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game/server/episodic/npc_puppet.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: NPC Puppet
+//
+//=============================================================================
+
+#include "cbase.h"
+#include "ai_basenpc.h"
+
+// Must be the last file included
+#include "memdbgon.h"
+
+class CNPC_Puppet : public CAI_BaseNPC
+{
+	DECLARE_CLASS( CNPC_Puppet, CAI_BaseNPC );
+public:
+
+	virtual void Spawn( void );
+	virtual void Precache( void );
+
+	void	InputSetAnimationTarget( inputdata_t &inputdata );
+
+private:
+	
+	string_t	m_sAnimTargetname;
+	string_t	m_sAnimAttachmentName;
+
+	CNetworkVar( EHANDLE, m_hAnimationTarget );	// NPC that will drive what animation we're playing
+	CNetworkVar( int, m_nTargetAttachment );	// Attachment point to match to on the target
+
+	DECLARE_DATADESC();
+	DECLARE_SERVERCLASS();
+};
+
+LINK_ENTITY_TO_CLASS( npc_puppet, CNPC_Puppet );
+
+BEGIN_DATADESC( CNPC_Puppet )
+	DEFINE_KEYFIELD( m_sAnimTargetname, FIELD_STRING,	"animationtarget" ),
+	DEFINE_KEYFIELD( m_sAnimAttachmentName, FIELD_STRING,	"attachmentname" ),
+
+	DEFINE_FIELD( m_nTargetAttachment, FIELD_INTEGER ),
+	DEFINE_FIELD( m_hAnimationTarget, FIELD_EHANDLE ),
+	DEFINE_INPUTFUNC( FIELD_STRING, "SetAnimationTarget", InputSetAnimationTarget ),
+END_DATADESC()
+
+IMPLEMENT_SERVERCLASS_ST( CNPC_Puppet, DT_NPC_Puppet )
+	SendPropEHandle( SENDINFO( m_hAnimationTarget ) ),
+	SendPropInt( SENDINFO( m_nTargetAttachment) ),
+END_SEND_TABLE()
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CNPC_Puppet::Precache( void )
+{
+	BaseClass::Precache();
+	PrecacheModel( STRING( GetModelName() ) );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CNPC_Puppet::Spawn( void )
+{
+	BaseClass::Spawn();
+
+	Precache();
+
+	SetModel( STRING( GetModelName() ) );
+	
+	NPCInit();
+
+	SetHealth( 100 );
+
+	// Find our animation target
+	CBaseEntity *pTarget = gEntList.FindEntityByName( NULL, m_sAnimTargetname );
+	m_hAnimationTarget = pTarget;
+	if ( pTarget )
+	{
+		CBaseAnimating *pAnimating = pTarget->GetBaseAnimating();
+		if ( pAnimating )
+		{
+			m_nTargetAttachment = pAnimating->LookupAttachment( STRING( m_sAnimAttachmentName ) );
+		}
+	}
+
+	// Always be scripted
+	SetInAScript( true );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : &inputdata - 
+//-----------------------------------------------------------------------------
+void CNPC_Puppet::InputSetAnimationTarget( inputdata_t &inputdata )
+{
+	// Take the new name
+	m_sAnimTargetname = MAKE_STRING( inputdata.value.String() );
+
+	// Find our animation target
+	CBaseEntity *pTarget = gEntList.FindEntityByName( NULL, m_sAnimTargetname );
+	if ( pTarget == NULL )
+	{
+		Warning("Failed to find animation target %s for npc_puppet (%s)\n", STRING( m_sAnimTargetname ), STRING( GetEntityName() ) );
+		return;
+	}
+	
+	m_hAnimationTarget = pTarget;
+	
+	CBaseAnimating *pAnimating = pTarget->GetBaseAnimating();
+	if ( pAnimating )
+	{
+		// Cache off our target attachment
+		m_nTargetAttachment = pAnimating->LookupAttachment( STRING( m_sAnimAttachmentName ) );
+	}
+
+	// Stuff us at the owner's core for visibility reasons
+	SetParent( pTarget );
+	SetLocalOrigin( vec3_origin );
+	SetLocalAngles( vec3_angle );
+}