Added system for making changes retroactive

src/main/NGECore.java

@@ -72,6 +72,7 @@ import services.LoginService;
 import services.map.MapService;
 import services.object.ObjectService;
 import services.object.UpdateService;
+import services.retro.RetroService;
 import services.spawn.SpawnService;
 import services.sui.SUIService;
 import services.trade.TradeService;
@@ -123,6 +124,7 @@ public class NGECore {
 		
 	// Services
 	public LoginService loginService;
+	public RetroService retroService;
 	public ConnectionService connectionService;
 	public CommandService commandService;
 	public CharacterService characterService;
@@ -221,6 +223,7 @@ public class NGECore {
 		guildODB = new ObjectDatabase("guild", true, false, true);
 		// Services
 		loginService = new LoginService(this);
+		retroService = new RetroService(this);
 		connectionService = new ConnectionService(this);
 		characterService = new CharacterService(this);
 		mapService = new MapService(this);
@@ -276,6 +279,7 @@ public class NGECore {
 		
 		// Zone Server
 		zoneDispatch = new NetworkDispatch(this, true);
+		zoneDispatch.addService(retroService);
 		zoneDispatch.addService(connectionService);
 		zoneDispatch.addService(characterService);
 		zoneDispatch.addService(factionService);
@@ -347,6 +351,8 @@ public class NGECore {
 	//	spawnService.loadLairGroups();
 	//	spawnService.loadSpawnAreas();
 		
+		retroService.run();
+		
 		didServerCrash = false;
 		System.out.println("Started Server.");
 		setGalaxyStatus(2);

src/services/retro/IRetroModification.java

@@ -0,0 +1,30 @@
+/*******************************************************************************
+ * Copyright (c) 2013 <Project SWG>
+ * 
+ * This File is part of NGECore2.
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * 
+ * Using NGEngine to work with NGECore2 is making a combined work based on NGEngine. 
+ * Therefore all terms and conditions of the GNU Lesser General Public License cover the combination.
+ ******************************************************************************/
+package services.retro;
+
+import main.NGECore;
+
+public interface IRetroModification {
+	
+	public void modify(NGECore core);
+	
+}

src/services/retro/RetroService.java

@@ -0,0 +1,76 @@
+/*******************************************************************************
+ * Copyright (c) 2013 <Project SWG>
+ * 
+ * This File is part of NGECore2.
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * 
+ * Using NGEngine to work with NGECore2 is making a combined work based on NGEngine. 
+ * Therefore all terms and conditions of the GNU Lesser General Public License cover the combination.
+ ******************************************************************************/
+package services.retro;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+import engine.resources.service.INetworkDispatch;
+import engine.resources.service.INetworkRemoteEvent;
+import main.NGECore;
+
+/*
+ * Very often we will need to make changes to existing objects when the server
+ * boots up.  This is especially the case when fixes or new features are
+ * added that affect already-existing objects.  To make the changes retroactive
+ * we can use this service to make it more tidy.  Add to the list of
+ * modifications in the relevant service's constructor, or in this one.
+ */
+public class RetroService implements INetworkDispatch {
+	
+	private NGECore core;
+	
+	private List<IRetroModification> modifications;
+	
+	public RetroService(NGECore core) {
+		this.core = core;
+		modifications = new ArrayList<IRetroModification>();
+		
+		core.retroService.addModification(new IRetroModification() {
+			
+			public void modify(NGECore core) {
+				
+			}
+			
+		});
+	}
+	
+	public void addModification(IRetroModification modification) {
+		modifications.add(modification);
+	}
+	
+	public void run() {
+		for (IRetroModification modification : modifications) {
+			modification.modify(core);
+		}
+	}
+	
+	public void insertOpcodes(Map<Integer, INetworkRemoteEvent> swgOpcodes, Map<Integer, INetworkRemoteEvent> objControllerOpcodes) {
+		
+	}
+	
+	public void shutdown() {
+		
+	}
+	
+}