阻止低版本将自定义物品放到马上

bukkit/src/main/java/net/momirealms/craftengine/bukkit/item/BukkitItemManager.java

@@ -6,6 +6,9 @@ import net.momirealms.craftengine.bukkit.item.behavior.BoneMealItemBehavior;
 import net.momirealms.craftengine.bukkit.item.behavior.BucketItemBehavior;
 import net.momirealms.craftengine.bukkit.item.behavior.WaterBucketItemBehavior;
 import net.momirealms.craftengine.bukkit.item.factory.BukkitItemFactory;
+import net.momirealms.craftengine.bukkit.item.listener.ArmorEventListener;
+import net.momirealms.craftengine.bukkit.item.listener.DebugStickListener;
+import net.momirealms.craftengine.bukkit.item.listener.ItemEventListener;
 import net.momirealms.craftengine.bukkit.nms.FastNMS;
 import net.momirealms.craftengine.bukkit.plugin.BukkitCraftEngine;
 import net.momirealms.craftengine.bukkit.util.ItemUtils;
@@ -63,6 +66,7 @@ public class BukkitItemManager extends AbstractItemManager<ItemStack> {
     private final BukkitCraftEngine plugin;
     private final ItemEventListener itemEventListener;
     private final DebugStickListener debugStickListener;
+    private final ArmorEventListener armorEventListener;
     private final ItemParser itemParser;
 
     public BukkitItemManager(BukkitCraftEngine plugin) {
@@ -72,6 +76,7 @@ public class BukkitItemManager extends AbstractItemManager<ItemStack> {
         this.factory = BukkitItemFactory.create(plugin);
         this.itemEventListener = new ItemEventListener(plugin);
         this.debugStickListener = new DebugStickListener(plugin);
+        this.armorEventListener = new ArmorEventListener();
         this.itemParser = new ItemParser();
         this.registerAllVanillaItems();
         if (plugin.hasMod()) {
@@ -130,6 +135,7 @@ public class BukkitItemManager extends AbstractItemManager<ItemStack> {
     public void delayedInit() {
         Bukkit.getPluginManager().registerEvents(this.itemEventListener, this.plugin.bootstrap());
         Bukkit.getPluginManager().registerEvents(this.debugStickListener, this.plugin.bootstrap());
+        Bukkit.getPluginManager().registerEvents(this.armorEventListener, this.plugin.bootstrap());
     }
 
     public static BukkitItemManager instance() {
@@ -162,6 +168,7 @@ public class BukkitItemManager extends AbstractItemManager<ItemStack> {
         this.unload();
         HandlerList.unregisterAll(this.itemEventListener);
         HandlerList.unregisterAll(this.debugStickListener);
+        HandlerList.unregisterAll(this.armorEventListener);
     }
 
     @Override

bukkit/src/main/java/net/momirealms/craftengine/bukkit/item/listener/ArmorEventListener.java

