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game/server/hl2/npc_gman.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: The G-Man, misunderstood servant of the people
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+
+
+//-----------------------------------------------------------------------------
+// Generic NPC - purely for scripted sequence work.
+//-----------------------------------------------------------------------------
+#include "cbase.h"
+#include "npcevent.h"
+#include "ai_basenpc.h"
+#include "ai_hull.h"
+#include "ai_behavior_follow.h"
+#include "ai_playerally.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+//-----------------------------------------------------------------------------
+// NPC's Anim Events Go Here
+//-----------------------------------------------------------------------------
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+class CNPC_GMan : public CAI_PlayerAlly
+{
+public:
+	DECLARE_CLASS( CNPC_GMan, CAI_PlayerAlly );
+	DECLARE_DATADESC();
+
+	void	Spawn( void );
+	void	Precache( void );
+	Class_T Classify ( void );
+	void	HandleAnimEvent( animevent_t *pEvent );
+	virtual Disposition_t IRelationType(CBaseEntity *pTarget);
+	int		GetSoundInterests ( void );
+	bool	CreateBehaviors( void );
+	int		SelectSchedule( void );
+
+private:
+	CAI_FollowBehavior	m_FollowBehavior;
+};
+
+LINK_ENTITY_TO_CLASS( npc_gman, CNPC_GMan );
+
+BEGIN_DATADESC( CNPC_GMan )
+// (auto saved by AI)
+//	DEFINE_FIELD( m_FollowBehavior, FIELD_EMBEDDED ),	(auto saved by AI)
+END_DATADESC()
+
+//-----------------------------------------------------------------------------
+// Classify - indicates this NPC's place in the 
+// relationship table.
+//-----------------------------------------------------------------------------
+Class_T	CNPC_GMan::Classify ( void )
+{
+	return CLASS_PLAYER_ALLY_VITAL;
+}
+
+
+
+//-----------------------------------------------------------------------------
+// HandleAnimEvent - catches the NPC-specific messages
+// that occur when tagged animation frames are played.
+//-----------------------------------------------------------------------------
+void CNPC_GMan::HandleAnimEvent( animevent_t *pEvent )
+{
+	switch( pEvent->event )
+	{
+	case 1:
+	default:
+		BaseClass::HandleAnimEvent( pEvent );
+		break;
+	}
+}
+
+//-----------------------------------------------------------------------------
+// GetSoundInterests - generic NPC can't hear.
+//-----------------------------------------------------------------------------
+int CNPC_GMan::GetSoundInterests ( void )
+{
+	return NULL;
+}
+
+
+//-----------------------------------------------------------------------------
+// Spawn
+//-----------------------------------------------------------------------------
+void CNPC_GMan::Spawn()
+{
+	Precache();
+
+	BaseClass::Spawn();
+
+	SetModel( "models/gman.mdl" );
+
+	SetHullType(HULL_HUMAN);
+	SetHullSizeNormal();
+
+	SetSolid( SOLID_BBOX );
+	AddSolidFlags( FSOLID_NOT_STANDABLE );
+	SetMoveType( MOVETYPE_STEP );
+	SetBloodColor( BLOOD_COLOR_RED );
+	m_iHealth			= 8;
+	m_flFieldOfView		= 0.5;// indicates the width of this NPC's forward view cone ( as a dotproduct result )
+	m_NPCState			= NPC_STATE_NONE;
+	SetImpactEnergyScale( 0.0f ); // no physics damage on the gman
+	
+	CapabilitiesAdd( bits_CAP_MOVE_GROUND | bits_CAP_OPEN_DOORS | bits_CAP_ANIMATEDFACE | bits_CAP_TURN_HEAD );
+	CapabilitiesAdd( bits_CAP_FRIENDLY_DMG_IMMUNE );
+	AddEFlags( EFL_NO_DISSOLVE | EFL_NO_MEGAPHYSCANNON_RAGDOLL );
+
+	NPCInit();
+}
+
+//-----------------------------------------------------------------------------
+// Precache - precaches all resources this NPC needs
+//-----------------------------------------------------------------------------
+void CNPC_GMan::Precache()
+{
+	PrecacheModel( "models/gman.mdl" );
+	
+	BaseClass::Precache();
+}	
+
+//-----------------------------------------------------------------------------
+// The G-Man isn't scared of anything.
+//-----------------------------------------------------------------------------
+Disposition_t CNPC_GMan::IRelationType(CBaseEntity *pTarget)
+{
+	return D_NU;
+}
+
+
+//=========================================================
+// Purpose:
+//=========================================================
+bool CNPC_GMan::CreateBehaviors()
+{
+	AddBehavior( &m_FollowBehavior );
+	
+	return BaseClass::CreateBehaviors();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+int CNPC_GMan::SelectSchedule( void )
+{
+	if ( !BehaviorSelectSchedule() )
+	{
+	}
+
+	return BaseClass::SelectSchedule();
+}
+
+//-----------------------------------------------------------------------------
+// AI Schedules Specific to this NPC
+//-----------------------------------------------------------------------------