Check Shear Tags in MatchRules (paulevsGitch/BetterNether#497)

src/main/java/ru/bclib/mixin/common/shears/ItemPredicateBuilderMixin.java

@@ -0,0 +1,34 @@
+package ru.bclib.mixin.common.shears;
+
+import net.minecraft.advancements.critereon.ItemPredicate;
+import net.minecraft.advancements.critereon.ItemPredicate.Builder;
+import net.minecraft.tags.Tag;
+import net.minecraft.world.item.Item;
+import net.minecraft.world.item.ItemStack;
+import net.minecraft.world.item.Items;
+import net.minecraft.world.level.ItemLike;
+import org.jetbrains.annotations.Nullable;
+import org.spongepowered.asm.mixin.Final;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+import ru.bclib.api.TagAPI;
+
+import java.util.Set;
+
+@Mixin(ItemPredicate.class)
+public abstract class ItemPredicateBuilderMixin {
+	
+	@Shadow @Final private @Nullable Set<Item> items;
+	
+	@Inject(method = "matches", at = @At("HEAD"), cancellable = true)
+	void bclib_of(ItemStack itemStack, CallbackInfoReturnable<Boolean> cir) {
+		if (this.items != null && this.items.size() == 1 && this.items.contains(Items.SHEARS)) {
+			if (itemStack.is(TagAPI.ITEM_COMMON_SHEARS) || itemStack.is(TagAPI.ITEM_SHEARS)){
+				cir.setReturnValue(true);
+			}
+		}
+	}
+}

src/main/resources/bclib.mixins.common.json

@@ -7,6 +7,7 @@
 		"SimpleReloadableResourceManagerMixin",
 		"BiomeGenerationSettingsAccessor",
 		"shears.DiggingEnchantmentMixin",
+		"shears.ItemPredicateBuilderMixin",
 		"LayerLightSectionStorageMixin",
 		"NoiseBasedChunkGeneratorMixin",
 		"NoiseGeneratorSettingsMixin",