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bird_egop
2024-11-19 02:13:14 +03:00
parent 08c8d07d91
commit 5f84617567
5 changed files with 285 additions and 28 deletions
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62
TexmLib/TexmFile.cs
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@ -114,6 +114,26 @@ public class TexmFile
}
}
public byte[] GetRgba32BytesFromMipmap(int index, out int mipWidth, out int mipHeight)
{
var mipmapBytes = MipmapBytes[index];
mipWidth = Header.Width / (int) Math.Pow(2, index);
mipHeight = Header.Height / (int) Math.Pow(2, index);
if (IsIndexed)
{
return ReinterpretIndexedMipmap(mipmapBytes, LookupColors);
}
return ReinterpretMipmapBytesAsRgba32(
mipmapBytes,
mipWidth,
mipHeight,
Header.Format
);
}
private byte[] ReinterpretIndexedMipmap(byte[] bytes, byte[] lookupColors)
{
var span = bytes.AsSpan();
@ -123,15 +143,15 @@ public class TexmFile
{
var index = span[i];
var a = lookupColors[index * 4 + 0];
var r = lookupColors[index * 4 + 1];
var g = lookupColors[index * 4 + 2];
var b = lookupColors[index * 4 + 3];
var r = lookupColors[index * 4 + 0];
var g = lookupColors[index * 4 + 1];
var b = lookupColors[index * 4 + 2];
var a = lookupColors[index * 4 + 3];
result[i * 4 + 0] = r;
result[i * 4 + 1] = g;
result[i * 4 + 2] = b;
result[i * 4 + 3] = a;
result[i * 4 + 3] = 255;
}
return result;
@ -161,8 +181,8 @@ public class TexmFile
var rawPixel = span.Slice(i, 2);
var r = (byte)(((rawPixel[0] >> 3) & 0b11111) / 32 * 255);
var g = (byte)(((rawPixel[0] & 0b111) << 3) | ((rawPixel[1] >> 5) & 0b111) / 64 * 255);
var b = (byte)((rawPixel[1] & 0b11111) / 32 * 255);
var b = (byte)(((rawPixel[0] & 0b111) << 3) | ((rawPixel[1] >> 5) & 0b111) / 64 * 255);
var g = (byte)((rawPixel[1] & 0b11111) / 32 * 255);
result[i / 2 * 4 + 0] = r;
result[i / 2 * 4 + 1] = g;
@ -182,10 +202,10 @@ public class TexmFile
{
var rawPixel = span.Slice(i, 2);
var a = (byte)((float)((rawPixel[0] >> 4) & 0b1111) / 16 * 255);
var r = (byte)((float)((rawPixel[0] >> 0) & 0b1111) / 16 * 255);
var g = (byte)((float)((rawPixel[1] >> 4) & 0b1111) / 16 * 255);
var b = (byte)((float)((rawPixel[1] >> 0) & 0b1111) / 16 * 255);
var r = (byte)((float)((rawPixel[0] >> 4) & 0b1111) * 17);
var g = (byte)((float)((rawPixel[0] >> 0) & 0b1111) * 17);
var b = (byte)((float)((rawPixel[1] >> 4) & 0b1111) * 17);
var a = (byte)((float)((rawPixel[1] >> 0) & 0b1111) * 17);
result[i / 2 * 4 + 0] = r;
result[i / 2 * 4 + 1] = g;
@ -205,14 +225,14 @@ public class TexmFile
{
var rawPixel = span.Slice(i, 4);
var x = rawPixel[0];
var y = rawPixel[1];
var z = rawPixel[2];
var r = rawPixel[0];
var g = rawPixel[1];
var b = rawPixel[2];
var w = rawPixel[3];
result[i + 0] = y;
result[i + 1] = z;
result[i + 2] = w;
result[i + 0] = r;
result[i + 1] = g;
result[i + 2] = b;
result[i + 3] = 255;
}
@ -228,10 +248,10 @@ public class TexmFile
{
var rawPixel = span.Slice(i, 4);
var a = rawPixel[0];
var r = rawPixel[1];
var g = rawPixel[2];
var b = rawPixel[3];
var b = rawPixel[0];
var g = rawPixel[1];
var r = rawPixel[2];
var a = rawPixel[3];
result[i + 0] = r;
result[i + 1] = g;