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game/server/NextBot/Player/NextBotPlayerBody.h

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+// NextBotPlayerBody.h
+// Control and information about the bot's body state (posture, animation state, etc)
+// Author: Michael Booth, October 2006
+//========= Copyright Valve Corporation, All rights reserved. ============//
+
+#ifndef _NEXT_BOT_PLAYER_BODY_H_
+#define _NEXT_BOT_PLAYER_BODY_H_
+
+#include "NextBotBodyInterface.h"
+
+
+//----------------------------------------------------------------------------------------------------------------
+/**
+ * A useful reply for IBody::AimHeadTowards.  When the
+ * head is aiming on target, press the fire button.
+ */
+class PressFireButtonReply : public INextBotReply
+{
+public:
+	virtual void OnSuccess( INextBot *bot );	// invoked when process completed successfully
+};
+
+
+//----------------------------------------------------------------------------------------------------------------
+/**
+ * A useful reply for IBody::AimHeadTowards.  When the
+ * head is aiming on target, press the alt-fire button.
+ */
+class PressAltFireButtonReply : public INextBotReply
+{
+public:
+	virtual void OnSuccess( INextBot *bot );	// invoked when process completed successfully
+};
+
+
+//----------------------------------------------------------------------------------------------------------------
+/**
+ * A useful reply for IBody::AimHeadTowards.  When the
+ * head is aiming on target, press the jump button.
+ */
+class PressJumpButtonReply : public INextBotReply
+{
+public:
+	virtual void OnSuccess( INextBot *bot );	// invoked when process completed successfully
+};
+
+
+//----------------------------------------------------------------------------------------------------------------
+/**
+ * The interface for control and information about the bot's body state (posture, animation state, etc)
+ */
+class PlayerBody : public IBody
+{
+public:
+	PlayerBody( INextBot *bot );
+	virtual ~PlayerBody();
+
+	virtual void Reset( void );										// reset to initial state
+	virtual void Upkeep( void );									// lightweight update guaranteed to occur every server tick
+
+	virtual bool SetPosition( const Vector &pos );
+
+	virtual const Vector &GetEyePosition( void ) const;				// return the eye position of the bot in world coordinates
+	virtual const Vector &GetViewVector( void ) const;				// return the view unit direction vector in world coordinates
+
+	virtual void AimHeadTowards( const Vector &lookAtPos, 
+								 LookAtPriorityType priority = BORING, 
+								 float duration = 0.0f,
+								 INextBotReply *replyWhenAimed = NULL,
+								 const char *reason = NULL );		// aim the bot's head towards the given goal
+
+	virtual void AimHeadTowards( CBaseEntity *subject,
+								 LookAtPriorityType priority = BORING, 
+								 float duration = 0.0f,
+								 INextBotReply *replyWhenAimed = NULL,
+								 const char *reason = NULL );		// continually aim the bot's head towards the given subject
+
+	virtual bool IsHeadAimingOnTarget( void ) const;				// return true if the bot's head has achieved its most recent lookat target
+	virtual bool IsHeadSteady( void ) const;						// return true if head is not rapidly turning to look somewhere else
+	virtual float GetHeadSteadyDuration( void ) const;				// return the duration that the bot's head has been on-target
+	virtual void ClearPendingAimReply( void );						// clear out currently pending replyWhenAimed callback
+
+	virtual float GetMaxHeadAngularVelocity( void ) const;			// return max turn rate of head in degrees/second
+
+	virtual bool StartActivity( Activity act, unsigned int flags );
+	virtual Activity GetActivity( void ) const;						// return currently animating activity
+	virtual bool IsActivity( Activity act ) const;					// return true if currently animating activity matches the given one
+	virtual bool HasActivityType( unsigned int flags ) const;		// return true if currently animating activity has any of the given flags
+
+	virtual void SetDesiredPosture( PostureType posture );			// request a posture change
+	virtual PostureType GetDesiredPosture( void ) const;			// get posture body is trying to assume
+	virtual bool IsDesiredPosture( PostureType posture ) const;		// return true if body is trying to assume this posture
+	virtual bool IsInDesiredPosture( void ) const;					// return true if body's actual posture matches its desired posture
+
+	virtual PostureType GetActualPosture( void ) const;				// return body's current actual posture
+	virtual bool IsActualPosture( PostureType posture ) const;		// return true if body is actually in the given posture
+
+	virtual bool IsPostureMobile( void ) const;						// return true if body's current posture allows it to move around the world
+	virtual bool IsPostureChanging( void ) const;					// return true if body's posture is in the process of changing to new posture
+
+	virtual void SetArousal( ArousalType arousal );					// arousal level change
+	virtual ArousalType GetArousal( void ) const;					// get arousal level
+	virtual bool IsArousal( ArousalType arousal ) const;			// return true if body is at this arousal level
+
+	virtual float GetHullWidth( void ) const;						// width of bot's collision hull in XY plane
+	virtual float GetHullHeight( void ) const;						// height of bot's current collision hull based on posture
+	virtual float GetStandHullHeight( void ) const;					// height of bot's collision hull when standing
+	virtual float GetCrouchHullHeight( void ) const;				// height of bot's collision hull when crouched
+	virtual const Vector &GetHullMins( void ) const;				// return current collision hull minimums based on actual body posture
+	virtual const Vector &GetHullMaxs( void ) const;				// return current collision hull maximums based on actual body posture
+
+	virtual unsigned int GetSolidMask( void ) const;				// return the bot's collision mask (hack until we get a general hull trace abstraction here or in the locomotion interface)
+
+	virtual CBaseEntity *GetEntity( void );					// get the entity
+private:
+	CBasePlayer *m_player;
+	
+	PostureType m_posture;
+	ArousalType m_arousal;
+
+	mutable Vector m_eyePos;			// for use with GetEyePosition() ONLY
+	mutable Vector m_viewVector;		// for use with GetViewVector() ONLY
+	mutable Vector m_hullMins;			// for use with GetHullMins() ONLY
+	mutable Vector m_hullMaxs;			// for use with GetHullMaxs() ONLY
+
+	Vector m_lookAtPos;					// if m_lookAtSubject is non-NULL, it continually overwrites this position with its own
+	EHANDLE m_lookAtSubject;
+	Vector m_lookAtVelocity;			// world velocity of lookat point, for tracking moving subjects
+	CountdownTimer m_lookAtTrackingTimer;	
+
+	LookAtPriorityType m_lookAtPriority;
+	CountdownTimer m_lookAtExpireTimer;		// how long until this lookat expired
+	IntervalTimer m_lookAtDurationTimer;	// how long have we been looking at this target
+	INextBotReply *m_lookAtReplyWhenAimed;
+	bool m_isSightedIn;					// true if we are looking at our last lookat target
+	bool m_hasBeenSightedIn;			// true if we have hit the current lookat target
+
+	IntervalTimer m_headSteadyTimer;
+	QAngle m_priorAngles;				// last update's head angles
+	QAngle m_desiredAngles;
+
+	CountdownTimer m_anchorRepositionTimer;	// the time is takes us to recenter our virtual mouse
+	Vector m_anchorForward;
+};
+
+inline bool PlayerBody::IsHeadAimingOnTarget( void ) const
+{
+	// TODO: Calling this immediately after AimHeadTowards will always return false until next Upkeep() (MSB)
+	return m_isSightedIn;
+}
+
+
+#endif // _NEXT_BOT_PLAYER_BODY_H_