public void OnTriggerEnter2D(Collider2D collision)
{
if (collision.gameObject.tag != "Stairs" || playerController.getIsClimbing())
{
return;
}
GameObject stairs = collision.gameObject;
StairController stairController = stairs.GetComponentInParent <StairController>();
leftEndStep = stairController.leftEndStep;
rightEndStep = stairController.rightEndStep;
stairDirection = stairController.getStairDirection();
float climb = Input.GetAxisRaw("Climb");
if ((climb == 1 || climb == -1) && playerController.getPlayerStairState() != PlayerController.STAIR_STATE.on_stair)
{
platformerController.enabled = false;
playerController.setIsClimbing(true);
//Debug.Log("Control taken from platformer controller");
// move player to base of stairs if grounded
if (platformerController.GetPlayerGrounded())
{
//Debug.Log("Closest End: " + closestEndStep.name);
fraction = 0;
StartCoroutine(MovePlayerToStairs(player, stairController));
}
else
{
StartCoroutine(SnapPlayerToStairs(player, stairController));
}
}
}
float moveYOnStairs(int directionToMove, StairController.STAIR_DIRECTION stairDireciton)
{
if (stairDireciton == StairController.STAIR_DIRECTION.up)
{
// if player is moving right on upwards stairs they move up, otherwise they move down
return((directionToMove == 1) ? 0.5f : -0.5f);
}
// if player is moving right on downwards stairs they move down, otherwise they move up
return((directionToMove == 1) ? -0.5f : 0.5f);
}
/*
* CheckBound returns an int representing whether the player is attempting to move off of the bounded stairs.
* If the player is at the right end and tries to continue moving right, return 1
* If the player is at the left end and tries to continue moving left, return -1
* If the player is at and end, but not continuing in that direction, return 0
*/
int CheckBound(float targetX, int directionToMove, StairController.STAIR_DIRECTION stairDirection)
{
// player is attempting to move right
if (stairDirection == StairController.STAIR_DIRECTION.up)
{
if (directionToMove == 1)
{
// player is at the right end
if (targetX > stairController.rightEndStep.transform.position.x - 0.5f)
{
// return 1 to tell move script to move player off the right end
return(1);
}
}
else if (directionToMove == -1)
{
if (targetX < stairController.leftEndStep.transform.position.x)
{
return(-1);
}
}
}
else
{
if (directionToMove == 1)
{
// player is at the right end
if (targetX > stairController.rightEndStep.transform.position.x - 0.125f)
{
// return 1 to tell move script to move player off the right end
return(1);
}
}
else if (directionToMove == -1)
{
if (targetX < stairController.leftEndStep.transform.position.x + 0.5f)
{
return(-1);
}
}
}
return(0);
}
void OnTriggerStay2D(Collider2D other)
{
if (other.tag != "Stairs")
{
return;
}
stairController = other.GetComponentInParent <StairController>();
if (Input.GetAxis("Climb") != 0 && levelManager.playerController.GetStairState() != PlayerController.STAIR_STATE.on_stair && levelManager.playerController.GetJumpState() == PlayerController.JUMPING.grounded && hasLeftStairTrigger)
{
stairDirection = stairController.GetStairDirection();
hasLeftStairTrigger = false;
player.GetComponent <Rigidbody2D>().gravityScale = 0;
levelManager.playerController.SetStairState(PlayerController.STAIR_STATE.on_stair);
levelManager.playerController.playerAnimator.SetBool("onStair", true);
transitionPercent = 0f;
MovePlayerToStairs(stairController, other.gameObject);
}
}
void MoveOnStairs(int directionToMove, StairController.STAIR_DIRECTION stairDirection)
{
isMovingOnStairs = true;
playerPos = levelManager.playerController.player.transform.position;
Vector2 targetPos = Vector2.zero;
//target.x is the same regardless of stairDirection
targetPos.x = playerPos.x + MoveXOnStairs(directionToMove);
//target.y is determined by move direction and stair direction
//target.y is the same as stair direction on right and inverted on left
targetPos.y = playerPos.y + moveYOnStairs(directionToMove, stairDirection);
FlipOnStairs(targetPos.x);
if ((!isMovingToStairs || !isMovingOffStairs) && CheckBound(targetPos.x, directionToMove, stairDirection) == 0)
{
runAfterMoving = RunAfterMovingOnStairs;
if (stairController.GetStairDirection() == StairController.STAIR_DIRECTION.up)
{
levelManager.playerController.playerAnimator.SetInteger("stairDirection", directionToMove);
}
else
{
levelManager.playerController.playerAnimator.SetInteger("stairDirection", -directionToMove);
}
StartCoroutine(MovePlayer(targetPos, climbSpeed));
}
else if (CheckBound(targetPos.x, directionToMove, stairDirection) != 0)
{
MovePlayerOffStairs(directionToMove);
}
else
{
levelManager.playerController.playerAnimator.SetInteger("stairDirection", 0);
isMovingOnStairs = false;
}
}