1HEADmaster

1 files changed, 256 insertions, 0 deletions

diff --git a/game/server/ai_scriptconditions.h b/game/server/ai_scriptconditions.h
new file mode 100644
index 0000000..8162c10
--- /dev/null
+++ b/game/server/ai_scriptconditions.h
@@ -0,0 +1,256 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose:
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef AI_SCRIPTCONDITIONS_H
+#define AI_SCRIPTCONDITIONS_H
+
+#include "baseentity.h"
+#include "entityoutput.h"
+#include "simtimer.h"
+#include "ai_npcstate.h"
+
+#if defined( _WIN32 )
+#pragma once
+#endif
+
+//-----------------------------------------------------------------------------
+
+class CAI_ProxTester
+{
+public:
+	CAI_ProxTester()
+		: m_distSq( 0 ),
+		m_fInside( false )
+	{
+	}
+
+	void Init( float dist )
+	{
+		m_fInside = ( dist > 0 );
+		m_distSq = dist * dist;
+	}
+
+	bool Check( CBaseEntity *pEntity1, CBaseEntity *pEntity2 )
+	{
+		if ( m_distSq != 0 )
+		{
+			float distSq = ( pEntity1->GetAbsOrigin() - pEntity2->GetAbsOrigin() ).LengthSqr();
+			bool fInside = ( distSq < m_distSq );
+
+			return ( m_fInside == fInside );
+		}
+		return true;
+	}
+
+	DECLARE_SIMPLE_DATADESC();
+
+private:
+
+	float m_distSq;
+	bool  m_fInside;
+};
+
+//-----------------------------------------------------------------------------
+class CAI_ScriptConditionsElement
+{
+public:
+
+	DECLARE_SIMPLE_DATADESC();
+
+	void			SetActor( CBaseEntity *pEntity ) { m_hActor = pEntity; }
+	CBaseEntity		*GetActor( void ){ return m_hActor.Get(); }
+
+	void			SetTimer( CSimTimer timer ) { m_Timer = timer;	}
+	CSimTimer		*GetTimer( void ) { return &m_Timer;	}
+	
+	void			SetTimeOut( CSimTimer timeout) { m_Timeout = timeout;	}
+	CSimTimer		*GetTimeOut( void ) { return &m_Timeout;	}
+
+private:
+	EHANDLE			m_hActor;
+	CSimTimer		m_Timer;
+	CSimTimer		m_Timeout;
+};
+
+//-----------------------------------------------------------------------------
+// class CAI_ScriptConditions
+//
+// Purpose: Watches a set of conditions relative to a given NPC, and when they
+//			are all satisfied, fires the relevant output
+//-----------------------------------------------------------------------------
+
+class CAI_ScriptConditions : public CBaseEntity, public IEntityListener
+{
+	DECLARE_CLASS( CAI_ScriptConditions, CBaseEntity );
+
+public:
+	CAI_ScriptConditions()
+		:	m_fDisabled( true ),
+		m_flRequiredTime( 0 ),
+		m_fMinState( NPC_STATE_IDLE ),
+		m_fMaxState( NPC_STATE_IDLE ),
+		m_fScriptStatus( TRS_NONE ),
+		m_fActorSeePlayer( TRS_NONE ),
+		m_flPlayerActorProximity( 0 ),
+		m_flPlayerActorFOV( -1 ),
+		m_fPlayerActorLOS( TRS_NONE ),
+		m_fActorSeeTarget( TRS_NONE ),
+		m_flActorTargetProximity( 0 ),
+		m_flPlayerTargetProximity( 0 ),
+		m_flPlayerTargetFOV( 0 ),
+		m_fPlayerTargetLOS( TRS_NONE ),
+		m_fPlayerBlockingActor( TRS_NONE ),
+		m_flMinTimeout( 0 ),
+		m_flMaxTimeout( 0 ),
+		m_fActorInPVS( TRS_NONE ),
+		m_fActorInVehicle( TRS_NONE ),
+		m_fPlayerInVehicle( TRS_NONE )
+	{
+#ifndef HL2_EPISODIC
+		m_hActor = NULL;
+#endif
+	}
+
+private:
+	void Spawn();
+	void Activate();
+
+	void EvaluationThink();
+
+	void Enable();
+	void Disable();
+
+	void SetThinkTime()			{ SetNextThink( gpGlobals->curtime + 0.250 ); }
+
+	// Evaluators
+	struct EvalArgs_t
+	{
+		CBaseEntity *pActor; 
+		CBasePlayer *pPlayer; 
+		CBaseEntity *pTarget;
+	};
+
+	bool EvalState( const EvalArgs_t &args );
+	bool EvalActorSeePlayer( const EvalArgs_t &args );
+	bool EvalPlayerActorLook( const EvalArgs_t &args );
+	bool EvalPlayerTargetLook( const EvalArgs_t &args );
