📄 lesson1.cpp
字号:
if (!(PixelFormat=ChoosePixelFormat(hDC,&pfd))) // Did Windows Find A Matching Pixel Format?
{
KillGLWindow(); // Reset The Display
MessageBox(NULL,"Can't Find A Suitable PixelFormat.","ERROR",MB_OK|MB_ICONEXCLAMATION);
return FALSE; // Return FALSE
}
if(!SetPixelFormat(hDC,PixelFormat,&pfd)) // Are We Able To Set The Pixel Format?
{
KillGLWindow(); // Reset The Display
MessageBox(NULL,"Can't Set The PixelFormat.","ERROR",MB_OK|MB_ICONEXCLAMATION);
return FALSE; // Return FALSE
}
if (!(hRC=wglCreateContext(hDC))) // Are We Able To Get A Rendering Context?
{
KillGLWindow(); // Reset The Display
MessageBox(NULL,"Can't Create A GL Rendering Context.","ERROR",MB_OK|MB_ICONEXCLAMATION);
return FALSE; // Return FALSE
}
if(!wglMakeCurrent(hDC,hRC)) // Try To Activate The Rendering Context
{
KillGLWindow(); // Reset The Display
MessageBox(NULL,"Can't Activate The GL Rendering Context.","ERROR",MB_OK|MB_ICONEXCLAMATION);
return FALSE; // Return FALSE
}
ShowWindow(hWnd,SW_SHOW); // Show The Window
SetForegroundWindow(hWnd); // Slightly Higher Priority
SetFocus(hWnd); // Sets Keyboard Focus To The Window
ReSizeGLScene(width, height); // Set Up Our Perspective GL Screen
if (!InitGL()) // Initialize Our Newly Created GL Window
{
KillGLWindow(); // Reset The Display
MessageBox(NULL,"Initialization Failed.","ERROR",MB_OK|MB_ICONEXCLAMATION);
return FALSE; // Return FALSE
}
return TRUE; // Success
}
LRESULT CALLBACK WndProc(HWND hWnd, // Handle For This Window
UINT uMsg, // Message For This Window
WPARAM wParam, // Additional Message Information
LPARAM lParam) // Additional Message Information
{
switch (uMsg) // Check For Windows Messages
{
case WM_ACTIVATE: // Watch For Window Activate Message
{
if (!HIWORD(wParam)) // Check Minimization State
{
active=TRUE; // Program Is Active
}
else
{
active=FALSE; // Program Is No Longer Active
}
return 0; // Return To The Message Loop
}
case WM_SYSCOMMAND: // Intercept System Commands
{
switch (wParam) // Check System Calls
{
case SC_SCREENSAVE: // Screensaver Trying To Start?
case SC_MONITORPOWER: // Monitor Trying To Enter Powersave?
return 0; // Prevent From Happening
}
break; // Exit
}
case WM_CLOSE: // Did We Receive A Close Message?
{
PostQuitMessage(0); // Send A Quit Message
return 0; // Jump Back
}
case WM_KEYDOWN: // Is A Key Being Held Down?
{
keys[wParam] = TRUE; // If So, Mark It As TRUE
return 0; // Jump Back
}
case WM_KEYUP: // Has A Key Been Released?
