feat: players can teleport

1 files changed, 82 insertions, 0 deletions

diff --git a/src/client.rs b/src/client.rs
new file mode 100644
index 0000000..b36bba9
--- /dev/null
+++ b/src/client.rs
@@ -0,0 +1,82 @@
+use crate::client::network::*;
+use crate::protocol::*;
+use crate::shared::*;
+use bevy::input::mouse::MouseButton;
+use bevy::prelude::*;
+use bevy::sprite::{MaterialMesh2dBundle, Mesh2dHandle};
+use lightyear::client::input::InputSystemSet;
+use lightyear::prelude::*;
+
+mod network;
+
+pub fn main(transport: TransportConfig) {
+    App::new()
+        .add_plugins(DefaultPlugins)
+        .add_plugins(ClientPlugin { transport })
+        .run();
+}
+
+struct ClientPlugin {
+    pub transport: TransportConfig,
+}
+
+impl Plugin for ClientPlugin {
+    fn build(&self, app: &mut App) {
+        app.add_plugins(NetworkPlugin {
+            transport: self.transport.clone(),
+        })
+        .add_systems(Startup, setup)
+        .add_systems(Update, spawn_players)
+        .add_systems(Update, move_players)
+        .add_systems(
+            FixedPreUpdate,
+            buffer_input.in_set(InputSystemSet::BufferInputs),
+        );
+    }
+}
+
+fn setup(mut client: ClientMut, mut commands: Commands) {
+    commands.spawn(Camera2dBundle::default());
+    client.connect().unwrap();
+}
+
+fn spawn_players(
+    mut commands: Commands,
+    mut materials: ResMut<Assets<ColorMaterial>>,
+    mut meshes: ResMut<Assets<Mesh>>,
+    players: Query<(Entity, &PlayerPosition, &PlayerColor), Added<PlayerId>>,
+) {
+    for (entity, position, color) in players.iter() {
+        commands.entity(entity).insert(MaterialMesh2dBundle {
+            mesh: Mesh2dHandle(meshes.add(Circle { radius: 10. })),
+            material: materials.add(color.0),
+            transform: Transform::from_xyz(position.0.x, position.0.y, 0.),
+            ..Default::default()
+        });
+    }
+}
+
+fn move_players(mut players: Query<(&mut Transform, &PlayerPosition), Changed<PlayerPosition>>) {
+    for (mut transform, player_position) in players.iter_mut() {
+        transform.translation = Vec3::new(player_position.0.x, player_position.0.y, 0.);
+    }
+}
+
+fn buffer_input(
+    cameras: Query<(&Camera, &GlobalTransform)>,
+    mouse_input: Res<ButtonInput<MouseButton>>,
+    mut client: ClientMut,
+    windows: Query<&Window>,
+) {
+    let window = windows.single();
+    let (camera, camera_transform) = cameras.single();
+    if mouse_input.just_pressed(MouseButton::Left) {
+        if let Some(cursor_position) = window.cursor_position() {
+            if let Some(world_position) =
+                camera.viewport_to_world_2d(camera_transform, cursor_position)
+            {
+                client.add_input(Inputs::Teleport(world_position));
+            }
+        }
+    }
+}