DivineMC/divinemc-server/minecraft-patches/features/0057-Leaves-Protocol-Core.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: NONPLAYT <76615486+NONPLAYT@users.noreply.github.com>
Date: Thu, 11 Dec 2025 15:47:27 +0300
Subject: [PATCH] Leaves: Protocol Core

Original project: https://github.com/LeavesMC/Leaves
Original license: GPLv3

diff --git a/net/minecraft/network/protocol/common/custom/CustomPacketPayload.java b/net/minecraft/network/protocol/common/custom/CustomPacketPayload.java
index 1da034752064312962a4144f91be5265a9a08997..e583baf264e066238804a76e7ce7219a813096bb 100644
--- a/net/minecraft/network/protocol/common/custom/CustomPacketPayload.java
+++ b/net/minecraft/network/protocol/common/custom/CustomPacketPayload.java
@@ -40,13 +40,22 @@ public interface CustomPacketPayload {
 
             @Override
             public void encode(B buffer, CustomPacketPayload value) {
+                // DivineMC start - Leaves Protocol Core
+                if (value instanceof org.leavesmc.leaves.protocol.core.LeavesCustomPayload payload) {
+                    org.leavesmc.leaves.protocol.core.LeavesProtocolManager.encode(buffer, payload);
+                    return;
+                }
+                // DivineMC end - Leaves Protocol Core
                 this.writeCap(buffer, value.type(), value);
             }
 
             @Override
             public CustomPacketPayload decode(B buffer) {
                 Identifier identifier = buffer.readIdentifier();
-                return (CustomPacketPayload)this.findCodec(identifier).decode(buffer);
+                // DivineMC start - Leaves Protocol Core
+                var payload = org.leavesmc.leaves.protocol.core.LeavesProtocolManager.decode(identifier, buffer);
+                return java.util.Objects.requireNonNullElseGet(payload, () -> this.findCodec(identifier).decode(buffer));
+                // DivineMC end - Leaves Protocol Core
             }
         };
     }
diff --git a/net/minecraft/server/MinecraftServer.java b/net/minecraft/server/MinecraftServer.java
index 354e6792cd93a77870d4a061a5b3d9fe4bed2458..580746b5c66a60949281f4a0f814b2e8df161fb9 100644
--- a/net/minecraft/server/MinecraftServer.java
+++ b/net/minecraft/server/MinecraftServer.java
@@ -1866,6 +1866,8 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
             GameTestTicker.SINGLETON.tick();
         }
 
+        org.leavesmc.leaves.protocol.core.LeavesProtocolManager.handleTick(tickCount); // DivineMC - Leaves Protocol Core
+
         for (Runnable runnable : this.tickables) {
             runnable.run();
         }
diff --git a/net/minecraft/server/network/ServerCommonPacketListenerImpl.java b/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
index 28c61ccce5a71b8a3c3e87617907ced1fc45b68c..add49a402be6a1989506bc25bf0a4e7660a3f17a 100644
--- a/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
+++ b/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
@@ -62,6 +62,7 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
     public @Nullable String playerBrand;
     public final java.util.Set<String> pluginMessagerChannels;
     // Paper end - retain certain values
+    public final GameProfile profile; // DivineMC - Leaves Protocol Core
 
     public ServerCommonPacketListenerImpl(MinecraftServer server, Connection connection, CommonListenerCookie cookie) {
         this.server = server;
@@ -75,6 +76,7 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
         this.pluginMessagerChannels = cookie.channels();
         this.keepAlive = cookie.keepAlive();
         // Paper end
+        this.profile = cookie.gameProfile(); // DivineMC - Leaves Protocol Core
     }
 
     // Paper start - configuration phase API
@@ -166,6 +168,18 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
 
     @Override
     public void handleCustomPayload(ServerboundCustomPayloadPacket packet) {
+        // DivineMC start - Leaves Protocol Core
+        if (packet.payload() instanceof org.leavesmc.leaves.protocol.core.LeavesCustomPayload leavesPayload) {
+            org.leavesmc.leaves.protocol.core.LeavesProtocolManager.handlePayload(org.leavesmc.leaves.protocol.core.ProtocolUtils.createSelector(this), leavesPayload);
+            return;
+        }
+        if (packet.payload() instanceof net.minecraft.network.protocol.common.custom.DiscardedPayload(net.minecraft.resources.Identifier id, byte[] data)) {
+            if (org.leavesmc.leaves.protocol.core.LeavesProtocolManager.handleBytebuf(org.leavesmc.leaves.protocol.core.ProtocolUtils.createSelector(this), id, io.netty.buffer.Unpooled.wrappedBuffer(data))) {
+                return;
+            }
+        }
+        // DivineMC end - Leaves Protocol Core
+
         // Paper start
         if (!(packet.payload() instanceof final net.minecraft.network.protocol.common.custom.DiscardedPayload discardedPayload)) {
             return;
@@ -231,6 +245,7 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
         final String channel = new String(data, from, length, java.nio.charset.StandardCharsets.US_ASCII);
         if (register) {
             bridge.addChannel(channel);
+            org.leavesmc.leaves.protocol.core.LeavesProtocolManager.handleMinecraftRegister(channel, org.leavesmc.leaves.protocol.core.ProtocolUtils.createSelector(this)); // DivineMC - Leaves Protocol Core
         } else {
             bridge.removeChannel(channel);
         }
diff --git a/net/minecraft/server/players/PlayerList.java b/net/minecraft/server/players/PlayerList.java
index 3bcdc1dac6c3970b2d0ec23142e0dcd0880d1b91..d5b649811508b113326f459251522a962148fe9b 100644
--- a/net/minecraft/server/players/PlayerList.java
+++ b/net/minecraft/server/players/PlayerList.java
@@ -252,6 +252,8 @@ public abstract class PlayerList {
             return;
         }
 
+            org.leavesmc.leaves.protocol.core.LeavesProtocolManager.handlePlayerJoin(player); // DivineMC - Leaves Protocol Core
+
         final net.kyori.adventure.text.Component jm = playerJoinEvent.joinMessage();
 
         if (jm != null && !jm.equals(net.kyori.adventure.text.Component.empty())) { // Paper - Adventure
@@ -439,6 +441,7 @@ public abstract class PlayerList {
         return this.remove(player, net.kyori.adventure.text.Component.translatable("multiplayer.player.left", net.kyori.adventure.text.format.NamedTextColor.YELLOW, io.papermc.paper.configuration.GlobalConfiguration.get().messages.useDisplayNameInQuitMessage ? player.getBukkitEntity().displayName() : io.papermc.paper.adventure.PaperAdventure.asAdventure(player.getDisplayName())));
     }
     public net.kyori.adventure.text.@Nullable Component remove(ServerPlayer player, net.kyori.adventure.text.Component leaveMessage) {
+        org.leavesmc.leaves.protocol.core.LeavesProtocolManager.handlePlayerLeave(player); // DivineMC - Leaves Protocol Core
         // Paper end - Fix kick event leave message not being sent
         org.purpurmc.purpur.task.BossBarTask.removeFromAll(player.getBukkitEntity()); // Purpur - Implement TPSBar
         ServerLevel serverLevel = player.level();
@@ -1336,6 +1339,7 @@ public abstract class PlayerList {
             serverPlayer.connection.send(clientboundUpdateRecipesPacket);
             serverPlayer.getRecipeBook().sendInitialRecipeBook(serverPlayer);
         }
+        org.leavesmc.leaves.protocol.core.LeavesProtocolManager.handleDataPackReload(); // DivineMC - Leaves Protocol Core
     }
 
     public boolean isAllowCommandsForAllPlayers() {