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game/server/monstermaker.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#ifndef MONSTERMAKER_H
+#define MONSTERMAKER_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "cbase.h"
+
+
+//-----------------------------------------------------------------------------
+// Spawnflags
+//-----------------------------------------------------------------------------
+#define	SF_NPCMAKER_START_ON		1	// start active ( if has targetname )
+#define SF_NPCMAKER_NPCCLIP			8	// Children are blocked by NPCclip
+#define SF_NPCMAKER_FADE			16	// Children's corpses fade
+#define SF_NPCMAKER_INF_CHILD		32	// Infinite number of children
+#define	SF_NPCMAKER_NO_DROP			64	// Do not adjust for the ground's position when checking for spawn
+#define SF_NPCMAKER_HIDEFROMPLAYER	128 // Don't spawn if the player's looking at me
+#define SF_NPCMAKER_ALWAYSUSERADIUS	256	// Use radius spawn whenever spawning
+#define SF_NPCMAKER_NOPRELOADMODELS 512	// Suppress preloading into the cache of all referenced .mdl files
+
+//=========================================================
+//=========================================================
+class CNPCSpawnDestination : public CPointEntity 
+{
+	DECLARE_CLASS( CNPCSpawnDestination, CPointEntity );
+
+public:
+	CNPCSpawnDestination();
+	bool IsAvailable();						// Is this spawn destination available for selection?
+	void OnSpawnedNPC( CAI_BaseNPC *pNPC );	// Notify this spawn destination that an NPC has spawned here.
+
+	float		m_ReuseDelay;		// How long to be unavailable after being selected
+	string_t	m_RenameNPC;		// If not NULL, rename the NPC that spawns here to this.
+	float		m_TimeNextAvailable;// The time at which this destination will be available again.
+
+	COutputEvent	m_OnSpawnNPC;
+
+	DECLARE_DATADESC();
+};
+
+abstract_class CBaseNPCMaker : public CBaseEntity
+{
+public:
+	DECLARE_CLASS( CBaseNPCMaker, CBaseEntity );
+
+	void Spawn( void );
+	virtual int	ObjectCaps( void ) { return BaseClass::ObjectCaps() & ~FCAP_ACROSS_TRANSITION; }
+	void MakerThink( void );
+	bool HumanHullFits( const Vector &vecLocation );
+	bool CanMakeNPC( bool bIgnoreSolidEntities = false );
+
+	virtual void DeathNotice( CBaseEntity *pChild );// NPC maker children use this to tell the NPC maker that they have died.
+	virtual void MakeNPC( void ) = 0;
+
+	virtual	void ChildPreSpawn( CAI_BaseNPC *pChild ) {};
+	virtual	void ChildPostSpawn( CAI_BaseNPC *pChild );
+
+	CBaseNPCMaker(void) {}
+
+	// Input handlers
+	void InputSpawnNPC( inputdata_t &inputdata );
+	void InputEnable( inputdata_t &inputdata );
+	void InputDisable( inputdata_t &inputdata );
+	void InputToggle( inputdata_t &inputdata );
+	void InputSetMaxChildren( inputdata_t &inputdata );
+	void InputAddMaxChildren( inputdata_t &inputdata );
+	void InputSetMaxLiveChildren( inputdata_t &inputdata );
+	void InputSetSpawnFrequency( inputdata_t &inputdata );
+
+	// State changers
+	void Toggle( void );
+	virtual void Enable( void );
+	virtual void Disable( void );
+
+	virtual bool IsDepleted( void );
+
+	DECLARE_DATADESC();
+	
+	int			m_nMaxNumNPCs;			// max number of NPCs this ent can create
+	float		m_flSpawnFrequency;		// delay (in secs) between spawns 
+
+	COutputEHANDLE m_OnSpawnNPC;
+	COutputEvent m_OnAllSpawned;
+	COutputEvent m_OnAllSpawnedDead;
+	COutputEvent m_OnAllLiveChildrenDead;
+	
+	int		m_nLiveChildren;	// how many NPCs made by this NPC maker that are currently alive
+	int		m_nMaxLiveChildren;	// max number of NPCs that this maker may have out at one time.
+
+	bool	m_bDisabled;
+
+	EHANDLE m_hIgnoreEntity;
+	string_t m_iszIngoreEnt;
+};
+
+
+class CNPCMaker : public CBaseNPCMaker
+{
+public:
+	DECLARE_CLASS( CNPCMaker, CBaseNPCMaker );
+
+	CNPCMaker( void );
+
+	void Precache( void );
+
+	virtual void MakeNPC( void );
+
+	DECLARE_DATADESC();
+	
+	string_t m_iszNPCClassname;			// classname of the NPC(s) that will be created.
+	string_t m_SquadName;
+	string_t m_strHintGroup;
+	string_t m_spawnEquipment;
+	string_t m_RelationshipString;		// Used to load up relationship keyvalues
+	string_t m_ChildTargetName;
+};
+
+class CTemplateNPCMaker : public CBaseNPCMaker
+{
+public:
+	DECLARE_CLASS( CTemplateNPCMaker, CBaseNPCMaker );
+
+	CTemplateNPCMaker( void ) 
+	{
+		m_iMinSpawnDistance = 0;
+	}
+
+	virtual void Precache();
+
+	virtual CNPCSpawnDestination *FindSpawnDestination();
+	virtual void MakeNPC( void );
+	void MakeNPCInRadius( void );
+	void MakeNPCInLine( void );
+	virtual void MakeMultipleNPCS( int nNPCs );
+
+protected:
+	virtual void PrecacheTemplateEntity( CBaseEntity *pEntity );
+
+	bool PlaceNPCInRadius( CAI_BaseNPC *pNPC );
+	bool PlaceNPCInLine( CAI_BaseNPC *pNPC );
+
+	// Inputs
+	void InputSpawnInRadius( inputdata_t &inputdata ) { MakeNPCInRadius(); }
+	void InputSpawnInLine( inputdata_t &inputdata ) { MakeNPCInLine(); }
+	void InputSpawnMultiple( inputdata_t &inputdata );
+	void InputChangeDestinationGroup( inputdata_t &inputdata );
+	void InputSetMinimumSpawnDistance( inputdata_t &inputdata );
+	
+	float	m_flRadius;
+
+	DECLARE_DATADESC();
+
+	string_t m_iszTemplateName;		// The name of the NPC that will be used as the template.
+	string_t m_iszTemplateData;		// The keyvalue data blob from the template NPC that will be used to spawn new ones.
+	string_t m_iszDestinationGroup;	
+
+	int		m_iMinSpawnDistance;
+
+	enum ThreeStateYesNo_t
+	{
+		TS_YN_YES = 0,
+		TS_YN_NO,
+		TS_YN_DONT_CARE,
+	};
+
+	enum ThreeStateDist_t
+	{
+		TS_DIST_NEAREST = 0,
+		TS_DIST_FARTHEST,
+		TS_DIST_DONT_CARE,
+	};
+
+	ThreeStateYesNo_t	m_CriterionVisibility;
+	ThreeStateDist_t	m_CriterionDistance;
+};
+
+#endif // MONSTERMAKER_H