@@ -0,0 +1,102 @@
+package net.momirealms.craftengine.bukkit.item.listener;
+
+import net.momirealms.craftengine.bukkit.api.CraftEngineItems;
+import net.momirealms.craftengine.bukkit.util.ItemUtils;
+import net.momirealms.craftengine.core.util.VersionHelper;
+import org.bukkit.Material;
+import org.bukkit.entity.Horse;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.inventory.InventoryAction;
+import org.bukkit.event.inventory.InventoryClickEvent;
+import org.bukkit.event.inventory.InventoryDragEvent;
+import org.bukkit.event.player.PlayerInteractEntityEvent;
+import org.bukkit.inventory.HorseInventory;
+import org.bukkit.inventory.ItemStack;
+
+import java.util.Map;
+
+public class ArmorEventListener implements Listener {
+
+    // 只有在没有equippable组件的版本才生效，阻止自定义物品放到马上
+    // 低版本没有自定义盔甲，所以完全不需要考虑能放置上去的情况
+    @EventHandler(ignoreCancelled = true)
+    public void onInteractHorse(PlayerInteractEntityEvent event) {
+        if (VersionHelper.isOrAbove1_21_2()) return;
+        if (event.getRightClicked() instanceof Horse horse) {
+            ItemStack itemInHand = event.getPlayer().getInventory().getItem(event.getHand());
+            if (horse.getInventory().getArmor() == null) {
+                switch (itemInHand.getType()) {
+                    case LEATHER_HORSE_ARMOR, IRON_HORSE_ARMOR, GOLDEN_HORSE_ARMOR, DIAMOND_HORSE_ARMOR -> {
+                        if (CraftEngineItems.isCustomItem(itemInHand)) {
+                            event.setCancelled(true);
+                        }
+                    }
+                }
+            } else if (horse.getInventory().getSaddle() == null) {
+                if (itemInHand.getType() == Material.SADDLE) {
+                    if (CraftEngineItems.isCustomItem(itemInHand)) {
+                        event.setCancelled(true);
+                    }
+                }
+            }
+        }
+    }
+
+    // 处理低版本的马物品栏
+    @EventHandler(ignoreCancelled = true)
+    public void onMoveItemInHorseInventory(InventoryClickEvent event) {
+        if (VersionHelper.isOrAbove1_21_2()) return;
+        if (!(event.getInventory() instanceof HorseInventory horseInventory)) {
+            return;
+        }
+        if (event.getClickedInventory() == event.getWhoClicked().getInventory()) {
+            ItemStack currentItem = event.getCurrentItem();
+            if (event.getAction() == InventoryAction.MOVE_TO_OTHER_INVENTORY) {
+                if (currentItem != null && CraftEngineItems.isCustomItem(currentItem)) {
+                    event.setCancelled(true);
+                }
+            }
+        } else if (event.getClickedInventory() == horseInventory) {
+            ItemStack itemInCursor = event.getCursor();
+            if (event.getAction() == InventoryAction.SWAP_WITH_CURSOR || event.getAction() == InventoryAction.PLACE_ALL || event.getAction() == InventoryAction.PLACE_ONE) {
+                if (!ItemUtils.isEmpty(itemInCursor) && CraftEngineItems.isCustomItem(itemInCursor)) {
+                    event.setCancelled(true);
+                    return;
+                }
+            }
+            if (event.getAction() == InventoryAction.HOTBAR_SWAP) {
+                int slot = event.getHotbarButton();
+                if (slot != -1) {
+                    ItemStack itemInHotBar = event.getWhoClicked().getInventory().getItem(slot);
+                    if (!ItemUtils.isEmpty(itemInHotBar) && CraftEngineItems.isCustomItem(itemInHotBar)) {
+                        event.setCancelled(true);
+                        return;
+                    }
+                } else {
+                    ItemStack offHand = event.getWhoClicked().getInventory().getItemInOffHand();
+                    if (!ItemUtils.isEmpty(offHand) && CraftEngineItems.isCustomItem(offHand)) {
+                        event.setCancelled(true);
+                        return;
+                    }
+                }
+            }
+        }
+    }
+
+    @EventHandler(ignoreCancelled = true)
+    public void onMoveItemInHorseInventory(InventoryDragEvent event) {
+        if (VersionHelper.isOrAbove1_21_2()) return;
+        if (!(event.getInventory() instanceof HorseInventory horseInventory)) {
+            return;
+        }
+        for (Map.Entry<Integer, ItemStack> item : event.getNewItems().entrySet()) {
+            if (item.getKey() == 0 || item.getKey() == 1) {
+                if (!ItemUtils.isEmpty(item.getValue()) && CraftEngineItems.isCustomItem(item.getValue())) {
+                    event.setCancelled(true);
+                    return;
+                }
+            }
+        }
+    }
+}

bukkit/src/main/java/net/momirealms/craftengine/bukkit/item/listener/DebugStickListener.java

@@ -1,8 +1,9 @@
-package net.momirealms.craftengine.bukkit.item;
+package net.momirealms.craftengine.bukkit.item.listener;
 
 import net.kyori.adventure.text.Component;
 import net.momirealms.craftengine.bukkit.api.CraftEngineBlocks;
 import net.momirealms.craftengine.bukkit.block.BukkitBlockManager;
+import net.momirealms.craftengine.bukkit.item.BukkitItemManager;
 import net.momirealms.craftengine.bukkit.plugin.BukkitCraftEngine;
 import net.momirealms.craftengine.bukkit.plugin.user.BukkitServerPlayer;
 import net.momirealms.craftengine.bukkit.util.BlockStateUtils;

bukkit/src/main/java/net/momirealms/craftengine/bukkit/item/listener/ItemEventListener.java

@@ -1,4 +1,4 @@
-package net.momirealms.craftengine.bukkit.item;
+package net.momirealms.craftengine.bukkit.item.listener;
 
 import net.kyori.adventure.text.Component;
 import net.kyori.adventure.text.format.NamedTextColor;

gradle.properties

@@ -2,7 +2,7 @@ org.gradle.jvmargs=-Xmx1G
 
 # Project settings
 # Rule: [major update].[feature update].[bug fix]
-project_version=0.0.53.5
+project_version=0.0.53.6
 config_version=32
 lang_version=12
 project_group=net.momirealms