices += bufferInfos.verticesBuffer[i].nbIndices;
if (nbIndices > meshInfo.firstIndex)
{
vBufferInf = bufferInfos.verticesBuffer[i];
firstIndiceOffset = meshInfo.firstIndex - (nbIndices - vBufferInf.nbIndices);
break;
}
}
// Load only best LOD
if (vBufferInf.lod == 1)
{
using (BinaryReader br = new BinaryReader(File.Open(meshFile.FileName + ".1.buffer", FileMode.Open)))
{
uint vertexSize = 8;
if (meshInfo.vertexType == SMeshInfos.EMeshVertexType.EMVT_SKINNED)
{
vertexSize += meshInfo.numBonesPerVertex * 2;
}
br.BaseStream.Seek(vBufferInf.verticesCoordsOffset + firstVertexOffset * vertexSize, SeekOrigin.Begin);
List <Vertex3D> vertex3DCoords = new List <Vertex3D>();
Color defaultColor = new Color(255, 255, 255, 255);
for (uint i = 0; i < meshInfo.numVertices; i++)
{
ushort x = br.ReadUInt16();
ushort y = br.ReadUInt16();
ushort z = br.ReadUInt16();
ushort w = br.ReadUInt16();
if (meshInfo.vertexType == SMeshInfos.EMeshVertexType.EMVT_SKINNED)
{
//sr.BaseStream.Seek(meshInfo.numBonesPerVertex * 2, SeekOrigin.Current);
byte[] skinningData = new byte[meshInfo.numBonesPerVertex * 2];
br.BaseStream.Read(skinningData, 0, (int)meshInfo.numBonesPerVertex * 2);
for (uint j = 0; j < meshInfo.numBonesPerVertex; ++j)
{
uint boneId = skinningData[j];
uint weight = skinningData[j + meshInfo.numBonesPerVertex];
float fweight = weight / 255.0f;
if (weight != 0)
{
var vertexSkinningEntry = new W3_DataCache.VertexSkinningEntry();
vertexSkinningEntry.boneId = boneId;
vertexSkinningEntry.meshBufferId = 0;
vertexSkinningEntry.vertexId = i;
vertexSkinningEntry.strength = fweight;
CData.w3_DataCache.vertices.Add(vertexSkinningEntry);
}
}
}
Vertex3D vertex3DCoord = new Vertex3D();
vertex3DCoord.Position = new Vector3Df(x, y, z) / 65535f * bufferInfos.quantizationScale + bufferInfos.quantizationOffset;
vertex3DCoord.Color = defaultColor;
vertex3DCoords.Add(vertex3DCoord);
}
br.BaseStream.Seek(vBufferInf.uvOffset + firstVertexOffset * 4, SeekOrigin.Begin);
for (int i = 0; i < meshInfo.numVertices; i++)
{
float uf = br.ReadHalfFloat();
float vf = br.ReadHalfFloat();
Vertex3D vertex3DCoord = vertex3DCoords[i];
vertex3DCoord.TCoords = new Vector2Df(uf, vf);
vertex3DCoords[i] = vertex3DCoord;
}
// Indices -------------------------------------------------------------------
br.BaseStream.Seek(bufferInfos.indexBufferOffset + vBufferInf.indicesOffset + firstIndiceOffset * 2, SeekOrigin.Begin);
List <ushort> indices = new List <ushort>();
for (int i = 0; i < meshInfo.numIndices; i++)
{
indices.Add(0);
}
for (int i = 0; i < meshInfo.numIndices; i++)
{
ushort index = br.ReadUInt16();
// Indice need to be inversed for the normals
if (i % 3 == 0)
{
indices[i] = index;
}
else if (i % 3 == 1)
{
indices[i + 1] = index;
}
else if (i % 3 == 2)
{
indices[i - 1] = index;
}
}
MeshBuffer meshBuff = MeshBuffer.Create(VertexType.Standard, IndexType._16Bit);
meshBuff.Append(vertex3DCoords.ToArray(), indices.ToArray());
meshBuff.RecalculateBoundingBox();
CData.staticMesh.AddMeshBuffer(meshBuff);
meshBuff.Drop();
}
}
}
}