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use crate::{GamepadAxis, Kurinji};
use bevy::prelude::*;
use bevy::app::{EventReader, Events};
use bevy::ecs::{Local, Res, ResMut};
use bevy::input::Input;
#[derive(Default)]
pub struct GamepadState {
reader: EventReader<GamepadEvent>,
}
impl Kurinji {
pub fn bind_gamepad_button_pressed(
&mut self,
pad_button: GamepadButtonType,
action: &str,
) -> &mut Kurinji {
self.bind_gamepad_button_pressed_for_player(0, pad_button, action)
}
pub fn bind_gamepad_button_pressed_for_player(
&mut self,
player: usize,
pad_button: GamepadButtonType,
action: &str,
) -> &mut Kurinji {
*self
.joystick_button_binding
.entry((player, pad_button))
.or_default() = action.to_string();
self
}
pub fn unbind_gamepad_button_pressed(
&mut self,
pad_button: GamepadButtonType,
) -> &mut Kurinji {
self.unbind_gamepad_button_pressed_for_player(0, pad_button)
}
pub fn unbind_gamepad_button_pressed_for_player(
&mut self,
player: usize,
pad_button: GamepadButtonType,
) -> &mut Kurinji {
self.joystick_button_binding.remove(&(player, pad_button));
self
}
pub fn bind_gamepad_axis(&mut self, axis: GamepadAxis, action: &str) -> &mut Kurinji {
self.bind_gamepad_axis_for_player(0, axis, action)
}
pub fn bind_gamepad_axis_for_player(
&mut self,
player: usize,
axis: GamepadAxis,
action: &str,
) -> &mut Kurinji {
*self
.joystick_axis_binding
.entry((player, axis))
.or_default() = action.to_string();
self
}
pub fn unbind_gamepad_axis(&mut self, pad_axis: GamepadAxis) -> &mut Kurinji {
self.unbind_gamepad_axis_for_player(0, pad_axis);
self
}
pub fn unbind_gamepad_axis_for_player(
&mut self,
player: usize,
axis: GamepadAxis,
) -> &mut Kurinji {
self.joystick_axis_binding.remove(&(player, axis));
self
}
pub(crate) fn get_available_player_handle(self) -> Option<usize> {
for i in 0..(Kurinji::MAX_PLAYER_HANDLES - 1) {
if !self.player_handles_in_use.contains(&i) {
return Some(i);
}
}
None
}
pub(crate) fn get_player_handle_for_gamepad(self, pad: Gamepad) -> Option<usize> {
return match self.joystick_to_player_map.get(&pad) {
Some(a) => Some(*a),
_ => None,
};
}
pub(crate) fn get_gamepad_from_player_handle(self, player: usize) -> Option<Gamepad> {
return match self.player_to_joystick_map.get(&player) {
Some(a) => Some(*a),
_ => None,
};
}
pub(crate) fn gamepad_button_press_input_system(
mut input_map: ResMut<Kurinji>,
joystick_button_input: Res<Input<GamepadButton>>,
) {
let button_bindings_iter = input_map.joystick_button_binding.clone();
for (player_button_bind, action) in button_bindings_iter.iter() {
if joystick_button_input.pressed(GamepadButton(
Gamepad(player_button_bind.0),
player_button_bind.1,
)) {
input_map.set_raw_action_strength(action, 1.0);
}
}
}
pub(crate) fn gamepad_connection_event_system(
mut input_map: ResMut<Kurinji>,
gamepad_event: Res<Events<GamepadEvent>>,
mut state: Local<GamepadState>,
) {
if let Some(value) = state.reader.latest(&gamepad_event) {
let pad_handle = value.0;
match value.1 {
bevy::prelude::GamepadEventType::Connected => {
let res_player_handle = input_map.clone().get_available_player_handle();
match res_player_handle {
Some(player_handle) => {
println!(
"InputMap: Gamepad Connected {:?} to player {}",
pad_handle, player_handle
);
input_map.player_handles_in_use.insert(player_handle);
input_map
.joystick_to_player_map
.insert(pad_handle, player_handle);
input_map
.player_to_joystick_map
.insert(player_handle, pad_handle);
}
None => {
println!("InputMap: Housefull. No space for more gamepads");
}
}
}
bevy::prelude::GamepadEventType::Disconnected => {
let opt_player_handle =
input_map.clone().get_player_handle_for_gamepad(pad_handle);
if let Some(player_handle) = opt_player_handle {
println!(
"InputMap: Gamepad Disconnected {:?} for player {}",
pad_handle, player_handle
);
input_map.player_handles_in_use.remove(&player_handle);
input_map.joystick_to_player_map.remove(&pad_handle);
input_map.player_to_joystick_map.remove(&player_handle);
}
}
_ => ()
}
}
}
pub(crate) fn gamepad_axis_system(
mut input_map: ResMut<Kurinji>,
pad_axis: Res<bevy::input::Axis<bevy::input::gamepad::GamepadAxis>>,
) {
for (k, v) in input_map.clone().joystick_axis_binding.iter() {
let player = k.0;
let axis = k.1.clone();
let is_positive = Kurinji::is_gamepad_axis_positive(axis.clone());
if let Some(bevy_gamepad) = input_map.clone().get_gamepad_from_player_handle(player) {
let bevy_axis_type = Kurinji::get_bevy_gamepad_axis_type_from_pad_axis(axis);
let bevy_axis = bevy::input::gamepad::GamepadAxis(bevy_gamepad, bevy_axis_type);
let signed_str = pad_axis.get(bevy_axis).unwrap_or(0.);
if signed_str > 0. && is_positive || signed_str < 0. && !is_positive {
input_map.set_raw_action_strength(&v.to_string(), signed_str.abs());
}
}
}
}
}