/*
* Act
*
* Returns: true: Any additional derived Act methods can be executed. False: the
* derived act methods should not be executed.
* Purpose: This is the main method where this behavior modifies its parent. This should
* be overridden for each base class, and the value of the super Act() methods needs to be
* true for the derived class to execute. This moves the player in the direction of the waypoint
*/
public override bool Act()
{
if (!base.Act())
{
return(false);
}
// If we have made it here, then a waypoint has been set,
// and this enemy is in a patrol state. We can then focus on
// moving to our set waypoint
// If the player is stuck
if (lastPosition.x == ParentEntity.Rigidbody2D.position.x &&
lastPosition.y == ParentEntity.Rigidbody2D.position.y)
{
// increment a count of this
stuckCount++;
// If stuck for more than 5 frames, shift it up to break free
if (stuckCount > 5)
{
ParentEntity.ShiftUp();
}
}
// reset this counter
else
{
stuckCount = 0;
}
// get the last position for comparisons if we are not stuck
// used to compared with the next frame
if (stuckCount == 0)
{
lastPosition = ParentEntity.Rigidbody2D.position;
}
// Since we do not know anything meaningful about the map right now, we always jump
ParentEntity.Jump();
// We need to determine which direction to move in.
Vector2 currentPosition = ParentEntity.transform.position;
Vector2 waypoint = ParentEntity.MovementWaypoint;
// We move to the right
if (waypoint.x > currentPosition.x)
{
ParentEntity.MoveRight();
}
// we move to the left
else
{
ParentEntity.MoveLeft();
}
return(true);
}