Use a wrapper instead of ItemStacks for Altar recipes

src/main/java/WayofTime/bloodmagic/api/ItemStackWrapper.java

@@ -0,0 +1,53 @@
+package WayofTime.bloodmagic.api;
+
+import lombok.EqualsAndHashCode;
+import lombok.RequiredArgsConstructor;
+import net.minecraft.block.Block;
+import net.minecraft.item.Item;
+import net.minecraft.item.ItemStack;
+
+@RequiredArgsConstructor
+@EqualsAndHashCode
+public class ItemStackWrapper {
+
+    public final Item item;
+    public final int stackSize;
+    public final int meta;
+
+    public ItemStackWrapper(Item item, int stackSize) {
+        this(item, stackSize, 0);
+    }
+
+    public ItemStackWrapper(Item item) {
+        this(item, 1, 0);
+    }
+
+    public ItemStackWrapper(Block block, int stackSize, int meta) {
+        this(Item.getItemFromBlock(block), stackSize, meta);
+    }
+
+    public ItemStackWrapper(Block block, int stackSize) {
+        this(block, stackSize, 0);
+    }
+
+    public ItemStackWrapper(Block block) {
+        this(block, 1, 0);
+    }
+
+    public ItemStack toStack() {
+        return new ItemStack(item, stackSize, meta);
+    }
+
+    public String getDisplayName() {
+        return toStack().getDisplayName();
+    }
+
+    @Override
+    public String toString() {
+        return stackSize + "x" + item.getUnlocalizedName() + "@" + this.meta;
+    }
+
+    public static ItemStackWrapper getHolder(ItemStack stack) {
+        return new ItemStackWrapper(stack.getItem(), stack.stackSize, stack.getItemDamage());
+    }
+}