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Diffstat (limited to 'Samples/CommonSrc/Platform/Win32_Platform.cpp')
| -rw-r--r-- | Samples/CommonSrc/Platform/Win32_Platform.cpp | 600 |
1 files changed, 600 insertions, 0 deletions
diff --git a/Samples/CommonSrc/Platform/Win32_Platform.cpp b/Samples/CommonSrc/Platform/Win32_Platform.cpp new file mode 100644 index 0000000..cdd1e1f --- /dev/null +++ b/Samples/CommonSrc/Platform/Win32_Platform.cpp @@ -0,0 +1,600 @@ +/************************************************************************************
+
+Filename : Win32_Platform.cpp
+Content : Win32 implementation of Platform app infrastructure
+Created : September 6, 2012
+Authors : Andrew Reisse
+
+Copyright : Copyright 2012 Oculus VR, Inc. All Rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+************************************************************************************/
+
+#include "Kernel/OVR_System.h"
+#include "Kernel/OVR_Array.h"
+#include "Kernel/OVR_String.h"
+
+#include "Win32_Platform.h"
+#include "Win32_Gamepad.h"
+#include "../Render/Render_Device.h"
+
+namespace OVR { namespace Platform { namespace Win32 {
+
+
+PlatformCore::PlatformCore(Application* app, HINSTANCE hinst)
+ : Platform::PlatformCore(app), hWnd(NULL), hInstance(hinst), Quit(0), MMode(Mouse_Normal),
+ Cursor(0), Modifiers(0), WindowTitle("App")
+{
+ pGamepadManager = *new Win32::GamepadManager();
+}
+
+PlatformCore::~PlatformCore()
+{
+}
+
+bool PlatformCore::SetupWindow(int w, int h)
+{
+ WNDCLASS wc;
+ memset(&wc, 0, sizeof(wc));
+ wc.lpszClassName = L"OVRAppWindow";
+ wc.style = CS_OWNDC;
+ wc.lpfnWndProc = systemWindowProc;
+ wc.cbWndExtra = sizeof(PlatformCore*);
+
+ RegisterClass(&wc);
+
+ Width = w;
+ Height = h;
+ RECT winSize;
+ winSize.left = winSize.top = 0;
+ winSize.right = Width;
+ winSize.bottom = Height;
+ AdjustWindowRect(&winSize, WS_OVERLAPPEDWINDOW, false);
+ hWnd = CreateWindowA("OVRAppWindow", WindowTitle.ToCStr(), WS_OVERLAPPEDWINDOW,
+ CW_USEDEFAULT, CW_USEDEFAULT,
+ // 1950, 10,
+ winSize.right-winSize.left, winSize.bottom-winSize.top,
+ NULL, NULL, hInstance, (LPVOID)this);
+ Modifiers = 0;
+
+ Cursor = LoadCursor(NULL, IDC_CROSS);
+
+ // Initialize Window center in screen coordinates
+ POINT center = { Width / 2, Height / 2 };
+ ::ClientToScreen(hWnd, ¢er);
+ WindowCenter = center;
+
+ if (MMode == Mouse_Relative)
+ {
+ ::SetCursorPos(WindowCenter.x, WindowCenter.y);
+ ShowCursor(FALSE);
+ }
+ ::SetFocus(hWnd);
+
+ return (hWnd != NULL);
+}
+
+void PlatformCore::DestroyWindow()
+{
+ // Release renderer.
+ pRender.Clear();
+
+ // Release gamepad.
+ pGamepadManager.Clear();
+
+ // Release window resources.
