Improvements

src/main/java/com/myname/mymodid/API/ItemStackKey.java

@@ -0,0 +1,38 @@
+package com.myname.mymodid.API;
+
+
+import cpw.mods.fml.common.registry.RegistryDelegate;
+import net.minecraft.item.Item;
+
+import java.util.Objects;
+
+public class ItemStackKey {
+    private final Item item;
+    private final int meta;
+
+    public ItemStackKey(Item item, int meta) {
+        this.item = item;
+        this.meta = meta;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (o == null || getClass() != o.getClass()) return false;
+        ItemStackKey that = (ItemStackKey) o;
+        return (this.meta == that.meta) && Objects.equals(this.item, that.item);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(item, meta);
+    }
+
+    public int getDamage() {
+        return meta;
+    }
+
+    public Item getItem() {
+        return item;
+    }
+}
+