Add hooks for Region creation/deletion. Add hooks for Region Enter/Leave. Add member to TSPlayer displaying current region. Set private setters in AccountHooks.

TShockAPI/DB/RegionManager.cs

@@ -115,6 +115,18 @@ namespace TShockAPI.DB
 			}
 		}
 
+		/// <summary>
+		/// Adds a region to the database.
+		/// </summary>
+		/// <param name="tx">TileX of the top left corner.</param>
+		/// <param name="ty">TileY of the top left corner.</param>
+		/// <param name="width">Width of the region in tiles.</param>
+		/// <param name="height">Height of the region in tiles.</param>
+		/// <param name="regionname">The name of the region.</param>
+		/// <param name="owner">The User Account Name of the person who created this region.</param>
+		/// <param name="worldid">The world id that this region is in.</param>
+		/// <param name="z">The Z index of the region.</param>
+		/// <returns>Whether the region was created and added successfully.</returns>
 		public bool AddRegion(int tx, int ty, int width, int height, string regionname, string owner, string worldid, int z = 0)
 		{
 			if (GetRegionByName(regionname) != null)
@@ -126,7 +138,9 @@ namespace TShockAPI.DB
 				database.Query(
 					"INSERT INTO Regions (X1, Y1, width, height, RegionName, WorldID, UserIds, Protected, Groups, Owner, Z) VALUES (@0, @1, @2, @3, @4, @5, @6, @7, @8, @9, @10);",
 					tx, ty, width, height, regionname, worldid, "", 1, "", owner, z);
-				Regions.Add(new Region(new Rectangle(tx, ty, width, height), regionname, owner, true, worldid, z));
+				var region = new Region(new Rectangle(tx, ty, width, height), regionname, owner, true, worldid, z);
+				Regions.Add(region);
+				Hooks.RegionHooks.OnRegionCreated(region);
 				return true;
 			}
 			catch (Exception ex)
@@ -136,13 +150,20 @@ namespace TShockAPI.DB
 			return false;
 		}
 
+		/// <summary>
+		/// Deletes the region from this world with a given name.
+		/// </summary>
+		/// <param name="name">The name of the region to delete.</param>
+		/// <returns>Whether the region was successfully deleted.</returns>
 		public bool DeleteRegion(string name)
 		{
 			try
 			{
 				database.Query("DELETE FROM Regions WHERE RegionName=@0 AND WorldID=@1", name, Main.worldID.ToString());
 				var worldid = Main.worldID.ToString();
+				var region = Regions.FirstOrDefault(r => r.Name == name && r.WorldID == worldid);
 				Regions.RemoveAll(r => r.Name == name && r.WorldID == worldid);
+				Hooks.RegionHooks.OnRegionDeleted(region);
 				return true;
 			}
 			catch (Exception ex)

TShockAPI/Hooks/AccountHooks.cs

@@ -21,7 +21,7 @@ namespace TShockAPI.Hooks
 {
 	public class AccountDeleteEventArgs
 	{
-		public User User { get; set; }
+		public User User { get; private set; }
 
 		public AccountDeleteEventArgs(User user)
 		{
@@ -31,7 +31,7 @@ namespace TShockAPI.Hooks
 
 	public class AccountCreateEventArgs
 	{
-		public User User { get; set; }
+		public User User { get; private set; }
 
