Files
server/src/objects/input/mouse_pointer.rs

483 lines
16 KiB
Rust

use super::{CaptureManager, DistanceCalculator, get_sorted_handlers};
use crate::{
DbusConnection, ObjectRegistryRes,
core::client::INTERNAL_CLIENT,
nodes::{
Node, OwnedNode,
fields::{EXPORTED_FIELDS, Field, FieldTrait, Ray},
input::{InputDataType, InputMethod, Pointer},
items::panel::KEYMAPS,
spatial::Spatial,
},
};
use bevy::{
input::{
ButtonState,
keyboard::{KeyboardInput, NativeKey, NativeKeyCode},
mouse::{MouseMotion, MouseWheel},
},
prelude::*,
window::PrimaryWindow,
};
use color_eyre::eyre::Result;
use glam::{Mat4, Vec3, vec3};
use mint::Vector2;
use serde::{Deserialize, Serialize};
use slotmap::{DefaultKey, Key as SlotKey};
use stardust_xr::{
schemas::dbus::{interfaces::FieldRefProxy, object_registry::ObjectRegistry},
values::Datamap,
};
use std::sync::Arc;
use tokio::task::JoinSet;
use tokio::time::{Duration, timeout};
use xkbcommon_rs::{Context, Keymap, KeymapFormat, xkb_keymap::CompileFlags};
use zbus::{Connection, names::OwnedInterfaceName};
pub struct FlatscreenInputPlugin;
impl Plugin for FlatscreenInputPlugin {
fn build(&self, app: &mut App) {
app.add_systems(Startup, setup);
// yes the input method will be delayed by one frame, its only for debugging anyways
app.add_systems(Update, update_pointer);
}
}
#[derive(Component)]
#[require(Camera3d)]
pub struct FlatscreenCam;
fn setup(mut cmds: Commands) {
let Ok(pointer) =
MousePointer::new().inspect_err(|err| error!("unable to create mouse pointer: {err}"))
else {
return;
};
cmds.spawn((FlatscreenCam, Name::new("Flatscreen Camera")));
cmds.insert_resource(pointer);
}
fn update_pointer(
window: Single<(&Window), With<PrimaryWindow>>,
mut cam: Single<(&Camera, &GlobalTransform, &mut Transform), With<FlatscreenCam>>,
mut pointer: ResMut<MousePointer>,
connection: Res<DbusConnection>,
object_registry: Res<ObjectRegistryRes>,
mouse_buttons: Res<ButtonInput<MouseButton>>,
keyboard_buttons: Res<ButtonInput<KeyCode>>,
mut scroll: EventReader<MouseWheel>,
mut motion: EventReader<MouseMotion>,
mut keyboard_input_events: EventReader<KeyboardInput>,
time: Res<Time>,
) {
let (cam, cam_transform, mut cam_local_transform) = cam.into_inner();
if keyboard_buttons.pressed(KeyCode::ShiftLeft) && mouse_buttons.pressed(MouseButton::Right) {
let (mut yaw, mut pitch, _) = cam_local_transform.rotation.to_euler(EulerRot::YXZ);
for e in motion.read() {
let scale = -0.003;
pitch += e.delta.y * scale;
yaw += e.delta.x * scale;
}
cam_local_transform.rotation = Quat::from_rotation_y(yaw) * Quat::from_rotation_x(pitch);
let mut move_vec = Vec3::ZERO;
move_vec.x += keyboard_buttons.pressed(KeyCode::KeyD) as u32 as f32;
move_vec.x -= keyboard_buttons.pressed(KeyCode::KeyA) as u32 as f32;
move_vec.z += keyboard_buttons.pressed(KeyCode::KeyS) as u32 as f32;
move_vec.z -= keyboard_buttons.pressed(KeyCode::KeyW) as u32 as f32;
move_vec.y += keyboard_buttons.pressed(KeyCode::KeyE) as u32 as f32;
move_vec.y -= keyboard_buttons.pressed(KeyCode::KeyQ) as u32 as f32;
let move_vec = cam_local_transform.rotation * move_vec.normalize_or_zero();
