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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 Direct calls to SwapBuffers and glXSwapBuffers have been replaced by a SwapBuffers method of Window.

Browse Source 
~g2k
This commit is contained in:
Tom Hicks
2005-06-26 10:56:45 -04:00
parent 6e11904c95
commit 7aae80da7a
3 changed files with 251 additions and 184 deletions
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7
src/linux.cpp
View File

@@ -60,11 +60,8 @@ int DrawGLScene()
{
level.Render();
//Maybe this should be integrated into the Window class
if(g_Screen.doubleBuffered)
{
glXSwapBuffers(g_Screen.display, g_Screen.window);
}
g_Screen.SwapBuffers();
return true;
}

242
src/window.cpp Normal file
View File

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

186
src/windows.cpp
View File

@@ -48,8 +48,6 @@ using namespace std;
void InitControls();
int InitGL(GLvoid);
void ReSizeGLScene(GLsizei width, GLsizei height);
bool CreateGLWindow(string title, int width, int height, int bits, bool fullscreenflag);
void KillGLWindow();
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow);
LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
@@ -127,178 +125,6 @@ void ReSizeGLScene(GLsizei width, GLsizei height)
glLoadIdentity();
}
void KillGLWindow()
{
if (g_Screen.fullscreen)
{
ChangeDisplaySettings(NULL, 0);
ShowCursor(true/*false*/);
}
if (hRC)
{
if (!wglMakeCurrent(NULL, NULL))
MessageBox(NULL,"Release Of DC And RC Failed.","SHUTDOWN ERROR",MB_OK | MB_ICONINFORMATION);
if (!wglDeleteContext(hRC))
MessageBox(NULL,"Release Rendering Context Failed.","SHUTDOWN ERROR",MB_OK | MB_ICONINFORMATION);
hRC=NULL;
}
if (hDC && !ReleaseDC(g_hWnd, hDC))
{
MessageBox(NULL,"Release Device Context Failed.","SHUTDOWN ERROR",MB_OK | MB_ICONINFORMATION);
hDC=NULL;
}
if (g_hWnd && !DestroyWindow(g_hWnd))
{
MessageBox(NULL,"Could Not Release hWnd.","SHUTDOWN ERROR",MB_OK | MB_ICONINFORMATION);
g_hWnd=NULL;
}
if (!UnregisterClass("OpenArena v0.1.0", hInstance))
{
MessageBox(NULL,"Could Not Unregister Class.","SHUTDOWN ERROR",MB_OK | MB_ICONINFORMATION);
hInstance=NULL;
}
}
bool CreateGLWindow(string title, int width, int height, int bits, bool fullscreenflag)
{
unsigned int PixelFormat;
WNDCLASS wc;
DWORD dwExStyle;
DWORD dwStyle;
RECT WindowRect;
WindowRect.left=(long)0;
WindowRect.right=(long)width;
WindowRect.top=(long)0;
WindowRect.bottom=(long)height;
g_Screen.fullscreen = fullscreenflag;
g_Screen.width = width;
g_Screen.height = height;
g_Screen.bpp = bits;
g_Screen.name = title;
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 = "OpenArena v0.1.0";
if (!RegisterClass(&wc))
{
MessageBox(NULL,"Failed To Register The Window Class.","ERROR",MB_OK|MB_ICONEXCLAMATION);
return false;
}
if (g_Screen.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,"The Requested Fullscreen Mode Is Not Supported By\nYour Video Card. Use Windowed Mode Instead?","OpenArena",MB_YESNO|MB_ICONEXCLAMATION)==IDYES)