{
keys[wParam] = FALSE; // If So, Mark It As FALSE
return 0; // Jump Back
}
case WM_SIZE: // Resize The OpenGL Window
{
ReSizeGLScene(LOWORD(lParam),HIWORD(lParam)); // LoWord=Width, HiWord=Height
return 0; // Jump Back
}
}
return DefWindowProc(hWnd,uMsg,wParam,lParam);
}
int WINAPI WinMain( HINSTANCE hInstance, // Instance
HINSTANCE hPrevInstance, // Previous Instance
LPSTR lpCmdLine, // Command Line Parameters
int nCmdShow) // Window Show State
{
srand(GetTickCount());
MSG msg;
BOOL bQuit=FALSE;
if (!CreateGLWindow("俄罗斯方块OPENGL版V1.0",500,500,16,FALSE))
{
return 0;
}
while(!bQuit)
{
if (PeekMessage(&msg,NULL,0,0,PM_REMOVE))
{
if (msg.message==WM_QUIT)
{
bQuit=TRUE;
}
else
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
else
{
if (active)
{
if (keys[VK_ESCAPE])
{
bQuit=TRUE;
}
else if (keys['P'])
{
if ( gameplayer.GameState==GS_PAUSE)
{
gameplayer.GameState=GS_PLAY;
}
else
{
gameplayer.GameState=GS_PAUSE;
}
}
else if (keys['N'])
{
NewGame();
gameplayer.GameState=GS_PLAY;
}
else // Not Time To Quit, Update Screen
{
gameloop();
}
}
}
}
KillGLWindow(); // Kill The Window
return (msg.wParam); // Exit The Program
}
void drawnext()
{
int i,j;
int n;
n = nextmodel.textureid;
for(i=0;i<4;i++)
{
for(j=0;j<4;j++)
{
if(nextmodel.model[i][j]!= 0)
{
drawcell(290+20*i,450-20*j,n);
}
}
}
}
void gameloop()
{
if (gameplayer.GameState==GS_NONE)
{
drawmap();
}
if(gameplayer.GameState == GS_PLAY)
{
keyproc();
DWORD dwTime = GetTickCount();
if ((dwTime - gameplayer.dwTimeLamp)>(500-gameplayer.Level*20))
{
gameplayer.dwTimeLamp = dwTime;
currentmodel.CheckDrop();
}
drawmap();
}
if(gameplayer.GameState == GS_PAUSE)
{
drawmap();
}
}
void drawmap()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glLoadIdentity();
char buffer[256]; //256个字符的buffer
//画主框架
glDisable(GL_TEXTURE_2D); //关闭纹理，画线
glColor3f(1.0f,1.0f,1.0f);
glBegin(GL_LINE_STRIP);
glVertex2f(29,49);
glVertex2f(271,49);
glVertex2f(271,451);
glVertex2f(29,451);
glVertex2f(29,49);
glEnd();
glColor3f(0.3f,0.3f,0.3f);
glBegin(GL_LINES);
for(int i=1;i<12;i++)
{
glVertex2i(30+i*20,450);
glVertex2i(30+i*20,50);
}
for(i=1;i<20;i++)
{
glVertex2i(30,50+20*i);
glVertex2i(270,50+20*i);
}
glEnd();
glBegin(GL_LINES);
for(i=1;i<4;i++)
{
glVertex2i(290,450-20*i);
glVertex2i(370,450-20*i);
}
for(i=1;i<4;i++)
{
glVertex2i(290+20*i,450);
glVertex2i(290+20*i,370);
}
glEnd();
glColor3f(1.0f,1.0f,1.0f);
glBegin(GL_LINE_STRIP); //画nextmodel框架
glVertex2f(289,369);
glVertex2f(371,369);
glVertex2f(371,451);
glVertex2f(289,451);
glVertex2f(289,369);
glEnd();
glEnable(GL_TEXTURE_2D); //开启纹理
if (gameplayer.GameState!=GS_NONE)
{
for(int j= 0;j<20;j++) //画map上有model的地方
{
for(int i= 0;i<12;i++)
{
if(gameplayer.Map[i][j]!=0)
{
int x,y,n;
n =gameplayer.Map[i][j];
x = i*20;
y = j*20;
drawcell(30+x,450-y,n);
}
}
}
for(j= 0;j<4;j++) //画运动中的model
{
for(int i= 0;i<4;i++)
{
if (currentmodel.model[i][j]!= 0)
{
int x,y;
int n = currentmodel.textureid;
x = (currentmodel.x_pos +i)*20;
y = (currentmodel.y_pos +j)*20;
drawcell(30+x,450-y,n);
}
}
}
drawnext(); //画mextmodel
}
glColor3f(0.0f,1.0f,1.0f);
fNeHe.Print(80,470,"starwolf's first opengl game!");
wsprintf(buffer,"%d",gameplayer.dwScore);
fNeHe.Print(290,320,"score:");
fNeHe.Print(360,320,buffer);
