WIP moving view into own structs

src/main.rs

@@ -129,8 +129,7 @@ fn main() -> Result<(), io::Error> {
 
     let mut app = App::new(game);
     loop {
-        terminal.draw(|f| app.draw(f))?;
-        if !app.step() {
+        if !app.do_loop(&mut terminal) {
             break;
         }
     }

src/ui/debug_view.rs

@@ -3,7 +3,7 @@ use tui::{backend::Backend, Frame};
 
 use crate::{world::Terrain, game::Game};
 
-use super::{controls::Controls, DefaultLayout, status_line::StatusLine, AppStatus};
+use super::{controls::Controls, DefaultLayout, status_line::StatusLine, AppStatus, guest_selection::GuestSelectionView};
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
 enum DebugTab {
@@ -56,12 +56,12 @@ impl<'a> DebugView<'a> {
         view
     }
 
-    pub fn control(&mut self, _game: &mut Game) -> (bool, Option<AppStatus>) {
+    pub fn control(&mut self, game: &mut Game) -> (bool, Option<AppStatus>) {
         match read() {
             Ok(Event::Key(event)) => {
                 match event.code {
                     KeyCode::Esc => {
-                        return (true, Some(AppStatus::GuestSelection))
+                        return (true, Some(AppStatus::GuestSelection(GuestSelectionView::new(game))));
                     },
                     KeyCode::Up => {
                         if self.selected == DebugTab::Map {

src/ui/guest_selection.rs

@@ -3,7 +3,7 @@ use tui::{backend::Backend, Frame};
 
 use crate::game::Game;
 
-use super::{AppStatus, DefaultLayout, controls::Controls, status_line::StatusLine};
+use super::{AppStatus, DefaultLayout, controls::Controls, status_line::StatusLine, talk_to_guest::TalkToGuestView, debug_view::DebugView};
 
 pub struct GuestSelectionView<'a> {
     guest_list: Vec<tui::widgets::ListItem<'a>>,
@@ -49,17 +49,14 @@ impl<'a> GuestSelectionView<'a> {
                         if game.state.guests().len() > 0 {
                             match self.guest_list_state.selected() {
                                 Some(selected) => {
-                                    // let guest_id = &self.game.state.guests()[selected];
-                                    // self.conversation = Chat::new();
-                                    // self.greet_guest(Some(*guest_id));
-                                    // self.status = AppStatus::TalkToGuest(Some(*guest_id));
+                                    return (true, Some(AppStatus::TalkToGuest(TalkToGuestView::new(game, game.state.guests()[selected]))))
                                 },
                                 None => {}
                             }
                         }
                     },
                     KeyCode::Char('?') => {
-                        return (true, Some(AppStatus::Debug))
+                        return (true, Some(AppStatus::Debug(DebugView::new(game))))
                     },
                     KeyCode::Char('.') => {
                         game.step();

src/ui/mod.rs

@@ -2,14 +2,16 @@ mod chat;
 mod controls;
 mod debug_view;
 mod guest_selection;
+mod talk_to_guest;
 mod status_line;
 
+
 use crossterm::event::{read, Event, KeyCode};
-use tui::{backend::Backend, Frame, layout::Layout};
+use tui::{backend::Backend, Frame, layout::Layout, Terminal};
 
 use crate::{game::Game, entity::{EntityId, EntityType}, world::Terrain};
 
-use self::{chat::{Chat, ChatLine}, controls::Controls, debug_view::DebugView, guest_selection::GuestSelectionView};
+use self::{chat::{Chat, ChatLine}, controls::Controls, debug_view::DebugView, guest_selection::GuestSelectionView, talk_to_guest::TalkToGuestView};
 
 /**
  * |........................|
@@ -20,27 +22,28 @@ use self::{chat::{Chat, ChatLine}, controls::Controls, debug_view::DebugView, gu
  * |........................|
  */
 
-pub enum AppStatus {
+pub enum AppStatus<'a> {
     Initial,
-    GuestSelection,
-    TalkToGuest(Option<EntityId>),
+    GuestSelection(GuestSelectionView<'a>),
+    TalkToGuest(TalkToGuestView),
     BuyFromGuest(EntityId),
-    Debug,
+    Debug(DebugView<'a>),
 }
 
 pub struct App<'a> {
     game: Game,
-    status: AppStatus,
-
-    // Guest Selection
-    guest_selection: Option<GuestSelectionView<'a>>,
+    status: AppStatus<'a>,
+    next_status: Option<AppStatus<'a>>,
 
+    
     // Conversation
     conversation: Chat,
     conversation_scroll: u16,
-
-    // Debug
-    debug_view: Option<DebugView<'a>>,
+    
+    // // Guest Selection
+    // guest_selection: Option<GuestSelectionView<'a>>,
+    // // Debug
+    // debug_view: Option<DebugView<'a>>,
 }
 
 pub struct DefaultLayout {
@@ -74,85 +77,60 @@ impl<'a> App<'a> {
     pub fn new(state: Game) -> App<'a> {
         App {
             game: state,
-            guest_selection: None,
             status: AppStatus::Initial,
             conversation: Chat::new(),
             conversation_scroll: 0,
-            debug_view: None,
+            next_status: None,
+            // guest_selection: None,
+            // debug_view: None,
         }
     }
 
