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|
use std::cell::RefCell;
use crate::GameState;
use crate::eguictx::EguiCtx;
use crate::fleet::{Fleet, FleetsManager};
use crate::solar_system::{Kilometers, SolarSystem, SystemId};
use crate::solar_system::body::BodyId;
#[derive(Default, Clone)]
pub struct FleetWindowState
{
pub open: bool,
pub selected_system: Option<SystemId>,
pub new_fleet_window: Option<NewFleetWindowState>
}
#[derive(Default, Clone)]
pub struct FleetWindowAction
{
pub new_fleet: Option<NewFleet>
}
#[derive(Default, Clone)]
pub struct NewFleetWindowState
{
pub open: bool,
pub parent_system: SystemId,
pub parent_body: BodyId,
pub fleet_name: String,
pub fleet_sma: Kilometers
}
#[derive(Default, Clone)]
pub struct NewFleet
{
pub system: SystemId,
pub orbiting: BodyId,
pub name: String,
pub sma: Kilometers
}
impl FleetWindowState
{
pub fn paint(
&mut self,
game_state: &GameState,
eguictx: &EguiCtx,
focused_body: &Option<BodyId>)
-> FleetWindowAction
{
let mut action = FleetWindowAction::default();
let star_systems = game_state.solar_systems();
let fleets_manager = game_state.fleets();
let mut mgr_open = self.open;
egui::Window::new("Fleet Manager")
.open(&mut mgr_open)
.show(eguictx.context(), |ui| {
ui.horizontal(|ui| {
self.paint_systems_list(
&mut action,
ui,
fleets_manager,
star_systems,
focused_body
);
});
});
match &mut self.new_fleet_window {
Some(new_fleet_window) => {
action.new_fleet = new_fleet_window.paint(game_state, eguictx);
if action.new_fleet.is_some() || !new_fleet_window.open {
self.new_fleet_window = None;
}
}
None => {}
}
self.open = mgr_open;
action
}
fn paint_systems_list(
&mut self,
action: &mut FleetWindowAction,
ui: &mut egui::Ui,
fleets_manager: &FleetsManager,
star_systems: &[SolarSystem],
focused_body: &Option<BodyId>)
-> egui::InnerResponse<()>
{
ui.vertical(|ui| {
for system in star_systems {
self.paint_fleet_list(fleets_manager, &system, ui);
}
if self.selected_system.is_none() { return; }
if ui.button("New Fleet").clicked() {
if self.new_fleet_window.is_none() {
self.new_fleet_window = Some(NewFleetWindowState::new(
self.selected_system.unwrap(),
focused_body.unwrap_or(0)
));
}
}
})
}
fn paint_fleet_list(
&mut self,
fleets_manager: &FleetsManager,
star_system: &SolarSystem,
ui: &mut egui::Ui)
{
let fleet_ids = star_system.fleets(fleets_manager);
egui::collapsing_header::CollapsingState::load_with_default_open(
ui.ctx(),
ui.make_persistent_id(format!("fleet_window_star_{}", star_system.id())),
true
)
.show_header(ui, |ui| {
let selected = self.selected_system.is_some_and(|id| { id == star_system.id() });
if ui.selectable_label(selected, star_system.name()).clicked() {
self.selected_system = if !selected { Some(star_system.id()) } else { None };
}
})
.body(|ui| {
for id in fleet_ids {
if let Some(fleet) = fleets_manager.entry(id) {
self.paint_fleet_entry(fleet, ui);
}
}
});
}
fn paint_fleet_entry(
&mut self,
fleet: &Fleet,
ui: &mut egui::Ui)
{
ui.label(fleet.name());
}
} // FleetWindowAction
impl NewFleetWindowState
{
pub fn new(
parent_system: SystemId,
parent_body: BodyId)
-> Self {
Self {
open: true,
parent_system: parent_system,
parent_body: parent_body,
..Default::default()
}
}
pub fn paint(
&mut self,
game_state: &GameState,
eguictx: &EguiCtx)
-> Option<NewFleet>
{
let solar_system = &game_state.solar_systems()[self.parent_system];
let orbiting = solar_system.body(self.parent_body);
match egui::Window::new("New Fleet")
.collapsible(false)
.open(&mut self.open)
.show(eguictx.context(), |ui| {
ui.vertical(|ui| {
ui.horizontal(|ui| {
ui.label("Name: ");
ui.add(egui::TextEdit::singleline(&mut self.fleet_name));
});
ui.label(format!("Orbiting: {}", orbiting.name()));
ui.horizontal(|ui| {
ui.label("SMA: ");
ui.add(egui::DragValue::new(&mut self.fleet_sma)
.range(orbiting.radius()..=f32::INFINITY)
.clamp_existing_to_range(true)
.suffix("km"));
});
if ui.button("Create").clicked() {
return Some(NewFleet {
system: self.parent_system,
orbiting: self.parent_body,
name: self.fleet_name.clone(),
sma: self.fleet_sma,
});
}
None
}).inner
}) {
Some(resp) => {
resp.inner?
},
None => None
}
}
}
|
