Add customisable inventory max sizes

src/main/java/org/mvplugins/multiverse/inventories/config/InventoriesConfig.java

@@ -281,6 +281,36 @@ public Try<Void> setRegisterPapiHook(boolean registerPapiHook) {
         return this.configHandle.set(configNodes.registerPapiHook, registerPapiHook);
     }
 
+    @ApiStatus.AvailableSince("5.2")
+    public int getMaxInventoryItemsSize() {
+        return this.configHandle.get(configNodes.maxInventoryItemsSize);
+    }
+
+    @ApiStatus.AvailableSince("5.2")
+    public Try<Void> setMaxInventoryItemsSize(int maxInventoryItemsSize) {
+        return this.configHandle.set(configNodes.maxInventoryItemsSize, maxInventoryItemsSize);
+    }
+
+    @ApiStatus.AvailableSince("5.2")
+    public int getMaxEnderChestItemsSize() {
+        return this.configHandle.get(configNodes.maxEnderChestItemsSize);
+    }
+
+    @ApiStatus.AvailableSince("5.2")
+    public Try<Void> setMaxEnderChestItemsSize(int maxEnderChestItemsSize) {
+        return this.configHandle.set(configNodes.maxEnderChestItemsSize, maxEnderChestItemsSize);
+    }
+
+    @ApiStatus.AvailableSince("5.2")
+    public int getMaxArmorItemsSize() {
+        return this.configHandle.get(configNodes.maxArmorItemsSize);
+    }
+
+    @ApiStatus.AvailableSince("5.2")
+    public Try<Void> setMaxArmorItemsSize(int maxArmorItemsSize) {
+        return this.configHandle.set(configNodes.maxArmorItemsSize, maxArmorItemsSize);
+    }
+
     /**
      * Tells whether this is the first time the plugin has run as set by a config flag.
      *

src/main/java/org/mvplugins/multiverse/inventories/config/InventoriesConfigNodes.java

@@ -8,6 +8,7 @@
 import org.mvplugins.multiverse.core.config.node.serializer.NodeSerializer;
 import org.mvplugins.multiverse.inventories.share.Sharables;
 import org.mvplugins.multiverse.inventories.share.Shares;
+import org.mvplugins.multiverse.inventories.util.PlayerStats;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -156,7 +157,6 @@ public Object serialize(Shares sharables, Class<Shares> aClass) {
             .build());
 
     final ConfigNode<Boolean> applyPlayerdataOnJoin = node(ConfigNode.builder("performance.apply-playerdata-on-join", Boolean.class)
-            .comment("")
             .comment("This will only work if save-playerdata-on-quit is set to true.")
             .comment("Minecraft will already load the most up-to-date player data and this option will generally be redundant.")
             .comment("The only possible edge case uses is if you have a need to always modify the mvinv playerdata while the player is offline.")
@@ -236,6 +236,33 @@ public Object serialize(Shares sharables, Class<Shares> aClass) {
             .name("register-papi-hook")
             .build());
 
+    private final ConfigHeaderNode maxItemsSizeHeader = node(ConfigHeaderNode.builder("misc.max-items-size")
+            .comment("")
+            .comment("These are the maximum sizes for each inventory type. You should not change these values unless")
+            .comment("you have a plugin or feature that changes the size of these inventories.")
+            .comment("-------")
+            .comment("Changing these values without a plugin or feature that increases the size of these inventories")
+            .comment("may result in errors and loss of items when switching worlds/groups. This config option is merely")
+            .comment("to resolve compatibility issues with other plugins/features that alter inventory sizes.")
+            .comment("-------")
+            .comment("One notable example is if you used purpur's config option to increase ender chest size.")
+            .build());
+
+    final ConfigNode<Integer> maxInventoryItemsSize = node(ConfigNode.builder("misc.max-items-size.inventory", Integer.class)
+            .defaultValue(PlayerStats.INVENTORY_SIZE)
+            .name("max-player-inventory-size")
+            .build());
+
+    final ConfigNode<Integer> maxEnderChestItemsSize = node(ConfigNode.builder("misc.max-items-size.ender-chest", Integer.class)
+            .defaultValue(PlayerStats.ENDER_CHEST_SIZE)
+            .name("max-ender-chest-size")
+            .build());
+
+    final ConfigNode<Integer> maxArmorItemsSize = node(ConfigNode.builder("misc.max-items-size.armor", Integer.class)
+            .defaultValue(PlayerStats.ARMOR_SIZE)
+            .name("max-inventory-title-length")
+            .build());
+
     final ConfigNode<Boolean> firstRun = node(ConfigNode.builder("first-run", Boolean.class)
             .comment("")
             .comment("")

src/main/java/org/mvplugins/multiverse/inventories/share/InventorySerializer.java

@@ -1,5 +1,6 @@
 package org.mvplugins.multiverse.inventories.share;
 