+ ::DestroyWindow(hWnd);
+ UnregisterClass(L"OVRAppWindow", hInstance);
+ hWnd = 0;
+ Width = Height = 0;
+
+ //DestroyCursor(Cursor);
+ Cursor = 0;
+}
+
+void PlatformCore::ShowWindow(bool visible)
+{
+ ::ShowWindow(hWnd, visible ? SW_SHOW : SW_HIDE);
+}
+
+void PlatformCore::SetMouseMode(MouseMode mm)
+{
+ if (mm == MMode)
+ return;
+
+ if (hWnd)
+ {
+ if (mm == Mouse_Relative)
+ {
+ ShowCursor(FALSE);
+ ::SetCursorPos(WindowCenter.x, WindowCenter.y);
+ }
+ else
+ {
+ if (MMode == Mouse_Relative)
+ ShowCursor(TRUE);
+ }
+ }
+ MMode = mm;
+}
+
+void PlatformCore::GetWindowSize(int* w, int* h) const
+{
+ *w = Width;
+ *h = Height;
+}
+
+
+void PlatformCore::SetWindowTitle(const char* title)
+{
+ WindowTitle = title;
+ if (hWnd)
+ ::SetWindowTextA(hWnd, title);
+}
+
+static UByte KeyMap[][2] =
+{
+ { VK_BACK, Key_Backspace },
+ { VK_TAB, Key_Tab },
+ { VK_CLEAR, Key_Clear },
+ { VK_RETURN, Key_Return },
+ { VK_SHIFT, Key_Shift },
+ { VK_CONTROL, Key_Control },
+ { VK_MENU, Key_Alt },
+ { VK_PAUSE, Key_Pause },
+ { VK_CAPITAL, Key_CapsLock },
+ { VK_ESCAPE, Key_Escape },
+ { VK_SPACE, Key_Space },
+ { VK_PRIOR, Key_PageUp },
+ { VK_NEXT, Key_PageDown },
+ { VK_END, Key_End },
+ { VK_HOME, Key_Home },
+ { VK_LEFT, Key_Left },
+ { VK_UP, Key_Up },
+ { VK_RIGHT, Key_Right },
+ { VK_DOWN, Key_Down },
+ { VK_INSERT, Key_Insert },
+ { VK_DELETE, Key_Delete },
+ { VK_HELP, Key_Help },
+
+ { VK_NUMLOCK, Key_NumLock },
+ { VK_SCROLL, Key_ScrollLock },
+
+ { VK_OEM_1, Key_Semicolon },
+ { VK_OEM_PLUS, Key_Equal },
+ { VK_OEM_COMMA, Key_Comma },
+ { VK_OEM_MINUS, Key_Minus },
+ { VK_OEM_PERIOD,Key_Period },
+ { VK_OEM_2, Key_Slash },
+ { VK_OEM_3, Key_Bar },
+ { VK_OEM_4, Key_BracketLeft },
+ { VK_OEM_5, Key_Backslash },
+ { VK_OEM_6, Key_BracketRight },
+ { VK_OEM_7, Key_Quote },
+
+ { VK_OEM_AX, Key_OEM_AX }, // 'AX' key on Japanese AX keyboard.
+ { VK_OEM_102, Key_OEM_102 }, // "<>" or "\|" on RT 102-key keyboard.
+ { VK_ICO_HELP, Key_ICO_HELP },
+ { VK_ICO_00, Key_ICO_00 }
+};
+
+
+KeyCode MapVKToKeyCode(unsigned vk)
+{
+ unsigned key = Key_None;
+
+ if ((vk >= '0') && (vk <= '9'))
+ {
+ key = vk - '0' + Key_Num0;
+ }
+ else if ((vk >= 'A') && (vk <= 'Z'))
+ {
+ key = vk - 'A' + Key_A;
+ }
+ else if ((vk >= VK_NUMPAD0) && (vk <= VK_DIVIDE))
+ {
+ key = vk - VK_NUMPAD0 + Key_KP_0;
+ }
+ else if ((vk >= VK_F1) && (vk <= VK_F15))
+ {
+ key = vk - VK_F1 + Key_F1;
+ }
+ else
+ {
+ for (unsigned i = 0; i< (sizeof(KeyMap) / sizeof(KeyMap[1])); i++)
+ {
+ if (vk == KeyMap[i][0])
+ {
+ key = KeyMap[i][1];
+ break;
+ }
+ }
+ }
+
+ return (KeyCode)key;
+}
+
+
+
+LRESULT CALLBACK PlatformCore::systemWindowProc(HWND hwnd, UINT msg, WPARAM wp, LPARAM lp)
+{
+ PlatformCore* self;
+
+ // WM_NCCREATE should be the first message to come it; use it to set class pointer.
