80 lines
2.1 KiB
Java
80 lines
2.1 KiB
Java
public abstract class AbstractStrategy {
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private IMoveableObject _moveableObject;
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private Status _state = Status.NotInit;
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protected int FieldWidth;
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protected int FieldHeight;
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public Status GetStatus() { return _state; }
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public void SetData(IMoveableObject moveableObject, int width, int
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height)
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{
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if (moveableObject == null)
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{
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_state = Status.NotInit;
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return;
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}
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_state = Status.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 != Status.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 = Status.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(Direction.Left);}
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protected boolean MoveRight() { return MoveTo(Direction.Right);}
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protected boolean MoveUp() {return MoveTo(Direction.Up);}
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protected boolean MoveDown(){return MoveTo(Direction.Down);}
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protected ObjectParameters GetObjectParameters(){
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return _moveableObject.GetObjectPosition();
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}
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protected int GetStep()
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{
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if (_state != Status.InProgress)
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{
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return 0;
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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(Direction direction)
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{
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if (_state != Status.InProgress)
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{
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return false;
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}
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if (_moveableObject.CheckCanMove(direction))
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{
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_moveableObject.MoveObject(direction);
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return true;
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}
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return false;
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}
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}
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