//----------------------------------------------------------------------------
int WindowApplication::Main (int numArguments, char** arguments)
{
// Initialize the extra data. TODO: Port the extra-data system of WM4
// to WM5.
memset(gsExtraData, 0, APP_EXTRA_DATA_QUANTITY*sizeof(char));
WindowApplication* theApp = (WindowApplication*)TheApplication;
theApp->KEY_TERMINATE = KEY_ESCAPE;
// OpenGL uses a projection matrix for depth in [-1,1].
Camera::SetDefaultDepthType(Camera::PM_DEPTH_MINUS_ONE_TO_ONE);
// Allow work to be done before the window is created.
if (!theApp->OnPrecreate())
{
return -1;
}
// Connect to the X server.
const char* displayName = 0;
Display* display = XOpenDisplay(displayName);
if (!display)
{
return -2;
}
// Make sure the X server has OpenGL GLX extensions.
int errorBase, eventBase;
Bool success = glXQueryExtension(display, &errorBase, &eventBase);
assertion(success == True, "GLX extensions not found.\n");
if (!success)
{
return -3;
}
// Partial construction of a GLX renderer. The window for the renderer
// is not yet constructed. When it is, the window identifier is supplied
// to the renderer to complete its construction.
RendererInput input;
input.mDisplay = display;
input.mVisual = 0;
input.mContext = 0;
mRenderer = new0 Renderer(input, theApp->GetWidth(), theApp->GetHeight(),
mColorFormat, mDepthStencilFormat, mNumMultisamples);
if (!input.mVisual || !input.mContext)
{
return -4;
}
// Create an X Window with the visual information created by the renderer
// constructor. The visual information might not be the default, so
// create an X colormap to use.
Window rootWindow = RootWindow(display, input.mVisual->screen);
Colormap cMap = XCreateColormap(display, rootWindow,
input.mVisual->visual, AllocNone);
// Set the event mask to include exposure (paint), button presses (mouse),
// and key presses (keyboard).
XSetWindowAttributes windowAttributes;
windowAttributes.colormap = cMap;
windowAttributes.border_pixel = 0;
windowAttributes.event_mask =
ButtonPressMask |
ButtonReleaseMask |
PointerMotionMask |
Button1MotionMask |
Button2MotionMask |
Button3MotionMask |
KeyPressMask |
KeyReleaseMask |
ExposureMask |
StructureNotifyMask;
int xPos = theApp->GetXPosition();
int yPos = theApp->GetYPosition();
unsigned int width = (unsigned int)theApp->GetWidth();
unsigned int height = (unsigned int)theApp->GetHeight();
unsigned int borderWidth = 0;
unsigned long valueMask = CWBorderPixel | CWColormap | CWEventMask;
Window window = XCreateWindow(display, rootWindow, xPos, yPos, width,
height, borderWidth, input.mVisual->depth, InputOutput,
input.mVisual->visual, valueMask, &windowAttributes);
XSizeHints hints;
hints.flags = PPosition | PSize;
hints.x = xPos;
hints.y = yPos;
hints.width = width;
hints.height = height;
XSetNormalHints(display, window, &hints);
const char* iconName = theApp->GetWindowTitle();
Pixmap iconPixmap = None;
XSetStandardProperties(display, window, theApp->GetWindowTitle(),
iconName, iconPixmap, arguments, numArguments, &hints);
// Intercept the close-window event when the user selects the
// window close button. The event is a "client message".
Atom wmDelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
XSetWMProtocols(display, window, &wmDelete, 1);
// Finish the construction of the renderer.
GlxRendererData* data = (GlxRendererData*)mRenderer->mData;
if (!data->FinishConstruction(window, mRenderer))
{
return -5;
}
if (theApp->OnInitialize())
{
// The default OnPreidle() clears the buffers. Allow the application
// to fill them before the window is shown and before the event loop
// starts.
theApp->OnPreidle();
// Display the window.
