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game/server/tf2/trigger_fall.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Used at the bottom of maps where objects should fall away to infinity
+//
+// $NoKeywords: $
+//=============================================================================//
+#include "cbase.h"
+#include "triggers.h"
+
+//-----------------------------------------------------------------------------
+// Purpose: Used at the bottom of maps where objects should fall away to infinity
+//-----------------------------------------------------------------------------
+class CTriggerFall : public CBaseTrigger
+{
+	DECLARE_CLASS( CTriggerFall, CBaseTrigger );
+public:
+	void Spawn( void );
+	void FallTouch( CBaseEntity *pOther );
+	
+	DECLARE_DATADESC();
+	
+	// Outputs
+	COutputEvent m_OnFallingObject;
+};
+
+BEGIN_DATADESC( CTriggerFall )
+
+	// Function Pointers
+	DEFINE_FUNCTION( FallTouch ),
+
+	// Outputs
+	DEFINE_OUTPUT( m_OnFallingObject, "OnFallingObject" ),
+
+END_DATADESC()
+
+
+LINK_ENTITY_TO_CLASS( trigger_fall, CTriggerFall );
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Called when spawning, after keyvalues have been handled.
+//-----------------------------------------------------------------------------
+void CTriggerFall::Spawn( void )
+{
+	BaseClass::Spawn();
+	InitTrigger();
+	SetTouch( FallTouch );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Make the object fall away
+// Input  : pOther - The entity that is touching us.
+//-----------------------------------------------------------------------------
+void CTriggerFall::FallTouch( CBaseEntity *pOther )
+{
+	// If it's a player, just kill him for now
+	if ( pOther->IsPlayer() )
+	{
+		if ( pOther->IsAlive() == false )
+			return;
+
+		pOther->TakeDamage( CTakeDamageInfo( this, this, 200, DMG_FALL ) );
+	}
+	else 
+	{
+		// Just remove the entity
+		UTIL_Remove( pOther );
+	}
+
+	// Fire our output
+	m_OnFallingObject.FireOutput( pOther, this );
+}