buildings

game/buildings/src/building_plugin.rs

@@ -1,14 +1,24 @@
 use bevy::{prelude::*, window::PrimaryWindow};
 use bevy_rapier3d::{pipeline::QueryFilter, plugin::RapierContext};
-use shared::{despawn::Despawn, states::GameplayState, tags::MainCamera};
+use shared::{
+	despawn::Despawn,
+	states::{GameplayState, MenuState},
+	tags::MainCamera,
+};
 use world_generation::{hex_utils::HexCoord, map::map::Map};
 
+use crate::build_queue::{self, BuildQueue, QueueEntry};
+
 pub struct BuildingPugin;
 
 impl Plugin for BuildingPugin {
 	fn build(&self, app: &mut App) {
+		app.insert_resource(BuildQueue::default());
+
 		app.add_systems(Startup, init);
 		app.add_systems(Update, hq_placement.run_if(in_state(GameplayState::PlaceHQ)));
+
+		app.add_systems(PreUpdate, process_build_queue.run_if(in_state(GameplayState::Playing)));
 	}
 }
 
@@ -30,6 +40,8 @@ fn hq_placement(
 	rapier_context: Res<RapierContext>,
 	map: Res<Map>,
 	indicator: Res<IndicatorCube>,
+	mut build_queue: ResMut<BuildQueue>,
+	next_state: ResMut<NextState<GameplayState>>,
 ) {
 	let win = window.single();
 	let (cam_transform, camera) = cam_query.single();
@@ -53,16 +65,29 @@ fn hq_placement(
 		let contact_point = cam_ray.get_point(dist);
 		let contact_coord = HexCoord::from_world_pos(contact_point);
 		let positions = map.hex_select(&contact_coord, 3, true, |pos, h, _| pos.to_world(h));
-		for p in positions {
-			commands.spawn((
-				PbrBundle {
-					mesh: indicator.0.clone(),
-					material: indicator.1.clone(),
-					transform: Transform::from_translation(p),
-					..default()
-				},
-				Despawn,
-			));
+		show_indicators(positions, &mut commands, &indicator);
+
+		if mouse.just_pressed(MouseButton::Left) {
+			build_queue.queue.push(QueueEntry {
+				building: 0.into(),
+				pos: contact_coord,
+			});
 		}
 	}
 }
+
+fn show_indicators(positions: Vec<Vec3>, commands: &mut Commands, indicator: &IndicatorCube) {
+	for p in positions {
+		commands.spawn((
+			PbrBundle {
+				mesh: indicator.0.clone(),
+				material: indicator.1.clone(),
+				transform: Transform::from_translation(p),
+				..default()
+			},
+			Despawn,
+		));
+	}
+}
+
+fn process_build_queue(mut queue: ResMut<BuildQueue>) {}