public override void Send(IWriteMessage msg, DeliveryMethod deliveryMethod) { if (!isActive) { return; } byte[] buf = new byte[msg.LengthBytes + 4]; buf[0] = (byte)deliveryMethod; byte[] bufAux = new byte[msg.LengthBytes]; msg.PrepareForSending(ref bufAux, out bool isCompressed, out int length); buf[1] = (byte)(isCompressed ? PacketHeader.IsCompressed : PacketHeader.None); buf[2] = (byte)(length & 0xff); buf[3] = (byte)((length >> 8) & 0xff); Array.Copy(bufAux, 0, buf, 4, length); Steamworks.P2PSend sendType; switch (deliveryMethod) { case DeliveryMethod.Reliable: case DeliveryMethod.ReliableOrdered: //the documentation seems to suggest that the Reliable send type //enforces packet order (TODO: verify) sendType = Steamworks.P2PSend.Reliable; break; default: sendType = Steamworks.P2PSend.Unreliable; break; } if (length + 8 >= MsgConstants.MTU) { DebugConsole.Log("WARNING: message length comes close to exceeding MTU, forcing reliable send (" + length.ToString() + " bytes)"); sendType = Steamworks.P2PSend.Reliable; } heartbeatTimer = 5.0; #if DEBUG CoroutineManager.InvokeAfter(() => { if (GameMain.Client == null) { return; } if (Rand.Range(0.0f, 1.0f) < GameMain.Client.SimulatedLoss && sendType != Steamworks.P2PSend.Reliable) { return; } int count = Rand.Range(0.0f, 1.0f) < GameMain.Client.SimulatedDuplicatesChance ? 2 : 1; for (int i = 0; i < count; i++) { Send(buf, length + 4, sendType); } }, GameMain.Client.SimulatedMinimumLatency + Rand.Range(0.0f, GameMain.Client.SimulatedRandomLatency)); #else Send(buf, length + 4, sendType); #endif }
public void ServerRead(ClientNetObject type, IReadMessage msg, Client c) { List <Wire>[] wires = new List <Wire> [Connections.Count]; //read wire IDs for each connection for (int i = 0; i < Connections.Count; i++) { wires[i] = new List <Wire>(); for (int j = 0; j < Connection.MaxLinked; j++) { ushort wireId = msg.ReadUInt16(); if (!(Entity.FindEntityByID(wireId) is Item wireItem)) { continue; } Wire wireComponent = wireItem.GetComponent <Wire>(); if (wireComponent != null) { wires[i].Add(wireComponent); } } } List <Wire> clientSideDisconnectedWires = new List <Wire>(); ushort disconnectedWireCount = msg.ReadUInt16(); for (int i = 0; i < disconnectedWireCount; i++) { ushort wireId = msg.ReadUInt16(); if (!(Entity.FindEntityByID(wireId) is Item wireItem)) { continue; } Wire wireComponent = wireItem.GetComponent <Wire>(); if (wireComponent == null) { continue; } clientSideDisconnectedWires.Add(wireComponent); } //don't allow rewiring locked panels if (Locked || !GameMain.NetworkMember.ServerSettings.AllowRewiring) { return; } item.CreateServerEvent(this); //check if the character can access this connectionpanel //and all the wires they're trying to connect if (!item.CanClientAccess(c)) { return; } for (int i = 0; i < Connections.Count; i++) { foreach (Wire wire in wires[i]) { //wire not found in any of the connections yet (client is trying to connect a new wire) // -> we need to check if the client has access to it if (!Connections.Any(connection => connection.Wires.Contains(wire)) && !DisconnectedWires.Contains(wire)) { if (!wire.Item.CanClientAccess(c)) { return; } } } } if (!CheckCharacterSuccess(c.Character)) { item.CreateServerEvent(this); c.Character.Inventory?.CreateNetworkEvent(); for (int i = 0; i < 2; i++) { var selectedWire = c.Character.SelectedItems[i]?.GetComponent <Wire>(); if (selectedWire == null) { continue; } selectedWire.CreateNetworkEvent(); var panel1 = selectedWire.Connections[0]?.ConnectionPanel; if (panel1 != null && panel1 != this) { panel1.item.CreateServerEvent(panel1); } var panel2 = selectedWire.Connections[1]?.ConnectionPanel; if (panel2 != null && panel2 != this) { panel2.item.CreateServerEvent(panel2); } CoroutineManager.InvokeAfter(() => { item.CreateServerEvent(this); if (panel1 != null && panel1 != this) { panel1.item.CreateServerEvent(panel1); } if (panel2 != null && panel2 != this) { panel2.item.CreateServerEvent(panel2); } if (!selectedWire.Item.Removed) { selectedWire.CreateNetworkEvent(); } }, 1.0f); } GameMain.Server?.CreateEntityEvent(item, new object[] { NetEntityEvent.Type.ApplyStatusEffect, ActionType.OnFailure, this, c.Character.ID }); return; } //go through existing wire links for (int i = 0; i < Connections.Count; i++) { int j = -1; foreach (Wire