Improve spectator.

dlls/client.cpp

@@ -555,12 +555,13 @@ void ClientCommand( edict_t *pEntity )
 		GetClassPtr( (CBasePlayer *)pev )->SelectLastItem();
 	}
 	else if( FStrEq( pcmd, "spectate" ) ) // clients wants to become a spectator
+	{
+		CBasePlayer *pPlayer = GetClassPtr( (CBasePlayer *)pev );
+		if( !pPlayer->IsObserver() )
 		{
 			// always allow proxies to become a spectator
 			if( ( pev->flags & FL_PROXY ) || allow_spectators.value )
 			{
-			CBasePlayer *pPlayer = GetClassPtr( (CBasePlayer *)pev );
-
 				edict_t *pentSpawnSpot = g_pGameRules->GetPlayerSpawnSpot( pPlayer );
 				pPlayer->StartObserver( pev->origin, VARS( pentSpawnSpot )->angles );
 
@@ -571,6 +572,15 @@ void ClientCommand( edict_t *pEntity )
 			else
 				ClientPrint( pev, HUD_PRINTCONSOLE, "Spectator mode is disabled.\n" );
 		}
+		else
+		{
+			pPlayer->StopObserver();
+
+			// notify other clients of player left spectators
+			UTIL_ClientPrintAll( HUD_PRINTNOTIFY, UTIL_VarArgs( "%s has left spectator mode\n",
+					( pev->netname && ( STRING( pev->netname ) )[0] != 0 ) ? STRING( pev->netname ) : "unconnected" ) );
+		}
+	}
 	else if( FStrEq( pcmd, "specmode" ) ) // new spectator mode
 	{
 		CBasePlayer *pPlayer = GetClassPtr( (CBasePlayer *)pev );

dlls/observer.cpp

@@ -24,6 +24,10 @@
 
 extern int gmsgCurWeapon;
 extern int gmsgSetFOV;
+extern int gmsgTeamInfo;
+         
+extern int g_teamplay;
+
 // Find the next client in the game for this player to spectate
 void CBasePlayer::Observer_FindNextPlayer( bool bReverse )
 {
@@ -266,3 +270,22 @@ void CBasePlayer::Observer_SetMode( int iMode )
 
 	m_iObserverLastMode = iMode;
 }
+
+void CBasePlayer::StopObserver()
+{
+	// Turn off spectator
+	pev->iuser1 = pev->iuser2 = 0;
+	m_iHideHUD = 0;
+
+	GetClassPtr( (CBasePlayer *)pev )->Spawn();
+	pev->nextthink = -1;
+
+	// Update Team Status
+	MESSAGE_BEGIN( MSG_ALL, gmsgTeamInfo );
+		WRITE_BYTE( ENTINDEX( edict() ) ); // index number of primary entity
+	if( g_teamplay )
+		WRITE_STRING( TeamID() );
+	else
+		WRITE_STRING( "Players" );
+	MESSAGE_END();
+}

dlls/player.h

@@ -255,6 +255,7 @@ public:
 
 	void StartDeathCam( void );
 	void StartObserver( Vector vecPosition, Vector vecViewAngle );
+	void StopObserver();
 
 	void AddPoints( int score, BOOL bAllowNegativeScore );
 	void AddPointsToTeam( int score, BOOL bAllowNegativeScore );