+import org.mvplugins.multiverse.inventories.MultiverseInventoriesApi;
 import org.mvplugins.multiverse.inventories.util.ItemStackConverter;
 import org.mvplugins.multiverse.inventories.util.MinecraftTools;
 import org.bukkit.Material;
@@ -12,13 +13,7 @@
  * A simple {@link SharableSerializer} usable with ItemStack[] which converts the ItemStack[] to the string format
  * that is used by default in Multiverse-Inventories.
  */
-final class InventorySerializer implements SharableSerializer<ItemStack[]> {
-
-    private final int inventorySize;
-
-    public InventorySerializer(final int inventorySize) {
-        this.inventorySize = inventorySize;
-    }
+abstract class InventorySerializer implements SharableSerializer<ItemStack[]> {
 
     @Override
     public ItemStack[] deserialize(Object obj) {
@@ -42,7 +37,7 @@ private Map<String, Object> mapSlots(ItemStack[] itemStacks) {
     }
 
     private ItemStack[] unmapSlots(Object obj) {
-        ItemStack[] inventory = new ItemStack[inventorySize];
+        ItemStack[] inventory = new ItemStack[getInventorySize()];
         if (!(obj instanceof Map invMap)) {
             return MinecraftTools.fillWithAir(inventory);
         }
@@ -61,4 +56,27 @@ private ItemStack[] unmapSlots(Object obj) {
         }
         return inventory;
     }
+
+    protected abstract int getInventorySize();
+
+    static final class MainInventorySerializer extends InventorySerializer {
+        @Override
+        protected int getInventorySize() {
+            return MultiverseInventoriesApi.get().getInventoriesConfig().getMaxInventoryItemsSize();
+        }
+    }
+
+    static final class EnderChestSerializer extends InventorySerializer {
+        @Override
+        protected int getInventorySize() {
+            return MultiverseInventoriesApi.get().getInventoriesConfig().getMaxEnderChestItemsSize();
+        }
+    }
+
+    static final class ArmorSerializer extends InventorySerializer {
+        @Override
+        protected int getInventorySize() {
+            return MultiverseInventoriesApi.get().getInventoriesConfig().getMaxArmorItemsSize();
+        }
+    }
 }

src/main/java/org/mvplugins/multiverse/inventories/share/Sharables.java

@@ -6,6 +6,7 @@
 import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.advancement.AdvancementProgress;
+import org.bukkit.inventory.Inventory;
 import org.jetbrains.annotations.ApiStatus;
 import org.mvplugins.multiverse.core.economy.MVEconomist;
 import org.mvplugins.multiverse.core.teleportation.AsyncSafetyTeleporter;
@@ -111,16 +112,21 @@ public void updateProfile(ProfileData profile, Player player) {
         @Override
         public boolean updatePlayer(Player player, ProfileData profile) {
             ItemStack[] value = profile.get(ENDER_CHEST);
+            Inventory enderChest = player.getEnderChest();
             if (value == null) {
-                player.getEnderChest().setContents(MinecraftTools.fillWithAir(
-                        new ItemStack[PlayerStats.ENDER_CHEST_SIZE]));
+                enderChest.setContents(MinecraftTools.fillWithAir(
+                        new ItemStack[enderChest.getSize()]));
                 return false;
             }
-            player.getEnderChest().setContents(value);
+            if (value.length != enderChest.getSize()) {
+                Logging.fine("Mismatch ender chest size found in profile for player " + player.getName()
+                        + ". Expected " + enderChest.getSize() + " but got " + value.length + ".");
+            }
+            enderChest.setContents(value);
             return true;
         }
     }).serializer(new ProfileEntry(false, DataStrings.ENDER_CHEST_CONTENTS),
-            new InventorySerializer(PlayerStats.ENDER_CHEST_SIZE)).altName("ender").build();
+            new InventorySerializer.EnderChestSerializer()).altName("ender").build();
 
     /**
      * Sharing Inventory.
@@ -144,7 +150,7 @@ public boolean updatePlayer(Player player, ProfileData profile) {
                     return true;
                 }
             }).serializer(new ProfileEntry(false, DataStrings.PLAYER_INVENTORY_CONTENTS),
-                    new InventorySerializer(PlayerStats.INVENTORY_SIZE)).build();
+                    new InventorySerializer.MainInventorySerializer()).build();
 
     /**
      * Sharing Armor.
@@ -168,7 +174,7 @@ public boolean updatePlayer(Player player, ProfileData profile) {
                     return true;
                 }
             }).serializer(new ProfileEntry(false, DataStrings.PLAYER_ARMOR_CONTENTS),
-                    new InventorySerializer(PlayerStats.ARMOR_SIZE)).altName("armor").build();
+                    new InventorySerializer.ArmorSerializer()).altName("armor").build();
 
     /**
      * Sharing Offhand.

src/test/resources/config/fresh_config.yml

@@ -27,6 +27,10 @@ performance:
 
 misc:
   register-papi-hook: true
+  max-items-size:
+    inventory: 36
+    ender-chest: 27
+    armor: 4
 
 first-run: true
 version: 5.0

src/test/resources/config/migrated_config.yml

@@ -28,6 +28,10 @@ performance:
 
 misc:
   register-papi-hook: true
+  max-items-size:
+    inventory: 36
+    ender-chest: 27
+    armor: 4
 
 first-run: true
 version: 5.0