Make Bevy dependencies optional in azalea-protocol (#303)

* Make Bevy dependencies optional in azalea-protocol

* derive serde traits on Direction again

* update docs for types that may not have Component

1 files changed, 4 insertions, 3 deletions

diff --git a/azalea-entity/src/inventory.rs b/azalea-entity/src/inventory.rs
index aa13865e..fe3921ef 100644
--- a/azalea-entity/src/inventory.rs
+++ b/azalea-entity/src/inventory.rs
@@ -10,12 +10,13 @@ use azalea_inventory::{
         QuickCraftStatusKind, QuickMoveClick, ThrowClick,
     },
 };
-use bevy_ecs::prelude::*;
 
 use crate::PlayerAbilities;
 
-/// A component present on all local players that have an inventory.
-#[derive(Clone, Component, Debug)]
+/// A local player's inventory and related data, including the container that
+/// they may have opened.
+#[cfg_attr(feature = "bevy_ecs", derive(bevy_ecs::component::Component))]
+#[derive(Clone, Debug)]
 pub struct Inventory {
     /// The player's inventory menu. This is guaranteed to be a `Menu::Player`.
     ///