329 lines
14 KiB
C#
329 lines
14 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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namespace Unity_Studio
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{
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class Texture2D
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{
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public string m_Name;
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public int m_Width;
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public int m_Height;
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public int m_CompleteImageSize;
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public int m_TextureFormat;
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public bool m_MipMap;
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public bool m_IsReadable;
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public bool m_ReadAllowed;
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public int m_ImageCount;
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public int m_TextureDimension;
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//m_TextureSettings
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public int m_FilterMode;
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public int m_Aniso;
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public float m_MipBias;
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public int m_WrapMode;
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public int m_LightmapFormat;
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public int m_ColorSpace;
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public byte[] image_data;
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public int dwFlags = 0x1 + 0x2 + 0x4 + 0x1000;
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//public int dwHeight;
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//public int dwWidth;
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public int dwPitchOrLinearSize = 0x0;
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public int dwMipMapCount = 0x1;
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public int dwSize = 0x20;
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public int dwFlags2;
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public int dwFourCC = 0x0;
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public int dwRGBBitCount;
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public int dwRBitMask;
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public int dwGBitMask;
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public int dwBBitMask;
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public int dwABitMask;
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public int dwCaps = 0x1000;
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public int dwCaps2 = 0x0;
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public int pvrVersion = 0x03525650;
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public int pvrFlags = 0x0;
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public long pvrPixelFormat;
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public int pvrColourSpace = 0x0;
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public int pvrChannelType = 0x0;
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//public int pvrHeight;
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//public int pvrWidth;
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public int pvrDepth = 0x1;
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public int pvrNumSurfaces = 0x1; //For texture arrays
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public int pvrNumFaces = 0x1; //For cube maps
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//public int pvrMIPMapCount;
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public int pvrMetaDataSize = 0x0;
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public int image_data_size;
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string extension;
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public Texture2D(AssetPreloadData preloadData, bool readSwitch)
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{
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var sourceFile = preloadData.sourceFile;
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var a_Stream = preloadData.sourceFile.a_Stream;
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a_Stream.Position = preloadData.Offset;
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if (sourceFile.platform == -2)
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{
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uint m_ObjectHideFlags = a_Stream.ReadUInt32();
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PPtr m_PrefabParentObject = sourceFile.ReadPPtr();
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PPtr m_PrefabInternal = sourceFile.ReadPPtr();
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}
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m_Name = a_Stream.ReadAlignedString(a_Stream.ReadInt32());
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m_Width = a_Stream.ReadInt32();
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m_Height = a_Stream.ReadInt32();
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m_CompleteImageSize = a_Stream.ReadInt32();
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m_TextureFormat = a_Stream.ReadInt32();
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if (m_TextureFormat < 30) { extension = ".dds"; }
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else if (m_TextureFormat < 35) { extension = ".pvr"; }
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else { extension = "_" + m_Width.ToString() + "x" + m_Height.ToString() + "." + m_TextureFormat.ToString() + ".tex"; }
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m_MipMap = a_Stream.ReadBoolean();
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m_IsReadable = a_Stream.ReadBoolean(); //2.6.0 and up
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m_ReadAllowed = a_Stream.ReadBoolean(); //3.0.0 and up
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a_Stream.Position += 1; //4 byte alignment
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m_ImageCount = a_Stream.ReadInt32();
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m_TextureDimension = a_Stream.ReadInt32();
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//m_TextureSettings
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m_FilterMode = a_Stream.ReadInt32();
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m_Aniso = a_Stream.ReadInt32();
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m_MipBias = a_Stream.ReadSingle();
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m_WrapMode = a_Stream.ReadInt32();
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if (sourceFile.version[0] >= 3)
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{
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m_LightmapFormat = a_Stream.ReadInt32();
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if (sourceFile.version[0] >= 4 || sourceFile.version[1] >= 5) { m_ColorSpace = a_Stream.ReadInt32(); } //3.5.0 and up
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}
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image_data_size = a_Stream.ReadInt32();
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if (m_MipMap)
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{
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dwFlags += 0x20000;
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dwMipMapCount = Convert.ToInt32(Math.Log(Math.Max(m_Width, m_Height)) / Math.Log(2));
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dwCaps += 0x400008;
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}
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if (readSwitch)
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{
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image_data = new byte[image_data_size];
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a_Stream.Read(image_data, 0, image_data_size);
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switch (m_TextureFormat)
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{
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case 1: //Alpha8
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{
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dwFlags2 = 0x2;
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dwRGBBitCount = 0x8;
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dwRBitMask = 0x0;
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dwGBitMask = 0x0;
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dwBBitMask = 0x0;
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dwABitMask = 0xFF;
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break;
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}
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case 2: //A4R4G4B4
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{
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if (sourceFile.platform == 11) //swap bytes for Xbox confirmed, PS3 not encountered
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{
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for (int i = 0; i < (image_data_size / 2); i++)
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{
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byte b0 = image_data[i * 2];
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image_data[i * 2] = image_data[i * 2 + 1];
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image_data[i * 2 + 1] = b0;
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}
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}
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else if (sourceFile.platform == 13) //swap bits for android
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{
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for (int i = 0; i < (image_data_size / 2); i++)
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{
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byte[] argb = BitConverter.GetBytes((BitConverter.ToInt32((new byte[4] { image_data[i * 2], image_data[i * 2 + 1], image_data[i * 2], image_data[i * 2 + 1] }), 0)) >> 4);
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image_data[i * 2] = argb[0];
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image_data[i * 2 + 1] = argb[1];
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}
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}
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dwFlags2 = 0x41;
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dwRGBBitCount = 0x10;
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dwRBitMask = 0xF00;
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dwGBitMask = 0xF0;
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dwBBitMask = 0xF;
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dwABitMask = 0xF000;
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break;
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}
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case 3: //B8G8R8 //confirmed on X360, iOS //PS3 unsure
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{
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for (int i = 0; i < (image_data_size / 3); i++)
