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Diffstat (limited to 'Samples/OculusRoomTiny/Win32_OculusRoomTiny_Util.cpp')
| -rw-r--r-- | Samples/OculusRoomTiny/Win32_OculusRoomTiny_Util.cpp | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/Samples/OculusRoomTiny/Win32_OculusRoomTiny_Util.cpp b/Samples/OculusRoomTiny/Win32_OculusRoomTiny_Util.cpp new file mode 100644 index 0000000..ab0f252 --- /dev/null +++ b/Samples/OculusRoomTiny/Win32_OculusRoomTiny_Util.cpp @@ -0,0 +1,254 @@ +/************************************************************************************ + +Filename : Win32_OculusRoomTiny_Util.cpp +Content : Win32 system interface & app/graphics initialization ligic +Created : October 4, 2012 + +Copyright : Copyright 2012 Oculus, 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 "RenderTiny_D3D11_Device.h" + +// Win32 System Variables +HWND hWnd = NULL; +HINSTANCE hInstance; +POINT WindowCenter; + +// User inputs +bool Quit = 0; +UByte MoveForward = 0, + MoveBack = 0, + MoveLeft = 0, + MoveRight = 0; + +bool ShiftDown = false, + ControlDown = false; + +// Freezes the scene during timewarp rendering. +bool FreezeEyeRender = false; + +float AdditionalYawFromMouse = 0; + +// Movement speed, in m/s applied during keyboard motion. +const float MoveSpeed = 3.0f; + +// Functions from Win32_OculusRoomTiny.cpp and DistortionMesh.cpp +int Init(); +void ProcessAndRender(); +void Release(); +void DistortionMeshRelease(void); + + +//------------------------------------------------------------------------------------- + +void OnKey(unsigned vk, bool down) +{ + switch (vk) + { + case 'Q': if (down && ControlDown) Quit = true; break; + case VK_ESCAPE: if (!down) Quit = true; break; + + case 'W': MoveForward = down ? (MoveForward | 1) : (MoveForward & ~1); break; + case 'S': MoveBack = down ? (MoveBack | 1) : (MoveBack & ~1); break; + case 'A': MoveLeft = down ? (MoveLeft | 1) : (MoveLeft & ~1); break; + case 'D': MoveRight = down ? (MoveRight | 1) : (MoveRight & ~1); break; + + case VK_UP: MoveForward = down ? (MoveForward | 2) : (MoveForward & ~2); break; + case VK_DOWN: MoveBack = down ? (MoveBack | 2) : (MoveBack & ~2); break; + + case 'F': FreezeEyeRender = !down ? !FreezeEyeRender : FreezeEyeRender; break; + + case VK_SHIFT: ShiftDown = down; break; + case VK_CONTROL:ControlDown = down; break; + } +} + +void OnMouseMove(int x) +{ + const float Sensitivity = 1.0f; + AdditionalYawFromMouse -= (Sensitivity * x)/ 360.0f; +} + +bool Util_RespondToControls(float & EyeYaw, Vector3f & EyePos, + float deltaTime, Quatf PoseOrientation) +{ + #if 0//Optional debug output + char debugString[1000]; + sprintf_s(debugString,"Pos = (%0.2f, %0.2f, %0.2f)\n",EyePos.x,EyePos.y,EyePos.z); + OutputDebugStringA(debugString); + #endif + + //Mouse rotation + EyeYaw += AdditionalYawFromMouse; + AdditionalYawFromMouse = 0; + + //Get HeadYaw + float HeadPitch, HeadRoll, HeadYaw; + PoseOrientation.GetEulerAngles<Axis_Y, Axis_X, Axis_Z>(&HeadYaw,&HeadPitch, &HeadRoll); + + //Move on Eye pos from controls + Vector3f localMoveVector(0,0,0); + Matrix4f yawRotate = Matrix4f::RotationY(EyeYaw + HeadYaw); + + if (MoveForward) localMoveVector += Vector3f(0,0,-1); + if (MoveBack) localMoveVector += Vector3f(0,0,+1); + if (MoveRight) localMoveVector += Vector3f(1,0,0); + if (MoveLeft) localMoveVector += Vector3f(-1,0,0); + + Vector3f orientationVector = yawRotate.Transform(localMoveVector); + + orientationVector *= MoveSpeed * deltaTime * (ShiftDown ? 