Changed: Partially abstracted the windows version of OpenArena::Window CreateGLWindow and KillGLWindow are now part of the Window class. ResizeGLScene and InitGL are now callbacks. Direct calls to SwapBuffers and glXSwapBuffers have been replaced by a SwapBuffers method of Window.
~g2k
This commit is contained in:
242
src/window.cpp
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242
src/window.cpp
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#include "../include/window.h"
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void OpenArena::Window::SwapBuffers()
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{
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#ifdef __linux
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if(doubleBuffered)
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{
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glXSwapBuffers(display, window);
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}
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#endif
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#ifdef WIN32
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::SwapBuffers(deviceContext);
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#endif
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}
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void OpenArena::Window::Close()
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{
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#ifdef WIN32
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if (fullscreen)
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{
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ChangeDisplaySettings(NULL, 0);
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ShowCursor(true/*false*/);
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}
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if (glContext)
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{
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if (!wglMakeCurrent(NULL, NULL))
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MessageBox(NULL,"Release Of DC And RC Failed.","SHUTDOWN ERROR",MB_OK | MB_ICONINFORMATION);
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if (!wglDeleteContext(glContext))
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MessageBox(NULL,"Release Rendering Context Failed.","SHUTDOWN ERROR",MB_OK | MB_ICONINFORMATION);
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glContext=NULL;
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}
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if (deviceContext && !ReleaseDC(window, deviceContext))
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{
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MessageBox(NULL,"Release Device Context Failed.","SHUTDOWN ERROR",MB_OK | MB_ICONINFORMATION);
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deviceContext=NULL;
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}
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if (window && !DestroyWindow(window))
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{
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MessageBox(NULL,"Could Not Release hWnd.","SHUTDOWN ERROR",MB_OK | MB_ICONINFORMATION);
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window=NULL;
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}
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if (!UnregisterClass("OpenArena v0.1.0", instance))
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{
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MessageBox(NULL,"Could Not Unregister Class.","SHUTDOWN ERROR",MB_OK | MB_ICONINFORMATION);
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instance=NULL;
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}
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#endif
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}
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bool OpenArena::Window::Open()
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{
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unsigned int PixelFormat;
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WNDCLASS wc;
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DWORD dwExStyle;
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DWORD dwStyle;
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RECT WindowRect;
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WindowRect.left=(long)0;
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WindowRect.right=(long)width;
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WindowRect.top=(long)0;
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WindowRect.bottom=(long)height;
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instance = GetModuleHandle(NULL);
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wc.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC;
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wc.lpfnWndProc = (WNDPROC)WndProc;
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wc.cbClsExtra = 0;
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wc.cbWndExtra = 0;
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wc.hInstance = instance;
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wc.hIcon = LoadIcon(NULL, IDI_WINLOGO);
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wc.hCursor = LoadCursor(NULL, IDC_ARROW);
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wc.hbrBackground = NULL;
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wc.lpszMenuName = NULL;
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wc.lpszClassName = "OpenArena v0.1.0";
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if (!RegisterClass(&wc))
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{
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MessageBox(NULL,"Failed To Register The Window Class.","ERROR",MB_OK|MB_ICONEXCLAMATION);
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return false;
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}
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if (fullscreen)
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{
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DEVMODE dmScreenSettings;
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memset(&dmScreenSettings, 0, sizeof(dmScreenSettings));
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dmScreenSettings.dmSize = sizeof(dmScreenSettings);
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dmScreenSettings.dmPelsWidth = width;
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dmScreenSettings.dmPelsHeight = height;
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dmScreenSettings.dmBitsPerPel = bpp;
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dmScreenSettings.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
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if (ChangeDisplaySettings(&dmScreenSettings, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
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{
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if (MessageBox(NULL,"The Requested Fullscreen Mode Is Not Supported By\nYour Video Card. Use Windowed Mode Instead?","OpenArena",MB_YESNO|MB_ICONEXCLAMATION)==IDYES)
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fullscreen = false;
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else
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{
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MessageBox(NULL,"Program Will Now Close.","ERROR",MB_OK|MB_ICONSTOP);
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return false;
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}
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}
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}
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if (fullscreen)
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{
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dwExStyle = WS_EX_APPWINDOW;
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dwStyle = WS_POPUP;
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ShowCursor(/*true*/false);
