//Helper for checking if this object can move in any given directions
public bool canMove(PuzzleConsole.Common.Direction inDirection)
{
//First check if the direction is even valid.
//Here we'll keep movement from happening diagonally if botht he diagonal's cardinal directions are full
bool movementInDirectionPossible = true;
if (Common.GetDiagonalDirections().Contains(inDirection))
{
if (inDirection == Common.Direction.UpLeft)
movementInDirectionPossible = GetObjectInDirection(Common.Direction.Up).Clippable || GetObjectInDirection(Common.Direction.Left).Clippable;
if (inDirection == Common.Direction.UpRight)
movementInDirectionPossible = GetObjectInDirection(Common.Direction.Up).Clippable || GetObjectInDirection(Common.Direction.Right).Clippable;
if (inDirection == Common.Direction.DownLeft)
movementInDirectionPossible = GetObjectInDirection(Common.Direction.Down).Clippable || GetObjectInDirection(Common.Direction.Left).Clippable;
if (inDirection == Common.Direction.DownRight)
movementInDirectionPossible = GetObjectInDirection(Common.Direction.Down).Clippable || GetObjectInDirection(Common.Direction.Right).Clippable;
}
//Before bothering to check for pieces in the way, ensure that the direction is valid
if (movementInDirectionPossible) {
//Then check if the target location is free to move to.
//Either it's free or the object there will be pushed (making it free)
Actor objectPossiblyInWay = GetObjectInDirection(inDirection);
//If there's a null there (shoudlnt happen because we should have an Empty clippable piece here)
if (objectPossiblyInWay == null)
{
PushedActorLastMove = null;
return true;
}
//if object can be moved into (including if there's just an empty piece here)
if (objectPossiblyInWay.Clippable)
{
PushedActorLastMove = null;
return true; //allow moving to
}
//or it can be pushed out of the way
if (movementInDirectionPossible && objectPossiblyInWay.IsPushable() && ((Pushable)objectPossiblyInWay).canMove(inDirection))
{
((Pushable)objectPossiblyInWay).Move(inDirection); //kick-off the push
PushedActorLastMove = objectPossiblyInWay; //store which actor we just pushed
return true; //allow moving to the now-empty spot
}
}
//Otherwise it can't move in that direction
return false;
}
//Returns the object (if any) 1 tile away from this object in the given direction
public Actor GetObjectInDirection(PuzzleConsole.Common.Direction direction)
{
Point offset = PuzzleConsole.Common.DirectionToPointOffset(direction);
return Layer.GetObjectAtPoint(GetLocationAtOffset(offset.X,offset.Y));
}
public bool Move(PuzzleConsole.Common.Direction inDirection)
{
//First turn the actor in the desired direction
Direction = inDirection;
//And then move if it's possible
if (canMove(inDirection))
{
Point oldLocation = Location;
Location = Location.Add(
PuzzleConsole.Common.DirectionToPointOffset(inDirection)
);
//Then tell the layer I'm on where I moved to
//remove from old location
Layer.Actors[oldLocation.Y][oldLocation.X] = new Empty();
//insert into new location
Layer.Actors[Location.Y][Location.X] = this;
return true;
}
else {
return false;
}
}
