AssetStudio/AssetStudio/Classes/Texture2D.cs
2018-07-13 00:54:38 +08:00

242 lines
7.8 KiB
C#

using System;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.Windows.Forms;
namespace AssetStudio
{
class Texture2D
{
public AssetPreloadData preloadData;
public string m_Name;
public int m_Width;
public int m_Height;
public int m_CompleteImageSize;
public TextureFormat m_TextureFormat;
public bool m_MipMap;
public int m_MipCount;
public bool m_IsReadable;
public bool m_ReadAllowed;
public int m_ImageCount;
public int m_TextureDimension;
//m_TextureSettings
public int m_FilterMode;
public int m_Aniso;
public float m_MipBias;
public int m_WrapMode;
public int m_LightmapFormat;
public int m_ColorSpace;
//image dataa
public int image_data_size;
public byte[] image_data;
//m_StreamData
public uint offset;
public uint size;
public string path;
public Texture2D(AssetPreloadData preloadData, bool readSwitch)
{
this.preloadData = preloadData;
var sourceFile = preloadData.sourceFile;
var reader = preloadData.InitReader();
var version = sourceFile.version;
m_Name = reader.ReadAlignedString();
if (version[0] > 2017 || (version[0] == 2017 && version[1] >= 3))//2017.3 and up
{
var m_ForcedFallbackFormat = reader.ReadInt32();
var m_DownscaleFallback = reader.ReadBoolean();
reader.AlignStream(4);
}
m_Width = reader.ReadInt32();
m_Height = reader.ReadInt32();
m_CompleteImageSize = reader.ReadInt32();
m_TextureFormat = (TextureFormat)reader.ReadInt32();
if (version[0] < 5 || (version[0] == 5 && version[1] < 2))
{
m_MipMap = reader.ReadBoolean();
}
else
{
m_MipCount = reader.ReadInt32();
}
m_IsReadable = reader.ReadBoolean(); //2.6.0 and up
m_ReadAllowed = reader.ReadBoolean(); //3.0.0 - 5.4
//m_StreamingMipmaps 2018.2 and up
reader.AlignStream(4);
if (version[0] > 2018 || (version[0] == 2018 && version[1] >= 2)) //2018.2 and up
{
var m_StreamingMipmapsPriority = reader.ReadInt32();
}
else if (preloadData.HasStructMember("m_StreamingMipmapsPriority")) //will fix in some patch version bundle
{
var m_StreamingMipmapsPriority = reader.ReadInt32();
}
m_ImageCount = reader.ReadInt32();
m_TextureDimension = reader.ReadInt32();
//m_TextureSettings
m_FilterMode = reader.ReadInt32();
m_Aniso = reader.ReadInt32();
m_MipBias = reader.ReadSingle();
if (version[0] >= 2017)//2017.x and up
{
int m_WrapU = reader.ReadInt32();
int m_WrapV = reader.ReadInt32();
int m_WrapW = reader.ReadInt32();
}
else
{
m_WrapMode = reader.ReadInt32();
}
if (version[0] >= 3)
{
m_LightmapFormat = reader.ReadInt32();
if (version[0] >= 4 || version[1] >= 5)//3.5.0 and up
{
m_ColorSpace = reader.ReadInt32();
}
}
image_data_size = reader.ReadInt32();
if (image_data_size == 0 && ((version[0] == 5 && version[1] >= 3) || version[0] > 5))//5.3.0 and up
{
offset = reader.ReadUInt32();
size = reader.ReadUInt32();
image_data_size = (int)size;
path = reader.ReadAlignedString();
}
if (readSwitch)
{
if (!string.IsNullOrEmpty(path))
{
var resourceFileName = Path.GetFileName(path);
var resourceFilePath = Path.GetDirectoryName(sourceFile.filePath) + "\\" + resourceFileName;
if (!File.Exists(resourceFilePath))
{
var findFiles = Directory.GetFiles(Path.GetDirectoryName(sourceFile.filePath), resourceFileName, SearchOption.AllDirectories);
if (findFiles.Length > 0)
{
resourceFilePath = findFiles[0];
}
}
if (File.Exists(resourceFilePath))
{
using (var resourceReader = new BinaryReader(File.OpenRead(resourceFilePath)))
{
resourceReader.BaseStream.Position = offset;
image_data = resourceReader.ReadBytes(image_data_size);
}
}
else
{
if (Studio.resourceFileReaders.TryGetValue(resourceFileName.ToUpper(), out var resourceReader))
{
resourceReader.Position = offset;
image_data = resourceReader.ReadBytes(image_data_size);
}
else
{
MessageBox.Show($"can't find the resource file {resourceFileName}");
}
}
}
else
{
image_data = reader.ReadBytes(image_data_size);
}
}
else
{
preloadData.InfoText = $"Width: {m_Width}\nHeight: {m_Height}\nFormat: {m_TextureFormat}";
switch (m_FilterMode)
{
case 0: preloadData.InfoText += "\nFilter Mode: Point "; break;
case 1: preloadData.InfoText += "\nFilter Mode: Bilinear "; break;
case 2: preloadData.InfoText += "\nFilter Mode: Trilinear "; break;
}
preloadData.InfoText += $"\nAnisotropic level: {m_Aniso}\nMip map bias: {m_MipBias}";
switch (m_WrapMode)
{
case 0: preloadData.InfoText += "\nWrap mode: Repeat"; break;
case 1: preloadData.InfoText += "\nWrap mode: Clamp"; break;
}
preloadData.Text = m_Name;
if (!string.IsNullOrEmpty(path))
preloadData.fullSize = preloadData.Size + (int)size;
}
}
}
public enum TextureFormat
{
Alpha8 = 1,
ARGB4444,
RGB24,
RGBA32,
ARGB32,
RGB565 = 7,
R16 = 9,
DXT1,
DXT5 = 12,
RGBA4444,
BGRA32,
RHalf,
RGHalf,
RGBAHalf,
RFloat,
RGFloat,
RGBAFloat,
YUY2,
RGB9e5Float,
BC4 = 26,
BC5,
BC6H = 24,
BC7,
DXT1Crunched = 28,
DXT5Crunched,
PVRTC_RGB2,
PVRTC_RGBA2,
PVRTC_RGB4,
PVRTC_RGBA4,
ETC_RGB4,
ATC_RGB4,
ATC_RGBA8,
EAC_R = 41,
EAC_R_SIGNED,
EAC_RG,
EAC_RG_SIGNED,
ETC2_RGB,
ETC2_RGBA1,
ETC2_RGBA8,
ASTC_RGB_4x4,
ASTC_RGB_5x5,
ASTC_RGB_6x6,
ASTC_RGB_8x8,
ASTC_RGB_10x10,
ASTC_RGB_12x12,
ASTC_RGBA_4x4,
ASTC_RGBA_5x5,
ASTC_RGBA_6x6,
ASTC_RGBA_8x8,
ASTC_RGBA_10x10,
ASTC_RGBA_12x12,
ETC_RGB4_3DS,
ETC_RGBA8_3DS,
RG16,
R8,
ETC_RGB4Crunched,
ETC2_RGBA8Crunched,
}
}