wsprintf(buffer,"%d",gameplayer.Level);
fNeHe.Print(290,290,"level:");
fNeHe.Print(360,290,buffer);
wsprintf(buffer,"%d",gameplayer.Speed);
fNeHe.Print(290,260,"speed:");
fNeHe.Print(360,260,buffer);
glColor3f(1.0f,0.0f,0.0f);
fNeHe.Print(290,200,"P:Pause game");
fNeHe.Print(290,170,"N:New game");
glColor3f(0.0f,1.0f,1.0f);
fNeHe.Print(70,20,"press ESCAPE Key to quit the game:)");
if (gameplayer.GameState==GS_NONE)
{
glColor4f(1.0f,1.0f,1.0f,0.4f);
glEnable(GL_BLEND);
glBindTexture(GL_TEXTURE_2D,modeltexture[4]);
glBegin(GL_QUADS);
glTexCoord2f(0.0,0.0);glVertex2i(50,50);
glTexCoord2f(1.0,0.0);glVertex2i(450,50);
glTexCoord2f(1.0,1.0);glVertex2i(450,410);
glTexCoord2f(0.0,1.0);glVertex2i(50,410);
glEnd();
glDisable(GL_BLEND);
glColor3f(0.0f,1.0f,1.0f);
}
glFlush();
SwapBuffers(hDC);
}
void keyproc()
{
if (GetAsyncKeyState(VK_UP)>0x80000000)
{
if (!gameplayer.KeyState.KeyUpDown)
{
currentmodel.ShiftSheet();
gameplayer.KeyState.KeyUpDown=TRUE;
}
}
else
{
gameplayer.KeyState.KeyUpDown=FALSE;
}
if (GetAsyncKeyState(VK_LEFT)>0x80000000)
{
if (!gameplayer.KeyState.KeyLeftDown)
{
if (currentmodel.x_pos >0 )
{
currentmodel.x_pos--;
if (!currentmodel.CheckCurrSheet())
currentmodel.x_pos++;
//Player.x++;
}
gameplayer.KeyState.KeyLeftDown=TRUE;
gameplayer.KeyState.dwTimeLeftDown=GetTickCount();
}
else if((GetTickCount()-gameplayer.KeyState.dwTimeLeftDown )>150)
{
gameplayer.KeyState.KeyLeftDown=FALSE;
}
}
else
{
gameplayer.KeyState.KeyLeftDown=FALSE;
}
if (GetAsyncKeyState(VK_RIGHT)>0x80000000)
{
if (!gameplayer.KeyState.KeyRightDown)
{
if (currentmodel.x_pos <11)
{
currentmodel.x_pos++;
if (!currentmodel.CheckCurrSheet())
currentmodel.x_pos--;
}
gameplayer.KeyState.KeyRightDown=TRUE;
gameplayer.KeyState.dwTimeRightDown=GetTickCount();
}
else if((GetTickCount()-gameplayer.KeyState.dwTimeRightDown)>150)
{
gameplayer.KeyState.KeyRightDown=FALSE;
}
}
else
{
gameplayer.KeyState.KeyRightDown=FALSE;
}
if (GetAsyncKeyState(VK_DOWN)>0x80000000)
{
if (!gameplayer.KeyState.KeyDownDown)
{
currentmodel.y_pos++;
if (!currentmodel.CheckCurrSheet())
{
currentmodel.y_pos--;
}
gameplayer.KeyState.KeyDownDown=TRUE;
gameplayer.KeyState.dwTimeDDown=GetTickCount();
}
else if((GetTickCount()-gameplayer.KeyState.dwTimeDDown )>30)
{
gameplayer.KeyState.KeyDownDown=FALSE;
}
}
else
{
gameplayer.KeyState.KeyDownDown=FALSE;
}
}
void drawcell(int x,int y,int textureid)
/* 绘制俄罗斯方块的最小单元 textureid为1到4
|－－－－－－>X x,y为左上角坐标
|
|
|
|y
坐标系如上定义，textureid为纹理id */
{
glBindTexture(GL_TEXTURE_2D,modeltexture[textureid-1]);
glBegin(GL_QUADS);
glTexCoord2f(0.0,1.0);glVertex2i(x,y);
glTexCoord2f(1.0,1.0);glVertex2i(x+20,y);
glTexCoord2f(1.0,0.0);glVertex2i(x+20,y-20);
glTexCoord2f(0.0,0.0);glVertex2i(x,y-20);
glEnd();
}
void NewGame(void)
{
currentmodel.shapeid=rand()%7;
currentmodel.textureid=rand()%4+1;
currentmodel.x_pos=4;
currentmodel.y_pos=0;
CopyMemory(currentmodel.model,SheetsAddrTab[currentmodel.shapeid],16);
nextmodel.shapeid=rand()%7;
nextmodel.textureid=rand()%4+1;
CopyMemory(nextmodel.model,SheetsAddrTab[nextmodel.shapeid],16);
ZeroMemory(gameplayer.Map,12*20);
gameplayer.Level=1;
gameplayer.Speed=10;
gameplayer.dwScore=0;
gameplayer.dwTimeLamp=GetTickCount();
}
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -