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game/shared/cam_thirdperson.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose:
+//
+//=============================================================================//
+
+#ifndef CAM_THIRDPERSON_H
+#define CAM_THIRDPERSON_H
+
+#if defined( _WIN32 )
+#pragma once
+#endif
+
+#ifdef CLIENT_DLL
+	#include "c_baseplayer.h"
+#else
+	#include "baseplayer.h"
+#endif
+
+#define DIST_FORWARD 0
+#define DIST_RIGHT 1
+#define DIST_UP 2
+
+//-------------------------------------------------- Constants
+
+#define CAM_MIN_DIST 30.0
+#define CAM_ANGLE_MOVE .5
+#define MAX_ANGLE_DIFF 10.0
+#define PITCH_MAX 90.0
+#define PITCH_MIN 0
+#define YAW_MAX  135.0
+#define YAW_MIN	 -135.0
+#define	DIST	 2
+#define CAM_HULL_OFFSET		14.0    // the size of the bounding hull used for collision checking
+
+#define CAMERA_UP_OFFSET	25.0f
+#define CAMERA_OFFSET_LERP_TIME 0.5f
+#define CAMERA_UP_OFFSET_LERP_TIME 0.25f
+
+class CThirdPersonManager
+{
+public:
+
+	CThirdPersonManager();
+	void	SetCameraOffsetAngles( const Vector& vecOffset ) { m_vecCameraOffset = vecOffset; }
+	const Vector&	GetCameraOffsetAngles( void ) const { return m_vecCameraOffset; }
+	
+	void	SetDesiredCameraOffset( const Vector& vecOffset ) { m_vecDesiredCameraOffset = vecOffset; }
+	const Vector&	GetDesiredCameraOffset( void ) const { return m_vecDesiredCameraOffset; }
+
+	Vector	GetFinalCameraOffset( void );
+
+	void	SetCameraOrigin( const Vector& vecOffset ) { m_vecCameraOrigin = vecOffset; }
+	const Vector&	GetCameraOrigin( void ) const { return m_vecCameraOrigin; }
+
+	void	Update( void );
+
+	void	PositionCamera( CBasePlayer *pPlayer, const QAngle& angles );
+
+	void	UseCameraOffsets( bool bUse ) { m_bUseCameraOffsets = bUse; }
+	bool	UsingCameraOffsets( void ) { return m_bUseCameraOffsets; }
+
+	const QAngle&	GetCameraViewAngles( void ) const { return m_ViewAngles; }
+
+	Vector	GetDistanceFraction( void );
+
+	bool	WantToUseGameThirdPerson( void );
+
+	void	SetOverridingThirdPerson( bool bOverride ) { m_bOverrideThirdPerson = bOverride; }
+	bool	IsOverridingThirdPerson( void ) { return m_bOverrideThirdPerson; }
+
+	void	Init( void );
+
+	void	SetForcedThirdPerson( bool bForced ) { m_bForced = bForced; }
+	bool	GetForcedThirdPerson() const { return m_bForced; }
+
+private:
+
+	// What is the current camera offset from the view origin?
+	Vector		m_vecCameraOffset;
+	// Distances from the center
+	Vector		m_vecDesiredCameraOffset;
+
+	Vector m_vecCameraOrigin;
+
+	bool	m_bUseCameraOffsets;
+
+	QAngle	m_ViewAngles;
+
+	float	m_flFraction;
+	float	m_flUpFraction;
+
+	float	m_flTargetFraction;
+	float	m_flTargetUpFraction;
+
+	bool	m_bOverrideThirdPerson;
+
+	bool	m_bForced;
+
+	float	m_flUpOffset;
+
+	float	m_flLerpTime;
+	float	m_flUpLerpTime;
+};
+
+extern CThirdPersonManager g_ThirdPersonManager;
+
+#endif // CAM_THIRDPERSON_H