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- use glc::vector::Vector4f;
- use space_crush_common::components::{Player, PlayerOwned, Position, Ship, ShipObstacle};
- use specs::{prelude::*, ReadStorage, System, World, WriteExpect};
-
- use crate::resources::Geometry;
-
- #[derive(Default)]
- pub struct Ships;
-
- #[derive(SystemData)]
- pub struct ShipsData<'a> {
- geometry: WriteExpect<'a, Geometry>,
- positions: ReadStorage<'a, Position>,
- player_owned: ReadStorage<'a, PlayerOwned>,
- players: ReadStorage<'a, Player>,
- ships: ReadStorage<'a, Ship>,
- }
-
- impl<'a> System<'a> for Ships {
- type SystemData = ShipsData<'a>;
-
- fn run(&mut self, data: Self::SystemData) {
- let ShipsData {
- mut geometry,
- positions,
- player_owned,
- players,
- ships,
- } = data;
-
- gl::enable(gl::BLEND);
- gl::blend_func(gl::SRC_ALPHA, gl::ONE);
-
- for (position, player_owned, ship) in (&positions, &player_owned, &ships).join() {
- let ship_pos = position.get();
- let type_ = ship.type_();
- let player_id = player_owned.owner();
- let player = players.get(player_id).unwrap();
- let ship_data = player.ship_data(type_);
-
- geometry.render_lines(
- Vector4f::new(0.0, 0.0, 1.0, 0.2),
- &[*ship_pos, ship_pos + ship.dir() * ship_data.speed],
- );
- geometry.render_lines(
- Vector4f::new(1.0, 0.0, 0.0, 0.2),
- &[*ship_pos, ship_pos + ship.target_dir() * 100.0],
- );
- geometry.render_lines(
- Vector4f::new(1.0, 1.0, 1.0, 0.2),
- &[*ship_pos, *ship.target_pos()],
- );
-
- if let ShipObstacle::Known(obstacle) = ship.obstacle() {
- let obstacle_pos = positions.get(obstacle).unwrap().get();
-
- geometry.render_lines(
- Vector4f::new(0.0, 1.0, 0.0, 0.2),
- &[*ship_pos, *obstacle_pos],
- );
- }
- }
-
- gl::disable(gl::BLEND);
- }
- }
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