Fix lag with food

src/main/java/com/mitchej123/hodgepodge/mixins/early/minecraft/MixinInventoryCrafting.java

@@ -0,0 +1,32 @@
+package com.mitchej123.hodgepodge.mixins.early.minecraft;
+
+import net.minecraft.inventory.Container;
+import net.minecraft.inventory.IInventory;
+import net.minecraft.inventory.InventoryCrafting;
+import net.minecraft.item.ItemStack;
+
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Overwrite;
+import org.spongepowered.asm.mixin.Shadow;
+
+@Mixin(InventoryCrafting.class)
+public class MixinInventoryCrafting {
+
+    @Shadow
+    private ItemStack[] stackList;
+
+    @Shadow
+    private Container eventHandler;
+
+    /**
+     * @author kuba6000
+     * @reason Optimize InventoryCrafting
+     */
+    @Overwrite
+    public void setInventorySlotContents(int index, ItemStack stack) {
+        if (stack == null && this.stackList[index] == null) return;
+        this.stackList[index] = stack;
+        this.eventHandler.onCraftMatrixChanged((IInventory) this);
+    }
+
+}