 		public AccountCreateEventArgs(User user)
 		{

TShockAPI/Hooks/RegionHooks.cs

@@ -0,0 +1,109 @@
+/*
+TShock, a server mod for Terraria
+Copyright (C) 2011-2015 Nyx Studios (fka. The TShock Team)
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+using TShockAPI.DB;
+
+namespace TShockAPI.Hooks
+{
+	class RegionHooks
+	{
+		internal class RegionEnteredEventArgs
+		{
+			public TSPlayer Player { get; private set; }
+
+			public RegionEnteredEventArgs(TSPlayer ply)
+			{
+				Player = ply;
+			}
+		}
+
+		public delegate void RegionEnteredD(RegionEnteredEventArgs args);
+		public static event RegionEnteredD RegionEntered;
+		public static void OnRegionEntered(TSPlayer player)
+		{
+			if (RegionEntered == null)
+			{
+				return;
+			}
+
+			RegionEntered(new RegionEnteredEventArgs(player));
+		}
+
+		internal class RegionLeftEventArgs
+		{
+			public TSPlayer Player { get; private set; }
+
+			public RegionLeftEventArgs(TSPlayer ply)
+			{
+				Player = ply;
+			}
+		}
+
+		public delegate void RegionLeftD(RegionLeftEventArgs args);
+		public static event RegionLeftD RegionLeft;
+		public static void OnRegionLeft(TSPlayer player)
+		{
+			if (RegionLeft == null)
+			{
+				return;
+			}
+
+			RegionLeft(new RegionLeftEventArgs(player));
+		}
+
+		internal class RegionCreatedEventArgs
+		{
+			public Region Region { get; private set; }
+
+			public RegionCreatedEventArgs(Region region)
+			{
+				Region = region;
+			}
+		}
+
+		public delegate void RegionCreatedD(RegionCreatedEventArgs args);
+		public static event RegionCreatedD RegionCreated;
+		public static void OnRegionCreated(Region region)
+		{
+			if (RegionCreated == null)
+				return;
+
+			RegionCreated(new RegionCreatedEventArgs(region));
+		}
+
+		internal class RegionDeletedEventArgs
+		{
+			public Region Region { get; private set; }
+
+			public RegionDeletedEventArgs(Region region)
+			{
+				Region = region;
+			}
+		}
+
+		public delegate void RegionDeletedD(RegionDeletedEventArgs args);
+		public static event RegionDeletedD RegionDeleted;
+		public static void OnRegionDeleted(Region region)
+		{
+			if (RegionDeleted == null)
+				return;
+
+			RegionDeleted(new RegionDeletedEventArgs(region));
+		}
+	}
+}

TShockAPI/TSPlayer.cs

@@ -304,6 +304,11 @@ namespace TShockAPI
 		/// </summary>
 		public int LastKilledProjectile = 0;
 
+		/// <summary>
+		/// The current region this player is in, or null if none.
+		/// </summary>
+		public Region CurrentRegion = null;
+		
 		/// <summary>
 		/// Whether the player is a real, human, player on the server.
 		/// </summary>

TShockAPI/TShock.cs

@@ -818,6 +818,22 @@ namespace TShockAPI
 					{
 						player.SetBuff(23, 120); //Cursed
 					}
+
+					var oldRegion = player.CurrentRegion;
+					player.CurrentRegion = Regions.GetTopRegion(Regions.InAreaRegion(player.TileX, player.TileY));
+
+					if (oldRegion != player.CurrentRegion)
+					{
+						if (oldRegion != null)
+						{
+							Hooks.RegionHooks.OnRegionLeft(player);
+						}
+
+						if (player.CurrentRegion != null)
+						{
+							Hooks.RegionHooks.OnRegionEntered(player);
+						}
+					}
 				}
 			}
 			SetConsoleTitle(false);

TShockAPI/TShockAPI.csproj

@@ -79,6 +79,7 @@
     <Compile Include="Hooks\AccountHooks.cs" />
     <Compile Include="Hooks\GeneralHooks.cs" />
     <Compile Include="Hooks\PlayerHooks.cs" />
+    <Compile Include="Hooks\RegionHooks.cs" />
     <Compile Include="ILog.cs" />
     <Compile Include="Log.cs" />
     <Compile Include="SqlLog.cs" />
@@ -185,7 +186,7 @@
   </PropertyGroup>
   <ProjectExtensions>
     <VisualStudio>
-      <UserProperties BuildVersion_UpdateAssemblyVersion="True" BuildVersion_UpdateFileVersion="True" BuildVersion_BuildAction="Both" BuildVersion_BuildVersioningStyle="None.None.None.MonthAndDayStamp" BuildVersion_StartDate="2011/6/17" BuildVersion_IncrementBeforeBuild="False" />
+      <UserProperties BuildVersion_IncrementBeforeBuild="False" BuildVersion_StartDate="2011/6/17" BuildVersion_BuildVersioningStyle="None.None.None.MonthAndDayStamp" BuildVersion_BuildAction="Both" BuildVersion_UpdateFileVersion="True" BuildVersion_UpdateAssemblyVersion="True" />
     </VisualStudio>
   </ProjectExtensions>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it.