61 lines
1.8 KiB
Java
61 lines
1.8 KiB
Java
package MovementStrategy;
|
|
|
|
public abstract class AbstractStrategy {
|
|
private IMoveableObject _moveableObject;
|
|
private StrategyStatus _state = StrategyStatus.NotInit;
|
|
protected int FieldWidth;
|
|
protected int FieldHeight;
|
|
public StrategyStatus GetStatus() { return _state; }
|
|
public void SetData(IMoveableObject moveableObject, int width, int height)
|
|
{
|
|
if (moveableObject == null)
|
|
{
|
|
_state = StrategyStatus.NotInit;
|
|
return;
|
|
}
|
|
_state = StrategyStatus.InProgress;
|
|
_moveableObject = moveableObject;
|
|
FieldWidth = width;
|
|
FieldHeight = height;
|
|
}
|
|
public void MakeStep()
|
|
{
|
|
if (_state != StrategyStatus.InProgress)
|
|
{
|
|
return;
|
|
}
|
|
if (IsTargetDestinaion())
|
|
{
|
|
_state = StrategyStatus.Finish;
|
|
return;
|
|
}
|
|
MoveToTarget();
|
|
}
|
|
protected boolean MoveLeft() { return MoveTo(MovementDirection.Left);}
|
|
protected boolean MoveRight() { return MoveTo(MovementDirection.Right);}
|
|
protected boolean MoveUp() { return MoveTo(MovementDirection.Up);}
|
|
protected boolean MoveDown() { return MoveTo(MovementDirection.Down);}
|
|
protected ObjectParameters GetObjectParameters(){ return _moveableObject.GetObjectPosition();}
|
|
protected Integer GetStep()
|
|
{
|
|
if (_state != StrategyStatus.InProgress)
|
|
{
|
|
return null;
|
|
}
|
|
return _moveableObject.GetStep();
|
|
}
|
|
protected abstract void MoveToTarget();
|
|
protected abstract boolean IsTargetDestinaion();
|
|
private boolean MoveTo(MovementDirection movementDirection)
|
|
{
|
|
if (_state != StrategyStatus.InProgress)
|
|
{
|
|
return false;
|
|
}
|
|
if (_moveableObject.TryMoveObject(movementDirection))
|
|
return true;
|
|
else
|
|
return false;
|
|
}
|
|
}
|