Added internal MC support for multiple worlds

src/main/java/net/minecraft/server/NetLoginHandler.java

@@ -0,0 +1,118 @@
+package net.minecraft.server;
+
+import java.net.Socket;
+import java.util.Random;
+import java.util.logging.Logger;
+
+public class NetLoginHandler extends NetHandler {
+
+    public static Logger a = Logger.getLogger("Minecraft");
+    private static Random d = new Random();
+    public NetworkManager b;
+    public boolean c = false;
+    private MinecraftServer e;
+    private int f = 0;
+    private String g = null;
+    private Packet1Login h = null;
+    private String i = "";
+
+    public NetLoginHandler(MinecraftServer minecraftserver, Socket socket, String s) {
+        this.e = minecraftserver;
+        this.b = new NetworkManager(socket, s, this);
+        this.b.d = 0;
+    }
+
+    public void a() {
+        if (this.h != null) {
+            this.b(this.h);
+            this.h = null;
+        }
+
+        if (this.f++ == 600) {
+            this.a("Took too long to log in");
+        } else {
+            this.b.a();
+        }
+    }
+
+    public void a(String s) {
+        try {
+            a.info("Disconnecting " + this.b() + ": " + s);
+            this.b.a((Packet) (new Packet255KickDisconnect(s)));
+            this.b.c();
+            this.c = true;
+        } catch (Exception exception) {
+            exception.printStackTrace();
+        }
+    }
+
+    public void a(Packet2Handshake packet2handshake) {
+        if (this.e.l) {
+            this.i = Long.toHexString(d.nextLong());
+            this.b.a((Packet) (new Packet2Handshake(this.i)));
+        } else {
+            this.b.a((Packet) (new Packet2Handshake("-")));
+        }
+    }
+
+    public void a(Packet1Login packet1login) {
+        this.g = packet1login.b;
+        if (packet1login.a != 8) {
+            if (packet1login.a > 8) {
+                this.a("Outdated server!");
+            } else {
+                this.a("Outdated client!");
+            }
+        } else {
+            if (!this.e.l) {
+                this.b(packet1login);
+            } else {
+                (new ThreadLoginVerifier(this, packet1login)).start();
+            }
+        }
+    }
+
+    public void b(Packet1Login packet1login) {
+        EntityPlayer entityplayer = this.e.f.a(this, packet1login.b, packet1login.c);
+
+        if (entityplayer != null) {
+            a.info(this.b() + " logged in with entity id " + entityplayer.id);
+            NetServerHandler netserverhandler = new NetServerHandler(this.e, this.b, entityplayer);
+
+            // Craftbukkit start
+            netserverhandler.b((Packet) (new Packet1Login("", "", entityplayer.id, entityplayer.world.u, (byte) entityplayer.world.q.g)));
+            netserverhandler.b((Packet) (new Packet6SpawnPosition(entityplayer.world.spawnX, entityplayer.world.spawnY, entityplayer.world.spawnZ)));
+            this.e.f.a((Packet) (new Packet3Chat("<EFBFBD>e" + entityplayer.name + " joined the game.")));
+            this.e.f.a(entityplayer);
+            netserverhandler.a(entityplayer.locX, entityplayer.locY, entityplayer.locZ, entityplayer.yaw, entityplayer.pitch);
+            this.e.c.a(netserverhandler);
+            netserverhandler.b((Packet) (new Packet4UpdateTime(entityplayer.world.e)));
+            // Craftbukkit end
+
+            entityplayer.l();
+        }
+
+        this.c = true;
+    }
+
+    public void a(String s, Object[] aobject) {
+        a.info(this.b() + " lost connection");
+        this.c = true;
+    }
+
+    public void a(Packet packet) {
+        this.a("Protocol error");
+    }
+
+    public String b() {
+        return this.g != null ? this.g + " [" + this.b.b().toString() + "]" : this.b.b().toString();
+    }
+
+    static String a(NetLoginHandler netloginhandler) {
+        return netloginhandler.i;
+    }
+
+    static Packet1Login a(NetLoginHandler netloginhandler, Packet1Login packet1login) {
+        return netloginhandler.h = packet1login;
+    }
+}