feat: Leaves Vanilla hopper

origin: https://github.com/LeavesMC/Leaves/pull/621

gradle.properties

@@ -4,7 +4,7 @@ mcVersion=1.21.8
 release=2
 # 0 for skip release, 1 for pre-release, 2 for release
 
-luminolRef=2a89dc20f27aa3b6203b4f280ee8ae61cada18f7
+luminolRef=059a38cc66981740d5055dca76e156dd5f1d8162
 
 org.gradle.configuration-cache=true
 org.gradle.caching=true

lophine-server/minecraft-patches/features/0007-Add-config-to-allow-infinite-trade.patch

@@ -4,6 +4,27 @@ Date: Mon, 7 Jul 2025 16:30:54 +0800
 Subject: [PATCH] Add config to allow infinite trade
 
 
+diff --git a/net/minecraft/world/entity/npc/Villager.java b/net/minecraft/world/entity/npc/Villager.java
+index 79242037e868a140513f032e74e8594c0c6ff41c..adf4b57aeedf80128dfa03c790616f54062b33e7 100644
+--- a/net/minecraft/world/entity/npc/Villager.java
++++ b/net/minecraft/world/entity/npc/Villager.java
+@@ -490,8 +490,15 @@ public class Villager extends AbstractVillager implements ReputationEventHandler
+     }
+ 
+     private void resendOffersToTradingPlayer() {
+-        MerchantOffers offers = this.getOffers();
++        // Lophine start - infinite trade
++        MerchantOffers offers = this.getOffers().copy();
+         Player tradingPlayer = this.getTradingPlayer();
++        if (fun.bm.lophine.config.modules.misc.VillagerConfig.villagerInfiniteTrade) {
++            for (MerchantOffer merchantOffer : offers) {
++                merchantOffer.maxUses = 16384;
++            }
++        }
++        // Lophine end - infinite trade
+         if (tradingPlayer != null && !offers.isEmpty()) {
+             tradingPlayer.sendMerchantOffers(
+                 tradingPlayer.containerMenu.containerId,
 diff --git a/net/minecraft/world/item/trading/Merchant.java b/net/minecraft/world/item/trading/Merchant.java
 index 6e2fa442ddcd4ef3c4fe789b9ebac9dd409c9de7..a876335e26daec9a9a3a2f00ee5cb23cfd913aa6 100644
 --- a/net/minecraft/world/item/trading/Merchant.java

