Just Enough API

- replace (most?) calls to deprecated JEI-API features
- improve rotation for the /c u angle command

src/main/java/com/simibubi/create/compat/jei/BlueprintTransferHandler.java

@@ -1,17 +1,23 @@
 package com.simibubi.create.compat.jei;
 
+import javax.annotation.ParametersAreNonnullByDefault;
+
+import org.jetbrains.annotations.Nullable;
+
 import com.simibubi.create.content.curiosities.tools.BlueprintAssignCompleteRecipePacket;
 import com.simibubi.create.content.curiosities.tools.BlueprintContainer;
 import com.simibubi.create.foundation.networking.AllPackets;
 
-import mezz.jei.api.gui.IRecipeLayout;
+import mezz.jei.api.gui.ingredient.IRecipeSlotsView;
 import mezz.jei.api.recipe.transfer.IRecipeTransferError;
 import mezz.jei.api.recipe.transfer.IRecipeTransferHandler;
+import net.minecraft.MethodsReturnNonnullByDefault;
 import net.minecraft.world.entity.player.Player;
-import net.minecraft.world.item.crafting.Recipe;
+import net.minecraft.world.item.crafting.CraftingRecipe;
 
-@SuppressWarnings("rawtypes")
-public class BlueprintTransferHandler implements IRecipeTransferHandler<BlueprintContainer, Recipe> {
+@ParametersAreNonnullByDefault
+@MethodsReturnNonnullByDefault
+public class BlueprintTransferHandler implements IRecipeTransferHandler<BlueprintContainer, CraftingRecipe> {
 
 	@Override
 	public Class<BlueprintContainer> getContainerClass() {
@@ -19,20 +25,16 @@ public class BlueprintTransferHandler implements IRecipeTransferHandler<Blueprin
 	}
 
 	@Override
-	public Class<Recipe> getRecipeClass() {
-		return Recipe.class;
+	public Class<CraftingRecipe> getRecipeClass() {
+		return CraftingRecipe.class;
 	}
 
 	@Override
-	public IRecipeTransferError transferRecipe(BlueprintContainer container, Recipe recipe,
-		IRecipeLayout recipeLayout, Player player, boolean maxTransfer, boolean doTransfer) {
-		if (!(recipe instanceof Recipe))
-			return null;
+	public @Nullable IRecipeTransferError transferRecipe(BlueprintContainer container, CraftingRecipe craftingRecipe, IRecipeSlotsView recipeSlots, Player player, boolean maxTransfer, boolean doTransfer) {
 		if (!doTransfer)
 			return null;
-		Recipe<?> iRecipe = (Recipe<?>) recipe;
-		// Continued server-side in BlueprintItem.assignCompleteRecipe()
-		AllPackets.channel.sendToServer(new BlueprintAssignCompleteRecipePacket(iRecipe.getId()));
+
+		AllPackets.channel.sendToServer(new BlueprintAssignCompleteRecipePacket(craftingRecipe.getId()));
 		return null;
 	}
 

src/main/java/com/simibubi/create/compat/jei/CreateJEI.java

@@ -8,11 +8,10 @@ import java.util.function.Consumer;
 import java.util.function.Function;
 import java.util.function.Predicate;
 import java.util.function.Supplier;
-import java.util.stream.Collectors;
 
 import javax.annotation.Nonnull;
+import javax.annotation.ParametersAreNonnullByDefault;
 
-import com.google.common.base.Predicates;
 import com.simibubi.create.AllBlocks;
 import com.simibubi.create.AllFluids;
 import com.simibubi.create.AllItems;
@@ -61,7 +60,7 @@ import com.simibubi.create.foundation.utility.recipe.IRecipeTypeInfo;
 
 import mezz.jei.api.IModPlugin;
 import mezz.jei.api.JeiPlugin;
-import mezz.jei.api.constants.VanillaRecipeCategoryUid;
+import mezz.jei.api.constants.RecipeTypes;
 import mezz.jei.api.recipe.category.IRecipeCategory;
 import mezz.jei.api.registration.IGuiHandlerRegistration;
 import mezz.jei.api.registration.IRecipeCatalystRegistration;
@@ -83,6 +82,7 @@ import net.minecraftforge.fml.ModList;
 
 @JeiPlugin
 @SuppressWarnings("unused")
+@ParametersAreNonnullByDefault
 public class CreateJEI implements IModPlugin {
 
 	private static final ResourceLocation ID = Create.asResource("jei_plugin");
@@ -94,24 +94,29 @@ public class CreateJEI implements IModPlugin {
 		allCategories.clear();
 		CreateRecipeCategory<?>
 
-		milling = register("milling", MillingCategory::new).addTypedRecipes(AllRecipeTypes.MILLING)
+				milling = register("milling", MillingCategory::new)
+						.addTypedRecipes(AllRecipeTypes.MILLING)
 						.catalyst(AllBlocks.MILLSTONE::get)
 						.build(),
 
-			crushing = register("crushing", CrushingCategory::new).addTypedRecipes(AllRecipeTypes.CRUSHING)
+				crushing = register("crushing", CrushingCategory::new)
+						.addTypedRecipes(AllRecipeTypes.CRUSHING)
 						.addTypedRecipesExcluding(AllRecipeTypes.MILLING::getType, AllRecipeTypes.CRUSHING::getType)
 						.catalyst(AllBlocks.CRUSHING_WHEEL::get)
 						.build(),
 
-			pressing = register("pressing", PressingCategory::new).addTypedRecipes(AllRecipeTypes.PRESSING)
+				pressing = register("pressing", PressingCategory::new)
+						.addTypedRecipes(AllRecipeTypes.PRESSING)
 						.catalyst(AllBlocks.MECHANICAL_PRESS::get)
 						.build(),
 
-			washing = register("fan_washing", FanWashingCategory::new).addTypedRecipes(AllRecipeTypes.SPLASHING)
+				washing = register("fan_washing", FanWashingCategory::new)
+						.addTypedRecipes(AllRecipeTypes.SPLASHING)
 						.catalystStack(ProcessingViaFanCategory.getFan("fan_washing"))
 						.build(),
 
-			smoking = register("fan_smoking", FanSmokingCategory::new).addTypedRecipes(() -> RecipeType.SMOKING)
+				smoking = register("fan_smoking", FanSmokingCategory::new)
+						.addTypedRecipes(() -> RecipeType.SMOKING)
 						.catalystStack(ProcessingViaFanCategory.getFan("fan_smoking"))
 						.build(),
 
@@ -146,8 +151,7 @@ public class CreateJEI implements IModPlugin {
 						.enableWhen(c -> c.allowShapelessInMixer)
 						.build(),
 
-			brewing =
-				register("automatic_brewing", MixingCategory::autoBrewing).addRecipes(() -> PotionMixingRecipes.ALL)
+				brewing = register("automatic_brewing", MixingCategory::autoBrewing).addRecipes(() -> PotionMixingRecipes.ALL)
 						.catalyst(AllBlocks.MECHANICAL_MIXER::get)
 						.catalyst(AllBlocks.BASIN::get)
 						.build(),
@@ -156,18 +160,14 @@ public class CreateJEI implements IModPlugin {
 						.catalyst(AllBlocks.MECHANICAL_SAW::get)
 						.build(),
 
-			blockCutting =
-				register("block_cutting", () -> new BlockCuttingCategory(Items.STONE_BRICK_STAIRS))
-					.addRecipes(() -> CondensedBlockCuttingRecipe.condenseRecipes(getTypedRecipesExcluding(
-						RecipeType.STONECUTTING, recipe -> AllRecipeTypes.shouldIgnoreInAutomation(recipe))))
+				blockCutting = register("block_cutting", () -> new BlockCuttingCategory(Items.STONE_BRICK_STAIRS))
+						.addRecipes(() -> CondensedBlockCuttingRecipe.condenseRecipes(getTypedRecipesExcluding(RecipeType.STONECUTTING, AllRecipeTypes::shouldIgnoreInAutomation)))
 						.catalyst(AllBlocks.MECHANICAL_SAW::get)
 						.enableWhen(c -> c.allowStonecuttingOnSaw)
 						.build(),
 
 				woodCutting = register("wood_cutting", () -> new BlockCuttingCategory(Items.OAK_STAIRS))
-				.addRecipes(() -> CondensedBlockCuttingRecipe
-					.condenseRecipes(getTypedRecipesExcluding(SawTileEntity.woodcuttingRecipeType.get(),
-						recipe -> AllRecipeTypes.shouldIgnoreInAutomation(recipe))))
+						.addRecipes(() -> CondensedBlockCuttingRecipe.condenseRecipes(getTypedRecipesExcluding(SawTileEntity.woodcuttingRecipeType.get(), AllRecipeTypes::shouldIgnoreInAutomation)))
 						.catalyst(AllBlocks.MECHANICAL_SAW::get)
 						.enableWhenBool(c -> c.allowWoodcuttingOnSaw.get() && ModList.get()
 								.isLoaded("druidcraft"))
@@ -241,7 +241,7 @@ public class CreateJEI implements IModPlugin {
 	}
 
 	private <T extends Recipe<?>> CategoryBuilder<T> register(String name, Supplier<CreateRecipeCategory<T>> supplier) {
-		return new CategoryBuilder<T>(name, supplier);
+		return new CategoryBuilder<>(name, supplier);
 	}
 
 	@Override
@@ -252,7 +252,7 @@ public class CreateJEI implements IModPlugin {
 
 	@Override
 	public void registerRecipeTransferHandlers(IRecipeTransferRegistration registration) {
-		registration.addRecipeTransferHandler(new BlueprintTransferHandler(), VanillaRecipeCategoryUid.CRAFTING);
+		registration.addRecipeTransferHandler(new BlueprintTransferHandler(), RecipeTypes.CRAFTING);
 	}
 
 	@Override
@@ -272,15 +272,15 @@ public class CreateJEI implements IModPlugin {
 	@Override
 	public void registerRecipes(IRecipeRegistration registration) {
 		ingredientManager = registration.getIngredientManager();
-		allCategories.forEach(c -> c.recipes.forEach(s -> registration.addRecipes(s.get(), c.getUid())));
 
-		registration.addRecipes(ToolboxColoringRecipeMaker.createRecipes()
-			.collect(Collectors.toList()), VanillaRecipeCategoryUid.CRAFTING);
+		allCategories.forEach(c -> c.registerRecipes(registration));
+
+		registration.addRecipes(RecipeTypes.CRAFTING, ToolboxColoringRecipeMaker.createRecipes().toList());
 	}
 
 	@Override
 	public void registerRecipeCatalysts(IRecipeCatalystRegistration registration) {
-		allCategories.forEach(c -> c.recipeCatalysts.forEach(s -> registration.addRecipeCatalyst(s.get(), c.getUid())));
+		allCategories.forEach(c -> c.recipeCatalysts.forEach(s -> registration.addRecipeCatalyst(s.get(), c.getRecipeType())));
 	}
 
 	@SuppressWarnings({ "unchecked", "rawtypes" })
@@ -295,29 +295,30 @@ public class CreateJEI implements IModPlugin {
 	}
 
 	private class CategoryBuilder<T extends Recipe<?>> {
-		private CreateRecipeCategory<T> category;
-		private List<Consumer<List<Recipe<?>>>> recipeListConsumers = new ArrayList<>();
-		private Predicate<CRecipes> pred;
+		private final CreateRecipeCategory<T> category;
+		private final List<Consumer<List<T>>> recipeListConsumers = new ArrayList<>();
+		private Predicate<CRecipes> predicate;
 
 		public CategoryBuilder(String name, Supplier<CreateRecipeCategory<T>> category) {
 			this.category = category.get();
 			this.category.setCategoryId(name);
-			pred = Predicates.alwaysTrue();
+			mezz.jei.api.recipe.RecipeType<T> recipeType = this.category.getRecipeType();
+			predicate = cRecipes -> true;
 		}
 
-		public CategoryBuilder<T> addRecipeListConsumer(Consumer<List<Recipe<?>>> consumer) {
+		public CategoryBuilder<T> addRecipeListConsumer(Consumer<List<T>> consumer) {
 			recipeListConsumers.add(consumer);
 			return this;
 		}
 
-		public CategoryBuilder<T> addRecipes(Supplier<Collection<? extends Recipe<?>>> collection) {
+		public CategoryBuilder<T> addRecipes(Supplier<Collection<? extends T>> collection) {
 			return addRecipeListConsumer(recipes -> recipes.addAll(collection.get()));
 		}
 
 		public CategoryBuilder<T> addAllRecipesIf(Predicate<Recipe<?>> pred) {
 			return addRecipeListConsumer(recipes -> consumeAllRecipes(recipe -> {
 				if (pred.test(recipe)) {
-					recipes.add(recipe);
+					recipes.add((T) recipe);
 				}
 			}));
 		}
@@ -335,19 +336,15 @@ public class CreateJEI implements IModPlugin {
 		}
 
 		public CategoryBuilder<T> addTypedRecipes(Supplier<RecipeType<? extends T>> recipeType) {
-			return addRecipeListConsumer(recipes -> consumeTypedRecipes(recipes::add, recipeType.get()));
+			return addRecipeListConsumer(recipes -> CreateJEI.<T>consumeTypedRecipes(recipes::add, recipeType.get()));
 		}
 
-		public CategoryBuilder<T> addTypedRecipes(Supplier<RecipeType<? extends T>> recipeType,
-			Function<Recipe<?>, T> converter) {
-			return addRecipeListConsumer(recipes -> consumeTypedRecipes(recipe -> {
-				recipes.add(converter.apply(recipe));
-			}, recipeType.get()));
+		public CategoryBuilder<T> addTypedRecipes(Supplier<RecipeType<? extends T>> recipeType, Function<Recipe<?>, T> converter) {
+			return addRecipeListConsumer(recipes -> CreateJEI.<T>consumeTypedRecipes(recipe -> recipes.add(converter.apply(recipe)), recipeType.get()));
 		}
 
-		public CategoryBuilder<T> addTypedRecipesIf(Supplier<RecipeType<? extends T>> recipeType,
-			Predicate<Recipe<?>> pred) {
-			return addRecipeListConsumer(recipes -> consumeTypedRecipes(recipe -> {
+		public CategoryBuilder<T> addTypedRecipesIf(Supplier<RecipeType<? extends T>> recipeType, Predicate<Recipe<?>> pred) {
+			return addRecipeListConsumer(recipes -> CreateJEI.<T>consumeTypedRecipes(recipe -> {
 				if (pred.test(recipe)) {
 					recipes.add(recipe);
 				}
@@ -358,7 +355,7 @@ public class CreateJEI implements IModPlugin {
 			Supplier<RecipeType<? extends T>> excluded) {
 			return addRecipeListConsumer(recipes -> {
 				List<Recipe<?>> excludedRecipes = getTypedRecipes(excluded.get());
-				consumeTypedRecipes(recipe -> {
+				CreateJEI.<T>consumeTypedRecipes(recipe -> {
 					for (Recipe<?> excludedRecipe : excludedRecipes) {
 						if (doInputsMatch(recipe, excludedRecipe)) {
 							return;
@@ -394,21 +391,20 @@ public class CreateJEI implements IModPlugin {
 		}
 
 		public CategoryBuilder<T> enableWhen(Function<CRecipes, ConfigBool> configValue) {
-			pred = c -> configValue.apply(c)
-				.get();
+			predicate = c -> configValue.apply(c).get();
 			return this;
 		}
 
 		public CategoryBuilder<T> enableWhenBool(Function<CRecipes, Boolean> configValue) {
-			pred = configValue::apply;
+			predicate = configValue::apply;
 			return this;
 		}
 
 		public CreateRecipeCategory<T> build() {
-			if (pred.test(AllConfigs.SERVER.recipes))
+			if (predicate.test(AllConfigs.SERVER.recipes))
 				category.recipes.add(() -> {
-					List<Recipe<?>> recipes = new ArrayList<>();
-					for (Consumer<List<Recipe<?>>> consumer : recipeListConsumers)
+					List<T> recipes = new ArrayList<>();
+					for (Consumer<List<T>> consumer : recipeListConsumers)
 						consumer.accept(recipes);
 					return recipes;
 				});
@@ -426,13 +422,12 @@ public class CreateJEI implements IModPlugin {
 			.forEach(consumer);
 	}
 
-	public static void consumeTypedRecipes(Consumer<Recipe<?>> consumer, RecipeType<?> type) {
+	public static <T extends Recipe<?>> void consumeTypedRecipes(Consumer<T> consumer, RecipeType<?> type) {
 		Map<ResourceLocation, Recipe<?>> map = Minecraft.getInstance()
 			.getConnection()
 			.getRecipeManager().recipes.get(type);
 		if (map != null) {
-			map.values()
-				.forEach(consumer);
+			map.values().forEach(recipe -> consumer.accept((T) recipe));
 		}
 	}
 
@@ -461,11 +456,9 @@ public class CreateJEI implements IModPlugin {
 		if (matchingStacks.length == 0) {
 			return false;
 		}
-		if (recipe2.getIngredients()
+		return recipe2.getIngredients()
 				.get(0)
-			.test(matchingStacks[0]))
-			return true;
-		return false;
+				.test(matchingStacks[0]);
 	}
 
