public override void OnEnable()
{
base.OnEnable();
RenderTask = FlaxEngine.Object.New <CustomRenderTask>();
RenderTask.Order = Order;
RenderTask.Render += OnRenderUpdate;
}
/// <inheritdoc />
public override void OnInit()
{
// Create cache folder
if (!Directory.Exists(_cacheFolder))
{
Directory.CreateDirectory(_cacheFolder);
}
// Find atlases in a Editor cache directory
var files = Directory.GetFiles(_cacheFolder, "cache_*.flax", SearchOption.TopDirectoryOnly);
int atlases = 0;
for (int i = 0; i < files.Length; i++)
{
// Load asset
var asset = FlaxEngine.Content.LoadAsync(files[i]);
if (asset == null)
{
continue;
}
// Validate type
if (asset is PreviewsCache atlas)
{
// Cache atlas
atlases++;
_cache.Add(atlas);
}
else
{
// Skip asset
Editor.LogWarning(string.Format("Asset \'{0}\' is inside Editor\'s private directory for Assets Thumbnails Cache. Please move it.", asset.Path));
}
}
Editor.Log(string.Format("Previews cache count: {0} (capacity for {1} icons)", atlases, atlases * PreviewsCache.AssetIconsPerAtlas));
// Prepare at least one atlas
if (_cache.Count == 0)
{
GetValidAtlas();
}
// Create render task but disabled for now
_output = GPUDevice.CreateTexture("ThumbnailsOutput");
var desc = GPUTextureDescription.New2D(PreviewsCache.AssetIconSize, PreviewsCache.AssetIconSize, PreviewsCache.AssetIconsAtlasFormat);
_output.Init(ref desc);
_task = Object.New <CustomRenderTask>();
_task.Order = 50; // Render this task later
_task.Enabled = false;
_task.Render += OnRender;
}
protected override void OnEnable()
{
_context = new RenderingGraphContext
{
Size = Size,
StartIndex = (-Nodes?.Length ?? 0) - 1 // 0 = MainRenderTask
};
// The first render task, happens before everything else
_firstRenderTask = Object.New <CustomRenderTask>();
_firstRenderTask.Order = _context.StartIndex - 1;
_firstRenderTask.Render += OnRenderUpdate;
// Output node
_outputNode = Nodes?.OfType <MainNode>().FirstOrDefault();
// Set additional node data
Nodes.ForEach(n => n.Context = _context);
// Enable everything
base.OnEnable();
}