add battery-ui (#6)

Reviewed-on: #6
Co-authored-by: luckyturtledev <git@lukas1818.de>
Co-committed-by: luckyturtledev <git@lukas1818.de>

src/game.rs

@@ -5,6 +5,22 @@ use crate::{
 use comfy::EngineContext;
 use std::ops::Sub;
 
+#[derive(Debug)]
+pub struct Ghost {
+	/// current electric charge of the Ghost
+	pub charge: f32,
+	/// max electric charge of the Ghost
+	pub max_charge: f32
+}
+
+impl Default for Ghost {
+	fn default() -> Self {
+		Self {
+			charge: 1000.0,
+			max_charge: 1000.0
+		}
+	}
+}
 #[repr(i32)]
 pub enum ZLayer {
 	MapMax = -1,
@@ -39,4 +55,5 @@ pub fn draw(state: &State, engine: &EngineContext<'_>) {
 		Activity::House => house::draw(state, engine),
 		Activity::Overworld => overworld::draw(state, engine)
 	}
+	crate::ui::draw(state, engine);
 }