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/server/message_entity.cpp | 191 ++++++++++++++++++++++++++++++++++
 1 file changed, 191 insertions(+)
 create mode 100644 mp/src/game/server/message_entity.cpp

(limited to 'mp/src/game/server/message_entity.cpp')

diff --git a/mp/src/game/server/message_entity.cpp b/mp/src/game/server/message_entity.cpp
new file mode 100644
index 00000000..be0428dc
--- /dev/null
+++ b/mp/src/game/server/message_entity.cpp
@@ -0,0 +1,191 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#include "cbase.h"
+#include "basecombatweapon.h"
+#include "explode.h"
+#include "eventqueue.h"
+#include "gamerules.h"
+#include "ammodef.h"
+#include "in_buttons.h"
+#include "soundent.h"
+#include "ndebugoverlay.h"
+#include "vstdlib/random.h"
+#include "engine/IEngineSound.h"
+#include "game.h"
+
+#include "player.h"
+#include "entitylist.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+// Spawnflags
+#define SF_MESSAGE_DISABLED		1
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+class CMessageEntity : public CPointEntity
+{
+	DECLARE_CLASS( CMessageEntity, CPointEntity );
+
+public:
+	void	Spawn( void );
+	void	Activate( void );
+	void	Think( void );
+	void	DrawOverlays(void);
+
+	virtual void UpdateOnRemove();
+
+	void	InputEnable( inputdata_t &inputdata );
+	void	InputDisable( inputdata_t &inputdata );
+
+	DECLARE_DATADESC();
+
+protected:
+	int				m_radius;
+	string_t		m_messageText;
+	bool			m_drawText;
+	bool			m_bDeveloperOnly;
+	bool			m_bEnabled;
+};
+
+LINK_ENTITY_TO_CLASS( point_message, CMessageEntity );
+
+BEGIN_DATADESC( CMessageEntity )
+
+	DEFINE_KEYFIELD( m_radius, FIELD_INTEGER, "radius" ),
+	DEFINE_KEYFIELD( m_messageText, FIELD_STRING, "message" ),
+	DEFINE_KEYFIELD( m_bDeveloperOnly, FIELD_BOOLEAN, "developeronly" ),
+	DEFINE_FIELD( m_drawText, FIELD_BOOLEAN ),
+	DEFINE_FIELD( m_bEnabled, FIELD_BOOLEAN ),
+
+	// Inputs
+	DEFINE_INPUTFUNC( FIELD_VOID,	 "Enable", InputEnable ),
+	DEFINE_INPUTFUNC( FIELD_VOID,	 "Disable", InputDisable ),
+
+END_DATADESC()
+
+static CUtlVector< CHandle< CMessageEntity > >	g_MessageEntities;
+
+//-----------------------------------------
+// Spawn
+//-----------------------------------------
+void CMessageEntity::Spawn( void )
+{
+	SetNextThink( gpGlobals->curtime + 0.1f );
+	m_drawText = false;
+	m_bDeveloperOnly = false;
+	m_bEnabled = !HasSpawnFlags( SF_MESSAGE_DISABLED );
+	//m_debugOverlays |= OVERLAY_TEXT_BIT;		// make sure we always show the text
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CMessageEntity::Activate( void )
+{
+	BaseClass::Activate();
+
+	CHandle< CMessageEntity > h;
+	h = this;
+	g_MessageEntities.AddToTail( h );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CMessageEntity::UpdateOnRemove()
+{
+	BaseClass::UpdateOnRemove();
+
+	CHandle< CMessageEntity > h;
+	h = this;
+	g_MessageEntities.FindAndRemove( h );
+
+	BaseClass::UpdateOnRemove();
+}
+
+//-----------------------------------------
+// Think
+//-----------------------------------------
+void CMessageEntity::Think( void )
+{
+	SetNextThink( gpGlobals->curtime + 0.1f );
+
+	// check for player distance
+	CBasePlayer *pPlayer = UTIL_GetLocalPlayer();
+
+	if ( !pPlayer || ( pPlayer->GetFlags() & FL_NOTARGET ) )
+		return;
+
+	Vector worldTargetPosition = pPlayer->EyePosition();
+
+	// bail if player is too far away
+	if ( (worldTargetPosition - GetAbsOrigin()).Length() > m_radius )
+	{
+		m_drawText = false;
+		return;
+	}
+
+	// turn on text
+	m_drawText = true;
+}
+	
+//-------------------------------------------
+//-------------------------------------------
+void CMessageEntity::DrawOverlays(void) 
+{
+	if ( !m_drawText )
+		return;
+
+	if ( m_bDeveloperOnly && !g_pDeveloper->GetInt() )
+		return;
+
+	if ( !m_bEnabled )
+		return;
+
+	// display text if they are within range
+	char tempstr[512];
+	Q_snprintf( tempstr, sizeof(tempstr), "%s", STRING(m_messageText) );
+	EntityText( 0, tempstr, 0);
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CMessageEntity::InputEnable( inputdata_t &inputdata )
+{
+	m_bEnabled = true;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CMessageEntity::InputDisable( inputdata_t &inputdata )
+{
+	m_bEnabled = false;
+}
+
+// This is a hack to make point_message stuff appear in developer 0 release builds
+//  for now
+void DrawMessageEntities()
+{
+	int c = g_MessageEntities.Count();
+	for ( int i = c - 1; i >= 0; i-- )
+	{
+		CMessageEntity *me = g_MessageEntities[ i ];
+		if ( !me )
+		{
+			g_MessageEntities.Remove( i );
+			continue;
+		}
+
+		me->DrawOverlays();
+	}
+}
-- 
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