public static bool OverwriteTextureData(int index, GHGParameters ghg, string ghgPath, byte[] data)
{
using (FileStream fw = File.OpenWrite(ghgPath)) {
try {
fw.Seek(ghg.texOffsets[index] + 24, SeekOrigin.Begin);
fw.Write(data, 0, data.Length);
Console.WriteLine("Successfully overwrote image.");
return(true);
} catch (Exception e) {
Console.WriteLine("Failed to write to GHG file.");
throw e;
}
}
}
public static bool OverwriteTexture(int index, GHGParameters ghg, string ghgPath, string ddsPath)
{
using (FileStream fr = File.OpenRead(ddsPath)) {
using (FileStream fw = File.OpenWrite(ghgPath)) {
byte[] array = new byte[ghg.texSizes[index]];
try {
fr.Read(array, 0, array.Length);
try {
fw.Seek(ghg.texOffsets[index] + 24, SeekOrigin.Begin);
fw.Write(array, 0, array.Length);
Console.WriteLine("Successfully overwrote image.");
return(true);
} catch (Exception e) {
Console.WriteLine("Failed to write to GHG file.");
throw e;
}
} catch (Exception e) {
Console.WriteLine("Failed to read DDS file.");
throw e;
}
}
}
}
public static void LoadModel(string path, out GHGParameters ghg)
{
using (FileStream fs = File.OpenRead(path)) {
ghg = new GHGParameters();
Stack <long> stack = new Stack <long>();
int NU20 = fs.ReadInt32();
if (NU20 == 0x3032554e)
{
}
else
{
fs.Seek(NU20 + 0x4, SeekOrigin.Begin);
fs.Seek(0x4, SeekOrigin.Current);
}
fs.Seek(0x18, SeekOrigin.Current);
int offsetGSNH = fs.ReadInt32();
long absOffsetGSNH = fs.Position + offsetGSNH;
int numberImages = 0;
fs.Seek(absOffsetGSNH, SeekOrigin.Begin);
numberImages = fs.ReadInt32();
long absOffsetImagesMeta = fs.Position + fs.ReadInt32();
fs.Seek(absOffsetImagesMeta, SeekOrigin.Begin);
if (NU20 == 0x3032554e)
{
}
else
{
int numberRealImages = 0;
for (int i = 0; i < numberImages; i++)
{
int tmp = fs.ReadInt32();
stack.Push(fs.Position);
fs.Seek(tmp - 4, SeekOrigin.Current);
int width = fs.ReadInt32();
int height = fs.ReadInt32();
if (width != 0 && height != 0)
{
numberRealImages++;
}
fs.Seek(stack.Pop(), SeekOrigin.Begin);
}
fs.Seek(6, SeekOrigin.Begin);
ghg.texCount = numberRealImages;
ghg.texOffsets = new long[numberRealImages];
ghg.texSizes = new int[numberRealImages];
ghg.texData = new byte[numberRealImages][];
ghg.texWidths = new int[numberRealImages];
ghg.texHeights = new int[numberRealImages];
for (int i = 0; i < numberRealImages; i++)
{
long pos = fs.Position;
int width = fs.ReadInt32();
int height = fs.ReadInt32();
fs.ReadInt32();
fs.ReadInt32();
fs.ReadInt32();
int size = fs.ReadInt32();
ghg.texOffsets[i] = pos;
ghg.texSizes[i] = size;
ghg.texWidths[i] = width;
ghg.texHeights[i] = height;
Console.WriteLine("Image " + i + " found at " + pos.ToString("X8") + ": width = " + width + ", height = " + height);
ghg.texData[i] = new byte[size];
fs.Read(ghg.texData[i], 0, size);
}
}
}
}