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{
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byte b0 = image_data[i * 3];
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image_data[i * 3] = image_data[i * 3 + 2];
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//image_data[i * 3 + 1] stays the same
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image_data[i * 3 + 2] = b0;
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}
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dwFlags2 = 0x40;
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dwRGBBitCount = 0x18;
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dwRBitMask = 0xFF0000;
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dwGBitMask = 0xFF00;
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dwBBitMask = 0xFF;
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dwABitMask = 0x0;
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break;
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}
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case 4: //G8R8A8B8 //confirmed on X360, iOS
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{
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for (int i = 0; i < (image_data_size / 4); i++)
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{
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byte b0 = image_data[i * 4];
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image_data[i * 4] = image_data[i * 4 + 2];
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//image_data[i * 4 + 1] stays the same
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image_data[i * 4 + 2] = b0;
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//image_data[i * 4 + 3] stays the same
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}
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dwFlags2 = 0x41;
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dwRGBBitCount = 0x20;
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dwRBitMask = 0xFF0000;
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dwGBitMask = 0xFF00;
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dwBBitMask = 0xFF;
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dwABitMask = -16777216;
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break;
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}
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case 5: //B8G8R8A8 //confirmed on X360, PS3, Web, iOS
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{
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for (int i = 0; i < (image_data_size / 4); i++)
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{
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byte b0 = image_data[i * 4];
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byte b1 = image_data[i * 4 + 1];
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image_data[i * 4] = image_data[i * 4 + 3];
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image_data[i * 4 + 1] = image_data[i * 4 + 2];
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image_data[i * 4 + 2] = b1;
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image_data[i * 4 + 3] = b0;
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}
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dwFlags2 = 0x41;
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dwRGBBitCount = 0x20;
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dwRBitMask = 0xFF0000;
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dwGBitMask = 0xFF00;
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dwBBitMask = 0xFF;
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dwABitMask = -16777216;
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break;
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}
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case 7: //R5G6B5 //confirmed switched on X360; confirmed on iOS
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{
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if (sourceFile.platform == 11)
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{
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for (int i = 0; i < (image_data_size / 2); i++)
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{
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byte b0 = image_data[i * 2];
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image_data[i * 2] = image_data[i * 2 + 1];
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image_data[i * 2 + 1] = b0;
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}
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}
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dwFlags2 = 0x40;
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dwRGBBitCount = 0x10;
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dwRBitMask = 0xF800;
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dwGBitMask = 0x7E0;
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dwBBitMask = 0x1F;
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dwABitMask = 0x0;
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break;
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}
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case 10: //DXT1
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{
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if (sourceFile.platform == 11) //X360 only, PS3 not
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{
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for (int i = 0; i < (image_data_size / 2); i++)
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{
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byte b0 = image_data[i * 2];
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image_data[i * 2] = image_data[i * 2 + 1];
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image_data[i * 2 + 1] = b0;
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}
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}
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if (m_MipMap) { dwPitchOrLinearSize = m_Height * m_Width / 2; }
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dwFlags2 = 0x4;
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dwFourCC = 0x31545844;
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dwRGBBitCount = 0x0;
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dwRBitMask = 0x0;
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dwGBitMask = 0x0;
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dwBBitMask = 0x0;
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dwABitMask = 0x0;
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break;
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}
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case 12: //DXT5
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{
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if (sourceFile.platform == 11) //X360, PS3 not
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{
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for (int i = 0; i < (image_data_size / 2); i++)
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{
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byte b0 = image_data[i * 2];
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image_data[i * 2] = image_data[i * 2 + 1];
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image_data[i * 2 + 1] = b0;
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}
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}
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if (m_MipMap) { dwPitchOrLinearSize = m_Height * m_Width / 2; }
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dwFlags2 = 0x4;
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dwFourCC = 0x35545844;
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dwRGBBitCount = 0x0;
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dwRBitMask = 0x0;
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dwGBitMask = 0x0;
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dwBBitMask = 0x0;
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dwABitMask = 0x0;
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break;
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}
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case 13: //R4G4B4A4, iOS (only?)
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{
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for (int i = 0; i < (image_data_size / 2); i++)
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{
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byte[] argb = BitConverter.GetBytes((BitConverter.ToInt32((new byte[4] { image_data[i * 2], image_data[i * 2 + 1], image_data[i * 2], image_data[i * 2 + 1] }), 0)) >> 4);
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image_data[i * 2] = argb[0];
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image_data[i * 2 + 1] = argb[1];
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}
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dwFlags2 = 0x41;
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dwRGBBitCount = 0x10;
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dwRBitMask = 0xF00;
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dwGBitMask = 0xF0;
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dwBBitMask = 0xF;
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dwABitMask = 0xF000;
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break;
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}
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case 30: //PVRTC_RGB2
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{
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pvrPixelFormat = 0x0;
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break;
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}
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case 31: //PVRTC_RGBA2
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{
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pvrPixelFormat = 0x1;
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break;
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}
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case 32: //PVRTC_RGB4
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{
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pvrPixelFormat = 0x2;
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break;
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}
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case 33: //PVRTC_RGBA4
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{
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pvrPixelFormat = 0x3;
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break;
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}
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case 34: //ETC_RGB4
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{
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pvrPixelFormat = 0x16;
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break;
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}
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}
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}
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}
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}
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}
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