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