C++(qt)游戏实战项目：坦克大战(四)

#ifndef TANK_H#define TANK_H#include"wanwu.h"#include"main.h"#include"gamemap.h"class Tank : public Wanwu{protected:   int steps[8]={4,8,8,16,16,32,32,64};  float lifes[8]={200,400,600,800,900,1100,1300,1500};   float wulis[8]={20,40,80,160,160,320,320,640};   float fashus[8]={20,40,80,160,160,320,320,640};   float hujias[8]={50,70,90,110,130,150,170,190};   float mokangs[8]={50,70,90,110,130,150,170,190};   int gongjijianges[8]={8,7,6,5,4,3,2,2};   int  group;//坦克所在组,同一组不能相互伤害public:    Tank();    Tank(int iIndex,int jIndex,Dir dir=UP,int style=0,int group=1);    // 计算势力范围    virtual void CalculateSphere();    // 绘图    void Display(QPainter &paint);    // 移动    void Move();    //设置移动状态为开    void startmove(){ismove=true;}    //设置移动状态为关    void stopmove(){ismove=false;}    //   // void fire();    //void startfire();    //void stopfire();    //设置方向    void setdir(Dir dir){m_dir=dir;}private:    int style;    bool ismove;   // bool isfire;    int gongjijiange;};#endif // TANK_H
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tank.cpp

#include "tank.h"Tank::Tank(){    this->m_pos.setX(10*CELLWIDTH+CELLWIDTH/2);    this->m_pos.setY(8*CELLHEIGHT+CELLHEIGHT/2);    this->wuli=200;    this->group=0;//0玩家组，1敌人组    m_step=16;    gongjijiange=3;    this->style=0;    ismove=false;    m_dir=UP;    //isfire=false;    m_bDisappear=false;    life=1000;    CalculateSphere();//计算实力范围}Tank::Tank(int iIndex,int jIndex,Dir dir,int style,int group){    this->m_pos.setX(jIndex*CELLWIDTH+CELLWIDTH/2);    this->m_pos.setY(iIndex*CELLHEIGHT+CELLHEIGHT/2);    this->m_dir=dir;z    this->style=style;    this->group=group;    //isfire=false;    wuli=wulis[style];    fashu=fashus[style];    hujia=hujias[style];    mokang=mokangs[style];    m_step=steps[style];    gongjijiange=gongjijianges[style];    m_bDisappear=false;    life=lifes[style];    CalculateSphere();}void Tank::Display(QPainter &paint){    QRect xm_rectSphere=m_rectSphere;    if(m_bDisappear)return;//消失的不画    switch(m_dir){        case UP:           paint.drawImage(m_rectSphere,*glo.tankimage,QRect(2*PICTANKWIDTH,style*2*PICTANKHEIGHT,PICTANKWIDTH,PICTANKHEIGHT));//身体           paint.drawImage(xm_rectSphere,*glo.tankimage,QRect(2*PICTANKWIDTH,(style*2+1)*PICTANKHEIGHT,PICTANKWIDTH,PICTANKHEIGHT));//炮塔            break;        case DOWN:            paint.drawImage(m_rectSphere,*glo.tankimage,QRect(0*PICTANKWIDTH,style*2*PICTANKHEIGHT,PICTANKWIDTH,PICTANKHEIGHT));//身体            paint.drawImage(xm_rectSphere,*glo.tankimage,QRect(0*PICTANKWIDTH,(style*2+1)*PICTANKHEIGHT,PICTANKWIDTH,PICTANKHEIGHT));//炮塔            break;        case LEFT:            paint.drawImage(m_rectSphere,*glo.tankimage,QRect(1*PICTANKWIDTH,style*2*PICTANKHEIGHT,PICTANKWIDTH,PICTANKHEIGHT));//身体            paint.drawImage(xm_rectSphere,*glo.tankimage,QRect(1*PICTANKWIDTH,(style*2+1)*PICTANKHEIGHT,PICTANKWIDTH,PICTANKHEIGHT));//炮塔            break;        case RIGHT:            paint.drawImage(m_rectSphere,*glo.tankimage,QRect(3*PICTANKWIDTH,style*2*PICTANKHEIGHT,PICTANKWIDTH,PICTANKHEIGHT));//身体            paint.drawImage(xm_rectSphere,*glo.tankimage,QRect(3*PICTANKWIDTH,(style*2+1)*PICTANKHEIGHT,PICTANKWIDTH,PICTANKHEIGHT));//炮塔            break;      }}//此段代码可以优化简洁void Tank::Move(){   if(ismove==true){    switch(m_dir){        case UP:            m_pos.setY(m_pos.y()-m_step);            break;        case DOWN:            m_pos.setY(m_pos.y()+m_step);            break;        case LEFT:            m_pos.setX(m_pos.x()-m_step);            break;        case RIGHT:            m_pos.setX(m_pos.x()+m_step);            break;      }    CalculateSphere();    qDebug("move on"); }qDebug("move off");}void Tank::CalculateSphere(){this->m_rectSphere.setRect(m_pos.x()-TANKWIDTH/2,m_pos.y()-TANKHEIGHT/2,TANKWIDTH,TANKHEIGHT);}
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main.h结构体Glo中加入选项Tank *player.

class QImage;class GameMap;class Tank;typedef struct{unsigned int framei;QImage *blockimage;GameMap *gamemap;Tank *player;}Glo;//实列化Glo类型变量，能实列化出来,所有的指针变量所占空间daxiao一样。
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mainwindow.h里加入

#include"tank.h"
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mainwindow.cpp构造函数里加入

glo.player=new Tank();
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mainwindow.cpp paintEvent函数变更如下

void MainWindow::paintEvent(QPaintEvent *event){    Q_UNUSED(event);setFixedSize(WIDTH,HEIGHT);paint.begin(this);glo.gamemap->Display(paint);glo.player->Display(paint);paint.end();}
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mainwindow.cpp keyPressEvent变更如下

void MainWindow::keyPressEvent(QKeyEvent *event){    qDebug("key:--------------------------%d ",event->key());//当按键为M时设置游戏状态为mapedit    if(event->key()==Qt::Key_M)        {            gamestatus=mapedit;        }else if(event->key()==Qt::Key_G){            gamestatus=gameing;        }    if(gamestatus==mapedit){        if(event->key()==Qt::Key_S)            {                 glo.gamemap->savemap("1.dat");             }        else if(event->key()==Qt::Key_L)            {                glo.gamemap->loadmap("1.dat");             }     }else if(gamestatus==gameing){          if(event->key()==Qt::Key_S)             {                 glo.player->setdir(DOWN);glo.player->startmove();             }          else if(event->key()==Qt::Key_A)            {                 glo.player->setdir(LEFT);glo.player->startmove();             }          else if(event->key()==Qt::Key_W)             {               glo.player->setdir(UP);glo.player->startmove();             }          else if(event->key()==Qt::Key_D)          {              glo.player->setdir(RIGHT);glo.player->startmove();          }else if(event->key()==Qt::Key_J){                 glo.player->startfire();          }     }update();}