 }

src/main/java/com/simibubi/create/compat/jei/category/BasinCategory.java

@@ -2,7 +2,8 @@ package com.simibubi.create.compat.jei.category;
 
 import java.util.ArrayList;
 import java.util.List;
-import java.util.stream.Collectors;
+
+import javax.annotation.ParametersAreNonnullByDefault;
 
 import org.apache.commons.lang3.mutable.MutableInt;
 
@@ -11,6 +12,7 @@ import com.simibubi.create.AllBlocks;
 import com.simibubi.create.AllItems;
 import com.simibubi.create.content.contraptions.processing.BasinRecipe;
 import com.simibubi.create.content.contraptions.processing.HeatCondition;
+import com.simibubi.create.content.contraptions.processing.ProcessingOutput;
 import com.simibubi.create.content.contraptions.processing.burner.BlazeBurnerBlock.HeatLevel;
 import com.simibubi.create.foundation.fluid.FluidIngredient;
 import com.simibubi.create.foundation.gui.AllGuiTextures;
@@ -19,20 +21,20 @@ import com.simibubi.create.foundation.utility.Lang;
 import com.simibubi.create.foundation.utility.Pair;
 
 import mezz.jei.api.constants.VanillaTypes;
-import mezz.jei.api.gui.IRecipeLayout;
+import mezz.jei.api.gui.builder.IRecipeLayoutBuilder;
 import mezz.jei.api.gui.drawable.IDrawable;
-import mezz.jei.api.gui.ingredient.IGuiFluidStackGroup;
-import mezz.jei.api.gui.ingredient.IGuiItemStackGroup;
-import mezz.jei.api.ingredients.IIngredients;
+import mezz.jei.api.gui.ingredient.IRecipeSlotsView;
+import mezz.jei.api.recipe.IFocusGroup;
+import mezz.jei.api.recipe.RecipeIngredientRole;
 import net.minecraft.client.Minecraft;
-import net.minecraft.core.NonNullList;
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.item.crafting.Ingredient;
 import net.minecraftforge.fluids.FluidStack;
 
+@ParametersAreNonnullByDefault
 public class BasinCategory extends CreateRecipeCategory<BasinRecipe> {
 
-	private boolean needsHeating;
+	private final boolean needsHeating;
 
 	public BasinCategory(boolean needsHeating, IDrawable icon, IDrawable background) {
 		super(icon, background);
@@ -45,129 +47,86 @@ public class BasinCategory extends CreateRecipeCategory<BasinRecipe> {
 	}
 
 	@Override
-	public void setIngredients(BasinRecipe recipe, IIngredients ingredients) {
-		List<Ingredient> itemIngredients = new ArrayList<>(recipe.getIngredients());
+	public void setRecipe(IRecipeLayoutBuilder builder, BasinRecipe recipe, IFocusGroup focuses) {
+		List<Pair<Ingredient, MutableInt>> condensedIngredients = ItemHelper.condenseIngredients(recipe.getIngredients());
 
-		HeatCondition requiredHeat = recipe.getRequiredHeat();
-		if (!requiredHeat.testBlazeBurner(HeatLevel.NONE))
-			itemIngredients.add(Ingredient.of(AllBlocks.BLAZE_BURNER.get()));
-		if (!requiredHeat.testBlazeBurner(HeatLevel.KINDLED))
-			itemIngredients.add(Ingredient.of(AllItems.BLAZE_CAKE.get()));
-
-		ingredients.setInputIngredients(itemIngredients);
-		ingredients.setInputLists(VanillaTypes.FLUID, recipe.getFluidIngredients()
-			.stream()
-			.map(FluidIngredient::getMatchingFluidStacks)
-			.collect(Collectors.toList()));
-		if (!recipe.getRollableResults()
-			.isEmpty())
-			ingredients.setOutput(VanillaTypes.ITEM, recipe.getResultItem());
-		if (!recipe.getFluidResults()
-			.isEmpty())
-			ingredients.setOutputs(VanillaTypes.FLUID, recipe.getFluidResults());
-	}
-
-	@Override
-	public void setRecipe(IRecipeLayout recipeLayout, BasinRecipe recipe, IIngredients iingredients) {
-		IGuiItemStackGroup itemStacks = recipeLayout.getItemStacks();
-		IGuiFluidStackGroup fluidStacks = recipeLayout.getFluidStacks();
-
-		NonNullList<FluidIngredient> fluidIngredients = recipe.getFluidIngredients();
-		List<Pair<Ingredient, MutableInt>> ingredients = ItemHelper.condenseIngredients(recipe.getIngredients());
-		List<ItemStack> itemOutputs = recipe.getRollableResultsAsItemStacks();
-		NonNullList<FluidStack> fluidOutputs = recipe.getFluidResults();
-
-		int size = ingredients.size() + fluidIngredients.size();
+		int size = condensedIngredients.size() + recipe.getFluidIngredients().size();
 		int xOffset = size < 3 ? (3 - size) * 19 / 2 : 0;
-		int yOffset = 0;
+		int i = 0;
 
-		int i;
-		for (i = 0; i < ingredients.size(); i++) {
-			itemStacks.init(i, true, 16 + xOffset + (i % 3) * 19, 50 - (i / 3) * 19 + yOffset);
+		for (Pair<Ingredient, MutableInt> pair : condensedIngredients) {
 			List<ItemStack> stacks = new ArrayList<>();
-			Pair<Ingredient, MutableInt> pair = ingredients.get(i);
-			Ingredient ingredient = pair.getFirst();
-			MutableInt amount = pair.getSecond();
-
-			for (ItemStack itemStack : ingredient.getItems()) {
-				ItemStack stack = itemStack.copy();
-				stack.setCount(amount.getValue());
-				stacks.add(stack);
+			for (ItemStack itemStack : pair.getFirst().getItems()) {
+				ItemStack copy = itemStack.copy();
+				copy.setCount(pair.getSecond().getValue());
+				stacks.add(copy);
 			}
 
-			itemStacks.set(i, stacks);
-		}
-
-		int j;
-		for (j = 0; j < fluidIngredients.size(); j++) {
-			int i2 = i + j;
-			fluidStacks.init(j, true, 17 + xOffset + (i2 % 3) * 19, 51 - (i2 / 3) * 19 + yOffset);
-			List<FluidStack> stacks = fluidIngredients.get(j)
-				.getMatchingFluidStacks();
-			fluidStacks.set(j, withImprovedVisibility(stacks));
-		}
-
-		int outSize = fluidOutputs.size() + recipe.getRollableResults()
-			.size();
-		int outputIndex = 0;
-		
-		if (!itemOutputs.isEmpty())
-			addStochasticTooltip(itemStacks, recipe.getRollableResults(), i);
-		
-		for (; outputIndex < outSize; outputIndex++) {
-			int xPosition = 141 - (outSize % 2 != 0 && outputIndex == outSize - 1 ? 0 : outputIndex % 2 == 0 ? 10 : -9);
-			int yPosition = -19 * (outputIndex / 2) + 50 + yOffset;
-
-			if (itemOutputs.size() > outputIndex) {
-				itemStacks.init(i, false, xPosition, yPosition + yOffset);
-				itemStacks.set(i, itemOutputs.get(outputIndex));
+			builder
+					.addSlot(RecipeIngredientRole.INPUT, 17 + xOffset + (i % 3) * 19, 51 - (i / 3) * 19)
+					.setBackground(getRenderedSlot(), -1, -1)
+					.addItemStacks(stacks);
+			i++;
+		}
+		for (FluidIngredient fluidIngredient : recipe.getFluidIngredients()) {
+			builder
+					.addSlot(RecipeIngredientRole.INPUT, 17 + xOffset + (i % 3) * 19, 51 - (i / 3) * 19)
+					.setBackground(getRenderedSlot(), -1, -1)
+					.addIngredients(VanillaTypes.FLUID, withImprovedVisibility(fluidIngredient.getMatchingFluidStacks()))
+					.addTooltipCallback(addFluidTooltip(fluidIngredient.getRequiredAmount()));
 			i++;
-			} else {
-				fluidStacks.init(j, false, xPosition + 1, yPosition + 1 + yOffset);
-				fluidStacks.set(j, withImprovedVisibility(fluidOutputs.get(outputIndex - itemOutputs.size())));
-				j++;
 		}
 
+		size = recipe.getRollableResults().size() + recipe.getFluidResults().size();
+		i = 0;
+
+		for (ProcessingOutput result : recipe.getRollableResults()) {
+			int xPosition = 142 - (size % 2 != 0 && i == size - 1 ? 0 : i % 2 == 0 ? 10 : -9);
+			int yPosition = -19 * (i / 2) + 51;
+
+			builder
+					.addSlot(RecipeIngredientRole.OUTPUT, xPosition, yPosition)
+					.setBackground(getRenderedSlot(result), -1, -1)
+					.addItemStack(result.getStack())
+					.addTooltipCallback(addStochasticTooltip(result));
+			i++;
 		}
 
-		addFluidTooltip(fluidStacks, fluidIngredients, fluidOutputs);
+		for (FluidStack fluidResult : recipe.getFluidResults()) {
+			int xPosition = 142 - (size % 2 != 0 && i == size - 1 ? 0 : i % 2 == 0 ? 10 : -9);
+			int yPosition = -19 * (i / 2) + 51;
+
+			builder
+					.addSlot(RecipeIngredientRole.OUTPUT, xPosition, yPosition)
+					.setBackground(getRenderedSlot(), -1, -1)
+					.addIngredient(VanillaTypes.FLUID, withImprovedVisibility(fluidResult))
+					.addTooltipCallback(addFluidTooltip(fluidResult.getAmount()));
+			i++;
+		}
 
 		HeatCondition requiredHeat = recipe.getRequiredHeat();
 		if (!requiredHeat.testBlazeBurner(HeatLevel.NONE)) {
-			itemStacks.init(i, true, 133, 80);
-			itemStacks.set(i, AllBlocks.BLAZE_BURNER.asStack());
-			i++;
+			builder
+					.addSlot(RecipeIngredientRole.RENDER_ONLY, 134, 81)
+					.addItemStack(AllBlocks.BLAZE_BURNER.asStack());
 		}
 		if (!requiredHeat.testBlazeBurner(HeatLevel.KINDLED)) {
-			itemStacks.init(i, true, 152, 80);
-			itemStacks.set(i, AllItems.BLAZE_CAKE.asStack());
-			i++;
+			builder
+					.addSlot(RecipeIngredientRole.CATALYST, 153, 81)
+					.addItemStack(AllItems.BLAZE_CAKE.asStack());
 		}
 	}
 
 	@Override
-	public void draw(BasinRecipe recipe, PoseStack matrixStack, double mouseX, double mouseY) {
-		List<Pair<Ingredient, MutableInt>> actualIngredients = ItemHelper.condenseIngredients(recipe.getIngredients());
-
-		int size = actualIngredients.size() + recipe.getFluidIngredients()
-			.size();
-		int outSize = recipe.getFluidResults().size() + recipe.getRollableResults().size();
-		
-		int xOffset = size < 3 ? (3 - size) * 19 / 2 : 0;
+	public void draw(BasinRecipe recipe, IRecipeSlotsView recipeSlotsView, PoseStack matrixStack, double mouseX, double mouseY) {
 		HeatCondition requiredHeat = recipe.getRequiredHeat();
-		int yOffset = 0;
-
-		for (int i = 0; i < size; i++)
-			AllGuiTextures.JEI_SLOT.render(matrixStack, 16 + xOffset + (i % 3) * 19, 50 - (i / 3) * 19 + yOffset);
 
 		boolean noHeat = requiredHeat == HeatCondition.NONE;
 
-		int vRows = (1 + outSize) / 2;
-		for (int i = 0; i < outSize; i++)
-			AllGuiTextures.JEI_SLOT.render(matrixStack,
-				141 - (outSize % 2 != 0 && i == outSize - 1 ? 0 : i % 2 == 0 ? 10 : -9), -19 * (i / 2) + 50 + yOffset);
+		int vRows = (1 + recipe.getFluidResults().size() + recipe.getRollableResults().size()) / 2;
+
 		if (vRows <= 2)
-			AllGuiTextures.JEI_DOWN_ARROW.render(matrixStack, 136, -19 * (vRows - 1) + 32 + yOffset);
+			AllGuiTextures.JEI_DOWN_ARROW.render(matrixStack, 136, -19 * (vRows - 1) + 32);
 
 		AllGuiTextures shadow = noHeat ? AllGuiTextures.JEI_SHADOW : AllGuiTextures.JEI_LIGHT;
 		shadow.render(matrixStack, 81, 58 + (noHeat ? 10 : 30));

src/main/java/com/simibubi/create/compat/jei/category/BlockCuttingCategory.java

@@ -4,6 +4,8 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
+import javax.annotation.ParametersAreNonnullByDefault;
+
 import com.mojang.blaze3d.vertex.PoseStack;
 import com.simibubi.create.AllBlocks;
 import com.simibubi.create.compat.jei.category.BlockCuttingCategory.CondensedBlockCuttingRecipe;
@@ -11,10 +13,10 @@ import com.simibubi.create.compat.jei.category.animations.AnimatedSaw;
 import com.simibubi.create.foundation.gui.AllGuiTextures;
 import com.simibubi.create.foundation.item.ItemHelper;
 
-import mezz.jei.api.constants.VanillaTypes;
-import mezz.jei.api.gui.IRecipeLayout;
-import mezz.jei.api.gui.ingredient.IGuiItemStackGroup;
-import mezz.jei.api.ingredients.IIngredients;
+import mezz.jei.api.gui.builder.IRecipeLayoutBuilder;
+import mezz.jei.api.gui.ingredient.IRecipeSlotsView;
+import mezz.jei.api.recipe.IFocusGroup;
+import mezz.jei.api.recipe.RecipeIngredientRole;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.world.item.Item;
 import net.minecraft.world.item.ItemStack;
@@ -22,9 +24,10 @@ import net.minecraft.world.item.crafting.Ingredient;
 import net.minecraft.world.item.crafting.Recipe;
 import net.minecraft.world.item.crafting.StonecutterRecipe;
 
+@ParametersAreNonnullByDefault
 public class BlockCuttingCategory extends CreateRecipeCategory<CondensedBlockCuttingRecipe> {
 
-	private AnimatedSaw saw = new AnimatedSaw();
+	private final AnimatedSaw saw = new AnimatedSaw();
 
 	public BlockCuttingCategory(Item symbol) {
 		super(doubleItemIcon(AllBlocks.MECHANICAL_SAW.get(), symbol), emptyBackground(177, 70)); // Items.STONE_BRICK_STAIRS
@@ -36,36 +39,29 @@ public class BlockCuttingCategory extends CreateRecipeCategory<CondensedBlockCut
 	}
 
 	@Override
-	public void setIngredients(CondensedBlockCuttingRecipe recipe, IIngredients ingredients) {
-		ingredients.setInputIngredients(recipe.getIngredients());
-		ingredients.setOutputs(VanillaTypes.ITEM, recipe.getOutputs());
-	}
-
-	@Override
-	public void setRecipe(IRecipeLayout recipeLayout, CondensedBlockCuttingRecipe recipe, IIngredients ingredients) {
-		IGuiItemStackGroup itemStacks = recipeLayout.getItemStacks();
-		itemStacks.init(0, true, 4, 4);
-		itemStacks.set(0, Arrays.asList(recipe.getIngredients().get(0).getItems()));
-
+	public void setRecipe(IRecipeLayoutBuilder builder, CondensedBlockCuttingRecipe recipe, IFocusGroup focuses) {
 		List<List<ItemStack>> results = recipe.getCondensedOutputs();
-		for (int outputIndex = 0; outputIndex < results.size(); outputIndex++) {
-			int xOffset = (outputIndex % 5) * 19;
-			int yOffset = (outputIndex / 5) * -19;
 
-			itemStacks.init(outputIndex + 1, false, 77 + xOffset, 47 + yOffset);
-			itemStacks.set(outputIndex + 1, results.get(outputIndex));
+		builder
+				.addSlot(RecipeIngredientRole.INPUT, 5, 5)
+				.setBackground(getRenderedSlot(), -1 , -1)
+				.addItemStacks(Arrays.asList(recipe.getIngredients().get(0).getItems()));
+
+		int i = 0;
+		for (List<ItemStack> itemStacks : results) {
+			int xPos = 78 + (i % 5) * 19;
+			int yPos = 48 + (i / 5) * -19;
+
+			builder
+					.addSlot(RecipeIngredientRole.OUTPUT, xPos, yPos)
+					.setBackground(getRenderedSlot(), -1 , -1)
+					.addItemStacks(itemStacks);
+			i++;
 		}
 	}
 