cam_local_transform.translation += move_vec * time.delta_secs() * 3.0;
return;
}
let Some(ray) = window
.cursor_position()
.and_then(|pos| get_viewport_pos(pos, cam))
.and_then(|pos| cam.viewport_to_world(cam_transform, pos).ok())
else {
return;
};
pointer.update(
&connection,
&object_registry,
ray,
&mouse_buttons,
&keyboard_buttons,
scroll,
keyboard_input_events,
);
}
fn get_viewport_pos(logical_pos: Vec2, cam: &Camera) -> Option<Vec2> {
if let Some(viewport_rect) = cam.logical_viewport_rect() {
if !viewport_rect.contains(logical_pos) {
return None;
}
Some(logical_pos - viewport_rect.min)
} else {
Some(logical_pos)
}
}
#[derive(Debug, Deserialize, Serialize)]
struct MouseEvent {
select: f32,
middle: f32,
context: f32,
grab: f32,
scroll_continuous: Vector2<f32>,
scroll_discrete: Vector2<f32>,
raw_input_events: Vec<u32>,
}
impl Default for MouseEvent {
fn default() -> Self {
MouseEvent {
select: 0.0,
middle: 0.0,
context: 0.0,
grab: 0.0,
scroll_continuous: [0.0; 2].into(),
scroll_discrete: [0.0; 2].into(),
raw_input_events: vec![],
}
}
}
#[zbus::proxy(
interface = "org.stardustxr.XKBv1",
default_service = "org.stardustxr.XKBv1"
)]
trait KeyboardHandler {
async fn keymap(&self, keymap_id: u64) -> zbus::Result<()>;
async fn key_state(&self, key: u32, pressed: bool) -> zbus::Result<()>;
async fn reset(&self) -> zbus::Result<()>;
}
#[derive(Resource)]
pub struct MousePointer {
node: OwnedNode,
keymap: DefaultKey,
spatial: Arc<Spatial>,
pointer: Arc<InputMethod>,
capture_manager: CaptureManager,
mouse_datamap: MouseEvent,
}
impl MousePointer {
pub fn new() -> Result<Self> {
let node = Node::generate(&INTERNAL_CLIENT, false).add_to_scenegraph_owned()?;
let spatial = Spatial::add_to(&node.0, None, Mat4::IDENTITY, false);
let pointer = InputMethod::add_to(
&node.0,
InputDataType::Pointer(Pointer::default()),
Datamap::from_typed(MouseEvent::default())?,
)?;
let context = Context::new(0).unwrap();
let keymap = KEYMAPS.lock().insert(
Keymap::new_from_names(context, None, CompileFlags::NO_FLAGS)
.unwrap()
.get_as_string(KeymapFormat::TextV1)
.unwrap(),
);
Ok(MousePointer {
node,
spatial,
pointer,
capture_manager: CaptureManager::default(),
mouse_datamap: Default::default(),
keymap,
})
}
pub fn update(
&mut self,
dbus_connection: &Connection,
object_registry: &ObjectRegistry,
ray: Ray3d,
mouse_buttons: &ButtonInput<MouseButton>,
keyboard_buttons: &ButtonInput<KeyCode>,
mut scroll: EventReader<MouseWheel>,
mut keyboard_input_events: EventReader<KeyboardInput>,
) {
let mut discrete = Vec2::ZERO;
let mut continuous = Vec2::ZERO;
for e in scroll.read() {
match e.unit {
bevy::input::mouse::MouseScrollUnit::Line => {
discrete.x += e.x;
discrete.y += e.y;
}
bevy::input::mouse::MouseScrollUnit::Pixel => {
continuous.x += e.x;
continuous.y += e.y;
}
}
}
self.spatial.set_local_transform(
Mat4::look_to_rh(ray.origin, Vec3::from(ray.direction), Vec3::Y).inverse(),
);
{
// Set pointer input datamap
self.mouse_datamap = MouseEvent {
select: mouse_buttons.pressed(MouseButton::Left) as u32 as f32,
middle: mouse_buttons.pressed(MouseButton::Middle) as u32 as f32,
context: mouse_buttons.pressed(MouseButton::Right) as u32 as f32,
