C++课程设计 之 俄罗斯方块
http://blog.csdn.net/dgq8211/article/details/8458784#comments
花4天时间写好的，耗费巨大心血。。。
变量名大家应该都看的懂吧。。 =.=
/*
Title : Tetris
Author: nyist_xiaod
Date : 2013.1.3
*/
#include <vector>
#include <time.h>
#include <string>
#include <conio.h>
#include <iostream>
#include <windows.h>
using namespace std;
const int N = 22; //游戏栏&&信息栏的行数
const int M = 12; //游戏栏的列数
const int MM = 6; //信息栏的列数
const string square = "■";
const string space = " ";
const string line[] = {"┄","┆"};
const string corner[] = {"┌","┐","└" ,"┘"};
string g[N][M],gg[N][MM]; //g为游戏栏,gg为信息栏
struct Point
{
int x,y;
Point(){}
Point(int _x,int _y):x(_x),y(_y){}
Point operator++(int)
{
y++;
return (*this);
}
Point operator--(int)
{
y--;
return (*this);
}
Point operator++()
{
x++;
return (*this);
}
bool operator==(const Point& B)
{
return x==B.x && y==B.y;
}
};
void SetCursor(int x,int y) //设置光标位置
{
COORD cd = {x,y};
SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE),cd);
}
void SetCursor(const Point& p) //将数组中的位置映射到屏幕上
{
SetCursor(2*p.y,p.x);
}
void HideCursor() //隐藏光标
{
HANDLE hConsoleOutput = GetStdHandle(STD_OUTPUT_HANDLE);
CONSOLE_CURSOR_INFO ConsoleCursorInfo;
GetConsoleCursorInfo(hConsoleOutput, &ConsoleCursorInfo);
ConsoleCursorInfo.bVisible = FALSE;
SetConsoleCursorInfo(hConsoleOutput, &ConsoleCursorInfo);
}
template<typename T>
void PrintAt(const Point& p,T data,int wid=0) //在点p处输出data
{
SetCursor(p);
if(wid)
cout.width(wid);
cout<< data;
}
void MagicShow(const Point& p,bool flag=false,bool info=false) //在点p处输出/擦除方块
{
if(info || g[p.x][p.y]==space)
PrintAt(p ,flag ? square : space);
}
class Game;
class Block
{
friend class Game; //声明Game类为友元类
private:
static string all_state[7][4]; //标记所有方块的状态
int id,dir; //id表示种类,dir表示方向
public:
Block();
Point p; //标记4*4数组的左上角坐标
bool state[4][4]; //用4*4的数组标记自己的状态
static void State_Init(); //初始化所有方块的状态
void StateCpy(); //将自己的状态与id和dir对应
void Rotate(); //旋转
void Show(bool); //将方块在屏幕上输出
};
string Block::all_state[7][4]; //初始化静态变量
void Block::State_Init()
{
//I
all_state[0][0] = all_state[0][2] = "0100 0100 0100 0100";
all_state[0][1] = all_state[0][3] = "0000 1111 0000 0000";
//O
all_state[1][0] = all_state[1][1] = "0000 0110 0110 0000";
all_state[1][2] = all_state[1][3] = "0000 0110 0110 0000";
//S
all_state[2][0] = all_state[2][2] = "0000 0110 1100 0000";
all_state[2][1] = all_state[2][3] = "0100 0110 0010 0000";
//Z
all_state[3][0] = all_state[3][2] = "0000 1100 0110 0000";
all_state[3][1] = all_state[3][3] = "0100 1100 1000 0000";
//T
all_state[4][0] = "0000 1110 0100 0000";
all_state[4][1] = "0100 1100 0100 0000";
all_state[4][2] = "0100 1110 0000 0000";
all_state[4][3] = "0100 0110 0100 0000";
//J
all_state[5][0] = "0100 0100 1100 0000";
all_state[5][1] = "1000 1110 0000 0000";
all_state[5][2] = "1100 1000 1000 0000";
all_state[5][3] = "0000 1110 0010 0000";
//L
all_state[6][0] = "0100 0100 0110 0000";
all_state[6][1] = "0000 1110 1000 0000";
