repame-input 0.1.7

//! Physical inputs (keys, mouse buttons, pad buttons, axes) bound to
//! game actions. (using leafwing `InputMap`/`ActionState` as ref., flattened for
//! fixed-tick CPU sims on raw `bevy_ecs` + `repose` input types.)

use std::collections::HashMap;
use std::hash::Hash;

use repame_sim::bevy_ecs::prelude::*;
use repose_core::input::GamepadAxis;

mod binding;
mod map;
mod state;

pub use binding::Binding;
pub use map::ActionMap;
pub use state::ActionState;

/// Action key bound. Games use their own enums (must be `Clone + Eq +
/// `Hash`); a `&'static str` works for quick wiring.
pub trait ActionLike: Clone + Eq + Hash + Send + Sync + 'static {}

impl<T: Clone + Eq + Hash + Send + Sync + 'static> ActionLike for T {}

/// Insert an [`ActionState`] built from `map` into the sim world.
pub fn init_state<A: ActionLike + std::fmt::Debug>(sim: &mut repame_sim::Sim, map: ActionMap<A>) {
    sim.world.insert_resource(ActionState::new(map));
}

/// Edge rollover at the end of each tick: register LAST in the sim
/// schedule so `just_pressed`/`just_released` survive from compose-fed
/// events through the tick's systems, then clear.
pub fn end_tick_system<A: ActionLike + std::fmt::Debug>(mut state: ResMut<ActionState<A>>) {
    state.end_tick();
}

/// Readout of one polled axis pair (left stick by default).
pub fn stick_pair(state_axes: &HashMap<GamepadAxis, f32>) -> (f32, f32) {
    let x = state_axes
        .get(&GamepadAxis::LeftStickX)
        .copied()
        .unwrap_or(0.0);
    let y = state_axes
        .get(&GamepadAxis::LeftStickY)
        .copied()
        .unwrap_or(0.0);
    (x, y)
}

pub use repose_core::input::PointerButton as MouseButton;
pub use repose_core::input::{GamepadAxis as Axis, GamepadButton as PadButton};
pub use repose_core::shortcuts::KeyChord as Chord;