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diff --git a/Samples/OculusWorldDemo/OculusWorldDemo.h b/Samples/OculusWorldDemo/OculusWorldDemo.h new file mode 100644 index 0000000..54f0e9d --- /dev/null +++ b/Samples/OculusWorldDemo/OculusWorldDemo.h @@ -0,0 +1,339 @@ +/************************************************************************************ + +Filename : OculusWorldDemo.h +Content : First-person view test application for Oculus Rift - Header file +Created : October 4, 2012 +Authors : Michael Antonov, Andrew Reisse, Steve LaValle, Dov Katz + Peter Hoff, Dan Goodman, Bryan Croteau + +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. + +*************************************************************************************/ + +#ifndef INC_OculusWorldDemo_h +#define INC_OculusWorldDemo_h + +#include "OVR.h" + +#include "../CommonSrc/Platform/Platform_Default.h" +#include "../CommonSrc/Render/Render_Device.h" +#include "../CommonSrc/Render/Render_XmlSceneLoader.h" +#include "../CommonSrc/Platform/Gamepad.h" + +#include "Util/Util_Render_Stereo.h" +using namespace OVR::Util::Render; + +#include <Kernel/OVR_SysFile.h> +#include <Kernel/OVR_Log.h> +#include <Kernel/OVR_Timer.h> + +#include "Player.h" +#include "OVR_DeviceConstants.h" + +#include "OptionMenu.h" +#include "RenderProfiler.h" + +// Filename to be loaded by default, searching specified paths. +#define WORLDDEMO_ASSET_FILE "Tuscany.xml" + +#define WORLDDEMO_ASSET_PATH1 "Assets/Tuscany/" +#define WORLDDEMO_ASSET_PATH2 "../../../Assets/Tuscany/" +// This path allows the shortcut to work. +#define WORLDDEMO_ASSET_PATH3 "Samples/OculusWorldDemo/Assets/Tuscany/" + +using namespace OVR; +using namespace OVR::Platform; +using namespace OVR::Render; + + +//------------------------------------------------------------------------------------- +// ***** OculusWorldDemo Description + +// This app renders a loaded scene allowing the user to move along the +// floor and look around with an HMD, mouse and keyboard. The following keys work: +// +// 'W', 'S', 'A', 'D' and Arrow Keys - Move forward, back; strafe left/right. +// +// Space - Bring up status and help display. +// Tab - Bring up/hide menu with editable options. +// F4 - Toggle MSAA. +// F9 - Cycle through fullscreen and windowed modes. +// Necessary for previewing content with Rift. +// +// Important Oculus-specific logic can be found at following locations: +// +// OculusWorldDemoApp::OnStartup - This function will initialize the SDK, creating the Hmd +// and delegating to CalculateHmdValues to initialize it. +// +// OculusWorldDemoApp::OnIdle - Here we poll SensorFusion for orientation, apply it +// to the scene and handle movement. +// Stereo rendering is also done here, by delegating to +// to the RenderEyeView() function for each eye. +// + +//------------------------------------------------------------------------------------- +// ***** OculusWorldDemo Application class + +// An instance of this class is created on application startup (main/WinMain). +// It then works as follows: +// - Graphics and HMD setup is done OculusWorldDemoApp::OnStartup(). Much of +// HMD configuration here is moved to CalculateHmdValues. +// OnStartup also creates the room model from Slab declarations. +// +// - Per-frame processing is done in OnIdle(). This function processes +// sensor and movement input and then renders the frame. +// +// - Additional input processing is done in OnMouse, OnKey. + +class OculusWorldDemoApp : public Application +{ +public: + OculusWorldDemoApp(); + ~OculusWorldDemoApp(); + + virtual int OnStartup(int argc, const char** argv); + virtual void OnIdle(); + + virtual void OnMouseMove(int x, int y, int modifiers); + virtual void OnKey(OVR::KeyCode key, int chr, bool down, int modifiers); + virtual void OnResize(int width, int height); + + bool SetupWindowAndRendering(int argc, const char** argv); + + // Adds room model to scene. + void InitMainFilePath(); + void PopulateScene(const char* fileName); + void PopulatePreloadScene(); + void ClearScene(); + void PopulateOptionMenu(); + + + // Computes all of the Hmd values and configures render targets. + void CalculateHmdValues(); + // Returns the actual size present. + Sizei EnsureRendertargetAtLeastThisBig (int rtNum, Sizei size); + + + // Renders full stereo scene for one eye. + void RenderEyeView(ovrEyeType eye); + // Renderes HUD overlay brough up by spacebar; 2D viewport must be set before call. + void RenderTextInfoHud(float textHeight); + void RenderAnimatedBlocks(ovrEyeType eye, double appTime); + void RenderGrid(ovrEyeType eye); + + Matrix4f CalculateViewFromPose(const Posef& pose); + + // Determine whether this frame needs rendering based on timewarp timing and flags. + bool FrameNeedsRendering(double curtime); + void