public Mesh LoadFromStream(EndianBinaryReader reader)
{
MeshVertexAttributeHolder vertexData = null;
SceneNode rootNode = new SceneNode();
List <Texture2D> textureList = new List <Texture2D>();
List <WEditor.Common.Nintendo.J3D.Material> materialList = null;
List <SkeletonBone> joints = new List <SkeletonBone>();
DrawInfo drawInfo = null;
Envelopes envelopes = null;
Mesh j3dMesh = new Mesh();
// Read the Header
int magic = reader.ReadInt32(); // J3D1, J3D2, etc
if (magic != 1244873778)
{
WLog.Warning(LogCategory.ModelLoading, null, "Attempted to load model with invalid magic, ignoring!");
return(null);
}
int j3dType = reader.ReadInt32(); // BMD3 (models) BDL4 (models), jpa1 (particles), bck1 (animations), etc.
int totalFileSize = reader.ReadInt32();
int chunkCount = reader.ReadInt32();
// Skip over an unused tag (consistent in all files) and some padding.
reader.ReadBytes(16);
for (int i = 0; i < chunkCount; i++)
{
long chunkStart = reader.BaseStream.Position;
string tagName = reader.ReadString(4);
int chunkSize = reader.ReadInt32();
switch (tagName)
{
// INFO - Vertex Count, Scene Hierarchy
case "INF1":
rootNode = LoadINF1FromFile(rootNode, reader, chunkStart);
break;
// VERTEX - Stores vertex arrays for pos/normal/color0/tex0 etc. Contains VertexAttributes which describe
// how this data is stored/laid out.
case "VTX1":
vertexData = LoadVTX1FromFile(reader, chunkStart, chunkSize);
break;
// ENVELOPES - Defines vertex weights for skinning.
case "EVP1":
envelopes = LoadEVP1FromStream(reader, chunkStart);
break;
// DRAW (Skeletal Animation Data) - Stores which matrices are weighted, and which are used directly.
case "DRW1":
drawInfo = LoadDRW1FromStream(reader, chunkStart);
break;
// JOINTS - Stores the skeletal joints (position, rotation, scale, etc.)
case "JNT1":
joints = LoadJNT1SectionFromStream(reader, chunkStart);
break;
// SHAPE - Face/Triangle information for model.
case "SHP1":
LoadSHP1SectionFromFile(vertexData, j3dMesh, reader, chunkStart);
break;
// MATERIAL - Stores materials (which describes how textures, etc. are drawn)
case "MAT3":
materialList = LoadMAT3SectionFromStream(reader, chunkStart, chunkSize);
break;
// TEXTURES - Stores binary texture images.
case "TEX1":
textureList = LoadTEX1FromFile(reader, chunkStart);
break;
// MODEL - Seems to be bypass commands for Materials and invokes GX registers directly.
case "MDL3":
break;
}
reader.BaseStream.Position = chunkStart + chunkSize;
}
// Resolve the texture indexes into actual textures now that we've loaded the TEX1 section.
foreach (Material mat in materialList)
{
for (int i = 0; i < mat.TextureIndexes.Length; i++)
{
short index = mat.TextureIndexes[i];
if (index < 0)
{
continue;
}
mat.Textures[i] = textureList[index];
}
}
// loltests
for (int i = 0; i < materialList.Count; i++)
{
materialList[i].VtxDesc = j3dMesh.SubMeshes[0].GetVertexDescription();
Shader shader = TEVShaderGenerator.GenerateShader(materialList[i]);
materialList[i].Shader = shader;
}
// We're going to do something a little crazy - we're going to read the scene view and apply textures to meshes (for now)
Material curMat = null;
AssignMaterialsToMeshRecursive(rootNode, j3dMesh, ref curMat, materialList);
List <SkeletonBone> skeleton = new List <SkeletonBone>();
BuildSkeletonRecursive(rootNode, skeleton, joints, 0);
j3dMesh.Skeleton = skeleton;
j3dMesh.BindPoses = envelopes.inverseBindPose;
// Let's do some ugly post-processing here to see if we can't resolve all of the cross-references and turn it into
// a normal computer-readable format that we can digest in our RenderSytem.
