Detect and block prefilled inventories in PersonalKitCreator

Signed-off-by: Lixfel <agga-games@gmx.de>

FightSystem_10/src/de/steamwar/fightsystem/listener/PersonalKitCreator_10.java

@@ -0,0 +1,30 @@
+/*
+    This file is a part of the SteamWar software.
+
+    Copyright (C) 2020  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.fightsystem.listener;
+
+import org.bukkit.craftbukkit.v1_10_R1.inventory.CraftItemStack;
+import org.bukkit.inventory.ItemStack;
+
+class PersonalKitCreator_10 {
+
+    static boolean hasItems(ItemStack stack){
+        return CraftItemStack.asNMSCopy(stack).getTag().hasKey("Items");
+    }
+}

FightSystem_12/src/de/steamwar/fightsystem/listener/PersonalKitCreator_12.java

@@ -0,0 +1,30 @@
+/*
+    This file is a part of the SteamWar software.
+
+    Copyright (C) 2020  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.fightsystem.listener;
+
+import org.bukkit.craftbukkit.v1_12_R1.inventory.CraftItemStack;
+import org.bukkit.inventory.ItemStack;
+
+class PersonalKitCreator_12 {
+
+    static boolean hasItems(ItemStack stack){
+        return CraftItemStack.asNMSCopy(stack).getTag().hasKey("Items");
+    }
+}

FightSystem_14/src/de/steamwar/fightsystem/listener/PersonalKitCreator_14.java

@@ -19,6 +19,7 @@
 
 package de.steamwar.fightsystem.listener;
 
+import org.bukkit.craftbukkit.v1_14_R1.inventory.CraftItemStack;
 import org.bukkit.inventory.ItemStack;
 
 import java.util.Objects;
@@ -29,4 +30,8 @@ class PersonalKitCreator_14 {
     static boolean hasAttributeModifier(ItemStack stack){
         return stack.hasItemMeta() && Objects.requireNonNull(stack.getItemMeta()).hasAttributeModifiers();
     }
+
+    static boolean hasItems(ItemStack stack){
+        return CraftItemStack.asNMSCopy(stack).getTag().hasKey("Items");
+    }
 }

FightSystem_15/src/de/steamwar/fightsystem/listener/PersonalKitCreator_15.java

@@ -0,0 +1,30 @@
+/*
+    This file is a part of the SteamWar software.
+
+    Copyright (C) 2020  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.fightsystem.listener;
+
+import org.bukkit.craftbukkit.v1_15_R1.inventory.CraftItemStack;
+import org.bukkit.inventory.ItemStack;
+
+class PersonalKitCreator_15 {
+
+    static boolean hasItems(ItemStack stack){
+        return CraftItemStack.asNMSCopy(stack).getTag().hasKey("Items");
+    }
+}

FightSystem_8/src/de/steamwar/fightsystem/listener/PersonalKitCreator_8.java

@@ -0,0 +1,30 @@
+/*
+    This file is a part of the SteamWar software.
+
+    Copyright (C) 2020  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.fightsystem.listener;
+
+import org.bukkit.craftbukkit.v1_8_R3.inventory.CraftItemStack;
+import org.bukkit.inventory.ItemStack;
+
+class PersonalKitCreator_8 {
+
+    static boolean hasItems(ItemStack stack){
+        return CraftItemStack.asNMSCopy(stack).getTag().hasKey("Items");
+    }
+}

FightSystem_9/src/de/steamwar/fightsystem/listener/PersonalKitCreator_9.java

@@ -0,0 +1,30 @@
+/*
+    This file is a part of the SteamWar software.
+
+    Copyright (C) 2020  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.fightsystem.listener;
+
+import org.bukkit.craftbukkit.v1_9_R2.inventory.CraftItemStack;
+import org.bukkit.inventory.ItemStack;
+
+class PersonalKitCreator_9 {
+
+    static boolean hasItems(ItemStack stack){
+        return CraftItemStack.asNMSCopy(stack).getTag().hasKey("Items");
+    }
+}

FightSystem_Main/src/de/steamwar/fightsystem/listener/PersonalKitCreator.java

@@ -42,6 +42,8 @@ import org.bukkit.event.player.PlayerMoveEvent;
 import org.bukkit.event.player.PlayerQuitEvent;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.PlayerInventory;
+import org.bukkit.inventory.meta.BlockDataMeta;
+import org.bukkit.inventory.meta.ItemMeta;
 
 import java.util.EnumSet;
 import java.util.HashMap;
@@ -160,11 +162,38 @@ public class PersonalKitCreator extends BasicListener {
             return true;
         }
 
+        if(stack.hasItemMeta()){
+            ItemMeta meta = stack.getItemMeta();
+            if(meta instanceof BlockDataMeta && ((BlockDataMeta)meta).hasBlockData())
+                return true; //Blocks always upwards slabs etc.
+
+            if(hasItems(stack))
+                return true; //Blocks prefilled inventories
+        }
+
         Kit normal = KitManager.getKitByName(Config.MemberDefault);
         assert normal != null;
         return !normal.isEnchantmentInKit(stack) && !stack.getEnchantments().isEmpty();
     }
 
+    private static boolean hasItems(ItemStack stack){
+        switch(Core.getVersion()){
+            case 8:
+                return PersonalKitCreator_8.hasItems(stack);
+            case 9:
+                return PersonalKitCreator_9.hasItems(stack);
+            case 10:
+                return PersonalKitCreator_10.hasItems(stack);
+            case 12:
+                return PersonalKitCreator_12.hasItems(stack);
+            case 14:
+                return PersonalKitCreator_14.hasItems(stack);
+            case 15:
+            default:
+                return PersonalKitCreator_15.hasItems(stack);
+        }
+    }
+
     private static class InventoryBackup{
         private final Player player;
         private final ItemStack[] contents;