350 lines
13 KiB
Rust
350 lines
13 KiB
Rust
mod chat;
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mod controls;
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use crossterm::event::{read, Event, KeyCode};
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use tui::{backend::Backend, Frame, layout::Layout};
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use crate::{game::Game, entity::EntityId};
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use self::{chat::{Chat, ChatLine}, controls::Controls};
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/**
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* |........................|
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* | Conversations/Selection|
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* | |
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* |........................|
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* | Available Options |
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* |........................|
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*/
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enum AppStatus {
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Initial,
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GuestSelection,
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TalkToGuest(Option<u32>),
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Debug,
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}
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struct DebugData<'a> {
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list: Vec<tui::widgets::ListItem<'a>>,
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list_state: tui::widgets::ListState,
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}
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pub struct App<'a> {
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game: Game,
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status: AppStatus,
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// Guest Selection
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guest_list: Vec<tui::widgets::ListItem<'a>>,
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guest_list_state: tui::widgets::ListState,
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// Conversation
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conversation: Chat,
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conversation_scroll: u16,
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// Debug
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dabug_data: Option<DebugData<'a>>,
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}
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impl<'a> App<'a> {
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pub fn new(state: Game) -> App<'a> {
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App {
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game: state,
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guest_list: vec![],
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guest_list_state: tui::widgets::ListState::default(),
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status: AppStatus::Initial,
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conversation: Chat::new(),
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conversation_scroll: 0,
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dabug_data: None,
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}
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}
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pub fn step(&mut self) -> bool {
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match &self.status {
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AppStatus::Initial => {
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// determine guests
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self.guest_list = self.game.state.guests().iter().map(|creature_id| {
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let creature = self.game.state.get_creature(*creature_id).unwrap();
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tui::widgets::ListItem::new(creature.name.clone())
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}).collect();
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self.guest_list_state = tui::widgets::ListState::default();
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self.guest_list_state.select(Some(0));
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self.status = AppStatus::GuestSelection;
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true
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},
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AppStatus::GuestSelection => {
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match read() {
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Ok(Event::Key(event)) => {
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match event.code {
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KeyCode::Up => {
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let selected = self.guest_list_state.selected().unwrap();
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if selected > 0 {
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self.guest_list_state.select(Some(selected - 1));
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}
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},
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KeyCode::Down => {
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let selected = self.guest_list_state.selected().unwrap();
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if selected < self.guest_list.len() - 1 {
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self.guest_list_state.select(Some(selected + 1));
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}
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},
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KeyCode::Enter => {
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if self.game.state.guests().len() > 0 {
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match self.guest_list_state.selected() {
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Some(selected) => {
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let guest_id = &self.game.state.guests()[selected];
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self.conversation = Chat::new();
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self.greet_guest(Some(*guest_id));
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self.status = AppStatus::TalkToGuest(Some(*guest_id));
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},
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None => {}
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}
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}
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},
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KeyCode::Char('?') => {
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self.open_debug();
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},
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KeyCode::Char('.') => {
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self.game.step();
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self.status = AppStatus::Initial;
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},
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KeyCode::Esc => {
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return false;
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},
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_ => {}
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}
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},
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_ => {}
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}
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true
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},
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AppStatus::TalkToGuest(guest) => {
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match read() {
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Ok(Event::Key(event)) => {
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match event.code {
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KeyCode::Esc => {
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self.status = AppStatus::GuestSelection;
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},
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KeyCode::Char('a') => {
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self.ask_business(*guest);
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},
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KeyCode::Up => {
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self.conversation_scroll += 1;
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},
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KeyCode::Down => {
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if self.conversation_scroll > 0 {
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self.conversation_scroll -= 1;
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}
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},
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_ => {}
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}
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},
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_ => {}
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}
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true
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},
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AppStatus::Debug => {
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match read() {
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Ok(Event::Key(event)) => {
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match event.code {
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KeyCode::Esc => {
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self.status = AppStatus::GuestSelection;
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},
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KeyCode::Up => {
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let selected = self.dabug_data.as_mut().unwrap().list_state.selected().unwrap();
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if selected > 0 {
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self.dabug_data.as_mut().unwrap().list_state.select(Some(selected - 1));
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}
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},
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KeyCode::Down => {
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let selected = self.dabug_data.as_mut().unwrap().list_state.selected().unwrap();
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if selected < self.dabug_data.as_ref().unwrap().list.len() - 1 {
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self.dabug_data.as_mut().unwrap().list_state.select(Some(selected + 1));
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}
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},
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_ => {}
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}
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},
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_ => {}
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}
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true
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}
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}
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}
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fn open_debug(&mut self) {
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let mut list = vec![];
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for (id, creature) in self.game.state.creatures.iter() {
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list.push(tui::widgets::ListItem::new(format!("{}: {} ({}) at {}",
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id, creature.name,
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creature.profession,
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creature.entity.loc,
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)));
