feat: components command

specter-debug/src/main/java/dev/spiritstudios/specter/impl/debug/SpecterDebug.java

@@ -1,5 +1,6 @@
 package dev.spiritstudios.specter.impl.debug;
 
+import dev.spiritstudios.specter.impl.debug.command.ComponentsCommand;
 import dev.spiritstudios.specter.impl.debug.command.HealCommand;
 import dev.spiritstudios.specter.impl.debug.command.MetatagCommand;
 import net.fabricmc.api.ModInitializer;
@@ -11,6 +12,7 @@ public void onInitialize() {
 		CommandRegistrationCallback.EVENT.register((dispatcher, registryAccess, environment) -> {
 			MetatagCommand.register(dispatcher);
 			HealCommand.register(dispatcher);
+			ComponentsCommand.register(dispatcher);
 		});
 	}
 }

specter-debug/src/main/java/dev/spiritstudios/specter/impl/debug/command/ComponentsCommand.java

@@ -0,0 +1,69 @@
+package dev.spiritstudios.specter.impl.debug.command;
+
+import com.mojang.brigadier.Command;
+import com.mojang.brigadier.CommandDispatcher;
+import com.mojang.brigadier.exceptions.CommandSyntaxException;
+import com.mojang.brigadier.exceptions.SimpleCommandExceptionType;
+import net.minecraft.command.argument.EntityArgumentType;
+import net.minecraft.component.ComponentChanges;
+import net.minecraft.item.ItemStack;
+import net.minecraft.nbt.NbtCompound;
+import net.minecraft.nbt.NbtElement;
+import net.minecraft.nbt.NbtHelper;
+import net.minecraft.server.command.CommandManager;
+import net.minecraft.server.command.ServerCommandSource;
+import net.minecraft.text.MutableText;
+import net.minecraft.text.Text;
+import net.minecraft.util.Formatting;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+
+public class ComponentsCommand {
+	private static final SimpleCommandExceptionType NO_COMPONENTS_EXCEPTION = new SimpleCommandExceptionType(Text.translatable("commands.components.no_components"));
+
+	public static void register(CommandDispatcher<ServerCommandSource> dispatcher) {
+		dispatcher.register(CommandManager.literal("components")
+			.requires(source -> source.hasPermissionLevel(2))
+			.executes(context -> components(Objects.requireNonNull(context.getSource().getPlayer()).getMainHandStack(), context.getSource()))
+			.then(CommandManager.argument("target", EntityArgumentType.player())
+				.executes(context -> components(EntityArgumentType.getPlayer(context, "target").getMainHandStack(), context.getSource()))
+			)
+		);
+	}
+
+	private static int components(ItemStack stack, ServerCommandSource source) throws CommandSyntaxException {
+		ComponentChanges components = stack.getComponentChanges();
+		if (components.isEmpty() || !(stack.encode(source.getRegistryManager()) instanceof NbtCompound nbt) || !nbt.contains("components"))
+			throw NO_COMPONENTS_EXCEPTION.create();
+
+		NbtCompound componentsNbt = nbt.getCompound("components");
+		List<MutableText> componentsText = new ArrayList<>();
+		for (int i = 0; i < componentsNbt.getKeys().size(); i++) {
+			String key = componentsNbt.getKeys().toArray(new String[0])[i];
+
+			MutableText text = Text.empty();
+			NbtElement tag = componentsNbt.get(key);
+
+			if (tag == null) tag = new NbtCompound();
+
+			text.append(Text.literal(key).formatted(Formatting.DARK_AQUA));
+			text.append(Text.literal("="));
+			text.append(NbtHelper.toPrettyPrintedText(tag));
+
+			if (i != componentsNbt.getKeys().size() - 1)
+				text.append(Text.literal(", "));
+
+			componentsText.add(text);
+		}
+
+		MutableText output = Text.literal("[");
+		componentsText.forEach(output::append);
+		output.append(Text.literal("]"));
+
+		source.sendFeedback(() -> output, false);
+
+		return Command.SINGLE_SUCCESS;
+	}
+}

specter-debug/src/main/java/dev/spiritstudios/specter/impl/debug/command/MetatagCommand.java

@@ -44,6 +44,7 @@ public final class MetatagCommand {
 
 	public static void register(CommandDispatcher<ServerCommandSource> dispatcher) {
 		dispatcher.register(CommandManager.literal("metatag")
+			.requires(source -> source.hasPermissionLevel(2))
 			.then(CommandManager.literal("dump")
 				.then(CommandManager.argument("registry", IdentifierArgumentType.identifier())
 					.suggests(REGISTRY_SUGGESTIONS)

specter-debug/src/main/resources/assets/specter-debug/lang/en_us.json

@@ -5,5 +5,6 @@
 	"item_group.specter.debug": "Specter Debug",
 	"item.specter-debug.loot_loader": "Loot Loader",
 	"commands.heal.not_living": "Cannot heal non-living entity",
-	"commands.heal.success": "Healed %s for %s health"
+	"commands.heal.success": "Healed %s for %s health",
+	"commands.components.no_components": "No components found"
 }