More latency handling fixes.

Fixed Clientside rendering issues of the PlayerInfo window if max players > 126.
Limited PlayerInfo packets to 126 at a time as it cannot render anymore than 126.

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

@@ -101,7 +101,13 @@ public class NetLoginHandler extends NetHandler {
             byte b1 = (byte) worldserver.spawnMonsters;
 
             worldserver.getClass();
-            Packet1Login packet1login1 = new Packet1Login("", i, j, k, b0, b1, (byte) -128, (byte) this.server.serverConfigurationManager.h());
+            // CraftBukkit start -- Don't send a higher than 126 MaxPlayer size, otherwise the PlayerInfo window won't render correctly.
+            int maxPlayers = this.server.serverConfigurationManager.h();
+            if (maxPlayers > 126) {
+                maxPlayers = 126;
+            }
+            Packet1Login packet1login1 = new Packet1Login("", i, j, k, b0, b1, (byte) -128, (byte) maxPlayers);
+            // CraftBukkit end
 
             netserverhandler.sendPacket(packet1login1);
             netserverhandler.sendPacket(new Packet6SpawnPosition(chunkcoordinates.x, chunkcoordinates.y, chunkcoordinates.z));

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

@@ -320,6 +320,11 @@ public class ServerConfigurationManager {
 
         if (this.p-- <= 0) {
             for (i = 0; i < this.players.size(); ++i) {
+                // CraftBukkit start -- Client cannot render anymore than 126 Players so there's no point sending anymore packets.
+                if (i > 126) {
+                    break;
+                }
+                // CraftBukkit end
                 EntityPlayer entityplayer = (EntityPlayer) this.players.get(i);
 
                 this.sendAll(new Packet201PlayerInfo(entityplayer.name, true, entityplayer.i));