Adds item_model, max_durability, max_stack_size, and rarity item components.

paper/src/main/java/com/denizenscript/denizen/paper/datacomponents/ComponentAdaptersRegistry.java

@@ -5,5 +5,9 @@ public class ComponentAdaptersRegistry {
     public static void register() {
         DataComponentAdapter.register(new FoodAdapter());
         DataComponentAdapter.register(new GliderAdapter());
+        DataComponentAdapter.register(new ItemModelAdapter());
+        DataComponentAdapter.register(new MaxDurabilityAdapter());
+        DataComponentAdapter.register(new MaxStackSizeAdapter());
+        DataComponentAdapter.register(new RarityAdapter());
     }
 }

paper/src/main/java/com/denizenscript/denizen/paper/datacomponents/ItemModelAdapter.java

@@ -0,0 +1,36 @@
+package com.denizenscript.denizen.paper.datacomponents;
+
+import com.denizenscript.denizen.utilities.Utilities;
+import com.denizenscript.denizencore.objects.Mechanism;
+import com.denizenscript.denizencore.objects.core.ElementTag;
+import io.papermc.paper.datacomponent.DataComponentTypes;
+import net.kyori.adventure.key.Key;
+
+public class ItemModelAdapter extends DataComponentAdapter.Valued<ElementTag, Key> {
+
+    // <--[property]
+    // @object ItemTag
+    // @name item_model
+    // @input ElementTag
+    // @description
+    // Controls an item's model <@link language Item Components> in namespaced key format.
+    // The default namespace is "minecraft", so for example an input of "stone" becomes "minecraft:stone", and will set the item model to a stone block.
+    // This can also be used to display item models from your own custom resource packs.
+    // @mechanism
+    // Provide no input to reset the item to its default value.
+    // -->
+
+    public ItemModelAdapter() {
+        super(ElementTag.class, DataComponentTypes.ITEM_MODEL, "item_model");
+    }
+
+    @Override
+    public ElementTag toDenizen(Key value) {
+        return new ElementTag(value.asMinimalString(), true);
+    }
+
+    @Override
+    public Key fromDenizen(ElementTag value, Mechanism mechanism) {
+        return Utilities.parseNamespacedKey(value.asString());
+    }
+}

paper/src/main/java/com/denizenscript/denizen/paper/datacomponents/MaxDurabilityAdapter.java

@@ -0,0 +1,32 @@
+package com.denizenscript.denizen.paper.datacomponents;
+
+import com.denizenscript.denizencore.objects.Mechanism;
+import com.denizenscript.denizencore.objects.core.ElementTag;
+import io.papermc.paper.datacomponent.DataComponentTypes;
+
+public class MaxDurabilityAdapter extends DataComponentAdapter.Valued<ElementTag, Integer> {
+
+    // <--[property]
+    // @object ItemTag
+    // @name max_durability
+    // @input ElementTag(Number)
+    // @description
+    // Controls an item's max durability <@link language Item Components>.
+    // @mechanism
+    // Provide no input to reset the item to its default value.
+    // -->
+
+    public MaxDurabilityAdapter() {
+        super(ElementTag.class, DataComponentTypes.MAX_DAMAGE, "max_durability");
+    }
+
+    @Override
+    public ElementTag toDenizen(Integer value) {
+        return new ElementTag(value);
+    }
+
+    @Override
+    public Integer fromDenizen(ElementTag value, Mechanism mechanism) {
+        return mechanism.requireInteger() ? value.asInt() : null;
+    }
+}

paper/src/main/java/com/denizenscript/denizen/paper/datacomponents/MaxStackSizeAdapter.java

@@ -0,0 +1,32 @@
+package com.denizenscript.denizen.paper.datacomponents;
+
+import com.denizenscript.denizencore.objects.Mechanism;
+import com.denizenscript.denizencore.objects.core.ElementTag;
+import io.papermc.paper.datacomponent.DataComponentTypes;
+
+public class MaxStackSizeAdapter extends DataComponentAdapter.Valued<ElementTag, Integer> {
+
+    // <--[property]
+    // @object ItemTag
+    // @name max_stack_size
+    // @input ElementTag(Number)
+    // @description
+    // Controls an item's max stack size <@link language Item Components>.
+    // @mechanism
+    // Provide no input to reset the item to its default value.
+    // -->
+
+    public MaxStackSizeAdapter() {
+        super(ElementTag.class, DataComponentTypes.MAX_STACK_SIZE, "max_stack_size");
+    }
+
+    @Override
+    public ElementTag toDenizen(Integer value) {
+        return new ElementTag(value);
+    }
+
+    @Override
+    public Integer fromDenizen(ElementTag value, Mechanism mechanism) {
+        return mechanism.requireInteger() ? value.asInt() : null;
+    }
+}

paper/src/main/java/com/denizenscript/denizen/paper/datacomponents/RarityAdapter.java

@@ -0,0 +1,34 @@
+package com.denizenscript.denizen.paper.datacomponents;
+
+import com.denizenscript.denizencore.objects.Mechanism;
+import com.denizenscript.denizencore.objects.core.ElementTag;
+import io.papermc.paper.datacomponent.DataComponentTypes;
+import org.bukkit.inventory.ItemRarity;
+
+public class RarityAdapter extends DataComponentAdapter.Valued<ElementTag, ItemRarity> {
+
+    // <--[property]
+    // @object ItemTag
+    // @name rarity
+    // @input ElementTag
+    // @description
+    // Controls an item's rarity <@link language Item Components>.
+    // See <@link url https://jd.papermc.io/paper/org/bukkit/inventory/ItemRarity.html> for valid rarity values.
+    // @mechanism
+    // Provide no input to reset the item to its default value.
+    // -->
+
+    public RarityAdapter() {
+        super(ElementTag.class, DataComponentTypes.RARITY, "rarity");
+    }
+
+    @Override
+    public ElementTag toDenizen(ItemRarity value) {
+        return new ElementTag(value);
+    }
+
+    @Override
+    public ItemRarity fromDenizen(ElementTag value, Mechanism mechanism) {
+        return mechanism.requireEnum(ItemRarity.class) ? value.asEnum(ItemRarity.class) : null;
+    }
+}

plugin/src/main/java/com/denizenscript/denizen/objects/properties/item/ItemCustomModel.java

@@ -15,6 +15,7 @@ public class ItemCustomModel extends ItemProperty<ElementTag> {
     // @description
     // Controls the custom model data ID number of the item.
     // Use with no input to remove the custom model data.
+    // Prefer <@link property ItemTag.item_model> on MC 1.21+.
     // See also <@link tag ItemTag.has_custom_model_data>
     // -->
     public static boolean describes(ItemTag item) {
@@ -56,6 +57,7 @@ public static void register() {
         // @group properties
         // @description
         // Returns whether the item has a custom model data ID number set on it.
+        // Prefer <@link property ItemTag.item_model> on MC 1.21+.
         // See also <@link tag ItemTag.custom_model_data>.
         // -->
         PropertyParser.registerTag(ItemCustomModel.class, ElementTag.class, "has_custom_model_data", (attribute, prop) -> {