feat: item commands

game/src/inventory/systems.rs

@@ -29,6 +29,7 @@ pub fn apply_command(
                             "Failed to add {:?} to the inventory as it doesn't exist.",
                             item,
                         );
+                        reply!(command, "Run \"item list\" to see available items.")
                     },
                 }
             },

game/src/items/commands.rs

@@ -0,0 +1,16 @@
+use crate::prelude::*;
+
+/// Controls the items.
+#[derive(ConsoleCommand, Parser)]
+#[command(name = "item")]
+#[command(disable_help_flag = true)]
+pub struct ItemCommand {
+    #[clap(subcommand)]
+    pub subcommand: ItemCommands,
+}
+
+#[derive(Debug, Subcommand)]
+pub enum ItemCommands {
+    /// Lists the available items.
+    List,
+}

game/src/items/mod.rs

@@ -1,4 +1,6 @@
+pub mod commands;
 pub mod components;
 pub mod interfaces;
 pub mod plugin;
 pub mod registry;
+pub mod systems;

game/src/items/plugin.rs

@@ -1,4 +1,10 @@
-use crate::prelude::*;
+use crate::{
+    items::{
+        commands::*,
+        systems::*,
+    },
+    prelude::*,
+};
 
 /// Plugin for managing items.
 pub struct ItemPlugin;
@@ -11,5 +17,8 @@ impl Plugin for ItemPlugin {
 
         // Initialize registry.
         app.init_resource::<ItemRegistry>();
+
+        // Add console commands.
+        app.add_console_command::<ItemCommand, _>(apply_command);
     }
 }

game/src/items/systems.rs

@@ -0,0 +1,19 @@
+use crate::{
+    items::commands::*,
+    prelude::*,
+};
+
+
+/// Applies the item console commands.
+pub fn apply_command(mut command: ConsoleCommand<ItemCommand>, item_registry: Res<ItemRegistry>) {
+    if let Some(Ok(ItemCommand { subcommand })) = command.take() {
+        match subcommand {
+            ItemCommands::List => {
+                for (i, entry) in item_registry.iter().enumerate() {
+                    reply!(command, "{}) {}", i + 1, entry.item.id());
+                }
+            },
+        }
+        reply!(command, "");
+    }
+}