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game/shared/tf2/grenade_base_empable.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+#include "cbase.h"
+#include "basegrenade_shared.h"
+#include "engine/IEngineSound.h"
+#include "grenade_base_empable.h"
+#include "IEffects.h"
+
+#if !defined( CLIENT_DLL )
+// Global Savedata 
+BEGIN_DATADESC( CBaseEMPableGrenade )
+	// Function Pointers
+	DEFINE_THINKFUNC( FizzleThink ),
+END_DATADESC()
+#endif
+
+IMPLEMENT_NETWORKCLASS_ALIASED( BaseEMPableGrenade, DT_BaseEMPableGrenade )
+
+BEGIN_NETWORK_TABLE( CBaseEMPableGrenade, DT_BaseEMPableGrenade )
+#if !defined( CLIENT_DLL )
+	SendPropFloat( SENDINFO( m_flFizzleDuration ), 10, SPROP_ROUNDDOWN, 0.0, 256.0f ),
+#else
+	RecvPropFloat( RECVINFO( m_flFizzleDuration ) ),
+#endif
+END_NETWORK_TABLE()
+
+LINK_ENTITY_TO_CLASS( base_empable_grenade, CBaseEMPableGrenade );
+
+BEGIN_PREDICTION_DATA( CBaseEMPableGrenade  )
+
+	DEFINE_PRED_FIELD( m_flFizzleDuration, FIELD_FLOAT, FTYPEDESC_INSENDTABLE ),
+
+END_PREDICTION_DATA()
+
+#define GRENADE_FIZZLE_DURATION		0.5
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CBaseEMPableGrenade::CBaseEMPableGrenade( void )
+{
+	m_flFizzleDuration = 0;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Apply EMP damage to class
+//-----------------------------------------------------------------------------
+bool CBaseEMPableGrenade::TakeEMPDamage( float duration )
+{
+	// If we're fizzling already, ignore extra EMP damage
+	if ( m_flFizzleDuration )
+		return true;
+
+	// Fizzle away in a couple of seconds
+	m_flFizzleDuration = gpGlobals->curtime + MIN( duration, GRENADE_FIZZLE_DURATION );
+	SetThink( FizzleThink );
+	SetNextThink( gpGlobals->curtime + 0.1f );
+	return true;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Fizzle out and remove self from the world.
+//-----------------------------------------------------------------------------
+void CBaseEMPableGrenade::FizzleThink( void )
+{
+	float flDeltaTime = m_flFizzleDuration - gpGlobals->curtime;
+
+	// Keep fizzling until it's time to go
+	if ( flDeltaTime > 0.0f )
+	{
+		// Emit a fizzle sound
+		EmitSound( "BaseEMPableGrenade.Fizzle" );
+
+		// Smoke & Spark
+		g_pEffects->Sparks( GetAbsOrigin() );
+		UTIL_Smoke( GetAbsOrigin(), random->RandomInt( 4, 7), 10 );
+	}
+	else
+	{
+		Remove( );
+		return;
+	}
+
+	SetNextThink( gpGlobals->curtime + 0.1f );
+}