+	bool EvalPlayerActorProximity( const EvalArgs_t &args );
+	bool EvalPlayerTargetProximity( const EvalArgs_t &args );
+	bool EvalActorTargetProximity( const EvalArgs_t &args );
+	bool EvalActorSeeTarget( const EvalArgs_t &args );
+	bool EvalPlayerActorLOS( const EvalArgs_t &args );
+	bool EvalPlayerTargetLOS( const EvalArgs_t &args );
+	bool EvalPlayerBlockingActor( const EvalArgs_t &args );
+	bool EvalActorInPVS( const EvalArgs_t &args );
+	bool EvalPlayerInVehicle( const EvalArgs_t &args );
+	bool EvalActorInVehicle( const EvalArgs_t &args );
+
+	void OnEntitySpawned( CBaseEntity *pEntity );
+
+	int AddNewElement( CBaseEntity *pActor );
+
+	bool ActorInList( CBaseEntity *pActor );
+	void UpdateOnRemove( void );
+
+	// Input handlers
+	void InputEnable( inputdata_t &inputdata );
+	void InputDisable( inputdata_t &inputdata );
+
+	// Output handlers
+	COutputEvent	m_OnConditionsSatisfied;
+	COutputEvent	m_OnConditionsTimeout;
+	COutputEvent	m_NoValidActors;
+
+	//---------------------------------
+
+#ifndef HL2_EPISODIC
+	CBaseEntity *GetActor()		{ return m_hActor.Get();			}
+#endif
+	CBasePlayer *GetPlayer()	{ return UTIL_GetLocalPlayer();	}
+
+	//---------------------------------
+
+	// @Note (toml 07-17-02): At some point, it may be desireable to switch to using function objects instead of functions. Probably
+	// if support for NPCs addiing custom conditions becomes necessary
+	typedef bool (CAI_ScriptConditions::*EvaluationFunc_t)( const EvalArgs_t &args );
+
+	struct EvaluatorInfo_t
+	{
+		EvaluationFunc_t	pfnEvaluator;
+		const char			*pszName;
+	};
+
+	static EvaluatorInfo_t gm_Evaluators[];
+
+	//---------------------------------
+	// Evaluation helpers
+
+	static bool IsInFOV( CBaseEntity *pViewer, CBaseEntity *pViewed, float fov, bool bTrueCone );
+	static bool PlayerHasLineOfSight( CBaseEntity *pViewer, CBaseEntity *pViewed, bool fNot );
+	static bool ActorInPlayersPVS( CBaseEntity *pActor, bool bNot );
+
+	virtual void OnRestore( void );
+
+	//---------------------------------
+	// General conditions info
+
+	bool			m_fDisabled;
+	bool			m_bLeaveAsleep;
+	EHANDLE			m_hTarget;
+
+	float			m_flRequiredTime;	// How long should the conditions me true
+
+#ifndef HL2_EPISODIC
+	EHANDLE 		m_hActor;
+	CSimTimer		m_Timer; 			// @TODO (toml 07-16-02): save/load of timer once Jay has save/load of contained objects
+	CSimTimer		m_Timeout;
+#endif
+
+	//---------------------------------
+	// Specific conditions data
+	NPC_STATE		m_fMinState;
+	NPC_STATE		m_fMaxState;
+	ThreeState_t 	m_fScriptStatus;
+	ThreeState_t 	m_fActorSeePlayer;
+	string_t		m_Actor;
+
+	float 			m_flPlayerActorProximity;
+	CAI_ProxTester	m_PlayerActorProxTester;
+
+	float			m_flPlayerActorFOV;
+	bool			m_bPlayerActorFOVTrueCone;
+	ThreeState_t	m_fPlayerActorLOS;
+	ThreeState_t 	m_fActorSeeTarget;
+
+	float 			m_flActorTargetProximity;
+	CAI_ProxTester	m_ActorTargetProxTester;
+
+	float 			m_flPlayerTargetProximity;
+	CAI_ProxTester	m_PlayerTargetProxTester;
+
+	float 			m_flPlayerTargetFOV;
+	bool			m_bPlayerTargetFOVTrueCone;
+	ThreeState_t	m_fPlayerTargetLOS;
+	ThreeState_t	m_fPlayerBlockingActor;
+	ThreeState_t	m_fActorInPVS;
+
+	float			m_flMinTimeout;
+	float			m_flMaxTimeout;
+
+	ThreeState_t	m_fActorInVehicle;
+	ThreeState_t	m_fPlayerInVehicle;
+
+	CUtlVector< CAI_ScriptConditionsElement > m_ElementList;
+
+	//---------------------------------
+
+	DECLARE_DATADESC();
+};
+
+//=============================================================================
+
+#endif // AI_SCRIPTCONDITIONS_H
\ No newline at end of file