static void OnPostprocessAllAssets(string[] importedAssets, string[] deletedAssets, string[] movedAssets, string[] movedFromAssetPaths)
{
foreach (var assetPath in deletedAssets)
{
if (VisualEffectAssetModicationProcessor.HasVFXExtension(assetPath))
{
VisualEffectResource.DeleteAtPath(assetPath);
}
}
if (!allowExternalization)
{
return;
}
HashSet <string> vfxToRefresh = new HashSet <string>();
HashSet <string> vfxToRecompile = new HashSet <string>(); // Recompile vfx if a shader is deleted to replace
foreach (string assetPath in importedAssets.Concat(deletedAssets).Concat(movedAssets))
{
if (assetPath.EndsWith(k_ShaderExt))
{
string shaderDirectory = Path.GetDirectoryName(assetPath);
string vfxName = Path.GetFileName(shaderDirectory);
string vfxPath = Path.GetDirectoryName(shaderDirectory);
if (Path.GetFileName(vfxPath) != k_ShaderDirectory)
{
continue;
}
vfxPath = Path.GetDirectoryName(vfxPath) + "/" + vfxName + VisualEffectResource.Extension;
if (deletedAssets.Contains(assetPath))
{
vfxToRecompile.Add(vfxPath);
}
else
{
vfxToRefresh.Add(vfxPath);
}
}
}
foreach (var assetPath in vfxToRecompile)
{
VisualEffectAsset asset = AssetDatabase.LoadAssetAtPath <VisualEffectAsset>(assetPath);
if (asset == null)
{
continue;
}
// Force Recompilation to restore the previous shaders
VisualEffectResource resource = asset.GetResource();
if (resource == null)
{
continue;
}
resource.GetOrCreateGraph().SetExpressionGraphDirty();
resource.GetOrCreateGraph().RecompileIfNeeded(false, true);
}
foreach (var assetPath in vfxToRefresh)
{
VisualEffectAsset asset = AssetDatabase.LoadAssetAtPath <VisualEffectAsset>(assetPath);
if (asset == null)
{
return;
}
AssetDatabase.ImportAsset(assetPath);
}
}
public void Check_Null_Or_Empty_Path_Not_Imported()
{
Assert.False(VisualEffectAssetModicationProcessor.HasVFXExtension(null));
Assert.False(VisualEffectAssetModicationProcessor.HasVFXExtension(string.Empty));
}
