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170 lines
4.7 KiB
170 lines
4.7 KiB
![]()
4 years ago
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//=============================================================================//
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#ifndef AI_SENSES_H
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#define AI_SENSES_H
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#include "tier1/utlvector.h"
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#include "tier1/utlmap.h"
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#include "simtimer.h"
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#include "ai_component.h"
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#include "soundent.h"
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#if defined( _WIN32 )
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#pragma once
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#endif
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class CBaseEntity;
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class CSound;
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//-------------------------------------
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DECLARE_POINTER_HANDLE( AISightIter_t );
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DECLARE_POINTER_HANDLE( AISoundIter_t );
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// GetFirstSeenEntity can take these as optional parameters to search for
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// a specific type of entity.
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enum seentype_t
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{
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SEEN_ALL = -1, // Default
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SEEN_HIGH_PRIORITY = 0,
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SEEN_NPCS,
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SEEN_MISC
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};
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#define SENSING_FLAGS_NONE 0x00000000
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#define SENSING_FLAGS_DONT_LOOK 0x00000001 // Effectively makes the NPC blind
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#define SENSING_FLAGS_DONT_LISTEN 0x00000002 // Effectively makes the NPC deaf
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//-----------------------------------------------------------------------------
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// class CAI_ScriptConditions
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//
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// Purpose:
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//-----------------------------------------------------------------------------
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class CAI_Senses : public CAI_Component
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{
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public:
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CAI_Senses()
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: m_LookDist(2048),
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m_LastLookDist(-1),
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m_TimeLastLook(-1),
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m_iAudibleList(0),
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m_TimeLastLookHighPriority( -1 ),
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m_TimeLastLookNPCs( -1 ),
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m_TimeLastLookMisc( -1 )
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{
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m_SeenArrays[0] = &m_SeenHighPriority;
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m_SeenArrays[1] = &m_SeenNPCs;
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m_SeenArrays[2] = &m_SeenMisc;
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m_iSensingFlags = SENSING_FLAGS_NONE;
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}
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float GetDistLook() const { return m_LookDist; }
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void SetDistLook( float flDistLook ) { m_LookDist = flDistLook; }
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void PerformSensing();
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void Listen( void );
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void Look( int iDistance );// basic sight function for npcs
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bool ShouldSeeEntity( CBaseEntity *pEntity ); // logical query
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bool CanSeeEntity( CBaseEntity *pSightEnt ); // more expensive cone & raycast test
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#ifdef PORTAL
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bool CanSeeEntityThroughPortal( const CProp_Portal *pPortal, CBaseEntity *pSightEnt ); // more expensive cone & raycast test
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#endif
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bool DidSeeEntity( CBaseEntity *pSightEnt ) const; // a less expensive query that looks at cached results from recent conditionsa gathering
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CBaseEntity * GetFirstSeenEntity( AISightIter_t *pIter, seentype_t iSeenType = SEEN_ALL ) const;
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CBaseEntity * GetNextSeenEntity( AISightIter_t *pIter ) const;
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CSound * GetFirstHeardSound( AISoundIter_t *pIter );
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CSound * GetNextHeardSound( AISoundIter_t *pIter );
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CSound * GetClosestSound( bool fScent = false, int validTypes = ALL_SOUNDS | ALL_SCENTS, bool bUsePriority = true );
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bool CanHearSound( CSound *pSound );
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//---------------------------------
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float GetTimeLastUpdate( CBaseEntity *pEntity );
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//---------------------------------
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void AddSensingFlags( int iFlags ) { m_iSensingFlags |= iFlags; }
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void RemoveSensingFlags( int iFlags ) { m_iSensingFlags &= ~iFlags; }
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bool HasSensingFlags( int iFlags ) { return (m_iSensingFlags & iFlags) == iFlags; }
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DECLARE_SIMPLE_DATADESC();
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private:
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int GetAudibleList() const { return m_iAudibleList; }
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bool WaitingUntilSeen( CBaseEntity *pSightEnt );
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void BeginGather();
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void NoteSeenEntity( CBaseEntity *pSightEnt );
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void EndGather( int nSeen, CUtlVector<EHANDLE> *pResult );
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bool Look( CBaseEntity *pSightEnt );
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#ifdef PORTAL
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bool LookThroughPortal( const CProp_Portal *pPortal, CBaseEntity *pSightEnt );
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#endif
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int LookForHighPriorityEntities( int iDistance );
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int LookForNPCs( int iDistance );
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int LookForObjects( int iDistance );
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bool SeeEntity( CBaseEntity *pEntity );
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float m_LookDist; // distance npc sees (Default 2048)
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float m_LastLookDist;
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float m_TimeLastLook;
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int m_iAudibleList; // first index of a linked list of sounds that the npc can hear.
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CUtlVector<EHANDLE> m_SeenHighPriority;
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CUtlVector<EHANDLE> m_SeenNPCs;
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CUtlVector<EHANDLE> m_SeenMisc;
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CUtlVector<EHANDLE> *m_SeenArrays[3];
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float m_TimeLastLookHighPriority;
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float m_TimeLastLookNPCs;
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float m_TimeLastLookMisc;
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int m_iSensingFlags;
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};
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//-----------------------------------------------------------------------------
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class CAI_SensedObjectsManager : public IEntityListener
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{
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public:
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void Init();
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void Term();
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CBaseEntity * GetFirst( int *pIter );
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CBaseEntity * GetNext( int *pIter );
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virtual void AddEntity( CBaseEntity *pEntity );
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private:
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virtual void OnEntitySpawned( CBaseEntity *pEntity );
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virtual void OnEntityDeleted( CBaseEntity *pEntity );
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CUtlVector<EHANDLE> m_SensedObjects;
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};
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extern CAI_SensedObjectsManager g_AI_SensedObjectsManager;
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//-----------------------------------------------------------------------------
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#endif // AI_SENSES_H
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