{
for (int i = 0; i < j3dMesh.SubMeshes.Count; i++)
{
MeshBatch batch = j3dMesh.SubMeshes[i];
batch.BoneWeights = new BoneWeight[batch.Vertices.Length];
for (int j = 0; j < batch.PositionMatrixIndexs.Count; j++)
{
// Okay so this is where it gets more complicated. The PMI gives us an index into the MatrixTable for the packet, which we
// resolve and call "drawIndexes" - however we have to divide the number they give us by three for some reason, so that is
// already done and now our drawIndexes array should be one-index-for-every-vertex-in-batch and it should be the index into
// the draw section we need.
ushort drw1Index = batch.drawIndexes[j];
// The drw1Index can be set as 0xFFFF - if so, this means that you need to use the dr1Index of the previous one.
// until it is no longer 0xFFFF.
int counter = 0;
while (drw1Index == 0xFFFF)
{
drw1Index = batch.drawIndexes[j - counter];
counter++;
}
bool isWeighted = drawInfo.IsWeighted[drw1Index];
BoneWeight weight = new BoneWeight();
if (isWeighted)
{
// Something on this doesn't work for models that actually specify a PositionMatrixIndex.
// So... some math is off somewhere and I don't know where for the moment.
ushort numBonesAffecting = envelopes.numBonesAffecting[drw1Index];
weight.BoneIndexes = new ushort[numBonesAffecting];
weight.BoneWeights = new float[numBonesAffecting];
// "Much WTFs"
ushort offset = 0;
for (ushort e = 0; e < envelopes.indexRemap[drw1Index]; e++)
{
offset += envelopes.numBonesAffecting[e];
}
offset *= 2;
Matrix4 finalTransform = Matrix4.Identity;
for (ushort k = 0; k < numBonesAffecting; k++)
{
ushort boneIndex = envelopes.indexRemap[offset + (k * 0x2)];
float boneWeight = envelopes.weights[(offset / 2) + k];
weight.BoneIndexes[k] = boneIndex;
weight.BoneWeights[k] = boneWeight;
// This was apaprently a partial thought I never finished or got working in the old one? :S
}
}
else
{
// If the vertex isn't weighted, we just use the position from the bone matrix.
SkeletonBone joint = skeleton[drawInfo.Indexes[drw1Index]];
Matrix4 translation = Matrix4.CreateTranslation(joint.Translation);
Matrix4 rotation = Matrix4.CreateFromQuaternion(joint.Rotation);
Matrix4 finalMatrix = rotation * translation;
// Move the mesh by transforming the position by this much.
// I think we can just assign full weight to the first bone index and call it good.
weight.BoneIndexes = new[] { drawInfo.Indexes[drw1Index] };
weight.BoneWeights = new[] { 1f };
}
batch.BoneWeights[j] = weight;
}
}
}
return(j3dMesh);
}
private static void LoadSHP1SectionFromFile(MeshVertexAttributeHolder vertexData, Mesh j3dMesh, EndianBinaryReader reader, long chunkStart)
{
short batchCount = reader.ReadInt16();
short padding = reader.ReadInt16();
int batchOffset = reader.ReadInt32();
int unknownTableOffset = reader.ReadInt32(); // Another one of those 0->(n-1) counters. I think all sections have it? Might be part of the way they used inheritance to write files.
int alwaysZero = reader.ReadInt32(); Trace.Assert(alwaysZero == 0);
int attributeOffset = reader.ReadInt32();
int matrixTableOffset = reader.ReadInt32();
int primitiveDataOffset = reader.ReadInt32();
int matrixDataOffset = reader.ReadInt32();
int packetLocationOffset = reader.ReadInt32();
// Batches can have different attributes (ie: some have pos, some have normal, some have texcoords, etc.) they're split by batches,
// where everything in the batch uses the same set of vertex attributes. Each batch then has several packets, which are a collection
// of primitives.
for (int b = 0; b < batchCount; b++)
{
MeshBatch meshBatch = new MeshBatch();
j3dMesh.SubMeshes.Add(meshBatch);
int overallVertexCount = 0;
meshBatch.PrimitveType = OpenTK.Graphics.OpenGL.PrimitiveType.TriangleStrip; // HackHack, this varies per primitive.
// We need to look on each primitive and convert them to trianglestrips, most are TS some are TF's.
// We re-use the list struct here to dynamically add paired pos/col/tex as we load them
// then we convert them into arrays for the MeshBatch afterwards.
