Basic Entity hierarchy sync

GlitchyEditor/EditorUI/BeefProj.toml

@@ -9,5 +9,5 @@ StartupObject = "EditorUI.Program"
 BuildKind = "StaticLib"
 BuildCommandsOnCompile = "IfFilesChanged"
 BuildCommandsOnRun = "IfFilesChanged"
-PreBuildCmds = ["npm run build"]
+PreBuildCmds = ["npm run build:debug"]
 PostBuildCmds = ["CopyToDependents(\"$(ProjectDir)/dist\")"]

GlitchyEditor/EditorUI/package.json

@@ -6,6 +6,7 @@
   "scripts": {
     "dev": "vite",
     "build": "tsc -b && vite build",
+    "build:debug": "tsc -b && vite --config vite.config.debug.ts build",
     "lint": "eslint .",
     "preview": "vite preview"
   },

GlitchyEditor/EditorUI/src/Components/Menu.css

@@ -14,7 +14,7 @@
 
 	align-items: center;
 
-	--menu-item-height: 2em;
+	--menu-item-height: 1.5em;
 }
 
 /* Remove indentation from lists for menu */
@@ -25,7 +25,7 @@
 .menu-item
 {
 	/* Doesn't change our position, but does something to it, so that
-	 following absolutes are absolute to us? */
+	 following absolutes are relative to us? */
 	position: relative;
 	height: var(--menu-item-height);
 }
@@ -105,6 +105,7 @@
 	background-color: var(--menu-bar-background-color-click);
 	list-style: none;
 	z-index: 10;
+	height: min-content;
 }
 
 /* Show submenu */

GlitchyEditor/EditorUI/src/EngineGlue.ts

@@ -1,4 +1,7 @@
-export interface IEngineGlue {
+import { Entity } from "./Entity.ts";
+
+export interface IEngineGlue
+{
 	// Titlebar Events
 	handleClickCloseWindow(): void;
 	handleClickMaximizeWindow(): void;
@@ -9,6 +12,9 @@
 	handleHoverNonClientArea(hover: boolean): void;
 
 	onClickCreateEmptyEntity(): void;
+
+	requestEntityHierarchyUpdate(): void;
+	onUpdateEntities?: (entities: Entity[]) => void;
 }
 
 function logNotImplemented(functionName: string)
@@ -54,19 +60,38 @@ class DevEngineGlue implements IEngineGlue {
 	{
 		logNotImplemented("onClickCreateEmptyEntity");
 	}
+
+	requestEntityHierarchyUpdate(): void
+	{
+		logNotImplemented("requestEntityHierarchyUpdate");
+	}
+
+	private callFromEngine_updateEntities(entities: Entity[]): void
+	{
+		console.log("Yeah!")
+
+		if (EngineGlue.onUpdateEntities)
+		{
+			EngineGlue.onUpdateEntities(entities);
+		}
+		else
+		{
+			logNotImplemented("onUpdateEntities");
+		}
+	}
 }
 
-// Globales Objekt deklarieren
-declare global {
-	interface Window {
+declare global
+{
+	interface Window
+	{
 		EngineGlue: IEngineGlue;
 	}
 }
 
-// Initialisierung: DevEngineGlue als Fallback setzen wenn noch kein EngineGlue existiert
-if (typeof window.EngineGlue === 'undefined') {
+if (typeof window.EngineGlue === 'undefined')
+{
 	window.EngineGlue = new DevEngineGlue();
 }
 
-// Export für einfacheren Zugriff in der Anwendung
 export const EngineGlue: IEngineGlue = window.EngineGlue;

GlitchyEditor/EditorUI/src/Entity.ts

@@ -0,0 +1,16 @@
+export type EntityId = number;
+
+export class Entity
+{
+	name: string;
+	id: EntityId;
+	visible: boolean = true;
+	children: EntityId[];
+
+	constructor(name: string, key: number, children: EntityId[] = [])
+	{
+		this.name = name;
+		this.id = key;
+		this.children = children;
+	}
+}