 	@Override
-	public void draw(CondensedBlockCuttingRecipe recipe, PoseStack matrixStack, double mouseX, double mouseY) {
-		AllGuiTextures.JEI_SLOT.render(matrixStack, 4, 4);
-		int size = Math.min(recipe.getOutputs().size(), 15);
-		for (int i = 0; i < size; i++) {
-			int xOffset = (i % 5) * 19;
-			int yOffset = (i / 5) * -19;
-			AllGuiTextures.JEI_SLOT.render(matrixStack, 77 + xOffset, 47 + yOffset);
-		}
+	public void draw(CondensedBlockCuttingRecipe recipe, IRecipeSlotsView recipeSlotsView, PoseStack matrixStack, double mouseX, double mouseY) {
 		AllGuiTextures.JEI_DOWN_ARROW.render(matrixStack, 31, 6);
 		AllGuiTextures.JEI_SHADOW.render(matrixStack, 33 - 17, 37 + 13);
 		saw.draw(matrixStack, 33, 37);

src/main/java/com/simibubi/create/compat/jei/category/CreateRecipeCategory.java

@@ -2,26 +2,32 @@ package com.simibubi.create.compat.jei.category;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Optional;
 import java.util.function.Supplier;
 import java.util.stream.Collectors;
 
+import javax.annotation.ParametersAreNonnullByDefault;
+
+import org.jetbrains.annotations.NotNull;
+
+import com.mojang.blaze3d.vertex.PoseStack;
 import com.simibubi.create.AllFluids;
 import com.simibubi.create.Create;
 import com.simibubi.create.compat.jei.DoubleItemIcon;
 import com.simibubi.create.compat.jei.EmptyBackground;
 import com.simibubi.create.content.contraptions.fluids.potion.PotionFluidHandler;
 import com.simibubi.create.content.contraptions.processing.ProcessingOutput;
-import com.simibubi.create.content.contraptions.processing.ProcessingRecipe;
-import com.simibubi.create.foundation.fluid.FluidIngredient;
 import com.simibubi.create.foundation.gui.AllGuiTextures;
 import com.simibubi.create.foundation.utility.Lang;
 
+import mezz.jei.api.constants.VanillaTypes;
 import mezz.jei.api.gui.drawable.IDrawable;
-import mezz.jei.api.gui.ingredient.IGuiFluidStackGroup;
-import mezz.jei.api.gui.ingredient.IGuiItemStackGroup;
 import mezz.jei.api.gui.ingredient.IRecipeSlotTooltipCallback;
+import mezz.jei.api.recipe.RecipeType;
 import mezz.jei.api.recipe.category.IRecipeCategory;
+import mezz.jei.api.registration.IRecipeRegistration;
 import net.minecraft.ChatFormatting;
+import net.minecraft.MethodsReturnNonnullByDefault;
 import net.minecraft.network.chat.Component;
 import net.minecraft.network.chat.TextComponent;
 import net.minecraft.resources.ResourceLocation;
@@ -30,15 +36,20 @@ import net.minecraft.world.item.crafting.Recipe;
 import net.minecraft.world.level.ItemLike;
 import net.minecraftforge.fluids.FluidStack;
 
+@ParametersAreNonnullByDefault
+@MethodsReturnNonnullByDefault
 public abstract class CreateRecipeCategory<T extends Recipe<?>> implements IRecipeCategory<T> {
 
-	public final List<Supplier<List<? extends Recipe<?>>>> recipes = new ArrayList<>();
+	public final List<Supplier<List<T>>> recipes = new ArrayList<>();
 	public final List<Supplier<? extends ItemStack>> recipeCatalysts = new ArrayList<>();
 
-	protected ResourceLocation uid;
 	protected String name;
-	private IDrawable background;
-	private IDrawable icon;
+	protected RecipeType<T> type;
+	private final IDrawable background;
+	private final IDrawable icon;
+
+	private static final IDrawable basicSlot = asDrawable(AllGuiTextures.JEI_SLOT);
+	private static final IDrawable chanceSlot = asDrawable(AllGuiTextures.JEI_CHANCE_SLOT);
 
 	public CreateRecipeCategory(IDrawable icon, IDrawable background) {
 		this.background = background;
@@ -46,13 +57,22 @@ public abstract class CreateRecipeCategory<T extends Recipe<?>> implements IReci
 	}
 
 	public void setCategoryId(String name) {
-		this.uid = Create.asResource(name);
 		this.name = name;
+		this.type = RecipeType.create(Create.ID, name, getRecipeClass());
 	}
 
 	@Override
 	public ResourceLocation getUid() {
-		return uid;
+		return getRecipeType().getUid();
+	}
+
+	@Override
+	public abstract Class<? extends T> getRecipeClass();
+
+	@NotNull
+	@Override
+	public RecipeType<T> getRecipeType() {
+		return type;
 	}
 
 	@Override
@@ -70,19 +90,23 @@ public abstract class CreateRecipeCategory<T extends Recipe<?>> implements IReci
 		return icon;
 	}
 
-	public static AllGuiTextures getRenderedSlot(Recipe<?> recipe, int index) {
-		AllGuiTextures jeiSlot = AllGuiTextures.JEI_SLOT;
-		if (!(recipe instanceof ProcessingRecipe))
-			return jeiSlot;
-		ProcessingRecipe<?> processingRecipe = (ProcessingRecipe<?>) recipe;
-		List<ProcessingOutput> rollableResults = processingRecipe.getRollableResults();
-		if (rollableResults.size() <= index)
-			return jeiSlot;
-		if (processingRecipe.getRollableResults()
-			.get(index)
-			.getChance() == 1)
-			return jeiSlot;
-		return AllGuiTextures.JEI_CHANCE_SLOT;
+	public void registerRecipes(IRecipeRegistration registration) {
+		recipes.forEach(s -> registration.addRecipes(getRecipeType(), s.get()));
+	}
+
+	public static IDrawable getRenderedSlot() {
+		return basicSlot;
+	}
+
+	public static IDrawable getRenderedSlot(ProcessingOutput output) {
+		return getRenderedSlot(output.getChance());
+	}
+
+	public static IDrawable getRenderedSlot(float chance) {
+		if (chance == 1)
+			return basicSlot;
+
+		return chanceSlot;
 	}
 
 	public static IDrawable emptyBackground(int width, int height) {
@@ -97,25 +121,6 @@ public abstract class CreateRecipeCategory<T extends Recipe<?>> implements IReci
 		return new DoubleItemIcon(() -> new ItemStack(item), () -> ItemStack.EMPTY);
 	}
 
-	public static void addStochasticTooltip(IGuiItemStackGroup itemStacks, List<ProcessingOutput> results) {
-		addStochasticTooltip(itemStacks, results, 1);
-	}
-
-	public static void addStochasticTooltip(IGuiItemStackGroup itemStacks, List<ProcessingOutput> results,
-		int startIndex) {
-		itemStacks.addTooltipCallback((slotIndex, input, ingredient, tooltip) -> {
-			if (input)
-				return;
-			if (slotIndex < startIndex)
-				return;
-			ProcessingOutput output = results.get(slotIndex - startIndex);
-			float chance = output.getChance();
-			if (chance != 1)
-				tooltip.add(1, Lang.translate("recipe.processing.chance", chance < 0.01 ? "<1" : (int) (chance * 100))
-					.withStyle(ChatFormatting.GOLD));
-		});
-	}
-
 	public static IRecipeSlotTooltipCallback addStochasticTooltip(ProcessingOutput output) {
 		return (view, tooltip) -> {
 			float chance = output.getChance();
@@ -138,46 +143,59 @@ public abstract class CreateRecipeCategory<T extends Recipe<?>> implements IReci
 		return display;
 	}
 
-	public static void addFluidTooltip(IGuiFluidStackGroup fluidStacks, List<FluidIngredient> inputs,
-		List<FluidStack> outputs) {
-		addFluidTooltip(fluidStacks, inputs, outputs, -1);
+	public static IRecipeSlotTooltipCallback addFluidTooltip() {
+		return addFluidTooltip(-1);
 	}
 
-	public static void addFluidTooltip(IGuiFluidStackGroup fluidStacks, List<FluidIngredient> inputs,
-		List<FluidStack> outputs, int index) {
-		List<Integer> amounts = new ArrayList<>();
-		inputs.forEach(f -> amounts.add(f.getRequiredAmount()));
-		outputs.forEach(f -> amounts.add(f.getAmount()));
-
-		fluidStacks.addTooltipCallback((slotIndex, input, fluid, tooltip) -> {
-			if (index != -1 && slotIndex != index)
+	public static IRecipeSlotTooltipCallback addFluidTooltip(int mbAmount) {
+		return (view, tooltip) -> {
+			Optional<FluidStack> displayed = view.getDisplayedIngredient(VanillaTypes.FLUID);
+			if (displayed.isEmpty())
 				return;
 
-			if (fluid.getFluid()
-				.isSame(AllFluids.POTION.get())) {
-				Component name = fluid.getDisplayName();
+			FluidStack fluidStack = displayed.get();
+
+			if (fluidStack.getFluid().isSame(AllFluids.POTION.get())) {
+				Component name = fluidStack.getDisplayName();
 				if (tooltip.isEmpty())
 					tooltip.add(0, name);
 				else
 					tooltip.set(0, name);
 
 				ArrayList<Component> potionTooltip = new ArrayList<>();
-				PotionFluidHandler.addPotionTooltip(fluid, potionTooltip, 1);
-				tooltip.addAll(1, potionTooltip.stream()
-					.collect(Collectors.toList()));
+				PotionFluidHandler.addPotionTooltip(fluidStack, potionTooltip, 1);
+				tooltip.addAll(1, potionTooltip.stream().toList());
 			}
 
-			int amount = amounts.get(index != -1 ? 0 : slotIndex);
+			int amount = mbAmount == -1 ? fluidStack.getAmount() : mbAmount;
 			Component text = new TextComponent(String.valueOf(amount)).append(Lang.translate("generic.unit.millibuckets")).withStyle(ChatFormatting.GOLD);
 			if (tooltip.isEmpty())
 				tooltip.add(0, text);
 			else {
-				List<Component> siblings = tooltip.get(0)
-					.getSiblings();
+				List<Component> siblings = tooltip.get(0).getSiblings();
 				siblings.add(new TextComponent(" "));
 				siblings.add(text);
 			}
-		});
+		};
+	}
+
+	private static IDrawable asDrawable(AllGuiTextures texture) {
+		return new IDrawable() {
+			@Override
+			public int getWidth() {
+				return texture.width;
+			}
+
+			@Override
+			public int getHeight() {
+				return texture.height;
+			}
+
+			@Override
+			public void draw(PoseStack poseStack, int xOffset, int yOffset) {
+				texture.render(poseStack, xOffset, yOffset);
+			}
+		};
 	}
 
 }

src/main/java/com/simibubi/create/compat/jei/category/CrushingCategory.java

@@ -1,24 +1,29 @@
 package com.simibubi.create.compat.jei.category;
 
-import java.util.Arrays;
+import java.util.ArrayList;
 import java.util.List;
 
+import javax.annotation.ParametersAreNonnullByDefault;
+
 import com.mojang.blaze3d.vertex.PoseStack;
 import com.simibubi.create.AllBlocks;
 import com.simibubi.create.AllItems;
 import com.simibubi.create.compat.jei.category.animations.AnimatedCrushingWheels;
 import com.simibubi.create.content.contraptions.components.crusher.AbstractCrushingRecipe;
 import com.simibubi.create.content.contraptions.processing.ProcessingOutput;
+import com.simibubi.create.content.contraptions.processing.ProcessingRecipe;
 import com.simibubi.create.foundation.gui.AllGuiTextures;
+import com.simibubi.create.foundation.ponder.ui.LayoutHelper;
 
-import mezz.jei.api.constants.VanillaTypes;
-import mezz.jei.api.gui.IRecipeLayout;
-import mezz.jei.api.gui.ingredient.IGuiItemStackGroup;
-import mezz.jei.api.ingredients.IIngredients;
+import mezz.jei.api.gui.builder.IRecipeLayoutBuilder;
+import mezz.jei.api.gui.ingredient.IRecipeSlotsView;
+import mezz.jei.api.recipe.IFocusGroup;
+import mezz.jei.api.recipe.RecipeIngredientRole;
 
+@ParametersAreNonnullByDefault
 public class CrushingCategory extends CreateRecipeCategory<AbstractCrushingRecipe> {
 
-	private AnimatedCrushingWheels crushingWheels = new AnimatedCrushingWheels();
+	private final AnimatedCrushingWheels crushingWheels = new AnimatedCrushingWheels();
 
 	public CrushingCategory() {
 		super(doubleItemIcon(AllBlocks.CRUSHING_WHEEL.get(), AllItems.CRUSHED_GOLD.get()), emptyBackground(177, 100));
@@ -30,42 +35,46 @@ public class CrushingCategory extends CreateRecipeCategory<AbstractCrushingRecip
 	}
 
 	@Override
-	public void setIngredients(AbstractCrushingRecipe recipe, IIngredients ingredients) {
-		ingredients.setInputIngredients(recipe.getIngredients());
-		ingredients.setOutputs(VanillaTypes.ITEM, recipe.getRollableResultsAsItemStacks());
+	public void setRecipe(IRecipeLayoutBuilder builder, AbstractCrushingRecipe recipe, IFocusGroup focuses) {
+		builder
+				.addSlot(RecipeIngredientRole.INPUT, 51, 3)
+				.setBackground(getRenderedSlot(), -1, -1)
+				.addIngredients(recipe.getIngredients().get(0));
+
+		int xOffset = getBackground().getWidth() / 2;
+		int yOffset = 86;
+
+		layoutOutput(recipe).forEach(layoutEntry -> builder
+				.addSlot(RecipeIngredientRole.OUTPUT, (xOffset) + layoutEntry.posX() + 1, yOffset + layoutEntry.posY() + 1)
+				.setBackground(getRenderedSlot(layoutEntry.output()), -1, -1)
+				.addItemStack(layoutEntry.output().getStack())
+				.addTooltipCallback(addStochasticTooltip(layoutEntry.output()))
+		);
 	}
 
+	private List<LayoutEntry> layoutOutput(ProcessingRecipe<?> recipe) {
+		int size = recipe.getRollableResults().size();
+		List<LayoutEntry> positions = new ArrayList<>(size);
+
+		LayoutHelper layout = LayoutHelper.centeredHorizontal(size, 1, 18, 18, 1);
+		for (ProcessingOutput result : recipe.getRollableResults()) {
+			positions.add(new LayoutEntry(result, layout.getX(), layout.getY()));
+			layout.next();
+		}
+
+		return positions;
+	}
+
+	private record LayoutEntry(
+			ProcessingOutput output,
+			int posX,
+			int posY
+	) {}
+
 	@Override
-	public void setRecipe(IRecipeLayout recipeLayout, AbstractCrushingRecipe recipe, IIngredients ingredients) {
-		IGuiItemStackGroup itemStacks = recipeLayout.getItemStacks();
-		itemStacks.init(0, true, 50, 2);
-		itemStacks.set(0, Arrays.asList(recipe.getIngredients()
-			.get(0)
-			.getItems()));
-
-		List<ProcessingOutput> results = recipe.getRollableResults();
-		int size = results.size();
-		int offset = -size * 19 / 2;
-		for (int outputIndex = 0; outputIndex < size; outputIndex++) {
-			itemStacks.init(outputIndex + 1, false, getBackground().getWidth() / 2 + offset + 19 * outputIndex, 78);
-			itemStacks.set(outputIndex + 1, results.get(outputIndex)
-				.getStack());
-		}
-
-		addStochasticTooltip(itemStacks, results);
-	}
-
-	@Override
-	public void draw(AbstractCrushingRecipe recipe, PoseStack matrixStack,  double mouseX, double mouseY) {
-		List<ProcessingOutput> results = recipe.getRollableResults();
-		AllGuiTextures.JEI_SLOT.render(matrixStack, 50, 2);
+	public void draw(AbstractCrushingRecipe recipe, IRecipeSlotsView recipeSlotsView, PoseStack matrixStack, double mouseX, double mouseY) {
 		AllGuiTextures.JEI_DOWN_ARROW.render(matrixStack, 72, 7);
 
-		int size = results.size();
-		int offset = -size * 19 / 2;
-		for (int outputIndex = 0; outputIndex < results.size(); outputIndex++)
-			getRenderedSlot(recipe, outputIndex).render(matrixStack, getBackground().getWidth() / 2 + offset + 19 * outputIndex, 78);
-
 		crushingWheels.draw(matrixStack, 62, 59);
 	}
 

src/main/java/com/simibubi/create/compat/jei/category/DeployingCategory.java

@@ -1,29 +1,28 @@
 package com.simibubi.create.compat.jei.category;
 
-import java.util.Arrays;
-import java.util.stream.Collectors;
+import javax.annotation.ParametersAreNonnullByDefault;
 
 import com.mojang.blaze3d.vertex.PoseStack;
 import com.simibubi.create.AllBlocks;
 import com.simibubi.create.compat.jei.category.animations.AnimatedDeployer;
 import com.simibubi.create.content.contraptions.components.deployer.DeployerApplicationRecipe;
-import com.simibubi.create.foundation.fluid.FluidIngredient;
 import com.simibubi.create.foundation.gui.AllGuiTextures;
 import com.simibubi.create.foundation.utility.Lang;
 
