Class Jumping

Extensions/PlatformBehavior/platformerobjectruntimebehavior.ts:2303–2418

* The object is on the ascending and descending part of the jump. * The object is considered falling when the jump continue to a lower position than the initial one.

   * The object is considered falling when the jump continue to a lower position than the initial one.
   */
  class Jumping implements State {
    private _behavior: PlatformerObjectRuntimeBehavior;
    private _currentJumpSpeed: number = 0;
    private _timeSinceCurrentJumpStart: number = 0;
    private _jumpingFirstDelta: boolean = false;

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

    getCurrentJumpSpeed() {
      return this._currentJumpSpeed;
    }

    setCurrentJumpSpeed(currentJumpSpeed: number) {
      this._currentJumpSpeed = currentJumpSpeed;
    }

    enter(from: State) {
      const behavior = this._behavior;
      this._timeSinceCurrentJumpStart = 0;
      behavior._jumpKeyHeldSinceJumpStart = true;

      if (from !== behavior._jumping && from !== behavior._falling) {
        this._jumpingFirstDelta = true;
      }

      behavior._canJump = false;
      this._currentJumpSpeed = behavior._jumpSpeed;
      behavior._currentFallSpeed = 0;
    }

    leave() {
      this._currentJumpSpeed = 0;
    }

    beforeUpdatingObstacles(timeDelta: float) {}

    checkTransitionBeforeX() {}

    beforeMovingX() {}

    checkTransitionBeforeY(timeDelta: float) {
      const behavior = this._behavior;
      // Go on a ladder
      behavior._checkTransitionOnLadder();
      // Jumping
      behavior._checkTransitionJumping();

      // Grabbing a platform
      if (
        behavior._canGrabPlatforms &&
        (behavior._requestedDeltaX !== 0 || behavior._canGrabWithoutMoving) &&
        behavior._lastDeltaY >= 0
      ) {
        behavior._checkGrabPlatform();
      }
    }