GlitchyEditor/EditorUI/src/Windows/EntityHierarchyWindow.tsx

@@ -2,7 +2,7 @@
 import {MenuBar, MenuItem} from "../Components/Menu.tsx";
 
 import "./EntityHierarchyWindow.css";
-import {MouseEventHandler, ReactElement, MouseEvent} from "react";
+import {MouseEvent, MouseEventHandler, ReactElement, useEffect} from "react";
 
 import IconVisible from "../assets/Icons/AntDesign/eye-visible.svg";
 import IconInvisible from "../assets/Icons/AntDesign/eye-invisible.svg";
@@ -10,47 +10,61 @@ import {Updater, useImmer} from "use-immer";
 
 import {EngineGlue} from "../EngineGlue";
 
-type EntityId = number;
+import {enableMapSet} from "immer"
+import {Entity, EntityId} from "../Entity.ts";
 
-class Entity
-{
-	name: string;
-	id: EntityId;
-	visible: boolean = true;
-	children: EntityId[];
-
-	constructor(name: string, key: number, children: EntityId[] = [])
-	{
-		this.name = name;
-		this.id = key;
-		this.children = children;
-	}
-}
+enableMapSet()
 
 type EntityMap = {
-	selectedIds: EntityId[];
+	selectedIds: Set<EntityId>;
 	[id: EntityId]: Entity;
 };
 
 const entityHierarchy: EntityMap = {
-	selectedIds: [],
-
-	0: new Entity("Entity Root", 0, [1, 4]),
-	1: new Entity("Entity Entity 1", 1, [2, 3]),
-	2: new Entity("Entity Entity 1.1", 2),
-	3: new Entity("Entity Entity 1.2", 3),
-	4: new Entity("Entity Entity 2", 4, [5, 6]),
-	5: new Entity("Entity Entity 2.1", 5),
-	6: new Entity("Entity Entity 2.2", 6, [7]),
-	7: new Entity("Entity Entity 2.2.1", 7, [8, 9]),
-	8: new Entity("Entity Entity 2.2.1.1", 8),
-	9: new Entity("Entity Entity 2.2.1.2", 9)
+	selectedIds: new Set<EntityId>(),
+	// 0 is hardcoded to be the root. The editor must provide this "pseudo"-entity.
+	0: new Entity("Root", 0, [])
 };
 
 export default function EntityHierarchyWindow(props: IDockviewPanelProps)
 {
 	const [entities, updateEntities] = useImmer(entityHierarchy);
 
+	useEffect(() => {
+		EngineGlue.onUpdateEntities = (entities: Entity[]) => {
+			updateEntities(draft => {
+				try
+				{
+					for (const entity of entities)
+					{
+						// console.log(`${entity.id}: "${entity.name ?? "deleted"}",
+						// ${entity.visible ? "Visible" : "Invisible"}, ${entity.children.length} Children: [${entity.children}]`)
+
+						if (entity.name === "undefined")
+						{
+							delete draft[entity.id];
+							draft.selectedIds.delete(entity.id);
+						}
+						else
+						{
+							draft[entity.id] = entity;
+						}
+					}
+				}
+				catch (e)
+				{
+					console.log(`Failed to update entities: ${e}`);
+				}
+			});
+		};
+
+		EngineGlue.requestEntityHierarchyUpdate();
+
+		return () => {
+			delete EngineGlue.onUpdateEntities;
+		};
+	}, [updateEntities]);
+
 	return (
 		<>
 			<MenuBar>
@@ -83,7 +97,6 @@ export default function EntityHierarchyWindow(props: IDockviewPanelProps)
 				<input className="filterEntities" placeholder="Filter entities..."/>
 			</MenuBar>
 			<EntityTree items={entities} updateItems={updateEntities}/>
-			<button className="title-bar__button close" onClick={EngineGlue.handleClickCloseWindow}>🗙</button>
 		</>
 	);
 }
@@ -94,7 +107,7 @@ function EntityTreeItem({item, allEntities, updateEntities}: {
 {
 	//const [isOpen, setOpen] = useState(false);
 