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}
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self.dabug_data = Some(DebugData {
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list,
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list_state: tui::widgets::ListState::default(),
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});
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self.dabug_data.as_mut().unwrap().list_state.select(Some(0));
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self.status = AppStatus::Debug;
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}
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fn default_layout(&self) -> Layout {
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Layout::default()
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.direction(tui::layout::Direction::Vertical)
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.constraints(
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[
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tui::layout::Constraint::Min(3),
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tui::layout::Constraint::Length(2)
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]
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.as_ref(),
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)
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}
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pub fn draw<B: Backend>(&mut self, f: &mut Frame<B>) {
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match &self.status {
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AppStatus::Initial => {
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self.draw_initial(f);
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},
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AppStatus::GuestSelection => {
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self.draw_guest_selection(f);
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},
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AppStatus::TalkToGuest(guest_id) => {
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self.draw_talk_to_guest(f, *guest_id);
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},
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AppStatus::Debug => {
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self.draw_debug(f);
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}
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}
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}
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pub fn draw_initial<B: Backend>(&mut self, _f: &mut Frame<B>) {}
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pub fn draw_guest_selection<B: Backend>(&mut self, f: &mut Frame<B>) {
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let chunks = self.default_layout().split(f.size());
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let main_window = tui::widgets::List::new(self.guest_list.clone())
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.block(tui::widgets::Block::default().title("Guests").borders(tui::widgets::Borders::ALL))
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.style(tui::style::Style::default().fg(tui::style::Color::White))
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.highlight_style(tui::style::Style::default().add_modifier(tui::style::Modifier::ITALIC))
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.highlight_symbol(">>");
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let mut binding = Controls::new();
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let controls = binding
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.add("↑↓".to_owned(), "select guest".to_owned())
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.add("⏎".to_owned(), "talk to guest".to_owned())
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.add(".".to_owned(), "pass one day".to_owned())
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.add("Esc".to_owned(), "quit".to_owned())
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.render();
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f.render_stateful_widget(main_window, chunks[0], &mut self.guest_list_state);
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f.render_widget(controls, chunks[1]);
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}
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fn draw_talk_to_guest<B: Backend>(&self, f: &mut Frame<B>, guest: Option<u32>) {
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let chunks = self.default_layout().split(f.size());
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let guest = self.game.state.get_creature(guest.unwrap()).unwrap();
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let key_style = tui::style::Style::default()
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.add_modifier(tui::style::Modifier::BOLD)
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.fg(tui::style::Color::Green)
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.bg(tui::style::Color::Black);
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let mut full_text = self.conversation.to_spans();
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full_text.push(tui::text::Spans::from(vec![
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tui::text::Span::styled("(a) ", key_style),
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tui::text::Span::raw("What's your business?\n\n"),
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]));
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full_text.push(tui::text::Spans::from(vec![
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tui::text::Span::styled("(b) ", key_style),
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tui::text::Span::raw("Let's trade?\n\n"),
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]));
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full_text.push(tui::text::Spans::from(vec![
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tui::text::Span::styled("(c) ", key_style),
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tui::text::Span::raw("Heard of anything interesting?\n\n"),
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]));
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let text = tui::text::Text::from(full_text);
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let scroll: u16 = ((text.lines.len() as u16) )
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.checked_sub(
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(chunks[0].height as u16).checked_sub(2).unwrap_or(0) // 2 lines for the border
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)
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.unwrap_or(0)
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.checked_sub(self.conversation_scroll)
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.unwrap_or(0);
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let main_window = tui::widgets::Paragraph::new(text)
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.block(tui::widgets::Block::default().title(guest.name.clone()).borders(tui::widgets::Borders::ALL))
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.style(tui::style::Style::default().fg(tui::style::Color::White))
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.scroll((scroll, 0));
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let mut binding = Controls::new();
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let controls = binding
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.add("a-z".to_owned(), "Talk".to_owned())
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.add("Esc".to_owned(), "Back".to_owned())
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.render();
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f.render_widget(main_window, chunks[0]);
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f.render_widget(controls, chunks[1]);
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}
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fn draw_debug<B: Backend>(&mut self, f: &mut Frame<B>) {
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let chunks = self.default_layout().split(f.size());
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let data = self.dabug_data.as_mut().unwrap();
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let main_window = tui::widgets::List::new(data.list.clone())
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.block(tui::widgets::Block::default().title("Guests").borders(tui::widgets::Borders::ALL))
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.style(tui::style::Style::default().fg(tui::style::Color::White))
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.highlight_style(tui::style::Style::default().add_modifier(tui::style::Modifier::ITALIC))
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.highlight_symbol(">>");
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let mut binding = Controls::new();
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let controls = binding
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.add("↑↓".to_owned(), "select guest".to_owned())
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.add("Esc".to_owned(), "back".to_owned())
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.render();
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f.render_stateful_widget(main_window, chunks[0], &mut data.list_state);
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f.render_widget(controls, chunks[1]);
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}
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/**
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* Conversation
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*/
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fn greet_guest(&mut self, guest_id: Option<EntityId>) {
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let guest = self.game.state.get_creature(guest_id.unwrap()).unwrap();
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self.conversation.add_line(ChatLine::new(
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0,
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"You".to_owned(),
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"Greetings traveller!".to_owned(),
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false
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));
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self.conversation.add_line(ChatLine::new(
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guest_id.unwrap(),
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guest.name.clone(),
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"Hello, I'm ".to_owned() + &guest.name + ", nice to meet you! "
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+ "I'm a " + &guest.profession.to_string() + ".",
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false
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));
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self.conversation_scroll = 0;
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}
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fn ask_business(&mut self, guest: Option<EntityId>) {
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let guest = self.game.state.get_creature(guest.unwrap()).unwrap();
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self.conversation.add_line(ChatLine::new(
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0,
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"You".to_owned(),
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"What's your business?".to_owned(),
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false
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));
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self.conversation.add_line(ChatLine::new(
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guest.entity.id,
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guest.name.clone(),
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guest.say_agenda(& self.game.state),
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false
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));
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self.conversation_scroll = 0;
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}
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} |