4 files changed, 112 insertions, 1 deletions
diff --git a/src/engine/entities/EntityNames.ts b/src/engine/entities/EntityNames.ts
index ffcc937..3ad31d0 100644
--- a/src/engine/entities/EntityNames.ts
+++ b/src/engine/entities/EntityNames.ts
@@ -2,4 +2,5 @@ export namespace EntityNames {
   export const Player = "Player";
   export const FunctionBox = "FunctionBox";
   export const Wall = "Wall";
+  export const LambdaFactory = "LambdaFactory";
 }
diff --git a/src/engine/entities/FunctionBox.ts b/src/engine/entities/FunctionBox.ts
index e5d031a..b7015f2 100644
--- a/src/engine/entities/FunctionBox.ts
+++ b/src/engine/entities/FunctionBox.ts
@@ -57,7 +57,7 @@ export class FunctionBox extends Entity {
 
     this.addComponent(
       new Highlight(
-        () => this.onHighlight(),
+        (_direction) => this.onHighlight(),
         () => this.onUnhighlight(),
       ),
     );
diff --git a/src/engine/entities/LambdaFactory.ts b/src/engine/entities/LambdaFactory.ts
new file mode 100644
index 0000000..1483b9d
--- /dev/null
+++ b/src/engine/entities/LambdaFactory.ts
@@ -0,0 +1,109 @@
+import { IMAGES, SPRITE_SPECS, SpriteSpec, Sprites } from "../config";
+import { Entity, EntityNames } from ".";
+import {
+  BoundingBox,
+  Colliding,
+  ComponentNames,
+  Grid,
+  Highlight,
+  Interactable,
+  LambdaSpawn,
+  Sprite,
+  Text,
+} from "../components";
+import { Coord2D, Direction } from "../interfaces";
+import { openModal, closeModal } from "../utils";
+
+export class LambdaFactory extends Entity {
+  private static spriteSpec: SpriteSpec = SPRITE_SPECS.get(
+    Sprites.LAMBDA_FACTORY,
+  ) as SpriteSpec;
+
+  private code: string;
+  private spawns: number;
+
+  constructor(gridPosition: Coord2D, code: string, spawns: number) {
+    super(EntityNames.LambdaFactory);
+
+    this.code = code;
+    this.spawns = spawns;
+
+    this.addComponent(
+      new BoundingBox(
+        {
+          x: 0,
+          y: 0,
+        },
+        {
+          width: LambdaFactory.spriteSpec.width,
+          height: LambdaFactory.spriteSpec.height,
+        },
+        0,
+      ),
+    );
+
+    this.addComponent(new Text(spawns.toString()));
+
+    this.addComponent(new Colliding());
+
+    this.addComponent(new LambdaSpawn(this.spawns, this.code));
+
+    this.addComponent(new Grid(gridPosition));
+
+    this.addComponent(
+      new Sprite(
+        IMAGES.get(LambdaFactory.spriteSpec.sheet)!,
+        { x: 0, y: 0 },
+        {
+          width: LambdaFactory.spriteSpec.width,
+          height: LambdaFactory.spriteSpec.height,
+        },
+        LambdaFactory.spriteSpec.msPerFrame,
+        LambdaFactory.spriteSpec.frames,
+      ),
+    );
+
+    this.addComponent(
+      new Highlight(
+        (direction) => this.onHighlight(direction),
+        () => this.onUnhighlight(),
+      ),
+    );
+  }
+
+  private onUnhighlight() {
+    closeModal();
+    this.removeComponent(ComponentNames.Interactable);
+  }
+
+  private onHighlight(direction: Direction) {
+    if (direction === Direction.LEFT || direction === Direction.RIGHT) {
+      const interaction = () => {
+        const spawner = this.getComponent<LambdaSpawn>(
+          ComponentNames.LambdaSpawn,
+        );
+        spawner.spawn(direction);
+
+        const text = this.getComponent<Text>(ComponentNames.Text);
+        text.text = spawner.spawnsLeft.toString();
+        this.addComponent(text);
+      };
+
+      this.addComponent(new Interactable(interaction));
+      return;
+    }
+
+    let modalOpen = false;
+    const interaction = () => {
+      if (modalOpen) {
+        modalOpen = false;
+        closeModal();
+        return;
+      }
+      modalOpen = true;
+      openModal(this.code);
+    };
+
+    this.addComponent(new Interactable(interaction));
+  }
+}
diff --git a/src/engine/entities/index.ts b/src/engine/entities/index.ts
index e63b272..a049350 100644
--- a/src/engine/entities/index.ts
+++ b/src/engine/entities/index.ts
@@ -3,3 +3,4 @@ export * from "./EntityNames";
 export * from "./Player";
 export * from "./FunctionBox";
 export * from "./Wall";
+export * from "./LambdaFactory";