-	const isSelected = allEntities.selectedIds.includes(item.id);
+	const isSelected = allEntities.selectedIds.has(item.id);
 	//const isVisible = allEntities[item.id].visible;
 
 	function handleClick(event: MouseEvent)
@@ -103,11 +116,11 @@ function EntityTreeItem({item, allEntities, updateEntities}: {
 		updateEntities(draft => {
 			if (isSelected)
 			{
-				draft.selectedIds = allEntities.selectedIds.filter((id) => {return id != item.id});
+				draft.selectedIds.delete(item.id);
 			}
 			else
 			{
-				draft.selectedIds.push(item.id);
+				draft.selectedIds.add(item.id);
 			}
 		});
 
@@ -180,9 +193,12 @@ function EntityTree({items, updateItems}: { items: EntityMap, updateItems: Updat
 		<ul className="tree-view">
 			{
 				items[0].children.map((childId) => {
-				const entity: Entity = items[childId];
+					const entity: Entity = items[childId];
 
-				return <EntityTreeItem key={entity.id} item={entity} allEntities={items} updateEntities={updateItems} />;
+					if (entity === undefined)
+						return;
+
+					return <EntityTreeItem key={entity.id} item={entity} allEntities={items} updateEntities={updateItems} />;
 				})
 			}
 		</ul>

GlitchyEditor/EditorUI/src/Windows/MainWindow.css

@@ -52,7 +52,7 @@
 {
 	display: flex;
 	grid-area: title;
-	height: 3em;
+	height: 2em;
 	align-items: center;
 }
 

GlitchyEditor/EditorUI/vite.config.debug.ts

@@ -0,0 +1,25 @@
+import { defineConfig } from 'vite'
+import react from '@vitejs/plugin-react'
+
+export default defineConfig(({ mode }) => {
+    const isDebug = mode === 'debug'
+
+    return {
+        plugins: [react()],
+        base: "./",
+        build: {
+            target: "es2015",
+            minify: false,
+            terserOptions: undefined,
+            rollupOptions: {
+                preserveModules: true,
+                output: {
+                    dir: 'dist',
+                    entryFileNames: '[name].js',
+                    chunkFileNames: '[name].js',
+                    assetFileNames: '[name].[ext]'
+                }
+            }
+        }
+    }
+})

GlitchyEditor/src/Ultralight/UltralightMainWindow.bf

@@ -1,6 +1,10 @@
 using Ultralight.CAPI;
 using System;
 using GlitchyEngine;
+using GlitchyEngine.Collections;
+using GlitchyEngine.World;
+using System.Collections;
+using GlitchyEngine.Core;
 using static GlitchyEngine.UI.Window;
 
 namespace GlitchyEditor.Ultralight;
@@ -12,6 +16,253 @@ class UltralightMainWindow : UltralightWindow
 
