add a reset button!

src/engine/config/constants.ts

@@ -27,6 +27,8 @@ export namespace KeyConstants {
 
     " ": Action.INTERACT,
     enter: Action.INTERACT,
+
+    r: Action.RESET,
   };
 
   // value -> [key] from KeyActions

src/engine/systems/Input.ts

@@ -1,4 +1,4 @@
-import { Grid as GridSystem, SystemNames, System } from ".";
+import { Grid as GridSystem, SystemNames, System, Level } from ".";
 import { Game } from "..";
 import { ComponentNames, Grid, Interactable } from "../components";
 import { Control } from "../components/Control";
@@ -31,6 +31,10 @@ export class Input extends System {
   }
 
   public update(_dt: number, game: Game) {
+    if (this.hasSomeKey(KeyConstants.ActionKeys.get(Action.RESET))) {
+      game.getSystem<Level>(SystemNames.Level).reset(game);
+    }
+
     game.forEachEntityWithComponent(ComponentNames.Control, (entity) =>
       this.handleMovement(entity, game),
     );

src/engine/systems/Level.ts

@@ -3,8 +3,8 @@ import { Game } from "..";
 import { type Level as LevelType, LEVELS, LEVEL_PROGRESSION } from "../levels";
 
 export class Level extends System {
-  private unlockedLevels: Set<string>;
-  private currentLevel: LevelType | null;
+  private unlockedLevels: Set<string> = new Set();
+  private currentLevel: LevelType | null = null;
   private moveToLevel: string | null;
   private levelMap: Map<string, LevelType>;
 
@@ -16,15 +16,18 @@ export class Level extends System {
       this.levelMap.set(level.name, level);
     });
 
-    this.currentLevel = null;
     this.moveToLevel = initialLevel;
-    this.unlockedLevels = new Set();
   }
 
   public setLevel(level: string) {
     this.moveToLevel = level;
   }
 
+  public reset(game: Game) {
+    game.resetState();
+    this.currentLevel?.init(game);
+  }
+
   public update(_dt: number, game: Game) {
     if (this.moveToLevel === this.currentLevel?.name || !this.moveToLevel) {
       return;