MeshVertexAttributeHolder meshVertexData = new MeshVertexAttributeHolder();
// chunkStart + batchOffset gets you the position where the batches are listed
// 0x28 * b gives you the right batch - a batch is 0x28 in length
reader.BaseStream.Position = chunkStart + batchOffset + (0x28 * b);
long batchStart = reader.BaseStream.Position;
byte matrixType = reader.ReadByte();
Trace.Assert(reader.ReadByte() == 0xFF); // Padding
ushort packetCount = reader.ReadUInt16();
ushort batchAttributeOffset = reader.ReadUInt16();
ushort firstMatrixIndex = reader.ReadUInt16();
ushort firstPacketIndex = reader.ReadUInt16();
ushort unknownpadding = reader.ReadUInt16(); Trace.Assert(unknownpadding == 0xFFFF);
float boundingSphereDiameter = reader.ReadSingle();
Vector3 boundingBoxMin = new Vector3();
boundingBoxMin.X = reader.ReadSingle();
boundingBoxMin.Y = reader.ReadSingle();
boundingBoxMin.Z = reader.ReadSingle();
Vector3 boundingBoxMax = new Vector3();
boundingBoxMax.X = reader.ReadSingle();
boundingBoxMax.Y = reader.ReadSingle();
boundingBoxMax.Z = reader.ReadSingle();
// We need to figure out how many primitive attributes there are in the SHP1 section. This can differ from the number of
// attributes in the VTX1 section, as the SHP1 can also include things like PositionMatrixIndex, so the count can be different.
// This also varies *per batch* as not all batches will have the things like PositionMatrixIndex.
reader.BaseStream.Position = chunkStart + attributeOffset + batchAttributeOffset;
var batchAttributes = new List<ShapeAttribute>();
do
{
ShapeAttribute attribute = new ShapeAttribute();
attribute.ArrayType = (VertexArrayType)reader.ReadInt32();
attribute.DataType = (VertexDataType)reader.ReadInt32();
if (attribute.ArrayType == VertexArrayType.NullAttr)
break;
batchAttributes.Add(attribute);
} while (true);
for (ushort p = 0; p < packetCount; p++)
{
// Packet Location
reader.BaseStream.Position = chunkStart + packetLocationOffset;
reader.BaseStream.Position += (firstPacketIndex + p) * 0x8; // A Packet Location is 0x8 long, so we skip ahead to the right one.
int packetSize = reader.ReadInt32();
int packetOffset = reader.ReadInt32();
// Read the matrix data for this packet
reader.BaseStream.Position = chunkStart + matrixDataOffset + (firstMatrixIndex + p) * 0x08;
ushort matrixUnknown0 = reader.ReadUInt16();
ushort matrixCount = reader.ReadUInt16();
uint matrixFirstIndex = reader.ReadUInt32();
// Skip ahead to the actual data.
reader.BaseStream.Position = chunkStart + matrixTableOffset + (matrixFirstIndex * 0x2);
List<ushort> matrixTable = new List<ushort>();
for (int m = 0; m < matrixCount; m++)
{
matrixTable.Add(reader.ReadUInt16());
}
// Jump the read head to the location of the primitives for this packet.
reader.BaseStream.Position = chunkStart + primitiveDataOffset + packetOffset;
int numVertexesAtPacketStart = meshVertexData.PositionMatrixIndexes.Count;
uint numPrimitiveBytesRead = 0;
while (numPrimitiveBytesRead < packetSize)
{
// Jump to the primitives
// Primitives
GXPrimitiveType type = (GXPrimitiveType)reader.ReadByte();
// Game pads the chunks out with zeros, so this is the signal for an early break;
if (type == 0 || numPrimitiveBytesRead >= packetSize)
break;
ushort vertexCount = reader.ReadUInt16();
meshBatch.PrimitveType = type == GXPrimitiveType.TriangleStrip ? OpenTK.Graphics.OpenGL.PrimitiveType.TriangleStrip : OpenTK.Graphics.OpenGL.PrimitiveType.TriangleFan;
//if (type != GXPrimitiveType.TriangleStrip)
//{
// WLog.Warning(LogCategory.ModelLoading, null, "Unsupported GXPrimitiveType {0}", type);
//}
numPrimitiveBytesRead += 0x3; // Advance us by 3 for the Primitive header.
for (int v = 0; v < vertexCount; v++)
{
meshVertexData.Indexes.Add(overallVertexCount);
overallVertexCount++;
// Iterate through the attribute types. I think the actual vertices are stored in interleaved format,
// ie: there's say 13 vertexes but those 13 vertexes will have a pos/color/tex index listed after it
// depending on the overall attributes of the file.
