From 39ed87570bdb2f86969d4be821c94b722dc71179 Mon Sep 17 00:00:00 2001
From: Joe Ludwig <joe@valvesoftware.com>
Date: Wed, 26 Jun 2013 15:22:04 -0700
Subject: First version of the SOurce SDK 2013

---
 mp/src/game/client/fx_envelope.cpp | 82 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 mp/src/game/client/fx_envelope.cpp

(limited to 'mp/src/game/client/fx_envelope.cpp')

diff --git a/mp/src/game/client/fx_envelope.cpp b/mp/src/game/client/fx_envelope.cpp
new file mode 100644
index 00000000..88910107
--- /dev/null
+++ b/mp/src/game/client/fx_envelope.cpp
@@ -0,0 +1,82 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include "fx_envelope.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+//-----------------------------------------------------------------------------
+// Constructor
+//-----------------------------------------------------------------------------
+C_EnvelopeFX::C_EnvelopeFX( void )
+{
+	m_active = false;
+}
+
+C_EnvelopeFX::~C_EnvelopeFX()
+{
+	RemoveRenderable();
+}
+
+const matrix3x4_t & C_EnvelopeFX::RenderableToWorldTransform()
+{
+	static matrix3x4_t mat;
+	SetIdentityMatrix( mat );
+	PositionMatrix( GetRenderOrigin(), mat );
+	return mat;
+}
+
+void C_EnvelopeFX::RemoveRenderable()
+{
+	ClientLeafSystem()->RemoveRenderable( m_hRenderHandle );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Updates the envelope being in the client's known entity list
+//-----------------------------------------------------------------------------
+void C_EnvelopeFX::Update( void )
+{
+	if ( m_active )
+	{
+		if ( m_hRenderHandle == INVALID_CLIENT_RENDER_HANDLE )
+		{
+			ClientLeafSystem()->AddRenderable( this, RENDER_GROUP_TRANSLUCENT_ENTITY );
+		}
+		else
+		{
+			ClientLeafSystem()->RenderableChanged( m_hRenderHandle );
+		}
+	}
+	else
+	{
+		RemoveRenderable();
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Starts up the effect
+// Input  : entityIndex - entity to be attached to
+//			attachment - attachment point (if any) to be attached to
+//-----------------------------------------------------------------------------
+void C_EnvelopeFX::EffectInit( int entityIndex, int attachment )
+{
+	m_entityIndex = entityIndex;
+	m_attachment = attachment;
+
+	m_active = 1;
+	m_t = 0;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Shuts down the effect
+//-----------------------------------------------------------------------------
+void C_EnvelopeFX::EffectShutdown( void ) 
+{
+	m_active = 0;
+	m_t = 0;
+}
-- 
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