Fixed Sentient Sword

Fixed the sentient sword so that it now extends `SwordItem`

src/main/java/wayoftime/bloodmagic/common/item/BMItemTier.java

@@ -0,0 +1,62 @@
+package wayoftime.bloodmagic.common.item;
+
+import java.util.function.Supplier;
+
+import net.minecraft.item.IItemTier;
+import net.minecraft.item.crafting.Ingredient;
+import net.minecraft.util.LazyValue;
+
+public enum BMItemTier implements IItemTier
+{
+	SENTIENT(4, 512, 6.0F, 2.0F, 50, () -> {
+		return Ingredient.fromItems(BloodMagicItems.IMBUED_SLATE.get());
+	});
+
+	private final int harvestLevel;
+	private final int maxUses;
+	private final float efficiency;
+	private final float attackDamage;
+	private final int enchantability;
+	private final LazyValue<Ingredient> repairMaterial;
+
+	private BMItemTier(int harvestLevelIn, int maxUsesIn, float efficiencyIn, float attackDamageIn, int enchantabilityIn, Supplier<Ingredient> repairMaterialIn)
+	{
+		this.harvestLevel = harvestLevelIn;
+		this.maxUses = maxUsesIn;
+		this.efficiency = efficiencyIn;
+		this.attackDamage = attackDamageIn;
+		this.enchantability = enchantabilityIn;
+		this.repairMaterial = new LazyValue<>(repairMaterialIn);
+	}
+
+	public int getMaxUses()
+	{
+		return this.maxUses;
+	}
+
+	public float getEfficiency()
+	{
+		return this.efficiency;
+	}
+
+	public float getAttackDamage()
+	{
+		return this.attackDamage;
+	}
+
+	public int getHarvestLevel()
+	{
+		return this.harvestLevel;
+	}
+
+	public int getEnchantability()
+	{
+		return this.enchantability;
+	}
+
+	public Ingredient getRepairMaterial()
+	{
+		return this.repairMaterial.getValue();
+	}
+
+}