XMapWindow(display, window);
// Start the message pump.
bool applicationRunning = true;
while (applicationRunning)
{
if (!XPending(display))
{
theApp->OnIdle();
continue;
}
XEvent evt;
XNextEvent(display, &evt);
int index;
bool state;
if (evt.type == ButtonPress || evt.type == ButtonRelease)
{
theApp->OnMouseClick(evt.xbutton.button, evt.xbutton.type,
evt.xbutton.x, evt.xbutton.y, evt.xbutton.state);
if (evt.type == ButtonPress)
{
index = GLXAPP_BUTTONDOWN + evt.xbutton.button;
state = true;
SetExtraData(index, sizeof(bool), &state);
}
else
{
index = GLXAPP_BUTTONDOWN + evt.xbutton.button;
state = false;
SetExtraData(index, sizeof(bool), &state);
}
continue;
}
if (evt.type == MotionNotify)
{
int button = 0;
index = GLXAPP_BUTTONDOWN + 1;
GetExtraData(index, sizeof(bool), &state);
if (state)
{
button = MOUSE_LEFT_BUTTON;
}
else
{
index = GLXAPP_BUTTONDOWN + 2;
GetExtraData(index, sizeof(bool), &state);
if (state)
{
button = MOUSE_MIDDLE_BUTTON;
}
else
{
index = GLXAPP_BUTTONDOWN + 3;
GetExtraData(index, sizeof(bool), &state);
if (state)
{
button = MOUSE_RIGHT_BUTTON;
}
}
}
if (button > 0)
{
theApp->OnMotion(button, evt.xmotion.x, evt.xmotion.y,
evt.xmotion.state);
}
else
{
theApp->OnPassiveMotion(evt.xmotion.x, evt.xmotion.y);
}
continue;
}
if (evt.type == KeyPress || evt.type == KeyRelease)
{
KeySym keySym = XKeycodeToKeysym(display,
evt.xkey.keycode, 0);
int key = (keySym & 0x00FF);
// Quit application if the KEY_TERMINATE key is pressed.
if (key == theApp->KEY_TERMINATE)
{
XDestroyWindow(display, window);
applicationRunning = false;
continue;
}
// Adjust for special keys that exist on the key pad and on
// the number pad.
if ((keySym & 0xFF00) != 0)
{
if (0x50 <= key && key <= 0x57)
{
// keypad Home, {L,U,R,D}Arrow, Pg{Up,Dn}, End
key += 0x45;
}
else if (key == 0x63)
{
// keypad Insert
key = 0x9e;
}
else if (key == 0xFF)
{
// keypad Delete
key = 0x9f;
}
else if (key == 0xE1 || key == 0xE2)
{
// L-shift or R-shift
key = KEY_SHIFT;
state = (evt.type == KeyPress);
SetExtraData(GLXAPP_SHIFTDOWN, sizeof(bool), &state);
}
else if (key == 0xE3 || key == 0xE4)
{
// L-ctrl or R-ctrl
key = KEY_CONTROL;
}
else if (key == 0xE9 || key == 0xEA)
{
// L-alt or R-alt
key = KEY_ALT;
}
else if (key == 0xEB || key == 0xEC)
{
key = KEY_COMMAND;
}
}
if ((KEY_HOME <= key && key <= KEY_END)
|| (KEY_F1 <= key && key <= KEY_F12)
|| (KEY_SHIFT <= key && key <= KEY_COMMAND))
{
if (evt.type == KeyPress)
{
theApp->OnSpecialKeyDown(key, evt.xbutton.x,
evt.xbutton.y);
}
else
{
theApp->OnSpecialKeyUp(key, evt.xbutton.x,
evt.xbutton.y);
}
}
else
{
// Get key-modifier state. Adjust for shift state.
