1 files changed, 2 insertions, 90 deletions
diff --git a/src/engine/index.ts b/src/engine/index.ts
index 2df9f17..42c6287 100644
--- a/src/engine/index.ts
+++ b/src/engine/index.ts
@@ -1,90 +1,2 @@
-import { Entity } from "./entities";
-import { System } from "./systems";
-
-export class Game {
-  private systemOrder: string[];
-
-  private running: boolean;
-  private lastTimeStamp: number;
-
-  public entities: Map<string, Entity>;
-  public systems: Map<string, System>;
-  public componentEntities: Map<string, Set<string>>;
-
-  constructor() {
-    this.lastTimeStamp = performance.now();
-    this.running = false;
-    this.systemOrder = [];
-    this.systems = new Map();
-    this.entities = new Map();
-    this.componentEntities = new Map();
-  }
-
-  public start() {
-    this.lastTimeStamp = performance.now();
-    this.running = true;
-  }
-
-  public addEntity(entity: Entity) {
-    this.entities.set(entity.id, entity);
-  }
-
-  public getEntity(id: string): Entity | undefined {
-    return this.entities.get(id);
-  }
-
-  public removeEntity(id: string) {
-    this.entities.delete(id);
-  }
-
-  public forEachEntityWithComponent(
-    componentName: string,
-    callback: (entity: Entity) => void,
-  ) {
-    this.componentEntities.get(componentName)?.forEach((entityId) => {
-      const entity = this.getEntity(entityId);
-      if (!entity) return;
-
-      callback(entity);
-    });
-  }
-
-  public addSystem(system: System) {
-    if (!this.systemOrder.includes(system.name)) {
-      this.systemOrder.push(system.name);
-    }
-    this.systems.set(system.name, system);
-  }
-
-  public getSystem<T>(name: string): T {
-    return this.systems.get(name) as unknown as T;
-  }
-
-  public doGameLoop(timeStamp: number) {
-    if (!this.running) {
-      return;
-    }
-
-    const dt = timeStamp - this.lastTimeStamp;
-    this.lastTimeStamp = timeStamp;
-
-    // rebuild the Component -> { Entity } map
-    this.componentEntities.clear();
-    this.entities.forEach((entity) =>
-      entity.getComponents().forEach((component) => {
-        if (!this.componentEntities.has(component.name)) {
-          this.componentEntities.set(
-            component.name,
-            new Set<string>([entity.id]),
-          );
-          return;
-        }
-        this.componentEntities.get(component.name)?.add(entity.id);
-      }),
-    );
-
-    this.systemOrder.forEach((systemName) => {
-      this.systems.get(systemName)?.update(dt, this);
-    });
-  }
-}
+export * from "./Game";
+export * from "./TheAbstractionEngine";