grab: mouse_buttons.pressed(MouseButton::Right) as u32 as f32, // Was Mouse 5
scroll_continuous: continuous.into(),
scroll_discrete: discrete.into(),
raw_input_events: mouse_buttons
.get_pressed()
.map(|button| match button {
MouseButton::Left => input_event_codes::BTN_LEFT!(),
MouseButton::Right => input_event_codes::BTN_RIGHT!(),
MouseButton::Middle => input_event_codes::BTN_MIDDLE!(),
MouseButton::Back => input_event_codes::BTN_BACK!(),
MouseButton::Forward => input_event_codes::BTN_FORWARD!(),
MouseButton::Other(b) => *b as u32,
})
.collect(),
};
*self.pointer.datamap.lock() = Datamap::from_typed(&self.mouse_datamap).unwrap();
}
self.target_pointer_input();
self.send_keyboard_input(dbus_connection, object_registry, keyboard_input_events);
}
fn target_pointer_input(&mut self) {
let distance_calculator: DistanceCalculator = |space, data, field| {
let result = field.ray_march(Ray {
origin: vec3(0.0, 0.0, 0.0),
direction: vec3(0.0, 0.0, -1.0),
space: space.clone(),
});
let valid =
result.deepest_point_distance > 0.0 && result.min_distance.is_sign_negative();
valid.then_some(result.deepest_point_distance)
};
self.capture_manager.update_capture(&self.pointer);
self.capture_manager
.set_new_capture(&self.pointer, distance_calculator);
self.capture_manager.apply_capture(&self.pointer);
if self.capture_manager.capture.upgrade().is_some() {
return;
}
let mut handlers = get_sorted_handlers(&self.pointer, distance_calculator);
let first_distance = handlers
.first()
.map(|(_, distance)| *distance)
.unwrap_or(f32::NEG_INFINITY);
self.pointer.set_handler_order(
handlers
.iter()
.filter(|(handler, distance)| (distance - first_distance).abs() <= 0.001)
.map(|(handler, _)| handler),
);
}
pub fn send_keyboard_input(
&mut self,
dbus_connection: &Connection,
object_registry: &ObjectRegistry,
mut keyboard_input_events: EventReader<KeyboardInput>,
) {
let keyboard_handlers = object_registry.get_objects("org.stardustxr.XKBv1");
let events = keyboard_input_events
.read()
.filter_map(|e| Some((map_key(e.key_code)?, e.state)))
.collect::<Vec<_>>();
// Spawn async task to handle keyboard input
tokio::spawn({
let keyboard_handlers = keyboard_handlers.clone();
let spatial = self.spatial.clone();
let keymap_id = self.keymap.data().as_ffi();
let dbus_connection = dbus_connection.clone();
async move {
let mut closest_handler = None;
let mut closest_distance = f32::MAX;
let mut join_set = JoinSet::new();
for handler in &keyboard_handlers {
let handler = handler.clone();
let dbus_connection = dbus_connection.clone();
join_set.spawn(async move {
// TODO: refactor the whole thing so picking the keyboardhandler to send input to is separate from sending
timeout(Duration::from_millis(10), async {
let field_ref = handler
.to_typed_proxy::<FieldRefProxy>(&dbus_connection)
.await
.ok()?;
let uid = field_ref.uid().await.ok()?;
Some((handler, uid))
})
.await
.ok()
.flatten()
});
}
while let Some(Ok(Some((handler, field_ref_id)))) = join_set.join_next().await {
let exported_fields = EXPORTED_FIELDS.lock();
let Some(field_ref_node) =
exported_fields.get(&field_ref_id).and_then(|f| f.upgrade())
