TextureAsset properties, start of better asset pipeline detection

GlitchyEditor/src/AssetFile.bf

@@ -140,7 +140,9 @@ class AssetFile
 		
 		GenerateAssetHandle();
 
-		var assetPipeline = _contentManager.GetDefaultProcessors(fileExtension);
+		IAssetImporter assetImporter = _contentManager.GetAssetImporter(fileExtension);
+		IAssetProcessor assetProcessor = ?; //_contentManager.GetAssetProcessor(assetImporter.);
+		IAssetExporter assetExporter = ?; //_contentManager.GetAssetProcessor(assetImporter.);
 
 		// TODO!
 		//if (assetPipeline case .Err)
@@ -149,7 +151,7 @@ class AssetFile
 		var assetLoader = _contentManager.GetDefaultAssetLoader(fileExtension);
 		
 		// We don't have a loader -> we don't need a config
-		if (assetLoader == null && assetPipeline case .Err)
+		if (assetLoader == null && assetImporter == null)
 			return;
 
 		if (assetLoader != null)
@@ -162,16 +164,16 @@ class AssetFile
 		}
 
 		_assetConfig.Importer = new String();
-		assetPipeline?.Importer?.GetType()?.GetName(_assetConfig.Importer);
-		_assetConfig.ImporterConfig = assetPipeline?.Importer.CreateDefaultConfig();
+		assetImporter?.GetType()?.GetName(_assetConfig.Importer);
+		_assetConfig.ImporterConfig = assetImporter?.CreateDefaultConfig();
 
 		_assetConfig.Processor = new String();
-		assetPipeline?.Processor?.GetType()?.GetName(_assetConfig.Processor);
-		_assetConfig.ProcessorConfig = assetPipeline?.Processor.CreateDefaultConfig();
+		assetProcessor?.GetType()?.GetName(_assetConfig.Processor);
+		_assetConfig.ProcessorConfig = assetProcessor.CreateDefaultConfig();
 
 		_assetConfig.Exporter = new String();
-		assetPipeline?.Exporter?.GetType()?.GetName(_assetConfig.Exporter);
-		_assetConfig.ExporterConfig = assetPipeline?.Exporter.CreateDefaultConfig();
+		assetExporter?.GetType()?.GetName(_assetConfig.Exporter);
+		_assetConfig.ExporterConfig = assetExporter.CreateDefaultConfig();
 
 		SaveAssetConfig();
 	}

GlitchyEditor/src/Assets/AssetConverter.bf

@@ -5,6 +5,8 @@ using System;
 using System.IO;
 using GlitchyEngine.Content;
 using GlitchyEditor.Assets.Processors;
+using System.Threading;
+using System.Threading.Tasks;
 
 namespace GlitchyEditor.Assets;
 
@@ -14,6 +16,8 @@ class AssetConverter
 
 	private EditorContentManager _contentManager;
 
+	private Dictionary<AssetFile, Task> _processingAssets ~ delete _;
+
 	public this(EditorContentManager contentManager)
 	{
 		_contentManager = contentManager;
@@ -21,10 +25,10 @@ class AssetConverter
 
 	public void QueueForProcessing(AssetFile assetFile, bool isBlocking = false)
 	{
-		if (!isBlocking)
-			_queue.Add(assetFile);
-		else
+		if (isBlocking)
 			Process(assetFile);
+		else
+			_queue.Add(assetFile);
 	}
 
 	public void Update()
@@ -44,7 +48,6 @@ class AssetConverter
 	{
 		IAssetImporter importer = _contentManager.GetAssetImporter(assetFile);
 		IAssetProcessor processor = _contentManager.GetAssetProcessor(assetFile);
-		IAssetExporter exporter = _contentManager.GetAssetExporter(assetFile);
 
 		if (importer == null)
 		{
@@ -58,12 +61,6 @@ class AssetConverter
 			return;
 		}
 