all_state[6][2] = "1100 0100 0100 0000";
all_state[6][3] = "0010 1110 0000 0000";
}
Block::Block()
{
id = rand()%7; //随机生成块的种类
dir = rand()%4; //随机生成块的方向
p = Point(4,13); //初始化点p的位置
StateCpy();
}
void Block::StateCpy()
{
for(int i=0,add=0;i<4;i++,add++)
for(int j=0;j<4;j++)
state[i][j] = all_state[id][dir][i*4+j+add]=='1'; //给每个方块的状态赋值
}
void Block::Rotate()
{
dir = (dir+1)%4;
StateCpy();
}
void Block::Show(bool info=false) //info表示是否是信息栏,下同
{
for(int i=0;i<4;i++)
for(int j=0;j<4;j++)
MagicShow(Point(p.x+i,p.y+j),state[i][j],info);
}
class Game
{
private:
static int level_up[6]; //各level对应的分数
static int score_up[5]; //消除各行对应要加的分数
static int tick_cnt[6]; //各level对应的cnt数
int level,score;
public:
Block runB,nextB;
Game();
int GetTickCnt(); //得到当前level的cnt数
void ShowFrame(); //输出游戏框架
void CheckBoard(); //检查键盘响应
bool AllSquare(int); //检查xx行是否可消
void DropDown(int); //将xx行以上的全部下移一格
void CheckLine(); //方块安放后检查是否有可消行
void PlaceOn(); //方块安放好
void Update(int); //更新信息
void GetNext(); //得到下一个方块
inline bool OutBoard(int,int); //检查坐标是否出界
bool CanChange(int,int); //检查是否可以发生这样的改变
bool ChangePos(int,int); //检查并改变下落方块的位置
void Rotate(); //旋转
void Begin(); //游戏欢迎界面
void Over(); //游戏结束界面
};
int Game::level_up[6]={0,80,180,290,410,666};
int Game::score_up[5]={0,10,30,60,100};
int Game::tick_cnt[6]={0,50,40,30,20,10};
Game::Game():level(1),score(0)
{
for(int i=0;i<N;i++)
{
for(int j=0;j<M;j++)
g[i][j] = " ";
for(int j=0;j<MM;j++)
gg[i][j] = " ";
}
for(int i=1;i<M;i++)
g[0][i] = g[N-1][i] = line[0];
for(int i=1;i<MM;i++)
gg[0][i] = gg[N-1][i] = line[0];
for(int i=1;i<N;i++)
g[i][0] = g[i][M-1] = gg[i][0] = gg[i][MM-1] = line[1];
g[0][0] = gg[0][0] = corner[0];
g[0][M-1] = gg[0][MM-1] = corner[1];
g[N-1][0] = gg[N-1][0] = corner[2];
g[N-1][M-1] = gg[N-1][MM-1] = corner[3];
}
int Game::GetTickCnt()
{
return tick_cnt[level];
}
void Game::ShowFrame()
{
for(int i=0;i<N;i++)
{
for(int j=0;j<M;j++)
cout << g[i][j];
for(int j=0;j<MM;j++)
cout << gg[i][j];
cout << endl;
}
PrintAt(Point(2,13)," Next");
PrintAt(Point(9,13)," Level");
PrintAt(Point(10,14),level,2);
PrintAt(Point(12,13)," Score");
PrintAt(Point(13,14),score,2);
PrintAt(Point(20,13)," @Xiaod");
}
bool Game::AllSquare(int xx)
{
for(int j=1;j<M-1;j++)
if(g[xx][j] != square)
return false;
return true;
}
void Game::DropDown(int xx)
{
for(int i=xx;i>1;i--)
for(int j=1;j<M-1;j++)
g[i][j] = g[i-1][j];
for(int j=1;j<M-1;j++)
g[1][j] = space;
}
void Game::Update(int flash_line_cnt)
{
score += score_up[flash_line_cnt];
PrintAt(Point(13,14),score);
if(level<6 && score>=level_up[level])
PrintAt(Point(10,14),++level,2);
}
void Game::CheckLine()
{
vector<int> flash_line; //用来储存要消去的行号
vector<int>::iterator it;
for(int i=0;i<4;i++)
if(AllSquare(i+runB.p.x))
flash_line.push_back(i+runB.p.x);
if(flash_line.empty())
return ;
int flash_times = 5;
while(flash_times--) //闪
{
for(it=flash_line.begin();it!=flash_line.end();it++)
for(int j=1;j<M-1;j++)
