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game/server/tf/entity_training_annotations.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: CTrainingAnnotation Entity.  This entity is used to place
+//          annotations on maps.
+//=============================================================================//
+
+#include "cbase.h"
+#include "entity_training_annotations.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+//-----------------------------------------------------------------------------
+// Purpose: Show an anotation in 3D space in the hud to point out things of
+//			interest to the player.
+//-----------------------------------------------------------------------------
+BEGIN_DATADESC( CTrainingAnnotation )
+	DEFINE_KEYFIELD( m_displayText, FIELD_STRING, "display_text" ),
+	DEFINE_KEYFIELD( m_flLifetime,  FIELD_FLOAT, "lifetime" ),
+	DEFINE_KEYFIELD( m_flVerticalOffset,  FIELD_FLOAT, "offset" ),
+	DEFINE_INPUTFUNC( FIELD_VOID, "Show", InputShow ),
+	DEFINE_INPUTFUNC( FIELD_VOID, "Hide", InputHide ),
+END_DATADESC()
+
+LINK_ENTITY_TO_CLASS( training_annotation, CTrainingAnnotation );
+
+CTrainingAnnotation::CTrainingAnnotation()
+	: m_flLifetime(1.0f),
+	  m_flVerticalOffset(0.0f)
+{
+
+}
+
+void CTrainingAnnotation::Show()
+{
+	IGameEvent *pEvent = gameeventmanager->CreateEvent( "show_annotation" );
+	if ( pEvent )
+	{
+		Vector location = GetAbsOrigin();
+
+		pEvent->SetString( "text", STRING( m_displayText ) );
+		pEvent->SetInt( "id", (long)this );
+		pEvent->SetFloat( "worldPosX", location.x );
+		pEvent->SetFloat( "worldPosY", location.y );
+		pEvent->SetFloat( "worldPosZ", location.z + m_flVerticalOffset );
+		pEvent->SetFloat( "lifetime", m_flLifetime );
+		pEvent->SetInt( "follow_entindex", 0 );
+
+		gameeventmanager->FireEvent( pEvent );
+	}
+}
+
+void CTrainingAnnotation::Hide()
+{
+	IGameEvent *pEvent = gameeventmanager->CreateEvent( "hide_annotation" );
+	if ( pEvent )
+	{
+		pEvent->SetInt( "id", (long)this );
+		gameeventmanager->FireEventClientSide( pEvent );
+	}
+}
+
+