Wireless.cs


using System.IO;
using Terraria;
using Terraria.DataStructures;
using Terraria.ModLoader;
using Terraria.ID;

namespace Wireless
{
    public class Wireless : Mod
	{
        public enum MessageType : byte
		{
			AddLink,
			RemoveLink,
			TripWire
		}
		
		public override void HandlePacket(BinaryReader reader, int whoAmI)
		{
			var msgType = (MessageType)reader.ReadByte();
			switch(msgType)
			{
				case MessageType.AddLink:
					
					var transmitter = new Point16(reader.ReadInt16(), reader.ReadInt16());
					var receiver = new Point16(reader.ReadInt16(), reader.ReadInt16());
					if (!WirelessUtils.AlreadyExists(transmitter, receiver))
					{
						WirelessSystem.Links[transmitter] = receiver;
						if(Main.netMode == NetmodeID.Server) //Server-side
							SyncAddLink(transmitter, receiver, whoAmI); //Broadcast the change to other clients
					}
					break;
				case MessageType.RemoveLink:
					transmitter = new Point16(reader.ReadInt16(), reader.ReadInt16());
					WirelessSystem.Links.Remove(transmitter);
					
					if(Main.netMode == NetmodeID.Server)
						SyncRemoveLink(transmitter, whoAmI);
					break;
				case MessageType.TripWire:
					receiver = new Point16(reader.ReadInt16(), reader.ReadInt16());
					TryAndActivateReceiver(receiver);
					
					if(Main.netMode == NetmodeID.Server)
						RemoteClient.CheckSection(whoAmI, receiver.ToWorldCoordinates());
					break;
			}
		}
		
		public void SyncAddLink(Point16 transmitter, Point16 receiver, int ignoreClient = -1)
		{
			WirelessSystem.Links[transmitter] = receiver;
			if(Main.netMode != NetmodeID.SinglePlayer)
			{
				var msg = GetPacket();
				msg.Write((byte)MessageType.AddLink);
				msg.Write(transmitter.X);
				msg.Write(transmitter.Y);
				msg.Write(receiver.X);
				msg.Write(receiver.Y);
				msg.Send(ignoreClient: ignoreClient);
			}
		}
		
		public void SyncRemoveLink(Point16 transmitter, int ignoreClient = -1)
		{
			WirelessSystem.Links.Remove(transmitter);
			if(Main.netMode != NetmodeID.SinglePlayer)
			{
				var msg = GetPacket();
				msg.Write((byte)MessageType.RemoveLink);
				msg.Write(transmitter.X);
				msg.Write(transmitter.Y);
				msg.Send(ignoreClient: ignoreClient);
			}
		}
		
		public void SyncActivate(Point16 receiver)
		{
			if(Main.netMode == NetmodeID.MultiplayerClient)
			{
				var msg = GetPacket();
				msg.Write((byte)MessageType.TripWire);
				msg.Write(receiver.X);
				msg.Write(receiver.Y);
				msg.Send();
			}
			else
			{
				TryAndActivateReceiver(receiver);
			}
		}
		
		void TryAndActivateReceiver(Point16 receiver)
		{
			if(!WirelessUtils.ActivateReceiver(receiver))
            {
                SyncRemoveLink(receiver);
            }
        }
		
		public static void Log(object message, params object[] formatData)
		{
            ModContent.GetInstance<Wireless>().Logger.Info("[Wireless] " + string.Format(message.ToString(), formatData));
		}

		//Hamstar's Mod Helpers integration
		public static string GithubUserName { get { return "goldenapple3"; } }
		public static string GithubProjectName { get { return "Wireless"; } }
	}
}