-		if (exporter == null)
-		{
-			Log.EngineLogger.Error("Exporter is null!");
-			return;
-		}
-
 		Result<ImportedResource> importResult = importer.Import(assetFile.AssetFile.Path,
 			assetFile.AssetFile.Identifier, assetFile.AssetConfig.ImporterConfig);
 
@@ -75,7 +72,10 @@ class AssetConverter
 
 		defer { delete importResult.Value; }
 
-		Result<ProcessedResource> processResult = processor.Process(importResult.Value, assetFile.AssetConfig.ProcessorConfig);
+		List<ProcessedResource> resources = scope .();
+		defer { ClearAndDeleteItems!(resources); }
+
+		Result<void> processResult = processor.Process(importResult.Value, assetFile.AssetConfig.ProcessorConfig, resources);
 		
 		if (processResult case .Err)
 		{
@@ -83,16 +83,30 @@ class AssetConverter
 			return;
 		}
 
-		defer { delete processResult.Value; }
+		for (ProcessedResource resource in resources)
+		{
+			TrySilent!(ExportResource(assetFile, resource));
+		}
+	}
+
+	private Result<void> ExportResource(AssetFile assetFile, ProcessedResource resource)
+	{
+		IAssetExporter exporter = _contentManager.GetAssetExporter(resource.AssetType);
+
+		if (exporter == null)
+		{
+			Log.EngineLogger.Error($"No exporter for asset type {resource.AssetType}!");
+			return .Err;
+		}
 
 		MemoryStream memoryStream = scope .();
 
-		Result<void> exportResult = exporter.Export(memoryStream, processResult.Value, assetFile.AssetConfig.ExporterConfig);
+		Result<void> exportResult = exporter.Export(memoryStream, resource, assetFile.AssetConfig.ExporterConfig);
 
 		if (exportResult case .Err)
 		{
 			Log.EngineLogger.Error("Failed to export asset!");
-			return;
+			return .Err;
 		}
 
 		CachedAsset assetInfo = scope CachedAsset();
@@ -100,11 +114,14 @@ class AssetConverter
 		assetInfo.CreationTimestamp = DateTime.UtcNow;
 		assetInfo.Compression = assetFile.AssetConfig.ExporterConfig.Compression;
 		assetInfo.AssetIdentifier = new AssetIdentifier(assetFile.AssetFile.Identifier);
-		assetInfo.AssetType = processResult.Value.AssetType;
+		assetInfo.AssetType = resource.AssetType;
 
 		if (_contentManager.AssetCache.SaveAsset(assetInfo, memoryStream.Memory) case .Err)
 		{
 			Log.EngineLogger.Error("Failed to write asset to cache.");
+			return .Err;
 		}
+
+		return .Ok;
 	}
 }

GlitchyEditor/src/Assets/AssetNode.bf

@@ -27,7 +27,7 @@ public class SubAsset
 {
 	public AssetNode Asset;
 	public String Name ~ delete _;
-	//public String AssetInternalPath ~ delete _;
+	public AssetIdentifier Identifier ~ delete _;
 
 	public Texture2D PreviewImage ~ _?.ReleaseRef();
 }

GlitchyEditor/src/Assets/Exporters/TextureExporter.bf

@@ -4,11 +4,14 @@ using GlitchyEngine.Renderer;
 using GlitchyEditor.Assets.Processors;
 using GlitchyEngine;
 using GlitchyEditor.Assets.Importers;
+using GlitchyEngine.Content;
 namespace GlitchyEditor.Assets.Exporters;
 
 
 class TextureExporter : IAssetExporter
 {
+	public static AssetType ExportedAssetType => .Texture;
+
 	public AssetExporterConfig CreateDefaultConfig()
 	{
 		return new AssetExporterConfig();

