private void ExportTexture(Texture2D texture, ExportTextureFormat format, AssetImage asset, bool canCopy)
{
// force PNG if alpha??
string sourcePath = AssetDatabase.GetAssetPath(asset.Texture);
string sourceExtension = Path.GetExtension(sourcePath);
bool forceConversion = room.TextureForceReExport && !JanusUtil.IgnoreReExport(sourcePath);
string rootDir = room.RootFolder;
if (!forceConversion && canCopy && JanusUtil.SupportsImageFormat(sourceExtension))
{
asset.src = asset.src + sourceExtension;
if (room.ExportOnlyHtml)
{
return;
}
string texPath = Path.Combine(rootDir, asset.src);
File.Copy(sourcePath, texPath, true);
}
else
{
try
{
asset.src = asset.src + JanusUtil.GetImageExtension(format);
if (room.ExportOnlyHtml)
{
return;
}
string texPath = Path.Combine(rootDir, asset.src);
using (Stream output = File.OpenWrite(texPath))
{
TempTextureData data = TextureUtil.LockTexture(texture, sourcePath);
TextureUtil.ExportTexture(texture, output, format, room.TextureData, false);
TextureUtil.UnlockTexture(data);
}
}
catch
{
Debug.LogError("Failure exporting texture " + asset.id);
}
}
}
public static TempTextureData LockTexture(Texture texture, string path)
{
if (string.IsNullOrEmpty(path))
{
TempTextureData da = new TempTextureData();
da.empty = true;
return(da);
}
TextureImporter importer = (TextureImporter)TextureImporter.GetAtPath(path);
TempTextureData data = new TempTextureData();
#if UNITY_5_5_OR_NEWER
TextureImporterPlatformSettings settings = importer.GetPlatformTextureSettings("Standalone");
data.settings = settings;
data.textureCompression = importer.textureCompression;
#else
data.format = importer.textureFormat;
#endif
data.isReadable = importer.isReadable;
data.alphaIsTransparency = importer.alphaIsTransparency;
data.path = path;
#if UNITY_5_5_OR_NEWER
if (!importer.isReadable || importer.textureCompression != TextureImporterCompression.Uncompressed)
#else
if (!importer.isReadable || importer.textureFormat != TextureImporterFormat.ARGB32)
#endif
{
importer.isReadable = true;
#if UNITY_5_5_OR_NEWER
importer.textureCompression = TextureImporterCompression.Uncompressed;
#else
importer.textureFormat = TextureImporterFormat.ARGB32;
#endif
data.changed = true;
AssetDatabase.Refresh();
AssetDatabase.ImportAsset(path);
}
return(data);
}
public static void UnlockTexture(TempTextureData data)
{
if (data.empty)
{
return;
}
if (data.changed)
{
TextureImporter importer = (TextureImporter)TextureImporter.GetAtPath(data.path);
importer.isReadable = data.isReadable;
#if UNITY_5_5_OR_NEWER
importer.textureCompression = data.textureCompression;
#else
importer.textureFormat = data.format;
#endif
AssetDatabase.Refresh();
AssetDatabase.ImportAsset(data.path);
}
}