unsigned char ucKey = (unsigned char)key;
GetExtraData(GLXAPP_SHIFTDOWN, sizeof(bool), &state);
if (state && 'a' <= ucKey && ucKey <= 'z')
{
ucKey = (unsigned char)(key - 32);
}
if (evt.type == KeyPress)
{
theApp->OnKeyDown(ucKey, evt.xbutton.x,
evt.xbutton.y);
}
else
{
theApp->OnKeyUp(ucKey, evt.xbutton.x,
evt.xbutton.y);
}
}
continue;
}
if (evt.type == Expose)
{
theApp->OnDisplay();
continue;
}
if (evt.type == ConfigureNotify)
{
theApp->OnMove(evt.xconfigure.x, evt.xconfigure.y);
theApp->OnResize(evt.xconfigure.width,
evt.xconfigure.height);
continue;
}
if (evt.type == ClientMessage
&& evt.xclient.data.l[0] == wmDelete)
{
XDestroyWindow(display, window);
applicationRunning = false;
continue;
}
}
}
theApp->OnTerminate();
XCloseDisplay(display);
return 0;
}
//----------------------------------------------------------------------------
int WindowApplication::Main (int, char**)
{
WindowApplication* theApp = (WindowApplication*)TheApplication;
theApp->KEY_TERMINATE = WindowApplication::KEY_ESCAPE;
#ifdef WM5_USE_DX9
// DirectX uses a projection matrix for depth in [0,1].
Camera::SetDefaultDepthType(Camera::PM_DEPTH_ZERO_TO_ONE);
#endif
#ifdef WM5_USE_OPENGL
// OpenGL uses a projection matrix for depth in [-1,1].
Camera::SetDefaultDepthType(Camera::PM_DEPTH_MINUS_ONE_TO_ONE);
#endif
// Allow work to be done before the window is created.
if (!theApp->OnPrecreate())
{
return -1;
}
// === Create the window for rendering. ===
// Register the window class.
static char sWindowClass[] = "Wild Magic 5 Application";
WNDCLASS wc;
wc.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC;
wc.lpfnWndProc = MsWindowEventHandler;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = 0;
wc.hIcon = LoadIcon(0, IDI_APPLICATION);
wc.hCursor = LoadCursor(0, IDC_ARROW);
wc.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
wc.lpszClassName = sWindowClass;
wc.lpszMenuName = 0;
RegisterClass(&wc);
DWORD dwStyle;
if (mAllowResize)
{
dwStyle = WS_OVERLAPPEDWINDOW;
}
else
{
// This removes WS_THICKFRAME and WS_MAXIMIZEBOX, both of which allow
// resizing of windows.
dwStyle = WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
}
// Require the window to have the specified client area.
RECT rect = { 0, 0, theApp->GetWidth()-1, theApp->GetHeight()-1 };
AdjustWindowRect(&rect, dwStyle, FALSE);
// Create the application window.
HWND handle = CreateWindow(sWindowClass, theApp->GetWindowTitle(),
dwStyle, theApp->GetXPosition(), theApp->GetYPosition(),
rect.right - rect.left + 1, rect.bottom - rect.top + 1, 0, 0, 0, 0);
// Save the handle as an 'int' for portable handle storage.
theApp->SetWindowID(PtrToInt(handle));
// ===
#ifdef WM5_USE_DX9
// Create the device for rendering.
RendererInput input;
input.mWindowHandle = handle;
input.mDriver = Direct3DCreate9(D3D_SDK_VERSION);
assertion(input.mDriver != 0, "Failed to create Direct3D9\n");
mRenderer = new0 Renderer(input, theApp->GetWidth(), theApp->GetHeight(),
mColorFormat, mDepthStencilFormat, mNumMultisamples);
#endif
#ifdef WM5_USE_OPENGL
// The pixelFormat variable is used to support creation of a window that
// supports multisampling. This process requires creating a normal window,
// and then querying whether the renderer supports multisampling. The
// renderer creates a device context for the window which we then need to
// create a second window that supports multisampling. The device context
// rendererDC is set by the renderer during the process.
