From b7fec57c0463e58f1ad8db126ff4879f59b057d0 Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Wed, 6 Jan 2016 21:39:15 +0100
Subject: Start implementing input handling

---
 src/control/MapContext.ts | 33 ++++++++++++++++++++++++++++++---
 1 file changed, 30 insertions(+), 3 deletions(-)

(limited to 'src/control')

diff --git a/src/control/MapContext.ts b/src/control/MapContext.ts
index 4bc75c7..df7eff6 100644
--- a/src/control/MapContext.ts
+++ b/src/control/MapContext.ts
@@ -7,6 +7,7 @@ import EntityPosition from '../model/EntityPosition';
 import MapData from '../model/MapData';
 import Position from '../model/Position';
 
+import InputHandler from '../view/InputHandler';
 import MapView from '../view/MapView';
 
 
@@ -16,7 +17,7 @@ export default class MapContext {
         entities: {[key: string]: EntityPosition} = {};
         playerEntity: EntityPosition;
 
-        constructor(public map: MapData) {
+        constructor(private map: MapData, private inputHandler: InputHandler) {
                 this.playerEntity = new EntityPosition(
                         new Entity('square'),
                         new Position(8, 8),
@@ -25,10 +26,36 @@ export default class MapContext {
 
                 this.addEntity(this.playerEntity);
 
-                this.view = new MapView(map, this.entities);
+                this.view = new MapView(map, this.entities, (time: number) => this.updateState(time));
+
+                inputHandler.addListener(() => {
+                        if (this.updateState(performance.now()))
+                                this.view.redraw();
+                });
         }
 
-        addEntity(entity: EntityPosition) {
+        private addEntity(entity: EntityPosition) {
                 this.entities[entity.position.asString()] = entity;
         }
+
+        private updateState(time: number): boolean {
+                var ret = false;
+                var dir = this.playerEntity.direction;
+
+                if (this.inputHandler.keys[InputHandler.Up])
+                        dir = Direction.North;
+                else if (this.inputHandler.keys[InputHandler.Right])
+                        dir = Direction.East;
+                else if (this.inputHandler.keys[InputHandler.Down])
+                        dir = Direction.South;
+                else if (this.inputHandler.keys[InputHandler.Left])
+                        dir = Direction.West;
+
+                if (this.playerEntity.direction !== dir) {
+                        this.playerEntity.direction = dir;
+                        ret = true;
+                }
+
+                return ret;
+        }
 }
-- 
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