implement anti footgun

maybe solves #33

gradle.properties

@@ -7,6 +7,6 @@ org.gradle.configureondemand=true
 # Enable advanced multi-module optimizations (share tiny-remaper instance between projects)
 fabric.loom.multiProjectOptimisation=true
 # Mod Properties
-baseVersion = 2.6.2
+baseVersion = 2.6.3
 defaultBranch = 1.19
 branch = 1.19

src/main/java/folk/sisby/tinkerers_smithing/TinkerersSmithingLoader.java

@@ -328,9 +328,9 @@ public static Identifier appendId(Identifier id, String name) {
 
 	public static Identifier repairRecipeId(Item baseItem, Ingredient ingredient) {
 		if (ingredient.entries.length == 0) {
-			TinkerersSmithing.LOGGER.error("Ingredients for Tinkerer's Smithing recipes can't be empty! When repairing item {}", Registry.ITEM.getId(baseItem), new IllegalArgumentException("Ingredient entries are empty!"));
+			throw new IllegalArgumentException("Ingredients for Tinkerer's Smithing recipes can't be empty! When repairing item %s".formatted(Registry.ITEM.getId(baseItem)));
 		}
-		Identifier ingredientId = ingredient.entries.length != 0 && ingredient.entries[0] instanceof Ingredient.StackEntry se ? Registry.ITEM.getId(se.stack.getItem()) : (ingredient.entries.length != 0 && ingredient.entries[0] instanceof Ingredient.TagEntry te ? te.tag.id() : new Identifier("ERROR"));
+		Identifier ingredientId = ingredient.entries[0] instanceof Ingredient.StackEntry se ? Registry.ITEM.getId(se.stack.getItem()) : ingredient.entries[0] instanceof Ingredient.TagEntry te ? te.tag.id() : new Identifier("ERROR");
 		return recipeId("repair", Registry.ITEM.getId(baseItem), ingredientId);
 	}
 }

src/main/java/folk/sisby/tinkerers_smithing/mixin/IngredientMixin.java

@@ -0,0 +1,58 @@
+package folk.sisby.tinkerers_smithing.mixin;
+
+import folk.sisby.tinkerers_smithing.TinkerersSmithing;
+import it.unimi.dsi.fastutil.ints.IntArrayList;
+import it.unimi.dsi.fastutil.ints.IntList;
+import net.minecraft.item.ItemStack;
+import net.minecraft.network.PacketByteBuf;
+import net.minecraft.recipe.Ingredient;
+import net.minecraft.util.registry.Registry;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Unique;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+
+@Mixin(Ingredient.class)
+public class IngredientMixin {
+	@Unique private boolean isFootgun() {
+		if (Registry.ITEM.streamTagsAndEntries().toList().isEmpty()) {
+			TinkerersSmithing.LOGGER.error("[Tinkerer's Smithing] Cowardly refusing to access ingredient while tags are unloaded", new IllegalStateException("An ingredient was accessed before item tags are loaded - This would normally break all tag recipes! Please report this to the mod in the trace below."));
+			return true;
+		}
+		return false;
+	}
+
+	@Inject(method = "getMatchingStacks", at = @At("HEAD"), cancellable = true)
+	public void getMatchingStacks(CallbackInfoReturnable<ItemStack[]> cir) {
+		if (isFootgun()) {
+			cir.setReturnValue(new ItemStack[]{});
+			cir.cancel();
+		}
+	}
+
+	@Inject(method = "test(Lnet/minecraft/item/ItemStack;)Z", at = @At("HEAD"), cancellable = true)
+	public void test(CallbackInfoReturnable<Boolean> cir) {
+		if (isFootgun()) {
+			cir.setReturnValue(false);
+			cir.cancel();
+		}
+	}
+
+	@Inject(method = "getMatchingItemIds", at = @At("HEAD"), cancellable = true)
+	public void getMatchingItemIds(CallbackInfoReturnable<IntList> cir) {
+		if (isFootgun()) {
+			cir.setReturnValue(new IntArrayList());
+			cir.cancel();
+		}
+	}
+
+	@Inject(method = "write", at = @At("HEAD"), cancellable = true)
+	public void write(PacketByteBuf buf, CallbackInfo ci) {
+		if (isFootgun()) {
+			buf.writeVarInt(0);
+			ci.cancel();
+		}
+	}
+}

src/main/resources/tinkerers_smithing.mixins.json

@@ -6,6 +6,7 @@
   "mixins": [
     "AnvilScreenHandlerMixin",
     "EnchantmentHelperMixin",
+    "IngredientMixin",
     "ItemPredicateMixin",
     "ItemStackMixin",
     "PlayerManagerMixin",