Patch CoFH Core to not rely on Ingredient.itemStacks

forge/build.gradle

@@ -60,6 +60,7 @@ dependencies {
 
     modCompileOnly("curse.maven:supermartijncore-454372:4455391")
     modCompileOnly("vazkii.patchouli:Patchouli:1.19.2-77")
+    modCompileOnly("curse.maven:cofhcore-69162:5374122")
 
     // runtime remapping at home
     for (extraModJar in fileTree(dir: extraModsDir, include: '*.jar')) {

forge/src/main/java/org/embeddedt/modernfix/forge/mixin/perf/faster_ingredients/CofhIngredientWithCountMixin.java

@@ -0,0 +1,45 @@
+package org.embeddedt.modernfix.forge.mixin.perf.faster_ingredients;
+
+import cofh.lib.util.crafting.IngredientWithCount;
+import net.minecraft.world.item.ItemStack;
+import net.minecraft.world.item.crafting.Ingredient;
+import org.embeddedt.modernfix.annotation.RequiresMod;
+import org.spongepowered.asm.mixin.Final;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Overwrite;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.Unique;
+
+import java.util.stream.Stream;
+
+@Mixin(IngredientWithCount.class)
+@RequiresMod("cofh_core")
+public class CofhIngredientWithCountMixin extends Ingredient {
+    @Shadow @Final private Ingredient wrappedIngredient;
+    @Shadow @Final private int count;
+
+    @Unique
+    private ItemStack[] mfix$itemStacksWithAdjustedCount;
+
+    protected CofhIngredientWithCountMixin(Stream<? extends Value> values) {
+        super(values);
+    }
+
+    /**
+     * @author embeddedt
+     * @reason reimplement in a way that doesn't rely on the itemStacks implementation detail of the wrapped ingredient
+     */
+    @Overwrite
+    public ItemStack[] getItems() {
+        if (this.mfix$itemStacksWithAdjustedCount == null) {
+            ItemStack[] originalItems = this.wrappedIngredient.getItems();
+            var newItems = new ItemStack[originalItems.length];
+            for (int i = 0; i < originalItems.length; i++) {
+                newItems[i] = originalItems[i].copy();
+                newItems[i].setCount(this.count);
+            }
+            this.mfix$itemStacksWithAdjustedCount = newItems;
+        }
+        return this.mfix$itemStacksWithAdjustedCount;
+    }
+}