GlitchyEditor/src/Assets/Importers/Config.bf

@@ -23,13 +23,13 @@ abstract class Config
 		return true;
 	}
 	
-	public abstract void ShowEditor();
+	public abstract void ShowEditor(AssetFile assetFile);
 }
 
 [BonTarget, BonPolyRegister]
 class AssetImporterConfig : Config
 {
-	public override void ShowEditor()
+	public override void ShowEditor(AssetFile assetFile)
 	{
 
 	}
@@ -38,7 +38,7 @@ class AssetImporterConfig : Config
 [BonTarget, BonPolyRegister]
 class AssetProcessorConfig : Config
 {
-	public override void ShowEditor()
+	public override void ShowEditor(AssetFile assetFile)
 	{
 
 	}
@@ -56,7 +56,7 @@ class AssetExporterConfig : Config
 		set => SetIfChanged(ref _compression, value);
 	}
 	
-	public override void ShowEditor()
+	public override void ShowEditor(AssetFile assetFile)
 	{
 		ImGui.PropertyTableStartNewProperty("Compression");
 		ImGui.AttachTooltip("Specifies the compression method used to compress the processed asset.");

GlitchyEditor/src/Assets/Importers/Interfaces.bf

@@ -12,6 +12,9 @@ interface IAssetImporter
 
 	AssetImporterConfig CreateDefaultConfig();
 
+	/// The type that ImportedResource returns.
+	static Type ProcessedAssetType { get; }
+
 	Result<ImportedResource> Import(StringView fullFileName, AssetIdentifier assetIdentifier, AssetImporterConfig config);
 }
 
@@ -19,12 +22,18 @@ interface IAssetProcessor
 {
 	AssetProcessorConfig CreateDefaultConfig();
 	
-	Result<ProcessedResource> Process(ImportedResource importedResource, AssetProcessorConfig config);
+	/// The asset type that this processor can process.
+	static Type ProcessedAssetType { get; }
+
+	Result<void> Process(ImportedResource importedResource, AssetProcessorConfig config, List<ProcessedResource> outProcessedResources);
 }
 
 interface IAssetExporter
 {
 	AssetExporterConfig CreateDefaultConfig();
 
+	/// The asset type that this exporter can export.
+	static AssetType ExportedAssetType { get; }
+
 	Result<void> Export(Stream stream, ProcessedResource processedObject, AssetExporterConfig config);
 }

GlitchyEditor/src/Assets/Importers/TextureImporter.bf

@@ -40,7 +40,7 @@ class TextureImporterConfig : AssetImporterConfig
 		set => SetIfChanged(ref _isSrgb, value);
 	}
 
-	public override void ShowEditor()
+	public override void ShowEditor(AssetFile assetFile)
 	{
 		ImGui.PropertyTableStartNewProperty("Is sRGB");
 		ImGui.AttachTooltip("If checked, the texture will be forced to be imported as sRGB. Refer to the documentation for an detailed explanation what you should do here.");

GlitchyEditor/src/Assets/Processors/TextureProcessor.bf

@@ -5,6 +5,8 @@ using GlitchyEngine.Renderer;
 using GlitchyEngine.Content;
 using GlitchyEngine;
 using ImGui;
+using System.Collections;
+using GlitchyEngine.Math;
 
 namespace GlitchyEditor.Assets.Processors;
 
@@ -16,15 +18,28 @@ enum GenerateMipMaps
 	Kaiser
 }
 
+enum TextureType
+{
+	Texture,
+	Sprite
+}
+
+
 [BonTarget, BonPolyRegister]
 class TextureProcessorConfig : AssetProcessorConfig
 {
 	[BonInclude]
-	private GenerateMipMaps _generateMipMaps;
+	private GenerateMipMaps _generateMipMaps = .No;
 	
 	[BonInclude]
 	private SamplerStateDescription _samplerStateDescription = .();
 	
