display a second battery when inside a house

src/activities/house/mod.rs

@@ -18,7 +18,12 @@ pub struct HouseState {
 	rooms: Vec<Room>,
 	//grid: Grid,
 	player: Player,
-	human_layer: bool //Human, magnetic, electric
+	human_layer: bool, //Human, magnetic, electric
+
+	/// The energy level remaining in the house. Should decrease by itself, and much
+	/// faster when inhabited by the ghost.
+	pub charge: f32,
+	pub max_charge: f32
 }
 
 impl HouseState {
@@ -36,7 +41,10 @@ impl HouseState {
 			room_count,
 			rooms,
 			player,
-			human_layer: false
+			human_layer: false,
+			// TODO this should be lower depending on the time elapsed
+			charge: 1000.0,
+			max_charge: 1000.0
 		}
 	}
 }

src/activities/house/room.rs

@@ -1,7 +1,8 @@
 use super::{furniture::Furniture, grid::Grid};
 use crate::game;
 use comfy::{
-	draw_rect, draw_rect_outline, draw_sprite, error, random_i32, vec2, EngineContext, HashSet, Index, RandomRange as _, Vec2, GREEN, PURPLE, RED, WHITE
+	draw_rect, draw_rect_outline, draw_sprite, error, random_i32, vec2, EngineContext,
+	HashSet, Index, RandomRange as _, Vec2, GREEN, PURPLE, RED, WHITE
 };
 use indexmap::IndexSet;
 
@@ -88,7 +89,10 @@ impl Room {
 			empty_spots.swap_remove_index(random_idx)
 		}
 
-		fn random_empty_spot_size(empty_spots: &mut IndexSet<u8>, size: u8) -> Option<u8> {
+		fn random_empty_spot_size(
+			empty_spots: &mut IndexSet<u8>,
+			size: u8
+		) -> Option<u8> {
 			let mut empty_spots_size = IndexSet::<u8>::new();
 
 			for &index in empty_spots.iter() {
@@ -296,7 +300,6 @@ impl Room {
 							z: 0
 						});
 					}
-					
 				}
 
 				if let Some(pos) = random_empty_spot(&mut empty_spots) {
@@ -316,7 +319,6 @@ impl Room {
 						z: 0
 					});
 				}
-				
 			},
 
 			_ => {}

src/ui.rs

@@ -1,41 +1,61 @@
 use crate::{game::ZLayer, State};
 use comfy::{
 	draw_rect, draw_rect_outline, egui, screen_height, screen_to_world, screen_width,
-	EngineContext, Vec2, BLACK, BLUE, RED, WHITE
+	vec2, Color, EngineContext, Vec2, BLACK, BLUE, PURPLE, RED, WHITE
 };
 use egui::widget_text::RichText;
 
-pub fn draw_batterie(state: &State, _engine: &EngineContext<'_>) {
 // seperate fill state into smaller section for better readability
-	let section_count = 5;
-	let mut start_positon = screen_to_world(Vec2::new(screen_width(), screen_height()));
+const BATTERY_SECTION_COUNT: u8 = 5;
+const BATTERY_SECTION_WIDTH: f32 = 1.0;
+const BATTERY_SECTION_HEIGHT: f32 = 0.5;
+
+fn draw_battery(mut start_position: Vec2, charge: f32, max_charge: f32, color: Color) {
 	// section size in world codinates
-	let section_size = Vec2::new(0.5, 0.25);
-	start_positon.x -= 0.5 * section_size.x + 0.5 * section_size.y;
-	start_positon.y += 0.5 * section_size.y + 0.5 * section_size.y;
+	let section_size = vec2(BATTERY_SECTION_WIDTH, BATTERY_SECTION_HEIGHT);
+	start_position.x -= 0.5 * section_size.x + 0.5 * section_size.y;
+	start_position.y += 0.5 * section_size.y + 0.5 * section_size.y;
 	// draw fill level
 	{
-		let ghost = &state.ghost;
-		let percent = ghost.charge / ghost.max_charge;
+		let percent = charge / max_charge;
 		let mut size = section_size;
-		size.y = section_size.y * section_count as f32;
-		let mut position = start_positon;
+		size.y = section_size.y * BATTERY_SECTION_COUNT as f32;
+		let mut position = start_position;
 		position.y += 0.5 * -section_size.y + 0.5 * size.y;
 		draw_rect(position, size, BLACK, ZLayer::UI.into());
 		size.y *= percent;
-		let mut position = start_positon;
+		let mut position = start_position;
 		position.y += 0.5 * -section_size.y + 0.5 * size.y;
 		draw_rect(position, size, BLUE, ZLayer::UI + 1);
 	}
 	// draw sections
-	for i in 0 .. section_count {
-		let mut position = start_positon;
+	for i in 0 .. BATTERY_SECTION_COUNT {
+		let mut position = start_position;
 		position.y += i as f32 * section_size.y;
-		draw_rect_outline(position, section_size, 0.1, RED, ZLayer::UI + 2);
+		draw_rect_outline(position, section_size, 0.1, color, ZLayer::UI + 2);
 	}
 }
 
-pub fn draw_highscore(state: &State, _engine: &EngineContext<'_>) {
+pub fn draw_ghost_battery(state: &State) {
+	let start_position = screen_to_world(Vec2::new(screen_width(), screen_height()));
+	draw_battery(
+		start_position,
+		state.ghost.charge,
+		state.ghost.max_charge,
+		RED
+	);
+}
+
+pub fn draw_house_battery(state: &State) {
+	let Some(house) = state.house() else {
+		return;
+	};
+	let mut start_position = screen_to_world(Vec2::new(screen_width(), screen_height()));
+	start_position.x -= 2.0 * BATTERY_SECTION_WIDTH;
+	draw_battery(start_position, house.charge, house.max_charge, PURPLE)
+}
+
+pub fn draw_highscore(state: &State) {
 	egui::Area::new("score")
 		.anchor(egui::Align2::RIGHT_TOP, egui::vec2(0.0, 0.0))
 		.show(egui(), |ui| {
@@ -49,7 +69,8 @@ pub fn draw_highscore(state: &State, _engine: &EngineContext<'_>) {
 		});
 }
 
-pub fn draw(state: &State, engine: &EngineContext<'_>) {
-	draw_batterie(state, engine);
-	draw_highscore(state, engine);
+pub fn draw(state: &State, _ctx: &EngineContext<'_>) {
+	draw_ghost_battery(state);
+	draw_house_battery(state);
+	draw_highscore(state);
 }