public static BMAP Load(string path, bool dump = false)
{
BMAP bmap = new BMAP();
byte[] buff = new byte[536870912];
int size = 0;
using (MemoryStream ms = new MemoryStream(File.ReadAllBytes(path)))
using (BinaryReader br = new BinaryReader(ms))
{
if (!IsBMAP(br))
{
return(null);
}
while (br.BaseStream.Position < br.BaseStream.Length)
{
int length = (int)br.ReadUInt32();
using (MemoryStream lzs = new MemoryStream(br.ReadBytes(length)))
using (LZ4Decompress lz4 = new LZ4Decompress(lzs))
{
size += lz4.Read(buff, size, buff.Length);
}
}
}
if (dump)
{
using (BinaryWriter bw = new BinaryWriter(new FileStream(path.Replace(".bmap", ".raw"), FileMode.Create)))
{
bw.Write(buff, 0, size);
}
}
using (MemoryStream ms = new MemoryStream(buff, 0, size))
using (BinaryReader br = new BinaryReader(ms))
{
bmap.Mode = (int)br.ReadUInt32();
bmap.Path = br.ReadString((int)br.ReadUInt32());
int dataSize = (int)br.ReadUInt32();
switch (bmap.Mode)
{
case 0:
bmap.DDS = DDS.Load(br.ReadBytes(dataSize));
break;
case 1:
br.ReadUInt16();
br.ReadUInt16();
br.ReadUInt32();
br.ReadUInt32();
bmap.Raw = new Bitmap(br.ReadUInt16(), br.ReadUInt16(), PixelFormat.Format32bppArgb);
br.ReadNullTerminatedString();
BitmapData bmpdata = bmap.Raw.LockBits(new Rectangle(0, 0, bmap.Raw.Width, bmap.Raw.Height), ImageLockMode.ReadWrite, bmap.Raw.PixelFormat);
dataSize = (int)(br.BaseStream.Length - br.BaseStream.Position);
Marshal.Copy(br.ReadBytes(dataSize), 0, bmpdata.Scan0, dataSize);
break;
}
}
return(bmap);
}
public static DDS Load(byte[] data)
{
DDS dds = new DDS();
using (MemoryStream ms = new MemoryStream(data))
using (BinaryReader br = new BinaryReader(ms))
{
if (!IsDDS(br))
{
return(null);
}
dds.pixelFormat = new DDSPixelFormat();
br.ReadUInt32(); // header length
dds.flags = (Flags)br.ReadUInt32();
dds.height = (int)br.ReadUInt32();
dds.width = (int)br.ReadUInt32();
dds.pitch = (int)br.ReadUInt32();
dds.depth = (int)br.ReadUInt32();
int mipCount = (int)br.ReadUInt32();
for (int i = 0; i < 11; i++)
{
br.ReadUInt32();
}
br.ReadUInt32(); // pixel format length
dds.pixelFormat.Flags = (PixelFormatFlags)br.ReadUInt32();
dds.pixelFormat.FourCC = (PixelFormatFourCC)br.ReadUInt32();
dds.pixelFormat.RGBBitCount = (int)br.ReadUInt32();
dds.pixelFormat.RBitMask = br.ReadUInt32();
dds.pixelFormat.GBitMask = br.ReadUInt32();
dds.pixelFormat.BBitMask = br.ReadUInt32();
dds.pixelFormat.ABitMask = br.ReadUInt32();
dds.caps = (DDSCaps)br.ReadUInt32();
dds.caps2 = (DDSCaps2)br.ReadUInt32();
br.ReadUInt32();
br.ReadUInt32();
br.ReadUInt32();
if (dds.pixelFormat.Flags.HasFlag(PixelFormatFlags.DDPF_FOURCC))
{
dds.format = (D3DFormat)dds.pixelFormat.FourCC;
}
else if (dds.pixelFormat.Flags.HasFlag(PixelFormatFlags.DDPF_RGB) & dds.pixelFormat.Flags.HasFlag(PixelFormatFlags.DDPF_ALPHAPIXELS))
{
dds.format = D3DFormat.A8R8G8B8;
}
for (int i = 0; i < Math.Max(1, mipCount); i++)
{
var mip = new MipMap
{
Width = dds.width >> i,
Height = dds.height >> i
};
switch (dds.format)
{
case D3DFormat.A8R8G8B8:
mip.Data = br.ReadBytes(mip.Width * mip.Height * 4);
break;
case D3DFormat.DXT1:
mip.Data = br.ReadBytes((((mip.Width + 3) / 4) * ((mip.Height + 3) / 4)) * 8);
break;
case D3DFormat.DXT3:
case D3DFormat.DXT5:
mip.Data = br.ReadBytes((((mip.Width + 3) / 4) * ((mip.Height + 3) / 4)) * 16);
