基于Java+Swing实现中国象棋游戏

package com.game.chess; import java.util.Map; import java.util.HashMap; import javax.swing.JLabel; import javax.swing.JOptionPane; import java.awt.event.MouseEvent; /** * 功能：游戏逻辑<br> * 作者：我是小木鱼（Lag）<br> */ public class GameLogic { /** 游戏面板 */ GamePanel gamePanel; /** 最大搜索深度 */ int Maxdepth = 2; /** 电脑AI要走的位置 */ Map<String,String> mapAiChess = new HashMap<String,String>(); public GameLogic(GamePanel _gamePanel) { this.gamePanel = _gamePanel; } /** * 功能：得到X像素所对应的列坐标<br> */ private int getColumn(int x) { //先判断靠哪列近些 int column = (x - this.gamePanel.gridsLeftX + this.gamePanel.gridSize / 2) / this.gamePanel.gridSize; //再判断是否在有效范围内 int posX = this.gamePanel.gridsLeftX + column * this.gamePanel.gridSize; if(x > (posX - this.gamePanel.chessSize / 2) && x < (posX + this.gamePanel.chessSize / 2)){} else { column = -1; } return column; } /** * 功能：得到Y像素所对应的行坐标<br> */ private int getRow(int y) { //先判断靠哪行近些 int row = (y - this.gamePanel.gridsTopY + this.gamePanel.gridSize / 2) / this.gamePanel.gridSize; //再判断是否在有效范围内 int posY = this.gamePanel.gridsTopY + row * this.gamePanel.gridSize; if(y > (posY - this.gamePanel.chessSize / 2) && y < (posY + this.gamePanel.chessSize / 2)){} else { row = -1; } return row; } /** * 功能：判断下一步是红棋下还是黑棋下<br> */ private int getNextChessColor() { int chessColor = -1; //得到上一步信息 if(this.gamePanel.listChess.size() > 0) { Map<String,String> mapLast = this.gamePanel.listChess.get(this.gamePanel.listChess.size() - 1); if(Integer.parseInt(mapLast.get("color")) == this.gamePanel.BLACKCHESS) { chessColor = this.gamePanel.REDCHESS; } else { chessColor = this.gamePanel.BLACKCHESS; } } else { if(this.gamePanel.fightType == 0) //人机对战 { if(this.gamePanel.playFirst == 1) //玩家先手 { chessColor = this.gamePanel.chessColor; } else //电脑先手（这是不想赢啊） { if(this.gamePanel.chessColor == this.gamePanel.BLACKCHESS) { chessColor = this.gamePanel.REDCHESS; } else { chessColor = this.gamePanel.BLACKCHESS; } } } else //人人对战 { chessColor = this.gamePanel.chessColor; } } return chessColor; } /** * 功能：将军提示<br> */ private void check() { //全体循环，不知道将哪头的军 for(int i=0;i<this.gamePanel.mapChess.length;i++) { this.getMoveRoute(this.gamePanel.mapChess[i]); for(int j=0;j<this.gamePanel.listMove.size();j++) { Map<String,Integer> map = this.gamePanel.listMove.get(j); int index = this.gamePanel.chessBoradState[map.get("row")][map.get("column")]; if(index != -1 && "king".equals(this.gamePanel.mapChess[index].get("type"))) { JOptionPane.showMessageDialog(null,"将军，十万火急！"); break; } } } this.gamePanel.listMove.clear(); this.gamePanel.repaint(); } /** * 功能：判断棋子是否可以放到目标位置<br> * 参数：_mapChess -> 棋子<br> * 参数：_newRow -> 目标行位置<br> * 参数：_newColumn -> 目标列位置<br> * 备注：点空位或对方棋子上，已方棋子略<br> */ private boolean isAbleToMove(Map<String,String> _mapChess,int _newRow,int _newColumn) { int oldRow = -1; //移动前行位置 int oldColulmn = -1; //移动前列位置 int index = -1; //目标索引 String type = ""; //棋子类型 String direction = ""; //棋子方向（T-上方，B-下方） //死亡棋子不能移动 if("T".equals(_mapChess.get("dead"))){return false;} oldRow = Integer.parseInt(_mapChess.get("newRow")); oldColulmn = Integer.parseInt(_mapChess.get("newColumn")); type = _mapChess.get("type"); direction = _mapChess.get("direction"); index = this.gamePanel.chessBoradState[_newRow][_newColumn]; //不能吃自己伙的棋子 if(index != -1 && Integer.parseInt(this.gamePanel.mapChess[index].get("color")) == Integer.parseInt(_mapChess.get("color"))){return false;} //不能吃自身 if(oldRow == _newRow && oldColulmn == _newColumn) {return false;} if("king".equals(type)) //将帅 { //不能出九宫 if((_newRow > 2 && _newRow < 7) || _newColumn < 3 || _newColumn > 5){return false;} //一次只能走一格 if(Math.abs(_newRow - oldRow) > 1 || Math.abs(_newColumn - oldColulmn) > 1){return false;} //不能走斜线 if((_newRow - oldRow) * (_newColumn - oldColulmn) != 0){return false;} //将帅不能露脸 if(index != -1 && "king".equals(this.gamePanel.mapChess[index].get(type)) && oldColulmn == _newColumn) //目标棋子是将帅并且在同一列上 { //判断中间是否有棋子 int count = 0; int min = Math.min(oldRow,_newRow); int max = Math.max(oldRow,_newRow); for(int row=min+1;row<max;row++) { if(this.gamePanel.chessBoradState[row][_newColumn] != -1){count++;} } if(count == 0){return false;} } } else if("guard".equals(type)) //士仕 { //不能出九宫 if((_newRow > 2 && _newRow < 7) || _newColumn < 3 || _newColumn > 5){return false;} //一次只能走一格 if(Math.abs(_newRow - oldRow) > 1 || Math.abs(_newColumn - oldColulmn) > 1){return false;} //不能走横线或竖线 if((_newRow - oldRow) * (_newColumn - oldColulmn) == 0){return false;} } else if("elephant".equals(type)) //象相 { //不能越界 if("T".equals(direction)) { if(_newRow > 4){return false;} } else { if(_newRow < 5){return false;} } //不能走横线或竖线 if((_newRow - oldRow) * (_newColumn - oldColulmn) == 0){return false;} //一次只能走二格 if(Math.abs(_newRow - oldRow) != 2 || Math.abs(_newColumn - oldColulmn) != 2){return false;} //是否堵象眼 if(this.gamePanel.chessBoradState[Math.min(oldRow,_newRow) + 1][Math.min(oldColulmn,_newColumn) + 1] != -1){return false;} } else if("horse".equals(type)) //马（8种跳法，4种别腿） { //必须走日字格 if( Math.abs((_newRow - oldRow)) * Math.abs((_newColumn - oldColulmn)) != 2){return false;} //向上跳 if(_newRow - oldRow == -2) { if(this.gamePanel.chessBoradState[oldRow - 1][oldColulmn] != -1){return false;} } //向下跳 if(_newRow - oldRow == 2) { if(this.gamePanel.chessBoradState[oldRow + 1][oldColulmn] != -1){return false;} } //向左跳 if(_newColumn - oldColulmn == -2) { if(this.gamePanel.chessBoradState[oldRow][oldColulmn - 1] != -1){return false;} } //向右跳 if(_newColumn - oldColulmn == 2) { if(this.gamePanel.chessBoradState[oldRow][oldColulmn + 1] != -1){return false;} } } else if("rook".equals(type)) //车 { //不能走斜线 if((_newRow - oldRow) * (_newColumn - oldColulmn) != 0){return false;} //竖走 if(_newColumn == oldColulmn) { //判断中间是否有棋子 int min = Math.min(oldRow,_newRow); int max = Math.max(oldRow,_newRow); for(int row=min+1;row<max;row++) { if(this.gamePanel.chessBoradState[row][_newColumn] != -1){return false;} } } //横走 if(_newRow == oldRow) { //判断中间是否有棋子 int min = Math.min(oldColulmn,_newColumn); int max = Math.max(oldColulmn,_newColumn); for(int column=min+1;column<max;column++) { if(this.gamePanel.chessBoradState[_newRow][column] != -1){return false;} } } } else if("cannon".equa