Adopt actions framework
Elijah Voigt
6 days ago
parent
494cdce42e
commit
09e6c66788
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use super::*;
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pub(crate) struct GameActionsPlugin;
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impl Plugin for GameActionsPlugin {
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fn build(&self, app: &mut App) {
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app.add_plugins((
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ActionsPlugin::<SimAction>::new()
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.bind(SimAction::Toggle, [Binding::Key(KeyCode::Space)])
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.bind(SimAction::Step, [Binding::Key(KeyCode::KeyN)])
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.bind(SimAction::Reset, [Binding::Key(KeyCode::KeyR)]),
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ActionsPlugin::<AudioAction>::new()
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.bind(AudioAction::Toggle, [Binding::Key(KeyCode::KeyM)]),
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ActionsPlugin::<Action>::new()
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.bind(Action::ZoomIn, [Binding::Key(KeyCode::Equal)])
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.bind(Action::ZoomOut, [Binding::Key(KeyCode::Minus)])
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.bind(Action::Quit, [Binding::Key(KeyCode::Escape)]),
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));
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}
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}
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#[derive(Copy, Clone, Eq, PartialEq, Hash, GameAction, Default)]
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pub(crate) enum SimAction {
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#[action_handler(SimAction::toggle)]
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Toggle,
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#[action_handler(SimAction::step)]
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Step,
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#[action_handler(SimAction::reset)]
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Reset,
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#[action_handler(SimAction::wipe)]
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Wipe,
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#[default]
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None,
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}
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impl SimAction {
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/// When the user toggles between Play/Pause simulation, just update the state
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fn toggle(
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curr: Res<State<SimulationPlayback>>,
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mut next: ResMut<NextState<SimulationPlayback>>,
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mut last_board_state: ResMut<LastBoardState>,
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coordinates: Query<&Coordinates, With<Cell>>,
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) {
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next.set(match curr.get() {
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SimulationPlayback::Run | SimulationPlayback::Step => {
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// Run | Step -> Pause
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SimulationPlayback::Pause
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}
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SimulationPlayback::Pause => {
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// Capture current state before running
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last_board_state.coordinates = coordinates.iter().cloned().collect();
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// Pause -> Run
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SimulationPlayback::Run
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}
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});
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}
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// When the user wants to step the simulation, just enter the SimulationStep state
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// TODO: Should switch back to Pause automatically after step if Step is the current state
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fn step(mut next: ResMut<NextState<SimulationPlayback>>) {
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next.set(SimulationPlayback::Step);
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}
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// Reset board to last saved state (before running, or before wiping)
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fn reset(
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last_board_state: Res<LastBoardState>,
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mut lifecycle: MessageWriter<Lifecycle>,
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cells: Query<Entity, With<Cell>>,
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mut commands: Commands,
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) {
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// TODO: reconcile board instead of despawn/spawning the world
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cells.iter().for_each(|e| {
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commands.entity(e).despawn();
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});
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last_board_state.coordinates.iter().for_each(|c| {
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lifecycle.write(Lifecycle::Alive(c.clone()));
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});
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}
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// Wipe all cells from the board
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fn wipe(cells: Query<Entity, With<Cell>>, mut commands: Commands) {
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cells.iter().for_each(|e| {
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commands.entity(e).despawn();
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});
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}
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}
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#[derive(Copy, Clone, Eq, PartialEq, Hash, GameAction, Default)]
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pub(crate) enum Action {
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#[action_handler(Action::zoom_in)]
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ZoomIn,
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#[action_handler(Action::zoom_out)]
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ZoomOut,
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#[action_handler(Action::quit)]
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Quit,
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#[default]
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None,
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}
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impl Action {
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fn zoom_in(mut projection: Query<&mut Projection>) {
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projection.iter_mut().for_each(|mut p| match *p {
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Projection::Orthographic(ref mut o) => {
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o.scale *= 0.5;
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}
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_ => todo!(),
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});
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}
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fn zoom_out(mut projection: Query<&mut Projection>) {
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projection.iter_mut().for_each(|mut p| match *p {
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Projection::Orthographic(ref mut o) => {
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o.scale /= 0.5;
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}
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_ => todo!(),
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});
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}
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fn quit(mut writer: MessageWriter<AppExit>) {
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writer.write(AppExit::Success);
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}
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}
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#[derive(Copy, Clone, Eq, PartialEq, Hash, GameAction, Default)]
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pub(crate) enum AudioAction {
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#[action_handler(AudioAction::toggle)]
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Toggle,
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#[default]
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None,
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}
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impl AudioAction {
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fn toggle(curr: Res<State<AudioPlayback>>, mut next: ResMut<NextState<AudioPlayback>>) {
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next.set(match curr.get() {
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AudioPlayback::Play => AudioPlayback::Mute,
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AudioPlayback::Mute => AudioPlayback::Play,
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});
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}
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}
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