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