-import mezz.jei.api.constants.VanillaTypes;
-import mezz.jei.api.gui.IRecipeLayout;
-import mezz.jei.api.gui.ingredient.IGuiItemStackGroup;
-import mezz.jei.api.ingredients.IIngredients;
+import mezz.jei.api.gui.builder.IRecipeLayoutBuilder;
+import mezz.jei.api.gui.builder.IRecipeSlotBuilder;
+import mezz.jei.api.gui.ingredient.IRecipeSlotsView;
+import mezz.jei.api.recipe.IFocusGroup;
+import mezz.jei.api.recipe.RecipeIngredientRole;
 import net.minecraft.ChatFormatting;
 
+@ParametersAreNonnullByDefault
 public class DeployingCategory extends CreateRecipeCategory<DeployerApplicationRecipe> {
 
-	AnimatedDeployer deployer;
+	private final AnimatedDeployer deployer = new AnimatedDeployer();
 
 	public DeployingCategory() {
 		super(itemIcon(AllBlocks.DEPLOYER.get()), emptyBackground(177, 70));
-		deployer = new AnimatedDeployer();
 	}
 
 	@Override
@@ -32,49 +31,29 @@ public class DeployingCategory extends CreateRecipeCategory<DeployerApplicationR
 	}
 
 	@Override
-	public void setIngredients(DeployerApplicationRecipe recipe, IIngredients ingredients) {
-		ingredients.setInputIngredients(recipe.getIngredients());
-		ingredients.setInputLists(VanillaTypes.FLUID, recipe.getFluidIngredients()
-			.stream()
-			.map(FluidIngredient::getMatchingFluidStacks)
-			.collect(Collectors.toList()));
-
-		if (!recipe.getRollableResults()
-			.isEmpty())
-			ingredients.setOutput(VanillaTypes.ITEM, recipe.getResultItem());
-	}
-
-	@Override
-	public void setRecipe(IRecipeLayout recipeLayout, DeployerApplicationRecipe recipe, IIngredients ingredients) {
-		IGuiItemStackGroup itemStacks = recipeLayout.getItemStacks();
-		itemStacks.init(0, true, 26, 50);
-		itemStacks.set(0, Arrays.asList(recipe.getProcessedItem()
-			.getItems()));
-		itemStacks.init(1, true, 50, 4);
-		itemStacks.set(1, Arrays.asList(recipe.getRequiredHeldItem()
-			.getItems()));
-		itemStacks.init(2, false, 131, 50);
-		itemStacks.set(2, recipe.getResultItem());
+	public void setRecipe(IRecipeLayoutBuilder builder, DeployerApplicationRecipe recipe, IFocusGroup focuses) {
+		builder
+				.addSlot(RecipeIngredientRole.INPUT, 27, 51)
+				.setBackground(getRenderedSlot(), -1, -1)
+				.addIngredients(recipe.getProcessedItem());
+		IRecipeSlotBuilder handItemSlot = builder
+				.addSlot(RecipeIngredientRole.INPUT, 51, 5)
+				.setBackground(getRenderedSlot(), -1, -1)
+				.addIngredients(recipe.getRequiredHeldItem());
+		builder
+				.addSlot(RecipeIngredientRole.OUTPUT, 132, 51)
+				.setBackground(getRenderedSlot(recipe.getRollableResults().get(0)), -1, -1)
+				.addItemStack(recipe.getResultItem())
+				.addTooltipCallback(addStochasticTooltip(recipe.getRollableResults().get(0)));
 
 		if (recipe.shouldKeepHeldItem()) {
-			itemStacks.addTooltipCallback((slotIndex, input, ingredient, tooltip) -> {
-				if (!input)
-					return;
-				if (slotIndex != 1)
-					return;
-				tooltip.add(1, Lang.translate("recipe.deploying.not_consumed")
-					.withStyle(ChatFormatting.GOLD));
-			});
+			handItemSlot.addTooltipCallback((recipeSlotView, tooltip) -> tooltip.add(1, Lang.translate("recipe.deploying.not_consumed").withStyle(ChatFormatting.GOLD)));
 		}
 
-		addStochasticTooltip(itemStacks, recipe.getRollableResults(), 2);
 	}
 
 	@Override
-	public void draw(DeployerApplicationRecipe recipe, PoseStack matrixStack, double mouseX, double mouseY) {
-		AllGuiTextures.JEI_SLOT.render(matrixStack, 50, 4);
-		AllGuiTextures.JEI_SLOT.render(matrixStack, 26, 50);
-		getRenderedSlot(recipe, 0).render(matrixStack, 131, 50);
+	public void draw(DeployerApplicationRecipe recipe, IRecipeSlotsView recipeSlotsView, PoseStack matrixStack, double mouseX, double mouseY) {
 		AllGuiTextures.JEI_SHADOW.render(matrixStack, 62, 57);
 		AllGuiTextures.JEI_DOWN_ARROW.render(matrixStack, 126, 29);
 		deployer.draw(matrixStack, getBackground().getWidth() / 2 - 13, 22);

src/main/java/com/simibubi/create/compat/jei/category/FanBlastingCategory.java

@@ -1,5 +1,7 @@
 package com.simibubi.create.compat.jei.category;
 
+import org.jetbrains.annotations.NotNull;
+
 import com.mojang.blaze3d.vertex.PoseStack;
 import com.simibubi.create.AllItems;
 import com.simibubi.create.compat.jei.category.animations.AnimatedKinetics;
@@ -27,7 +29,7 @@ public class FanBlastingCategory extends ProcessingViaFanCategory<AbstractCookin
 	}
 
 	@Override
-	protected void renderAttachedBlock(PoseStack matrixStack) {
+	protected void renderAttachedBlock(@NotNull PoseStack matrixStack) {
 		GuiGameElement.of(Fluids.LAVA)
 			.scale(SCALE)
 			.atLocal(0, 0, 2)

src/main/java/com/simibubi/create/compat/jei/category/FanHauntingCategory.java

@@ -1,5 +1,7 @@
 package com.simibubi.create.compat.jei.category;
 
+import org.jetbrains.annotations.NotNull;
+
 import com.mojang.blaze3d.vertex.PoseStack;
 import com.simibubi.create.AllItems;
 import com.simibubi.create.compat.jei.category.animations.AnimatedKinetics;
@@ -27,7 +29,7 @@ public class FanHauntingCategory extends ProcessingViaFanCategory.MultiOutput<Ha
 	}
 
 	@Override
-	protected void renderAttachedBlock(PoseStack matrixStack) {
+	protected void renderAttachedBlock(@NotNull PoseStack matrixStack) {
 		GuiGameElement.of(Blocks.SOUL_FIRE.defaultBlockState())
 			.scale(SCALE)
 			.atLocal(0, 0, 2)

src/main/java/com/simibubi/create/compat/jei/category/FanSmokingCategory.java

@@ -1,5 +1,7 @@
 package com.simibubi.create.compat.jei.category;
 
+import org.jetbrains.annotations.NotNull;
+
 import com.mojang.blaze3d.vertex.PoseStack;
 import com.simibubi.create.AllItems;
 import com.simibubi.create.compat.jei.category.animations.AnimatedKinetics;
@@ -27,7 +29,7 @@ public class FanSmokingCategory extends ProcessingViaFanCategory<SmokingRecipe>
 	}
 
 	@Override
-	protected void renderAttachedBlock(PoseStack matrixStack) {
+	protected void renderAttachedBlock(@NotNull PoseStack matrixStack) {
 		GuiGameElement.of(Blocks.FIRE.defaultBlockState())
 			.scale(SCALE)
 			.atLocal(0, 0, 2)

src/main/java/com/simibubi/create/compat/jei/category/FanWashingCategory.java

@@ -1,5 +1,7 @@
 package com.simibubi.create.compat.jei.category;
 
+import org.jetbrains.annotations.NotNull;
+
 import com.mojang.blaze3d.vertex.PoseStack;
 import com.simibubi.create.AllItems;
 import com.simibubi.create.compat.jei.category.animations.AnimatedKinetics;
@@ -21,7 +23,7 @@ public class FanWashingCategory extends ProcessingViaFanCategory.MultiOutput<Spl
 	}
 
 	@Override
-	protected void renderAttachedBlock(PoseStack matrixStack) {
+	protected void renderAttachedBlock(@NotNull PoseStack matrixStack) {
 		GuiGameElement.of(Fluids.WATER)
 			.scale(SCALE)
 			.atLocal(0, 0, 2)

src/main/java/com/simibubi/create/compat/jei/category/ItemApplicationCategory.java

@@ -1,8 +1,9 @@
 package com.simibubi.create.compat.jei.category;
 
-import java.util.Arrays;
 import java.util.Optional;
 
+import javax.annotation.ParametersAreNonnullByDefault;
+
 import com.mojang.blaze3d.vertex.PoseStack;
 import com.mojang.math.Vector3f;
 import com.simibubi.create.AllItems;
@@ -23,6 +24,7 @@ import net.minecraft.world.item.Item;
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.level.block.state.BlockState;
 
+@ParametersAreNonnullByDefault
 public class ItemApplicationCategory extends CreateRecipeCategory<ItemApplicationRecipe> {
 
 	public ItemApplicationCategory() {
@@ -37,31 +39,27 @@ public class ItemApplicationCategory extends CreateRecipeCategory<ItemApplicatio
 	@Override
 	public void setRecipe(IRecipeLayoutBuilder builder, ItemApplicationRecipe recipe, IFocusGroup focuses) {
 		builder.addSlot(RecipeIngredientRole.INPUT, 27, 38)
-			.addItemStacks(Arrays.asList(recipe.getProcessedItem()
-				.getItems()));
+				.setBackground(getRenderedSlot(), -1, -1)
+				.addIngredients(recipe.getProcessedItem());
 
 		builder.addSlot(RecipeIngredientRole.INPUT, 51, 5)
-			.addItemStacks(Arrays.asList(recipe.getRequiredHeldItem()
-				.getItems()))
+				.setBackground(getRenderedSlot(), -1, -1)
+				.addIngredients(recipe.getRequiredHeldItem())
 				.addTooltipCallback(
 					recipe.shouldKeepHeldItem()
 						? (view, tooltip) -> tooltip.add(1, Lang.translate("recipe.deploying.not_consumed")
 							.withStyle(ChatFormatting.GOLD))
-					: (view, tooltip) -> {
-					});
+						: (view, tooltip) -> {}
+				);
 
 		builder.addSlot(RecipeIngredientRole.OUTPUT, 132, 38)
+				.setBackground(getRenderedSlot(recipe.getRollableResults().get(0)), -1, -1)
 				.addItemStack(recipe.getResultItem())
-			.addTooltipCallback(addStochasticTooltip(recipe.getRollableResults()
-				.get(0)));
+				.addTooltipCallback(addStochasticTooltip(recipe.getRollableResults().get(0)));
 	}
 
 	@Override
-	public void draw(ItemApplicationRecipe recipe, IRecipeSlotsView recipeSlotsView, PoseStack matrixStack,
-		double mouseX, double mouseY) {
-		AllGuiTextures.JEI_SLOT.render(matrixStack, 50, 4);
-		AllGuiTextures.JEI_SLOT.render(matrixStack, 26, 37);
-		getRenderedSlot(recipe, 0).render(matrixStack, 131, 37);
+	public void draw(ItemApplicationRecipe recipe, IRecipeSlotsView recipeSlotsView, PoseStack matrixStack, double mouseX, double mouseY) {
 		AllGuiTextures.JEI_SHADOW.render(matrixStack, 62, 47);
 		AllGuiTextures.JEI_DOWN_ARROW.render(matrixStack, 74, 10);
 

src/main/java/com/simibubi/create/compat/jei/category/ItemDrainCategory.java

@@ -1,11 +1,9 @@
 package com.simibubi.create.compat.jei.category;
 
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.List;
 import java.util.function.Consumer;
 
-import com.google.common.collect.ImmutableList;
+import javax.annotation.ParametersAreNonnullByDefault;
+
 import com.mojang.blaze3d.vertex.PoseStack;
 import com.simibubi.create.AllBlocks;
 import com.simibubi.create.Create;
@@ -16,10 +14,10 @@ import com.simibubi.create.content.contraptions.processing.ProcessingRecipeBuild
 import com.simibubi.create.foundation.gui.AllGuiTextures;
 
 import mezz.jei.api.constants.VanillaTypes;
-import mezz.jei.api.gui.IRecipeLayout;
-import mezz.jei.api.gui.ingredient.IGuiFluidStackGroup;
-import mezz.jei.api.gui.ingredient.IGuiItemStackGroup;
-import mezz.jei.api.ingredients.IIngredients;
+import mezz.jei.api.gui.builder.IRecipeLayoutBuilder;
+import mezz.jei.api.gui.ingredient.IRecipeSlotsView;
+import mezz.jei.api.recipe.IFocusGroup;
+import mezz.jei.api.recipe.RecipeIngredientRole;
 import mezz.jei.api.runtime.IIngredientManager;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.world.item.ItemStack;
@@ -32,6 +30,7 @@ import net.minecraftforge.fluids.capability.CapabilityFluidHandler;
 import net.minecraftforge.fluids.capability.IFluidHandler.FluidAction;
 import net.minecraftforge.fluids.capability.IFluidHandlerItem;
 
+@ParametersAreNonnullByDefault
 public class ItemDrainCategory extends CreateRecipeCategory<EmptyingRecipe> {
 
 	AnimatedItemDrain drain;
@@ -90,41 +89,24 @@ public class ItemDrainCategory extends CreateRecipeCategory<EmptyingRecipe> {
 	}
 
 	@Override
-	public void setIngredients(EmptyingRecipe recipe, IIngredients ingredients) {
-		ingredients.setInputIngredients(recipe.getIngredients());
-
-		if (!recipe.getRollableResults()
-			.isEmpty())
-			ingredients.setOutput(VanillaTypes.ITEM, recipe.getResultItem());
-		if (!recipe.getFluidResults()
-			.isEmpty())
-			ingredients.setOutputs(VanillaTypes.FLUID, recipe.getFluidResults());
+	public void setRecipe(IRecipeLayoutBuilder builder, EmptyingRecipe recipe, IFocusGroup focuses) {
+		builder
+				.addSlot(RecipeIngredientRole.INPUT, 27, 8)
+				.setBackground(getRenderedSlot(), -1, -1)
+				.addIngredients(recipe.getIngredients().get(0));
+		builder
+				.addSlot(RecipeIngredientRole.OUTPUT, 132, 8)
+				.setBackground(getRenderedSlot(), -1, -1)
+				.addIngredient(VanillaTypes.FLUID, withImprovedVisibility(recipe.getResultingFluid()))
+				.addTooltipCallback(addFluidTooltip(recipe.getResultingFluid().getAmount()));
+		builder
+				.addSlot(RecipeIngredientRole.OUTPUT, 132, 27)
+				.setBackground(getRenderedSlot(), -1, -1)
+				.addItemStack(recipe.getResultItem());
 	}
 
 	@Override
-	public void setRecipe(IRecipeLayout recipeLayout, EmptyingRecipe recipe, IIngredients ingredients) {
-		IGuiItemStackGroup itemStacks = recipeLayout.getItemStacks();
-		IGuiFluidStackGroup fluidStacks = recipeLayout.getFluidStacks();
-		FluidStack fluidOutput = recipe.getResultingFluid();
-		List<ItemStack> matchingIngredients = Arrays.asList(recipe.getIngredients()
-			.get(0)
-			.getItems());
-
-		fluidStacks.init(0, false, 132, 8);
-		fluidStacks.set(0, withImprovedVisibility(fluidOutput));
-		itemStacks.init(0, true, 26, 7);
-		itemStacks.set(0, matchingIngredients);
-		itemStacks.init(1, false, 131, 26);
-		itemStacks.set(1, recipe.getResultItem());
-
-		addFluidTooltip(fluidStacks, Collections.emptyList(), ImmutableList.of(fluidOutput));
-	}
-
-	@Override
-	public void draw(EmptyingRecipe recipe, PoseStack matrixStack, double mouseX, double mouseY) {
-		AllGuiTextures.JEI_SLOT.render(matrixStack, 131, 7);
-		AllGuiTextures.JEI_SLOT.render(matrixStack, 26, 7);
-		getRenderedSlot(recipe, 0).render(matrixStack, 131, 26);
+	public void draw(EmptyingRecipe recipe, IRecipeSlotsView iRecipeSlotsView, PoseStack matrixStack, double mouseX, double mouseY) {
 		AllGuiTextures.JEI_SHADOW.render(matrixStack, 62, 37);
 		AllGuiTextures.JEI_DOWN_ARROW.render(matrixStack, 73, 4);
 		drain.withFluid(recipe.getResultingFluid())

src/main/java/com/simibubi/create/compat/jei/category/MechanicalCraftingCategory.java

@@ -1,9 +1,12 @@
 package com.simibubi.create.compat.jei.category;
 
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.List;
 
