eOfPrince()
{
return distanceOfPrince;
}
/**
* 获取花费的总开销
*/
public int getSpendTime()
{
return getCost() / STRAIGHT_DISTANCE;
}
@Override
public int hashCode()
{
final int prime = 31;
int result = 1;
result = prime * result
+ ((position == null) 0 : position.hashCode());
return result;
}
@Override
public boolean equals(Object obj)
{
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
PositionWeight other = (PositionWeight) obj;
if (position == null)
{
if (other.position != null)
return false;
}
else
if (!position.equals(other.position))
return false;
return true;
}
@Override
public String toString()
{
return "PositionWeight [position=" + position + ", distanceOfPrince="
+ distanceOfPrince + ", distanceOfPrincess="
+ distanceOfPrincess + ", father=" + father.getPosition()
+ ", cost=" + cost + "]";
}
/**
* 设置到目标节点的距离
*/
private void countDistanceToTarget(PositionWeight target)
{
Position targetPosition = target.getPosition();
int distanceToTarget = getPosition()
.getDistanceOfTarget(targetPosition);
setDistanceOfPrincess(distanceToTarget);
}
private void setDistanceOfPrince(int distanceOfPrince)
{
this.distanceOfPrince = distanceOfPrince;
}
private int getDistanceOfPrincess()
{
return distanceOfPrincess;
}
private void setDistanceOfPrincess(int distanceOfPrincess)
{
this.distanceOfPrincess = distanceOfPrincess;
}
private void setFather(PositionWeight father)
{
this.father = father;
}
private void setCost(int cost)
{
this.cost = cost;
}
}
[java]
import java.util.ArrayList;
import java.util.List;
import javax.lang.model.element.UnknownElementException;
/**
* 迷宫地图
*
* 类名称：Maze 类描述： 创建人：dobuy
*
*/
public class MazeMap
{
/**
* 迷宫中的原点(0,0)
*/
private Position originPosition;
/**
* 迷宫中的最大边界点
*/
private Position edgePosition;
/**
* 王子的位置
*/
private Position princePosition;
/**
* 公主的位置
*/
private Position princessPosition;
/**
* 所有可达的位置集合（非墙壁）
*/
private List allReachablePositions;
public MazeMap()
{
allReachablePositions = new ArrayList();
originPosition = new Position(0, 0);
}
public boolean isOverEdge(Position position)
{
if (getOriginPosition().getX() > position.getX()
|| getOriginPosition().getY() > position.getY()
|| getEdgePosition().getX() < position.getX()
|| getEdgePosition().getY() < position.getY())
{
return true;
}
return false;
}
/**
* 判断是否是墙
*
*/
public boolean isWall(Position currentPosition)
{
if (isOverEdge(currentPosition) || isPrincess(currentPosition)
|| getPrincePosition().equals(currentPosition))
{
return false;
}
return !getAllReachablePositions().contains(currentPosition);
}
/**
* 判断当前位置是否是公主位置
*
*/
public boolean isPrincess(Position currentPosition)
{
return getPrincessPosition().equals(currentPosition);
}
/**
* 初始化迷宫地址（坐标转换成点对象），并解析出王子的位置和公主的位置
*
* @param mazeMap 二维坐标表示的迷宫地图
*
*/
public void initMazeMap(char[][] mazeM