基于Android系统的华容道游戏的开发

package com.DevStoreDemo; import java.io.InputStream; import java.util.Enumeration; import com.DevStoreDemo.R; import android.content.Context; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; import android.graphics.Rect; import android.graphics.Bitmap; import android.graphics.drawable.BitmapDrawable; import android.view.MotionEvent; import android.view.View; public class ChessboardView extends View { private PlayBoard playBoard; public ChessboardView(Context context) { super(context); //初始化游戏板 //前两个数字表示棋子的宽和长，后两个数字是棋子的左上角位置 //最后是引用图片 playBoard = new PlayBoard(4, 5); Fragment.setPlayBoard(playBoard); Fragment.addFragment(new Fragment("Cao Cao", Color.WHITE, 2, 2, 1, 0, R.drawable.role_caocao)); Fragment.addFragment(new Fragment("Zhang Fei", Color.BLUE, 1, 2, 0, 0, R.drawable.role_zhangfei)); Fragment.addFragment(new Fragment("Huang Zhong", Color.YELLOW, 1, 2, 3, 0, R.drawable.role_huangzhong)); Fragment.addFragment(new Fragment("Ma Chao", Color.RED, 1, 2, 0, 2, R.drawable.role_machao)); Fragment.addFragment(new Fragment("Zhao Yun", Color.MAGENTA , 1, 2, 3, 2, R.drawable.role_zhaoyun)); Fragment.addFragment(new Fragment("Guan Yu", Color.GREEN, 2, 1, 1, 2, R.drawable.role_guanyu)); Fragment.addFragment(new Fragment("Soldier1", 1, 1, 1, 0, 4, R.drawable.role_soldier1)); Fragment.addFragment(new Fragment("Soldier2", 2, 1, 1, 3, 4, R.drawable.role_soldier2)); Fragment.addFragment(new Fragment("Soldier3", 3, 1, 1, 1, 3, R.drawable.role_soldier3)); Fragment.addFragment(new Fragment("Soldier4", 4, 1, 1, 2, 3, R.drawable.role_soldier4)); //下面是加载监听器 this.setOnTouchListener(new OnTouchListener() { private int xPos; private int yPos; private int currentSelectedValue = 0; //记录当前被选中的格子 private int prevSelectedValue = 0; //记录前一个被选中的格子 //onTouch表示单击 public boolean onTouch(View view, MotionEvent motion) { //手指触摸点的坐标，每个格子80像素 xPos = (int)motion.getX(); yPos = (int)motion.getY(); //当前格子的索引 int x = xPos / 80; int y = yPos / 80; //下面表示不能选第六格 if(y == 5) return false; //以下执行棋子移动 //可以把移动棋子删去，改成松开棋子的地方，可以拖动棋子 else { prevSelectedValue = currentSelectedValue; currentSelectedValue = playBoard.getBoardValue(x, y); if((currentSelectedValue != prevSelectedValue) && currentSelectedValue == 0) { int direction = decideDirection(x, y, (Fragment)Fragment.fragmentHashTable.get(prevSelectedValue)); if(direction != Fragment.DIRECTION_DONTMOVE) { Fragment.fragmentHashTable.put(prevSelectedValue, ((Fragment)Fragment.fragmentHashTable.get(prevSelectedValue)).move(direction)); view.invalidate(); } } return false; } } private int decideDirection(int xPos, int yPos, Fragment fragment) { if((xPos == fragment.getxPos() - 1) && (yPos >= fragment.getyPos() && yPos <= fragment.getyPos() + fragment.getHeight() - 1)) return Fragment.DIRECTION_LEFT; if((xPos == fragment.getxPos() + fragment.getLength()) && (yPos >= fragment.getyPos() && yPos <= fragment.getyPos() + fragment.getHeight() - 1)) return Fragment.DIRECTION_RIGHT; if((xPos >= fragment.getxPos() && xPos <= fragment.getxPos() + fragment.getLength() - 1) && (yPos == fragment.getyPos() - 1)) return Fragment.DIRECTION_UP; if((xPos >= fragment.getxPos() && xPos <= fragment.getxPos() + fragment.getLength() - 1) && (yPos == fragment.getyPos() + fragment.getHeight())) return Fragment.DIRECTION_DOWN; return Fragment.DIRECTION_DONTMOVE; } }); } @Override //涂色 //因为贴图，所以无意义 public void onDraw(Canvas canvas) { Enumeration<Fragment> enumeration = Fragment.fragmentHashTable.elements(); while(enumeration.hasMoreElements()) { Fragment fragment = enumeration.nextElement(); int color; //如果棋子不是曹操或五虎上将（小兵），那么颜色是灰色 if(fragment.getValue()!=1 && fragment.getValue()!=2 && fragment.getValue()!=3 && fragment.getValue()!=4) color = fragment.getValue(); else color = Color.GRAY; drawFragment(canvas, fragment, color); } } //绘制矩形形状和尺寸 private void drawFragment(Canvas canvas, Fragment fragment, int color) { Paint paint = new Paint(); Rect rect = new Rect(); //rect表示矩形 rect.left = fragment.getxPos() * 80; //矩形左侧边界坐标等于位置（0,1,2,3,4）*80，上侧同理 rect.top = fragment.getyPos() * 80; rect.right = (fragment.getxPos() + fragment.getLength()) * 80; rect.bottom = (fragment.getyPos() + fragment.getHeight()) * 80; InputStream is = this.getContext().getResources().openRawResource(fragment.getPicture()); @SuppressWarnings("deprecation") BitmapDrawable bmpDraw = new BitmapDrawable(is); //下划线在腰上，疑似旧的API可以被新的代替，但是也能用 Bitmap mPic = bmpDraw.getBitmap(); canvas.drawBitmap(mPic, null, rect, paint); } }