fixed bugs

src/controllers/Presets/PlayerState/PlayerStateMachine.ts

@@ -0,0 +1,39 @@
+import { PlayerContext } from "./PlayerContext";
+import { IPlayerState } from "./IPlayerState";
+import { PlayerStateType } from "./PlayerStateType";
+
+export class PlayerStateMachine {
+  private activeState: IPlayerState;
+  private currentStateType: PlayerStateType;
+  private readonly states: Map<PlayerStateType, IPlayerState>;
+
+  get currentState(): PlayerStateType {
+    return this.currentStateType;
+  }
+
+  constructor(
+    private readonly context: PlayerContext,
+    states: Map<PlayerStateType, IPlayerState>,
+    initialState: PlayerStateType = PlayerStateType.Idle,
+  ) {
+    this.states = states;
+    this.activeState = states.get(initialState)!;
+    this.currentStateType = initialState;
+    this.activeState.enter(this.context);
+  }
+
+  setState(stateType: PlayerStateType) {
+    if (this.currentStateType === stateType) return;
+
+    console.log(`[PlayerState] ${this.currentStateType} -> ${stateType}`);
+
+    this.activeState.exit(this.context);
+    this.activeState = this.states.get(stateType)!;
+    this.currentStateType = stateType;
+    this.activeState.enter(this.context);
+  }
+
+  update(deltaTime: number) {
+    this.activeState.update(this.context, deltaTime);
+  }
+}