public void Save(System.IO.Stream stream)
{
using (FileWriter writer = new FileWriter(stream, true))
{
writer.ByteOrder = Syroot.BinaryData.ByteOrder.BigEndian;
header.Write(writer);
uint surfBlockType;
uint dataBlockType;
uint mipBlockType;
if (header.MajorVersion == 6 && header.MinorVersion == 0)
{
surfBlockType = 0x0A;
dataBlockType = 0x0B;
mipBlockType = 0x0C;
}
else if (header.MajorVersion == 6 || header.MajorVersion == 7)
{
surfBlockType = 0x0B;
dataBlockType = 0x0C;
mipBlockType = 0x0D;
}
else
{
throw new Exception($"Unsupported GTX version {header.MajorVersion}");
}
int imageInfoIndex = -1;
int imageBlockIndex = -1;
int imageMipBlockIndex = -1;
writer.Seek(header.HeaderSize, System.IO.SeekOrigin.Begin);
foreach (var block in blocks)
{
if ((uint)block.BlockType == surfBlockType)
{
imageInfoIndex++;
imageBlockIndex++;
imageMipBlockIndex++;
block.data = textures[imageInfoIndex].surface.Write();
block.Write(writer);
}
else if ((uint)block.BlockType == dataBlockType)
{
var tex = textures[imageBlockIndex];
var pos = writer.Position;
uint Alignment = tex.surface.alignment;
//Create alignment block first
uint dataAlignment = GetAlignBlockSize((uint)pos + 32, Alignment);
GTXDataBlock dataAlignBlock = new GTXDataBlock(BlockType.AlignData, dataAlignment, 0, 0);
dataAlignBlock.Write(writer);
block.data = tex.surface.data;
block.Write(writer);
}
else if ((uint)block.BlockType == mipBlockType)
{
var tex = textures[imageMipBlockIndex];
var pos = writer.Position;
uint Alignment = tex.surface.alignment;
//Create alignment block first
uint dataAlignment = GetAlignBlockSize((uint)pos + 32, Alignment);
GTXDataBlock dataAlignBlock = new GTXDataBlock(BlockType.AlignData, dataAlignment, 0, 0);
dataAlignBlock.Write(writer);
if (tex.surface.mipData == null || tex.surface.mipData.Length <= 0)
{
throw new Exception("Invalid mip data!");
}
block.data = tex.surface.mipData;
block.Write(writer);
}
else if (block.BlockType != BlockType.AlignData)
{
block.Write(writer);
}
}
}
}
public byte[] Save()
{
//Get each block type for saving except alignment
// var TextureInfoBlocks = blocks.Where(i => i.BlockType == BlockType.ImageInfo);
// var TextureDataBlocks = blocks.Where(i => i.BlockType == BlockType.ImageData);
// var TextureMipDataBlocks = blocks.Where(i => i.BlockType == BlockType.MipData);
System.IO.MemoryStream mem = new System.IO.MemoryStream();
using (FileWriter writer = new FileWriter(mem))
{
writer.ByteOrder = Syroot.BinaryData.ByteOrder.BigEndian;
header.Write(writer);
uint surfBlockType;
uint dataBlockType;
uint mipBlockType;
if (header.MajorVersion == 6 && header.MinorVersion == 0)
{
surfBlockType = 0x0A;
dataBlockType = 0x0B;
mipBlockType = 0x0C;
}
else if (header.MajorVersion == 6 || header.MajorVersion == 7)
{
surfBlockType = 0x0B;
dataBlockType = 0x0C;
mipBlockType = 0x0D;
}
else
{
throw new Exception($"Unsupported GTX version {header.MajorVersion}");
}
int imageInfoIndex = -1;
int imageBlockIndex = -1;
int imageMipBlockIndex = -1;
writer.Seek(header.HeaderSize, System.IO.SeekOrigin.Begin);
foreach (var block in blocks)
{
if ((uint)block.BlockType == surfBlockType)
{
imageInfoIndex++;
imageBlockIndex++;
imageMipBlockIndex++;
block.data = textures[imageInfoIndex].surface.Write();
block.Write(writer);
}
else if ((uint)block.BlockType == dataBlockType)
{
var tex = textures[imageBlockIndex];
var pos = writer.Position;
uint Alignment = tex.surface.alignment;
//Create alignment block first
uint dataAlignment = GetAlignBlockSize((uint)pos + 32, Alignment);
GTXDataBlock dataAlignBlock = new GTXDataBlock(BlockType.AlignData, dataAlignment, 0, 0);
dataAlignBlock.Write(writer);
block.data = tex.surface.data;
block.Write(writer);
}
else if ((uint)block.BlockType == mipBlockType)
{
var tex = textures[imageMipBlockIndex];
var pos = writer.Position;
uint Alignment = tex.surface.alignment;
//Create alignment block first
uint dataAlignment = GetAlignBlockSize((uint)pos + 32, Alignment);
GTXDataBlock dataAlignBlock = new GTXDataBlock(BlockType.AlignData, dataAlignment, 0, 0);
dataAlignBlock.Write(writer);
if (tex.surface.mipData == null || tex.surface.mipData.Length <= 0)
{
throw new Exception("Invalid mip data!");
}
block.data = tex.surface.mipData;
block.Write(writer);
}
else if (block.BlockType != BlockType.AlignData)
{
block.Write(writer);
}
}
}
return(mem.ToArray());
}
