Imported from mc-dev:

- ShapedRecipes
- ShapelessRecipes
- CraftingRecipe
- FurnaceRecipes

src/main/java/net/minecraft/server/ShapelessRecipes.java

@@ -0,0 +1,59 @@
+package net.minecraft.server;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+public class ShapelessRecipes implements CraftingRecipe {
+
+    private final ItemStack a;
+    private final List b;
+
+    public ShapelessRecipes(ItemStack itemstack, List list) {
+        this.a = itemstack;
+        this.b = list;
+    }
+
+    public ItemStack b() {
+        return this.a;
+    }
+
+    public boolean a(InventoryCrafting inventorycrafting) {
+        ArrayList arraylist = new ArrayList(this.b);
+
+        for (int i = 0; i < 3; ++i) {
+            for (int j = 0; j < 3; ++j) {
+                ItemStack itemstack = inventorycrafting.b(j, i);
+
+                if (itemstack != null) {
+                    boolean flag = false;
+                    Iterator iterator = arraylist.iterator();
+
+                    while (iterator.hasNext()) {
+                        ItemStack itemstack1 = (ItemStack) iterator.next();
+
+                        if (itemstack.id == itemstack1.id && (itemstack1.getData() == -1 || itemstack.getData() == itemstack1.getData())) {
+                            flag = true;
+                            arraylist.remove(itemstack1);
+                            break;
+                        }
+                    }
+
+                    if (!flag) {
+                        return false;
+                    }
+                }
+            }
+        }
+
+        return arraylist.isEmpty();
+    }
+
+    public ItemStack b(InventoryCrafting inventorycrafting) {
+        return this.a.cloneItemStack();
+    }
+
+    public int a() {
+        return this.b.size();
+    }
+}