else {
println!("didn't find a thing :(");
continue;
};
// println!("still sendin stuff :)");
let Ok(field_ref) = field_ref_node.get_aspect::<Field>() else {
continue;
};
drop(exported_fields);
let result = field_ref.ray_march(Ray {
origin: vec3(0.0, 0.0, 0.0),
direction: vec3(0.0, 0.0, -1.0),
space: spatial.clone(),
});
if result.deepest_point_distance > 0.0
&& result.min_distance < 0.05
&& result.deepest_point_distance < closest_distance
{
closest_distance = result.deepest_point_distance;
closest_handler = Some(handler);
}
}
let Some(handler) = closest_handler else {
return;
};
let Ok(keyboard_handler) = handler
.to_typed_proxy::<KeyboardHandlerProxy>(&dbus_connection)
.await
else {
return;
};
// Register keymap first
let _ = keyboard_handler.keymap(keymap_id).await;
// Send key states
for (key, state) in events.iter() {
let pressed = matches!(state, ButtonState::Pressed);
let _ = keyboard_handler.key_state(key + 8, pressed).await;
}
}
});
}
}
fn map_key(key: KeyCode) -> Option<u32> {
use KeyCode as Key;
match key {
Key::Unidentified(NativeKeyCode::Xkb(code)) => Some(code),
Key::Backspace => Some(input_event_codes::KEY_BACKSPACE!()),
Key::Tab => Some(input_event_codes::KEY_TAB!()),
Key::Enter => Some(input_event_codes::KEY_ENTER!()),
Key::ShiftLeft => Some(input_event_codes::KEY_LEFTSHIFT!()),
Key::ControlLeft => Some(input_event_codes::KEY_LEFTCTRL!()),
Key::AltLeft => Some(input_event_codes::KEY_LEFTALT!()),
Key::CapsLock => Some(input_event_codes::KEY_CAPSLOCK!()),
Key::Escape => Some(input_event_codes::KEY_ESC!()),
Key::Space => Some(input_event_codes::KEY_SPACE!()),
Key::End => Some(input_event_codes::KEY_END!()),
Key::Home => Some(input_event_codes::KEY_HOME!()),
Key::ArrowLeft => Some(input_event_codes::KEY_LEFT!()),
Key::ArrowRight => Some(input_event_codes::KEY_RIGHT!()),
Key::ArrowUp => Some(input_event_codes::KEY_UP!()),
Key::ArrowDown => Some(input_event_codes::KEY_DOWN!()),
Key::PageUp => Some(input_event_codes::KEY_PAGEUP!()),
Key::PageDown => Some(input_event_codes::KEY_PAGEDOWN!()),
Key::PrintScreen => Some(input_event_codes::KEY_PRINT!()),
Key::Insert => Some(input_event_codes::KEY_INSERT!()),
Key::Delete => Some(input_event_codes::KEY_DELETE!()),
Key::Digit0 => Some(input_event_codes::KEY_0!()),
Key::Digit1 => Some(input_event_codes::KEY_1!()),
Key::Digit2 => Some(input_event_codes::KEY_2!()),
Key::Digit3 => Some(input_event_codes::KEY_3!()),
Key::Digit4 => Some(input_event_codes::KEY_4!()),
Key::Digit5 => Some(input_event_codes::KEY_5!()),
Key::Digit6 => Some(input_event_codes::KEY_6!()),
Key::Digit7 => Some(input_event_codes::KEY_7!()),
Key::Digit8 => Some(input_event_codes::KEY_8!()),
Key::Digit9 => Some(input_event_codes::KEY_9!()),
Key::KeyA => Some(input_event_codes::KEY_A!()),
Key::KeyB => Some(input_event_codes::KEY_B!()),
Key::KeyC => Some(input_event_codes::KEY_C!()),
Key::KeyD => Some(input_event_codes::KEY_D!()),
Key::KeyE => Some(input_event_codes::KEY_E!()),
Key::KeyF => Some(input_event_codes::KEY_F!()),
Key::KeyG => Some(input_event_codes::KEY_G!()),
Key::KeyH => Some(input_event_codes::KEY_H!()),
