add ability to use resourcelocation only item ids for external mods

Author: thiakil

src/api/java/mekanism/api/recipes/ingredients/creator/IItemStackIngredientCreator.java

@@ -4,7 +4,11 @@
 import mekanism.api.annotations.NothingNullByDefault;
 import mekanism.api.recipes.ingredients.ItemStackIngredient;
 import net.minecraft.core.Holder;
+import net.minecraft.core.HolderLookup;
 import net.minecraft.core.component.DataComponentPredicate;
+import net.minecraft.core.registries.Registries;
+import net.minecraft.resources.ResourceKey;
+import net.minecraft.resources.ResourceLocation;
 import net.minecraft.tags.TagKey;
 import net.minecraft.world.item.Item;
 import net.minecraft.world.item.ItemStack;
@@ -195,4 +199,8 @@ default ItemStackIngredient from(Ingredient ingredient, int amount) {
     default ItemStackIngredient from(SizedIngredient ingredient) {
         return ItemStackIngredient.of(ingredient);
     }
+
+    default ItemStackIngredient from(HolderLookup.Provider registries, ResourceLocation itemId) {
+        return fromHolder(registries.lookupOrThrow(Registries.ITEM).getOrThrow(ResourceKey.create(Registries.ITEM, itemId)));
+    }
 }

src/datagen/main/java/mekanism/common/recipe/compat/CompatRecipeProvider.java

@@ -5,12 +5,16 @@
 import mekanism.api.annotations.NothingNullByDefault;
 import mekanism.common.recipe.ISubRecipeProvider;
 import mekanism.common.recipe.RecipeProviderUtil;
+import net.minecraft.core.Holder;
 import net.minecraft.core.HolderLookup;
+import net.minecraft.core.registries.Registries;
 import net.minecraft.data.recipes.RecipeOutput;
+import net.minecraft.resources.ResourceKey;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.tags.ItemTags;
 import net.minecraft.tags.TagKey;
 import net.minecraft.world.item.Item;
+import net.minecraft.world.item.ItemStack;
 import net.neoforged.neoforge.common.conditions.AndCondition;
 import net.neoforged.neoforge.common.conditions.ICondition;
 import net.neoforged.neoforge.common.conditions.ModLoadedCondition;
@@ -59,4 +63,16 @@ protected ResourceLocation rl(String path) {
     protected TagKey<Item> tag(String path) {
         return ItemTags.create(rl(path));
     }
+
+    protected Holder<Item> foreignItem(HolderLookup.Provider registries, ResourceLocation id) {
+        return registries.lookupOrThrow(Registries.ITEM).getOrThrow(ResourceKey.create(Registries.ITEM, id));
+    }
+
+    protected ItemStack foreignItemStack(HolderLookup.Provider registries, ResourceLocation id, int count) {
+        return new ItemStack(foreignItem(registries, id), count);
+    }
+
+    protected ItemStack foreignItemStack(HolderLookup.Provider registries, ResourceLocation id) {
+        return foreignItemStack(registries, id, 1);
+    }
 }