LRESULT CALLBACK WndProc(HWND hWnd,UINT uMsg,WPARAM wParam,LPARAM lParam)
{
switch(uMsg) {
case WM_SYSCOMMAND:
{
switch (wParam) {
case SC_SCREENSAVE:
case SC_MONITORPOWER:
return 0;
}
break;
}
case WM_CLOSE:
PostQuitMessage(0);
return 0;
case WM_SIZE:
render_resize(LOWORD(lParam),HIWORD(lParam));
return 0;
}
return DefWindowProc(hWnd,uMsg,wParam,lParam);
}
bool createWindow(char* title, int width, int height)
{
WNDCLASS wc;
RECT rect;
rect.left=0;
rect.right=width;
rect.top=0;
rect.bottom=height;
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 = SAMPLE_NAME;
if(!RegisterClass(&wc)) {
return false;
}
AdjustWindowRectEx(&rect, WS_OVERLAPPEDWINDOW, FALSE, WS_EX_APPWINDOW | WS_EX_WINDOWEDGE);
if(!(hWnd=CreateWindowEx(WS_EX_APPWINDOW|WS_EX_WINDOWEDGE,SAMPLE_NAME,title,
WS_OVERLAPPEDWINDOW|WS_CLIPSIBLINGS|WS_CLIPCHILDREN,
0,0,rect.right-rect.left,rect.bottom-rect.top,
NULL,NULL,hInstance,NULL))) {
releaseWindow();
return false;
}
static PIXELFORMATDESCRIPTOR pfd = {
sizeof(PIXELFORMATDESCRIPTOR),
1,
PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER,
PFD_TYPE_RGBA,
32,
0, 0,
0, 0,
0, 0,
0, 0,
0,
0, 0, 0, 0,
32,
0,
0,
PFD_MAIN_PLANE,
0,
0, 0, 0
};
if(!(hDC=GetDC(hWnd)))
{
releaseWindow();
OutputDebugString("");
return FALSE;
}
int pixelformat;
if ( (pixelformat = ChoosePixelFormat(hDC, &pfd)) == 0 ){
OutputDebugString("ChoosePixelFormat Failed....");
return FALSE;
}
if (SetPixelFormat(hDC, pixelformat, &pfd) == FALSE){
OutputDebugString("SetPixelFormat Failed....");
return FALSE;
}
if (!(hRC=wglCreateContext(hDC))){
OutputDebugString("Creating HGLRC Failed....");
return FALSE;
}
// Set Vsync
//BOOL (WINAPI *wglSwapIntervalEXT)(int) = NULL;
//if(strstr((char*)glGetString( GL_EXTENSIONS ),"WGL_EXT_swap_control")== 0) {
//}
//else {
//wglSwapIntervalEXT = (BOOL (WINAPI*)(int))wglGetProcAddress("wglSwapIntervalEXT");
//if(wglSwapIntervalEXT) wglSwapIntervalEXT(1);
//}
wglMakeCurrent(hDC,hRC);
ShowWindow(hWnd,SW_SHOW);
SetForegroundWindow(hWnd);
SetFocus(hWnd);
render_resize(width, height);
glClearColor(0.0f,0.0f,0.0f,0.0f);
glClearDepth(1.0f);
return TRUE;
}
void input_update()
{
/*
Converts SDL event data into internal format which serves as an intermediary
between SDL events and input relevent to specific game phases.
Unlike input_reset, can be called an arbitrary number of times per tick, from
either thread.
*/
// Update key vars
while(SDL_PollEvent(&in_event))
{
switch(in_event.type)
{
case SDL_MOUSEMOTION:
in_cursorx = in_event.motion.x;
in_cursory = in_event.motion.y;
break;
case SDL_MOUSEBUTTONDOWN:
switch(in_event.button.button)
{
case SDL_BUTTON_LEFT:
in_leftmousepress = 1;
in_leftmousehold = 1;
break;
case SDL_BUTTON_RIGHT:
in_rightmousepress = 1;
in_rightmousehold = 1;
break;
}
break;
case SDL_MOUSEBUTTONUP:
switch(in_event.button.button)
{
case SDL_BUTTON_LEFT:
in_leftmousehold = 0;
break;
case SDL_BUTTON_RIGHT:
in_rightmousehold = 0;
break;
}
break;
case SDL_MOUSEWHEEL:
in_deltamousewheel+= in_event.wheel.y;
break;
case SDL_KEYDOWN: // FLAG 'a' is 97
if(in_event.key.keysym.sym<INPUT_KEYS)
{
in_keypress[in_event.key.keysym.sym] = 1;
in_keyhold[in_event.key.keysym.sym] = 1;
if(in_event.key.keysym.sym==113) exit(1); // FLAG instaclose
//printf("%d\n",in_event.key.keysym.sym); // FLAG
}
break;
case SDL_KEYUP:
if(in_event.key.keysym.sym<INPUT_KEYS)
{
in_keyhold[in_event.key.keysym.sym] = 0;
}
break;
case SDL_WINDOWEVENT:
switch(in_event.window.event)
{
// for full list see http://wiki.libsdl.org/SDL_WindowEvent
case SDL_WINDOWEVENT_CLOSE:
exit(1); // FLAG make a function for forced closure
break;
case SDL_WINDOWEVENT_RESIZED:
{
render_resize(in_event.window.data1,in_event.window.data2);
debug_message("Resize: %d %d\n",
in_event.window.data1,
in_event.window.data2);
//xx
}
break;
}
break;
}
}
}