 	}
 
+	public override void Update()
+	{
+		UpdateEntityHierarchy();
+	}
+
+	struct EntityEntry : IDisposable
+	{
+		public Entity Entity;
+		public String Name;
+		public UUID ParentId;
+		public List<UUID> Children;
+		public bool Visible;
+
+		public this(Entity entity, StringView name, UUID parentId, bool visible)
+		{
+			Entity = entity;
+			Name = new String(name);
+			ParentId = parentId;
+			Children = new List<UUID>();
+			Visible = visible;
+		}
+
+		public void Dispose()
+		{
+			delete Name;
+			delete Children;
+		}
+	}
+
+	Dictionary<UUID, EntityEntry> _entities = new .() ~ DeleteDictionaryAndDisposeValues!(_);
+
+	bool _forceEntityHierarchyRebuild = false;
+
+	enum Operation
+	{
+		None,
+		Add,
+		Delete,
+		Modify
+	}
+
+	private void UpdateEntityHierarchy()
+	{
+		if (DoStuffFunction == null)
+		{
+			Log.EngineLogger.Error($"{nameof(DoStuffFunction)} is null, skipping entity hierarchy update.");
+			return;
+		}
+
+		Dictionary<UUID, Operation> updates = scope .();
+		GetEntityUpdates(updates);
+		SendUpdateToUI(updates);
+	}
+
+	private void GetEntityUpdates(Dictionary<UUID, Operation> updates)
+	{
+		Scene scene = Editor.Instance.CurrentScene;
+
+		// If we have no root, or the scene changed, rebuild the entire tree
+		if (_forceEntityHierarchyRebuild || !_entities.ContainsKey(.Zero) || scene != _entities[.Zero].Entity.Scene)
+		{
+			_forceEntityHierarchyRebuild = false;
+
+			ClearDictionaryAndDisposeValues!(_entities);
+
+			_entities.Add(.Zero, EntityEntry(Entity(.InvalidEntity, scene), "Root", .Zero, true));
+		}
+
+		// TODO: entity.EditorFlags.HasFlag(.HideInHierarchy)
+
+		EntityEntry AddEntity(Entity entity)
+		{
+			UUID entityId = entity.UUID;
+
+			if (!_entities.TryGetValue(entityId, var entry))
+			{
+				Entity? parent = entity.Parent;
+
+				entry = EntityEntry(entity, entity.Name, parent?.UUID ?? .Zero, !entity.EditorFlags.HasFlag(.HideInScene));
+
+				_entities.Add(entityId, entry);
+				updates[entityId] = .Add;
+
+				//if (parent != null)
+				//{
+				UUID parentId = parent?.UUID ?? .Zero;
+
+				if (!_entities.TryGetValue(parentId, var parentEntry))
+				{
+					parentEntry = AddEntity(parent.Value);
+				}
+				else
+				{
+					updates[parentId] = .Modify;
+				}
+
+				parentEntry.Children.Add(entityId);
+				//}
+			}
+
+			return entry;
+		}
+
+		for (let (entityId, entityEntry) in ref _entities)
+		{
+			// Root node isn't a real entity
+			if (entityId == .Zero)
+				continue;
+
+			if (scene.GetEntityByID(entityId) case .Ok(let sceneEntity))
+			{
+				bool changed = false;
+
+				if (entityEntry.Name != sceneEntity.Name)
+				{
+					entityEntry.Name.Set(sceneEntity.Name);
+					changed = true;
+				}
+
+				Entity? parentEntity = sceneEntity.Parent;
+				UUID newParentEntityId = parentEntity?.UUID ?? .Zero;
+				UUID oldParentEntityId = entityEntry.ParentId;
+
+				if (oldParentEntityId != newParentEntityId)
+				{
+					if (!_entities.TryGetValue(newParentEntityId, var newParentEntry))
+					{
+						newParentEntry = AddEntity(parentEntity.Value);
+					}
+					newParentEntry.Children.Add(entityId);
+					updates[newParentEntityId] = .Modify;
+					
+					if (_entities.TryGetValue(oldParentEntityId, var oldParentEntry))
+					{
+						oldParentEntry.Children.Remove(entityId);
+						updates[oldParentEntityId] = .Modify;
+					}
+
+					entityEntry.ParentId = newParentEntityId;
+					changed = true;
+				}
+
+				if (changed)
+				{
+					updates[entityId] = .Modify;
+				}
+			}
+			else
+			{
+				entityEntry.Dispose();
+
+				_entities.Remove(entityId);
+				updates[entityId] = .Delete;
+			}
+		}
+
+		for (EcsEntity entityId in scene.GetEntities())
+		{
+			let entity = Entity(entityId, scene);
+
+			AddEntity(entity);
+		}
+	}
+
+	private void SendUpdateToUI(Dictionary<UUID, Operation> updates)
+	{
+		if (updates.Count == 0)
+			return;
+
+		JSContextRef context = ulViewLockJSContext(_view);
+		defer ulViewUnlockJSContext(_view);
+		
+		JSStringRef nameProperty = JSStringCreateWithUTF8CString("name");
+		JSStringRef idProperty = JSStringCreateWithUTF8CString("id");
+		JSStringRef visibleProperty = JSStringCreateWithUTF8CString("visible");
+		JSStringRef childrenProperty = JSStringCreateWithUTF8CString("children");
+		defer JSStringRelease(nameProperty);
+		defer JSStringRelease(idProperty);
+		defer JSStringRelease(visibleProperty);
+		defer JSStringRelease(childrenProperty);
+		
+		JSObjectRef jsArray = JSObjectMakeArray(context, 0, null, null);
+
+		uint32 index = 0;
+		for (let (entityId, operation) in updates)
+		{
+			if (operation == .None)
+			{
+				continue;
+			}
+
+			JSObjectRef jsEntity = JSObjectMake(context, null, null);
+			
+			/*
+			name: string;
+			id: EntityId;
+			visible: boolean = true;
+			children: EntityId[];
+			*/
+
+			JSValueRef idObject = JSValueMakeNumber(context, (double)(uint64)entityId);
+			JSObjectSetProperty(context, jsEntity, idProperty, idObject, 0, null);
+
+			if (operation != .Delete)
+			{
+				EntityEntry entry = _entities[entityId];
+			
+				JSStringRef entityName = JSStringCreateWithUTF8CString(entry.Name);
+				JSValueRef nameObject = JSValueMakeString(context, entityName);
+				JSStringRelease(entityName);
+
+				JSObjectSetProperty(context, jsEntity, nameProperty, nameObject, 0, null);
+
+				JSValueRef visibleObject = JSValueMakeBoolean(context, true);
+				JSObjectSetProperty(context, jsEntity, visibleProperty, visibleObject, 0, null);
+
+				JSObjectRef childrenArray = JSObjectMakeArray(context, 0, null, null);
+
+				for (let childId in entry.Children)
+				{
+					JSValueRef childIdObject = JSValueMakeNumber(context, (double)(uint64)childId);
+					JSObjectSetPropertyAtIndex(context, childrenArray, (uint32)@childId.Index, childIdObject, null);
+				}
+
+				JSObjectSetProperty(context, jsEntity, childrenProperty, childrenArray, 0, null);
+			}
+
+			JSObjectSetPropertyAtIndex(context, jsArray, index, jsEntity, null);
+			index++;
+		}
+
+		JSValueRef exception = null;
+		DoStuffFunction(context, Span<JSValueRef>(&jsArray, 1), &exception);
+
+		if (exception != null)
+		{
+			/*if (JSValueIsString(context, exception))
+			{
+				Log.EngineLogger.Error($"Failed to update entities: {StringView(JsStringGet)}");
+			}
+			else
+			{*/
+				Log.EngineLogger.Error("Failed to update entities.");
+			//}
+		}
+	}
+
 	private bool _hoveringNonClientArea;
 
