www.pudn.com > Snake.rar > main.cpp
#include
#include
#include"snaker.h"
#include"table.h"
//游戏状态定义
#define GAME_STATE_WAIT 0 //游戏等待状态
#define GAME_STATE_RUN 1 //游戏运行状态
#define GAME_STATE_END 2 //游戏结束状态
//界面相关物件尺寸定义
#define WALL_WIDTH 80 //外墙从左部到游戏区的宽度
#define WALL_HEIGHT 80 //外墙从顶部到游戏区的高度
#define BMP_SCORE_BOARD_WIDTH 256 //分数位图板的宽度
#define BMP_SCORE_BOARD_HEIGHT 55 //分数位图板的高度
#define BMP_WALL_WIDTH 16 //墙位图的宽度
#define BMP_WALL_HEIGHT 16 //墙位图的高度
LRESULT CALLBACK WndProc(HWND hWnd,UINT message,
WPARAM wParam,LPARAM lParam);
void DrawGame(void);
void ShellDraw( HDC hdc );
void GameAreaDraw(HDC hdc);
void OnTimer(UINT uTIMER_ID);
void StartGame( void );
void EndGame( void );
//创建一个桌子
CTable table;
int tableBlockWidth = 0; //桌子的格子的宽度
int tableBlockHeight = 0; //桌子的格子的高度
int iScores = 0; //游戏的得分
UINT uGameState = GAME_STATE_WAIT; //当前游戏状态
HDC windowDC = NULL; //windows屏幕设备
HDC bufferDC = NULL; //缓冲设备环境
HDC picDC = NULL; //snake图像内存设备
HDC endDC = NULL; //游戏终结图像内存设备
HDC scoreDC = NULL; //分数板内存设备
HWND hAppWnd = NULL; //本application窗口句柄
HBITMAP picBMP = NULL; //snake图像位图句柄
HBITMAP bufferBMP = NULL; //缓冲位图句柄
HBITMAP endBMP = NULL; //游戏终结图像内存句柄
HBITMAP hbmpWall = NULL; //墙位图句柄
HBITMAP hbmpScore = NULL; //分数板位图句柄
HBRUSH hbrushWall = NULL; //墙画刷
//定时器标识
UINT uSnakeMoveTimer; //蛇的移动
UINT uFoodAddTimer; //水果的产生
//框架的位置数据定义
//GDI RECT 而不是 MFC CRect
RECT g_ClientRect;
RECT g_GameValueRect;
int g_iClientWidth;
int g_iClientHeight;
int WINAPI WinMain(HINSTANCE hCurrentInst,HINSTANCE hPrevInstance,
PSTR lpszCmdLine,int nCmdShow)
{
WNDCLASS wndClass;
HWND hWnd;
MSG msg;
UINT width,height;
//定义窗口
wndClass.style=CS_HREDRAW | CS_VREDRAW;
wndClass.lpfnWndProc=WndProc;
wndClass.cbClsExtra=0;
wndClass.cbWndExtra=0;
wndClass.hInstance=hCurrentInst;
wndClass.hIcon=LoadIcon(NULL,MAKEINTRESOURCE(IDI_MAIN));
wndClass.hCursor=LoadCursor(NULL,IDC_ARROW);
wndClass.hbrBackground=(HBRUSH)GetStockObject(WHITE_BRUSH);
wndClass.lpszMenuName=NULL;
wndClass.lpszClassName="Snake_CLASS";
//注册窗口
RegisterClass(&wndClass);
//取整个屏幕的尺寸
width=GetSystemMetrics(SM_CXSCREEN);
height= GetSystemMetrics(SM_CYSCREEN);
//创建窗口
hWnd=CreateWindow(
"Snake_CLASS",
"skyblue snake",
WS_POPUP,
0,0,
width,height,
NULL,NULL,
hCurrentInst,
NULL);
hAppWnd = hWnd;
//显示窗口
ShowWindow(hWnd,nCmdShow);
UpdateWindow(hWnd);
//获取窗体大小
GetClientRect(hAppWnd, &g_ClientRect);
g_iClientWidth = g_ClientRect.right-g_ClientRect.left;
g_iClientHeight = g_ClientRect.bottom-g_ClientRect.top;