lophine-server/minecraft-patches/features/0009-Leaves-Disable-packet-limit.patch

@@ -0,0 +1,62 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Helvetica Volubi <suisuroru@blue-millennium.fun>
+Date: Sun, 27 Jul 2025 13:48:10 +0800
+Subject: [PATCH] Leaves: Disable packet limit
+
+Co-authored by: violetc <58360096+s-yh-china@users.noreply.github.com>
+As a part of : Leaves (https://github.com/LeavesMC/Leaves/blob/6a2b9ee6b330cd18b0a8eb2a824d561fa76012bb/leaves-server/minecraft-patches/features/0043-Disable-packet-limit.patch)
+Licensed under: GPL-3.0 (https://www.gnu.org/licenses/gpl-3.0.html)
+
+diff --git a/net/minecraft/network/Connection.java b/net/minecraft/network/Connection.java
+index 6dc5f3e88a3886b03b99d59b317085fdc3e2fa9a..e556bcaf2a5863073a047947f5962179d054e8d9 100644
+--- a/net/minecraft/network/Connection.java
++++ b/net/minecraft/network/Connection.java
+@@ -280,8 +280,8 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
+                 if (this.stopReadingPackets) {
+                     return;
+                 }
+-                if (this.allPacketCounts != null ||
+-                    io.papermc.paper.configuration.GlobalConfiguration.get().packetLimiter.overrides.containsKey(packet.getClass())) {
++                if (!fun.bm.lophine.config.modules.optimizations.NetworkConfig.disablePacketLimit && (this.allPacketCounts != null || // Leaves - can disable
++                    io.papermc.paper.configuration.GlobalConfiguration.get().packetLimiter.overrides.containsKey(packet.getClass()))) { // Leaves - can disable
+                     long time = System.nanoTime();
+                     synchronized (PACKET_LIMIT_LOCK) {
+                         if (this.allPacketCounts != null) {
+diff --git a/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+index 68f0023c4234585a8385a830ed410883c8bd1549..206b4a532eba02b2a1f6f3b832970bc4c94fc45b 100644
+--- a/net/minecraft/server/network/ServerGamePacketListenerImpl.java
++++ b/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+@@ -856,7 +856,7 @@ public class ServerGamePacketListenerImpl
+     public void handleCustomCommandSuggestions(ServerboundCommandSuggestionPacket packet) {
+         // PacketUtils.ensureRunningOnSameThread(packet, this, this.player.level()); // Paper - AsyncTabCompleteEvent; run this async
+         // CraftBukkit start
+-        if (!this.tabSpamThrottler.isIncrementAndUnderThreshold() && !this.server.getPlayerList().isOp(this.player.getGameProfile()) && !this.server.isSingleplayerOwner(this.player.getGameProfile())) { // Paper - configurable tab spam limits
++        if (!fun.bm.lophine.config.modules.optimizations.NetworkConfig.disablePacketLimit && !this.tabSpamThrottler.isIncrementAndUnderThreshold() && !this.server.getPlayerList().isOp(this.player.getGameProfile()) && !this.server.isSingleplayerOwner(this.player.getGameProfile())) { // Paper - configurable tab spam limits // Leaves - can disable
+             this.disconnectAsync(Component.translatable("disconnect.spam"), org.bukkit.event.player.PlayerKickEvent.Cause.SPAM); // Paper - Kick event cause // Paper - add proper async disconnect
+             return;
+         }
+@@ -2047,6 +2047,7 @@ public class ServerGamePacketListenerImpl
+     private static int getSpamThreshold() { return io.papermc.paper.configuration.GlobalConfiguration.get().spamLimiter.incomingPacketThreshold; } // Paper - Configurable threshold
+ 
+     private boolean checkLimit(long timestamp) {
++        if (fun.bm.lophine.config.modules.optimizations.NetworkConfig.disablePacketLimit) return true; // Leaves - disable
+         if (this.lastLimitedPacket != -1 && timestamp - this.lastLimitedPacket < getSpamThreshold() && this.limitedPackets++ >= 8) { // Paper - Configurable threshold; raise packet limit to 8
+             return false;
+         }
+@@ -2586,6 +2587,7 @@ public class ServerGamePacketListenerImpl
+ 
+     // Spigot start - spam exclusions
+     private void detectRateSpam(String message) {
++        if (fun.bm.lophine.config.modules.optimizations.NetworkConfig.disablePacketLimit) return; // Leaves - disable
+         // CraftBukkit start - replaced with thread safe throttle
+         if (org.spigotmc.SpigotConfig.enableSpamExclusions) {
+             for (String exclude : org.spigotmc.SpigotConfig.spamExclusions) {
+@@ -3333,7 +3335,7 @@ public class ServerGamePacketListenerImpl
+     @Override
+     public void handlePlaceRecipe(ServerboundPlaceRecipePacket packet) {
+         // Paper start - auto recipe limit
+-        if (!org.bukkit.Bukkit.isPrimaryThread()) {
++        if (!fun.bm.lophine.config.modules.optimizations.NetworkConfig.disablePacketLimit && !org.bukkit.Bukkit.isPrimaryThread()) { // Leaves - can disable
+             if (!this.recipeSpamPackets.isIncrementAndUnderThreshold()) {
+                 this.disconnectAsync(net.minecraft.network.chat.Component.translatable("disconnect.spam"), org.bukkit.event.player.PlayerKickEvent.Cause.SPAM); // Paper - kick event cause // Paper - add proper async disconnect
+                 return;

