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new crunch library after Unity 2017.3

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This commit is contained in:
Perfare
2018-02-27 17:23:15 +08:00
parent b4ce12a9e8
commit ee6c050330
2 changed files with 31 additions and 13 deletions
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29
Unity Studio/Unity Studio Classes/Texture2DConverter.cs
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@ -18,7 +18,10 @@ namespace Unity_Studio
private static extern bool Ponvert(byte[] buffer, IntPtr bmp, int nWidth, int nHeight, int len, int type, int bmpsize, bool fixAlpha);
[DllImport("crunch.dll", CallingConvention = CallingConvention.Cdecl)]
private static extern bool DecompressCRN(byte[] pSrc_file_data, int src_file_size, out IntPtr dxtdata, out int dxtsize);
private static extern bool DecompressCRN(byte[] pSrc_file_data, int src_file_size, out IntPtr uncompressedData, out int uncompressedSize);
[DllImport("crunchunity.dll", CallingConvention = CallingConvention.Cdecl)]
private static extern bool DecompressUnityCRN(byte[] pSrc_file_data, int src_file_size, out IntPtr uncompressedData, out int uncompressedSize);
[DllImport("texgenpack.dll", CallingConvention = CallingConvention.Cdecl)]
private static extern void texgenpackdecode(int texturetype, byte[] texturedata, int width, int height, IntPtr bmp, bool fixAlpha);
@ -318,13 +321,25 @@ namespace Unity_Studio
private void DecompressCRN()
{
if (DecompressCRN(image_data, image_data_size, out IntPtr dxtdata, out int dxtsize))
IntPtr uncompressedData;
int uncompressedSize;
bool result;
if (version[0] > 2017 || (version[0] == 2017 && version[1] >= 3)) //2017.3 and up
{
var dxtbytes = new byte[dxtsize];
Marshal.Copy(dxtdata, dxtbytes, 0, dxtsize);
Marshal.FreeHGlobal(dxtdata);
image_data = dxtbytes;
image_data_size = dxtsize;
result = DecompressUnityCRN(image_data, image_data_size, out uncompressedData, out uncompressedSize);
}
else
{
result = DecompressCRN(image_data, image_data_size, out uncompressedData, out uncompressedSize);
}
if (result)
{
var uncompressedBytes = new byte[uncompressedSize];
Marshal.Copy(uncompressedData, uncompressedBytes, 0, uncompressedSize);
Marshal.FreeHGlobal(uncompressedData);
image_data = uncompressedBytes;
image_data_size = uncompressedSize;
}
}