g_Screen.fullscreen = false;
else
{
MessageBox(NULL,"Program Will Now Close.","ERROR",MB_OK|MB_ICONSTOP);
return false;
}
}
}
if (g_Screen.fullscreen)
{
dwExStyle = WS_EX_APPWINDOW;
dwStyle = WS_POPUP;
ShowCursor(/*true*/false);
}
else
{
ShowCursor(false);
dwExStyle = WS_EX_APPWINDOW | WS_EX_WINDOWEDGE;
dwStyle = WS_OVERLAPPEDWINDOW;
}
AdjustWindowRectEx(&WindowRect, dwStyle, false, dwExStyle);
if (!(g_hWnd = CreateWindowEx(dwExStyle, "OpenArena v0.1.0", title.c_str(), WS_CLIPSIBLINGS | WS_CLIPCHILDREN | dwStyle, 0, 0, WindowRect.right-WindowRect.left, WindowRect.bottom-WindowRect.top, NULL, NULL, hInstance, NULL)))
{
KillGLWindow();
MessageBox(NULL,"Window Creation Error.","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(g_hWnd)))
{
KillGLWindow();
MessageBox(NULL,"Can't Create A GL Device Context.","ERROR",MB_OK|MB_ICONEXCLAMATION);
return false;
}
if (!(PixelFormat=ChoosePixelFormat(hDC,&pfd)))
{
KillGLWindow();
MessageBox(NULL,"Can't Find A Suitable PixelFormat.","ERROR",MB_OK|MB_ICONEXCLAMATION);
return false;
}
if(!SetPixelFormat(hDC,PixelFormat,&pfd))
{
KillGLWindow();
MessageBox(NULL,"Can't Set The PixelFormat.","ERROR",MB_OK|MB_ICONEXCLAMATION);
return false;
}
if (!(hRC=wglCreateContext(hDC)))
{
KillGLWindow();
MessageBox(NULL,"Can't Create A GL Rendering Context.","ERROR",MB_OK|MB_ICONEXCLAMATION);
return false;
}
if(!wglMakeCurrent(hDC,hRC))
{
KillGLWindow();
MessageBox(NULL,"Can't Activate The GL Rendering Context.","ERROR",MB_OK|MB_ICONEXCLAMATION);
return false;
}
ShowWindow(g_hWnd,SW_SHOW);
SetForegroundWindow(g_hWnd);
SetFocus(g_hWnd);
ReSizeGLScene(width, height);
if (!InitGL())
{
KillGLWindow();
MessageBox(NULL,"Initialization Failed.","ERROR",MB_OK|MB_ICONEXCLAMATION);
return false;
}
return true;
}
LRESULT CALLBACK WndProc(HWND hWnd,
UINT uMsg,
WPARAM wParam,
@@ -591,7 +417,9 @@ int WINAPI WinMain( HINSTANCE hInstance,
level.LoadMap();
}
if (!CreateGLWindow(string(OPENARENA_VERSION), level.screen.width, level.screen.height, level.screen.bpp, level.screen.fullscreen))
g_Screen.SetOnInit(InitGL);
g_Screen.SetOnResize(ReSizeGLScene);
if (!g_Screen.Open(string(OPENARENA_VERSION), level.screen.width, level.screen.height, level.screen.bpp, level.screen.fullscreen))
{
return 0;
}
@@ -916,14 +744,14 @@ int WINAPI WinMain( HINSTANCE hInstance,
}
}
SwapBuffers(hDC);
g_Screen.SwapBuffers();
if (keys[VK_F1])
{
keys[VK_F1]=false;
KillGLWindow();
g_Screen.Close();
g_Screen.fullscreen=!g_Screen.fullscreen;
if (!CreateGLWindow("OpenArena",g_Screen.width,g_Screen.height,g_Screen.bpp,g_Screen.fullscreen))
if (!g_Screen.Open("OpenArena",g_Screen.width,g_Screen.height,g_Screen.bpp,g_Screen.fullscreen))
{
return 0;
}
@@ -931,7 +759,7 @@ int WINAPI WinMain( HINSTANCE hInstance,
}
level.UnloadMap();
KillGLWindow();
g_Screen.Close();
return (msg.wParam);
}
#endif