Fix #817

2 files changed, 65 insertions, 1 deletions

diff --git a/fabric/src/main/java/me/shedaniel/rei/plugin/common/fabric/DefaultPluginImpl.java b/fabric/src/main/java/me/shedaniel/rei/plugin/common/fabric/DefaultPluginImpl.java
new file mode 100644
index 000000000..e86a7cb50
--- /dev/null
+++ b/fabric/src/main/java/me/shedaniel/rei/plugin/common/fabric/DefaultPluginImpl.java
@@ -0,0 +1,65 @@
+/*
+ * This file is licensed under the MIT License, part of Roughly Enough Items.
+ * Copyright (c) 2018, 2019, 2020, 2021, 2022 shedaniel
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package me.shedaniel.rei.plugin.common.fabric;
+
+import net.fabricmc.loader.api.FabricLoader;
+import net.minecraft.world.item.BucketItem;
+import net.minecraft.world.level.material.Fluid;
+import org.jetbrains.annotations.NotNull;
+
+import java.lang.reflect.Field;
+import java.util.Optional;
+
+public class DefaultPluginImpl {
+    public static Fluid getFluidFromBucket(BucketItem item) {
+        Field field = getContentField();
+        if (field == null) return null;
+        try {
+            return (Fluid) field.get(item);
+        } catch (IllegalAccessException e) {
+            e.printStackTrace();
+            return null;
+        }
+    }
+    
+    private static Optional<Field> field = null;
+    
+    @NotNull
+    private static Field getContentField() {
+        if (field == null) {
+            try {
+                Field field = BucketItem.class.getDeclaredField(FabricLoader.getInstance().getMappingResolver().mapFieldName("intermediary", "net.minecraft.class_1755", "field_7905", "Lnet/minecraft/class_3611;"));
+                field.setAccessible(true);
+                DefaultPluginImpl.field = Optional.of(field);
+                return field;
+            } catch (Throwable throwable) {
+                throwable.printStackTrace();
+                DefaultPluginImpl.field = Optional.empty();
+                return null;
+            }
+        }
+        
+        return field.orElse(null);
+    }
+}
diff --git a/fabric/src/main/resources/roughlyenoughitems.accessWidener b/fabric/src/main/resources/roughlyenoughitems.accessWidener
index baa66082a..a9714d123 100644
--- a/fabric/src/main/resources/roughlyenoughitems.accessWidener
+++ b/fabric/src/main/resources/roughlyenoughitems.accessWidener
@@ -20,7 +20,6 @@ accessible    field  net/minecraft/world/item/alchemy/PotionBrewing
 accessible    field  net/minecraft/world/item/alchemy/PotionBrewing$Mix                        from                    Ljava/lang/Object;
 accessible    field  net/minecraft/world/item/alchemy/PotionBrewing$Mix                        ingredient              Lnet/minecraft/world/item/crafting/Ingredient;
 accessible    field  net/minecraft/world/item/alchemy/PotionBrewing$Mix                        to                      Ljava/lang/Object;
-accessible    field  net/minecraft/world/item/BucketItem                                       content                 Lnet/minecraft/world/level/material/Fluid;
 accessible    field  net/minecraft/world/item/crafting/UpgradeRecipe                           addition                Lnet/minecraft/world/item/crafting/Ingredient;
 accessible    field  net/minecraft/world/item/crafting/UpgradeRecipe                           base                    Lnet/minecraft/world/item/crafting/Ingredient;
 accessible    field  net/minecraft/world/item/CreativeModeTab                                  langId                  Ljava/lang/String;