+import javax.annotation.ParametersAreNonnullByDefault;
+
+import org.jetbrains.annotations.NotNull;
+
 import com.mojang.blaze3d.systems.RenderSystem;
 import com.mojang.blaze3d.vertex.PoseStack;
 import com.simibubi.create.AllBlocks;
@@ -11,15 +14,15 @@ import com.simibubi.create.compat.jei.category.animations.AnimatedCrafter;
 import com.simibubi.create.foundation.gui.AllGuiTextures;
 
 import mezz.jei.api.constants.VanillaTypes;
-import mezz.jei.api.gui.IRecipeLayout;
-import mezz.jei.api.gui.ingredient.IGuiItemStackGroup;
+import mezz.jei.api.gui.builder.IRecipeLayoutBuilder;
+import mezz.jei.api.gui.ingredient.IRecipeSlotsView;
 import mezz.jei.api.ingredients.IIngredientRenderer;
-import mezz.jei.api.ingredients.IIngredients;
+import mezz.jei.api.recipe.IFocusGroup;
+import mezz.jei.api.recipe.RecipeIngredientRole;
 import net.minecraft.ChatFormatting;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.Font;
 import net.minecraft.client.renderer.entity.ItemRenderer;
-import net.minecraft.core.NonNullList;
 import net.minecraft.network.chat.Component;
 import net.minecraft.network.chat.TranslatableComponent;
 import net.minecraft.world.entity.player.Player;
@@ -29,6 +32,7 @@ import net.minecraft.world.item.crafting.CraftingRecipe;
 import net.minecraft.world.item.crafting.Ingredient;
 import net.minecraftforge.common.crafting.IShapedRecipe;
 
+@ParametersAreNonnullByDefault
 public class MechanicalCraftingCategory extends CreateRecipeCategory<CraftingRecipe> {
 
 	private final AnimatedCrafter crafter = new AnimatedCrafter();
@@ -38,35 +42,33 @@ public class MechanicalCraftingCategory extends CreateRecipeCategory<CraftingRec
 	}
 
 	@Override
-	public void setIngredients(CraftingRecipe recipe, IIngredients ingredients) {
-		ingredients.setInputIngredients(recipe.getIngredients());
-		ingredients.setOutput(VanillaTypes.ITEM, recipe.getResultItem());
-	}
-
-	@Override
-	public void setRecipe(IRecipeLayout recipeLayout, CraftingRecipe recipe, IIngredients ingredients) {
-		IGuiItemStackGroup itemStacks = recipeLayout.getItemStacks();
-		NonNullList<Ingredient> recipeIngredients = recipe.getIngredients();
-
-		itemStacks.init(0, false, 133, 80);
-		itemStacks.set(0, recipe.getResultItem());
+	public void setRecipe(IRecipeLayoutBuilder builder, CraftingRecipe recipe, IFocusGroup focuses) {
+		builder
+				.addSlot(RecipeIngredientRole.OUTPUT, 134, 81)
+				.addItemStack(recipe.getResultItem());
 
 		int x = getXPadding(recipe);
 		int y = getYPadding(recipe);
 		float scale = getScale(recipe);
-		int size = recipeIngredients.size();
-		IIngredientRenderer<ItemStack> renderer = new CrafterIngredientRenderer(recipe);
 
-		for (int i = 0; i < size; i++) {
+		IIngredientRenderer<ItemStack> renderer = new CrafterIngredientRenderer(recipe);
+		int i = 0;
+
+		for (Ingredient ingredient : recipe.getIngredients()) {
 			float f = 19 * scale;
 			int slotSize = (int) (16 * scale);
 			int xPosition = (int) (x + 1 + (i % getWidth(recipe)) * f);
 			int yPosition = (int) (y + 1 + (i / getWidth(recipe)) * f);
-			itemStacks.init(i + 1, true, renderer, xPosition, yPosition, slotSize, slotSize, 0, 0);
-			itemStacks.set(i + 1, Arrays.asList(recipeIngredients.get(i)
-				.getItems()));
+
+			builder
+					.addSlot(RecipeIngredientRole.INPUT, xPosition, yPosition)
+					.setCustomRenderer(VanillaTypes.ITEM, renderer)
+					.addIngredients(ingredient);
+
+			i++;
 		}
 
+
 	}
 
 	static int maxSize = 100;
@@ -94,7 +96,7 @@ public class MechanicalCraftingCategory extends CreateRecipeCategory<CraftingRec
 	}
 
 	@Override
-	public void draw(CraftingRecipe recipe, PoseStack matrixStack, double mouseX, double mouseY) {
+	public void draw(CraftingRecipe recipe, IRecipeSlotsView iRecipeSlotsView, PoseStack matrixStack, double mouseX, double mouseY) {
 		matrixStack.pushPose();
 		float scale = getScale(recipe);
 		matrixStack.translate(getXPadding(recipe), getYPadding(recipe), 0);
@@ -139,13 +141,15 @@ public class MechanicalCraftingCategory extends CreateRecipeCategory<CraftingRec
 	private static final class CrafterIngredientRenderer implements IIngredientRenderer<ItemStack> {
 
 		private final CraftingRecipe recipe;
+		private final float scale;
 
 		public CrafterIngredientRenderer(CraftingRecipe recipe) {
 			this.recipe = recipe;
+			scale = getScale(recipe);
 		}
 
 		@Override
-		public void render(PoseStack matrixStack, int xPosition, int yPosition, ItemStack ingredient) {
+		public void render(PoseStack matrixStack, @NotNull ItemStack ingredient) {
 			matrixStack.pushPose();
 			float scale = getScale(recipe);
 			matrixStack.scale(scale, scale, scale);
@@ -160,8 +164,8 @@ public class MechanicalCraftingCategory extends CreateRecipeCategory<CraftingRec
 				Minecraft minecraft = Minecraft.getInstance();
 				Font font = getFontRenderer(minecraft, ingredient);
 				ItemRenderer itemRenderer = minecraft.getItemRenderer();
-				itemRenderer.renderAndDecorateFakeItem(ingredient, xPosition, yPosition);
-				itemRenderer.renderGuiItemDecorations(font, ingredient, xPosition, yPosition, null);
+				itemRenderer.renderAndDecorateFakeItem(ingredient, 0, 0);
+				itemRenderer.renderGuiItemDecorations(font, ingredient, 0, 0, null);
 				RenderSystem.disableBlend();
 				modelViewStack.popPose();
 				RenderSystem.applyModelViewMatrix();
@@ -170,6 +174,16 @@ public class MechanicalCraftingCategory extends CreateRecipeCategory<CraftingRec
 			matrixStack.popPose();
 		}
 
+		@Override
+		public int getWidth() {
+			return (int) (16 * scale);
+		}
+
+		@Override
+		public int getHeight() {
+			return (int) (16 * scale);
+		}
+
 		@Override
 		public List<Component> getTooltip(ItemStack ingredient, TooltipFlag tooltipFlag) {
 			Minecraft minecraft = Minecraft.getInstance();

src/main/java/com/simibubi/create/compat/jei/category/MillingCategory.java

@@ -1,8 +1,9 @@
 package com.simibubi.create.compat.jei.category;
 
-import java.util.Arrays;
 import java.util.List;
 
+import javax.annotation.ParametersAreNonnullByDefault;
+
 import com.mojang.blaze3d.vertex.PoseStack;
 import com.simibubi.create.AllBlocks;
 import com.simibubi.create.AllItems;
@@ -11,14 +12,15 @@ import com.simibubi.create.content.contraptions.components.crusher.AbstractCrush
 import com.simibubi.create.content.contraptions.processing.ProcessingOutput;
 import com.simibubi.create.foundation.gui.AllGuiTextures;
 
-import mezz.jei.api.constants.VanillaTypes;
-import mezz.jei.api.gui.IRecipeLayout;
-import mezz.jei.api.gui.ingredient.IGuiItemStackGroup;
-import mezz.jei.api.ingredients.IIngredients;
+import mezz.jei.api.gui.builder.IRecipeLayoutBuilder;
+import mezz.jei.api.gui.ingredient.IRecipeSlotsView;
+import mezz.jei.api.recipe.IFocusGroup;
+import mezz.jei.api.recipe.RecipeIngredientRole;
 
+@ParametersAreNonnullByDefault
 public class MillingCategory extends CreateRecipeCategory<AbstractCrushingRecipe> {
 
-	private AnimatedMillstone millstone = new AnimatedMillstone();
+	private final AnimatedMillstone millstone = new AnimatedMillstone();
 
 	public MillingCategory() {
 		super(doubleItemIcon(AllBlocks.MILLSTONE.get(), AllItems.WHEAT_FLOUR.get()), emptyBackground(177, 53));
@@ -30,54 +32,34 @@ public class MillingCategory extends CreateRecipeCategory<AbstractCrushingRecipe
 	}
 
 	@Override
-	public void setIngredients(AbstractCrushingRecipe recipe, IIngredients ingredients) {
-		ingredients.setInputIngredients(recipe.getIngredients());
-		ingredients.setOutputs(VanillaTypes.ITEM, recipe.getRollableResultsAsItemStacks());
-	}
-
-	@Override
-	public void setRecipe(IRecipeLayout recipeLayout, AbstractCrushingRecipe recipe, IIngredients ingredients) {
-		IGuiItemStackGroup itemStacks = recipeLayout.getItemStacks();
-		itemStacks.init(0, true, 14, 8);
-		itemStacks.set(0, Arrays.asList(recipe.getIngredients()
-			.get(0)
-			.getItems()));
+	public void setRecipe(IRecipeLayoutBuilder builder, AbstractCrushingRecipe recipe, IFocusGroup focuses) {
+		builder
+				.addSlot(RecipeIngredientRole.INPUT, 15, 9)
+				.setBackground(getRenderedSlot(), -1, -1)
+				.addIngredients(recipe.getIngredients().get(0));
 
 		List<ProcessingOutput> results = recipe.getRollableResults();
 		boolean single = results.size() == 1;
-		for (int outputIndex = 0; outputIndex < results.size(); outputIndex++) {
-			int xOffset = outputIndex % 2 == 0 ? 0 : 19;
-			int yOffset = (outputIndex / 2) * -19;
+		int i = 0;
+		for (ProcessingOutput output : results) {
+			int xOffset = i % 2 == 0 ? 0 : 19;
+			int yOffset = (i / 2) * -19;
 
-			itemStacks.init(outputIndex + 1, false, single ? 139 : 133 + xOffset, 27 + yOffset);
-			itemStacks.set(outputIndex + 1, results.get(outputIndex)
-				.getStack());
+			builder
+					.addSlot(RecipeIngredientRole.OUTPUT, single ? 139 : 133 + xOffset, 27 + yOffset)
+					.setBackground(getRenderedSlot(output), -1, -1)
+					.addItemStack(output.getStack())
+					.addTooltipCallback(addStochasticTooltip(output));
+
+			i++;
 		}
-
-		addStochasticTooltip(itemStacks, results);
 	}
 
 	@Override
-	public void draw(AbstractCrushingRecipe recipe, PoseStack matrixStack, double mouseX, double mouseY) {
-		int size = recipe.getRollableResultsAsItemStacks()
-			.size();
-
-		AllGuiTextures.JEI_SLOT.render(matrixStack, 14, 8);
+	public void draw(AbstractCrushingRecipe recipe, IRecipeSlotsView iRecipeSlotsView, PoseStack matrixStack, double mouseX, double mouseY) {
 		AllGuiTextures.JEI_ARROW.render(matrixStack, 85, 32);
 		AllGuiTextures.JEI_DOWN_ARROW.render(matrixStack, 43, 4);
 		millstone.draw(matrixStack, 48, 27);
-
-		if (size == 1) {
-			getRenderedSlot(recipe, 0).render(matrixStack, 139, 27);
-			return;
-		}
-
-		for (int i = 0; i < size; i++) {
-			int xOffset = i % 2 == 0 ? 0 : 19;
-			int yOffset = (i / 2) * -19;
-			getRenderedSlot(recipe, i).render(matrixStack, 133 + xOffset, 27 + yOffset);
-		}
-
 	}
 
 }

src/main/java/com/simibubi/create/compat/jei/category/MixingCategory.java

@@ -1,5 +1,7 @@
 package com.simibubi.create.compat.jei.category;
 
+import javax.annotation.ParametersAreNonnullByDefault;
+
 import com.mojang.blaze3d.vertex.PoseStack;
 import com.simibubi.create.AllBlocks;
 import com.simibubi.create.compat.jei.category.animations.AnimatedBlazeBurner;
@@ -7,10 +9,12 @@ import com.simibubi.create.compat.jei.category.animations.AnimatedMixer;
 import com.simibubi.create.content.contraptions.processing.BasinRecipe;
 import com.simibubi.create.content.contraptions.processing.HeatCondition;
 
+import mezz.jei.api.gui.ingredient.IRecipeSlotsView;
 import net.minecraft.world.item.Items;
 import net.minecraft.world.level.ItemLike;
 import net.minecraft.world.level.block.Blocks;
 
+@ParametersAreNonnullByDefault
 public class MixingCategory extends BasinCategory {
 
 	private final AnimatedMixer mixer = new AnimatedMixer();
@@ -18,7 +22,7 @@ public class MixingCategory extends BasinCategory {
 	MixingType type;
 
 	enum MixingType {
-		AUTO_SHAPELESS, MIXING, AUTO_BREWING;
+		AUTO_SHAPELESS, MIXING, AUTO_BREWING
 	}
 
 	public static MixingCategory autoShapeless() {
@@ -40,8 +44,9 @@ public class MixingCategory extends BasinCategory {
 	}
 
 	@Override
-	public void draw(BasinRecipe recipe, PoseStack matrixStack, double mouseX, double mouseY) {
-		super.draw(recipe, matrixStack, mouseX, mouseY);
+	public void draw(BasinRecipe recipe, IRecipeSlotsView iRecipeSlotsView, PoseStack matrixStack, double mouseX, double mouseY) {
+		super.draw(recipe, iRecipeSlotsView, matrixStack, mouseX, mouseY);
+
 		HeatCondition requiredHeat = recipe.getRequiredHeat();
 		if (requiredHeat != HeatCondition.NONE)
 			heater.withHeat(requiredHeat.visualizeAsBlazeBurner())

src/main/java/com/simibubi/create/compat/jei/category/MysteriousItemConversionCategory.java

@@ -1,21 +1,22 @@
 package com.simibubi.create.compat.jei.category;
 
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.List;
 
+import javax.annotation.ParametersAreNonnullByDefault;
+
 import com.mojang.blaze3d.vertex.PoseStack;
 import com.simibubi.create.AllBlocks;
 import com.simibubi.create.AllItems;
 import com.simibubi.create.compat.jei.ConversionRecipe;
-import com.simibubi.create.content.contraptions.processing.ProcessingOutput;
 import com.simibubi.create.foundation.gui.AllGuiTextures;
 
-import mezz.jei.api.constants.VanillaTypes;
-import mezz.jei.api.gui.IRecipeLayout;
-import mezz.jei.api.gui.ingredient.IGuiItemStackGroup;
-import mezz.jei.api.ingredients.IIngredients;
+import mezz.jei.api.gui.builder.IRecipeLayoutBuilder;
+import mezz.jei.api.gui.ingredient.IRecipeSlotsView;
+import mezz.jei.api.recipe.IFocusGroup;
+import mezz.jei.api.recipe.RecipeIngredientRole;
 
+@ParametersAreNonnullByDefault
 public class MysteriousItemConversionCategory extends CreateRecipeCategory<ConversionRecipe> {
 
 	public static final List<ConversionRecipe> RECIPES = new ArrayList<>();
@@ -37,25 +38,19 @@ public class MysteriousItemConversionCategory extends CreateRecipeCategory<Conve
 	}
 
 	@Override
-	public void setIngredients(ConversionRecipe recipe, IIngredients ingredients) {
-		ingredients.setInputIngredients(recipe.getIngredients());
-		ingredients.setOutputs(VanillaTypes.ITEM, recipe.getRollableResultsAsItemStacks());
+	public void setRecipe(IRecipeLayoutBuilder builder, ConversionRecipe recipe, IFocusGroup focuses) {
+		builder
+				.addSlot(RecipeIngredientRole.INPUT, 27, 17)
+				.setBackground(getRenderedSlot(), -1, -1)
+				.addIngredients(recipe.getIngredients().get(0));
+		builder
+				.addSlot(RecipeIngredientRole.OUTPUT, 132, 17)
+				.setBackground(getRenderedSlot(), -1, -1)
+				.addItemStack(recipe.getRollableResults().get(0).getStack());
 	}
 
 	@Override
-	public void setRecipe(IRecipeLayout recipeLayout, ConversionRecipe recipe, IIngredients ingredients) {
-		IGuiItemStackGroup itemStacks = recipeLayout.getItemStacks();
-		List<ProcessingOutput> results = recipe.getRollableResults();
-		itemStacks.init(0, true, 26, 16);
-		itemStacks.set(0, Arrays.asList(recipe.getIngredients().get(0).getItems()));
-		itemStacks.init(1, false, 131, 16);
-		itemStacks.set(1, results.get(0).getStack());
-	}
-
-	@Override
-	public void draw(ConversionRecipe recipe, PoseStack matrixStack, double mouseX, double mouseY) {
-		AllGuiTextures.JEI_SLOT.render(matrixStack, 26, 16);
-		AllGuiTextures.JEI_SLOT.render(matrixStack, 131, 16);
+	public void draw(ConversionRecipe recipe, IRecipeSlotsView iRecipeSlotsView, PoseStack matrixStack, double mouseX, double mouseY) {
 		AllGuiTextures.JEI_LONG_ARROW.render(matrixStack, 52, 20);
 		AllGuiTextures.JEI_QUESTION_MARK.render(matrixStack, 77, 5);
 	}

src/main/java/com/simibubi/create/compat/jei/category/PackingCategory.java

@@ -1,6 +1,6 @@
 package com.simibubi.create.compat.jei.category;
 
