improved leaves cutting

src/main/java/de/jottyfan/minecraft/quickiefabric/QuickieFabric.java

@@ -20,5 +20,6 @@ public class QuickieFabric implements ModInitializer {
 		RegistryManager.registerFeatures();
 		RegistryManager.registerContainer();
 		RegistryManager.registerLootings();
+		RegistryManager.registerTags();
 	}
 }

src/main/java/de/jottyfan/minecraft/quickiefabric/help/ClassHelper.java

@@ -1,27 +0,0 @@
-package de.jottyfan.minecraft.quickiefabric.help;
-
-/**
- *
- * @author jotty
- *
- */
-public class ClassHelper {
-
-	/**
-	 * check if c is instance of name
-	 *
-	 * @param c    the class
-	 * @param name the name
-	 * @return true or false
-	 */
-	public static final Boolean isInstanceOf(Class<?> c, String name) {
-		Class<?>[] a = c.getInterfaces();
-		for (Class<?> cl : a) {
-			String simpleName = cl.getSimpleName();
-			if (simpleName.equals(name)) {
-				return true;
-			}
-		}
-		return false;
-	}
-}

src/main/java/de/jottyfan/minecraft/quickiefabric/init/RegistryManager.java

@@ -42,6 +42,8 @@ import net.minecraft.item.ItemGroup;
 import net.minecraft.item.ItemStack;
 import net.minecraft.registry.Registries;
 import net.minecraft.registry.Registry;
+import net.minecraft.registry.RegistryKeys;
+import net.minecraft.registry.tag.TagKey;
 import net.minecraft.screen.ScreenHandlerType;
 import net.minecraft.text.Text;
 import net.minecraft.util.ActionResult;
@@ -290,4 +292,7 @@ public class RegistryManager {
 				|| id.equals(new Identifier("blocks/tall_grass"));
 	}
 
+	public final static void registerTags() {
+		TagKey<Item> BLOCKSTACKER = TagKey.of(RegistryKeys.ITEM, new Identifier(QUICKIEFABRIC, "blockstacker"));
+	}
 }

src/main/resources/data/minecraft/tags/blocks/blockstacker.json

@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    "quickiefabric:blockstackereast",
+    "quickiefabric:blockstackersouth",
+    "quickiefabric:blockstackerwest",
+    "quickiefabric:blockstackernorth",
+    "quickiefabric:blockstackerup",
+    "quickiefabric:blockstackerdown"
+  ]
+}