lophine-server/minecraft-patches/features/0010-Leaves-Item-overstack-util.patch

@@ -41,10 +41,10 @@ index 5a1c21b05545a03fbb00cf734605049870d3eecb..a0459bc6b2241e7fca74bfbfce058882
          if (count > i) {
              source.sendFailure(Component.translatable("commands.give.failed.toomanyitems", i, itemStack.getDisplayName()));
 diff --git a/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/net/minecraft/server/network/ServerGamePacketListenerImpl.java
-index 68f0023c4234585a8385a830ed410883c8bd1549..ebb884743989097ef7b7fa8edaa824b27cab4a7a 100644
+index 206b4a532eba02b2a1f6f3b832970bc4c94fc45b..39b5422af26fce5f1d5437ed35676b511bf13241 100644
 --- a/net/minecraft/server/network/ServerGamePacketListenerImpl.java
 +++ b/net/minecraft/server/network/ServerGamePacketListenerImpl.java
-@@ -3076,7 +3076,7 @@ public class ServerGamePacketListenerImpl
+@@ -3078,7 +3078,7 @@ public class ServerGamePacketListenerImpl
                                              } else if (slot.mayPlace(cursor)) {
                                                  if (ItemStack.isSameItemSameComponents(clickedItem, cursor)) {
                                                      int toPlace = packet.buttonNum() == 0 ? cursor.getCount() : 1;
@@ -53,7 +53,7 @@ index 68f0023c4234585a8385a830ed410883c8bd1549..ebb884743989097ef7b7fa8edaa824b2
                                                      toPlace = Math.min(toPlace, slot.container.getMaxStackSize() - clickedItem.getCount());
                                                      if (toPlace == 1) {
                                                          action = InventoryAction.PLACE_ONE;
-@@ -3112,7 +3112,7 @@ public class ServerGamePacketListenerImpl
+@@ -3114,7 +3114,7 @@ public class ServerGamePacketListenerImpl
                                                  }
                                              } else if (ItemStack.isSameItemSameComponents(cursor, clickedItem)) {
                                                  if (clickedItem.getCount() >= 0) {
@@ -62,7 +62,7 @@ index 68f0023c4234585a8385a830ed410883c8bd1549..ebb884743989097ef7b7fa8edaa824b2
                                                          // As of 1.5, this is result slots only
                                                          action = InventoryAction.PICKUP_ALL;
                                                      }
-@@ -3323,6 +3323,7 @@ public class ServerGamePacketListenerImpl
+@@ -3325,6 +3325,7 @@ public class ServerGamePacketListenerImpl
                          this.player.containerMenu.broadcastFullState();
                      } else {
                          this.player.containerMenu.broadcastChanges();
@@ -70,7 +70,7 @@ index 68f0023c4234585a8385a830ed410883c8bd1549..ebb884743989097ef7b7fa8edaa824b2
                      }
                      if (io.papermc.paper.configuration.GlobalConfiguration.get().unsupportedSettings.updateEquipmentOnPlayerActions) this.player.detectEquipmentUpdates(); // Paper - Force update attributes.
                  }
-@@ -3433,7 +3434,7 @@ public class ServerGamePacketListenerImpl
+@@ -3435,7 +3436,7 @@ public class ServerGamePacketListenerImpl
              }
  
              boolean flag1 = packet.slotNum() >= 1 && packet.slotNum() <= 45;
@@ -79,7 +79,7 @@ index 68f0023c4234585a8385a830ed410883c8bd1549..ebb884743989097ef7b7fa8edaa824b2
              if (flag || (flag1 && !ItemStack.matches(this.player.inventoryMenu.getSlot(packet.slotNum()).getItem(), packet.itemStack()))) { // Insist on valid slot
                  // CraftBukkit start - Call click event
                  org.bukkit.inventory.InventoryView inventory = this.player.inventoryMenu.getBukkitView();
-@@ -3475,6 +3476,7 @@ public class ServerGamePacketListenerImpl
+@@ -3477,6 +3478,7 @@ public class ServerGamePacketListenerImpl
                  this.player.inventoryMenu.getSlot(packet.slotNum()).setByPlayer(itemStack);
                  this.player.inventoryMenu.setRemoteSlot(packet.slotNum(), itemStack);
                  this.player.inventoryMenu.broadcastChanges();

lophine-server/minecraft-patches/features/0011-Leaves-Redstone-Shears-Wrench.patch