-import java.util.Arrays;
+import javax.annotation.ParametersAreNonnullByDefault;
 
 import com.mojang.blaze3d.vertex.PoseStack;
 import com.simibubi.create.AllBlocks;
@@ -10,22 +10,24 @@ import com.simibubi.create.content.contraptions.processing.BasinRecipe;
 import com.simibubi.create.content.contraptions.processing.HeatCondition;
 import com.simibubi.create.foundation.gui.AllGuiTextures;
 
-import mezz.jei.api.gui.IRecipeLayout;
-import mezz.jei.api.gui.ingredient.IGuiItemStackGroup;
-import mezz.jei.api.ingredients.IIngredients;
+import mezz.jei.api.gui.builder.IRecipeLayoutBuilder;
+import mezz.jei.api.gui.ingredient.IRecipeSlotsView;
+import mezz.jei.api.recipe.IFocusGroup;
+import mezz.jei.api.recipe.RecipeIngredientRole;
 import net.minecraft.core.NonNullList;
 import net.minecraft.world.item.crafting.Ingredient;
 import net.minecraft.world.level.ItemLike;
 import net.minecraft.world.level.block.Blocks;
 
+@ParametersAreNonnullByDefault
 public class PackingCategory extends BasinCategory {
 
-	private AnimatedPress press = new AnimatedPress(true);
+	private final AnimatedPress press = new AnimatedPress(true);
 	private final AnimatedBlazeBurner heater = new AnimatedBlazeBurner();
-	private PackingType type;
+	private final PackingType type;
 
 	enum PackingType {
-		AUTO_SQUARE, COMPACTING;
+		AUTO_SQUARE, COMPACTING
 	}
 
 	public static PackingCategory standard() {
@@ -43,51 +45,49 @@ public class PackingCategory extends BasinCategory {
 	}
 
 	@Override
-	public void setRecipe(IRecipeLayout recipeLayout, BasinRecipe recipe, IIngredients ingredients) {
+	public void setRecipe(IRecipeLayoutBuilder builder, BasinRecipe recipe, IFocusGroup focuses) {
 		if (type == PackingType.COMPACTING) {
-			super.setRecipe(recipeLayout, recipe, ingredients);
+			super.setRecipe(builder, recipe, focuses);
 			return;
 		}
 
-		IGuiItemStackGroup itemStacks = recipeLayout.getItemStacks();
 		int i = 0;
-
-		NonNullList<Ingredient> ingredients2 = recipe.getIngredients();
-		int size = ingredients2.size();
+		NonNullList<Ingredient> ingredients = recipe.getIngredients();
+		int size = ingredients.size();
 		int rows = size == 4 ? 2 : 3;
 		while (i < size) {
-			Ingredient ingredient = ingredients2.get(i);
-			itemStacks.init(i, true, (rows == 2 ? 26 : 17) + (i % rows) * 19, 50 - (i / rows) * 19);
-			itemStacks.set(i, Arrays.asList(ingredient.getItems()));
+			Ingredient ingredient = ingredients.get(i);
+			builder
+					.addSlot(RecipeIngredientRole.INPUT, (rows == 2 ? 27 : 18) + (i % rows) * 19, 51 - (i / rows) * 19)
+					.setBackground(getRenderedSlot(), -1, -1)
+					.addIngredients(ingredient);
+
 			i++;
 		}
 
-		itemStacks.init(i, false, 141, 50);
-		itemStacks.set(i, recipe.getResultItem());
+		builder
+				.addSlot(RecipeIngredientRole.OUTPUT, 142, 51)
+				.setBackground(getRenderedSlot(), -1, -1)
+				.addItemStack(recipe.getResultItem());
 	}
 
 	@Override
-	public void draw(BasinRecipe recipe, PoseStack matrixStack, double mouseX, double mouseY) {
+	public void draw(BasinRecipe recipe, IRecipeSlotsView iRecipeSlotsView, PoseStack matrixStack, double mouseX, double mouseY) {
 		if (type == PackingType.COMPACTING) {
-			super.draw(recipe, matrixStack, mouseX, mouseY);
-
+			super.draw(recipe, iRecipeSlotsView, matrixStack, mouseX, mouseY);
 		} else {
-			NonNullList<Ingredient> ingredients2 = recipe.getIngredients();
-			int size = ingredients2.size();
-			int rows = size == 4 ? 2 : 3;
-			for (int i = 0; i < size; i++)
-				AllGuiTextures.JEI_SLOT.render(matrixStack, (rows == 2 ? 26 : 17) + (i % rows) * 19,
-					50 - (i / rows) * 19);
-			AllGuiTextures.JEI_SLOT.render(matrixStack, 141, 50);
 			AllGuiTextures.JEI_DOWN_ARROW.render(matrixStack, 136, 32);
 			AllGuiTextures.JEI_SHADOW.render(matrixStack, 81, 68);
 		}
 
+
 		HeatCondition requiredHeat = recipe.getRequiredHeat();
 		if (requiredHeat != HeatCondition.NONE)
 			heater.withHeat(requiredHeat.visualizeAsBlazeBurner())
 				.draw(matrixStack, getBackground().getWidth() / 2 + 3, 55);
 		press.draw(matrixStack, getBackground().getWidth() / 2 + 3, 34);
+
+
 	}
 
 }

src/main/java/com/simibubi/create/compat/jei/category/PolishingCategory.java

@@ -1,7 +1,6 @@
 package com.simibubi.create.compat.jei.category;
 
-import java.util.Arrays;
-import java.util.List;
+import javax.annotation.ParametersAreNonnullByDefault;
 
 import com.mojang.blaze3d.vertex.PoseStack;
 import com.simibubi.create.AllItems;
@@ -10,18 +9,19 @@ import com.simibubi.create.content.curiosities.tools.SandPaperPolishingRecipe;
 import com.simibubi.create.foundation.gui.AllGuiTextures;
 import com.simibubi.create.foundation.gui.element.GuiGameElement;
 
-import mezz.jei.api.constants.VanillaTypes;
-import mezz.jei.api.gui.IRecipeLayout;
-import mezz.jei.api.gui.ingredient.IGuiItemStackGroup;
-import mezz.jei.api.ingredients.IIngredients;
+import mezz.jei.api.gui.builder.IRecipeLayoutBuilder;
+import mezz.jei.api.gui.ingredient.IRecipeSlotsView;
+import mezz.jei.api.recipe.IFocusGroup;
+import mezz.jei.api.recipe.RecipeIngredientRole;
 import net.minecraft.core.NonNullList;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.item.crafting.Ingredient;
 
+@ParametersAreNonnullByDefault
 public class PolishingCategory extends CreateRecipeCategory<SandPaperPolishingRecipe> {
 
-	private ItemStack renderedSandpaper;
+	private final ItemStack renderedSandpaper;
 
 	public PolishingCategory() {
 		super(itemIcon(AllItems.SAND_PAPER.get()), emptyBackground(177, 55));
@@ -34,31 +34,22 @@ public class PolishingCategory extends CreateRecipeCategory<SandPaperPolishingRe
 	}
 
 	@Override
-	public void setIngredients(SandPaperPolishingRecipe recipe, IIngredients ingredients) {
-		ingredients.setInputIngredients(recipe.getIngredients());
-		ingredients.setOutputs(VanillaTypes.ITEM, recipe.getRollableResultsAsItemStacks());
+	public void setRecipe(IRecipeLayoutBuilder builder, SandPaperPolishingRecipe recipe, IFocusGroup focuses) {
+		builder
+				.addSlot(RecipeIngredientRole.INPUT, 27, 29)
+				.setBackground(getRenderedSlot(), -1, -1)
+				.addIngredients(recipe.getIngredients().get(0));
+
+		ProcessingOutput output = recipe.getRollableResults().get(0);
+		builder
+				.addSlot(RecipeIngredientRole.OUTPUT, 132, 29)
+				.setBackground(getRenderedSlot(output), -1, -1)
+				.addItemStack(output.getStack())
+				.addTooltipCallback(addStochasticTooltip(output));
 	}
 
 	@Override
-	public void setRecipe(IRecipeLayout recipeLayout, SandPaperPolishingRecipe recipe, IIngredients ingredients) {
-		IGuiItemStackGroup itemStacks = recipeLayout.getItemStacks();
-		List<ProcessingOutput> results = recipe.getRollableResults();
-
-		itemStacks.init(0, true, 26, 28);
-		itemStacks.set(0, Arrays.asList(recipe.getIngredients()
-			.get(0)
-			.getItems()));
-		itemStacks.init(1, false, 131, 28);
-		itemStacks.set(1, results.get(0)
-			.getStack());
-
-		addStochasticTooltip(itemStacks, results);
-	}
-
-	@Override
-	public void draw(SandPaperPolishingRecipe recipe, PoseStack matrixStack, double mouseX, double mouseY) {
-		AllGuiTextures.JEI_SLOT.render(matrixStack, 26, 28);
-		getRenderedSlot(recipe, 0).render(matrixStack, 131, 28);
+	public void draw(SandPaperPolishingRecipe recipe, IRecipeSlotsView iRecipeSlotsView, PoseStack matrixStack, double mouseX, double mouseY) {
 		AllGuiTextures.JEI_SHADOW.render(matrixStack, 61, 21);
 		AllGuiTextures.JEI_LONG_ARROW.render(matrixStack, 52, 32);
 

src/main/java/com/simibubi/create/compat/jei/category/PressingCategory.java

@@ -1,8 +1,9 @@
 package com.simibubi.create.compat.jei.category;
 
-import java.util.Arrays;
 import java.util.List;
 
+import javax.annotation.ParametersAreNonnullByDefault;
+
 import com.mojang.blaze3d.vertex.PoseStack;
 import com.simibubi.create.AllBlocks;
 import com.simibubi.create.AllItems;
@@ -11,14 +12,15 @@ import com.simibubi.create.content.contraptions.components.press.PressingRecipe;
 import com.simibubi.create.content.contraptions.processing.ProcessingOutput;
 import com.simibubi.create.foundation.gui.AllGuiTextures;
 
-import mezz.jei.api.constants.VanillaTypes;
-import mezz.jei.api.gui.IRecipeLayout;
-import mezz.jei.api.gui.ingredient.IGuiItemStackGroup;
-import mezz.jei.api.ingredients.IIngredients;
+import mezz.jei.api.gui.builder.IRecipeLayoutBuilder;
+import mezz.jei.api.gui.ingredient.IRecipeSlotsView;
+import mezz.jei.api.recipe.IFocusGroup;
+import mezz.jei.api.recipe.RecipeIngredientRole;
 
+@ParametersAreNonnullByDefault
 public class PressingCategory extends CreateRecipeCategory<PressingRecipe> {
 
-	private AnimatedPress press = new AnimatedPress(false);
+	private final AnimatedPress press = new AnimatedPress(false);
 
 	public PressingCategory() {
 		super(doubleItemIcon(AllBlocks.MECHANICAL_PRESS.get(), AllItems.IRON_SHEET.get()), emptyBackground(177, 70));
@@ -30,38 +32,28 @@ public class PressingCategory extends CreateRecipeCategory<PressingRecipe> {
 	}
 
 	@Override
-	public void setIngredients(PressingRecipe recipe, IIngredients ingredients) {
-		ingredients.setInputIngredients(recipe.getIngredients());
-		ingredients.setOutputs(VanillaTypes.ITEM, recipe.getRollableResultsAsItemStacks());
-	}
-
-	@Override
-	public void setRecipe(IRecipeLayout recipeLayout, PressingRecipe recipe, IIngredients ingredients) {
-		IGuiItemStackGroup itemStacks = recipeLayout.getItemStacks();
-		itemStacks.init(0, true, 26, 50);
-		itemStacks.set(0, Arrays.asList(recipe.getIngredients()
-			.get(0)
-			.getItems()));
+	public void setRecipe(IRecipeLayoutBuilder builder, PressingRecipe recipe, IFocusGroup focuses) {
+		builder
+				.addSlot(RecipeIngredientRole.INPUT, 27, 51)
+				.setBackground(getRenderedSlot(), -1, -1)
+				.addIngredients(recipe.getIngredients().get(0));
 
 		List<ProcessingOutput> results = recipe.getRollableResults();
-		for (int outputIndex = 0; outputIndex < results.size(); outputIndex++) {
-			itemStacks.init(outputIndex + 1, false, 131 + 19 * outputIndex, 50);
-			itemStacks.set(outputIndex + 1, results.get(outputIndex)
-				.getStack());
+		int i = 0;
+		for (ProcessingOutput output : results) {
+			builder.addSlot(RecipeIngredientRole.OUTPUT, 131 + 19 * i, 50)
+					.setBackground(getRenderedSlot(output), -1, -1)
+					.addItemStack(output.getStack())
+					.addTooltipCallback(addStochasticTooltip(output));
+			i++;
 		}
-
-		addStochasticTooltip(itemStacks, results);
 	}
 
 	@Override
-	public void draw(PressingRecipe recipe, PoseStack matrixStack,  double mouseX, double mouseY) {
-		AllGuiTextures.JEI_SLOT.render(matrixStack, 26, 50);
-		getRenderedSlot(recipe, 0).render(matrixStack, 131, 50);
-		if (recipe.getRollableResults()
-			.size() > 1)
-			getRenderedSlot(recipe, 1).render(matrixStack, 131 + 19, 50);
+	public void draw(PressingRecipe recipe, IRecipeSlotsView iRecipeSlotsView, PoseStack matrixStack,  double mouseX, double mouseY) {
 		AllGuiTextures.JEI_SHADOW.render(matrixStack, 61, 41);
 		AllGuiTextures.JEI_LONG_ARROW.render(matrixStack, 52, 54);
+
 		press.draw(matrixStack, getBackground().getWidth() / 2 - 17, 22);
 	}
 

src/main/java/com/simibubi/create/compat/jei/category/ProcessingViaFanCategory.java

@@ -3,6 +3,8 @@ package com.simibubi.create.compat.jei.category;
 import java.util.List;
 import java.util.function.Supplier;
 
+import javax.annotation.ParametersAreNonnullByDefault;
+
 import com.mojang.blaze3d.vertex.PoseStack;
 import com.mojang.math.Vector3f;
 import com.simibubi.create.AllBlockPartials;
@@ -13,14 +15,15 @@ import com.simibubi.create.content.contraptions.processing.ProcessingRecipe;
 import com.simibubi.create.foundation.gui.AllGuiTextures;
 import com.simibubi.create.foundation.utility.Lang;
 
-import mezz.jei.api.constants.VanillaTypes;
-import mezz.jei.api.gui.IRecipeLayout;
+import mezz.jei.api.gui.builder.IRecipeLayoutBuilder;
 import mezz.jei.api.gui.drawable.IDrawable;
-import mezz.jei.api.gui.ingredient.IGuiItemStackGroup;
-import mezz.jei.api.ingredients.IIngredients;
+import mezz.jei.api.gui.ingredient.IRecipeSlotsView;
+import mezz.jei.api.recipe.IFocusGroup;
+import mezz.jei.api.recipe.RecipeIngredientRole;
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.item.crafting.Recipe;
 
+@ParametersAreNonnullByDefault
 public abstract class ProcessingViaFanCategory<T extends Recipe<?>> extends CreateRecipeCategory<T> {
 
 	protected static final int SCALE = 24;
@@ -39,24 +42,19 @@ public abstract class ProcessingViaFanCategory<T extends Recipe<?>> extends Crea
 	}
 
 	@Override
-	public void setIngredients(T recipe, IIngredients ingredients) {
-		ingredients.setInputIngredients(recipe.getIngredients());
-		ingredients.setOutput(VanillaTypes.ITEM, recipe.getResultItem());
+	public void setRecipe(IRecipeLayoutBuilder builder, T recipe, IFocusGroup focuses) {
+		builder
+				.addSlot(RecipeIngredientRole.INPUT, 21, 48)
+				.setBackground(getRenderedSlot(), -1, -1)
+				.addIngredients(recipe.getIngredients().get(0));
+		builder
+				.addSlot(RecipeIngredientRole.OUTPUT, 141, 48)
+				.setBackground(getRenderedSlot(), -1, -1)
+				.addItemStack(recipe.getResultItem());
 	}
 