RendererInput input;
input.mWindowHandle = handle;
input.mPixelFormat = 0;
input.mRendererDC = 0;
input.mDisableVerticalSync = true;
mRenderer = new0 Renderer(input, theApp->GetWidth(), theApp->GetHeight(),
mColorFormat, mDepthStencilFormat, mNumMultisamples);
// To determine whether multisampling is supported, it is necessary to
// create a window, an OpenGL context, and query the driver for the
// multisampling extensions. If it is, a new window must be created
// because the renderer creation involves SetPixelFormat(...) that can
// be called only once for a window.
int numMultisamples = mRenderer->GetNumMultisamples();
if (numMultisamples > 0)
{
int attributes[256], pos = 0;
attributes[pos++] = WGL_SUPPORT_OPENGL_ARB;
attributes[pos++] = 1;
attributes[pos++] = WGL_DRAW_TO_WINDOW_ARB;
attributes[pos++] = 1;
attributes[pos++] = WGL_ACCELERATION_ARB;
attributes[pos++] = WGL_FULL_ACCELERATION_ARB;
attributes[pos++] = WGL_PIXEL_TYPE_ARB;
attributes[pos++] = WGL_TYPE_RGBA_ARB;
attributes[pos++] = WGL_RED_BITS_ARB;
attributes[pos++] = 8;
attributes[pos++] = WGL_GREEN_BITS_ARB;
attributes[pos++] = 8;
attributes[pos++] = WGL_BLUE_BITS_ARB;
attributes[pos++] = 8;
attributes[pos++] = WGL_ALPHA_BITS_ARB;
attributes[pos++] = 8;
attributes[pos++] = WGL_DEPTH_BITS_ARB;
attributes[pos++] = 24;
attributes[pos++] = WGL_STENCIL_BITS_ARB;
attributes[pos++] = 8;
attributes[pos++] = WGL_DOUBLE_BUFFER_ARB;
attributes[pos++] = 1;
attributes[pos++] = WGL_SAMPLE_BUFFERS_ARB;
attributes[pos++] = 1;
attributes[pos++] = WGL_SAMPLES_ARB;
attributes[pos++] = numMultisamples;
attributes[pos++] = 0; // list is zero-terminated
unsigned int numFormats = 0;
BOOL successful = wglChoosePixelFormatARB(input.mRendererDC,
attributes, 0, 1, &input.mPixelFormat, &numFormats);
if (successful && numFormats > 0)
{
// The card supports multisampling with the requested number of
// samples. Recreate the window and renderer.
delete0(mRenderer);
gsIgnoreWindowDestroy = true;
DestroyWindow(handle);
handle = CreateWindow(sWindowClass, theApp->GetWindowTitle(),
WS_OVERLAPPEDWINDOW, theApp->GetXPosition(),
theApp->GetYPosition(), rect.right - rect.left + 1,
rect.bottom - rect.top + 1, 0, 0, 0, 0);
theApp->SetWindowID(PtrToInt(handle));
input.mWindowHandle = handle;
mRenderer = new0 Renderer(input, theApp->GetWidth(),
theApp->GetHeight(), mColorFormat, mDepthStencilFormat,
mNumMultisamples);
}
}
#endif
if (theApp->OnInitialize())
{
// The default OnPreidle() clears the buffers. Allow the application
// to fill them before the window is shown and before the event loop
// starts.
theApp->OnPreidle();
// Display the window.
ShowWindow(handle, SW_SHOW);
UpdateWindow(handle);
// Start the message pump.
bool applicationRunning = true;
while (applicationRunning)
{
MSG msg;
if (PeekMessage(&msg, 0, 0, 0, PM_REMOVE))
{
if (msg.message == WM_QUIT)
{
applicationRunning = false;
continue;
}
HACCEL accel = 0;
if (!TranslateAccelerator(handle, accel, &msg))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
else
{
theApp->OnIdle();
}
}
}
theApp->OnTerminate();
delete0(mRenderer);
#ifdef WM5_USE_DX9
input.mDriver->Release();
#endif
return 0;
}
