level system!

1 files changed, 60 insertions, 0 deletions

diff --git a/src/engine/entities/Portal.ts b/src/engine/entities/Portal.ts
new file mode 100644
index 0000000..a747aa9
--- /dev/null
+++ b/src/engine/entities/Portal.ts
@@ -0,0 +1,60 @@
+import { Entity, EntityNames } from ".";
+import { Game } from "..";
+import { BoundingBox, Colliding, Grid, Sprite, Text } from "../components";
+import { IMAGES, SPRITE_SPECS, SpriteSpec, Sprites } from "../config";
+import { Coord2D } from "../interfaces";
+import { Level, SystemNames } from "../systems";
+
+export class Portal extends Entity {
+  private static spriteSpec = SPRITE_SPECS.get(Sprites.PORTAL) as SpriteSpec;
+
+  private toLevel: string;
+
+  constructor(toLevel: string, gridPosition: Coord2D) {
+    super(EntityNames.Portal);
+
+    this.toLevel = toLevel;
+
+    this.addComponent(
+      new BoundingBox(
+        {
+          x: 0,
+          y: 0,
+        },
+        {
+          width: Portal.spriteSpec.width,
+          height: Portal.spriteSpec.height,
+        },
+        0,
+      ),
+    );
+
+    this.addComponent(
+      new Sprite(
+        IMAGES.get(Portal.spriteSpec.sheet)!,
+        { x: 0, y: 0 },
+        {
+          width: Portal.spriteSpec.width,
+          height: Portal.spriteSpec.height,
+        },
+        Portal.spriteSpec.msPerFrame,
+        Portal.spriteSpec.frames,
+      ),
+    );
+
+    this.addComponent(new Colliding(this.handleCollision.bind(this)));
+
+    this.addComponent(new Grid(gridPosition));
+
+    this.addComponent(new Text(toLevel));
+  }
+
+  public handleCollision(game: Game, entity: Entity) {
+    if (entity.name !== EntityNames.Player) {
+      return;
+    }
+
+    const levelSystem = game.getSystem<Level>(SystemNames.Level);
+    levelSystem.setLevel(this.toLevel);
+  }
+}