Add skin layer toggle and visibility commands

This commit introduces new commands to toggle skin layer visibility for characters, allowing layers to be shown or hidden. It also updates the message bundle with corresponding feedback messages for these actions.

src/main/java/net/thenextlvl/character/plugin/command/CharacterSkinCommand.java

@@ -1,14 +1,85 @@
 package net.thenextlvl.character.plugin.command;
 
+import com.mojang.brigadier.Command;
+import com.mojang.brigadier.builder.ArgumentBuilder;
 import com.mojang.brigadier.builder.LiteralArgumentBuilder;
+import com.mojang.brigadier.context.CommandContext;
 import io.papermc.paper.command.brigadier.CommandSourceStack;
 import io.papermc.paper.command.brigadier.Commands;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.minimessage.tag.resolver.Placeholder;
+import net.thenextlvl.character.PlayerCharacter;
 import net.thenextlvl.character.plugin.CharacterPlugin;
+import net.thenextlvl.character.plugin.command.argument.EnumArgument;
+import net.thenextlvl.character.skin.SkinLayer;
+import net.thenextlvl.character.skin.SkinPartBuilder;
 import org.jspecify.annotations.NullMarked;
 
+import static net.thenextlvl.character.plugin.command.CharacterCommand.playerCharacterArgument;
+
 @NullMarked
 class CharacterSkinCommand {
     static LiteralArgumentBuilder<CommandSourceStack> create(CharacterPlugin plugin) {
-        return Commands.literal("skin");
+        return Commands.literal("skin")
+                .then(layer(plugin))
+                .then(reset(plugin))
+                .then(set(plugin));
+    }
+
+
+    private static ArgumentBuilder<CommandSourceStack, ?> layer(CharacterPlugin plugin) {
+        return Commands.literal("layer")
+                .then(layer("hide", plugin, false))
+                .then(layer("show", plugin, true));
+    }
+
+    private static LiteralArgumentBuilder<CommandSourceStack> layer(String name, CharacterPlugin plugin, boolean visible) {
+        return Commands.literal(name).then(layerArgument(plugin).then(playerCharacterArgument(plugin)
+                .executes(context -> layerToggle(context, plugin, visible))));
+    }
+
+    private static ArgumentBuilder<CommandSourceStack, ?> layerArgument(CharacterPlugin plugin) {
+        return Commands.argument("layer", new EnumArgument<>(SkinLayer.class));
+    }
+
+    private static ArgumentBuilder<CommandSourceStack, ?> reset(CharacterPlugin plugin) {
+        return Commands.literal("reset").then(playerCharacterArgument(plugin));
+    }
+
+    private static ArgumentBuilder<CommandSourceStack, ?> set(CharacterPlugin plugin) {
+        return Commands.literal("set").then(playerCharacterArgument(plugin));
+    }
+
+    private static int layerToggle(CommandContext<CommandSourceStack> context, CharacterPlugin plugin, boolean visible) {
+        var sender = context.getSource().getSender();
+        var name = context.getArgument("character", String.class);
+        var character = plugin.characterController().getCharacter(name).orElse(null);
+
+        if (character == null) {
+            plugin.bundle().sendMessage(sender, "character.not_found", Placeholder.unparsed("name", name));
+            return 0;
+        }
+
+        if (!(character instanceof PlayerCharacter player)) {
+            plugin.bundle().sendMessage(sender, "character.not_player");
+            return 0;
+        }
+
+        var layer = context.getArgument("layer", SkinLayer.class);
+        var skinParts = SkinPartBuilder.of(player.getSkinParts()).toggle(layer, visible).build();
+
+        if (skinParts.equals(player.getSkinParts())) {
+            plugin.bundle().sendMessage(sender, "nothing.changed");
+            return 0;
+        }
+
+        player.setSkinParts(skinParts);
+
+        var message = visible ? "character.skin_layer.shown" : "character.skin_layer.hidden";
+        plugin.bundle().sendMessage(sender, message,
+                Placeholder.component("layer", Component.translatable(layer)),
+                Placeholder.unparsed("character", name));
+
+        return Command.SINGLE_SUCCESS;
     }
 }

src/main/resources/messages.properties

@@ -5,7 +5,10 @@ character.list.empty=<red><prefix> There are no characters yet</red>
 character.list=<gray><prefix> <character> <dark_gray>(<yellow><type></yellow>) [ <hover:show_text:'<gray>Click to teleport</gray>'><click:run_command:'/character teleport <character>'><green>→</green></click></hover> | <hover:show_text:'<gray>Click to delete'><click:suggest_command:'/character delete <character>'><red>🗑</red></click></hover> ]</dark_gray></gray>
 character.name.too-long=<red><prefix> Name cannot be longer than 16 characters</red>
 character.not_found=<red><prefix> A character named <dark_red><name></dark_red> does not exist</red>
+character.not_player=<red><prefix> You have to provide a <dark_red>player</dark_red> character</red>
 character.pose=<gray><prefix> Changed pose of <green><character></green> to <green><pose></green></gray>
+character.skin_layer.shown=<gray><prefix> The <green><layer></green> of <green><character></green> is now visible</gray>
+character.skin_layer.hidden=<gray><prefix> The <green><layer></green> of <green><character></green> is now hidden</gray>
 character.tag.hidden=<gray><prefix> The name tag of <green><character></green> is no longer visible</gray>
 character.tag.reset=<gray><prefix> Reset the name tag of <green><character></green></gray>
 character.tag.set=<gray><prefix> Set the name tag <green><character></green> to <green><tag></green></gray>