//将游戏区域分成纵，横均为20块的小方块
//并计算每块区域的大小
tableBlockWidth = (g_iClientWidth-2*WALL_WIDTH)/20;
tableBlockHeight = (g_iClientHeight-2*WALL_HEIGHT)/20;
//获取当前主窗口设备与windowDC关联
windowDC=GetDC(NULL);
//创建与windowDC兼容的内存设备环境
bufferDC=CreateCompatibleDC(windowDC);
picDC=CreateCompatibleDC(windowDC);
endDC=CreateCompatibleDC(windowDC);
scoreDC=CreateCompatibleDC(windowDC);
//位图的初始化或载入位图
bufferBMP=CreateCompatibleBitmap(windowDC,g_iClientWidth,g_iClientHeight);
picBMP=(HBITMAP)LoadImage(NULL,"snake.bmp",IMAGE_BITMAP,160,80,LR_LOADFROMFILE);
hbmpWall=(HBITMAP)LoadImage(NULL,"brick.bmp",IMAGE_BITMAP,16,16,LR_LOADFROMFILE);
endBMP = (HBITMAP)LoadImage(NULL,"end.bmp",IMAGE_BITMAP,369,300,LR_LOADFROMFILE);
hbmpScore=(HBITMAP)LoadImage(NULL,"scoreboard.bmp",IMAGE_BITMAP,265,55,LR_LOADFROMFILE);
//声明位图与设备环境的关联
SelectObject(bufferDC,bufferBMP);
SelectObject(picDC,picBMP);
SelectObject(endDC,endBMP);
SelectObject(scoreDC,hbmpScore);
//建立画刷与其名相对应的图像的关联，
//以备用刷子将墙刷出来，用PatBlt()实现
hbrushWall = CreatePatternBrush(hbmpWall);
StartGame();
while(GetMessage(&msg,NULL,0,0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return msg.wParam;
}
LRESULT CALLBACK WndProc(HWND hWnd,UINT message,
WPARAM wParam,LPARAM lParam)
{
switch(message)
{
case WM_TIMER :
OnTimer((UINT)wParam);
break;
case WM_KEYDOWN:
switch(wParam)
{
case VK_ESCAPE:
exit(0);
break;
case VK_UP:
table.ChangeSnakeDirect(S_UP);
break;
case VK_DOWN:
table.ChangeSnakeDirect(S_DOWN);
break;
case VK_LEFT:
table.ChangeSnakeDirect(S_LEFT);
break;
case VK_RIGHT:
table.ChangeSnakeDirect(S_RIGHT);
break;
case VK_SPACE:
if( uGameState == GAME_STATE_END )
{
StartGame();
break;
}
}
return 0;
case WM_SETCURSOR:
SetCursor(NULL);
return 0;
case WM_DESTROY:
ReleaseDC(hWnd,picDC);
ReleaseDC(hWnd,bufferDC);
ReleaseDC(hWnd,windowDC);
PostQuitMessage(0);
return 0;
}
return DefWindowProc(hWnd,message,wParam,lParam);
}
void DrawGame(void)
{
//绘制外壳区域到缓冲
ShellDraw(bufferDC);
//绘制游戏区域到缓冲
GameAreaDraw(bufferDC);
//将整个画面从缓冲DC拷贝出屏幕
BitBlt(windowDC,0,0,g_iClientWidth,g_iClientHeight,bufferDC,0,0,SRCCOPY);
}
void OnTimer(UINT uTIMER_ID)
{
if ( uTIMER_ID == uSnakeMoveTimer )
{
//移动蛇
table.SnakeMove();
//检测是否碰到身体(环绕)，结束游戏
if(table.GetSnake()->IsHeadTouchBody(table.GetSnake()->GetPos()[0].x,table.GetSnake()->GetPos()[0].y))
{
EndGame();
}
//根据蛇头所在的区域作出相应的处理
switch(table.GetData(table.GetSnake()->GetPos()[0].x,table.GetSnake()->GetPos()[0].y))
{
case TB_STATE_FOOD:
table.ClearFood(table.GetSnake()->GetPos()[0].x,table.GetSnake()->GetPos()[0].y);