3.0f : 1.0f); + EyePos += orientationVector; + + //Some rudimentary limitation of movement, so not to go through walls + const float minDistanceToWall = 0.30f; + EyePos.x = max(EyePos.x,-10.0f + minDistanceToWall); + EyePos.x = min(EyePos.x, 10.0f - minDistanceToWall); + EyePos.z = max(EyePos.z,-20.0f + minDistanceToWall); + + //Return if need to freeze or not + return(FreezeEyeRender); +} + + +LRESULT CALLBACK systemWindowProc(HWND arg_hwnd, UINT msg, WPARAM wp, LPARAM lp) +{ + switch (msg) + { + case(WM_NCCREATE): hWnd = arg_hwnd; break; + + case WM_MOUSEMOVE: { + // Convert mouse motion to be relative + // (report the offset and re-center). + POINT newPos = { LOWORD(lp), HIWORD(lp) }; + ::ClientToScreen(hWnd, &newPos); + if ((newPos.x == WindowCenter.x) && (newPos.y == WindowCenter.y)) + break; + ::SetCursorPos(WindowCenter.x, WindowCenter.y); + OnMouseMove(newPos.x - WindowCenter.x); + 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: OnKey((unsigned)wp, true); break; + case WM_KEYUP: OnKey((unsigned)wp, false); break; + case WM_CREATE: SetTimer(hWnd, 0, 100, NULL); break; + case WM_TIMER: KillTimer(hWnd, 0); + + case WM_SETFOCUS: + SetCursorPos(WindowCenter.x, WindowCenter.y); + SetCapture(hWnd); + ShowCursor(FALSE); + break; + case WM_KILLFOCUS: + ReleaseCapture(); + ShowCursor(TRUE); + break; + + case WM_QUIT: + case WM_CLOSE: Quit = true; + return 0; + } + + return DefWindowProc(hWnd, msg, wp, lp); +} + + +RenderDevice* Util_InitWindowAndGraphics(Recti vp, int fullscreen, int multiSampleCount) +{ + // Window + WNDCLASS wc; + memset(&wc, 0, sizeof(wc)); + wc.lpszClassName = L"OVRAppWindow"; + wc.style = CS_OWNDC; + wc.lpfnWndProc = systemWindowProc; + wc.cbWndExtra = NULL; + RegisterClass(&wc); + + RECT winSize = { 0, 0, vp.w, vp.h }; + AdjustWindowRect(&winSize, WS_POPUP, false); + hWnd = CreateWindowA("OVRAppWindow", "OculusRoomTiny", WS_POPUP |WS_VISIBLE, + vp.x, vp.y, + winSize.right-winSize.left, winSize.bottom-winSize.top, + NULL, NULL, hInstance, NULL); + + POINT center = { vp.w / 2, vp.h / 2 }; + ::ClientToScreen(hWnd, ¢er); + WindowCenter = center; + + if (!hWnd) return(NULL); + + // Graphics + RendererParams renderParams; + renderParams.Multisample = multiSampleCount; + renderParams.Fullscreen = fullscreen; + return (RenderDevice::CreateDevice(renderParams, (void*)hWnd)); +} + + +void Util_ReleaseWindowAndGraphics(RenderDevice * prender) +{ + if (prender) + prender->Release(); + + DistortionMeshRelease(); + + if (hWnd) + { + // Release window resources. + ::DestroyWindow(hWnd); + UnregisterClass(L"OVRAppWindow", hInstance); + } +} + + +//------------------------------------------------------------------------------------- +// ***** Program Startup +// +int WINAPI WinMain(HINSTANCE hinst, HINSTANCE, LPSTR , int) +{ + hInstance = hinst; + + if (!Init()) + { + // Processes messages and calls OnIdle() to do rendering. + while (!Quit) + { + MSG msg; + if (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) + { + TranslateMessage(&msg); + DispatchMessage(&msg); + } + else + { + ProcessAndRender(); + + // Keep sleeping when we're minimized. + if (IsIconic(hWnd)) Sleep(10); + } + } + } + Release(); + OVR_DEBUG_STATEMENT(_CrtDumpMemoryLeaks()); + return (0); +} + |