for (int attrib = 0; attrib < batchAttributes.Count; attrib++)
{
// Jump to primitive location
//reader.BaseStream.Position = chunkStart + primitiveDataOffset + numPrimitiveBytesRead + packetOffset;
// Now that we know how big the vertex type is stored in (either a Signed8 or a Signed16) we can read that much data
// and then we can use that index and index into
int val = 0;
uint numBytesRead = 0;
switch (batchAttributes[attrib].DataType)
{
case VertexDataType.Signed8:
val = reader.ReadByte();
numBytesRead = 1;
break;
case VertexDataType.Signed16:
val = reader.ReadInt16();
numBytesRead = 2;
break;
default:
WLog.Warning(LogCategory.ModelLoading, null, "Unknown Batch Index Type: {0}", batchAttributes[attrib].DataType);
break;
}
// Now that we know what the index is, we can retrieve it from the appropriate array
// and stick it into our vertex. The J3D format removes all duplicate vertex attributes
// so we need to re-duplicate them here so that we can feed them to a PC GPU in a normal fashion.
switch (batchAttributes[attrib].ArrayType)
{
case VertexArrayType.Position:
meshVertexData.Position.Add(vertexData.Position[val]);
break;
case VertexArrayType.PositionMatrixIndex:
meshVertexData.PositionMatrixIndexes.Add(val);
break;
case VertexArrayType.Normal:
meshVertexData.Normal.Add(vertexData.Normal[val]);
break;
case VertexArrayType.Color0:
meshVertexData.Color0.Add(vertexData.Color0[val]);
break;
case VertexArrayType.Color1:
meshVertexData.Color1.Add(vertexData.Color1[val]);
break;
case VertexArrayType.Tex0:
meshVertexData.Tex0.Add(vertexData.Tex0[val]);
break;
case VertexArrayType.Tex1:
meshVertexData.Tex1.Add(vertexData.Tex1[val]);
break;
case VertexArrayType.Tex2:
meshVertexData.Tex2.Add(vertexData.Tex2[val]);
break;
case VertexArrayType.Tex3:
meshVertexData.Tex3.Add(vertexData.Tex3[val]);
break;
case VertexArrayType.Tex4:
meshVertexData.Tex4.Add(vertexData.Tex4[val]);
break;
case VertexArrayType.Tex5:
meshVertexData.Tex5.Add(vertexData.Tex5[val]);
break;
case VertexArrayType.Tex6:
meshVertexData.Tex6.Add(vertexData.Tex6[val]);
break;
case VertexArrayType.Tex7:
meshVertexData.Tex7.Add(vertexData.Tex7[val]);
break;
default:
WLog.Warning(LogCategory.ModelLoading, null, "Unsupported attribType {0}", batchAttributes[attrib].ArrayType);
break;
}
numPrimitiveBytesRead += numBytesRead;
}
// Gonna try a weird hack, where if the mesh doesn't have PMI values, we're going to use just use the packet index into the matrixtable
// so that all meshes always have PMI values, to abstract out the ones that don't seem to (but still have matrixtable) junk. It's a guess
// here.
if (batchAttributes.Find(x => x.ArrayType == VertexArrayType.PositionMatrixIndex) == null)
{
meshVertexData.PositionMatrixIndexes.Add(p);
}
}
// After we write a primitive, write a special null-terminator which signifies the GPU to do a primitive restart for the next tri-strip.
meshVertexData.Indexes.Add(0xFFFF);
}
// The Matrix Table is per-packet, so we need to reach into the the matrix table after processing each packet
// and transform the indexes. Yuck. Yay.
for (int j = numVertexesAtPacketStart; j < meshVertexData.PositionMatrixIndexes.Count; j++)
{
// Yes you divide this by 3. No, no one knows why. $20 to the person who figures out why.
meshBatch.drawIndexes.Add(matrixTable[meshVertexData.PositionMatrixIndexes[j] / 3]);
}
}
meshBatch.Vertices = meshVertexData.Position.ToArray();
meshBatch.Color0 = meshVertexData.Color0.ToArray();
meshBatch.Color1 = meshVertexData.Color1.ToArray();
meshBatch.TexCoord0 = meshVertexData.Tex0.ToArray();
meshBatch.TexCoord1 = meshVertexData.Tex0.ToArray();
meshBatch.TexCoord2 = meshVertexData.Tex0.ToArray();
meshBatch.TexCoord3 = meshVertexData.Tex0.ToArray();
meshBatch.TexCoord4 = meshVertexData.Tex0.ToArray();
meshBatch.TexCoord5 = meshVertexData.Tex0.ToArray();
meshBatch.TexCoord6 = meshVertexData.Tex0.ToArray();
meshBatch.TexCoord7 = meshVertexData.Tex0.ToArray();
meshBatch.Indexes = meshVertexData.Indexes.ToArray();
meshBatch.PositionMatrixIndexs = meshVertexData.PositionMatrixIndexes; // This should be obsolete as they should be transformed already.
