add smelting enchantment

src/main/java/me/youhavetrouble/enchantio/enchants/SmeltingEnchant.java

@@ -0,0 +1,96 @@
+package me.youhavetrouble.enchantio.enchants;
+
+import io.papermc.paper.registry.RegistryKey;
+import io.papermc.paper.registry.data.EnchantmentRegistryEntry;
+import io.papermc.paper.registry.tag.TagKey;
+import io.papermc.paper.tag.TagEntry;
+import net.kyori.adventure.key.Key;
+import net.kyori.adventure.text.Component;
+import org.bukkit.inventory.EquipmentSlotGroup;
+import org.bukkit.inventory.ItemType;
+
+import java.util.Set;
+
+@SuppressWarnings("UnstableApiUsage")
+public class SmeltingEnchant implements EnchantioEnchant {
+
+    public static final Key KEY = Key.key("enchantio:smelting");
+
+    private final int anvilCost, weight;
+    private final EnchantmentRegistryEntry.EnchantmentCost minimumCost;
+    private final EnchantmentRegistryEntry.EnchantmentCost maximumCost;
+    private final boolean canGetFromEnchantingTable;
+    private final Set<TagEntry<ItemType>> supportedItemTags;
+
+    public SmeltingEnchant(
+            int anvilCost,
+            int weight,
+            EnchantmentRegistryEntry.EnchantmentCost minimumCost,
+            EnchantmentRegistryEntry.EnchantmentCost maximumCost,
+            boolean canGetFromEnchantingTable,
+            Set<TagEntry<ItemType>> supportedItemTags
+    ) {
+        this.anvilCost = anvilCost;
+        this.weight = weight;
+        this.minimumCost = minimumCost;
+        this.maximumCost = maximumCost;
+        this.canGetFromEnchantingTable = canGetFromEnchantingTable;
+        this.supportedItemTags = supportedItemTags;
+    }
+
+    @Override
+    public Key getKey() {
+        return KEY;
+    }
+
+    @Override
+    public Component getDescription() {
+        return Component.translatable("enchantio.enchant.smelting", "Smelting");
+    }
+
+    @Override
+    public int getAnvilCost() {
+        return anvilCost;
+    }
+
+    @Override
+    public int getMaxLevel() {
+        return 1;
+    }
+
+    @Override
+    public int getWeight() {
+        return weight;
+    }
+
+    @Override
+    public EnchantmentRegistryEntry.EnchantmentCost getMinimumCost() {
+        return minimumCost;
+    }
+
+    @Override
+    public EnchantmentRegistryEntry.EnchantmentCost getMaximumCost() {
+        return maximumCost;
+    }
+
+    @Override
+    public Iterable<EquipmentSlotGroup> getActiveSlots() {
+        return Set.of(EquipmentSlotGroup.ANY);
+    }
+
+    @Override
+    public boolean canGetFromEnchantingTable() {
+        return canGetFromEnchantingTable;
+    }
+
+    @Override
+    public TagKey<ItemType> getTagForSupportedItems() {
+        return TagKey.create(RegistryKey.ITEM, Key.key("enchantio:smelting_enchantable"));
+    }
+
+    @Override
+    public Set<TagEntry<ItemType>> getSupportedItems() {
+        return supportedItemTags;
+    }
+
+}