pathfinding, packet utils

paper-server/patches/sources/net/minecraft/network/protocol/Packet.java.patch

@@ -0,0 +1,22 @@
+--- a/net/minecraft/network/protocol/Packet.java
++++ b/net/minecraft/network/protocol/Packet.java
+@@ -11,6 +_,19 @@
+ 
+     void handle(T handler);
+ 
++    // Paper start
++    default boolean hasLargePacketFallback() {
++        return false;
++    }
++
++    /**
++     * override {@link #hasLargePacketFallback()} to return true when overriding in subclasses
++     */
++    default boolean packetTooLarge(net.minecraft.network.Connection manager) {
++        return false;
++    }
++    // Paper end
++
+     default boolean isSkippable() {
+         return false;
+     }

paper-server/patches/sources/net/minecraft/network/protocol/PacketUtils.java.patch

@@ -0,0 +1,10 @@
+--- a/net/minecraft/network/protocol/PacketUtils.java
++++ b/net/minecraft/network/protocol/PacketUtils.java
+@@ -21,6 +_,7 @@
+     public static <T extends PacketListener> void ensureRunningOnSameThread(Packet<T> packet, T processor, BlockableEventLoop<?> executor) throws RunningOnDifferentThreadException {
+         if (!executor.isSameThread()) {
+             executor.executeIfPossible(() -> {
++                if (processor instanceof net.minecraft.server.network.ServerCommonPacketListenerImpl serverCommonPacketListener && serverCommonPacketListener.processedDisconnect) return; // Paper - Don't handle sync packets for kicked players
+                 if (processor.shouldHandleMessage(packet)) {
+                     try {
+                         packet.handle(processor);