public static Texture2D ReadMapTexture(string filename, Color32[] palette, TextureFormat format = TextureFormat.RGBA32, bool makeReadOnly = false, FilterMode filterMode = FilterMode.Bilinear)
{
if (TextureCache.TryGetValue(filename, out Texture2D texture))
{
return(texture);
}
bool hasTransparency = false;
using (Scripts.System.FastBinaryReader br = VirtualFilesystem.Instance.GetFileStream(filename))
{
int width = br.ReadInt32();
int height = br.ReadInt32();
int pixelSize = width * height;
texture = new Texture2D(width, height, format, true)
{
filterMode = filterMode,
wrapMode = TextureWrapMode.Repeat
};
int readLimit = (int)Math.Min(br.Length - br.Position, pixelSize);
if (readLimit > 0)
{
byte[] paletteBytes = br.ReadBytes(readLimit);
Color32[] pixelBuffer = new Color32[readLimit];
Color32[] maskBuffer = null;
bool maskCached = false;
for (int x = 0; x < width; ++x)
{
for (int y = 0; y < height; ++y)
{
int colorIndex = x * height + y;
if (colorIndex == readLimit)
{
break;
}
byte paletteIndex = paletteBytes[colorIndex];
Color32 color;
if (paletteIndex == 0xFF)
{
hasTransparency = true;
color = Transparent;
}
else
{
if (paletteIndex == 1 && !maskCached)
{
if (maskBuffer == null)
{
if (MaskTextureCache.ContainsKey(filename))
{
maskCached = true;
}
else
{
maskBuffer = new Color32[readLimit];
maskBuffer[colorIndex].a = 255;
}
}
else
{
maskBuffer[colorIndex].a = 255;
}
color = Color.black;
}
else
{
color = palette[paletteIndex];
}
}
pixelBuffer[colorIndex] = color;
}
}
texture.SetPixels32(pixelBuffer);
if (maskBuffer != null)
{
string fileNameUpper = filename.ToUpper();
if (!MaskTextureCache.ContainsKey(fileNameUpper))
{
Texture2D maskTexture = new Texture2D(width, height, TextureFormat.Alpha8, false);
maskTexture.SetPixels32(maskBuffer);
maskTexture.Apply(false, true);
MaskTextureCache.Add(fileNameUpper, maskTexture);
}
}
}
if (hasTransparency)
{
texture.wrapMode = TextureWrapMode.Clamp;
}
texture.Apply(true, false);
TextureCache.Add(filename, texture);
return(texture);
}
}
public static Texture2D ReadVqmTexture(string filename, Color32[] palette)
{
if (TextureCache.TryGetValue(filename, out Texture2D texture))
{
return(texture);
}
using (Scripts.System.FastBinaryReader br = VirtualFilesystem.Instance.GetFileStream(filename))
{
int width = br.ReadInt32();
int height = br.ReadInt32();
int pixels = width * height;
texture = new Texture2D(width, height, TextureFormat.ARGB32, true)
{
filterMode = FilterMode.Bilinear,
wrapMode = TextureWrapMode.Repeat
};
string cbkFile = br.ReadCString(12);
int unk1 = br.ReadInt32();
bool hasTransparency = false;
if (VirtualFilesystem.Instance.FileExists(cbkFile))
{
Color32[] pixelBuffer = new Color32[pixels];
using (Scripts.System.FastBinaryReader cbkBr = VirtualFilesystem.Instance.GetFileStream(cbkFile))
{
int x = 0;
int y = 0;
int byteIndex = 0;
long brLength = br.Length - br.Position;
long cbkStart = cbkBr.Position;
while (byteIndex < brLength)
{
ushort index = br.ReadUInt16();
byteIndex += sizeof(ushort);
if ((index & 0x8000) == 0)
{
cbkBr.Position = cbkStart + 4 + index * 16;
byte[] cbkData = cbkBr.ReadBytes(16);
for (int sy = 0; sy < 4; sy++)
{
for (int sx = 0; sx < 4; sx++)
{
byte paletteIndex = cbkData[sx * 4 + sy];
if (paletteIndex == 0xFF)
{
hasTransparency = true;
}
Color32 color = paletteIndex == 0xFF ? Transparent : palette[paletteIndex];
int pixelIndex = y * width + sx * width + x + sy;
if (pixelIndex < pixels)
{
pixelBuffer[pixelIndex] = color;
}
}
}
}
else
{
int paletteIndex = index & 0xFF;
if (paletteIndex == 0xFF)
{
hasTransparency = true;
}
Color32 color = paletteIndex == 0xFF ? Transparent : palette[paletteIndex];
for (int sy = 0; sy < 4; sy++)
{
for (int sx = 0; sx < 4; sx++)
{
int pixelIndex = y * width + sx * width + x + sy;
if (pixelIndex < pixels)
{
pixelBuffer[pixelIndex] = color;
}
}
}
}
x += 4;
if (x >= width)
{
x = 0;
y += 4;
}
}
}
texture.SetPixels32(pixelBuffer);
}
else
{
Debug.LogWarning("CBK file not found: " + cbkFile);
}
if (hasTransparency)
{
texture.wrapMode = TextureWrapMode.Clamp;
}
texture.Apply(true);
TextureCache.Add(filename, texture);
return(texture);
}
}