+	[BonInclude]
+	private TextureType _textureType = .Texture;
+
+	[BonInclude]
+	private List<SpriteDesc> _sprites = new .() ~ DeleteContainerAndItems!(_);
+
 	public GenerateMipMaps GenerateMipMaps
 	{
 		get => _generateMipMaps;
@@ -37,8 +52,63 @@ class TextureProcessorConfig : AssetProcessorConfig
 		set => SetIfChanged(ref _samplerStateDescription, value);
 	}
 	
-	public override void ShowEditor()
+	public TextureType TextureType
 	{
+		get => _textureType;
+		set => SetIfChanged(ref _textureType, value);
+	}
+
+	public List<SpriteDesc> Sprites => _sprites;
+
+	public override void ShowEditor(AssetFile assetFile)
+	{
+		if (ImGui.BeginPopupModal("Apply Changes", null, .AlwaysAutoResize))
+		{
+			ImGui.Text("The changes have to be applied before you can open the sprite editor.\nDo you want to apply the changes and continue?");
+
+			if (ImGui.Button("Apply"))
+			{
+				assetFile.SaveAssetConfig();
+				ImGui.CloseCurrentPopup();
+
+				new SpriteEditor(Editor.Instance, assetFile.AssetConfig.AssetHandle);
+			}
+
+			ImGui.SameLine();
+
+			if (ImGui.Button("Cancel"))
+			{
+				ImGui.CloseCurrentPopup();
+			}
+			
+			ImGui.EndPopup();
+		}
+
+		ImGui.PropertyTableStartNewProperty("Texture Type");
+
+		TextureType textureType = _textureType;
+		if (ImGui.EnumCombo("##textureType", ref textureType))
+		{
+			TextureType = textureType;
+		}
+
+		ImGui.PropertyTableStartNewRow();
+
+		if (textureType == .Sprite)
+		{
+			if (ImGui.Button("Open Sprite Editor..."))
+			{
+				if (_changed)
+				{
+					ImGui.OpenPopup("Apply Changes");
+				}
+				else
+				{
+					new SpriteEditor(Editor.Instance, assetFile.AssetConfig.AssetHandle);
+				}
+			}
+		}
+
 		ImGui.PropertyTableStartNewProperty("Generate Mip Maps", "Specifies the algorithm used to generate mip maps for this texture.");
 
 		ImGui.BeginDisabled();
@@ -157,6 +227,14 @@ class TextureProcessorConfig : AssetProcessorConfig
 	}
 }
 
+public class SpriteDesc
+{
+	public String Name ~ delete _;
+	public int2 TopLeft;
+	public int2 Size;
+	public AssetHandle AssetHandle;
+}
+
 class ProcessedTexture : ProcessedResource
 {
 	public Format PixelFormat = .Unknown;
@@ -276,22 +354,46 @@ class ProcessedTexture : ProcessedResource
 	}
 }
 
+class ProcessedSprite : ProcessedResource
+{
+	public override AssetType AssetType => .Sprite;
+
+	private AssetHandle _texture;
+
+	private int2 _topLeft;
+	private int2 _size;
+
+	public AssetHandle Texture => _texture;
+
+	public int2 TopLeft => _topLeft;
+	public int2 Size => _size;
+
+	public this(AssetIdentifier ownAssetIdentifier, AssetHandle texture, int2 topLeft, int2 size) : base(ownAssetIdentifier)
+	{
+		_texture = texture;
+		_topLeft = topLeft;
+		_size = size;
+	}
+}
+
 class TextureProcessor : IAssetProcessor
 {
+	public static Type ProcessedAssetType => typeof(ImportedTexture);
+
 	public AssetProcessorConfig CreateDefaultConfig()
 	{
 		return new TextureProcessorConfig();
 	}
 
-	public Result<ProcessedResource> Process(ImportedResource importedObject, AssetProcessorConfig config)
+	public Result<void> Process(ImportedResource importedObject, AssetProcessorConfig config, List<ProcessedResource> outProcessedResources)
 	{
 		Log.EngineLogger.AssertDebug(config is TextureProcessorConfig);
 		Log.EngineLogger.AssertDebug(importedObject is ImportedTexture);
 
-		return Try!(ProcessTexture(importedObject as ImportedTexture, config as TextureProcessorConfig));
+		return Try!(ProcessTexture(importedObject as ImportedTexture, config as TextureProcessorConfig, outProcessedResources));
 	}
 
-	private Result<ProcessedTexture> ProcessTexture(ImportedTexture importedTexture, TextureProcessorConfig config)
+	private Result<void> ProcessTexture(ImportedTexture importedTexture, TextureProcessorConfig config, List<ProcessedResource> outProcessedResources)
 	{
 		ProcessedTexture processedTexture = new ProcessedTexture(new AssetIdentifier(importedTexture.AssetIdentifier.FullIdentifier));
 
@@ -322,8 +424,31 @@ class TextureProcessor : IAssetProcessor
 		}
 
 		// TODO: Pack to BC-Format or what ever was selected.
+		if (config.TextureType == .Sprite)
+		{
+		}
 
-		return processedTexture;
+		return .Ok;
+	}
+
+	private void CreateSprites(ProcessedTexture processedTexture, TextureProcessorConfig config, List<ProcessedResource> outProcessedResources)
+	{
+		if (processedTexture.Dimension != .Texture2D)
+		{
+			Log.ClientLogger.Error("Only 2D textures can be used as sprites.");
+			return;
+		}
+
+		if (config.Sprites.Count == 0)
+		{
+			/*ProcessedSprite sprite = new ProcessedSprite(processedTexture.);
+
+			processedTexture.Sprites.Add(new SpriteDesc(){
+				Name = new String("Sprite"),
+				TopLeft = .(0, 0),
+				Size = .((.)processedTexture.Width, (.)processedTexture.Height)
+			});*/
+		}
 	}
 
 	private int CalculateMipMapCount(int width, int height, int depth)

GlitchyEditor/src/Assets/SpriteEditor.bf

@@ -0,0 +1,21 @@
+using System;
+using GlitchyEditor.EditWindows;
+using GlitchyEngine.Content;
+using ImGui;
+
+namespace GlitchyEditor.Assets;
+
+class SpriteEditor : ClosableWindow
+{
+	AssetHandle _assetHandle;
+
+	public this(Editor editor, AssetHandle assetHandle) : base(editor, "Sprite Editor")
+	{
+		_assetHandle = assetHandle;
+	}
+
+	protected override void InternalShow()
+	{
+		ImGui.Text("Nothing to see here, yet...");
+	}
+}

GlitchyEditor/src/EditWindows/InspectorWindow.bf

@@ -137,9 +137,9 @@ class InspectorWindow : EditorWindow
 
 		if (ImGui.BeginPropertyTable("asset_properties", ImGui.GetID("asset_properties")))
 		{
-			assetFile.AssetConfig?.ImporterConfig?.ShowEditor();
-			assetFile.AssetConfig?.ProcessorConfig?.ShowEditor();
-			assetFile.AssetConfig?.ExporterConfig?.ShowEditor();
+			assetFile.AssetConfig?.ImporterConfig?.ShowEditor(assetFile);
+			assetFile.AssetConfig?.ProcessorConfig?.ShowEditor(assetFile);
+			assetFile.AssetConfig?.ExporterConfig?.ShowEditor(assetFile);
 
 			ImGui.EndTable();
 			

