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game/server/tf2/tf_obj_empgenerator.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+#include "cbase.h"
+#include "tf_player.h"
+#include "tf_team.h"
+#include "tf_gamerules.h"
+#include "tf_obj.h"
+#include "tf_obj_empgenerator.h"
+#include "ndebugoverlay.h"
+
+BEGIN_DATADESC( CObjectEMPGenerator )
+
+	DEFINE_THINKFUNC( EMPThink ),
+
+END_DATADESC()
+
+IMPLEMENT_SERVERCLASS_ST(CObjectEMPGenerator, DT_ObjectEMPGenerator)
+END_SEND_TABLE();
+
+LINK_ENTITY_TO_CLASS(obj_empgenerator, CObjectEMPGenerator);
+PRECACHE_REGISTER(obj_empgenerator);
+
+ConVar	obj_empgenerator_health( "obj_empgenerator_health","100", FCVAR_NONE, "EMP Generator health" );
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CObjectEMPGenerator::CObjectEMPGenerator()
+{
+	UseClientSideAnimation();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CObjectEMPGenerator::Spawn()
+{
+	BaseClass::Spawn();
+
+	Precache();
+	SetModel( EMPGENERATOR_MODEL );
+	SetSolid( SOLID_BBOX );
+	SetCollisionGroup( TFCOLLISION_GROUP_COMBATOBJECT );
+
+	UTIL_SetSize(this, EMPGENERATOR_MINS, EMPGENERATOR_MAXS);
+	m_takedamage = DAMAGE_YES;
+	m_iHealth = obj_empgenerator_health.GetInt();
+
+	SetThink( EMPThink );
+	SetNextThink( gpGlobals->curtime + EMPGENERATOR_RATE );
+	m_flExpiresAt = gpGlobals->curtime + EMPGENERATOR_LIFETIME;
+
+	SetType( OBJ_EMPGENERATOR );
+	m_fObjectFlags |= OF_SUPPRESS_NOTIFY_UNDER_ATTACK | OF_SUPPRESS_TECH_ANALYZER | 
+		OF_DONT_AUTO_REPAIR | OF_DONT_PREVENT_BUILD_NEAR_OBJ | OF_DOESNT_NEED_POWER;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CObjectEMPGenerator::Precache()
+{
+	PrecacheModel( EMPGENERATOR_MODEL );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Look for enemies to EMP
+//-----------------------------------------------------------------------------
+void CObjectEMPGenerator::EMPThink( void )
+{
+	if ( !GetTeam() )
+		return;
+
+	// Time to die?
+	if ( gpGlobals->curtime > m_flExpiresAt )
+	{
+		UTIL_Remove( this );
+		return;
+	}
+
+	// Look for nearby enemies to EMP
+	CBaseEntity *pEntity = NULL;
+	for ( CEntitySphereQuery sphere( GetAbsOrigin(), EMPGENERATOR_RADIUS ); ( pEntity = sphere.GetCurrentEntity() ) != NULL; sphere.NextEntity() )
+	{
+		if ( InSameTeam( pEntity ) )
+			continue;
+		if ( !pEntity->CanBePoweredUp() )
+			continue;
+
+		pEntity->AttemptToPowerup( POWERUP_EMP, EMPGENERATOR_EMP_TIME );
+	}
+}