private void ReadTextureFile(PenumbraFileResource resource, MemoryStream ms)
{
var blocks = Reader.ReadStructures <LodBlock>(( int )resource.FileInfo !.BlockCount);
// if there is a mipmap header, the comp_offset
// will not be 0
var mipMapSize = blocks[0].CompressedOffset;
if (mipMapSize != 0)
{
var originalPos = BaseStream.Position;
BaseStream.Position = resource.FileInfo.Offset + resource.FileInfo.HeaderSize;
ms.Write(Reader.ReadBytes(( int )mipMapSize));
BaseStream.Position = originalPos;
}
// i is for texture blocks, j is 'data blocks'...
for (byte i = 0; i < blocks.Count; i++)
{
// start from comp_offset
var runningBlockTotal = blocks[i].CompressedOffset + resource.FileInfo.Offset + resource.FileInfo.HeaderSize;
ReadFileBlock(runningBlockTotal, ms, true);
for (var j = 1; j < blocks[i].BlockCount; j++)
{
runningBlockTotal += ( uint )Reader.ReadInt16();
ReadFileBlock(runningBlockTotal, ms, true);
}
// unknown
Reader.ReadInt16();
}
}
private void ReadStandardFile(PenumbraFileResource resource, MemoryStream ms)
{
var blocks = Reader.ReadStructures <DatStdFileBlockInfos>(( int )resource.FileInfo !.BlockCount);
foreach (var block in blocks)
{
ReadFileBlock(resource.FileInfo.Offset + resource.FileInfo.HeaderSize + block.Offset, ms);
}
// reset position ready for reading
ms.Position = 0;
}
private unsafe void ReadModelFile(PenumbraFileResource resource, MemoryStream ms)
{
var mdlBlock = resource.FileInfo !.ModelBlock;
var baseOffset = resource.FileInfo.Offset + resource.FileInfo.HeaderSize;
// 1/1/3/3/3 stack/runtime/vertex/egeo/index
// TODO: consider testing if this is more reliable than the Explorer method
// of adding mdlBlock.IndexBufferDataBlockIndex[2] + mdlBlock.IndexBufferDataBlockNum[2]
// i don't want to move this to that method right now, because i know sometimes the index is 0
// but it seems to work fine in explorer...
int totalBlocks = mdlBlock.StackBlockNum;
totalBlocks += mdlBlock.RuntimeBlockNum;
for (var i = 0; i < 3; i++)
{
totalBlocks += mdlBlock.VertexBufferBlockNum[i];
}
for (var i = 0; i < 3; i++)
{
totalBlocks += mdlBlock.EdgeGeometryVertexBufferBlockNum[i];
}
for (var i = 0; i < 3; i++)
{
totalBlocks += mdlBlock.IndexBufferBlockNum[i];
}
var compressedBlockSizes = Reader.ReadStructures <ushort>(totalBlocks);
var currentBlock = 0;
var vertexDataOffsets = new int[3];
var indexDataOffsets = new int[3];
var vertexBufferSizes = new int[3];
var indexBufferSizes = new int[3];
ms.Seek(0x44, SeekOrigin.Begin);
Reader.Seek(baseOffset + mdlBlock.StackOffset);
var stackStart = ms.Position;
for (var i = 0; i < mdlBlock.StackBlockNum; i++)
{
var lastPos = Reader.BaseStream.Position;
ReadFileBlock(ms);
Reader.Seek(lastPos + compressedBlockSizes[currentBlock]);
currentBlock++;
}
var stackEnd = ms.Position;
var stackSize = ( int )(stackEnd - stackStart);
Reader.Seek(baseOffset + mdlBlock.RuntimeOffset);
var runtimeStart = ms.Position;
for (var i = 0; i < mdlBlock.RuntimeBlockNum; i++)
{
var lastPos = Reader.BaseStream.Position;
ReadFileBlock(ms);
Reader.Seek(lastPos + compressedBlockSizes[currentBlock]);
currentBlock++;
}
var runtimeEnd = ms.Position;
var runtimeSize = ( int )(runtimeEnd - runtimeStart);
for (var i = 0; i < 3; i++)
{
if (mdlBlock.VertexBufferBlockNum[i] != 0)
{
var currentVertexOffset = ( int )ms.Position;
if (i == 0 || currentVertexOffset != vertexDataOffsets[i - 1])
{
vertexDataOffsets[i] = currentVertexOffset;
}
else
{
vertexDataOffsets[i] = 0;
}
Reader.Seek(baseOffset + mdlBlock.VertexBufferOffset[i]);
for (var j = 0; j < mdlBlock.VertexBufferBlockNum[i]; j++)
{
var lastPos = Reader.BaseStream.Position;
vertexBufferSizes[i] += ( int )ReadFileBlock(ms);
Reader.Seek(lastPos + compressedBlockSizes[currentBlock]);
currentBlock++;
}
}
if (mdlBlock.EdgeGeometryVertexBufferBlockNum[i] != 0)
{
for (var j = 0; j < mdlBlock.EdgeGeometryVertexBufferBlockNum[i]; j++)
{
var lastPos = Reader.BaseStream.Position;
ReadFileBlock(ms);
Reader.Seek(lastPos + compressedBlockSizes[currentBlock]);
currentBlock++;
}
}
if (mdlBlock.IndexBufferBlockNum[i] != 0)
{
var currentIndexOffset = ( int )ms.Position;
if (i == 0 || currentIndexOffset != indexDataOffsets[i - 1])
{
indexDataOffsets[i] = currentIndexOffset;
}
else
{
indexDataOffsets[i] = 0;
}
// i guess this is only needed in the vertex area, for i = 0
// Reader.Seek( baseOffset + mdlBlock.IndexBufferOffset[ i ] );
for (var j = 0; j < mdlBlock.IndexBufferBlockNum[i]; j++)
{
var lastPos = Reader.BaseStream.Position;
indexBufferSizes[i] += ( int )ReadFileBlock(ms);
Reader.Seek(lastPos + compressedBlockSizes[currentBlock]);
currentBlock++;
}
}
}
ms.Seek(0, SeekOrigin.Begin);
ms.Write(BitConverter.GetBytes(mdlBlock.Version));
ms.Write(BitConverter.GetBytes(stackSize));
ms.Write(BitConverter.GetBytes(runtimeSize));
ms.Write(BitConverter.GetBytes(mdlBlock.VertexDeclarationNum));
ms.Write(BitConverter.GetBytes(mdlBlock.MaterialNum));
for (var i = 0; i < 3; i++)
{
ms.Write(BitConverter.GetBytes(vertexDataOffsets[i]));
}
for (var i = 0; i < 3; i++)
{
ms.Write(BitConverter.GetBytes(indexDataOffsets[i]));
}
for (var i = 0; i < 3; i++)
{
ms.Write(BitConverter.GetBytes(vertexBufferSizes[i]));
}
for (var i = 0; i < 3; i++)
{
ms.Write(BitConverter.GetBytes(indexBufferSizes[i]));
}
ms.Write(new[] { mdlBlock.NumLods });
ms.Write(BitConverter.GetBytes(mdlBlock.IndexBufferStreamingEnabled));
ms.Write(BitConverter.GetBytes(mdlBlock.EdgeGeometryEnabled));
ms.Write(new byte[] { 0 });
}