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| [*.{cs,vb}] | ||
| end_of_line = lf | ||
| insert_final_newline = true | ||
| tab_width = 4 | ||
| indent_size = 4 |
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| /* | ||
| Reference: https://github.com/nesrak1/UABEA/blob/239a112cc31cb46f9da235471a7b4d74894640fb/TexturePlugin/Texture2DSwitchDeswizzler.cs | ||
| MIT License | ||
| Copyright (c) 2021 nesrak1 | ||
| Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| of this software and associated documentation files (the "Software"), to deal | ||
| in the Software without restriction, including without limitation the rights | ||
| to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| copies of the Software, and to permit persons to whom the Software is | ||
| furnished to do so, subject to the following conditions: | ||
| The above copyright notice and this permission notice shall be included in all | ||
| copies or substantial portions of the Software. | ||
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| SOFTWARE. | ||
| */ | ||
|
|
||
| using SixLabors.ImageSharp; | ||
| using SixLabors.ImageSharp.PixelFormats; | ||
| using System; | ||
|
|
||
| namespace AssetStudio | ||
| { | ||
| public class Texture2DSwitchDeswizzler | ||
| { | ||
| // referring to block here as a compressed texture block, not a gob one | ||
| const int GOB_X_BLOCK_COUNT = 4; | ||
| const int GOB_Y_BLOCK_COUNT = 8; | ||
| const int BLOCKS_IN_GOB = GOB_X_BLOCK_COUNT * GOB_Y_BLOCK_COUNT; | ||
|
|
||
| /* | ||
| sector: | ||
| A | ||
| B | ||
| gob (made of sectors): | ||
| ABIJ | ||
| CDKL | ||
| EFMN | ||
| GHOP | ||
| gob blocks (example with height 2): | ||
| ACEGIK... from left to right of image | ||
| BDFHJL... | ||
| --------- start new row of blocks | ||
| MOQSUW... | ||
| NPRTVX... | ||
| */ | ||
|
|
||
| private static void CopyBlock(Image<Bgra32> srcImage, Image<Bgra32> dstImage, int sbx, int sby, int dbx, int dby, int blockSizeW, int blockSizeH) | ||
| { | ||
| for (int i = 0; i < blockSizeW; i++) | ||
| { | ||
| for (int j = 0; j < blockSizeH; j++) | ||
| { | ||
| dstImage[dbx * blockSizeW + i, dby * blockSizeH + j] = srcImage[sbx * blockSizeW + i, sby * blockSizeH + j]; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private static int CeilDivide(int a, int b) | ||
| { | ||
| return (a + b - 1) / b; | ||
| } | ||
|
|
||
| internal static Image<Bgra32> SwitchUnswizzle(Image<Bgra32> srcImage, Size blockSize, int gobsPerBlock) | ||
| { | ||
| Image<Bgra32> dstImage = new Image<Bgra32>(srcImage.Width, srcImage.Height); | ||
|
|
||
| int width = srcImage.Width; | ||
| int height = srcImage.Height; | ||
|
|
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| int blockCountX = CeilDivide(width, blockSize.Width); | ||
| int blockCountY = CeilDivide(height, blockSize.Height); | ||
|
|
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| int gobCountX = blockCountX / GOB_X_BLOCK_COUNT; | ||
| int gobCountY = blockCountY / GOB_Y_BLOCK_COUNT; | ||
|
|
||
| int srcX = 0; | ||
| int srcY = 0; | ||
| for (int i = 0; i < gobCountY / gobsPerBlock; i++) | ||
| { | ||
| for (int j = 0; j < gobCountX; j++) | ||
| { | ||
| for (int k = 0; k < gobsPerBlock; k++) | ||
| { | ||
| for (int l = 0; l < BLOCKS_IN_GOB; l++) | ||
| { | ||
| // todo: use table for speedy boi | ||
| int gobX = ((l >> 3) & 0b10) | ((l >> 1) & 0b1); | ||
| int gobY = ((l >> 1) & 0b110) | (l & 0b1); | ||
| int gobDstX = j * GOB_X_BLOCK_COUNT + gobX; | ||
| int gobDstY = (i * gobsPerBlock + k) * GOB_Y_BLOCK_COUNT + gobY; | ||
| CopyBlock(srcImage, dstImage, srcX, srcY, gobDstX, gobDstY, blockSize.Width, blockSize.Height); | ||
|
|
||
| srcX++; | ||
| if (srcX >= blockCountX) | ||
| { | ||
| srcX = 0; | ||
| srcY++; | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return dstImage; | ||
| } | ||
|
|
||
| internal static Image<Bgra32> SwitchSwizzle(Image<Bgra32> srcImage, Size blockSize, int gobsPerBlock) | ||
| { | ||
| Image<Bgra32> dstImage = new Image<Bgra32>(srcImage.Width, srcImage.Height); | ||
|
|
||
| int width = srcImage.Width; | ||
| int height = srcImage.Height; | ||
|
|
||
| int blockCountX = CeilDivide(width, blockSize.Width); | ||
| int blockCountY = CeilDivide(height, blockSize.Height); | ||
|
|
||
| int gobCountX = blockCountX / GOB_X_BLOCK_COUNT; | ||
| int gobCountY = blockCountY / GOB_Y_BLOCK_COUNT; | ||
|
|
||