 	@Override
-	public void setRecipe(IRecipeLayout recipeLayout, T recipe, IIngredients ingredients) {
-		IGuiItemStackGroup itemStacks = recipeLayout.getItemStacks();
-
-		itemStacks.init(0, true, 20, 47);
-		itemStacks.set(0, ingredients.getInputs(VanillaTypes.ITEM).get(0));
-
-		itemStacks.init(1, false, 140, 47);
-		itemStacks.set(1, ingredients.getOutputs(VanillaTypes.ITEM).get(0));
-	}
-
-	@Override
-	public void draw(T recipe, PoseStack matrixStack, double mouseX, double mouseY) {
+	public void draw(T recipe, IRecipeSlotsView iRecipeSlotsView, PoseStack matrixStack, double mouseX, double mouseY) {
 		renderWidgets(matrixStack, recipe, mouseX, mouseY);
 
 		matrixStack.pushPose();
@@ -83,8 +81,6 @@ public abstract class ProcessingViaFanCategory<T extends Recipe<?>> extends Crea
 		AllGuiTextures.JEI_SHADOW.render(matrixStack, 46, 29);
 		getBlockShadow().render(matrixStack, 65, 39);
 		AllGuiTextures.JEI_LONG_ARROW.render(matrixStack, 54, 51);
-		AllGuiTextures.JEI_SLOT.render(matrixStack, 20, 47);
-		AllGuiTextures.JEI_SLOT.render(matrixStack, 140, 47);
 	}
 
 	protected AllGuiTextures getBlockShadow() {
@@ -103,57 +99,40 @@ public abstract class ProcessingViaFanCategory<T extends Recipe<?>> extends Crea
 			super(icon);
 		}
 
-		public MultiOutput(int width, IDrawable icon) {
-			super(width, icon);
-		}
-
 		@Override
-		public void setIngredients(T recipe, IIngredients ingredients) {
-			ingredients.setInputIngredients(recipe.getIngredients());
-			ingredients.setOutputs(VanillaTypes.ITEM, recipe.getRollableResultsAsItemStacks());
-		}
-
-		@Override
-		public void setRecipe(IRecipeLayout recipeLayout, T recipe, IIngredients ingredients) {
-			IGuiItemStackGroup itemStacks = recipeLayout.getItemStacks();
-
+		public void setRecipe(IRecipeLayoutBuilder builder, T recipe, IFocusGroup focuses) {
 			List<ProcessingOutput> results = recipe.getRollableResults();
 			int xOffsetAmount = 1 - Math.min(3, results.size());
 
-			itemStacks.init(0, true, 5 * xOffsetAmount + 20, 47);
-			itemStacks.set(0, ingredients.getInputs(VanillaTypes.ITEM).get(0));
+			builder
+					.addSlot(RecipeIngredientRole.INPUT, 5 * xOffsetAmount + 21, 48)
+					.setBackground(getRenderedSlot(), -1, -1)
+					.addIngredients(recipe.getIngredients().get(0));
 
-			int xOffsetOutput = 9 * xOffsetAmount;
+			int i = 0;
 			boolean excessive = results.size() > 9;
-			for (int outputIndex = 0; outputIndex < results.size(); outputIndex++) {
-				int xOffset = (outputIndex % 3) * 19 + xOffsetOutput;
-				int yOffset = (outputIndex / 3) * -19 + (excessive ? 8 : 0);
+			for (ProcessingOutput output : results) {
+				int xOffset = (i % 3) * 19 + 9 * xOffsetAmount;
+				int yOffset = (i / 3) * -19 + (excessive ? 8 : 0);
 
-				itemStacks.init(outputIndex + 1, false, 140 + xOffset, 47 + yOffset);
-				itemStacks.set(outputIndex + 1, results.get(outputIndex).getStack());
+				builder
+						.addSlot(RecipeIngredientRole.OUTPUT, 141 + xOffset, 48 + yOffset)
+						.setBackground(getRenderedSlot(output), -1, -1)
+						.addItemStack(output.getStack())
+						.addTooltipCallback(addStochasticTooltip(output));
+				i++;
 			}
-
-			addStochasticTooltip(itemStacks, results);
 		}
 
 		@Override
 		protected void renderWidgets(PoseStack matrixStack, T recipe, double mouseX, double mouseY) {
-			int size = recipe.getRollableResultsAsItemStacks()
-				.size();
+			int size = recipe.getRollableResultsAsItemStacks().size();
 			int xOffsetAmount = 1 - Math.min(3, size);
 
 			AllGuiTextures.JEI_SHADOW.render(matrixStack, 46, 29);
 			getBlockShadow().render(matrixStack, 65, 39);
 			AllGuiTextures.JEI_LONG_ARROW.render(matrixStack, 7 * xOffsetAmount + 54, 51);
-			AllGuiTextures.JEI_SLOT.render(matrixStack, 5 * xOffsetAmount + 20, 47);
 
-			int xOffsetOutput = 9 * xOffsetAmount;
-			boolean excessive = size > 9;
-			for (int i = 0; i < size; i++) {
-				int xOffset = (i % 3) * 19 + xOffsetOutput;
-				int yOffset = (i / 3) * -19 + (excessive ? 8 : 0);
-				getRenderedSlot(recipe, i).render(matrixStack, 140 + xOffset, 47 + yOffset);
-			}
 		}
 
 	}

src/main/java/com/simibubi/create/compat/jei/category/SawingCategory.java

@@ -1,8 +1,9 @@
 package com.simibubi.create.compat.jei.category;
 
-import java.util.Arrays;
 import java.util.List;
 
+import javax.annotation.ParametersAreNonnullByDefault;
+
 import com.mojang.blaze3d.vertex.PoseStack;
 import com.simibubi.create.AllBlocks;
 import com.simibubi.create.compat.jei.category.animations.AnimatedSaw;
@@ -10,15 +11,16 @@ import com.simibubi.create.content.contraptions.components.saw.CuttingRecipe;
 import com.simibubi.create.content.contraptions.processing.ProcessingOutput;
 import com.simibubi.create.foundation.gui.AllGuiTextures;
 
-import mezz.jei.api.constants.VanillaTypes;
-import mezz.jei.api.gui.IRecipeLayout;
-import mezz.jei.api.gui.ingredient.IGuiItemStackGroup;
-import mezz.jei.api.ingredients.IIngredients;
+import mezz.jei.api.gui.builder.IRecipeLayoutBuilder;
+import mezz.jei.api.gui.ingredient.IRecipeSlotsView;
+import mezz.jei.api.recipe.IFocusGroup;
+import mezz.jei.api.recipe.RecipeIngredientRole;
 import net.minecraft.world.item.Items;
 
+@ParametersAreNonnullByDefault
 public class SawingCategory extends CreateRecipeCategory<CuttingRecipe> {
 
-	private AnimatedSaw saw = new AnimatedSaw();
+	private final AnimatedSaw saw = new AnimatedSaw();
 
 	public SawingCategory() {
 		super(doubleItemIcon(AllBlocks.MECHANICAL_SAW.get(), Items.OAK_LOG), emptyBackground(177, 70));
@@ -30,44 +32,31 @@ public class SawingCategory extends CreateRecipeCategory<CuttingRecipe> {
 	}
 
 	@Override
-	public void setIngredients(CuttingRecipe recipe, IIngredients ingredients) {
-		ingredients.setInputIngredients(recipe.getIngredients());
-		ingredients.setOutputs(VanillaTypes.ITEM, recipe.getRollableResultsAsItemStacks());
-	}
-
-	@Override
-	public void setRecipe(IRecipeLayout recipeLayout, CuttingRecipe recipe, IIngredients ingredients) {
-		IGuiItemStackGroup itemStacks = recipeLayout.getItemStacks();
-		itemStacks.init(0, true, 43, 4);
-		itemStacks.set(0, Arrays.asList(recipe.getIngredients()
-			.get(0)
-			.getItems()));
+	public void setRecipe(IRecipeLayoutBuilder builder, CuttingRecipe recipe, IFocusGroup focuses) {
+		builder
+				.addSlot(RecipeIngredientRole.INPUT, 44, 5)
+				.setBackground(getRenderedSlot(), -1, -1)
+				.addIngredients(recipe.getIngredients().get(0));
 
 		List<ProcessingOutput> results = recipe.getRollableResults();
-		for (int outputIndex = 0; outputIndex < results.size(); outputIndex++) {
-			int xOffset = outputIndex % 2 == 0 ? 0 : 19;
-			int yOffset = (outputIndex / 2) * -19;
-
-			itemStacks.init(outputIndex + 1, false, 117 + xOffset, 47 + yOffset);
-			itemStacks.set(outputIndex + 1, results.get(outputIndex)
-				.getStack());
+		int i = 0;
+		for (ProcessingOutput output : results) {
+			int xOffset = i % 2 == 0 ? 0 : 19;
+			int yOffset = (i / 2) * -19;
+			builder
+					.addSlot(RecipeIngredientRole.OUTPUT, 118 + xOffset, 48 + yOffset)
+					.setBackground(getRenderedSlot(output), -1, -1)
+					.addItemStack(output.getStack())
+					.addTooltipCallback(addStochasticTooltip(output));
+			i++;
 		}
-
-		addStochasticTooltip(itemStacks, results);
 	}
 
 	@Override
-	public void draw(CuttingRecipe recipe, PoseStack matrixStack, double mouseX, double mouseY) {
-		AllGuiTextures.JEI_SLOT.render(matrixStack, 43, 4);
-		int size = recipe.getRollableResults()
-			.size();
-		for (int i = 0; i < size; i++) {
-			int xOffset = i % 2 == 0 ? 0 : 19;
-			int yOffset = (i / 2) * -19;
-			getRenderedSlot(recipe, i).render(matrixStack, 117 + xOffset, 47 + yOffset);
-		}
+	public void draw(CuttingRecipe recipe, IRecipeSlotsView iRecipeSlotsView, PoseStack matrixStack, double mouseX, double mouseY) {
 		AllGuiTextures.JEI_DOWN_ARROW.render(matrixStack, 70, 6);
 		AllGuiTextures.JEI_SHADOW.render(matrixStack, 72 - 17, 42 + 13);
+
 		saw.draw(matrixStack, 72, 42);
 	}
 

src/main/java/com/simibubi/create/compat/jei/category/SequencedAssemblyCategory.java

@@ -1,29 +1,28 @@
 package com.simibubi.create.compat.jei.category;
 
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
-import java.util.stream.Collectors;
 
-import com.google.common.collect.ImmutableList;
+import javax.annotation.ParametersAreNonnullByDefault;
+
+import org.jetbrains.annotations.NotNull;
+
 import com.mojang.blaze3d.vertex.PoseStack;
 import com.simibubi.create.AllItems;
 import com.simibubi.create.compat.jei.EmptyBackground;
 import com.simibubi.create.compat.jei.category.sequencedAssembly.SequencedAssemblySubCategory;
 import com.simibubi.create.content.contraptions.itemAssembly.SequencedAssemblyRecipe;
 import com.simibubi.create.content.contraptions.itemAssembly.SequencedRecipe;
-import com.simibubi.create.foundation.fluid.FluidIngredient;
 import com.simibubi.create.foundation.gui.AllGuiTextures;
 import com.simibubi.create.foundation.gui.AllIcons;
 import com.simibubi.create.foundation.utility.Lang;
 
-import mezz.jei.api.constants.VanillaTypes;
-import mezz.jei.api.gui.IRecipeLayout;
-import mezz.jei.api.gui.ingredient.IGuiFluidStackGroup;
-import mezz.jei.api.gui.ingredient.IGuiItemStackGroup;
-import mezz.jei.api.ingredients.IIngredients;
+import mezz.jei.api.gui.builder.IRecipeLayoutBuilder;
+import mezz.jei.api.gui.ingredient.IRecipeSlotsView;
+import mezz.jei.api.recipe.IFocusGroup;
+import mezz.jei.api.recipe.RecipeIngredientRole;
 import net.minecraft.ChatFormatting;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.Font;
@@ -31,9 +30,8 @@ import net.minecraft.network.chat.Component;
 import net.minecraft.network.chat.TextComponent;
 import net.minecraft.network.chat.TranslatableComponent;
 import net.minecraft.resources.ResourceLocation;
-import net.minecraft.world.item.ItemStack;
-import net.minecraft.world.item.crafting.Ingredient;
 
+@ParametersAreNonnullByDefault
 public class SequencedAssemblyCategory extends CreateRecipeCategory<SequencedAssemblyRecipe> {
 
 	Map<ResourceLocation, SequencedAssemblySubCategory> subCategories = new HashMap<>();
@@ -48,31 +46,26 @@ public class SequencedAssemblyCategory extends CreateRecipeCategory<SequencedAss
 	}
 
 	@Override
-	public void setIngredients(SequencedAssemblyRecipe recipe, IIngredients ingredients) {
-		List<Ingredient> assemblyIngredients = getAllItemIngredients(recipe);
-		List<FluidIngredient> assemblyFluidIngredients = getAllFluidIngredients(recipe);
-		ingredients.setInputIngredients(assemblyIngredients);
-		if (!assemblyFluidIngredients.isEmpty())
-			ingredients.setInputLists(VanillaTypes.FLUID, assemblyFluidIngredients.stream()
-				.map(FluidIngredient::getMatchingFluidStacks)
-				.collect(Collectors.toList()));
-		ingredients.setOutputs(VanillaTypes.ITEM,
-			ImmutableList.of(recipe.getResultItem(), recipe.getTransitionalItem()));
-	}
+	public void setRecipe(IRecipeLayoutBuilder builder, SequencedAssemblyRecipe recipe, IFocusGroup focuses) {
+		boolean noRandomOutput = recipe.getOutputChance() == 1;
+		int xOffset = noRandomOutput ? 0 : -7;
 
-	@Override
-	public void setRecipe(IRecipeLayout recipeLayout, SequencedAssemblyRecipe recipe, IIngredients ingredients) {
-		IGuiItemStackGroup itemStacks = recipeLayout.getItemStacks();
-		IGuiFluidStackGroup fluidStacks = recipeLayout.getFluidStacks();
-		int xOffset = recipe.getOutputChance() == 1 ? 0 : -7;
+		builder
+				.addSlot(RecipeIngredientRole.INPUT, 27 + xOffset, 91)
+				.setBackground(getRenderedSlot(), -1, -1)
+				.addItemStacks(List.of(recipe.getIngredient().getItems()));
+		builder
+				.addSlot(RecipeIngredientRole.OUTPUT, 132 + xOffset, 91)
+				.setBackground(getRenderedSlot(recipe.getOutputChance()), -1 , -1)
+				.addItemStack(recipe.getResultItem())
+				.addTooltipCallback((recipeSlotView, tooltip) -> {
+					if (noRandomOutput)
+						return;
 
-		itemStacks.init(0, true, 26 + xOffset, 90);
-		itemStacks.set(0, Arrays.asList(recipe.getIngredient()
-			.getItems()));
-
-		ItemStack result = recipe.getResultItem();
-		itemStacks.init(1, false, 131 + xOffset, 90);
-		itemStacks.set(1, result);
+					float chance = recipe.getOutputChance();
+					tooltip.add(1, Lang.translate("recipe.processing.chance", chance < 0.01 ? "<1" : (int) (chance * 100))
+							.withStyle(ChatFormatting.GOLD));
+				});
 
 		int width = 0;
 		int margin = 3;
@@ -80,34 +73,12 @@ public class SequencedAssemblyCategory extends CreateRecipeCategory<SequencedAss
 			width += getSubCategory(sequencedRecipe).getWidth() + margin;
 		width -= margin;
 		int x = width / -2 + getBackground().getWidth() / 2;
-		int index = 2;
-		int fluidIndex = 0;
+
 		for (SequencedRecipe<?> sequencedRecipe : recipe.getSequence()) {
 			SequencedAssemblySubCategory subCategory = getSubCategory(sequencedRecipe);
-			index += subCategory.addItemIngredients(sequencedRecipe, itemStacks, x, index);
-			fluidIndex += subCategory.addFluidIngredients(sequencedRecipe, fluidStacks, x, fluidIndex);
+			subCategory.setRecipe(builder, sequencedRecipe, focuses, x);
 			x += subCategory.getWidth() + margin;
 		}
-		
-		// In case machines should be displayed as ingredients
-		
-//		List<List<ItemStack>> inputs = ingredients.getInputs(VanillaTypes.ITEM);
-//		int catalystX = -2;
-//		int catalystY = 14;
-//		for (; index < inputs.size(); index++) {
-//			itemStacks.init(index, true, catalystX, catalystY);
-//			itemStacks.set(index, inputs.get(index));
-//			catalystY += 19;
-//		}
-
-		itemStacks.addTooltipCallback((slotIndex, input, ingredient, tooltip) -> {
-			if (slotIndex != 1)
-				return;
-			float chance = recipe.getOutputChance();
-			if (chance != 1)
-				tooltip.add(1, Lang.translate("recipe.processing.chance", chance < 0.01 ? "<1" : (int) (chance * 100))
-					.withStyle(ChatFormatting.GOLD));
-		});
 	}
 
 	private SequencedAssemblySubCategory getSubCategory(SequencedRecipe<?> sequencedRecipe) {
@@ -124,7 +95,7 @@ public class SequencedAssemblyCategory extends CreateRecipeCategory<SequencedAss
 	final String[] romans = { "I", "II", "III", "IV", "V", "VI", "-" };
 
