013
26.11.2004, 16:07 Uhr
CaesarCortezz
minderer Student
|
| C++: |
#include <windows.h>
#include <gl\gl.h>
#include <gl\glu.h>
// #include <gl\glaux.h>
HGLRC hRC=NULL;
HDC hDC=NULL;
HWND hWnd=NULL;
HINSTANCE hInstance;
bool keys[256];
bool active=true;
bool fullscreen=false;
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
GLvoid ReSizeGLScene(GLsizei width, GLsizei height) {
height=1;
}
glViewport(0, 0, width, height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(45.0f, (GLFloat)width/(GLfloat)height0.1f, 100.0f);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
int InitGL(GLvoid) {
glShadeModel(GL_SMOOTH);
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glClearDepth(1.0f);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LEQUAL);
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
return true;
}
int glDrawScene(GLvoid) {
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glLoadIdentity();
return true;
}
GLvoid KillGLWindow(GLvoid) {
if (fullscreen) {
ChangeDisplaySettings(NULL, 0);
ShowCursor=true;
}
if(hRC) {
if(!wglMakeCurrent(NULL,NULL)) {
MessageBox(NULL, "Zurückkehren auf den Desktop fehlgeschlagen", "Shutdown Error", MB_OK | MB_ICONINFORMATION);
}
hRC=NULL;
}
if (!wglDeleteContext(hRC)) {
MessageBox(NULL, "Release device context failed", "Shutdown error", MB_OK | MB_ICONINFORMATION);
hDC=NULL;
}
if (hWnd && !DestroyWindow(hWnd)) {
MessageBox(NULL, "Could not release hWnd", "Shutdown error", MB_OK | MB_ICONINFORMATION);
hInstance=NULL;
}
}
bool CreateGLWindow(char* title, int width, int heigth, int bits, bool fullscreenflag) {
GLuint PixelFormat;
WNDCLASS wc;
DWORD dwExStyle;
DWORD dwStyle;
RECT WindowRect;
WindowRect.left=(long)0;
WindowRect.right=(long)width;
WindowRect.top=(long)0;
WindowRect.bottom=(long)heigth;
fullscreen=fullscreenflag;
hInstance = GetModuleHandle(NULL);
wc.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC;
wc.lpfnWndProc = (WNDPROC) WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = LoadIcon(NULL, IDI_WINLOGO);
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground= NULL;
wc.lpszMenuName = NULL;
wc.lpszClassName= "OpenGL";
if (!RegisterClass(&wc)) {
MessageBox(NULL, "failed to register wc", "Shutdown Error", MB_OK | MB_ICONEXCLAMATION);
return false;
}
if (fullscreen) {
DEVMODE dmScreenSettings;
memset(&dmScreenSettings, 0, sizeof(dmScreenSettings));
dmScreenSettings.dmSize = sizeof(dmScreenSettings);
dmScreenSettings.dmPelsWidth = width;
dmScreenSettings.dmPelsHeight = height;
dmScreenSettings.dmBitsPerPel = bits;
dmScreenSettings.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
if(ChangeDisplaySettings(&dmScreenSettings,CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL) {
if (MessageBox(NULL, "ERROR, wollen sie ein Fenster?", "Jay-GL", MB_YESNO|MB_ICONEXCLAMATION)==IDYES) {
fullscreen=false;
}
else {
MessageBox(NULL, "Program is shuting down", "ERROR", MB_OK|MB_ICONSTOP);
return false;
}
}
}
if (fullscreen) {
dwExStyle = WS_EX_APPWINDOW;
dwStyle = WS_POPUP;
ShowCursor = false;
}
else {
dwExStyle = WS_EX_APPWINDOW | WS_EX_WINDOWEDGE;
dwStyle = WS_OVERLAPPEDWINDOW;
}
AdjustWindowRectEx(&WindowRect, dwStyle, false, dwExStyle);
if (!(hWnd=CreateWindowEx( dwExStyle,
"OpenGL",
title,
WS_CLIPSIBLINGS |
WS_CLIPCHILDREN |
dwStyle,
0, 0,
WindowRect.right-WindowRect.left,
WindowRect.bottom-WindowRect.top,
NULL,
NULL,
hInstance,
NULL))) {
KillGLWindow();
MessageBox(NULL, "Fenster kann net erstellt werden", "ERROR", MB_OK|MB_ICONEXCLAMATION);
return false;
}
static PIXELFORMATDESCRIPTOR pfd= {
sizeof(PIXELFORMATDESCRIPTOR),
1,
PFD_DRAW_TO_WINDOW |
PFD_SUPPORT_OPENGL |
PFD_DOUBLEBUFFER,
PFD_TYPE_RGBA,
bits,
0, 0, 0, 0, 0, 0,
0,
0,
0,
0, 0, 0, 0,
16,
0,
0,
PFD_MAIN_PLANE,
0,
0, 0, 0
};
if(!(hDC=GetDC(hWnd)) {
KillGLWindow();
MessageBox(NULL, "Device Context fucked up", "ERROR", MB_OK|MB_ICONEXCLAMATION);
return false;
}
if (!(PixelFormat=ChoosePixelFormat(hDC,&pfd))) {
KillGLWindow();
MessageBox(NULL, "Pixel Format fucked up", "ERROR", MB_OK|MB_ICONEXCLAMATION);
return false;
}
if (!SetPixelFormat(hDC,PixelFormat, &pfd)) {
KillGLWindow();
MessageBox(NULL, "Pixel Format set fucked up", "ERROR", MB_OK|MB_ICONEXCLAMATION);
return false;
}
if (!(hRC=wglCreateContext(hDC))) {
KillGLWindow();
MessageBox(NULL, "Rendering Context fucked up", "ERROR", MB_OK|MB_ICONEXCLAMATION);
return false;
}
if (!wglMakeCurrent(hDC, hRC)) {
KillGLWindow();
MessageBox(NULL, "Rendering Context fucked up", "ERROR", MB_OK|MB_ICONEXCLAMATION);
return false;
}
ShowWindow(hWnd, SW_SHOW);
SetForegroundWindow(hWnd);
SetFocus(hWnd);
ReSizeGLScene(width, height);
if (!InitGL()) {
KillGLWindow();
MessageBox(NULL, "Initialisation fucked up", "ERROR", MB_OK|MB_ICONEXCLAMATION);
return false;
}
return true;
}
LRESULT CALLBACK WndProc( HWND hWnd;
UINT uMsg;
WPARAM wParam;
LPARAM lParam)
{
switch(uMsg) {
case WM_ACTIVATE: {
if(!HIWORD(wParam)) {
activate=true;
}
else {
activate=false;
}
return 0;
}
case WM_SYSCOMMAND: {
switch (wParam) {
case SC_SCREENSAVE:
case SC_MONITORPOWER:
return 0;
}
break;
}
|
errors:
| Zitat: |
21 D tools\C++Dev5\Projekte\main.cpp `width' was not declared in this scope
21 Dtools\C++Dev5\Projekte\main.cpp `height' was not declared in this scope
21 Dtools\C++Dev5\Projekte\main.cpp ISO C++ forbids declaration of `glViewport' with no type
|
und so geht das ne weile...
--
Thus spake the master programmer:
``When the program is being tested, it is too late to make design changes.'' |
