mirror of
https://github.com/crskycode/GARbro.git
synced 2024-12-29 22:34:13 +08:00
335 lines
11 KiB
C#
335 lines
11 KiB
C#
//! \file Texture2D.cs
|
|
//! \date Fri Apr 14 08:20:08 2017
|
|
//! \brief Unity engine texture deserialzer.
|
|
//
|
|
// Copyright (C) 2017 by morkt
|
|
//
|
|
// 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 System;
|
|
using System.Collections;
|
|
using System.IO;
|
|
using System.Windows.Media;
|
|
using GameRes.Formats.DirectDraw;
|
|
using GameRes.Utility;
|
|
|
|
namespace GameRes.Formats.Unity
|
|
{
|
|
enum TextureFormat : int
|
|
{
|
|
Alpha8 = 1,
|
|
ARGB4444 = 2,
|
|
RGB24 = 3,
|
|
RGBA32 = 4,
|
|
ARGB32 = 5,
|
|
R16 = 6, // A 16 bit color texture format that only has a red channel.
|
|
RGB565 = 7,
|
|
DXT1 = 10,
|
|
DXT5 = 12,
|
|
RGBA4444 = 13,
|
|
BGRA32 = 14,
|
|
BC7 = 25,
|
|
DXT1Crunched = 28,
|
|
DXT5Crunched = 29,
|
|
}
|
|
|
|
internal class Texture2D
|
|
{
|
|
public string m_Name;
|
|
public int m_Width;
|
|
public int m_Height;
|
|
public int m_CompleteImageSize;
|
|
public TextureFormat m_TextureFormat;
|
|
public int m_MipCount;
|
|
public bool m_IsReadable;
|
|
public bool m_ReadAllowed;
|
|
public int m_ImageCount;
|
|
public int m_TextureDimension;
|
|
public int m_FilterMode;
|
|
public int m_Aniso;
|
|
public float m_MipBias;
|
|
public int m_WrapMode;
|
|
public int m_LightFormat;
|
|
public int m_ColorSpace;
|
|
public int m_DataLength;
|
|
public byte[] m_Data;
|
|
|
|
public void Load (AssetReader reader)
|
|
{
|
|
m_Name = reader.ReadString();
|
|
reader.Align();
|
|
m_Width = reader.ReadInt32();
|
|
m_Height = reader.ReadInt32();
|
|
m_CompleteImageSize = reader.ReadInt32();
|
|
m_TextureFormat = (TextureFormat)reader.ReadInt32();
|
|
m_MipCount = reader.ReadInt32();
|
|
if (reader.Format > 9)
|
|
{
|
|
m_IsReadable = reader.ReadBool();
|
|
m_ReadAllowed = reader.ReadBool();
|
|
reader.Align();
|
|
}
|
|
m_ImageCount = reader.ReadInt32();
|
|
m_TextureDimension = reader.ReadInt32();
|
|
m_FilterMode = reader.ReadInt32();
|
|
m_Aniso = reader.ReadInt32();
|
|
m_MipBias = reader.ReadFloat();
|
|
m_WrapMode = reader.ReadInt32();
|
|
m_LightFormat = reader.ReadInt32();
|
|
m_ColorSpace = reader.ReadInt32();
|
|
m_DataLength = reader.ReadInt32();
|
|
}
|
|
|
|
public void Load (AssetReader reader, string version)
|
|
{
|
|
if (version != "2017.3.1f1")
|
|
{
|
|
Load (reader);
|
|
if (0 == m_DataLength && version.StartsWith ("2017.")) // "2017.2.0f3" || "2017.1.1p1"
|
|
reader.ReadInt64();
|
|
return;
|
|
}
|
|
m_Name = reader.ReadString();
|
|
reader.Align();
|
|
reader.ReadInt32(); // m_ForcedFallbackFormat
|
|
reader.ReadInt32(); // m_DownscaleFallback
|
|
m_Width = reader.ReadInt32();
|
|
m_Height = reader.ReadInt32();
|
|
m_CompleteImageSize = reader.ReadInt32();
|
|
m_TextureFormat = (TextureFormat)reader.ReadInt32();
|
|
m_MipCount = reader.ReadInt32();
|
|
m_IsReadable = reader.ReadBool();
|
|
reader.Align();
|
|
m_ImageCount = reader.ReadInt32();
|
|
m_TextureDimension = reader.ReadInt32();
|
|
m_FilterMode = reader.ReadInt32();
|
|
m_Aniso = reader.ReadInt32();
|
|
m_MipBias = reader.ReadFloat();
|
|
m_WrapMode = reader.ReadInt32(); // m_WrapU
|
|
reader.ReadInt32(); // m_WrapV
|
|
reader.ReadInt32(); // m_WrapW
|
|
reader.ReadInt32(); // m_LightmapFormat
|
|
m_ColorSpace = reader.ReadInt32();
|
|
m_DataLength = reader.ReadInt32();
|
|
}
|
|
|
|
public void LoadData (AssetReader reader)
|
|
{
|
|
m_Data = reader.ReadBytes (m_DataLength);
|
|
}
|
|
|
|
public void Import (IDictionary fields)
|
|
{
|
|
m_Name = fields["m_Name"] as string ?? "";
|
|
m_Width = (int)(fields["m_Width"] ?? 0);
|
|
m_Height = (int)(fields["m_Height"] ?? 0);
|
|
m_CompleteImageSize = (int)(fields["m_CompleteImageSize"] ?? 0);
|
|
m_TextureFormat = (TextureFormat)(fields["m_TextureFormat"] ?? 0);
|
|
m_MipCount = (int)(fields["m_MipCount"] ?? 0);
|
|
m_ImageCount = (int)(fields["m_ImageCount"] ?? 0);
|
|
m_TextureDimension = (int)(fields["m_TextureDimension"] ?? 0);
|
|
m_IsReadable = (bool)(fields["m_IsReadable"] ?? false);
|
|
m_Data = fields["image data"] as byte[] ?? Array.Empty<byte>();
|
|
}
|
|
}
|
|
|
|
internal class Texture2DDecoder : IImageDecoder
|
|
{
|
|
AssetReader m_reader;
|
|
Texture2D m_texture;
|
|
ImageData m_image;
|
|
|
|
public Stream Source { get { m_reader.Position = 0; return m_reader.Source; } }
|
|
public ImageFormat SourceFormat { get { return null; } }
|
|
public PixelFormat Format { get; private set; }
|
|
public ImageMetaData Info { get; private set; }
|
|
public ImageData Image {
|
|
get {
|
|
if (null == m_image)
|
|
{
|
|
m_image = Unpack();
|
|
}
|
|
return m_image;
|
|
}
|
|
}
|
|
|
|
public Texture2DDecoder (Texture2D texture, AssetReader input)
|
|
{
|
|
m_reader = input;
|
|
m_texture = texture;
|
|
Info = new ImageMetaData {
|
|
Width = (uint)m_texture.m_Width,
|
|
Height = (uint)m_texture.m_Height,
|
|
};
|
|
SetFormat (m_texture.m_TextureFormat);
|
|
}
|
|
|
|
void SetFormat (TextureFormat format)
|
|
{
|
|
switch (format)
|
|
{
|
|
case TextureFormat.Alpha8:
|
|
Format = PixelFormats.Gray8;
|
|
Info.BPP = 8;
|
|
break;
|
|
|
|
case TextureFormat.R16:
|
|
Format = PixelFormats.Gray16;
|
|
Info.BPP = 16;
|
|
break;
|
|
|
|
case TextureFormat.RGB24:
|
|
Format = PixelFormats.Rgb24;
|
|
Info.BPP = 24;
|
|
break;
|
|
|
|
case TextureFormat.RGB565:
|
|
Format = PixelFormats.Bgr565;
|
|
Info.BPP = 16;
|
|
break;
|
|
|
|
default:
|
|
Format = PixelFormats.Bgra32;
|
|
Info.BPP = 32;
|
|
break;
|
|
}
|
|
}
|
|
|
|
ImageData Unpack ()
|
|
{
|
|
m_texture.LoadData (m_reader);
|
|
byte[] pixels;
|
|
switch (m_texture.m_TextureFormat)
|
|
{
|
|
case TextureFormat.DXT1:
|
|
{
|
|
var decoder = new DxtDecoder (m_texture.m_Data, Info);
|
|
pixels = decoder.UnpackDXT1();
|
|
break;
|
|
}
|
|
case TextureFormat.DXT5:
|
|
{
|
|
var decoder = new DxtDecoder (m_texture.m_Data, Info);
|
|
pixels = decoder.UnpackDXT5();
|
|
break;
|
|
}
|
|
case TextureFormat.Alpha8:
|
|
case TextureFormat.R16:
|
|
case TextureFormat.RGB24:
|
|
case TextureFormat.BGRA32:
|
|
case TextureFormat.RGB565:
|
|
pixels = m_texture.m_Data;
|
|
break;
|
|
|
|
case TextureFormat.ARGB32:
|
|
pixels = ConvertArgb (m_texture.m_Data);
|
|
break;
|
|
|
|
case TextureFormat.RGBA32:
|
|
pixels = ConvertRgba (m_texture.m_Data);
|
|
break;
|
|
|
|
case TextureFormat.ARGB4444:
|
|
pixels = ConvertArgb16 (m_texture.m_Data);
|
|
break;
|
|
|
|
default:
|
|
throw new NotImplementedException (string.Format ("Not supported Unity Texture2D format '{0}'.", m_texture.m_TextureFormat));
|
|
}
|
|
return ImageData.CreateFlipped (Info, Format, null, pixels, (int)Info.Width*((Format.BitsPerPixel+7)/8));
|
|
}
|
|
|
|
byte[] ConvertArgb (byte[] data)
|
|
{
|
|
// XXX conversion performed in-place.
|
|
for (int i = 0; i < data.Length; i += 4)
|
|
{
|
|
uint x = BigEndian.ToUInt32 (data, i);
|
|
LittleEndian.Pack (x, data, i);
|
|
}
|
|
return data;
|
|
}
|
|
|
|
byte[] ConvertArgb16 (byte[] data)
|
|
{
|
|
var output = new byte[data.Length * 2];
|
|
int dst = 0;
|
|
for (int i = 0; i < data.Length; i += 2)
|
|
{
|
|
ushort p = LittleEndian.ToUInt16 (data, i);
|
|
output[dst++] = (byte)( (p & 0xF) * 0x11);
|
|
output[dst++] = (byte)(((p >> 4) & 0xF) * 0x11);
|
|
output[dst++] = (byte)(((p >> 8) & 0xF) * 0x11);
|
|
output[dst++] = (byte)(((p >> 12) & 0xF) * 0x11);
|
|
}
|
|
return output;
|
|
}
|
|
|
|
byte[] ConvertRgba (byte[] data)
|
|
{
|
|
for (int i = 0; i < data.Length; i += 4)
|
|
{
|
|
byte r = data[i];
|
|
data[i] = data[i+2];
|
|
data[i+2] = r;
|
|
}
|
|
return data;
|
|
}
|
|
|
|
bool m_disposed = false;
|
|
public void Dispose ()
|
|
{
|
|
if (!m_disposed)
|
|
{
|
|
m_reader.Dispose();
|
|
m_disposed = true;
|
|
}
|
|
}
|
|
}
|
|
/*
|
|
--- Texture2D --- 2017.3.1f1 ---
|
|
string m_Name
|
|
int m_ForcedFallbackFormat
|
|
int m_DownscaleFallback
|
|
int m_Width
|
|
int m_Height
|
|
int m_CompleteImageSize
|
|
int m_TextureFormat
|
|
int m_MipCount
|
|
bool m_IsReadable
|
|
int m_ImageCount
|
|
int m_TextureDimension
|
|
GLTextureSettings m_TextureSettings // sizeof = 0x18
|
|
int m_FilterMode
|
|
int m_Aniso
|
|
float m_MipBias
|
|
int m_WrapU
|
|
int m_WrapV
|
|
int m_WrapW
|
|
int m_LightmapFormat
|
|
int m_ColorSpace
|
|
byte[] image data // int + byte[]
|
|
StreamingInfo m_StreamData
|
|
uint offset
|
|
uint size
|
|
string path
|
|
*/
|
|
}
|