Initial commit

C#/TSEngine/Core/Assets/assetManager.ts

@@ -0,0 +1,54 @@
+namespace TSE {
+
+    export const MESSAGE_ASSET_LOADER_ASSET_LOADED = "MESSAGE_ASSET_LOADER_ASSET_LOADED::";
+
+    export class AssetManager {
+
+        private static _loaders: IAssetLoader[] = [];
+        private static _loadedAssets: { [name: string]: IAsset } = {};
+
+        private constructor() {}
+
+        public static initialize(): void {
+            this.registerLoader(new ImageAssetLoader());
+            this.registerLoader(new JsonAssetLoader());
+        }
+
+        public static registerLoader(loader: IAssetLoader): void {
+            AssetManager._loaders.push(loader);
+        }
+
+        public static onAssetLoaded(asset: IAsset): void {
+            AssetManager._loadedAssets[asset.name] = asset;
+            Message.send(MESSAGE_ASSET_LOADER_ASSET_LOADED + asset.name, this, asset);
+        }
+
+        public static loadAsset(assetName: string): void {
+            let extention = assetName.split('.').pop().toLowerCase();
+            for (let loader of AssetManager._loaders) {
+                if (loader.supportedExtensions.indexOf(extention) !== -1) {
+                    loader.loadAsset(assetName);
+                    return;
+                }
+            }
+
+            console.warn("Unable to load asset with extention: '" + extention + "'. no loader was found.");
+        }
+
+        public static isAssetLoaded(assetName: string): boolean {
+            return AssetManager._loadedAssets[assetName] !== undefined;
+        }
+
+        public static getAsset(assetName: string): IAsset {
+            if (AssetManager.isAssetLoaded(assetName)) {
+                return AssetManager._loadedAssets[assetName];
+            } else {
+                AssetManager.loadAsset(assetName);
+            }
+
+            return undefined;
+        }
+
+    }
+
+}