+ if (msg == WM_NCCREATE)
+ {
+ self = static_cast<PlatformCore*>(((LPCREATESTRUCT)lp)->lpCreateParams);
+
+ if (self)
+ {
+ SetWindowLongPtr(hwnd, 0, (LONG_PTR)self);
+ self->hWnd = hwnd;
+ }
+ }
+ else
+ {
+ self = (PlatformCore*)(UPInt)GetWindowLongPtr(hwnd, 0);
+ }
+
+ return self ? self->WindowProc(msg, wp, lp) :
+ DefWindowProc(hwnd, msg, wp, lp);
+}
+
+
+LRESULT PlatformCore::WindowProc(UINT msg, WPARAM wp, LPARAM lp)
+{
+ KeyCode keyCode;
+
+ switch (msg)
+ {
+ case WM_PAINT:
+ {
+ PAINTSTRUCT ps;
+ BeginPaint(hWnd, &ps);
+ EndPaint(hWnd, &ps);
+ }
+ return 0;
+
+ case WM_SETCURSOR:
+ ::SetCursor(Cursor);
+ return 0;
+
+ case WM_MOUSEMOVE:
+ if (MMode == Mouse_Relative)
+ {
+ POINT newPos = { LOWORD(lp), HIWORD(lp) };
+ ::ClientToScreen(hWnd, &newPos);
+ if ((newPos.x == WindowCenter.x) && (newPos.y == WindowCenter.y))
+ break;
+ ::SetCursorPos(WindowCenter.x, WindowCenter.y);
+
+ LONG dx = newPos.x - WindowCenter.x;
+ LONG dy = newPos.y - WindowCenter.y;
+
+ pApp->OnMouseMove(dx, dy, Mod_MouseRelative);
+ }
+ else
+ {
+ pApp->OnMouseMove(LOWORD(lp), HIWORD(lp), 0);
+ }
+ break;
+
+ case WM_MOVE:
+ {
+ RECT r;
+ GetClientRect(hWnd, &r);
+ WindowCenter.x = r.right/2;
+ WindowCenter.y = r.bottom/2;
+ ::ClientToScreen(hWnd, &WindowCenter);
+ }
+ break;
+
+ case WM_KEYDOWN:
+ switch (wp)
+ {
+ case VK_CONTROL: Modifiers |= Mod_Control; break;
+ case VK_MENU: Modifiers |= Mod_Alt; break;
+ case VK_SHIFT: Modifiers |= Mod_Shift; break;
+ case VK_LWIN:
+ case VK_RWIN: Modifiers |= Mod_Meta; break;
+ }
+ if ((keyCode = MapVKToKeyCode((unsigned)wp)) != Key_None)
+ pApp->OnKey(keyCode, 0, true, Modifiers);
+
+ if (keyCode == Key_Escape && MMode == Mouse_Relative)
+ {
+ MMode = Mouse_RelativeEscaped;
+ ShowCursor(TRUE);
+ }
+ break;
+
+ case WM_KEYUP:
+ if ((keyCode = MapVKToKeyCode((unsigned)wp)) != Key_None)
+ pApp->OnKey(keyCode, 0, false, Modifiers);
+ switch (wp)
+ {
+ case VK_CONTROL: Modifiers &= ~Mod_Control; break;
+ case VK_MENU: Modifiers &= ~Mod_Alt; break;
+ case VK_SHIFT: Modifiers &= ~Mod_Shift; break;
+ case VK_LWIN:
+ case VK_RWIN: Modifiers &= ~Mod_Meta; break;
+ }
+ break;
+
+ case WM_LBUTTONDOWN:
+ //App->OnMouseButton(0,
+
+ ::SetCapture(hWnd);
+
+ if (MMode == Mouse_RelativeEscaped)
+ {
+ ::SetCursorPos(WindowCenter.x, WindowCenter.y);
+ ::ShowCursor(FALSE);
+ MMode = Mouse_Relative;
+ }
+ break;
+
+ case WM_LBUTTONUP:
+ ReleaseCapture();
+ break;
+
+ case WM_SETFOCUS:
+ // Do NOT restore the Relative mode here, since calling SetCursorPos
+ // would screw up titlebar window dragging.
