Pretty much all of security minus the gui.

and all the stuff I did that i forgot to comment.

core/features/AEFeature.java

@@ -40,7 +40,7 @@ public enum AEFeature
 	DenseEnergyCells("HigherCapacity"), DenseCables("HigherCapacity"),
 
 	P2PTunnelME("P2PTunnels"), P2PTunnelItems("P2PTunnels"), P2PTunnelRedstone("P2PTunnels"), P2PTunnelEU("P2PTunnels"), P2PTunnelMJ("P2PTunnels"), P2PTunnelLiquids(
-			"P2PTunnels"),
+			"P2PTunnels"), Security("Security"),
 
 	MassCannonBlockDamage("BlockFeatures"), TinyTNTBlockDamage("BlockFeatures"), Facades("Facades"),
 

core/features/registries/PlayerRegistry.java

@@ -0,0 +1,28 @@
+package appeng.core.features.registries;
+
+import net.minecraft.entity.player.EntityPlayer;
+import appeng.api.features.IPlayerRegistry;
+import appeng.core.WorldSettings;
+
+public class PlayerRegistry implements IPlayerRegistry
+{
+
+	@Override
+	public int getID(String username)
+	{
+		return WorldSettings.getInstance().getPlayerID( username );
+	}
+
+	@Override
+	public int getID(EntityPlayer player)
+	{
+		return WorldSettings.getInstance().getPlayerID( player.username );
+	}
+
+	@Override
+	public String getUsername(int id)
+	{
+		return WorldSettings.getInstance().getUsername( id );
+	}
+
+}

core/features/registries/RegistryContainer.java

@@ -4,6 +4,7 @@ import appeng.api.features.IGrinderRegistry;
 import appeng.api.features.ILocateableRegistry;
 import appeng.api.features.IMatterCannonAmmoRegistry;
 import appeng.api.features.IP2PTunnelRegistry;
+import appeng.api.features.IPlayerRegistry;
 import appeng.api.features.IRegistryContainer;
 import appeng.api.features.ISpecialComparisonRegistry;
 import appeng.api.features.IWirelessTermRegistery;
@@ -25,6 +26,7 @@ public class RegistryContainer implements IRegistryContainer
 	private P2PTunnelRegistry P2PRegistry = new P2PTunnelRegistry();
 	private MovableTileRegistry MoveableReg = new MovableTileRegistry();
 	private MatterCannonAmmoRegistry matterCannonReg = new MatterCannonAmmoRegistry();
+	private PlayerRegistry playerreg = new PlayerRegistry();
 
 	@Override
 	public IWirelessTermRegistery wireless()
@@ -86,4 +88,10 @@ public class RegistryContainer implements IRegistryContainer
 		return matterCannonReg;
 	}
 
+	@Override
+	public IPlayerRegistry players()
+	{
+		return playerreg;
+	}
+
 }