Make bossbar use EntityLayer for visibility

crates/valence_boss_bar/src/components.rs

@@ -0,0 +1,53 @@
+use std::borrow::Cow;
+
+use bevy_ecs::prelude::{Bundle, Component};
+use valence_entity::EntityLayerId;
+use valence_server::protocol::packets::play::boss_bar_s2c::{
+    BossBarAction, BossBarColor, BossBarDivision, BossBarFlags, ToPacketAction,
+};
+use valence_server::{Text, UniqueId};
+
+/// The bundle of components that make up a boss bar.
+#[derive(Bundle, Default)]
+pub struct BossBarBundle {
+    pub id: UniqueId,
+    pub title: BossBarTitle,
+    pub health: BossBarHealth,
+    pub style: BossBarStyle,
+    pub flags: BossBarFlags,
+    pub layer: EntityLayerId,
+}
+
+/// The title of a boss bar.
+#[derive(Component, Clone, Default)]
+pub struct BossBarTitle(pub Text);
+
+impl ToPacketAction for BossBarTitle {
+    fn to_packet_action(&self) -> BossBarAction {
+        BossBarAction::UpdateTitle(Cow::Borrowed(&self.0))
+    }
+}
+
+/// The health of a boss bar.
+#[derive(Component, Default)]
+pub struct BossBarHealth(pub f32);
+
+impl ToPacketAction for BossBarHealth {
+    fn to_packet_action(&self) -> BossBarAction {
+        BossBarAction::UpdateHealth(self.0)
+    }
+}
+
+/// The style of a boss bar. This includes the color and division of the boss
+/// bar.
+#[derive(Component, Default)]
+pub struct BossBarStyle {
+    pub color: BossBarColor,
+    pub division: BossBarDivision,
+}
+
+impl ToPacketAction for BossBarStyle {
+    fn to_packet_action(&self) -> BossBarAction {
+        BossBarAction::UpdateStyle(self.color, self.division)
+    }
+}