Android 俄罗斯方块游戏

package com.kkp.Activity; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import java.util.Random; import com.kkp.Activity.R; import com.kkp.domain.Coordinate; import com.kkp.domain.Shape; import android.content.Context; import android.content.res.Resources; import android.os.Handler; import android.os.Message; import android.util.AttributeSet; import android.view.KeyEvent; import android.view.View; import android.widget.TextView; public class DiamondView extends TileView { //The current game mode, default is READY private int mMode = READY; //The game mode. public static final int READY = 1; public static final int RUNNING = 2; public static final int LOSE = 3; //The resource ID public static final int RED_STAR = 1; public static final int YELLOW_STAR = 2; public static final int GREEN_STAR = 3; //your score private long mScore = 0; //the speed of the diamond move private long mMoveDelay; private long mLastMove; //about the brief information of game TextView mStatusText; //display your current score TextView mScoreText; //the current diamond private Shape mShape; //when the diamond stops on the screen, this container should append it private List<Coordinate> mSpaceList = new ArrayList<Coordinate>(); private static final Random RAN = new Random(); private RefreshHandler mRefreshHandler = new RefreshHandler(); class RefreshHandler extends Handler{ @Override public void handleMessage(Message msg) { super.handleMessage(msg); DiamondView.this.update(); DiamondView.this.invalidate(); } public void sleep(long time){ this.removeMessages(0); sendMessageDelayed(obtainMessage(0), time); } } /** *This is the constructor * @param context * @param attrs */ public DiamondView(Context context, AttributeSet attrs) { super(context, attrs); initDiamondView(); } /** * This method will initialize the resource about the diamond view */ private void initDiamondView() { setFocusable(true); Resources r = getResources(); //set the size of the title resetTiles(4); //get the resource ,and set each of them a tag loadTile(RED_STAR, r.getDrawable(R.drawable.redstar)); loadTile(YELLOW_STAR, r.getDrawable(R.drawable.yellowstar)); loadTile(GREEN_STAR, r.getDrawable(R.drawable.wall)); } /** * Game Start! */ private void initNewGame() { //find the middle of the top screen Shape.mMidWidth = (int) mXTileCount/2; //don't take your old things on your new start mSpaceList.clear(); if(mShape != null){ mShape.erase(); } initNewShape(); //dare to set it to zero? mMoveDelay = 300; //if you are a the next rich generation, you can set it as you want mScore = 0; } /** * This method will create the diamond */ private void initNewShape() { if(mShape != null){ mShape.erase(); } mShape = Shape.createShape(RAN.nextInt(Shape.SHAPE_NUM)); mShape.draw(); } /** * This method is the way you talk with your computer */ @Override public boolean onKeyDown(int keyCode, KeyEvent event) { //if you enter the "up", the game starts whose state is not running, // otherwise,it will make your current diamond change the shape. if (keyCode == KeyEvent.KEYCODE_DPAD_UP) { if (mMode == READY || mMode == LOSE) { initNewGame(); setMode(RUNNING); update(); } else if(mMode == RUNNING){ //save the shape list before change ,and restore it to original when clash happens List<Coordinate> originalList = new ArrayList<Coordinate>(); originalList.addAll(mShape.getmShapeList()); mShape.change(mShape.getmShapeList().get(0)); if(isChangeCollide(mShape.getmShapeList())){ mShape.erase(); mShape.setmShapeList(originalList); mShape.returnOrignalState(); } } return true; } //check if it is able to move right when we press the "Right" key. if (keyCode == KeyEvent.KEYCODE_DPAD_RIGHT) { if(!isRightSide() && canMoveRight()){ mShape.moveRight(); } return true; } //left if (keyCode == KeyEvent.KEYCODE_DPAD_LEFT) { if(!isLeftSide() && canMoveLeft()){ mShape.moveLeft(); } return true; } //down if(keyCode == KeyEvent.KEYCODE_DPAD_DOWN){ if(!isBottom() && canMoveDown()){ mShape.moveDown(); } return true; } return super.onKeyDown(keyCode, event); } /** * this method will do as whether it collides when the shape changes * @param shapeList * @return */ private boolean isChangeCollide(List<Coordinate> shapeList) { for(Coordinate c : shapeList){ //if it is on the top,bottom,right,left side , it collides. if(c.x < 1 || c.x > mXTileCount-2 || c.y < 1 || c.y > mYTileCount - 2){ return true; } //if it coincides with the space coordinates ,it collides for(Coordinate c2 : mSpaceList){ if(c.equals(c2)){ return true; } } } return false; } public void setmStatusText(TextView mStatusText) { this.mStatusText = mStatusText; } public void setmScoreText(TextView mScoreText) { this.mScoreText = mScoreText; } /** * this method will set your game current state, also providing some information for you * @param mode */ public void setMode(int mode) { int oldMode = mMode; mMode = mode; if(mode == RUNNING && oldMode != RUNNING){ mStatusText.setVisibility(View.INVISIBLE); update(); return; } CharSequence str=""; if(mode == READY){ str="Please enter the up key to start"; } if(mode == LOSE){ str="You lose, your total score is :" + mScore; } mStatusText.setText(str); mStatusText.setVisibility(View.VISIBLE); } /** * Updating the screen */ public void update() { if(mMode == RUNNING){ long now = System.currentTimeMillis(); if(now - mLastMove > mMoveDelay){ clearTiles(); updateSpace(); updateShape(); updateWalls(); mLastMove = now; } mRefreshHandler.sleep(mMoveDelay); } } /** * Updating the space list */ private void updateSpace() { List<Coordinate> shapeList = mShape.getmShapeList(); //if the shape touch the bottom or the coordinates of the space list,it should decide if it can remove rows if (isStop()) { int minY = shapeList.get(0).y; int maxY = shapeList.get(0).y; //get the max y and min y of the shape for (Coordinate c : shapeList) { if(c.y < minY){ minY = c.y; } if(c.y > maxY){ maxY = c.y; } mSpaceList.add(c); } int numX; //the number of coordinates in every row of space list. int removeNum = 0;// the number of remove lines //check from bottom to top of the shape for (int i = minY; i <= maxY; i++) { numX = 0; for(Coordinate c : mSpaceList){ if(c.y == i){ numX++; } } //start to remove line if(numX == mXTileCount - 2){ removeNum++; Iterator<Coordinate> it = mSpaceList.iterator(); while(it.hasNext()){ Coordinate c = it.next(); if(c.y == i){ it.remove(); } //let the above lines move down if(c.y < i){ c.y = c.y + 1; } } } } //get the score achieveScore(removeNum); //Game Over for(Coordinate c : mSpaceList){ if(c.y <= 1){ setMode(LOSE); return; } } initNewShape(); } for (Coordinate c : mSpaceList) { setTile(YELLOW_STAR, c.x, c.y); } } /** * calculate the score * @param removeNum */ private void achieveScore(int removeNum) { switch (removeNum) { case 1: mScore += 100; break; case 2: mScore += 300; break; case 3: mScore += 500;