From 9d55122da8bf205571f8a4822f973e0fd0ec4a74 Mon Sep 17 00:00:00 2001
From: White <monsieur_white@hotmail.com>
Date: Thu, 16 Jul 2015 15:36:32 +0930
Subject: [PATCH] Teleport handler now handles wormhole potions. Added a
 permission to use wormhole potions

---
 TShockAPI/GetDataHandlers.cs | 52 ++++++++++++++++++++++++------------
 TShockAPI/Permissions.cs     |  3 +++
 2 files changed, 38 insertions(+), 17 deletions(-)

diff --git a/TShockAPI/GetDataHandlers.cs b/TShockAPI/GetDataHandlers.cs
index 95a7bd15..35344120 100755
--- a/TShockAPI/GetDataHandlers.cs
+++ b/TShockAPI/GetDataHandlers.cs
@@ -3564,40 +3564,58 @@ namespace TShockAPI
 
 		private static bool HandleTeleport(GetDataHandlerArgs args)
 		{
-			var flag = (BitsByte)args.Data.ReadInt8();
-			var id = args.Data.ReadInt16();
+			BitsByte flag = (BitsByte)args.Data.ReadByte();
+			short id = args.Data.ReadInt16();
 			var x = args.Data.ReadSingle();
 			var y = args.Data.ReadSingle();
 
 			if (OnTeleport(id, flag, x, y))
 				return true;
 
+			int type = 0;
 			byte style = 0;
-			var isNPC = false || (flag & 1) == 1;
+			bool isNPC = type == 1;
 
-			if ((flag & 2) != 2)
+			if (flag[0])
 			{
-				if ((flag & 4) == 4)
-				{
-					style++;
-				}
+				type = 1;
+			}
+			if (flag[1])
+			{
+				type = 2;
+			}
+			if (flag[2])
+			{
+				style++;
+			}
+			if (flag[3])
+			{
+				style += 2;
+			}
 
-				if ((flag & 8) == 8)
-				{
-					style++;
-				}
+			//Rod of Discord teleport (usually (may be used by modded clients to teleport))
+			if (type == 0 && !args.Player.Group.HasPermission(Permissions.rod))
+			{
+				args.Player.SendErrorMessage("You do not have permission to teleport.");
+				args.Player.Teleport(args.TPlayer.position.X, args.TPlayer.position.Y);
+				return true;
+			}	
 
-				if (id > (isNPC ? 200 : 255))
-				{
-					return true;
-				}
+			//NPC teleport
+			if (type == 1 && id >= Main.maxNPCs)
+			{
+				return true;
+			}
 
+			//Player to player teleport (wormhole potion, usually (may be used by modded clients to teleport))
+			if (type == 2)
+			{
 				if (id >= Main.maxPlayers || Main.player[id] == null || TShock.Players[id] == null)
 				{
 					return true;
 				}
 
-				if (!isNPC && !args.Player.Group.HasPermission(Permissions.rod))
+				if (!args.Player.Group.HasPermission(Permissions.wormhole))
 				{
 					args.Player.SendErrorMessage("You do not have permission to teleport.");
 					args.Player.Teleport(args.TPlayer.position.X, args.TPlayer.position.Y);
diff --git a/TShockAPI/Permissions.cs b/TShockAPI/Permissions.cs
index 369042a3..cfd88811 100644
--- a/TShockAPI/Permissions.cs
+++ b/TShockAPI/Permissions.cs
@@ -252,6 +252,9 @@ namespace TShockAPI
 		[Description("User can use the Rod of Discor.")] 
 		public static readonly string rod = "tshock.tp.rod";
 
+		[Description("User can use wormhole potions.")]
+		public static readonly string wormhole = "tshock.tp.wormhole";
+
 		// tshock.world nodes
 
 		[Description("User can change expert state.")]