Class OnLadder

Extensions/PlatformBehavior/platformerobjectruntimebehavior.ts:2507–2564

* The object grabbed a ladder. It can stand or move in 8 directions.

   * The object grabbed a ladder. It can stand or move in 8 directions.
   */
  class OnLadder implements State {
    private _behavior: PlatformerObjectRuntimeBehavior;

    constructor(behavior: PlatformerObjectRuntimeBehavior) {
      this._behavior = behavior;
    }

    enter() {
      this._behavior._canJump = true;
      this._behavior._currentFallSpeed = 0;
    }

    leave() {}

    beforeUpdatingObstacles(timeDelta: float) {}

    checkTransitionBeforeX() {}

    beforeMovingX() {}

    checkTransitionBeforeY(timeDelta: float) {
      const behavior = this._behavior;
      //Coming to an extremity of a ladder
      if (!behavior._isOverlappingLadder()) {
        behavior._setFalling();
      }

      //Jumping
      behavior._checkTransitionJumping();

      //Release the ladder
      if (behavior._releaseLadderKey) {
        behavior._releaseLadder();
      }
    }

    beforeMovingY(timeDelta: float, oldX: float) {
      const behavior = this._behavior;

      // TODO: we could consider supporting acceleration for ladder climbing in the future.
      if (behavior._upKey) {
        behavior._requestedDeltaY -= behavior._ladderClimbingSpeed * timeDelta;
      }
      if (behavior._downKey) {
        behavior._requestedDeltaY += behavior._ladderClimbingSpeed * timeDelta;
      }
    }

    getNetworkSyncData(): OnLadderStateNetworkSyncData {
      return {};
    }

    updateFromNetworkSyncData(data: OnLadderStateNetworkSyncData) {}

    toString(): String {
      return 'OnLadder';
    }
  }