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Diffstat (limited to 'game/client/client_virtualreality.h')
| -rw-r--r-- | game/client/client_virtualreality.h | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/game/client/client_virtualreality.h b/game/client/client_virtualreality.h new file mode 100644 index 0000000..9aadfeb --- /dev/null +++ b/game/client/client_virtualreality.h @@ -0,0 +1,165 @@ +//========= Copyright Valve Corporation, All rights reserved. ============// +// +// Purpose: The implementation of ISourceVirtualReality, which provides utility +// functions for VR including head tracking, window/viewport information, +// rendering information, and distortion +// +//============================================================================= + +#ifndef CLIENTVIRTUALREALITY_H +#define CLIENTVIRTUALREALITY_H +#if defined( _WIN32 ) +#pragma once +#endif + +#include "tier3/tier3.h" +#include "iclientvirtualreality.h" +#include "view_shared.h" + +enum HeadtrackMovementMode_t +{ + HMM_SHOOTFACE_MOVEFACE = 0, // Shoot from your face, move along your face. + HMM_SHOOTFACE_MOVETORSO, // Shoot from your face, move the direction your torso is facing. + HMM_SHOOTMOUSE_MOVEFACE, // Shoot from the mouse cursor which moves within the HUD, move along your face. + HMM_SHOOTBOUNDEDMOUSE_LOOKFACE_MOVEFACE, // Shoot from the mouse cursor which moves, bounded within the HUD, move along your face. + HMM_SHOOTBOUNDEDMOUSE_LOOKFACE_MOVEMOUSE, // Shoot from the mouse cursor which moves, bounded within the HUD, move along your weapon (the "mouse") + + // The following are not intended to be user-selectable modes, they are used by e.g. followcam stuff. + HMM_SHOOTMOVELOOKMOUSEFACE, // Shoot & move & look along the mouse cursor (i.e. original unchanged gameplay), face just looks on top of that. + HMM_SHOOTMOVEMOUSE_LOOKFACE, // Shoot & move along the mouse cursor (i.e. original unchanged gameplay), face just looks. + HMM_SHOOTMOVELOOKMOUSE, // Shoot, move and look along the mouse cursor - HMD orientation is completely ignored! + + HMM_LAST, + + HMM_NOOVERRIDE = HMM_LAST // Used as a retrun from ShouldOverrideHeadtrackControl(), not an actual mode. +}; + + +//----------------------------------------------------------------------------- +// The implementation +//----------------------------------------------------------------------------- + + +class CClientVirtualReality: public CTier3AppSystem< IClientVirtualReality > +{ + typedef CTier3AppSystem< IClientVirtualReality > BaseClass; + +public: + + CClientVirtualReality(); + ~CClientVirtualReality(); + + //--------------------------------------------------------- + // Initialization and shutdown + //--------------------------------------------------------- + + // + // IAppSystem + // + virtual bool Connect( CreateInterfaceFn factory ); + virtual void Disconnect(); + virtual void * QueryInterface( const char *pInterfaceName ); + + // these will come from the engine + virtual InitReturnVal_t Init(); + virtual void Shutdown(); + + // Called when startup is complete + void StartupComplete(); + + //--------------------------------------------------------- + // IClientVirtualReality implementation + //--------------------------------------------------------- + virtual void DrawMainMenu() OVERRIDE; + + + //--------------------------------------------------------- + // VR utilities for use in the client + //--------------------------------------------------------- + bool OverrideView ( CViewSetup *pViewMiddle, Vector *pViewModelOrigin, QAngle *pViewModelAngles, HeadtrackMovementMode_t hmmMovementOverride ); + bool OverrideStereoView( CViewSetup *pViewMiddle, CViewSetup *pViewLeft, CViewSetup *pViewRight ); + bool OverridePlayerMotion( float flInputSampleFrametime, const QAngle &oldAngles, const QAngle &curAngles, const Vector &curMotion, QAngle *pNewAngles, Vector *pNewMotion ); + bool OverrideWeaponHudAimVectors ( Vector *pAimOrigin, Vector *pAimDirection ); + bool CurrentlyZoomed(); + void OverrideTorsoTransform( const Vector & position, const QAngle & angles ) ; + void CancelTorsoTransformOverride( ) ; + bool CanOverlayHudQuad(); + void GetHUDBounds( Vector *pViewer, Vector *pUL, Vector *pUR, Vector *pLL, Vector *pLR ); + void RenderHUDQuad( bool bBlackout, bool bTranslucent ); + float GetZoomedModeMagnification(); + bool ProcessCurrentTrackingState( float fGameFOV ); + const VMatrix &GetHudProjectionFromWorld(); + void GetTorsoRelativeAim( Vector *pPosition, QAngle *pAngles ); + float GetHUDDistance(); + bool ShouldRenderHUDInWorld(); + const VMatrix & GetWorldFromMidEye() const { return m_WorldFromMidEyeNoDebugCam; } + void OverrideViewModelTransform( Vector & vmorigin, QAngle & vmangles, bool bUseLargeOverride ); + void AlignTorsoAndViewToWeapon(); + void PostProcessFrame( StereoEye_t eEye ); + void OverlayHUDQuadWithUndistort( const CViewSetup &view, bool bDoUndistort, bool bBlackout, bool bTranslucent ); + + //--------------------------------------------------------- + // Enter/leave VR mode + //--------------------------------------------------------- + void Activate(); + void Deactivate(); + +private: + HeadtrackMovementMode_t m_hmmMovementActual; + + // Where the current mideye is relative to the (game)world. + VMatrix m_WorldFromMidEye; + + // used for drawing the HUD + float m_fHudHorizontalFov; + VMatrix m_WorldFromHud; + VMatrix m_HudProjectionFromWorld; + float m_fHudHalfWidth; + float m_fHudHalfHeight; + + // Where the current mideye is relative to the zero (torso) (currently always the same as m_MideyeZeroFromMideyeCurrent!) + VMatrix m_TorsoFromMideye; + + // The debug cam will play with the above, but some things want the non-debug view. + VMatrix m_WorldFromMidEyeNoDebugCam; + + // Where the weapon is currently pointing (note the translation will be zero - this is just orientation) + VMatrix m_WorldFromWeapon; + + // The player's current torso angles/pos in the world. + QAngle m_PlayerTorsoAngle; + Vector m_PlayerTorsoOrigin; + Vector m_PlayerLastMovement; + + // The player's current view angles/pos in the world. + QAngle m_PlayerViewAngle; + Vector m_PlayerViewOrigin; + + // The amount of zoom to apply to the view of the world (but NOT to the HUD!). Used for sniper weapons, etc. + float m_WorldZoomScale; + + // for overriding torso position in vehicles + QAngle m_OverrideTorsoAngle; + QAngle m_OverrideTorsoOffset; + bool m_bOverrideTorsoAngle; + + // While this is >0, we keep forcing the torso (and maybe view) to the weapon. + int m_iAlignTorsoAndViewToWeaponCountdown; + + bool m_bMotionUpdated; + + RTime32 m_rtLastMotionSample; + + // video mode we had before we entered VR mode + bool m_bNonVRWindowed; + int m_nNonVRWidth; + int m_nNonVRHeight; +#if defined( USE_SDL ) + int m_nNonVRSDLDisplayIndex; +#endif + bool m_bNonVRRawInput; +}; + +extern CClientVirtualReality g_ClientVirtualReality; + +#endif // CLIENTVIRTUALREALITY_H |