+ // Let users click in the center instead to resume.
+ break;
+
+ case WM_KILLFOCUS:
+ if (MMode == Mouse_Relative)
+ {
+ MMode = Mouse_RelativeEscaped;
+ ShowCursor(TRUE);
+ }
+ break;
+
+ case WM_SIZE:
+ // Change window size as long as we're not being minimized.
+ if (wp != SIZE_MINIMIZED)
+ {
+ Width = LOWORD(lp);
+ Height = HIWORD(lp);
+ if (pRender)
+ pRender->SetWindowSize(Width, Height);
+ pApp->OnResize(Width,Height);
+ }
+ break;
+
+ case WM_STYLECHANGING:
+ // Resize the window. This is needed because the size includes any present system controls, and
+ // windows does not adjust it when changing to fullscreen.
+ {
+ STYLESTRUCT* pss = (STYLESTRUCT*)lp;
+ RECT winSize;
+ winSize.left = winSize.top = 0;
+ winSize.right = Width;
+ winSize.bottom = Height;
+ int w = winSize.right-winSize.left;
+ int h = winSize.bottom-winSize.top;
+ AdjustWindowRect(&winSize, pss->styleNew, false);
+ ::SetWindowPos(hWnd, NULL, 0, 0, w, h, SWP_NOMOVE|SWP_NOACTIVATE|SWP_NOZORDER);
+ }
+ break;
+
+ case WM_QUIT:
+ case WM_CLOSE:
+ pApp->OnQuitRequest();
+ return false;
+ }
+
+ return DefWindowProc(hWnd, msg, wp, lp);
+}
+
+int PlatformCore::Run()
+{
+ while (!Quit)
+ {
+ MSG msg;
+ if (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
+ {
+ TranslateMessage(&msg);
+ DispatchMessage(&msg);
+ }
+ else
+ {
+ pApp->OnIdle();
+
+ // Keep sleeping when we're minimized.
+ if (IsIconic(hWnd))
+ {
+ Sleep(10);
+ }
+ }
+ }
+
+ return ExitCode;
+}
+
+
+RenderDevice* PlatformCore::SetupGraphics(const SetupGraphicsDeviceSet& setupGraphicsDesc,
+ const char* type, const Render::RendererParams& rp)
+{
+ const SetupGraphicsDeviceSet* setupDesc = setupGraphicsDesc.PickSetupDevice(type);
+ OVR_ASSERT(setupDesc);
+
+ pRender = *setupDesc->pCreateDevice(rp, (void*)hWnd);
+ if (pRender)
+ pRender->SetWindowSize(Width, Height);
+
+ ::ShowWindow(hWnd, SW_RESTORE);
+ return pRender.GetPtr();
+}
+
+
+void PlatformCore::PlayMusicFile(const char *fileName)
+{
+ PlaySoundA(fileName, NULL, SND_FILENAME | SND_LOOP | SND_ASYNC);
+}
+
+
+//-----------------------------------------------------------------------------
+
+// Used to capture all the active monitor handles
+struct MonitorSet
+{
+ enum { MaxMonitors = 8 };
+ HMONITOR Monitors[MaxMonitors];
+ int MonitorCount;
+ int PrimaryCount;
+};
+
+
+BOOL CALLBACK MonitorEnumProc(HMONITOR hMonitor, HDC, LPRECT, LPARAM dwData)
+{
+ MonitorSet* monitorSet = (MonitorSet*)dwData;
+ if (monitorSet->MonitorCount > MonitorSet::MaxMonitors)
+ return FALSE;
+
+ monitorSet->Monitors[monitorSet->MonitorCount] = hMonitor;
+ monitorSet->MonitorCount++;
+ return TRUE;
+};
+
+
+// Returns the number of active screens for extended displays and 1 for mirrored display
+int PlatformCore::GetDisplayCount()
+{
+ // Get all the monitor handles
+ MonitorSet monitors;
+ monitors.MonitorCount = 0;
+ EnumDisplayMonitors(NULL, NULL, MonitorEnumProc, (LPARAM)&monitors);
