2 files changed, 92 insertions, 0 deletions
diff --git a/src/main/java/net/minecraft/recipe/REIBrewingRecipeRegistry.java b/src/main/java/net/minecraft/recipe/REIBrewingRecipeRegistry.java
new file mode 100644
index 000000000..0622afa6e
--- /dev/null
+++ b/src/main/java/net/minecraft/recipe/REIBrewingRecipeRegistry.java
@@ -0,0 +1,56 @@
+package net.minecraft.recipe;
+
+import com.google.common.collect.Lists;
+import me.shedaniel.rei.api.RecipeHelper;
+import me.shedaniel.rei.plugin.BrewingRecipe;
+import me.shedaniel.rei.plugin.DefaultBrewingDisplay;
+import me.shedaniel.rei.plugin.DefaultPlugin;
+import net.minecraft.item.Item;
+import net.minecraft.potion.Potion;
+import net.minecraft.potion.PotionUtil;
+
+import java.util.Arrays;
+import java.util.List;
+
+public class REIBrewingRecipeRegistry {
+    
+    public static void registerDisplays(RecipeHelper recipeHelper) {
+        List<Potion> registeredPotionTypes = Lists.newArrayList();
+        List<BrewingRecipe> potionItemConversions = Lists.newArrayList();
+        List<Ingredient> potionItems = REIPotionRecipeUtils.getPotionTypes();
+        REIPotionRecipeUtils.getItemRecipes().forEach(o -> {
+            try {
+                Item input = (Item) REIPotionRecipeUtils.getInputFromRecipe(o);
+                Item output = (Item) REIPotionRecipeUtils.getOutputFromRecipe(o);
+                Ingredient reagent = REIPotionRecipeUtils.getIngredientFromRecipe(o);
+                potionItemConversions.add(new BrewingRecipe(input, reagent, output));
+            } catch (Throwable throwable) {
+                throwable.printStackTrace();
+            }
+        });
+        REIPotionRecipeUtils.getPotionRecipes().forEach(o -> {
+            try {
+                Potion input = (Potion) REIPotionRecipeUtils.getInputFromRecipe(o);
+                Potion output = (Potion) REIPotionRecipeUtils.getOutputFromRecipe(o);
+                Ingredient ingredient = REIPotionRecipeUtils.getIngredientFromRecipe(o);
+                if (!registeredPotionTypes.contains(input))
+                    registerPotionType(recipeHelper, registeredPotionTypes, potionItemConversions, input);
+                if (!registeredPotionTypes.contains(output))
+                    registerPotionType(recipeHelper, registeredPotionTypes, potionItemConversions, output);
+                potionItems.stream().map(Ingredient::getStackArray).forEach(itemStacks -> Arrays.stream(itemStacks).forEach(stack -> {
+                    recipeHelper.registerDisplay(DefaultPlugin.BREWING, new DefaultBrewingDisplay(PotionUtil.setPotion(stack.copy(), input), ingredient, PotionUtil.setPotion(stack.copy(), output)));
+                }));
+            } catch (Throwable throwable) {
+                throwable.printStackTrace();
+            }
+        });
+    }
+    
+    private static void registerPotionType(RecipeHelper recipeHelper, List<Potion> list, List<BrewingRecipe> potionItemConversions, Potion potion) {
+        list.add(potion);
+        potionItemConversions.forEach(recipe -> {
+            recipeHelper.registerDisplay(DefaultPlugin.BREWING, new DefaultBrewingDisplay(PotionUtil.setPotion(recipe.input.getDefaultStack(), potion), recipe.ingredient, PotionUtil.setPotion(recipe.output.getDefaultStack(), potion)));
+        });
+    }
+    
+}
diff --git a/src/main/java/net/minecraft/recipe/REIPotionRecipeUtils.java b/src/main/java/net/minecraft/recipe/REIPotionRecipeUtils.java
new file mode 100644
index 000000000..cc3bc6508
--- /dev/null
+++ b/src/main/java/net/minecraft/recipe/REIPotionRecipeUtils.java
@@ -0,0 +1,36 @@
+package net.minecraft.recipe;
+
+import com.google.common.collect.Lists;
+import me.shedaniel.cloth.api.ReflectionUtils;
+import net.minecraft.item.Item;
+import net.minecraft.potion.Potion;
+
+import java.util.List;
+
+public class REIPotionRecipeUtils {
+    
+    public static Object getInputFromRecipe(BrewingRecipeRegistry.Recipe o) throws Throwable {
+        return ReflectionUtils.getField(o, Object.class, 0).orElseThrow(ReflectionUtils.ReflectionException::new);
+    }
+    
+    public static Object getOutputFromRecipe(Object o) throws Throwable {
+        return ReflectionUtils.getField(o, Object.class, 2).orElseThrow(ReflectionUtils.ReflectionException::new);
+    }
+    
+    public static Ingredient getIngredientFromRecipe(Object o) throws Throwable {
+        return ReflectionUtils.getField(o, Ingredient.class, 1).orElseThrow(ReflectionUtils.ReflectionException::new);
+    }
+    
+    public static List<BrewingRecipeRegistry.Recipe<Item>> getItemRecipes() {
+        return ReflectionUtils.getStaticField(BrewingRecipeRegistry.class, List.class, 1).orElse(Lists.newArrayList());
+    }
+    
+    public static List<BrewingRecipeRegistry.Recipe<Potion>> getPotionRecipes() {
+        return ReflectionUtils.getStaticField(BrewingRecipeRegistry.class, List.class, 0).orElse(Lists.newArrayList());
+    }
+    
+    public static List<Ingredient> getPotionTypes() {
+        return ReflectionUtils.getStaticField(BrewingRecipeRegistry.class, List.class, 2).orElse(Lists.newArrayList());
+    }
+    
+}