public static DDSFile ReadFile(string fileName)
{
DDSFile file = new DDSFile();
using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read)) {
byte[] buf = new byte[Marshal.SizeOf(typeof(DDSHEAD))];
int length = fs.Read(buf, 0, Marshal.SizeOf(typeof(DDSHEAD)));
if (length != Marshal.SizeOf(typeof(DDSHEAD)))
{
throw new Exception("Could not read the whole header.");
}
file.header = (DDSHEAD)RawDeserialize(buf, typeof(DDSHEAD));
file.SetSizeAndMipmapCount(file.header.dwWidth, file.header.dwHeight, file.header.dwMipMapCount);
file.mipmapData = new byte[file.RequiredMipSizeAll];
length = fs.Read(file.mipmapData, 0, Convert.ToInt32(file.RequiredMipSizeAll));
if (length != file.RequiredMipSizeAll)
{
throw new Exception("Could not read the whole mipmaps.");
}
if (fs.Length != fs.Position)
{
throw new Exception("There are rest bytes");
}
}
return(file);
}
private void updateUpkButton_Click(object sender, System.EventArgs e)
{
string upkPath = this.upkBox.Text;
File.Copy(upkPath, upkPath + ".mod", true);
UPK upk = new UPK(upkPath + ".mod");
Hashtable nameTable = loadNameTable(this.nameTablePathBox2.Text);
Texture2D texture = new Texture2D(nameTable, this.texturePathBox2.Text);
upk.ReplaceTexture(texture, DDSFile.ReadFile(this.newDDSBox.Text));
}
internal void Save()
{
string ddsFileName = path.Substring(0, path.Length - ".Texture2D".Length) + ".dds";
DDSFile file = new DDSFile();
int[] mips = GetExportableBulkDataIndices();
string format = (string)property["Format"];
file.SetPixelFormat(format);
file.SetSizeAndMipmapCount(Width, Height, (uint)mips.Length);
for (int i = 0; i < mips.Length; i++)
{
file.SetData(GetExportableBulkData(mips[i]), i);
}
file.WriteFile(ddsFileName);
}
internal void ReplaceTexture(Texture2D texture, DDSFile dds)
{
for (int mipId = 0; mipId < dds.MipmapCount; mipId++)
{
Mipmap mipmap = dds.GetMipmap(mipId);
Texture2D.BulkDataInfo info = texture.FindCompressedDataHeader(mipmap);;
if (info.Format == 16)
{
mipmap.Compress();
}
if (mipmap.CompressedSize > info.CompressedSize)
{
throw new Exception("New DDS is larger than the old one");
}
//fs.Seek(info.OffsetInUpk - 8, SeekOrigin.Begin);
//writer.Write(Convert.ToInt32(mipmap.CompressedSize));
fs.Seek(info.OffsetInUpk, SeekOrigin.Begin);
writer.Write(mipmap.CompressedData);
writer.Write(info.Footer);
}
}