Fix some script bugs

types/asset/assetbatch.d.ts

@@ -31,7 +31,12 @@ interface AssetBatch {
   /** `true` if any entry is in an `ERROR` state. */
   readonly hasError: boolean;
   /**
-   * Blocks until every entry is loaded.
+   * Returns a Promise that resolves when all entries have loaded, or rejects
+   * if any entry errors. Use with `await`.
+   */
+  loaded(): Promise<void>;
+  /**
+   * Blocks (spin-waits) until every entry is loaded.
    * Returns `this` for chaining.
    * @throws If any entry fails to load.
    */

types/asset/assetentry.d.ts

@@ -33,7 +33,12 @@ interface AssetEntry {
   /** Event proxy — subscribe up to 4 callbacks for when loading fails. */
   readonly onError: AssetEventProxy;
   /**
-   * Blocks until the entry reaches `LOADED` (or `ERROR`).
+   * Returns a Promise that resolves when the entry is loaded, or rejects on
+   * error. Use with `await`.
+   */
+  loaded(): Promise<void>;
+  /**
+   * Blocks (spin-waits) until the entry reaches `LOADED` (or `ERROR`).
    * Returns `this` for chaining.
    * @throws If the load fails.
    */

types/asset/asseteventproxy.d.ts

@@ -0,0 +1,23 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ *
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+/**
+ * An event proxy with up to 4 subscribable callback slots (indices 0–3).
+ * Assign a function to subscribe; assign `null` to unsubscribe.
+ *
+ * @example
+ * assets.onLoaded[0] = () => { Console.print('all loaded'); };
+ * assets.onLoaded[0] = null; // unsubscribe
+ */
+interface AssetEventProxy {
+  0: (() => void) | null;
+  1: (() => void) | null;
+  2: (() => void) | null;
+  3: (() => void) | null;
+  /** Number of available slots (always 4). */
+  readonly length: number;
+}

types/entity/component.d.ts

@@ -19,19 +19,11 @@ interface Component {
 }
 
 interface ComponentConstructor {
-  /** Sentinel for an invalid component ID. */
-  readonly INVALID: number;
-
-  readonly POSITION: number;
-  readonly CAMERA: number;
+  readonly POSITION:   number;
+  readonly CAMERA:     number;
   readonly RENDERABLE: number;
-  readonly PHYSICS: number;
-  readonly TRIGGER: number;
-  readonly OVERWORLD: number;
-  readonly PLAYER: number;
-  readonly INTERACTABLE: number;
-  readonly OVERWORLD_CAMERA: number;
-  readonly OVERWORLD_TRIGGER: number;
+  readonly PHYSICS:    number;
+  readonly TRIGGER:    number;
 
   new(): never;
 }

types/index.d.ts

@@ -26,6 +26,7 @@
 /// <reference path="./display/texture.d.ts" />
 
 // asset
+/// <reference path="./asset/asseteventproxy.d.ts" />
 /// <reference path="./asset/assetentry.d.ts" />
 /// <reference path="./asset/assetbatch.d.ts" />
 /// <reference path="./asset/asset.d.ts" />
@@ -41,12 +42,7 @@
 // entity / components
 /// <reference path="./entity/component.d.ts" />
 /// <reference path="./entity/component/camera.d.ts" />
-/// <reference path="./entity/component/interactable.d.ts" />
-/// <reference path="./entity/component/overworld.d.ts" />
-/// <reference path="./entity/component/overworldcamera.d.ts" />
-/// <reference path="./entity/component/overworldtrigger.d.ts" />
 /// <reference path="./entity/component/physics.d.ts" />
-/// <reference path="./entity/component/player.d.ts" />
 /// <reference path="./entity/component/position.d.ts" />
 /// <reference path="./entity/component/renderable.d.ts" />
 /// <reference path="./entity/component/trigger.d.ts" />