Initial commit

C#/TSEngine/Core/Graphics/textureManager.ts

@@ -0,0 +1,44 @@
+namespace TSE {
+
+    class TextureReferenceNode {
+
+        public texture: Texture;
+        public referenceCount: number = 1;
+
+        public constructor(texture: Texture) {
+            this.texture = texture;
+        }
+
+    }
+
+    export class TextureManager {
+
+        private static _textures: { [name: string]: TextureReferenceNode } = {};
+
+        private constructor() { }
+
+        public static getTexture(textureName: string): Texture {
+            if (TextureManager._textures[textureName] === undefined)
+                TextureManager._textures[textureName] = new TextureReferenceNode(new Texture(textureName));
+            else
+                TextureManager._textures[textureName].referenceCount++;
+
+            return TextureManager._textures[textureName].texture;
+        }
+
+        public static releaseTexture(textureName: string): void {
+            if (TextureManager._textures[textureName] === undefined) {
+                console.warn(`A Texture named ${textureName} does not exist and cannot be released!`);
+            } else {
+                TextureManager._textures[textureName].referenceCount--;
+                if (TextureManager._textures[textureName].referenceCount < 1) {
+                    TextureManager._textures[textureName].texture.destroy();
+                    TextureManager._textures[textureName] = undefined;
+                    delete TextureManager._textures[textureName];
+                }
+            }
+        }
+
+    }
+
+}