}
}
private static void LoadSHP1SectionFromFile(MeshVertexAttributeHolder vertexData, Mesh j3dMesh, EndianBinaryReader reader, long chunkStart)
{
short batchCount = reader.ReadInt16();
short padding = reader.ReadInt16();
int batchOffset = reader.ReadInt32();
int unknownTableOffset = reader.ReadInt32(); // Another one of those 0->(n-1) counters. I think all sections have it? Might be part of the way they used inheritance to write files.
int alwaysZero = reader.ReadInt32(); Trace.Assert(alwaysZero == 0);
int attributeOffset = reader.ReadInt32();
int matrixTableOffset = reader.ReadInt32();
int primitiveDataOffset = reader.ReadInt32();
int matrixDataOffset = reader.ReadInt32();
int packetLocationOffset = reader.ReadInt32();
// Batches can have different attributes (ie: some have pos, some have normal, some have texcoords, etc.) they're split by batches,
// where everything in the batch uses the same set of vertex attributes. Each batch then has several packets, which are a collection
// of primitives.
for (int b = 0; b < batchCount; b++)
{
MeshBatch meshBatch = new MeshBatch();
j3dMesh.SubMeshes.Add(meshBatch);
int overallVertexCount = 0;
meshBatch.PrimitveType = OpenTK.Graphics.OpenGL.PrimitiveType.TriangleStrip; // HackHack, this varies per primitive.
// We need to look on each primitive and convert them to trianglestrips, most are TS some are TF's.
// We re-use the list struct here to dynamically add paired pos/col/tex as we load them
// then we convert them into arrays for the MeshBatch afterwards.
MeshVertexAttributeHolder meshVertexData = new MeshVertexAttributeHolder();
// chunkStart + batchOffset gets you the position where the batches are listed
// 0x28 * b gives you the right batch - a batch is 0x28 in length
reader.BaseStream.Position = chunkStart + batchOffset + (0x28 * b);
long batchStart = reader.BaseStream.Position;
byte matrixType = reader.ReadByte();
Trace.Assert(reader.ReadByte() == 0xFF); // Padding
ushort packetCount = reader.ReadUInt16();
ushort batchAttributeOffset = reader.ReadUInt16();
ushort firstMatrixIndex = reader.ReadUInt16();
ushort firstPacketIndex = reader.ReadUInt16();
ushort unknownpadding = reader.ReadUInt16(); Trace.Assert(unknownpadding == 0xFFFF);
float boundingSphereDiameter = reader.ReadSingle();
Vector3 boundingBoxMin = new Vector3();
boundingBoxMin.X = reader.ReadSingle();
boundingBoxMin.Y = reader.ReadSingle();
boundingBoxMin.Z = reader.ReadSingle();
Vector3 boundingBoxMax = new Vector3();
boundingBoxMax.X = reader.ReadSingle();
boundingBoxMax.Y = reader.ReadSingle();
boundingBoxMax.Z = reader.ReadSingle();
// We need to figure out how many primitive attributes there are in the SHP1 section. This can differ from the number of
// attributes in the VTX1 section, as the SHP1 can also include things like PositionMatrixIndex, so the count can be different.
// This also varies *per batch* as not all batches will have the things like PositionMatrixIndex.
reader.BaseStream.Position = chunkStart + attributeOffset + batchAttributeOffset;
var batchAttributes = new List <ShapeAttribute>();
do
{
ShapeAttribute attribute = new ShapeAttribute();
attribute.ArrayType = (VertexArrayType)reader.ReadInt32();
attribute.DataType = (VertexDataType)reader.ReadInt32();
if (attribute.ArrayType == VertexArrayType.NullAttr)
{
break;
}
batchAttributes.Add(attribute);
} while (true);
for (ushort p = 0; p < packetCount; p++)
{
// Packet Location
reader.BaseStream.Position = chunkStart + packetLocationOffset;
reader.BaseStream.Position += (firstPacketIndex + p) * 0x8; // A Packet Location is 0x8 long, so we skip ahead to the right one.
