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82 lines
3.0 KiB
82 lines
3.0 KiB
5 years ago
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// NextBotAttentionInterface.h
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// Manage what this bot pays attention to
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// Author: Michael Booth, April 2007
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//========= Copyright Valve Corporation, All rights reserved. ============//
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#ifndef _NEXT_BOT_ATTENTION_INTERFACE_H_
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#define _NEXT_BOT_ATTENTION_INTERFACE_H_
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#include "NextBotComponentInterface.h"
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class INextBot;
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class IBody;
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//----------------------------------------------------------------------------------------------------------------
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/**
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* The interface for managing what a bot pays attention to.
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* Vision determines what see see and notice -> Attention determines which of those things we look at -> Low level head/aiming simulation actually moves our head/eyes
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*/
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class IAttention : public INextBotComponent
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{
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public:
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IAttention( INextBot *bot ) : INextBotComponent( bot ) { }
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virtual ~IAttention() { }
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virtual void Reset( void ) { } // reset to initial state
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virtual void Update( void ) { } // update internal state
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enum SignificanceLevel
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{
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BORING, // background noise
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INTERESTING, // notably interesting
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COMPELLING, // very hard to pay attention to anything else
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IRRESISTIBLE, // can't look away
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};
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// override these to control the significance of entities in a context-specific way
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virtual int CompareSignificance( const CBaseEntity *a, const CBaseEntity *b ) const; // returns <0 if a < b, 0 if a==b, or >0 if a>b
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// bring things to our attention
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virtual void AttendTo( CBaseEntity *what, const char *reason = NULL );
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virtual void AttendTo( const Vector &where, SignificanceLevel significance, const char *reason = NULL );
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// remove things from our attention
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virtual void Disregard( CBaseEntity *what, const char *reason = NULL );
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virtual bool IsAwareOf( CBaseEntity *what ) const; // return true if given object is in our attending set
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virtual float GetAwareDuration( CBaseEntity *what ) const; // return how long we've been aware of this entity
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// INextBotEventResponder ------------------------------------------------------------------
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virtual void OnInjured( const CTakeDamageInfo &info ); // when bot is damaged by something
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virtual void OnContact( CBaseEntity *other, CGameTrace *result = NULL ); // invoked when bot touches 'other'
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virtual void OnSight( CBaseEntity *subject ); // when subject initially enters bot's visual awareness
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virtual void OnLostSight( CBaseEntity *subject ); // when subject leaves enters bot's visual awareness
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virtual void OnSound( CBaseEntity *source, const CSoundParameters ¶ms ); // when an entity emits a sound
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private:
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IBody *m_body; // to access head aiming
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struct PointOfInterest
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{
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enum { ENTITY, POSITION } m_type;
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CHandle< CBaseEntity > m_entity;
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Vector m_position;
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IntervalTimer m_duration; // how long has this PoI been in our attention set
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};
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CUtlVector< PointOfInterest > m_attentionSet; // the set of things we are attending to
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};
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inline int IAttention::CompareSignificance( const CBaseEntity *a, const CBaseEntity *b ) const
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{
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return 0;
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}
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#endif // _NEXT_BOT_ATTENTION_INTERFACE_H_
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