GlitchyEditor/src/EditorContentManager.bf

@@ -219,10 +219,14 @@ class EditorContentManager : IContentManager
 	};
 
 	private append List<IAssetImporter> _assetImporters = .() ~ ClearAndDeleteItems!(_);
+	private append Dictionary<StringView, IAssetImporter> _extensionToAssetImporter = .();
 	private append List<IAssetProcessor> _assetProcessors = .() ~ ClearAndDeleteItems!(_);
-	private append List<IAssetExporter> _assetExporters = .() ~ ClearAndDeleteItems!(_);
+	private append Dictionary<Type, IAssetProcessor> _importedResourceToAssetProcessor = .();
+	//private append List<IAssetExporter> _assetExporters = .() ~ ClearAndDeleteItems!(_);
 	private append Dictionary<StringView, (IAssetImporter Importer, IAssetProcessor Processor, IAssetExporter Exporter)> _defaultAssetProcessors = .() ~ delete:append _;
 
+	private append Dictionary<AssetType, IAssetExporter> _assetExporters = .() ~ ClearDictionaryAndDeleteValues!(_);
+
 	public void RegisterAssetLoader<T>() where T : new, class, IAssetLoader
 	{
 		// Log.EngineLogger.AssertDebug(!_assetLoaders.Any((l) => l.GetType() == typeof(T)), "Asset loader already registered.");
@@ -242,7 +246,11 @@ class EditorContentManager : IContentManager
 		_assetImporters.Add(assetImporter);
 
 		for (StringView ext in T.FileExtensions)
-			_supportedExtensions.Add(new String(ext));
+		{
+			String fileExtension = new String(ext);
+			_supportedExtensions.Add(fileExtension);
+			_extensionToAssetImporter.Add(fileExtension, assetImporter);
+		}
 	}
 
 	public void RegisterAssetProcessor<T>() where T : new, class, IAssetProcessor
@@ -256,7 +264,29 @@ class EditorContentManager : IContentManager
 	{
 		T assetExporter = new T();
 
-		_assetExporters.Add(assetExporter);
+		Log.EngineLogger.AssertDebug(_assetExporters.ContainsKey(T.ExportedAssetType), "Cannot register multiple exporters for one asset type.");
+
+		_assetExporters.Add(T.ExportedAssetType, assetExporter);
+	}
+
+	public IAssetImporter GetAssetImporter(StringView fileExtension)
+	{
+		if (_extensionToAssetImporter.TryGetValue(fileExtension, let importer))
+		{
+			return importer;
+		}
+
+		return null;
+	}
+
+	public IAssetImporter GetAssetProcessor(Type importedResourceType)
+	{
+		if (_extensionToAssetImporter.TryGetValue(fileExtension, let importer))
+		{
+			return importer;
+		}
+
+		return null;
 	}
 
 	public void SetAsDefaultAssetLoader<T>(params Span<StringView> fileExtensions) where T : IAssetLoader
@@ -332,14 +362,15 @@ class EditorContentManager : IContentManager
 				}
 			}
 
-			for (var i in _assetExporters)
+			// TODO: How do we get the exporter for the config?
+			/*for (var i in _assetExporters)
 			{
 				if (i.GetType() == typeof(TExport))
 				{
 					exporter = i;
 					break;
 				}
-			}
+			}*/
 
 			_defaultAssetProcessors[foundExtension] = (importer, processor, exporter);
 		}
@@ -756,7 +787,7 @@ class EditorContentManager : IContentManager
 
 		return result;
 	}
-
+	/*
 	public IAssetExporter GetAssetExporter(AssetFile file)
 	{
 		IAssetExporter result = null;
@@ -776,6 +807,16 @@ class EditorContentManager : IContentManager
 
 		return result;
 	}
+	*/
+	public IAssetExporter GetAssetExporter(AssetType assetType)
+	{
+		if (_assetExporters.TryGetValue(assetType, let exporter))
+		{
+			return exporter;
+		}
+
+		return null;
+	}
 
 	public enum SaveAssetError
 	{

GlitchyEngine/src/Content/AssetType.bf

@@ -3,5 +3,6 @@ namespace GlitchyEngine.Content;
 enum AssetType : uint16
 {
 	Unknown,
-	Texture
+	Texture,
+	Sprite
 }