int packetSize = reader.ReadInt32();
int packetOffset = reader.ReadInt32();
// Read the matrix data for this packet
reader.BaseStream.Position = chunkStart + matrixDataOffset + (firstMatrixIndex + p) * 0x08;
ushort matrixUnknown0 = reader.ReadUInt16();
ushort matrixCount = reader.ReadUInt16();
uint matrixFirstIndex = reader.ReadUInt32();
// Skip ahead to the actual data.
reader.BaseStream.Position = chunkStart + matrixTableOffset + (matrixFirstIndex * 0x2);
List <ushort> matrixTable = new List <ushort>();
for (int m = 0; m < matrixCount; m++)
{
matrixTable.Add(reader.ReadUInt16());
}
// Jump the read head to the location of the primitives for this packet.
reader.BaseStream.Position = chunkStart + primitiveDataOffset + packetOffset;
int numVertexesAtPacketStart = meshVertexData.PositionMatrixIndexes.Count;
uint numPrimitiveBytesRead = 0;
while (numPrimitiveBytesRead < packetSize)
{
// Jump to the primitives
// Primitives
GXPrimitiveType type = (GXPrimitiveType)reader.ReadByte();
// Game pads the chunks out with zeros, so this is the signal for an early break;
if (type == 0 || numPrimitiveBytesRead >= packetSize)
{
break;
}
ushort vertexCount = reader.ReadUInt16();
meshBatch.PrimitveType = type == GXPrimitiveType.TriangleStrip ? OpenTK.Graphics.OpenGL.PrimitiveType.TriangleStrip : OpenTK.Graphics.OpenGL.PrimitiveType.TriangleFan;
//if (type != GXPrimitiveType.TriangleStrip)
//{
// WLog.Warning(LogCategory.ModelLoading, null, "Unsupported GXPrimitiveType {0}", type);
//}
numPrimitiveBytesRead += 0x3; // Advance us by 3 for the Primitive header.
for (int v = 0; v < vertexCount; v++)
{
meshVertexData.Indexes.Add(overallVertexCount);
overallVertexCount++;
// Iterate through the attribute types. I think the actual vertices are stored in interleaved format,
// ie: there's say 13 vertexes but those 13 vertexes will have a pos/color/tex index listed after it
// depending on the overall attributes of the file.
for (int attrib = 0; attrib < batchAttributes.Count; attrib++)
{
// Jump to primitive location
//reader.BaseStream.Position = chunkStart + primitiveDataOffset + numPrimitiveBytesRead + packetOffset;
// Now that we know how big the vertex type is stored in (either a Signed8 or a Signed16) we can read that much data
// and then we can use that index and index into
int val = 0;
uint numBytesRead = 0;
switch (batchAttributes[attrib].DataType)
{
case VertexDataType.Signed8:
val = reader.ReadByte();
numBytesRead = 1;
break;
case VertexDataType.Signed16:
val = reader.ReadInt16();
numBytesRead = 2;
break;
default:
WLog.Warning(LogCategory.ModelLoading, null, "Unknown Batch Index Type: {0}", batchAttributes[attrib].DataType);
break;
}
// Now that we know what the index is, we can retrieve it from the appropriate array
// and stick it into our vertex. The J3D format removes all duplicate vertex attributes
// so we need to re-duplicate them here so that we can feed them to a PC GPU in a normal fashion.
switch (batchAttributes[attrib].ArrayType)
{
case VertexArrayType.Position:
meshVertexData.Position.Add(vertexData.Position[val]);
break;
case VertexArrayType.PositionMatrixIndex:
meshVertexData.PositionMatrixIndexes.Add(val);
break;
case VertexArrayType.Normal:
meshVertexData.Normal.Add(vertexData.Normal[val]);
break;
case VertexArrayType.Color0:
meshVertexData.Color0.Add(vertexData.Color0[val]);
break;
case VertexArrayType.Color1:
meshVertexData.Color1.Add(vertexData.Color1[val]);
break;
case VertexArrayType.Tex0:
meshVertexData.Tex0.Add(vertexData.Tex0[val]);
break;
case VertexArrayType.Tex1:
meshVertexData.Tex1.Add(vertexData.Tex1[val]);
break;
case VertexArrayType.Tex2:
meshVertexData.Tex2.Add(vertexData.Tex2[val]);
break;
case VertexArrayType.Tex3:
meshVertexData.Tex3.Add(vertexData.Tex3[val]);
break;
case VertexArrayType.Tex4:
meshVertexData.Tex4.Add(vertexData.Tex4[val]);
break;
case VertexArrayType.Tex5:
meshVertexData.Tex5.Add(vertexData.Tex5[val]);
break;
case VertexArrayType.Tex6:
meshVertexData.Tex6.Add(vertexData.Tex6[val]);
break;
case VertexArrayType.Tex7:
meshVertexData.Tex7.Add(vertexData.Tex7[val]);
break;
default:
WLog.Warning(LogCategory.ModelLoading, null, "Unsupported attribType {0}", batchAttributes[attrib].ArrayType);
break;
}
numPrimitiveBytesRead += numBytesRead;
}
// Gonna try a weird hack, where if the mesh doesn't have PMI values, we're going to use just use the packet index into the matrixtable
// so that all meshes always have PMI values, to abstract out the ones that don't seem to (but still have matrixtable) junk. It's a guess
// here.
