LeavesMC/leaves-server/unapplied/0078-Wool-Hopper-Counter.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: violetc <58360096+s-yh-china@users.noreply.github.com>
Date: Tue, 4 Feb 2025 20:18:35 +0800
Subject: [PATCH] Wool Hopper Counter

This patch is Powered by fabric-carpet(https://github.com/gnembon/fabric-carpet)

diff --git a/net/minecraft/world/level/block/entity/HopperBlockEntity.java b/net/minecraft/world/level/block/entity/HopperBlockEntity.java
index a2fe5fdf50ae731e423821a0d1c52141b478e0be..7140571ef324f823942bc2c528cb66dac9e91d94 100644
--- a/net/minecraft/world/level/block/entity/HopperBlockEntity.java
+++ b/net/minecraft/world/level/block/entity/HopperBlockEntity.java
@@ -432,6 +432,13 @@ public class HopperBlockEntity extends RandomizableContainerBlockEntity implemen
     // Paper end - Perf: Optimize Hoppers
 
     private static boolean ejectItems(Level level, BlockPos pos, HopperBlockEntity blockEntity) {
+        // Leaves start - hopper counter
+        if (org.leavesmc.leaves.util.HopperCounter.isEnabled()) {
+            if (woolHopperCounter(level, pos, level.getBlockState(pos), HopperBlockEntity.getContainerAt(level, pos))) {
+                return true;
+            }
+        }
+        // Leaves end - hopper counter
         Container attachedContainer = getAttachedContainer(level, pos, blockEntity);
         if (attachedContainer == null) {
             return false;
@@ -498,6 +505,26 @@ public class HopperBlockEntity extends RandomizableContainerBlockEntity implemen
         }
     }
 
+    // Leaves start - hopper counter
+    private static boolean woolHopperCounter(Level level, BlockPos blockPos, BlockState state, @Nullable Container container) {
+        if (container == null) {
+            return false;
+        }
+        net.minecraft.world.item.DyeColor woolColor = org.leavesmc.leaves.util.WoolUtils.getWoolColorAtPosition(level, blockPos.relative(state.getValue(HopperBlock.FACING)));
+        if (woolColor != null) {
+            for (int i = 0; i < container.getContainerSize(); ++i) {
+                if (!container.getItem(i).isEmpty()) {
+                    ItemStack itemstack = container.getItem(i);
+                    org.leavesmc.leaves.util.HopperCounter.getCounter(woolColor).add(level.getServer(), itemstack);
+                    container.setItem(i, ItemStack.EMPTY);
+                }
+            }
+            return true;
+        }
+        return false;
+    }
+    // Leaves end - hopper counter
+
     private static int[] getSlots(Container container, Direction direction) {
         if (container instanceof WorldlyContainer worldlyContainer) {
             return worldlyContainer.getSlotsForFace(direction);