 	void HandleHoverNonClientArea(JSContextRef context, JSObjectRef thisObject, Span<JSValueRef> arguments, JSValueRef* exception = null)
@@ -70,6 +321,33 @@ class UltralightMainWindow : UltralightWindow
 		JSStringRelease(name);
 	}
 
+	private JsFunctionCall DoStuffFunction;
+
+	delegate JSValueRef JsFunctionCall(JSContextRef context, Span<JSValueRef> arguments, JSValueRef* exception);
+
+	private JsFunctionCall GetJsCallbackDelegate(JSContextRef context, JSObjectRef object, StringView functionName)
+	{
+		JSStringRef functionNameString = JSStringCreateWithUTF8CString(functionName.ToScopeCStr!());
+		defer JSStringRelease(functionNameString);
+		
+		JSValueRef func = JSObjectGetProperty(context, object, functionNameString, null);
+
+		if (!JSValueIsObject(context, func))
+		{
+			return null;
+		}
+
+		JSObjectRef functionObject = JSValueToObject(context, func, null);
+
+		if (functionObject == null || !JSObjectIsFunction(context, functionObject))
+		{
+			return null;
+		}
+		
+		return new (c, args, ex) => {
+			return JSObjectCallAsFunction(c, functionObject, object, (uint32)args.Length, args.Ptr, ex);
+		};
+	}
 
 	private void RegisterEngineGlueFunctions()
 	{
@@ -98,6 +376,10 @@ class UltralightMainWindow : UltralightWindow
 		RegisterBeefFunction(context, scriptGlue, "handleClickMaximizeWindow", new:stdAlloc (c, t, a, e) => { _window.ToggleMaximize(); });
 		RegisterBeefFunction(context, scriptGlue, "handleClickMinimizeWindow", new:stdAlloc (c, t, a, e) => { _window.Minimize(); });
 		RegisterBeefFunction(context, scriptGlue, "handleClickCloseWindow", new:stdAlloc (c, t, a, e) => { _window.Close(); });
+
+		RegisterBeefFunction(context, scriptGlue, "requestEntityHierarchyUpdate", new:stdAlloc (c, t, a, e) => { _forceEntityHierarchyRebuild = true; });
+
+		DoStuffFunction = GetJsCallbackDelegate(context, scriptGlue, "callFromEngine_updateEntities");
 	}
 
 	protected override void OnDOMReady(C_View* caller, uint64 frame_id, bool is_main_frame, C_String* url)

