int main(int argc, char** argv) { (void) argc; (void) argv; /*srand(time(NULL));*/ #ifdef WIN32 { LARGE_INTEGER divisor; QueryPerformanceFrequency(&divisor); clockDivisor = divisor.QuadPart; } #else clockDivisor = CLOCKS_PER_SEC; #endif printf("Starting\nClock divisor: %lu\n", clockDivisor); struct graphics g = { #ifdef SHOWKEYS .width = 100, .height = 100, #else .width = 1200, .height = 900, #endif }; initiateGraphics(&g, "Test window"); if(!g.window) goto CLEANUP; /*thread t;*/ /*newThread(test, NULL, &t);*/ clockType frameStart, frameEnd, gameStart; getClockTime(&frameStart); initLogic(); loadEntities(); loadTileTextures(); initializeWorld(); initializeBullets(); initializeItems(); initializeItemFunctions(); luaStart(); getClockTime(&gameStart); while(1){ cameraTick(); renderGraphics(&g); oldMouseState = mouseState; mouseState = SDL_GetMouseState(&mouseX, &mouseY); if(oldMouseState != mouseState){ mouseEvent(); } for(SDL_Event event; SDL_PollEvent(&event);){ switch(event.type){ case SDL_QUIT: goto CLEANUP; case SDL_KEYDOWN: case SDL_KEYUP: if(event.key.keysym.scancode == 0x14) goto CLEANUP; //TODO keyEvent(event.key); break; } } getClockTime(&frameEnd); frameTime = getDiffClock(frameStart, frameEnd); appTime = getDiffClock(gameStart, frameEnd); frameStart = frameEnd; gameUpdate(); } CLEANUP: luaEnd(); uninitializeItems(); uninitializeItemFunctions(); uninitializeBullets(); uninitializeWorld(); unloadTileTextures(); unloadEntities(); destroyGraphics(&g); return 0; } float normalRandomFloat(){ return ((float) rand()) / ((float) RAND_MAX); } float randomFloat(float a, float b){ float diff = b - a; return a + normalRandomFloat() * diff; }
int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrevInst, LPSTR lpszCmdLine, int nCmdShow) { wchar_t progname[] = L"CerealBox"; windata.gameoutput.graphic.width = 1920/2; windata.gameoutput.graphic.height = 1080/2; windata.running = ootrue; windata.gameMemory = (void *) calloc((size_t)gameMemorySize(), 1L); oouint audioBufferSize = win32AudioBufferSize(); windata.gameoutput.audio.buffer = (ooshort *) calloc((size_t)audioBufferSize, 1L); oouint audioFramesPerSecond = win32AudioFramesPerSecond(); WNDCLASSEXW winclass; ZeroMemory(&winclass, sizeof(WNDCLASSEXW)); MSG msg; winclass.cbSize = sizeof(WNDCLASSEXW); winclass.style = CS_DBLCLKS; winclass.lpfnWndProc = &winproc; winclass.cbClsExtra = 0; winclass.cbWndExtra = 0; winclass.hInstance = hInst; winclass.hIcon = LoadIcon(NULL,IDI_WINLOGO); winclass.hCursor = LoadCursor(NULL,IDC_ARROW); winclass.lpszClassName = progname; if(!RegisterClassExW(&winclass)) { return 0; } oouint startX = 100; oouint startY = 100; DWORD windowStyle = WS_SYSMENU|WS_CAPTION|WS_BORDER|WS_OVERLAPPED|WS_VISIBLE|WS_MINIMIZEBOX; #ifdef OO_FULLSCREEN windowStyle = WS_EX_TOPMOST | WS_POPUP; win32GetScreenResolution(&windata.gameoutput.graphic.width, &windata.gameoutput.graphic.height); startX = 0; startY = 0; #endif RECT wr = {0, 0, windata.gameoutput.graphic.width, windata.gameoutput.graphic.height}; AdjustWindowRect(&wr, windowStyle, FALSE); windata.window = CreateWindowW( progname, progname, windowStyle, startX, startY, wr.right - wr.left, wr.bottom - wr.top, NULL, NULL, hInst, NULL); initGraphics(&windata); win32AudioInit(windata.window); ShowWindow(windata.window,nCmdShow); UpdateWindow(windata.window); LARGE_INTEGER timeFrequency; QueryPerformanceFrequency(&timeFrequency); LARGE_INTEGER lastTime; ZeroMemory(&lastTime, sizeof(LARGE_INTEGER) ); LARGE_INTEGER time; windata.gameinput.dt = 1.f/60.f; windata.windowDC = GetDC(windata.window); ooint monitorRefreshHz = 60; oofloat frameMs = 1.f / (oofloat)monitorRefreshHz; ooint win32RefreshRate = GetDeviceCaps(windata.windowDC, VREFRESH); if( win32RefreshRate>1 ) { monitorRefreshHz = win32RefreshRate; frameMs = 1.f / (oofloat)monitorRefreshHz; } while( windata.running ) { PeekMessage(&msg,NULL,0,0,PM_REMOVE); if(msg.message == WM_QUIT) { break; } TranslateMessage(&msg); DispatchMessage(&msg); win32ProcessMouseEvents(windata.window, &windata); QueryPerformanceCounter(&time); if( lastTime.QuadPart>0 ) { windata.gameinput.dt = (oofloat)(time.QuadPart - lastTime.QuadPart); windata.gameinput.dt /= timeFrequency.QuadPart; windata.gameoutput.audio.framesToWrite = (oouint)(windata.gameinput.dt*audioFramesPerSecond); if(windata.gameoutput.audio.framesToWrite>audioBufferSize) { windata.gameoutput.audio.framesToWrite = audioBufferSize; } advanceGame(windata.gameMemory,&windata.gameinput,&windata.gameoutput); win32AudioOutput(windata.gameoutput.audio.buffer, windata.gameoutput.audio.framesToWrite); renderGraphics(&windata); } lastTime = time; } ReleaseDC(windata.window, windata.windowDC); destroyGraphics(&windata); win32AudioDestroy(); free(windata.gameMemory); free(windata.gameoutput.audio.buffer); return (msg.wParam); }