if (batchAttributes.Find(x => x.ArrayType == VertexArrayType.PositionMatrixIndex) == null)
{
meshVertexData.PositionMatrixIndexes.Add(p);
}
}
// After we write a primitive, write a special null-terminator which signifies the GPU to do a primitive restart for the next tri-strip.
meshVertexData.Indexes.Add(0xFFFF);
}
// The Matrix Table is per-packet, so we need to reach into the the matrix table after processing each packet
// and transform the indexes. Yuck. Yay.
for (int j = numVertexesAtPacketStart; j < meshVertexData.PositionMatrixIndexes.Count; j++)
{
// Yes you divide this by 3. No, no one knows why. $20 to the person who figures out why.
meshBatch.drawIndexes.Add(matrixTable[meshVertexData.PositionMatrixIndexes[j] / 3]);
}
}
meshBatch.Vertices = meshVertexData.Position.ToArray();
meshBatch.Color0 = meshVertexData.Color0.ToArray();
meshBatch.Color1 = meshVertexData.Color1.ToArray();
meshBatch.TexCoord0 = meshVertexData.Tex0.ToArray();
meshBatch.TexCoord1 = meshVertexData.Tex0.ToArray();
meshBatch.TexCoord2 = meshVertexData.Tex0.ToArray();
meshBatch.TexCoord3 = meshVertexData.Tex0.ToArray();
meshBatch.TexCoord4 = meshVertexData.Tex0.ToArray();
meshBatch.TexCoord5 = meshVertexData.Tex0.ToArray();
meshBatch.TexCoord6 = meshVertexData.Tex0.ToArray();
meshBatch.TexCoord7 = meshVertexData.Tex0.ToArray();
meshBatch.Indexes = meshVertexData.Indexes.ToArray();
meshBatch.PositionMatrixIndexs = meshVertexData.PositionMatrixIndexes; // This should be obsolete as they should be transformed already.
}
}
private MeshVertexAttributeHolder LoadVTX1FromFile(EndianBinaryReader reader, long chunkStart, int chunkSize)
{
MeshVertexAttributeHolder dataHolder = new MeshVertexAttributeHolder();
//long headerStart = reader.BaseStream.Position;
int vertexFormatOffset = reader.ReadInt32();
int[] vertexDataOffsets = new int[13];
for (int k = 0; k < vertexDataOffsets.Length; k++)
{
vertexDataOffsets[k] = reader.ReadInt32();
}
reader.BaseStream.Position = chunkStart + vertexFormatOffset;
List <VertexFormat> vertexFormats = new List <VertexFormat>();
VertexFormat curFormat = null;
do
{
curFormat = new VertexFormat();
curFormat.ArrayType = (VertexArrayType)reader.ReadInt32();
curFormat.ComponentCount = reader.ReadInt32();
curFormat.DataType = (VertexDataType)reader.ReadInt32();
curFormat.ColorDataType = (VertexColorType)curFormat.DataType;
curFormat.DecimalPoint = reader.ReadByte();
reader.ReadBytes(3); // Padding
vertexFormats.Add(curFormat);
} while (curFormat.ArrayType != VertexArrayType.NullAttr);
// Don't count the last vertexFormat as it's the NullAttr one.
dataHolder.Attributes = vertexFormats.GetRange(0, vertexFormats.Count - 1);
// Now that we know how the vertexes are described, we can get the various data.
for (int k = 0; k < vertexDataOffsets.Length; k++)
{
if (vertexDataOffsets[k] == 0)
{
continue;
}
// Get the total length of this block of data.
