1 files changed, 142 insertions, 0 deletions
diff --git a/game/server/EnvHudHint.cpp b/game/server/EnvHudHint.cpp
new file mode 100644
index 0000000..858fc7b
--- /dev/null
+++ b/game/server/EnvHudHint.cpp
@@ -0,0 +1,142 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Implements visual effects entities: sprites, beams, bubbles, etc.
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#include "cbase.h"
+#include "engine/IEngineSound.h"
+#include "baseentity.h"
+#include "entityoutput.h"
+#include "recipientfilter.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+#define SF_HUDHINT_ALLPLAYERS			0x0001
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+class CEnvHudHint : public CPointEntity
+{
+public:
+	DECLARE_CLASS( CEnvHudHint, CPointEntity );
+
+	void	Spawn( void );
+	void	Precache( void );
+
+private:
+	inline	bool	AllPlayers( void ) { return (m_spawnflags & SF_HUDHINT_ALLPLAYERS) != 0; }
+
+	void InputShowHudHint( inputdata_t &inputdata );
+	void InputHideHudHint( inputdata_t &inputdata );
+	string_t m_iszMessage;
+	DECLARE_DATADESC();
+};
+
+LINK_ENTITY_TO_CLASS( env_hudhint, CEnvHudHint );
+
+BEGIN_DATADESC( CEnvHudHint )
+
+	DEFINE_KEYFIELD( m_iszMessage, FIELD_STRING, "message" ),
+	DEFINE_INPUTFUNC( FIELD_VOID, "ShowHudHint", InputShowHudHint ),
+	DEFINE_INPUTFUNC( FIELD_VOID, "HideHudHint", InputHideHudHint ),
+
+END_DATADESC()
+
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CEnvHudHint::Spawn( void )
+{
+	Precache();
+
+	SetSolid( SOLID_NONE );
+	SetMoveType( MOVETYPE_NONE );
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CEnvHudHint::Precache( void )
+{
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Input handler for showing the message and/or playing the sound.
+//-----------------------------------------------------------------------------
+void CEnvHudHint::InputShowHudHint( inputdata_t &inputdata )
+{
+	if ( AllPlayers() )
+	{
+		CReliableBroadcastRecipientFilter user;
+		UserMessageBegin( user, "KeyHintText" );
+		WRITE_BYTE( 1 );	// one message
+		WRITE_STRING( STRING(m_iszMessage) );
+		MessageEnd();
+	}
+	else
+	{
+		CBaseEntity *pPlayer = NULL;
+		if ( inputdata.pActivator && inputdata.pActivator->IsPlayer() )
+		{
+			pPlayer = inputdata.pActivator;
+		}
+		else
+		{
+			pPlayer = UTIL_GetLocalPlayer();
+		}
+
+		if ( !pPlayer || !pPlayer->IsNetClient() )
+			return;
+
+		CSingleUserRecipientFilter user( (CBasePlayer *)pPlayer );
+		user.MakeReliable();
+		UserMessageBegin( user, "KeyHintText" );
+			WRITE_BYTE( 1 );	// one message
+			WRITE_STRING( STRING(m_iszMessage) );
+		MessageEnd();
+	}
+}
+
+//-----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+void CEnvHudHint::InputHideHudHint( inputdata_t &inputdata )
+{
+	if ( AllPlayers() )
+	{
+		CReliableBroadcastRecipientFilter user;
+		UserMessageBegin( user, "KeyHintText" );
+		WRITE_BYTE( 1 );	// one message
+		WRITE_STRING( STRING(NULL_STRING) );
+		MessageEnd();
+	}
+	else
+	{
+		CBaseEntity *pPlayer = NULL;
+
+		if ( inputdata.pActivator && inputdata.pActivator->IsPlayer() )
+		{
+			pPlayer = inputdata.pActivator;
+		}
+		else
+		{
+			pPlayer = UTIL_GetLocalPlayer();
+		}
+
+		if ( !pPlayer || !pPlayer->IsNetClient() )
+			return;
+
+		CSingleUserRecipientFilter user( (CBasePlayer *)pPlayer );
+		user.MakeReliable();
+		UserMessageBegin( user, "KeyHintText" );
+		WRITE_BYTE( 1 );	// one message
+		WRITE_STRING( STRING(NULL_STRING) );
+		MessageEnd();
+	}
+}