From 9199a1cd2c3801f89c9a0b81c796b385dc447588 Mon Sep 17 00:00:00 2001
From: XiaoMoMi <littlemomi@qq.com>
Date: Sat, 14 Jun 2025 04:44:01 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E5=A0=86=E8=82=A5=E6=88=90?=
 =?UTF-8?q?=E5=8A=9F=E7=8E=87?=
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---
 .../bukkit/item/listener/ItemEventListener.java   | 10 ++++++++++
 .../craftengine/core/item/ItemSettings.java       | 15 +++++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/item/listener/ItemEventListener.java b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/item/listener/ItemEventListener.java
index b827d63e2..4a86e42cc 100644
--- a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/item/listener/ItemEventListener.java
+++ b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/item/listener/ItemEventListener.java
@@ -1,5 +1,6 @@
 package net.momirealms.craftengine.bukkit.item.listener;
 
+import io.papermc.paper.event.block.CompostItemEvent;
 import net.momirealms.craftengine.bukkit.api.event.CustomBlockInteractEvent;
 import net.momirealms.craftengine.bukkit.block.BukkitBlockManager;
 import net.momirealms.craftengine.bukkit.plugin.BukkitCraftEngine;
@@ -428,4 +429,13 @@ public class ItemEventListener implements Listener {
             event.setCancelled(true);
         }
     }
+
+    @EventHandler(ignoreCancelled = true)
+    public void onCompost(CompostItemEvent event) {
+        ItemStack itemToCompost = event.getItem();
+        Item<ItemStack> wrapped = this.plugin.itemManager().wrap(itemToCompost);
+        Optional<CustomItem<ItemStack>> optionalCustomItem = wrapped.getCustomItem();
+        if (optionalCustomItem.isEmpty()) return;
+        event.setWillRaiseLevel(RandomUtils.generateRandomFloat(0, 1) < optionalCustomItem.get().settings().compostProbability());
+    }
 }
diff --git a/core/src/main/java/net/momirealms/craftengine/core/item/ItemSettings.java b/core/src/main/java/net/momirealms/craftengine/core/item/ItemSettings.java
index ea6e079d4..b908dbcd1 100644
--- a/core/src/main/java/net/momirealms/craftengine/core/item/ItemSettings.java
+++ b/core/src/main/java/net/momirealms/craftengine/core/item/ItemSettings.java
@@ -37,6 +37,7 @@ public class ItemSettings {
     Key craftRemainder = null;
     List<DamageSource> invulnerable = List.of();
     boolean canEnchant = true;
+    float compostProbability= 0.5f;
 
     private ItemSettings() {}
 
@@ -77,6 +78,7 @@ public class ItemSettings {
         newSettings.craftRemainder = settings.craftRemainder;
         newSettings.invulnerable = settings.invulnerable;
         newSettings.canEnchant = settings.canEnchant;
+        newSettings.compostProbability = settings.compostProbability;
         return newSettings;
     }
 
@@ -157,6 +159,10 @@ public class ItemSettings {
         return invulnerable;
     }
 
+    public float compostProbability() {
+        return compostProbability;
+    }
+
     public ItemSettings repairItems(List<AnvilRepairItem> items) {
         this.anvilRepairItems = items;
         return this;
@@ -172,6 +178,11 @@ public class ItemSettings {
         return this;
     }
 
+    public ItemSettings compostProbability(float chance) {
+        this.compostProbability = chance;
+        return this;
+    }
+
     public ItemSettings canRepair(boolean canRepair) {
         this.canRepair = canRepair;
         return this;
@@ -323,6 +334,10 @@ public class ItemSettings {
                 Map<String, Object> args = MiscUtils.castToMap(value, false);
                 return settings -> settings.helmet(new Helmet(SoundData.create(args.getOrDefault("equip-sound", "minecraft:intentionally_empty"), 1f, 1f)));
             }));
+            registerFactory("compost-probability", (value -> {
+                float chance = ResourceConfigUtils.getAsFloat(value, "compost-probability");
+                return settings -> settings.compostProbability(chance);
+            }));
             registerFactory("dyeable", (value -> {
                 boolean bool = (boolean) value;
                 return settings -> settings.dyeable(bool);