| int dstX = 0; | ||
| int dstY = 0; | ||
| for (int i = 0; i < gobCountY / gobsPerBlock; i++) | ||
| { | ||
| for (int j = 0; j < gobCountX; j++) | ||
| { | ||
| for (int k = 0; k < gobsPerBlock; k++) | ||
| { | ||
| for (int l = 0; l < BLOCKS_IN_GOB; l++) | ||
| { | ||
| // todo: use table for speedy boi | ||
| int gobX = ((l >> 3) & 0b10) | ((l >> 1) & 0b1); | ||
| int gobY = ((l >> 1) & 0b110) | (l & 0b1); | ||
| int gobSrcX = j * GOB_X_BLOCK_COUNT + gobX; | ||
| int gobSrcY = (i * gobsPerBlock + k) * GOB_Y_BLOCK_COUNT + gobY; | ||
| CopyBlock(srcImage, dstImage, gobSrcX, gobSrcY, dstX, dstY, blockSize.Width, blockSize.Height); | ||
|
|
||
| dstX++; | ||
| if (dstX >= blockCountX) | ||
| { | ||
| dstX = 0; | ||
| dstY++; | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return dstImage; | ||
| } | ||
|
|
||
| // this should be the amount of pixels that can fit 16 bytes | ||
| internal static Size TextureFormatToBlockSize(TextureFormat m_TextureFormat) | ||
| { | ||
| switch (m_TextureFormat) | ||
| { | ||
| case TextureFormat.Alpha8: return new Size(16, 1); // 1 byte per pixel | ||
| case TextureFormat.ARGB4444: return new Size(8, 1); // 2 bytes per pixel | ||
| case TextureFormat.RGBA32: return new Size(4, 1); // 4 bytes per pixel | ||
| case TextureFormat.ARGB32: return new Size(4, 1); // 4 bytes per pixel | ||
| case TextureFormat.ARGBFloat: return new Size(1, 1); // 16 bytes per pixel (?) | ||
| case TextureFormat.RGB565: return new Size(8, 1); // 2 bytes per pixel | ||
| case TextureFormat.R16: return new Size(8, 1); // 2 bytes per pixel | ||
| case TextureFormat.DXT1: return new Size(8, 4); // 8 bytes per 4x4=16 pixels | ||
| case TextureFormat.DXT5: return new Size(4, 4); // 16 bytes per 4x4=16 pixels | ||
| case TextureFormat.RGBA4444: return new Size(8, 1); // 2 bytes per pixel | ||
| case TextureFormat.BGRA32: return new Size(4, 1); // 4 bytes per pixel | ||
| case TextureFormat.BC6H: return new Size(4, 4); // 16 bytes per 4x4=16 pixels | ||
| case TextureFormat.BC7: return new Size(4, 4); // 16 bytes per 4x4=16 pixels | ||
| case TextureFormat.BC4: return new Size(8, 4); // 8 bytes per 4x4=16 pixels | ||
| case TextureFormat.BC5: return new Size(4, 4); // 16 bytes per 4x4=16 pixels | ||
| case TextureFormat.ASTC_RGB_4x4: return new Size(4, 4); // 16 bytes per 4x4=16 pixels | ||
| case TextureFormat.ASTC_RGB_5x5: return new Size(5, 5); // 16 bytes per 5x5=25 pixels | ||
| case TextureFormat.ASTC_RGB_6x6: return new Size(6, 6); // 16 bytes per 6x6=36 pixels | ||
| case TextureFormat.ASTC_RGB_8x8: return new Size(8, 8); // 16 bytes per 8x8=64 pixels | ||
| case TextureFormat.ASTC_RGB_10x10: return new Size(10, 10); // 16 bytes per 10x10=100 pixels | ||
| case TextureFormat.ASTC_RGB_12x12: return new Size(12, 12); // 16 bytes per 12x12=144 pixels | ||
| case TextureFormat.ASTC_RGBA_4x4: return new Size(4, 4); // 16 bytes per 4x4=16 pixels | ||
| case TextureFormat.ASTC_RGBA_5x5: return new Size(5, 5); // 16 bytes per 5x5=25 pixels | ||
| case TextureFormat.ASTC_RGBA_6x6: return new Size(6, 6); // 16 bytes per 6x6=36 pixels | ||
| case TextureFormat.ASTC_RGBA_8x8: return new Size(8, 8); // 16 bytes per 8x8=64 pixels | ||
| case TextureFormat.ASTC_RGBA_10x10: return new Size(10, 10); // 16 bytes per 10x10=100 pixels | ||
| case TextureFormat.ASTC_RGBA_12x12: return new Size(12, 12); // 16 bytes per 12x12=144 pixels | ||
| case TextureFormat.RG16: return new Size(8, 1); // 2 bytes per pixel | ||
| case TextureFormat.R8: return new Size(16, 1); // 1 byte per pixel | ||
| default: throw new NotImplementedException(); | ||
| }; | ||
| } | ||
|
|
||
| internal static Size GetPaddedTextureSize(int width, int height, int blockWidth, int blockHeight, int gobsPerBlock) | ||
| { | ||
| width = CeilDivide(width, blockWidth * GOB_X_BLOCK_COUNT) * blockWidth * GOB_X_BLOCK_COUNT; | ||
| height = CeilDivide(height, blockHeight * GOB_Y_BLOCK_COUNT * gobsPerBlock) * blockHeight * GOB_Y_BLOCK_COUNT * gobsPerBlock; | ||
| return new Size(width, height); | ||
| } | ||
|
|
||
| internal static int GetSwitchGobsPerBlock(byte[] platformBlob) | ||
| { | ||
| // apparently there is another value to worry about, but seeing as it's | ||
| // always 0 and I have nothing else to test against, this will probably | ||
| // work fine for now | ||
| return 1 << BitConverter.ToInt32(platformBlob, 8); | ||
| } | ||
| } | ||
| } |