@@ -8,7 +8,7 @@ As a part of : Leaves (https://github.com/LeavesMC/Leaves/blob/bfde470a867b74d17
 Licensed under: GPL-3.0 (https://www.gnu.org/licenses/gpl-3.0.html)
 
 diff --git a/net/minecraft/world/item/ShearsItem.java b/net/minecraft/world/item/ShearsItem.java
-index 8cf3e51e12f9cf98836657e722edb23943f9e866..dc3e33223ac7b11a969ef1a8e3fa73a9b8b44696 100644
+index 8cf3e51e12f9cf98836657e722edb23943f9e866..155693a18bb641a930a000bc9b1ccfc853e1bae5 100644
 --- a/net/minecraft/world/item/ShearsItem.java
 +++ b/net/minecraft/world/item/ShearsItem.java
 @@ -24,6 +24,30 @@ import net.minecraft.world.level.block.GrowingPlantHeadBlock;
@@ -48,7 +48,7 @@ index 8cf3e51e12f9cf98836657e722edb23943f9e866..dc3e33223ac7b11a969ef1a8e3fa73a9
          } else {
 +            // Leaves start - shears wrench
 +            Block block = blockState.getBlock();
-+            if (fun.bm.lophine.config.modules.misc.RedStoneConfig.shears &&
++            if (fun.bm.lophine.config.modules.misc.RedStoneConfig.shears && (
 +                block instanceof ObserverBlock ||
 +                block instanceof DispenserBlock ||
 +                block instanceof PistonBaseBlock ||
@@ -63,7 +63,7 @@ index 8cf3e51e12f9cf98836657e722edb23943f9e866..dc3e33223ac7b11a969ef1a8e3fa73a9
 +                block instanceof LightningRodBlock ||
 +                block instanceof CalibratedSculkSensorBlock ||
 +                block instanceof BaseRailBlock
-+            ) {
++            )) {
 +                StateDefinition<Block, BlockState> blockstatelist = block.getStateDefinition();
 +                Property<?> iblockstate;
 +                if (block instanceof CrafterBlock) iblockstate = blockstatelist.getProperty("orientation");

