俄罗斯方块游戏的C++源代码

#include "gamedlg.h" #include "ui_gamedlg.h" #include <QPainter> #include <QTime> #include <QKeyEvent> #include <QDebug> GameDlg::GameDlg(QWidget *parent) : QDialog(parent) , ui(new Ui::GameDlg) { ui->setupUi(this); connect(ui->startButton, SIGNAL(clicked(bool)), this, SLOT(startOrPause())); connect(ui->resetButton, SIGNAL(clicked(bool)), this, SLOT(reset())); //加载填充小方格的位图 pixmaps[0].load(tr(":/img/grayBlock.png")); pixmaps[1].load(tr(":/img/blueBlock.png")); pixmaps[2].load(tr(":/img/cyanBlock.png")); pixmaps[3].load(tr(":/img/greenBlock.png")); pixmaps[4].load(tr(":/img/purpleBlock.png")); pixmaps[5].load(tr(":/img/redBlock.png")); pixmaps[6].load(tr(":/img/yellowBlock.png")); //初始化各个小方格对应的Tetri数组元素 for(int i = 0; i < 20; i++) { for(int j = 0; j < 10; j++) { this->Grids[i][j] = 0; } } setFocusPolicy(Qt::StrongFocus); //加载方块样例位图 pixmapNext[0].load(tr(":/img/Type1.png")); pixmapNext[1].load(tr(":/img/Type2.png")); pixmapNext[2].load(tr(":/img/Type3.png")); pixmapNext[3].load(tr(":/img/Type4.png")); pixmapNext[4].load(tr(":/img/Type5.png")); pixmapNext[5].load(tr(":/img/Type6.png")); pixmapNext[6].load(tr(":/img/Type7.png")); //设置随机种子,使得每次游戏开始时方块类型是随机的 qsrand(QTime::currentTime().msec()); nextBlockType =qrand() % 7 + 1; //产生一个方块类型 //nextBlockType = 6; block =new OneBlock(nextBlockType, this); ui->labelNext->setText(tr("")); //设定Next区域显示下一个方块 ui->labelNext->setPixmap(pixmapNext[nextBlockType - 1]); isBlkActive = false; ifPaused = true; score = 0; ui->startButton->setCheckable(true); ui->startButton->setChecked(false);//只能设置一个 ui->startButton->setAutoExclusive(true); } GameDlg::~GameDlg() { delete ui; } void GameDlg::paintEvent(QPaintEvent *) { //int xOrg = 98, yOrg = 1; int xOrg = 327, yOrg = 22; int cellw =pixmaps[0].width() + 1; int cellh =pixmaps[0].height() + 2; QPainter painter(this); mutex.lock(); //绘制主场景中的已经固定的方块 for(int i = 0; i < 20; i++) { for(int j = 0; j < 10; j++) { if(this->Grids[i][j] > 0) { painter.drawPixmap(xOrg + j * cellw, yOrg + i * cellh, cellw, cellh, pixmaps[Grids[i][j] - 1]); } } } if(isBlkActive) { //绘制当前活动方块 int x = blkLocX, y = blkLocY; for(int i = 0; i <= block->cont_D; i++) { for(int j = block->cont_L; j <= block->cont_R; j++) { if(block->d[i][j] != 0) { painter.drawPixmap(xOrg + (y + j) * cellw, yOrg + (x + i) * cellh, cellw, cellh, pixmaps[block->d[i][j] - 1]); } } } //在NEXT区显示下一个方块 ui->labelNext->setPixmap(pixmapNext[nextBlockType - 1]); } mutex.unlock(); } void GameDlg::startOrPause() { //ui->startButton->setCheckable(true); bool chkState = ui->startButton->isChecked(); if(chkState == true) { ui->resetButton->setEnabled(true); nTimerId = startTimer(500); ifPaused = false; } else { ifPaused = true; killTimer(nTimerId); } } void GameDlg::reset() { //主场景中方块清空 for(int i = 0; i < 20; i++) { for(int j = 0; j < 10; j++) { this->Grids[i][j] = 0; } } //分数清零 score = 0; QString str = QString::number(score); ui->labelScore->setText(str); ifPaused = true; isBlkActive = false; //start按钮恢复初始状态 ui->startButton->setChecked(false); ui->startButton->setEnabled(true); //reset按钮失效 ui->resetButton->setEnabled(false); killTimer(nTimerId); update(); } void GameDlg::timerEvent(QTimerEvent *) { if(ifPaused) { return; } mutex.lock(); if(!isBlkActive) { //放入一个方块 blkLocX = 0; blkLocY = 3; block->InitialBlk(nextBlockType); //产生下一个方块的类型 nextBlockType =qrand()%7 + 1; //nextBlockType = 6; //方块进入活动状态 isBlkActive = true; } else { if(block->ifCanDown()) { this->blkLocX++; } else { int x = blkLocX, y = blkLocY; //将方块内容合并到主场景中 for(int i = 0; i <= block->cont_D; i++) for(int j = block->cont_L; j <= block->cont_R; j++) { if(block->d[i][j] != 0) Grids[x + i][y + j] =block->d[i][j]; block->d[i][j] = 0; } isBlkActive = false; //方块处于非活动状态 //若新进的模块一步也不能向下移动，则游戏结束 if(blkLocX == 0) { ifPaused = true; ui->startButton->setChecked(false); ui->startButton->setEnabled(false); } } DestroyLines(); } mutex.unlock(); this->update(); } void GameDlg::keyPressEvent(QKeyEvent *e) { if(ifPaused) return; mutex.lock(); switch (e->key()) { case Qt::Key_Left: if(block->ifCanLeft()) blkLocY--; qDebug() << "keyPressEvent, Key_Left"; break; case Qt::Key_Right: if(block->ifCanRight()) blkLocY++; qDebug() << "keyPressEvent, Key_Right"; break; case Qt::Key_Down: if(block->ifCanDown()) blkLocX++; qDebug() << "keyPressEvent, Key_Down"; break; case Qt::Key_Up: block->tryRotate(); qDebug() << "keyPressEvent, Key_Up"; break; } DestroyLines(); mutex.unlock(); this->update(); //Dialog::keyPressEvent(e); } void GameDlg::DestroyLines() { for(int i = 0; i < 20; i ++) //从上向下扫描 { bool full = true; for(int j = 0; j < 10; j++) //判断第i行是否满 { if(Grids[i][j] == 0) full = false; //未满 } //若第i行满，则删除 if(full) { int k = i; while(k > 0) { for(int j = 0; j < 10; j++) { Grids[k][j] = Grids[k - 1][j]; } k--; } for(int j = 0; j < 10; j++) { Grids[0][j] =0; } //分数更新 score = score + 10; QString str = QString::number(score); ui->labelScore->setText(str); } } }