table.AddBlock((rand())%tableBlockWidth,(rand())%tableBlockHeight);
table.GetSnake()->AddBody();
++iScores;
break;
case TB_STATE_BLOCK:
case TB_STATE_SBLOCK:
//检测是否碰到障碍物，结束游戏
EndGame();
break;
}
//显示
DrawGame();
}
else if ( uTIMER_ID == uFoodAddTimer )
{//定时加食物
table.AddFood((rand())%tableBlockWidth,(rand())%tableBlockHeight);
}
}
void StartGame()
{
iScores=0;
//桌面的初始化
table.InitialTable(tableBlockWidth,tableBlockHeight);
table.GetSnake()->ChangeDirect(S_RIGHT);
table.GetSnake()->SetHeadPos(tableBlockWidth/2,tableBlockHeight/2);
//预先随机产生几个食物
srand( (unsigned)time(NULL) );
for(int iFoodNum=0; iFoodNum<4; iFoodNum++)
{
table.AddFood((rand())%tableBlockWidth,(rand())%tableBlockHeight);
}
//不部下种子也可以直接用rand(),
//但是每次游戏开始都是产生完全一样的伪随即序列
//打开定时器
uSnakeMoveTimer = SetTimer(hAppWnd,500,100,NULL);
uFoodAddTimer = SetTimer(hAppWnd,600,7000,NULL);
uGameState = GAME_STATE_RUN;
}
void EndGame( void )
{
//关闭定时器
KillTimer(hAppWnd,uSnakeMoveTimer);
KillTimer(hAppWnd,uFoodAddTimer);
uGameState = GAME_STATE_END;
}
void ShellDraw( HDC hdc )
{
// HDC hMemDc;
// BOOL ret = TRUE;
// HDC hMemoryDC;
// HBITMAP hbmp;
//分数提示显示文字
char szText[30] = "Score: ";
char szNum[20];
int iNowScore = iScores*100;
itoa(iNowScore,szNum,10);
strcat(szText, szNum);
RECT rt, rect;
GetClientRect(hAppWnd, &rt);
//墙的绘制
SelectObject(hdc,hbrushWall);
PatBlt(hdc,rt.left,rt.top,rt.right,rt.bottom,PATCOPY);
//内部游戏区的白色底平面
rect.left = rt.left+WALL_WIDTH;
rect.top = rt.top + WALL_HEIGHT;
rect.right = rt.right - WALL_WIDTH;
rect.bottom = rt.bottom - WALL_HEIGHT;
FillRect(hdc, &rect, (HBRUSH) (COLOR_WINDOW+1));
//分数提示板的绘制
/* hMemoryDC = CreateCompatibleDC(NULL);
hbmp = CreateCompatibleBitmap(hdc,265,55);
SelectObject(hMemoryDC,hbrushScore);
SelectObject(hMemoryDC,hbmp);
PatBlt(hMemoryDC,0,0,256,55,PATCOPY);
BitBlt(hdc,GetSystemMetrics(SM_CXSCREEN)/3,
10,256,55,hMemoryDC,0,0,SRCCOPY);
*/
BitBlt(hdc,GetSystemMetrics(SM_CXSCREEN)/3,
10,256,55,scoreDC,0,0,SRCCOPY);
//分数的打印绘制
SetBkMode(hdc, TRANSPARENT);
TextOut(hdc, GetSystemMetrics(SM_CXSCREEN)/3+50, 30,szText,strlen(szText) );
}
void GameAreaDraw(HDC hdc)
{
int i,j;
int x,y, x_pos,y_pos;
BitmapState state;
char strMark[20];
//绘制水果与 毒果
for(i=0;iGetPos()[0].x;
y=table.GetSnake()->GetPos()[0].y;
x_pos = x*20+WALL_WIDTH;
y_pos = y*20+WALL_HEIGHT;
state=table.GetSnake()->GetStateArray()[0];
switch(state)
{
case M_UP_UP:
BitBlt(hdc,x_pos,y_pos,20,20,picDC,80,20,SRCPAINT);
BitBlt(hdc,x_pos,y_pos,20,20,picDC,0,20,SRCAND);