ApplyDynamicResolutionScaling(); + void UpdateFrameRateCounter(double curtime); + + + // Model creation and misc functions. + Model* CreateModel(Vector3f pos, struct SlabModel* sm); + Model* CreateBoundingModel(CollisionModel &cm); + void ChangeDisplay ( bool bBackToWindowed, bool bNextFullscreen, bool bFullWindowDebugging ); + void GamepadStateChanged(const GamepadState& pad); + + // Processes DeviceNotificationStatus queue to handles plug/unplug. + void ProcessDeviceNotificationQueue(); + + + // ***** Callbacks for Menu option changes + + // These contain extra actions to be taken in addition to switching the state. + void HmdSettingChange(OptionVar* = 0) { HmdSettingsChanged = true; } + void BlockShowChange(OptionVar* = 0) { BlocksCenter = ThePlayer.BodyPos; } + void EyeHeightChange(OptionVar* = 0) { ThePlayer.BodyPos.y = ThePlayer.UserEyeHeight; } + + void HmdSettingChangeFreeRTs(OptionVar* = 0); + void MultisampleChange(OptionVar* = 0); + void CenterPupilDepthChange(OptionVar* = 0); + void DistortionClearColorChange(OptionVar* = 0); + + +protected: + RenderDevice* pRender; + RendererParams RenderParams; + Sizei WindowSize; + int ScreenNumber; + int FirstScreenInCycle; + + struct RenderTarget + { + Ptr<Texture> pTex; + ovrTexture Tex; + }; + enum RendertargetsEnum + { + Rendertarget_Left, + Rendertarget_Right, + Rendertarget_BothEyes, // Used when both eyes are rendered to the same target. + Rendertarget_LAST + }; + RenderTarget RenderTargets[Rendertarget_LAST]; + + + // ***** Oculus HMD Variables + + ovrHmd Hmd; + ovrHmdDesc HmdDesc; + ovrEyeRenderDesc EyeRenderDesc[2]; + Matrix4f Projection[2]; // Projection matrix for eye. + Matrix4f OrthoProjection[2]; // Projection for 2D. + ovrTexture EyeTexture[2]; + // Sensor caps applied. + unsigned StartSensorCaps; + bool UsingDebugHmd; + + // Frame timing logic. + enum { SecondsOfFpsMeasurement = 1 }; + int FrameCounter; + double NextFPSUpdate; + float SecondsPerFrame; + float FPS; + double LastFpsUpdate; + + // Times a single frame. + double LastUpdate; + + // Loaded data. + String MainFilePath; + Array<Ptr<CollisionModel> > CollisionModels; + Array<Ptr<CollisionModel> > GroundCollisionModels; + + // Loading process displays screenshot in first frame + // and then proceeds to load until finished. + enum LoadingStateType + { + LoadingState_Frame0, + LoadingState_DoLoad, + LoadingState_Finished + } LoadingState; + + // Set when vision tracking is detected. + bool HaveVisionTracking; + + GamepadState LastGamepadState; + + Player ThePlayer; + Matrix4f View; + Scene MainScene; + Scene LoadingScene; + Scene SmallGreenCube; + + Scene OculusCubesScene; + Scene RedCubesScene; + Scene BlueCubesScene; + + // Last frame asn sensor data reported by BeginFrame(). + ovrFrameTiming HmdFrameTiming; + unsigned HmdStatus; + + + // ***** Modifiable Menu Options + + // This flag is set when HMD settings change, causing HMD to be re-initialized. + bool HmdSettingsChanged; + + // Render Target - affecting state. + bool RendertargetIsSharedByBothEyes; + bool DynamicRezScalingEnabled; + bool ForceZeroIpd; + float DesiredPixelDensity; + float FovSideTanMax; + float FovSideTanLimit; // Limit value for Fov. + // Time-warp. + bool TimewarpEnabled; + float TimewarpRenderIntervalInSeconds; + bool FreezeEyeUpdate; + bool FreezeEyeOneFrameRendered; + + // Other global settings. + float CenterPupilDepthMeters; + // float IPD; + bool ForceZeroHeadMovement; + bool VsyncEnabled; + bool MultisampleEnabled; + // DK2 only + bool IsLowPersistence; + bool DynamicPrediction; + bool PositionTrackingEnabled; + + // Support toggling background color for distortion so that we can see + // the effect on the periphery. + int DistortionClearBlue; + + // Stereo settings adjustment state. + bool ShiftDown; + bool CtrlDown; + + + // ***** Scene Rendering Modes + + enum SceneRenderMode + { + Scene_World, + Scene_Cubes, + Scene_OculusCubes + }; + SceneRenderMode SceneMode; + + enum GridDispayModeType + { + GridDisplay_None, + GridDisplay_GridOnly, + GridDisplay_GridAndScene + }; + GridDispayModeType GridDisplayMode; + + // What type of grid to display. + enum GridModeType + { + Grid_Rendertarget4, + Grid_Rendertarget16, + Grid_Lens, + Grid_Last + }; + GridModeType GridMode; + + // What help screen we display, brought up by 'Spacebar'. + enum TextScreen + { + Text_None, + Text_Info, + Text_Timing, + Text_Help1, + Text_Help2, + Text_Count + }; + TextScreen TextScreen; + + // Whether we are displaying animated blocks and what type. + int BlocksShowType; + Vector3f BlocksCenter; + + + // User configurable options, brought up by 'Tab' key. + // Also handles shortcuts and pop-up overlay messages. + OptionSelectionMenu Menu; + + // Profiler for rendering - displays timing stats. + RenderProfiler Profiler; +}; + + + +#endif // INC_OculusWorldDemo_h |