+
+ // Count the primary monitors
+ int primary = 0;
+ MONITORINFOEX info;
+ for (int m=0; m < monitors.MonitorCount; m++)
+ {
+ info.cbSize = sizeof(MONITORINFOEX);
+ GetMonitorInfo(monitors.Monitors[m], &info);
+
+ if (info.dwFlags & MONITORINFOF_PRIMARY)
+ primary++;
+ }
+
+ if (primary > 1)
+ return 1; // Regard mirrored displays as a single screen
+ else
+ return monitors.MonitorCount; // Return all extended displays
+}
+
+//-----------------------------------------------------------------------------
+// Returns the device name for the given screen index or empty string for invalid index
+// The zero index will always return the primary screen name
+Render::DisplayId PlatformCore::GetDisplay(int screen)
+{
+ // Get all the monitor handles
+ MonitorSet monitors;
+ monitors.MonitorCount = 0;
+ EnumDisplayMonitors(NULL, NULL, MonitorEnumProc, (LPARAM)&monitors);
+
+ String screen_name;
+
+ // Get the name of the suppled screen index with the requirement
+ // that screen 0 is the primary monitor
+ int non_primary_count = 0;
+ MONITORINFOEX info;
+ for (int m=0; m < monitors.MonitorCount; m++)
+ {
+ info.cbSize = sizeof(MONITORINFOEX);
+ GetMonitorInfo(monitors.Monitors[m], &info);
+
+ if (info.dwFlags & MONITORINFOF_PRIMARY)
+ {
+ if (screen == 0)
+ {
+ screen_name = info.szDevice;
+ break;
+ }
+ }
+ else
+ {
+ non_primary_count++;
+ if (screen == non_primary_count)
+ {
+ screen_name = info.szDevice;
+ break;
+ }
+ }
+ }
+
+ return screen_name;
+}
+
+
+}}}
+
+
+int WINAPI WinMain(HINSTANCE hinst, HINSTANCE prevInst, LPSTR inArgs, int show)
+{
+ using namespace OVR;
+ using namespace OVR::Platform;
+
+ OVR_UNUSED2(prevInst, show);
+
+ // CreateApplication must be the first call since it does OVR::System::Initialize.
+ Application* app = Application::CreateApplication();
+ Win32::PlatformCore* platform = new Win32::PlatformCore(app, hinst);
+ // The platform attached to an app will be deleted by DestroyApplication.
+ app->SetPlatformCore(platform);
+
+ int exitCode = 0;
+
+ // Nested scope for container destructors to shutdown before DestroyApplication.
+ {
+ Array<String> args;
+ Array<const char*> argv;
+ argv.PushBack("app");
+
+ const char* p = inArgs;
+ const char* pstart = inArgs;
+ while (*p)
+ {
+ if (*p == ' ')
+ {
+ args.PushBack(String(pstart, p - pstart));
+ while (*p == ' ')
+ p++;
+ pstart = p;
+ }
+ else
+ {
+ p++;
+ }
+ }
+ if (p != pstart)
+ args.PushBack(String(pstart, p - pstart));
+ for (UPInt i = 0; i < args.GetSize(); i++)
+ argv.PushBack(args[i].ToCStr());
+
+ exitCode = app->OnStartup((int)argv.GetSize(), &argv[0]);
+ if (!exitCode)
+ exitCode = platform->Run();
+ }
+
+ // No OVR functions involving memory are allowed after this.
+ Application::DestroyApplication(app);
+ app = 0;
+
+ OVR_DEBUG_STATEMENT(_CrtDumpMemoryLeaks());
+ return exitCode;
+}
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