feat: inventory commands

game/src/inventory/commands.rs

@@ -0,0 +1,18 @@
+use crate::prelude::*;
+
+/// Controls the inventory.
+#[derive(ConsoleCommand, Parser)]
+#[command(name = "inventory")]
+#[command(disable_help_flag = true)]
+pub struct InventoryCommand {
+    #[clap(subcommand)]
+    pub subcommand: InventoryCommands,
+}
+
+#[derive(Debug, Subcommand)]
+pub enum InventoryCommands {
+    /// Lists the items in the inventory.
+    List,
+    /// Adds an item to the inventory.
+    Add { item: String },
+}

game/src/inventory/mod.rs

@@ -1,3 +1,4 @@
+pub mod commands;
 pub mod plugin;
 pub mod resources;
 pub mod systems;

game/src/inventory/plugin.rs

@@ -1,5 +1,8 @@
 use crate::{
-    inventory::systems::*,
+    inventory::{
+        commands::*,
+        systems::*,
+    },
     prelude::*,
 };
 
@@ -11,6 +14,9 @@ impl Plugin for InventoryPlugin {
         // Insert resources.
         app.init_resource::<Inventory>();
 
+        // Add console commands.
+        app.add_console_command::<InventoryCommand, _>(apply_command);
+
         // Add systems.
         app.add_systems(
             OnEnter(GameState::Initialization),

game/src/inventory/systems.rs

@@ -1,4 +1,41 @@
-use crate::prelude::*;
+use crate::{
+    inventory::commands::*,
+    prelude::*,
+};
+
+
+/// Applies the inventory console commands.
+pub fn apply_command(
+    mut command: ConsoleCommand<InventoryCommand>,
+    mut inventory: ResMut<Inventory>,
+    item_registry: Res<ItemRegistry>,
+) {
+    if let Some(Ok(InventoryCommand { subcommand })) = command.take() {
+        match subcommand {
+            InventoryCommands::List => {
+                for (i, item) in inventory.iter().enumerate() {
+                    reply!(command, "{}) {}", i + 1, item.id());
+                }
+            },
+            InventoryCommands::Add { item } => {
+                match item_registry.find_item_by_id(&item) {
+                    Some(item) => {
+                        inventory.add(item.instantiate());
+                        reply!(command, "Added.");
+                    },
+                    None => {
+                        reply!(
+                            command,
+                            "Failed to add {:?} to the inventory as it doesn't exist.",
+                            item,
+                        );
+                    },
+                }
+            },
+        }
+        reply!(command, "");
+    }
+}
 
 
 /// Adds the items specified in the inventory argument to the inventory.

game/src/prelude.rs

@@ -95,9 +95,13 @@ pub use {
         },
     },
     bevy_console::{
+        reply,
+        AddConsoleCommand as _,
+        ConsoleCommand,
         ConsoleConfiguration,
         ConsoleOpen as ConsoleState,
         ConsolePlugin as BevyConsolePlugin,
+        ConsoleSet,
     },
     bevy_persistent::prelude::*,
     bevy_prng::ChaCha8Rng,
@@ -111,6 +115,7 @@ pub use {
         self,
         CommandFactory,
         Parser,
+        Subcommand,
     },
     core::num::NonZeroU8,
     leafwing_input_manager::{