57 lines
1.8 KiB
Java
57 lines
1.8 KiB
Java
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import java.util.function.Supplier;
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public abstract class AbstractStrategy {
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private IMoveableObject moveableObject;
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private Status state = Status.NOTINIT;
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private int FieldWidth;
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protected int getFieldWidth(){return FieldWidth;}
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private int FieldHeight;
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protected int getFieldHeight(){return FieldHeight;}
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public Status GetStatus() {return state;}
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public void SetData(IMoveableObject moveableObject, int width, int height){
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if(moveableObject == null){
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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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this.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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if(state != Status.INPROGRESS)
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return;
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if(IsTargetDestination()){
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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(DirectionType.LEFT);}
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protected boolean MoveRight() {return MoveTo(DirectionType.RIGHT);}
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protected boolean MoveUp() {return MoveTo(DirectionType.UP);}
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protected boolean MoveDown() {return MoveTo(DirectionType.DOWN);}
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protected Supplier<ObjectParameters> getObjectParameters = () -> moveableObject.getObjectPosition();
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protected Integer GetStep(){
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if(state != Status.INPROGRESS)
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return null;
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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 IsTargetDestination();
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private boolean MoveTo(DirectionType direction){
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if(state != Status.INPROGRESS)
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return false;
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if(moveableObject.checkCanMove(direction)){
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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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