Be explicit about return types, fix a few visibilities

src/control/MapContext.ts

@@ -13,13 +13,12 @@ import MapView from '../view/MapView';
 
 
 export default class MapContext {
-        view: MapView;
+        private view: MapView;
 
-        entities: EntityPosition[] = [];
-        playerEntity: EntityPosition;
+        private entities: EntityPosition[] = [];
+        private playerEntity: EntityPosition;
 
-
-        collision: number[][];
+        private collision: number[][];
 
 
         constructor(private map: MapData, private inputHandler: InputHandler) {
@@ -63,12 +62,12 @@ export default class MapContext {
                 return p.x >= 0 && p.x < this.map.width && p.y >= 0 && p.y < this.map.height;
         }
 
-        private incCollision(p: Position) {
+        private incCollision(p: Position): void {
                 if (this.inMap(p))
                         this.collision[p.x][p.y]++;
         }
 
-        private decCollision(p: Position) {
+        private decCollision(p: Position): void {
                 if (this.inMap(p))
                         this.collision[p.x][p.y]--;
         }
@@ -77,19 +76,19 @@ export default class MapContext {
                 return (!this.inMap(p)) || (this.collision[p.x][p.y] > 0);
         }
 
-        private addEntity(entity: EntityPosition) {
+        private addEntity(entity: EntityPosition): void {
                 this.entities.push(entity);
 
                 this.incCollision(entity.position);
         }
 
-        private addTransition(entity: EntityPosition, dest: Position, start: number, dur: number) {
+        private addTransition(entity: EntityPosition, dest: Position, start: number, dur: number): void {
                 entity.transition = new Transition(start, start+dur, entity.position, dest);
 
                 this.incCollision(dest);
         }
 
-        private finishTransition(entity: EntityPosition) {
+        private finishTransition(entity: EntityPosition): void {
                 this.decCollision(entity.position);
 
                 entity.position = entity.transition.dest;

src/model/EntityPosition.ts

@@ -8,7 +8,7 @@ import Transition from './Transition';
 
 
 export default class EntityPosition {
-        public transition: Transition = null;
+        transition: Transition = null;
 
         constructor(public entity: Entity, public position: Position, public direction: Direction) {}
 }

src/view/InputHandler.ts

@@ -7,9 +7,9 @@ import Direction from '../model/Direction';
 class InputHandler {
         keys: {[key: number]: boolean} = {};
 
-        listeners: (() => void)[] = [];
+        private listeners: (() => void)[] = [];
 
-        private callListeners() {
+        private callListeners(): void {
                 this.listeners.forEach(l => l());
         }
 

src/view/MapView.ts

@@ -100,7 +100,7 @@ export default class MapView {
                 });
         }
 
-        private setSize() {
+        private setSize(): void {
                 var e = document.documentElement;
                 var w = window.innerWidth || e.clientWidth || body.clientWidth;
                 var h = window.innerHeight || e.clientHeight || body.clientHeight;
@@ -114,7 +114,7 @@ export default class MapView {
                 this.redraw()
         }
 
-        private drawTile(x: number, y: number, tile: HTMLImageElement) {
+        private drawTile(x: number, y: number, tile: HTMLImageElement): void {
                 if (!tile)
                         return;
 
@@ -139,7 +139,7 @@ export default class MapView {
                 return !!e.transition;
         }
 
-        private setOrigin(time: number) {
+        private setOrigin(time: number): Rect {
                 var origin = entityPosition(this.origin, time);
 
                 var w = this.canvas.width;
@@ -156,7 +156,7 @@ export default class MapView {
                 );
         }
 
-        private draw(time: number) {
+        private draw(time: number): void {
                 this.updateState(time);
 
                 this.redrawPending = false;
@@ -204,7 +204,7 @@ export default class MapView {
                         this.redraw();
         }
 
-        redraw() {
+        redraw(): void {
                 if (this.redrawPending)
                         return;