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game/server/particle_smokegrenade.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include "particle_smokegrenade.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+IMPLEMENT_SERVERCLASS_ST(ParticleSmokeGrenade, DT_ParticleSmokeGrenade)
+	SendPropTime(SENDINFO(m_flSpawnTime) ),
+	SendPropFloat(SENDINFO(m_FadeStartTime), 0, SPROP_NOSCALE),
+	SendPropFloat(SENDINFO(m_FadeEndTime), 0, SPROP_NOSCALE),
+	SendPropInt(SENDINFO(m_CurrentStage), 1, SPROP_UNSIGNED),
+END_SEND_TABLE()
+
+LINK_ENTITY_TO_CLASS( env_particlesmokegrenade, ParticleSmokeGrenade );
+
+BEGIN_DATADESC( ParticleSmokeGrenade )
+
+	DEFINE_FIELD( m_CurrentStage, FIELD_CHARACTER ),
+	DEFINE_FIELD( m_FadeStartTime, FIELD_TIME ),
+	DEFINE_FIELD( m_FadeEndTime, FIELD_TIME ),
+	DEFINE_FIELD( m_flSpawnTime, FIELD_TIME ),
+
+END_DATADESC()
+
+
+ParticleSmokeGrenade::ParticleSmokeGrenade()
+{
+	m_CurrentStage = 0;
+	m_FadeStartTime = 17;
+	m_FadeEndTime = 22;
+
+	m_flSpawnTime = gpGlobals->curtime;
+}
+
+
+// Smoke grenade particles should always transmitted to clients.  If not, a client who
+// enters the PVS late will see the smoke start billowing from then, allowing better vision.
+int ParticleSmokeGrenade::UpdateTransmitState( void )
+{
+	if ( IsEffectActive( EF_NODRAW ) )
+		return SetTransmitState( FL_EDICT_DONTSEND );
+
+	return SetTransmitState( FL_EDICT_ALWAYS );
+}
+
+
+void ParticleSmokeGrenade::FillVolume()
+{
+	m_CurrentStage = 1;
+	CollisionProp()->SetCollisionBounds( Vector( -50, -50, -50 ), Vector( 50, 50, 50 ) );
+}
+
+
+void ParticleSmokeGrenade::SetFadeTime(float startTime, float endTime)
+{
+	m_FadeStartTime = startTime;
+	m_FadeEndTime = endTime;
+}
+
+// Fade start and end are relative to current time
+void ParticleSmokeGrenade::SetRelativeFadeTime(float startTime, float endTime)
+{
+	float flCurrentTime = gpGlobals->curtime - m_flSpawnTime;
+
+	m_FadeStartTime = flCurrentTime + startTime;
+	m_FadeEndTime = flCurrentTime + endTime;
+}