MagicShow(Point(*it,j),flash_times&1,true);
Sleep(60);
}
for(it=flash_line.begin();it!=flash_line.end();it++) //消去某行后，将上面的信息向下移动
DropDown(*it);
it = flash_line.end()-1;
for(int i=1;i<=*it;i++)
for(int j=1;j<M-1;j++)
MagicShow(Point(i,j),g[i][j]==square,true); //更新要消去的最后一行上方的信息
Update(flash_line.size());
flash_line.clear();
}
void Game::PlaceOn()
{
for(int i=0;i<4;i++)
for(int j=0;j<4;j++)
if(runB.state[i][j])
g[runB.p.x+i][runB.p.y+j] = square;
}
void Game::GetNext()
{
runB = nextB;
runB.p = Point(1,5);
nextB = Block();
nextB.Show(true);
runB.Show();
}
inline bool Game::OutBoard(int x,int y)
{
return x<=0 || x>=N-1 || y<=0 || y>=M-1;
}
void Game::CheckBoard()
{
char ch[2];
for(int i=0;i<2;i++)
if(kbhit()) //检测键盘是否按下
{
ch[i] = getch(); //只能用getch函数接收
if(ch[0] != -32)
{
i--;
if(ch[0] == ' ') //按空格暂停游戏
getch();
continue;
}
if(i == 1)
{
switch(ch[1])
{
case 72:Rotate();break; //上
case 80:ChangePos(1,0);break; //下
case 75:ChangePos(0,-1);break; //左
case 77:ChangePos(0,1);break; //右
}
}
}
}
bool Game::CanChange(int dx=0,int dy=0)
{
const int x = runB.p.x , y = runB.p.y;
for(int i=0;i<4;i++)
for(int j=0;j<4;j++)
if(runB.state[i][j] && (OutBoard(i+x+dx,j+y+dy) || g[i+x+dx][j+y+dy]==square))
return false;
return true;
}
void Game::Rotate()
{
runB.Rotate();
if(!CanChange())
for(int i=0;i<3;i++)
runB.Rotate();
runB.Show();
}
bool Game::ChangePos(int dx,int dy)
{
if(!CanChange(dx,dy))
return false;
const int x = runB.p.x , y = runB.p.y;
if(dx == 1) //处理最后那行的显示
{
for(int j=0;j<4;j++)
MagicShow(Point(x,y+j));
++runB.p;
}
else if(dy == 1) //+1
{
for(int i=0;i<4;i++)
MagicShow(Point(x+i,y));
runB.p++;
}
else if(dy == -1) //+2
{
for(int i=0;i<4;i++)
MagicShow(Point(x+i,y+3));
runB.p--;
}
runB.Show();
return true;
}
void Game::Begin()
{
ShowFrame();
nextB = Block();
GetNext();
int flash_times = 1000;
while(!kbhit() && flash_times--)
{
PrintAt( Point(9,1),flash_times&1 ? " " : " * * * * * * * * * ");
PrintAt(Point(10,1),flash_times&1 ? " Anykey to start " : "* Anykey to start *");
PrintAt(Point(11,1),flash_times&1 ? " " : " * * * * * * * * * ");
Sleep(100);
}
getch(); //anykey to start!
PrintAt( Point(9,1)," ");
PrintAt(Point(10,1)," ");
PrintAt(Point(11,1)," ");
}
void Game::Over()
{
int flash_times = 12;
while(flash_times--)
{
PrintAt( Point(9,3),flash_times&1 ? " " : " * * * * * * ");
PrintAt(Point(10,3),flash_times&1 ? " Game over " : "* Game over *");
PrintAt(Point(11,3),flash_times&1 ? " " : " * * * * * * ");
Sleep(200);
}
PrintAt(Point(21,0),""); //把光标移到最后
}
int main()
{
HideCursor();
srand(time(NULL));
Block::State_Init();
Game* pG = new Game();
pG->Begin();
while(1)
{
int tick_times = 0;
while(++tick_times < pG->GetTickCnt()) //控制下落时间间隔以及控制输出,控制输出的方法很奇妙
{
pG->CheckBoard();
Sleep(10);
}
if(!pG->ChangePos(1,0))
{
if(pG->runB.p == Point(1,5)) //如果一开始就下不去,game over.
{
pG->Over();
break;
}
pG->PlaceOn();
pG->CheckLine();
pG->GetNext();
}
}
delete pG;
return 0;
}