existingWire in Connections[i].Wires) { j++; if (existingWire == null) { continue; } //existing wire not in the list of new wires -> disconnect it if (!wires[i].Contains(existingWire)) { if (existingWire.Locked) { //this should not be possible unless the client is running a modified version of the game GameServer.Log(GameServer.CharacterLogName(c.Character) + " attempted to disconnect a locked wire from " + Connections[i].Item.Name + " (" + Connections[i].Name + ")", ServerLog.MessageType.Error); continue; } existingWire.RemoveConnection(item); if (existingWire.Item.ParentInventory == null) { item.GetComponent <ConnectionPanel>()?.DisconnectedWires.Add(existingWire); } if (!wires.Any(w => w.Contains(existingWire))) { GameMain.Server.KarmaManager.OnWireDisconnected(c.Character, existingWire); } if (existingWire.Connections[0] == null && existingWire.Connections[1] == null) { GameServer.Log(GameServer.CharacterLogName(c.Character) + " disconnected a wire from " + Connections[i].Item.Name + " (" + Connections[i].Name + ")", ServerLog.MessageType.Wiring); if (existingWire.Item.ParentInventory != null) { //in an inventory and not connected to anything -> the wire cannot have any nodes existingWire.ClearConnections(); } else if (!clientSideDisconnectedWires.Contains(existingWire)) { //not in an inventory, not connected to anything, not hanging loose from any panel -> must be dropped existingWire.Item.Drop(c.Character); } } else if (existingWire.Connections[0] != null) { GameServer.Log(GameServer.CharacterLogName(c.Character) + " disconnected a wire from " + Connections[i].Item.Name + " (" + Connections[i].Name + ") to " + existingWire.Connections[0].Item.Name + " (" + existingWire.Connections[0].Name + ")", ServerLog.MessageType.Wiring); //wires that are not in anyone's inventory (i.e. not currently being rewired) //can never be connected to only one connection // -> the client must have dropped the wire from the connection panel /*if (existingWire.Item.ParentInventory == null && !wires.Any(w => w.Contains(existingWire))) * { * //let other clients know the item was also disconnected from the other connection * existingWire.Connections[0].Item.CreateServerEvent(existingWire.Connections[0].Item.GetComponent<ConnectionPanel>()); * existingWire.Item.Drop(c.Character); * }*/ } else if (existingWire.Connections[1] != null) { GameServer.Log(GameServer.CharacterLogName(c.Character) + " disconnected a wire from " + Connections[i].Item.Name + " (" + Connections[i].Name + ") to " + existingWire.Connections[1].Item.Name + " (" + existingWire.Connections[1].Name + ")", ServerLog.MessageType.Wiring); /*if (existingWire.Item.ParentInventory == null && !wires.Any(w => w.Contains(existingWire))) * { * //let other clients know the item was also disconnected from the other connection * existingWire.Connections[1].Item.CreateServerEvent(existingWire.Connections[1].Item.GetComponent<ConnectionPanel>()); * existingWire.Item.Drop(c.Character); * }*/ } Connections[i].SetWire(j, null); } } } foreach (Wire disconnectedWire in DisconnectedWires.ToList()) { if (disconnectedWire.Connections[0] == null && disconnectedWire.Connections[1] == null && !clientSideDisconnectedWires.Contains(disconnectedWire) && disconnectedWire.Item.ParentInventory == null) { disconnectedWire.Item.Drop(c.Character); GameServer.Log(GameServer.CharacterLogName(c.Character) + " dropped " + disconnectedWire.Name, ServerLog.MessageType.Inventory); } } //go through new wires for (int i = 0; i < Connections.Count; i++) { foreach (Wire newWire in wires[i]) { //already connected, no need to do anything if (Connections[i].Wires.Contains(newWire)) { continue; } Connections[i].TryAddLink(newWire); newWire.Connect(Connections[i], true, true); var otherConnection = newWire.OtherConnection(Connections[i]); if (otherConnection == null) { GameServer.Log(GameServer.CharacterLogName(c.Character) + " connected a wire to " + Connections[i].Item.Name + " (" + Connections[i].Name + ")", ServerLog.MessageType.Wiring); } else { GameServer.Log(GameServer.CharacterLogName(c.Character) + " connected a wire from " + Connections[i].Item.Name + " (" + Connections[i].Name + ") to " + (otherConnection == null ? "none" : otherConnection.Item.Name + " (" + (otherConnection.Name) + ")"), ServerLog.MessageType.Wiring); } } } }