Initial commit

C#/TSEngine/Core/engine.ts

@@ -0,0 +1,71 @@
+namespace TSE {
+
+    /**
+     * The main GameEngine class.
+     * */
+    export class Engine {
+        private _canvas: HTMLCanvasElement;
+        private _shader: Shader;
+        private _projection: Matrix4x4;
+        private _previousTime: number = 0;
+
+        /**
+         * Creates a new Engine.
+         * */
+        public constructor(canvasId: string) {
+            this._canvas = GLUtilities.initialize(canvasId);
+        }
+
+        /**
+         * Starts this Engine.
+         * */
+        public start(): void {
+            AssetManager.initialize();
+            ZoneManager.initialize();
+
+            gl.clearColor(0, 0, 0, 1);
+            gl.enable(gl.BLEND);
+            gl.blendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA);
+
+            //LoadMaterials
+            MaterialManager.registerMaterial(new Material("crate", "/assets/textures/crate.jpg"));
+            MaterialManager.registerMaterial(new Material("goblin", "/assets/textures/goblin.png"));
+
+            //Load Shader
+            this._shader = new BasicShader();
+            this._shader.use();
+
+            //Load
+            this._projection = Matrix4x4.orthographic(0, this._canvas.width, this._canvas.height, 0, -100.0, 100.0);
+            ZoneManager.changeZone(0);
+
+            this.loop();
+        }
+
+        private loop(): void {
+            let delta = performance.now() - this._previousTime;
+
+            MessageBus.update(delta);
+            ZoneManager.update(delta);
+
+            this._previousTime = performance.now();
+
+            gl.clear(gl.COLOR_BUFFER_BIT);
+
+            ZoneManager.render(this._shader);
+
+            //Set Uniforms
+            let projectionPosition = this._shader.getUniformLocation("u_projection");
+            gl.uniformMatrix4fv(projectionPosition, false, new Float32Array(this._projection.data));
+
+            requestAnimationFrame(this.loop.bind(this));
+        }
+
+        public resize(): void {
+            this._projection = Matrix4x4.orthographic(0, this._canvas.width, this._canvas.height, 0, -100.0, 100.0);
+            gl.viewport(0, 0, this._canvas.width, this._canvas.height);
+        }
+
+    }
+
+}