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233 lines
5.4 KiB
233 lines
5.4 KiB
![]()
4 years ago
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Combat behaviors for AIs in a relatively self-preservationist mode.
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// Lots of cover taking and attempted shots out of cover.
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//
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//=============================================================================//
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#ifndef AI_BEHAVIOR_STANDOFF_H
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#define AI_BEHAVIOR_STANDOFF_H
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#include "utlvector.h"
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#include "utlmap.h"
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#include "ai_behavior.h"
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#include "ai_utils.h"
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#include "ai_hint.h"
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#if defined( _WIN32 )
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#pragma once
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#endif
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//-----------------------------------------------------------------------------
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enum AI_HintChangeReaction_t
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{
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AIHCR_DEFAULT_AI,
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AIHCR_MOVE_ON_COVER,
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AIHCR_MOVE_IMMEDIATE,
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};
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struct AI_StandoffParams_t
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{
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AI_HintChangeReaction_t hintChangeReaction;
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bool fCoverOnReload;
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bool fPlayerIsBattleline;
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float minTimeShots;
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float maxTimeShots;
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int minShots;
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int maxShots;
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int oddsCover;
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bool fStayAtCover;
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float flAbandonTimeLimit;
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DECLARE_SIMPLE_DATADESC();
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};
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//-------------------------------------
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enum AI_Posture_t
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{
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AIP_INDIFFERENT,
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AIP_STANDING,
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AIP_CROUCHING,
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AIP_PEEKING,
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};
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enum
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{
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STANDOFF_SENTENCE_BEGIN_STANDOFF = SENTENCE_BASE_BEHAVIOR_INDEX,
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STANDOFF_SENTENCE_END_STANDOFF,
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STANDOFF_SENTENCE_OUT_OF_AMMO,
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STANDOFF_SENTENCE_FORCED_TAKE_COVER,
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STANDOFF_SENTENCE_STAND_CHECK_TARGET,
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};
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class CAI_MappedActivityBehavior_Temporary : public CAI_SimpleBehavior
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{
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DECLARE_CLASS( CAI_MappedActivityBehavior_Temporary, CAI_SimpleBehavior );
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public:
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CAI_MappedActivityBehavior_Temporary( CAI_BaseNPC *pOuter = NULL )
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: CAI_SimpleBehavior(pOuter)
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{
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SetDefLessFunc( m_ActivityMap );
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}
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protected:
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Activity GetMappedActivity( AI_Posture_t posture, Activity activity );
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void OnChangeActiveWeapon( CBaseCombatWeapon *pOldWeapon, CBaseCombatWeapon *pNewWeapon );
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virtual void UpdateTranslateActivityMap();
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private:
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CUtlMap<unsigned, Activity> m_ActivityMap;
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};
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class CAI_StandoffBehavior : public CAI_MappedActivityBehavior_Temporary
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{
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DECLARE_CLASS( CAI_StandoffBehavior, CAI_MappedActivityBehavior_Temporary );
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public:
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CAI_StandoffBehavior( CAI_BaseNPC *pOuter = NULL );
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virtual const char *GetName() { return "Standoff"; }
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void SetActive( bool fActive );
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void SetParameters( const AI_StandoffParams_t ¶ms, CAI_GoalEntity *pGoalEntity = NULL );
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Vector GetStandoffGoalPosition();
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void SetStandoffGoalPosition( const Vector &vecPos );
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void ClearStandoffGoalPosition();
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AI_Posture_t GetPosture();
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bool IsActive( void ) { return m_fActive; }
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void OnChangeTacticalConstraints();
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bool CanSelectSchedule();
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bool IsBehindBattleLines( const Vector &point );
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protected:
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void Spawn();
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void BeginScheduleSelection();
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void EndScheduleSelection();
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void PrescheduleThink();
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void GatherConditions();
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int SelectSchedule();
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int TranslateSchedule( int scheduleType );
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void StartTask( const Task_t *pTask );
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void BuildScheduleTestBits();
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virtual void OnUpdateShotRegulator();
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Activity NPC_TranslateActivity( Activity eNewActivity );
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bool IsValidCover( const Vector &vecCoverLocation, CAI_Hint const *pHint );
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bool IsValidShootPosition( const Vector &vecCoverLocation, CAI_Node *pNode, CAI_Hint const *pHint );
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void SetPosture( AI_Posture_t posture );
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void OnChangeHintGroup( string_t oldGroup, string_t newGroup );
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virtual int SelectScheduleUpdateWeapon();
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virtual int SelectScheduleCheckCover();
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virtual int SelectScheduleEstablishAim();
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virtual int SelectScheduleAttack();
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bool PlayerIsLeading();
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CBaseEntity *GetPlayerLeader();
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bool GetDirectionOfStandoff( Vector *pDir );
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void UpdateBattleLines();
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Hint_e GetHintType();
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void SetReuseCurrentCover();
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void UnlockHintNode();
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Activity GetCoverActivity();
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void OnRestore();
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void UpdateTranslateActivityMap();
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// Standoff overrides base AI crouch handling
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bool IsCrouching( void ) { return false; }
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private:
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//----------------------------
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enum
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{
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NEXT_SCHEDULE = BaseClass::NEXT_SCHEDULE,
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NEXT_TASK = BaseClass::NEXT_TASK,
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COND_ABANDON_TIME_EXPIRED = BaseClass::NEXT_CONDITION,
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NEXT_CONDITION
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};
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DEFINE_CUSTOM_SCHEDULE_PROVIDER;
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//---------------------------------
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// @TODO (toml 07-30-03): replace all these booleans with a singe 32 bit unsigned & bit flags
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bool m_fActive;
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bool m_fTestNoDamage;
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Vector m_vecStandoffGoalPosition;
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AI_Posture_t m_posture;
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AI_StandoffParams_t m_params;
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EHANDLE m_hStandoffGoal;
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bool m_fTakeCover;
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float m_SavedDistTooFar;
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bool m_fForceNewEnemy;
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CAI_MoveMonitor m_PlayerMoveMonitor;
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CSimTimer m_TimeForceCoverHint;
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CSimTimer m_TimePreventForceNewEnemy;
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CRandSimTimer m_RandomCoverChangeTimer;
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// FIXME: TEMPORARY! REMOVE
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int m_nSavedMinShots, m_nSavedMaxShots;
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float m_flSavedMinRest, m_flSavedMaxRest;
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//---------------------------------
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struct BattleLine_t
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{
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Vector point;
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Vector normal;
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};
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CThinkOnceSemaphore m_UpdateBattleLinesSemaphore;
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CUtlVector<BattleLine_t> m_BattleLines;
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bool m_fIgnoreFronts;
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//---------------------------------
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bool m_bHasLowCoverActivity;
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//---------------------------------
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DECLARE_DATADESC();
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};
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//-------------------------------------
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inline void CAI_StandoffBehavior::SetPosture( AI_Posture_t posture )
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{
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m_posture = posture;
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}
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//-------------------------------------
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inline AI_Posture_t CAI_StandoffBehavior::GetPosture()
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{
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return m_posture;
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}
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//-----------------------------------------------------------------------------
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#endif // AI_BEHAVIOR_STANDOFF_H
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