1.1 --- a/extensions/sdktools/vsound.cpp	Fri Jan 17 23:21:16 2014 -0500
     1.2 +++ b/extensions/sdktools/vsound.cpp	Fri Jan 17 23:25:23 2014 -0500
     1.3 @@ -338,6 +338,28 @@
     1.4  			}
     1.5  		case Pl_Changed:
     1.6  			{
     1.7 +				/* Client validation */
     1.8 +				for (int i = 0; i < size; i++)
     1.9 +				{
    1.10 +					int client = players[i];
    1.11 +					IGamePlayer *pPlayer = playerhelpers->GetGamePlayer(client);
    1.12 +
    1.13 +					if (!pPlayer)
    1.14 +					{
    1.15 +						pFunc->GetParentContext()->ThrowNativeError("Client index %d is invalid", client);
    1.16 +					} else if (!pPlayer->IsInGame()) {
    1.17 +						pFunc->GetParentContext()->ThrowNativeError("Client %d is not connected", client);
    1.18 +					} else {
    1.19 +						continue;
    1.20 +					}
    1.21 +
    1.22 +#if SOURCE_ENGINE >= SE_PORTAL2
    1.23 +					RETURN_META_VALUE(MRES_IGNORED, -1 );
    1.24 +#else
    1.25 +					return;
    1.26 +#endif
    1.27 +				}
    1.28 +
    1.29  				CellRecipientFilter crf;
    1.30  				crf.Initialize(players, size);
    1.31  #if SOURCE_ENGINE >= SE_PORTAL2
    1.32 @@ -431,6 +453,28 @@
    1.33  			}
    1.34  		case Pl_Changed:
    1.35  			{
    1.36 +				/* Client validation */
    1.37 +				for (int i = 0; i < size; i++)
    1.38 +				{
    1.39 +					int client = players[i];
    1.40 +					IGamePlayer *pPlayer = playerhelpers->GetGamePlayer(client);
    1.41 +
    1.42 +					if (!pPlayer)
    1.43 +					{
    1.44 +						pFunc->GetParentContext()->ThrowNativeError("Client index %d is invalid", client);
    1.45 +					} else if (!pPlayer->IsInGame()) {
    1.46 +						pFunc->GetParentContext()->ThrowNativeError("Client %d is not connected", client);
    1.47 +					} else {
    1.48 +						continue;
    1.49 +					}
    1.50 +
    1.51 +#if SOURCE_ENGINE >= SE_PORTAL2
    1.52 +					RETURN_META_VALUE(MRES_IGNORED, -1 );
    1.53 +#else
    1.54 +					return;
    1.55 +#endif
    1.56 +				}
    1.57 +
    1.58  				CellRecipientFilter crf;
    1.59  				crf.Initialize(players, size);
    1.60  #if SOURCE_ENGINE >= SE_PORTAL2