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}
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else
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{
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ShowCursor(false);
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dwExStyle = WS_EX_APPWINDOW | WS_EX_WINDOWEDGE;
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dwStyle = WS_OVERLAPPEDWINDOW;
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}
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AdjustWindowRectEx(&WindowRect, dwStyle, false, dwExStyle);
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if (!(window = CreateWindowEx(dwExStyle, "OpenArena v0.1.0", name.c_str(), WS_CLIPSIBLINGS | WS_CLIPCHILDREN | dwStyle, 0, 0, WindowRect.right-WindowRect.left, WindowRect.bottom-WindowRect.top, NULL, NULL, instance, NULL)))
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{
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Close();
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MessageBox(NULL,"Window Creation Error.","ERROR",MB_OK|MB_ICONEXCLAMATION);
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return false;
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}
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static PIXELFORMATDESCRIPTOR pfd={sizeof(PIXELFORMATDESCRIPTOR), 1, PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER, PFD_TYPE_RGBA, bpp, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 16, 0, 0, PFD_MAIN_PLANE, 0, 0, 0, 0 };
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if (!(deviceContext=GetDC(window)))
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{
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Close();
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MessageBox(NULL,"Can't Create A GL Device Context.","ERROR",MB_OK|MB_ICONEXCLAMATION);
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return false;
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}
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if (!(PixelFormat=ChoosePixelFormat(deviceContext,&pfd)))
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{
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Close();
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MessageBox(NULL,"Can't Find A Suitable PixelFormat.","ERROR",MB_OK|MB_ICONEXCLAMATION);
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return false;
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}
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if(!SetPixelFormat(deviceContext,PixelFormat,&pfd))
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{
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Close();
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MessageBox(NULL,"Can't Set The PixelFormat.","ERROR",MB_OK|MB_ICONEXCLAMATION);
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return false;
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}
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if (!(glContext=wglCreateContext(deviceContext)))
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{
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Close();
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MessageBox(NULL,"Can't Create A GL Rendering Context.","ERROR",MB_OK|MB_ICONEXCLAMATION);
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return false;
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}
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if(!wglMakeCurrent(deviceContext,glContext))
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{
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Close();
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MessageBox(NULL,"Can't Activate The GL Rendering Context.","ERROR",MB_OK|MB_ICONEXCLAMATION);
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return false;
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}
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ShowWindow(window,SW_SHOW);
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SetForegroundWindow(window);
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SetFocus(window);
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OnResize(width, height);
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if (!OnInit())
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{
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Close();
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MessageBox(NULL,"Initialization Failed.","ERROR",MB_OK|MB_ICONEXCLAMATION);
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return false;
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}
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return true;
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}
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bool OpenArena::Window::Open(string title, int width, int height, int bits, bool fullscreenflag)
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{
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fullscreen = fullscreenflag;
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width = width;
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height = height;
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bpp = bits;
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name = title;
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return Open();
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}
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OpenArena::Window::Window()
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{
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OnInit = OpenArena::DefaultInit;
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OnResize = OpenArena::DefaultResize;
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}
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OpenArena::Window::~Window()
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{
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}
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void OpenArena::Window::SetOnInit(InitFunc function)
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{
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OnInit = function;
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}
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void OpenArena::Window::SetOnResize(ResizeFunc function)
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{
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OnResize = function;
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}
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int OpenArena::DefaultInit()
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{
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glEnable(GL_TEXTURE_2D);
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glShadeModel(GL_SMOOTH);
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glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
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glClearDepth(1.0f);
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glEnable(GL_DEPTH_TEST);
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glDepthFunc(GL_LEQUAL);
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glBlendFunc(GL_SRC_ALPHA, GL_ONE);
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glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
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return true;
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}
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void OpenArena::DefaultResize(GLsizei width, GLsizei height)
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{
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if (height==0)
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height=1;
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glViewport(0, 0, width, height);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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gluPerspective(45.0f, (GLfloat)width/(GLfloat)height, 0.1f, 100.0f);
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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}
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