add interactable component

1 files changed, 12 insertions, 0 deletions

diff --git a/src/engine/entities/Entity.ts b/src/engine/entities/Entity.ts
index 2cc2ac3..d5a8e6e 100644
--- a/src/engine/entities/Entity.ts
+++ b/src/engine/entities/Entity.ts
@@ -7,14 +7,26 @@ export abstract class Entity {
   public components: Map<string, Component>;
   public name: string;
 
+  protected hooks: Map<string, { add: Function; remove: Function }>;
+
   constructor(name: string, id: string = (Entity.Id++).toString()) {
     this.name = name;
     this.id = id;
     this.components = new Map();
+    this.hooks = new Map();
   }
 
   public addComponent(component: Component) {
+    const hadBeforeSet = this.components.has(component.name);
     this.components.set(component.name, component);
+    if (!hadBeforeSet) {
+      this.hooks.get(component.name)?.add();
+    }
+  }
+
+  public removeComponent(name: string) {
+    this.components.delete(name);
+    this.hooks.get(name)?.remove();
   }
 
   public getComponent<T extends Component>(name: string): T {