GlitchyEditor/src/Ultralight/UltralightWindow.bf

@@ -112,10 +112,28 @@ abstract class UltralightWindow
 		Blit.Blit(_texture, _window.SwapChain.BackBuffer, viewport: _window.SwapChain.BackbufferViewport);
 	}
 
+	public virtual void Update() { }
+
 	public void Render()
 	{
 		CopyToImmediateTexture();
 		CopyToBackBuffer();
+
+		if (Input.IsKeyPressing(Key.A))
+		{
+			ULString str = ulCreateString("window.updateEntities([])");
+			ULString exception = null;
+			ulViewEvaluateScript(_view, str, &exception);
+
+			if (exception != null && ulStringGetLength(exception) != 0)
+			{
+				StringView ex = StringView(ulStringGetData(exception), ulStringGetLength(exception));
+
+				Log.EngineLogger.Error($"Failed to evaluate script: {ex}");
+			}
+
+			ulDestroyString(str);
+		}
 	}
 
 	private void CreateTexture()

GlitchyEditor/src/UltralightLayer.bf

@@ -77,6 +77,7 @@ class UltralightLayer : Layer
 
 		for (var window in _windows)
 		{
+			window.Update();
 			window.Render();
 		}
 	}

GlitchyEngine/src/Core/UUID.bf

@@ -56,5 +56,10 @@ namespace GlitchyEngine.Core
 
 			return .Ok;
 		}
+
+		public static explicit operator uint64(UUID id)
+		{
+			return id._uuid;
+		}
 	}
 }

GlitchyEngine/src/Helper.bf

@@ -49,15 +49,39 @@ namespace GlitchyEngine
 			container.Clear();
 		}
 
-		public static mixin DeleteDictionaryAndReleaseValues(var container)
+		public static mixin DeleteDictionaryAndReleaseValues(var dictionary)
 		{
-			if (container != null)
+			if (dictionary != null)
 			{
-				for (var value in container)
+				for (var value in dictionary)
 				{
 					value.value?.ReleaseRef();
 				}
-				delete container;
+				delete dictionary;
+			}
+		}
+		
+		public static mixin ClearDictionaryAndDisposeValues(var dictionary)
+		{
+			if (dictionary != null)
+			{
+				for (var value in dictionary)
+				{
+					value.value?.Dispose();
+				}
+				dictionary.Clear();
+			}
+		}
+
+		public static mixin DeleteDictionaryAndDisposeValues(var dictionary)
+		{
+			if (dictionary != null)
+			{
+				for (var value in dictionary)
+				{
+					value.value?.Dispose();
+				}
+				delete dictionary;
 			}
 		}
 

GlitchyEngine/src/Platform/DX11/Renderer/Dx11Texture.bf

@@ -137,9 +137,9 @@ namespace GlitchyEngine.Renderer
 			if (slices.Length == 0)
 				return .Err;
 
-			if (slices.Length != 1)
+			if (nativeTexture != null && slices.Length != 1)
 			{
-				Runtime.NotImplemented("PlatformSetData(Span<TextureSliceData> slices) with more than 1 slice is not implemented yet.");
+				Runtime.NotImplemented("PlatformSetData(Span<TextureSliceData> slices) with more than 1 slice is not implemented for already created textures.");
 			}	
 
 			if(nativeTexture == null)

GlitchyEngine/src/World/Scene.bf

@@ -1087,6 +1087,11 @@ namespace GlitchyEngine.World
 			}
 		}
 		
+		public WorldEnumerator GetEntities()
+		{
+			return _ecsWorld.Enumerate();
+		}
+
 		public WorldEnumerator<TComponent> GetEntities<TComponent>() where TComponent : struct
 		{
 			return _ecsWorld.Enumerate<TComponent>();