break;
}
dds.mipMaps.Add(mip);
}
}
return(dds);
}
public static void Save(BinaryWriter bw, DDS dds)
{
Flags flags = (Flags.Caps | Flags.Height | Flags.Width | Flags.PixelFormat | Flags.MipMapCount);
flags |= (dds.format == D3DFormat.A8R8G8B8 ? Flags.Pitch : Flags.LinearSize);
bw.Write(new byte[] { 0x44, 0x44, 0x53, 0x20 }); // 'DDS '
bw.Write(124);
bw.Write((int)flags);
bw.Write(dds.Height);
bw.Write(dds.Width);
bw.Write((flags.HasFlag(Flags.Pitch) ? dds.width * 4 : dds.MipMaps[0].Data.Length));
bw.Write(dds.Depth);
bw.Write(dds.MipMaps.Count);
for (int i = 0; i < 11; i++) { bw.Write(0); }
// PixelFormat
bw.Write(32);
switch (dds.Format)
{
case D3DFormat.DXT1:
case D3DFormat.DXT3:
case D3DFormat.DXT5:
bw.Write(4); // fourCC length
bw.Write(dds.Format.ToString().ToCharArray());
bw.Write(0);
bw.Write(0);
bw.Write(0);
bw.Write(0);
bw.Write(0);
break;
default:
bw.Write(0); // fourCC length
bw.Write(0);
bw.Write(32); // RGB bit count
bw.Write(255 << 16); // R mask
bw.Write(255 << 8); // G mask
bw.Write(255 << 0); // B mask
bw.Write(255 << 24); // A mask
break;
}
bw.Write((int)DDSCaps.DDSCAPS_TEXTURE);
bw.Write(0); // Caps 2
bw.Write(0); // Caps 3
bw.Write(0); // Caps 4
bw.Write(0); // Reserved
for (int i = 0; i < dds.mipMaps.Count; i++)
{
bw.Write(dds.mipMaps[i].Data);
}
}
public static DDS Load(string path)
{
return(DDS.Load(File.ReadAllBytes(path)));
}
public static DDS Load(byte[] data)
{
DDS dds = new DDS();
using (MemoryStream ms = new MemoryStream(data))
using (BinaryReader br = new BinaryReader(ms))
{
if (!IsDDS(br)) { return null; }
dds.pixelFormat = new DDSPixelFormat();
br.ReadUInt32(); // header length
dds.flags = (Flags)br.ReadUInt32();
dds.height = (int)br.ReadUInt32();
dds.width = (int)br.ReadUInt32();
dds.pitch = (int)br.ReadUInt32();
dds.depth = (int)br.ReadUInt32();
int mipCount = (int)br.ReadUInt32();
for (int i = 0; i < 11; i++) { br.ReadUInt32(); }
br.ReadUInt32(); // pixel format length
dds.pixelFormat.Flags = (PixelFormatFlags)br.ReadUInt32();
dds.pixelFormat.FourCC = (PixelFormatFourCC)br.ReadUInt32();
dds.pixelFormat.RGBBitCount = (int)br.ReadUInt32();
dds.pixelFormat.RBitMask = br.ReadUInt32();
dds.pixelFormat.GBitMask = br.ReadUInt32();
dds.pixelFormat.BBitMask = br.ReadUInt32();
dds.pixelFormat.ABitMask = br.ReadUInt32();
dds.caps = (DDSCaps)br.ReadUInt32();
dds.caps2 = (DDSCaps2)br.ReadUInt32();
br.ReadUInt32();
br.ReadUInt32();
br.ReadUInt32();
if (dds.pixelFormat.Flags.HasFlag(PixelFormatFlags.DDPF_FOURCC))
{
dds.format = (D3DFormat)dds.pixelFormat.FourCC;
}
else if (dds.pixelFormat.Flags.HasFlag(PixelFormatFlags.DDPF_RGB) & dds.pixelFormat.Flags.HasFlag(PixelFormatFlags.DDPF_ALPHAPIXELS))
{
dds.format = D3DFormat.A8R8G8B8;
}
for (int i = 0; i < Math.Max(1, mipCount); i++)
{
var mip = new MipMap
{
Width = dds.width >> i,
Height = dds.height >> i
};
switch (dds.format)
{
case D3DFormat.A8R8G8B8:
mip.Data = br.ReadBytes(mip.Width * mip.Height * 4);
break;
case D3DFormat.DXT1:
mip.Data = br.ReadBytes((((mip.Width + 3) / 4) * ((mip.Height + 3) / 4)) * 8);
break;
case D3DFormat.DXT3:
case D3DFormat.DXT5:
mip.Data = br.ReadBytes((((mip.Width + 3) / 4) * ((mip.Height + 3) / 4)) * 16);
break;
}
dds.mipMaps.Add(mip);
}
}
return dds;
}