 	@Override
-	public void draw(SequencedAssemblyRecipe recipe, PoseStack matrixStack, double mouseX, double mouseY) {
+	public void draw(SequencedAssemblyRecipe recipe, IRecipeSlotsView iRecipeSlotsView, PoseStack matrixStack, double mouseX, double mouseY) {
 		Font font = Minecraft.getInstance().font;
 
 		matrixStack.pushPose();
@@ -133,8 +104,6 @@ public class SequencedAssemblyCategory extends CreateRecipeCategory<SequencedAss
 		matrixStack.translate(0, 15, 0);
 		boolean singleOutput = recipe.getOutputChance() == 1;
 		int xOffset = singleOutput ? 0 : -7;
-		AllGuiTextures.JEI_SLOT.render(matrixStack, 26 + xOffset, 75);
-		(singleOutput ? AllGuiTextures.JEI_SLOT : AllGuiTextures.JEI_CHANCE_SLOT).render(matrixStack, 131 + xOffset, 75);
 		AllGuiTextures.JEI_LONG_ARROW.render(matrixStack, 52 + xOffset, 79);
 		if (!singleOutput) {
 			AllGuiTextures.JEI_CHANCE_SLOT.render(matrixStack, 150 + xOffset, 75);
@@ -178,8 +147,9 @@ public class SequencedAssemblyCategory extends CreateRecipeCategory<SequencedAss
 	}
 
 	@Override
-	public List<Component> getTooltipStrings(SequencedAssemblyRecipe recipe, double mouseX, double mouseY) {
-		List<Component> tooltip = new ArrayList<Component>();
+	@NotNull
+	public List<Component> getTooltipStrings(SequencedAssemblyRecipe recipe, IRecipeSlotsView iRecipeSlotsView, double mouseX, double mouseY) {
+		List<Component> tooltip = new ArrayList<>();
 
 		TranslatableComponent junk = Lang.translate("recipe.assembly.junk");
 
@@ -235,19 +205,4 @@ public class SequencedAssemblyCategory extends CreateRecipeCategory<SequencedAss
 
 		return tooltip;
 	}
-
-	private List<FluidIngredient> getAllFluidIngredients(SequencedAssemblyRecipe recipe) {
-		List<FluidIngredient> assemblyFluidIngredients = new ArrayList<>();
-		recipe.addAdditionalFluidIngredients(assemblyFluidIngredients);
-		return assemblyFluidIngredients;
-	}
-
-	private List<Ingredient> getAllItemIngredients(SequencedAssemblyRecipe recipe) {
-		List<Ingredient> assemblyIngredients = new ArrayList<>();
-		assemblyIngredients.add(recipe.getIngredient());
-		assemblyIngredients.add(Ingredient.of(recipe.getTransitionalItem()));
-		recipe.addAdditionalIngredientsAndMachines(assemblyIngredients);
-		return assemblyIngredients;
-	}
-
 }

src/main/java/com/simibubi/create/compat/jei/category/SpoutCategory.java

@@ -1,13 +1,10 @@
 package com.simibubi.create.compat.jei.category;
 
-import java.util.Arrays;
 import java.util.Collection;
-import java.util.Collections;
-import java.util.List;
 import java.util.function.Consumer;
-import java.util.stream.Collectors;
 
-import com.google.common.collect.ImmutableList;
+import javax.annotation.ParametersAreNonnullByDefault;
+
 import com.mojang.blaze3d.vertex.PoseStack;
 import com.simibubi.create.AllBlocks;
 import com.simibubi.create.Create;
@@ -20,10 +17,10 @@ import com.simibubi.create.foundation.fluid.FluidIngredient;
 import com.simibubi.create.foundation.gui.AllGuiTextures;
 
 import mezz.jei.api.constants.VanillaTypes;
-import mezz.jei.api.gui.IRecipeLayout;
-import mezz.jei.api.gui.ingredient.IGuiFluidStackGroup;
-import mezz.jei.api.gui.ingredient.IGuiItemStackGroup;
-import mezz.jei.api.ingredients.IIngredients;
+import mezz.jei.api.gui.builder.IRecipeLayoutBuilder;
+import mezz.jei.api.gui.ingredient.IRecipeSlotsView;
+import mezz.jei.api.recipe.IFocusGroup;
+import mezz.jei.api.recipe.RecipeIngredientRole;
 import mezz.jei.api.runtime.IIngredientManager;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.world.item.ItemStack;
@@ -36,9 +33,10 @@ import net.minecraftforge.fluids.capability.CapabilityFluidHandler;
 import net.minecraftforge.fluids.capability.IFluidHandler.FluidAction;
 import net.minecraftforge.fluids.capability.IFluidHandlerItem;
 
+@ParametersAreNonnullByDefault
 public class SpoutCategory extends CreateRecipeCategory<FillingRecipe> {
 
-	AnimatedSpout spout;
+	private final AnimatedSpout spout;
 
 	public SpoutCategory() {
 		super(doubleItemIcon(AllBlocks.SPOUT.get(), Items.WATER_BUCKET), emptyBackground(177, 70));
@@ -102,45 +100,24 @@ public class SpoutCategory extends CreateRecipeCategory<FillingRecipe> {
 	}
 
 	@Override
-	public void setIngredients(FillingRecipe recipe, IIngredients ingredients) {
-		ingredients.setInputIngredients(recipe.getIngredients());
-		ingredients.setInputLists(VanillaTypes.FLUID, recipe.getFluidIngredients()
-			.stream()
-			.map(FluidIngredient::getMatchingFluidStacks)
-			.collect(Collectors.toList()));
-
-		if (!recipe.getRollableResults()
-			.isEmpty())
-			ingredients.setOutput(VanillaTypes.ITEM, recipe.getResultItem());
-		if (!recipe.getFluidResults()
-			.isEmpty())
-			ingredients.setOutputs(VanillaTypes.FLUID, recipe.getFluidResults());
+	public void setRecipe(IRecipeLayoutBuilder builder, FillingRecipe recipe, IFocusGroup focuses) {
+		builder
+				.addSlot(RecipeIngredientRole.INPUT, 27, 51)
+				.setBackground(getRenderedSlot(), -1, -1)
+				.addIngredients(recipe.getIngredients().get(0));
+		builder
+				.addSlot(RecipeIngredientRole.INPUT, 27, 32)
+				.setBackground(getRenderedSlot(), -1, -1)
+				.addIngredients(VanillaTypes.FLUID, withImprovedVisibility(recipe.getRequiredFluid().getMatchingFluidStacks()))
+				.addTooltipCallback(addFluidTooltip(recipe.getRequiredFluid().getRequiredAmount()));
+		builder
+				.addSlot(RecipeIngredientRole.OUTPUT, 132, 51)
+				.setBackground(getRenderedSlot(), -1, -1)
+				.addItemStack(recipe.getResultItem());
 	}
 
 	@Override
-	public void setRecipe(IRecipeLayout recipeLayout, FillingRecipe recipe, IIngredients ingredients) {
-		IGuiItemStackGroup itemStacks = recipeLayout.getItemStacks();
-		IGuiFluidStackGroup fluidStacks = recipeLayout.getFluidStacks();
-		FluidIngredient fluidIngredient = recipe.getRequiredFluid();
-		List<ItemStack> matchingIngredients = Arrays.asList(recipe.getIngredients()
-			.get(0)
-			.getItems());
-
-		fluidStacks.init(0, true, 27, 32);
-		fluidStacks.set(0, withImprovedVisibility(fluidIngredient.getMatchingFluidStacks()));
-		itemStacks.init(0, true, 26, 50);
-		itemStacks.set(0, matchingIngredients);
-		itemStacks.init(1, false, 131, 50);
-		itemStacks.set(1, recipe.getResultItem());
-
-		addFluidTooltip(fluidStacks, ImmutableList.of(fluidIngredient), Collections.emptyList());
-	}
-
-	@Override
-	public void draw(FillingRecipe recipe, PoseStack matrixStack, double mouseX, double mouseY) {
-		AllGuiTextures.JEI_SLOT.render(matrixStack, 26, 31);
-		AllGuiTextures.JEI_SLOT.render(matrixStack, 26, 50);
-		getRenderedSlot(recipe, 0).render(matrixStack, 131, 50);
+	public void draw(FillingRecipe recipe, IRecipeSlotsView iRecipeSlotsView, PoseStack matrixStack, double mouseX, double mouseY) {
 		AllGuiTextures.JEI_SHADOW.render(matrixStack, 62, 57);
 		AllGuiTextures.JEI_DOWN_ARROW.render(matrixStack, 126, 29);
 		spout.withFluids(recipe.getRequiredFluid()

src/main/java/com/simibubi/create/compat/jei/category/sequencedAssembly/SequencedAssemblySubCategory.java

@@ -1,9 +1,5 @@
 package com.simibubi.create.compat.jei.category.sequencedAssembly;
 
-import java.util.Arrays;
-import java.util.Collections;
-
-import com.google.common.collect.ImmutableList;
 import com.mojang.blaze3d.vertex.PoseStack;
 import com.simibubi.create.compat.jei.category.CreateRecipeCategory;
 import com.simibubi.create.compat.jei.category.animations.AnimatedDeployer;
@@ -11,19 +7,20 @@ import com.simibubi.create.compat.jei.category.animations.AnimatedPress;
 import com.simibubi.create.compat.jei.category.animations.AnimatedSaw;
 import com.simibubi.create.compat.jei.category.animations.AnimatedSpout;
 import com.simibubi.create.content.contraptions.components.deployer.DeployerApplicationRecipe;
-import com.simibubi.create.content.contraptions.itemAssembly.IAssemblyRecipe;
 import com.simibubi.create.content.contraptions.itemAssembly.SequencedRecipe;
 import com.simibubi.create.foundation.fluid.FluidIngredient;
-import com.simibubi.create.foundation.gui.AllGuiTextures;
 import com.simibubi.create.foundation.utility.Lang;
 
-import mezz.jei.api.gui.ingredient.IGuiFluidStackGroup;
-import mezz.jei.api.gui.ingredient.IGuiItemStackGroup;
+import mezz.jei.api.constants.VanillaTypes;
+import mezz.jei.api.gui.builder.IRecipeLayoutBuilder;
+import mezz.jei.api.gui.builder.IRecipeSlotBuilder;
+import mezz.jei.api.recipe.IFocusGroup;
+import mezz.jei.api.recipe.RecipeIngredientRole;
 import net.minecraft.ChatFormatting;
 
 public abstract class SequencedAssemblySubCategory {
 
-	private int width;
+	private final int width;
 
 	public SequencedAssemblySubCategory(int width) {
 		this.width = width;
@@ -33,13 +30,7 @@ public abstract class SequencedAssemblySubCategory {
 		return width;
 	}
 
-	public int addItemIngredients(SequencedRecipe<?> recipe, IGuiItemStackGroup itemStacks, int x, int index) {
-		return 0;
-	}
-
-	public int addFluidIngredients(SequencedRecipe<?> recipe, IGuiFluidStackGroup fluidStacks, int x, int index) {
-		return 0;
-	}
+	public void setRecipe(IRecipeLayoutBuilder builder, SequencedRecipe<?> recipe, IFocusGroup focuses, int x) {}
 
 	public abstract void draw(SequencedRecipe<?> recipe, PoseStack ms, double mouseX, double mouseY, int index);
 
@@ -74,22 +65,21 @@ public abstract class SequencedAssemblySubCategory {
 		}
 
 		@Override
-		public int addFluidIngredients(SequencedRecipe<?> recipe, IGuiFluidStackGroup fluidStacks, int x, int index) {
+		public void setRecipe(IRecipeLayoutBuilder builder, SequencedRecipe<?> recipe, IFocusGroup focuses, int x) {
 			FluidIngredient fluidIngredient = recipe.getRecipe()
 					.getFluidIngredients()
 					.get(0);
-			fluidStacks.init(index, true, x + 4, 15);
-			fluidStacks.set(index,
-				CreateRecipeCategory.withImprovedVisibility(fluidIngredient.getMatchingFluidStacks()));
-			CreateRecipeCategory.addFluidTooltip(fluidStacks, ImmutableList.of(fluidIngredient),
-				Collections.emptyList(), index);
-			return 1;
+
+			builder
+					.addSlot(RecipeIngredientRole.INPUT, x + 4, 15)
+					.setBackground(CreateRecipeCategory.getRenderedSlot(), -1, -1)
+					.addIngredients(VanillaTypes.FLUID, CreateRecipeCategory.withImprovedVisibility(fluidIngredient.getMatchingFluidStacks()))
+					.addTooltipCallback(CreateRecipeCategory.addFluidTooltip(fluidIngredient.getRequiredAmount()));
 		}
 
 		@Override
 		public void draw(SequencedRecipe<?> recipe, PoseStack ms, double mouseX, double mouseY, int index) {
 			spout.offset = index;
-			AllGuiTextures.JEI_SLOT.render(ms, 3, 14);
 			ms.pushPose();
 			ms.translate(-7, 50, 0);
 			ms.scale(.75f, .75f, .75f);
@@ -113,26 +103,17 @@ public abstract class SequencedAssemblySubCategory {
 		}
 
 		@Override
-		public int addItemIngredients(SequencedRecipe<?> recipe, IGuiItemStackGroup itemStacks, int x, int index) {
-			itemStacks.init(index, true, x + 3, 14);
-			itemStacks.set(index, Arrays.asList(recipe.getRecipe()
-				.getIngredients()
-				.get(1)
-				.getItems()));
+		public void setRecipe(IRecipeLayoutBuilder builder, SequencedRecipe<?> recipe, IFocusGroup focuses, int x) {
+			IRecipeSlotBuilder slot = builder
+					.addSlot(RecipeIngredientRole.INPUT, x + 4, 15)
+					.setBackground(CreateRecipeCategory.getRenderedSlot(), -1, -1)
+					.addIngredients(recipe.getRecipe().getIngredients().get(1));
 
-			IAssemblyRecipe contained = recipe.getAsAssemblyRecipe();
-			if (contained instanceof DeployerApplicationRecipe && ((DeployerApplicationRecipe) contained).shouldKeepHeldItem()) {
-				itemStacks.addTooltipCallback((slotIndex, input, ingredient, tooltip) -> {
-					if (!input)
-						return;
-					if (slotIndex != index)
-						return;
-					tooltip.add(1, Lang.translate("recipe.deploying.not_consumed")
-						.withStyle(ChatFormatting.GOLD));
-				});
+			if (recipe.getAsAssemblyRecipe() instanceof DeployerApplicationRecipe deployerRecipe && deployerRecipe.shouldKeepHeldItem()) {
+				slot.addTooltipCallback(
+						(recipeSlotView, tooltip) -> tooltip.add(1, Lang.translate("recipe.deploying.not_consumed").withStyle(ChatFormatting.GOLD))
+				);
 			}
-			
-			return 1;
 		}
 
 		@Override
@@ -143,7 +124,6 @@ public abstract class SequencedAssemblySubCategory {
 			ms.scale(.75f, .75f, .75f);
 			deployer.draw(ms, getWidth() / 2, 0);
 			ms.popPose();
-			AllGuiTextures.JEI_SLOT.render(ms, 3, 14);
 		}
 
 	}

src/main/java/com/simibubi/create/foundation/utility/CameraAngleAnimationService.java

@@ -3,6 +3,7 @@ package com.simibubi.create.foundation.utility;
 import com.simibubi.create.foundation.utility.animation.LerpedFloat;
 
 import net.minecraft.client.Minecraft;
+import net.minecraft.util.Mth;
 
 public class CameraAngleAnimationService {
 
@@ -14,6 +15,9 @@ public class CameraAngleAnimationService {
 
 	public static void tick() {
 
+		yRotation.tickChaser();
+		xRotation.tickChaser();
+
 		if (Minecraft.getInstance().player != null) {
 			if (!yRotation.settled())
 				Minecraft.getInstance().player.setYRot(yRotation.getValue(1));
@@ -21,9 +25,6 @@ public class CameraAngleAnimationService {
 			if (!xRotation.settled())
 				Minecraft.getInstance().player.setXRot(xRotation.getValue(1));
 		}
-
-		yRotation.tickChaser();
-		xRotation.tickChaser();
 	}
 
 	public static boolean isYawAnimating() {
@@ -51,27 +52,28 @@ public class CameraAngleAnimationService {
 	}
 
 	public static void setYawTarget(float yaw) {
-		yRotation.startWithValue(getCurrentYaw());
-		setupChaser(yRotation, yaw);
+		float currentYaw = getCurrentYaw();
+		yRotation.startWithValue(currentYaw);
+		setupChaser(yRotation, currentYaw + AngleHelper.getShortestAngleDiff(currentYaw, Mth.wrapDegrees(yaw)));
 	}
 
 	public static void setPitchTarget(float pitch) {
-		xRotation.startWithValue(getCurrentPitch());
-		setupChaser(xRotation, pitch);
+		float currentPitch = getCurrentPitch();
+		xRotation.startWithValue(currentPitch);
+		setupChaser(xRotation, currentPitch + AngleHelper.getShortestAngleDiff(currentPitch, Mth.wrapDegrees(pitch)));
 	}
 
 	private static float getCurrentYaw() {
 		if (Minecraft.getInstance().player == null)
 			return 0;
-
-		return Minecraft.getInstance().player.getYRot();
+		return Mth.wrapDegrees(Minecraft.getInstance().player.getYRot());
 	}
 
 	private static float getCurrentPitch() {
 		if (Minecraft.getInstance().player == null)
 			return 0;
 
-		return Minecraft.getInstance().player.getXRot();
+		return Mth.wrapDegrees(Minecraft.getInstance().player.getXRot());
 	}
 
 	private static void setupChaser(LerpedFloat rotation, float target) {