First version of the SOurce SDK 2013

1 files changed, 181 insertions, 0 deletions

diff --git a/sp/src/game/client/client_virtualreality.h b/sp/src/game/client/client_virtualreality.h
new file mode 100644
index 00000000..db987e4b
--- /dev/null
+++ b/sp/src/game/client/client_virtualreality.h
@@ -0,0 +1,181 @@
+//========= 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"

+

+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.

+};

+

+

+// used for interacting with the calibration UI

+struct TEyeCalibration

+{

+	struct TEyeEdges

+	{

+		int iTop, iBot, iIn, iOut;		// These are used to calculate everything else.

+		float fSizePixels;

+		float fReliefInches;

+	} Left, Right;

+

+	float fIpdPixels;

+	float fIpdInches;

+};

+

+//-----------------------------------------------------------------------------

+// 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();

+

+

+	//---------------------------------------------------------

+	// 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( ) ;

+	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( const vrect_t *SrcRect );

+

+	//---------------------------------------------------------

+	// Stat collection

+	//---------------------------------------------------------

+	bool CollectSessionStartStats( KeyValues *pkvStats );

+	bool CollectPeriodicStats( KeyValues *pkvStats );

+

+	//---------------------------------------------------------

+	// IPD Calibration

+	//---------------------------------------------------------

+	void DrawIpdCalibration ( const vrect_t *SrcRect );

+

+	void RecalcEyeCalibration ( TEyeCalibration *p );

+	void GetCurrentEyeCalibration ( TEyeCalibration *p );

+	void SetCurrentEyeCalibration ( TEyeCalibration const &p );

+	void SetEyeCalibrationDisplayMisc ( int iEditingNum, bool bVisible );

+

+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;

+

+	// IPD test fields

+	bool			m_bIpdTestEnabled;

+	int				m_IpdTestControl;

+	TEyeCalibration m_IpdTestCurrent;

+

+};

+

+extern CClientVirtualReality g_ClientVirtualReality;

+

+#endif // CLIENTVIRTUALREALITY_H