Add InventoryListener

BauSystem_Main/src/de/steamwar/bausystem/features/world/InventoryListener.java

@@ -0,0 +1,71 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2021  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.features.world;
+
+import de.steamwar.bausystem.linkage.LinkageType;
+import de.steamwar.bausystem.linkage.Linked;
+import de.steamwar.core.Core;
+import org.bukkit.Material;
+import org.bukkit.attribute.Attribute;
+import org.bukkit.enchantments.Enchantment;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.inventory.InventoryClickEvent;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
+
+@Linked(LinkageType.LISTENER)
+public class InventoryListener implements Listener {
+
+    @EventHandler
+    public void onInventoryClick(InventoryClickEvent e) {
+        ItemStack stack = e.getCursor();
+        if (stack == null || !stack.hasItemMeta()) {
+            return;
+        }
+        assert stack.getItemMeta() != null;
+        if (stack.getItemMeta().hasEnchants()) {
+            for (Enchantment en : Enchantment.values()) {
+                if (stack.getEnchantmentLevel(en) > en.getMaxLevel()) {
+                    stack.removeEnchantment(en);
+                }
+            }
+        }
+
+        Material material = stack.getType();
+        if (material == Material.POTION || material == Material.SPLASH_POTION || material == Material.LINGERING_POTION) {
+            stack.setType(Material.MILK_BUCKET);
+        }
+
+        if (Core.getVersion() < 15) {
+            e.setCurrentItem(stack);
+            return;
+        }
+
+        if (stack.getItemMeta().hasAttributeModifiers()) {
+            ItemMeta meta = stack.getItemMeta();
+            for (Attribute a : Attribute.values()) {
+                meta.removeAttributeModifier(a);
+            }
+            stack.setItemMeta(meta);
+        }
+        e.setCurrentItem(stack);
+    }
+}