public static bool PackagePlayerStats_ProcessPackage_Prefix(NetPackagePlayerStats __instance, World _world)
{
if (__instance.Sender != null)
{
ClientInfo _cInfo = __instance.Sender;
EntityAlive _entityAlive = _world.GetEntity(_entityId(__instance)) as EntityAlive;
if (_entityAlive != null)
{
if (_cInfo.entityId != _entityAlive.entityId)
{
Log.Out(string.Format("[SERVERTOOLS] Detected erroneous data NetPackagePlayerStats uploaded by steam id {0}, owner id {1}, entity id {2} name {3}. Attempted modifying their entity id to {4}", _cInfo.playerId, _cInfo.ownerId, _cInfo.entityId, _cInfo.playerName, _entityId(__instance)));
Packages.Ban(_cInfo.ownerId, _cInfo.playerId, _cInfo.playerName);
Packages.Writer(_cInfo.ownerId, _cInfo.playerId, _cInfo.playerName, string.Format("Attempted modifying their entity id to {0}", _entityId(__instance)));
return(false);
}
}
else
{
Log.Out(string.Format("[SERVERTOOLS] Detected erroneous data NetPackagePlayerStats uploaded by steam id {0}, owner id {1}, entity id {2} name {3}. Attempted modifying their entity id to a non existent entity with id {4}", _cInfo.playerId, _cInfo.ownerId, _cInfo.entityId, _cInfo.playerName, _entityName(__instance)));
Packages.Ban(_cInfo.ownerId, _cInfo.playerId, _cInfo.playerName);
Packages.Writer(_cInfo.ownerId, _cInfo.playerId, _cInfo.playerName, string.Format("Attempted modifying their entity id to a non existent entity with id {0}", _entityId(__instance)));
return(false);
}
}
return(true);
}
public static bool IsValid(NetPackagePlayerStats __instance)
{
try
{
if (__instance.Sender.entityId != entityId(__instance))
{
ClientInfo cInfo = PersistentOperations.GetClientInfoFromEntityId(entityId(__instance));
if (cInfo != null)
{
GameUtils.KickPlayerForClientInfo(__instance.Sender, new GameUtils.KickPlayerData(GameUtils.EKickReason.Banned, 0, DateTime.Now.AddDays(1095), "Auto detection has banned you for packet manipulation"));
using (StreamWriter sw = new StreamWriter(Filepath, true, Encoding.UTF8))
{
sw.WriteLine(string.Format("Detected invalid player stat update by '{0}' '{1}' named '{2}' against '{3}' '{4}' named '{5}'", __instance.Sender.PlatformId.CombinedString, __instance.Sender.CrossplatformId.CombinedString, __instance.Sender.playerName, cInfo.PlatformId.CombinedString, cInfo.CrossplatformId.CombinedString, cInfo.playerName));
sw.WriteLine();
sw.Flush();
sw.Close();
}
Log.Out(string.Format("[SERVERTOOLS] Detected invalid player stat update by '{0}' '{1}' named '{2}' against '{3}' '{4}' named '{5}'. Client has been banned", __instance.Sender.PlatformId.CombinedString, __instance.Sender.CrossplatformId.CombinedString, __instance.Sender.playerName, cInfo.PlatformId.CombinedString, cInfo.CrossplatformId.CombinedString, cInfo.playerName));
return(false);
}
}
}
catch (Exception e)
{
Log.Out(string.Format("[SERVERTOOLS] Error in PlayerStatsPackage.IsValid: {0}", e.Message));
}
return(true);
}
public static bool NetPackagePlayerStats_ProcessPackage_Prefix(NetPackagePlayerStats __instance)
{
if (PersistentOperations.Net_Package_Detector && __instance.Sender != null)
{
if (!PlayerStatsPackage.IsValid(__instance))
{
return(false);
}
}
return(true);
}
public static bool Prefix(NetPackagePlayerStats __instance, ref State __state, [CanBeNull] World _world)
{
Log.Debug($"Executing patch prefix {nameof(PlayerStatsChanged)} ...");
if (_world == null)
{
return(true);
}
if (_world.GetEntity(__instance.GetEntityId()) is EntityPlayer player)
{
// Remember last values for comparison later
__state = new State()
{
EntityId = player.entityId,
Level = player.Level,
ExpToNextLevel = player.ExpToNextLevel,
};
}
return(true);
}
public static void Postfix(NetPackagePlayerStats __instance, State __state, [CanBeNull] World _world)
{
Log.Debug($"Executing patch postfix {nameof(PlayerStatsChanged)} ...");
if (_world == null || __state == null)
{
return;
}
if (_world.GetEntity(__state.EntityId) is EntityPlayer player)
{
// Track level increase
if (player.Level > __state.Level)
{
CommandTools.InvokeScriptEvents(ScriptEvent.playerLevelUp, () => new PlayerLevelUpEventArgs()
{
oldLevel = __state.Level,
newLevel = player.Level,
clientInfo = ConnectionManager.Instance?.GetClientInfoForEntityId(player.entityId),
});
}
// Track gained xp, including level-up by 1 (can't easily calculate multiple levels into xp)
if (player.ExpToNextLevel != __state.ExpToNextLevel && (player.Level == __state.Level || player.Level == __state.Level + 1))
{
CommandTools.InvokeScriptEvents(ScriptEvent.playerExpGained, () => new PlayerExpGainedEventArgs()
{
expGained = player.Level == __state.Level
? __state.ExpToNextLevel - player.ExpToNextLevel
: __state.ExpToNextLevel + (player.GetExpForNextLevel() - player.ExpToNextLevel),
expToNextLevel = player.ExpToNextLevel,
levelUp = player.Level > __state.Level,
clientInfo = ConnectionManager.Instance?.GetClientInfoForEntityId(player.entityId),
});
}
}
}
public static int GetEntityId(this NetPackagePlayerStats target)
{
return((int)fi_NetPackagePlayerStats_entityId.GetValue(target));
}