Key::KeyI => Some(input_event_codes::KEY_I!()),
Key::KeyJ => Some(input_event_codes::KEY_J!()),
Key::KeyK => Some(input_event_codes::KEY_K!()),
Key::KeyL => Some(input_event_codes::KEY_L!()),
Key::KeyM => Some(input_event_codes::KEY_M!()),
Key::KeyN => Some(input_event_codes::KEY_N!()),
Key::KeyO => Some(input_event_codes::KEY_O!()),
Key::KeyP => Some(input_event_codes::KEY_P!()),
Key::KeyQ => Some(input_event_codes::KEY_Q!()),
Key::KeyR => Some(input_event_codes::KEY_R!()),
Key::KeyS => Some(input_event_codes::KEY_S!()),
Key::KeyT => Some(input_event_codes::KEY_T!()),
Key::KeyU => Some(input_event_codes::KEY_U!()),
Key::KeyV => Some(input_event_codes::KEY_V!()),
Key::KeyW => Some(input_event_codes::KEY_W!()),
Key::KeyX => Some(input_event_codes::KEY_X!()),
Key::KeyY => Some(input_event_codes::KEY_Y!()),
Key::KeyZ => Some(input_event_codes::KEY_Z!()),
Key::Numpad0 => Some(input_event_codes::KEY_NUMERIC_0!()),
Key::Numpad1 => Some(input_event_codes::KEY_NUMERIC_1!()),
Key::Numpad2 => Some(input_event_codes::KEY_NUMERIC_2!()),
Key::Numpad3 => Some(input_event_codes::KEY_NUMERIC_3!()),
Key::Numpad4 => Some(input_event_codes::KEY_NUMERIC_4!()),
Key::Numpad5 => Some(input_event_codes::KEY_NUMERIC_5!()),
Key::Numpad6 => Some(input_event_codes::KEY_NUMERIC_6!()),
Key::Numpad7 => Some(input_event_codes::KEY_NUMERIC_7!()),
Key::Numpad8 => Some(input_event_codes::KEY_NUMERIC_8!()),
Key::Numpad9 => Some(input_event_codes::KEY_NUMERIC_9!()),
Key::F1 => Some(input_event_codes::KEY_F1!()),
Key::F2 => Some(input_event_codes::KEY_F2!()),
Key::F3 => Some(input_event_codes::KEY_F3!()),
Key::F4 => Some(input_event_codes::KEY_F4!()),
Key::F5 => Some(input_event_codes::KEY_F5!()),
// Key::F6 => Some(input_event_codes::KEY_F6!()),
// Key::F7 => Some(input_event_codes::KEY_F7!()),
// Key::F8 => Some(input_event_codes::KEY_F8!()),
Key::F9 => Some(input_event_codes::KEY_F9!()),
Key::F10 => Some(input_event_codes::KEY_F10!()),
Key::F11 => Some(input_event_codes::KEY_F11!()),
Key::F12 => Some(input_event_codes::KEY_F12!()),
Key::Comma => Some(input_event_codes::KEY_COMMA!()),
Key::Period => Some(input_event_codes::KEY_DOT!()),
Key::Slash => Some(input_event_codes::KEY_SLASH!()),
Key::Backslash => Some(input_event_codes::KEY_BACKSLASH!()),
Key::Semicolon => Some(input_event_codes::KEY_SEMICOLON!()),
Key::Quote => Some(input_event_codes::KEY_APOSTROPHE!()),
Key::BracketLeft => Some(input_event_codes::KEY_LEFTBRACE!()),
Key::BracketRight => Some(input_event_codes::KEY_RIGHTBRACE!()),
Key::Minus => Some(input_event_codes::KEY_MINUS!()),
Key::Equal => Some(input_event_codes::KEY_EQUAL!()),
Key::Backquote => Some(input_event_codes::KEY_GRAVE!()),
Key::SuperLeft => Some(input_event_codes::KEY_LEFTMETA!()),
Key::SuperRight => Some(input_event_codes::KEY_RIGHTMETA!()),
Key::NumpadMultiply => Some(input_event_codes::KEY_NUMERIC_STAR!()),
Key::NumpadAdd => Some(input_event_codes::KEY_KPPLUS!()),
Key::NumpadSubtract => Some(input_event_codes::KEY_MINUS!()),
Key::NumpadDecimal => Some(input_event_codes::KEY_DOT!()),
Key::NumpadDivide => Some(input_event_codes::KEY_SLASH!()),
_ => None,
}
}