break;
case M_DOWN_DOWN:
BitBlt(hdc,x_pos,y_pos,20,20,picDC,140,20,SRCPAINT);
BitBlt(hdc,x_pos,y_pos,20,20,picDC,60,20,SRCAND);
break;
case M_LEFT_LEFT:
BitBlt(hdc,x_pos,y_pos,20,20,picDC,100,20,SRCPAINT);
BitBlt(hdc,x_pos,y_pos,20,20,picDC,20,20,SRCAND);
break;
case M_RIGHT_RIGHT:
BitBlt(hdc,x_pos,y_pos,20,20,picDC,120,20,SRCPAINT);
BitBlt(hdc,x_pos,y_pos,20,20,picDC,40,20,SRCAND);
break;
}
//根据各个蛇身节点的状态绘制蛇身的形状
for(i=1;iGetLength()-1;i++)
{
x=table.GetSnake()->GetPos()[i].x;
y=table.GetSnake()->GetPos()[i].y;
x_pos = x*20+WALL_WIDTH;
y_pos = y*20+WALL_HEIGHT;
state=table.GetSnake()->GetStateArray()[i];
switch(state)
{
case M_UP_UP:
case M_DOWN_DOWN:
BitBlt(hdc,x_pos,y_pos,20,20,picDC,80,40,SRCPAINT);
BitBlt(hdc,x_pos,y_pos,20,20,picDC,0,40,SRCAND);
break;
case M_LEFT_LEFT:
case M_RIGHT_RIGHT:
BitBlt(hdc,x_pos,y_pos,20,20,picDC,100,40,SRCPAINT);
BitBlt(hdc,x_pos,y_pos,20,20,picDC,20,40,SRCAND);
break;
case M_RIGHT_DOWN:
case M_UP_LEFT:
BitBlt(hdc,x_pos,y_pos,20,20,picDC,100,60,SRCPAINT);
BitBlt(hdc,x_pos,y_pos,20,20,picDC,20,60,SRCAND);
break;
case M_LEFT_DOWN:
case M_UP_RIGHT:
BitBlt(hdc,x_pos,y_pos,20,20,picDC,80,60,SRCPAINT);
BitBlt(hdc,x_pos,y_pos,20,20,picDC,0,60,SRCAND);
break;
case M_RIGHT_UP:
case M_DOWN_LEFT:
BitBlt(hdc,x_pos,y_pos,20,20,picDC,140,40,SRCPAINT);
BitBlt(hdc,x_pos,y_pos,20,20,picDC,60,40,SRCAND);
break;
case M_LEFT_UP:
case M_DOWN_RIGHT:
BitBlt(hdc,x_pos,y_pos,20,20,picDC,120,40,SRCPAINT);
BitBlt(hdc,x_pos,y_pos,20,20,picDC,40,40,SRCAND);
break;
}
}
//绘制蛇尾巴
x=table.GetSnake()->GetPos()[table.GetSnake()->GetLength()-1].x;
y=table.GetSnake()->GetPos()[table.GetSnake()->GetLength()-1].y;
x_pos = x*20+WALL_WIDTH;
y_pos = y*20+WALL_HEIGHT;
state=table.GetSnake()->GetStateArray()[table.GetSnake()->GetLength()-1];
switch(state)
{
case M_UP_UP:
BitBlt(hdc,x_pos,y_pos,20,20,picDC,120,60,SRCPAINT);
BitBlt(hdc,x_pos,y_pos,20,20,picDC,40,60,SRCAND);
break;
case M_DOWN_DOWN:
BitBlt(hdc,x_pos,y_pos,20,20,picDC,120,0,SRCPAINT);
BitBlt(hdc,x_pos,y_pos,20,20,picDC,40,0,SRCAND);
break;
case M_LEFT_LEFT:
BitBlt(hdc,x_pos,y_pos,20,20,picDC,140,60,SRCPAINT);
BitBlt(hdc,x_pos,y_pos,20,20,picDC,60,60,SRCAND);
break;
case M_RIGHT_RIGHT:
BitBlt(hdc,x_pos,y_pos,20,20,picDC,140,0,SRCPAINT);
BitBlt(hdc,x_pos,y_pos,20,20,picDC,60,0,SRCAND);
break;
}
if(uGameState == GAME_STATE_END)
{//绘制游戏结束图像
int x_pos = g_iClientWidth/3;
int y_pos = g_iClientHeight/4;
BitBlt(hdc, x_pos, y_pos, 369, 300, endDC, 0, 0, SRCCOPY);
}
}