int totalLength = GetVertexDataLength(vertexDataOffsets, k, (int)(chunkSize));
VertexFormat vertexFormat = null;
reader.BaseStream.Position = chunkStart + vertexDataOffsets[k];
switch (k)
{
// Position Data
case 0:
vertexFormat = vertexFormats.Find(x => x.ArrayType == VertexArrayType.Position);
dataHolder.Position = LoadVertexAttribute <Vector3>(reader, totalLength, vertexFormat.DecimalPoint, VertexArrayType.Position, vertexFormat.DataType, VertexColorType.None);
break;
// Normal Data
case 1:
vertexFormat = vertexFormats.Find(x => x.ArrayType == VertexArrayType.Normal);
dataHolder.Normal = LoadVertexAttribute <Vector3>(reader, totalLength, vertexFormat.DecimalPoint, VertexArrayType.Normal, vertexFormat.DataType, VertexColorType.None);
break;
// Normal Binormal Tangent Data (presumed)
case 2:
break;
// Color 0 Data
case 3:
vertexFormat = vertexFormats.Find(x => x.ArrayType == VertexArrayType.Color0);
dataHolder.Color0 = LoadVertexAttribute <Color>(reader, totalLength, vertexFormat.DecimalPoint, VertexArrayType.Color0, VertexDataType.None, vertexFormat.ColorDataType);
break;
// Color 1 Data (presumed)
case 4:
vertexFormat = vertexFormats.Find(x => x.ArrayType == VertexArrayType.Color1);
dataHolder.Color1 = LoadVertexAttribute <Color>(reader, totalLength, vertexFormat.DecimalPoint, VertexArrayType.Color1, VertexDataType.None, vertexFormat.ColorDataType);
break;
// Tex 0 Data
case 5:
vertexFormat = vertexFormats.Find(x => x.ArrayType == VertexArrayType.Tex0);
dataHolder.Tex0 = LoadVertexAttribute <Vector2>(reader, totalLength, vertexFormat.DecimalPoint, VertexArrayType.Tex0, vertexFormat.DataType, VertexColorType.None);
break;
// Tex 1 Data
case 6:
vertexFormat = vertexFormats.Find(x => x.ArrayType == VertexArrayType.Tex1);
dataHolder.Tex1 = LoadVertexAttribute <Vector2>(reader, totalLength, vertexFormat.DecimalPoint, VertexArrayType.Tex1, vertexFormat.DataType, VertexColorType.None);
break;
// Tex 2 Data
case 7:
vertexFormat = vertexFormats.Find(x => x.ArrayType == VertexArrayType.Tex2);
dataHolder.Tex2 = LoadVertexAttribute <Vector2>(reader, totalLength, vertexFormat.DecimalPoint, VertexArrayType.Tex2, vertexFormat.DataType, VertexColorType.None);
break;
// Tex 3 Data
case 8:
vertexFormat = vertexFormats.Find(x => x.ArrayType == VertexArrayType.Tex3);
dataHolder.Tex3 = LoadVertexAttribute <Vector2>(reader, totalLength, vertexFormat.DecimalPoint, VertexArrayType.Tex3, vertexFormat.DataType, VertexColorType.None);
break;
// Tex 4 Data
case 9:
vertexFormat = vertexFormats.Find(x => x.ArrayType == VertexArrayType.Tex4);
dataHolder.Tex4 = LoadVertexAttribute <Vector2>(reader, totalLength, vertexFormat.DecimalPoint, VertexArrayType.Tex4, vertexFormat.DataType, VertexColorType.None);
break;
// Tex 5 Data
case 10:
vertexFormat = vertexFormats.Find(x => x.ArrayType == VertexArrayType.Tex5);
dataHolder.Tex5 = LoadVertexAttribute <Vector2>(reader, totalLength, vertexFormat.DecimalPoint, VertexArrayType.Tex5, vertexFormat.DataType, VertexColorType.None);
break;
// Tex 6 Data
case 11:
vertexFormat = vertexFormats.Find(x => x.ArrayType == VertexArrayType.Tex6);
dataHolder.Tex6 = LoadVertexAttribute <Vector2>(reader, totalLength, vertexFormat.DecimalPoint, VertexArrayType.Tex6, vertexFormat.DataType, VertexColorType.None);
break;
// Tex 7 Data
case 12:
vertexFormat = vertexFormats.Find(x => x.ArrayType == VertexArrayType.Tex7);
dataHolder.Tex7 = LoadVertexAttribute <Vector2>(reader, totalLength, vertexFormat.DecimalPoint, VertexArrayType.Tex7, vertexFormat.DataType, VertexColorType.None);
break;
}
}
return(dataHolder);
}