lophine-server/minecraft-patches/features/0012-Leaves-Vanilla-hopper.patch

@@ -0,0 +1,86 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Helvetica Volubi <suisuroru@blue-millennium.fun>
+Date: Mon, 28 Jul 2025 01:06:40 +0800
+Subject: [PATCH] Leaves: Vanilla hopper
+
+Co-authored by: violetc <58360096+s-yh-china@users.noreply.github.com>
+As a part of : Leaves (https://github.com/LeavesMC/Leaves/blob/2c9f83c7b99178851edf5608b37b8c2adddd93cd/leaves-server/minecraft-patches/features/0095-Vanilla-hopper.patch)
+Licensed under: GPL-3.0 (https://www.gnu.org/licenses/gpl-3.0.html)
+
+diff --git a/net/minecraft/world/level/block/entity/HopperBlockEntity.java b/net/minecraft/world/level/block/entity/HopperBlockEntity.java
+index 8ba900fda7cce45679cde2b8b3272654129135ca..9d7ec9f4f18ed263540ccddf16c6c1a92d3477a4 100644
+--- a/net/minecraft/world/level/block/entity/HopperBlockEntity.java
++++ b/net/minecraft/world/level/block/entity/HopperBlockEntity.java
+@@ -280,36 +280,49 @@ public class HopperBlockEntity extends RandomizableContainerBlockEntity implemen
+         ItemStack movedItem = origItemStack;
+         final int originalItemCount = origItemStack.getCount();
+         final int movedItemCount = Math.min(level.spigotConfig.hopperAmount, originalItemCount);
+-        container.setChanged(); // original logic always marks source inv as changed even if no move happens.
+-        movedItem.setCount(movedItemCount);
+ 
+-        if (!worldData.skipPullModeEventFire) { // Folia - region threading
+-            movedItem = callPullMoveEvent(hopper, container, movedItem);
+-            if (movedItem == null) { // cancelled
++        // Leaves start - fix vanilla
++        if (fun.bm.lophine.config.modules.misc.RedStoneConfig.vanillaHopper && movedItem.getCount() <= movedItemCount) {
++            movedItem = origItemStack.copy();
++            final ItemStack remainingItem = addItem(container, hopper,  container.removeItem(i, movedItemCount), null);
++            if (remainingItem.isEmpty()) {
++                container.setChanged();
++            return true;
++        }
++            container.setItem(i, movedItem);
++        } else {
++            container.setChanged(); // original logic always marks source inv as changed even if no move happens.
++            movedItem.setCount(movedItemCount);
++
++            if (!worldData.skipPullModeEventFire) {
++                movedItem = callPullMoveEvent(hopper, container, movedItem);
++                if (movedItem == null) { // cancelled
++                    origItemStack.setCount(originalItemCount);
++                    // Drastically improve performance by returning true.
++                    // No plugin could have relied on the behavior of false as the other call
++                    // site for IMIE did not exhibit the same behavior
++                    return true;
++                }
++            }
++            final ItemStack remainingItem = addItem(container, hopper, movedItem, null);
++            final int remainingItemCount = remainingItem.getCount();
++            if (remainingItemCount != movedItemCount) {
++                origItemStack = origItemStack.copy(true);
+                 origItemStack.setCount(originalItemCount);
+-                // Drastically improve performance by returning true.
+-                // No plugin could have relied on the behavior of false as the other call
+-                // site for IMIE did not exhibit the same behavior
++                if (!origItemStack.isEmpty()) {
++                    origItemStack.setCount(originalItemCount - movedItemCount + remainingItemCount);
++                }
++
++                IGNORE_TILE_UPDATES.set(true);
++                container.setItem(i, origItemStack);
++                IGNORE_TILE_UPDATES.set(false);
++                container.setChanged();
+                 return true;
+             }
+-        }
+-
+-        final ItemStack remainingItem = addItem(container, hopper, movedItem, null);
+-        final int remainingItemCount = remainingItem.getCount();
+-        if (remainingItemCount != movedItemCount) {
+-            origItemStack = origItemStack.copy(true);
+             origItemStack.setCount(originalItemCount);
+-            if (!origItemStack.isEmpty()) {
+-                origItemStack.setCount(originalItemCount - movedItemCount + remainingItemCount);
+-            }
+ 
+-            IGNORE_TILE_UPDATES.set(true); // Folia - region threading
+-            container.setItem(i, origItemStack);
+-            IGNORE_TILE_UPDATES.set(false); // Folia - region threading
+-            container.setChanged();
+-            return true;
+         }
+-        origItemStack.setCount(originalItemCount);
++        // Leaves end - fix vanilla
+ 
+         if (level.paperConfig().hopper.cooldownWhenFull) {
+             applyCooldown(hopper);

lophine-server/src/main/java/fun/bm/lophine/config/modules/misc/RedStoneConfig.java

@@ -12,6 +12,9 @@ public class RedStoneConfig implements IConfigModule {
                     Allows you to use the Shears to right-click to rotate the block.""")
     public static boolean shears = false;
 
+    @ConfigInfo(baseName = "vanilla_hopper")
+    public static boolean vanillaHopper = false;
+
     @Override
     public EnumConfigCategory getCategory() {
         return EnumConfigCategory.MISC;

lophine-server/src/main/java/fun/bm/lophine/config/modules/optimizations/NetworkConfig.java

@@ -0,0 +1,21 @@
+package fun.bm.lophine.config.modules.optimizations;
+
+import me.earthme.luminol.config.EnumConfigCategory;
+import me.earthme.luminol.config.IConfigModule;
+import me.earthme.luminol.config.flags.ConfigInfo;
+
+public class NetworkConfig implements IConfigModule {
+    @ConfigInfo(baseName = "unlimit-packet", comments = """
+                    Disable packet limit""")
+    public static boolean disablePacketLimit = true;
+
+    @Override
+    public EnumConfigCategory getCategory() {
+        return EnumConfigCategory.OPTIMIZATIONS;
+    }
+
+    @Override
+    public String getBaseName() {
+        return "network";
+    }
+}