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game/shared/igamemovement.h

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+//========= Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $Workfile:     $
+// $Date:         $
+// $NoKeywords: $
+//=============================================================================//
+
+#if !defined( IGAMEMOVEMENT_H )
+#define IGAMEMOVEMENT_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "mathlib/vector.h"
+#include "interface.h"
+#include "imovehelper.h"
+#include "const.h"
+
+//-----------------------------------------------------------------------------
+// Name of the class implementing the game movement.
+//-----------------------------------------------------------------------------
+
+#define INTERFACENAME_GAMEMOVEMENT	"GameMovement001"
+
+//-----------------------------------------------------------------------------
+// Forward declarations.
+//-----------------------------------------------------------------------------
+
+class IMoveHelper;
+
+//-----------------------------------------------------------------------------
+// Purpose: Encapsulated input parameters to player movement.
+//-----------------------------------------------------------------------------
+
+class CMoveData
+{
+public:
+	bool			m_bFirstRunOfFunctions : 1;
+	bool			m_bGameCodeMovedPlayer : 1;
+	bool			m_bNoAirControl : 1;
+
+	EntityHandle_t	m_nPlayerHandle;	// edict index on server, client entity handle on client
+
+	int				m_nImpulseCommand;	// Impulse command issued.
+	QAngle			m_vecViewAngles;	// Command view angles (local space)
+	QAngle			m_vecAbsViewAngles;	// Command view angles (world space)
+	int				m_nButtons;			// Attack buttons.
+	int				m_nOldButtons;		// From host_client->oldbuttons;
+	float			m_flForwardMove;
+	float			m_flSideMove;
+	float			m_flUpMove;
+	
+	float			m_flMaxSpeed;
+	float			m_flClientMaxSpeed;
+
+	// Variables from the player edict (sv_player) or entvars on the client.
+	// These are copied in here before calling and copied out after calling.
+	Vector			m_vecVelocity;			// edict::velocity		// Current movement direction.
+	Vector			m_vecTrailingVelocity;
+	float			m_flTrailingVelocityTime;
+	QAngle			m_vecAngles;			// edict::angles
+	QAngle			m_vecOldAngles;
+	
+// Output only
+	float			m_outStepHeight;	// how much you climbed this move
+	Vector			m_outWishVel;		// This is where you tried 
+	Vector			m_outJumpVel;		// This is your jump velocity
+
+	// Movement constraints	(radius 0 means no constraint)
+	Vector			m_vecConstraintCenter;
+	float			m_flConstraintRadius;
+	float			m_flConstraintWidth;
+	float			m_flConstraintSpeedFactor;
+	bool			m_bConstraintPastRadius;		///< If no, do no constraining past Radius.  If yes, cap them to SpeedFactor past radius
+
+	void			SetAbsOrigin( const Vector &vec );
+	const Vector	&GetAbsOrigin() const;
+
+private:
+	Vector			m_vecAbsOrigin;		// edict::origin
+};
+
+inline const Vector &CMoveData::GetAbsOrigin() const
+{
+	return m_vecAbsOrigin;
+}
+
+#if !defined( CLIENT_DLL ) && defined( _DEBUG )
+// We only ever want this code path on the server side in a debug build
+//  and you have to uncomment the code below and rebuild to have the test operate.
+//#define PLAYER_GETTING_STUCK_TESTING
+
+#endif
+
+#if !defined( PLAYER_GETTING_STUCK_TESTING )
+
+// This is implemented with a more exhaustive test in gamemovement.cpp.  We check if the origin being requested is
+//  inside solid, which it never should be
+inline void CMoveData::SetAbsOrigin( const Vector &vec )
+{
+	m_vecAbsOrigin = vec;
+}
+
+#endif
+
+
+//-----------------------------------------------------------------------------
+// Purpose: The basic player movement interface
+//-----------------------------------------------------------------------------
+
+abstract_class IGameMovement
+{
+public:
+	virtual			~IGameMovement( void ) {}
+	
+	// Process the current movement command
+	virtual void	ProcessMovement( CBasePlayer *pPlayer, CMoveData *pMove ) = 0;
+	virtual void	Reset( void ) = 0;
+	virtual void	StartTrackPredictionErrors( CBasePlayer *pPlayer ) = 0;
+	virtual void	FinishTrackPredictionErrors( CBasePlayer *pPlayer ) = 0;
+	virtual void	DiffPrint( PRINTF_FORMAT_STRING char const *fmt, ... ) = 0;
+
+	// Allows other parts of the engine to find out the normal and ducked player bbox sizes
+	virtual Vector const&	GetPlayerMins( bool ducked ) const = 0;
+	virtual Vector const&	GetPlayerMaxs( bool ducked ) const = 0;
+	virtual Vector const&   GetPlayerViewOffset( bool ducked ) const = 0;
+
+	virtual bool		IsMovingPlayerStuck( void ) const = 0;
+	virtual CBasePlayer *GetMovingPlayer( void ) const = 0;
+	virtual void		UnblockPusher( CBasePlayer *pPlayer, CBaseEntity *pPusher ) = 0;
+
+	virtual void SetupMovementBounds( CMoveData *pMove ) = 0;
+};
+
+
+#endif // IGAMEMOVEMENT_H