-    pub fn step(&mut self) -> bool {
-        match &self.status {
+    pub fn do_loop<B: Backend>(&'a mut self, terminal: &mut Terminal<B>) -> bool {
+        terminal.draw(|f| self.draw(f)).unwrap();
+        self.step()
+    }
+
+    pub fn step(&'a mut self) -> bool {
+        if let Some(next_status) = self.next_status.take() {
+            self.status = next_status;
+            self.next_status = None;
+        }
+
+        let mut ret = (true, None);
+        match &mut self.status {
             AppStatus::Initial => {
-                self.guest_selection = Some(GuestSelectionView::new(&self.game));
-                self.status = AppStatus::GuestSelection;
-                true
+                ret.1 = Some(AppStatus::GuestSelection(GuestSelectionView::new(&self.game)));
             },
-            AppStatus::GuestSelection => {
-                let ret = self.guest_selection.as_mut().unwrap().control(&mut self.game);
-                if let Some(next) = ret.1 {
-                    self.debug_view = None;
-                    self.status = next;
-                }
-                ret.0
+            AppStatus::GuestSelection(ref mut guest_selection) => {
+                ret = guest_selection.control(&mut self.game);
             },
-            AppStatus::TalkToGuest(guest) => {
-                match read() {
-                    Ok(Event::Key(event)) => {
-                        match event.code {
-                            KeyCode::Esc => {
-                                self.status = AppStatus::GuestSelection;
-                            },
-                            KeyCode::Char('a') => {
-                                self.ask_business(*guest);
-                            },
-                            KeyCode::Char('b') => {
-                                self.status = AppStatus::BuyFromGuest(guest.unwrap());
-                            },
-                            KeyCode::Up => {
-                                self.conversation_scroll += 1;
-                            },
-                            KeyCode::Down => {
-                                if self.conversation_scroll > 0 {
-                                    self.conversation_scroll -= 1;
-                                }
-                            },
-                            _ => {}
-                        }
-                    },
-                    _ => {}
-                }
-                true
+            AppStatus::TalkToGuest(talk_view) => {
+                ret = talk_view.control(&mut self.game);
             },
             AppStatus::BuyFromGuest(guest_id) => {
-                match read() {
-                    Ok(Event::Key(event)) => {
-                        match event.code {
-                            KeyCode::Esc => {
-                                self.status = AppStatus::TalkToGuest(Some(*guest_id));
-                            },
-                            _ => {}
-                        }
-                    },
-                    _ => {}
-                }
-                true
+                // match read() {
+                //     Ok(Event::Key(event)) => {
+                //         match event.code {
+                //             KeyCode::Esc => {
+                //                 self.status = AppStatus::TalkToGuest(Some(*guest_id));
+                //             },
+                //             _ => {}
+                //         }
+                //     },
+                //     _ => {}
+                // }
             },
-            AppStatus::Debug => {
-                let ret = self.debug_view.as_mut().unwrap().control(&mut self.game);
-                if let Some(next) = ret.1 {
-                    self.debug_view = None;
-                    self.status = next;
-                }
-                ret.0
+            AppStatus::Debug(debug_view) => {
+                ret = debug_view.control(&mut self.game);
             }
         }
+        self.next_status = ret.1;
+        ret.0
     }
 
     fn open_debug(&mut self) {
-        self.debug_view = Some(DebugView::new(&self.game));
-        self.status = AppStatus::Debug;
+        self.status = AppStatus::Debug(DebugView::new(&self.game));
     }
 
     // fn default_layout(&self) -> Layout {
@@ -160,21 +138,21 @@ impl<'a> App<'a> {
     // }
 
     pub fn draw<B: Backend>(&mut self, f: &mut Frame<B>) {
-        match &self.status {
+        match &mut self.status {
             AppStatus::Initial => {
                 self.draw_initial(f);
             },
-            AppStatus::GuestSelection => {
-                self.guest_selection.as_mut().unwrap().draw(f, &self.game);
+            AppStatus::GuestSelection(view) => {
+                view.draw(f, &self.game);
             },
-            AppStatus::TalkToGuest(guest_id) => {
-                self.draw_talk_to_guest(f, *guest_id);
+            AppStatus::TalkToGuest(view) => {
+                view.draw(f, &self.game);
             },
             AppStatus::BuyFromGuest(guest_id) => {
-                self.draw_buy_from_guest(f, *guest_id);
+                // self.draw_buy_from_guest(f, *guest_id);
             },
-            AppStatus::Debug => {
-                self.debug_view.as_mut().unwrap().draw(f, &self.game);
+            AppStatus::Debug(view) => {
+                view.draw(f, &self.game);
             },
         }
 

src/ui/talk_to_guest.rs

@@ -0,0 +1,138 @@
+use crossterm::event::{read, Event, KeyCode};
+use tui::{backend::Backend, Frame};
+
+use crate::{game::Game, entity::{EntityId, EntityType}};
+
+use super::{AppStatus, DefaultLayout, controls::Controls, status_line::StatusLine, chat::{Chat, ChatLine}, guest_selection::GuestSelectionView};
+
+pub struct TalkToGuestView {
+    guest_id: EntityId,
+    conversation: Chat,
+    conversation_scroll: u16,
+}
+
+impl TalkToGuestView {
+    pub fn new(game: &Game, guest_id: EntityId) -> TalkToGuestView {
+        let mut view = TalkToGuestView {
+            guest_id,
+            conversation: Chat::new(),
+            conversation_scroll: 0,
+        };
+        view.greet_guest(game);
+        view
+    }
+
+    pub fn control(&mut self, game: &mut Game) -> (bool, Option<AppStatus>) {
+        match read() {
+            Ok(Event::Key(event)) => {
+                match event.code {
+                    KeyCode::Esc => {
+                        return (true, Some(AppStatus::GuestSelection(GuestSelectionView::new(game))));
+                    },
+                    KeyCode::Char('a') => {
+                        self.ask_business(game);
+                    },
+                    KeyCode::Char('b') => {
+                        // self.status = AppStatus::BuyFromGuest(guest.unwrap());
+                    },
+                    KeyCode::Up => {
+                        self.conversation_scroll += 1;
+                    },
+                    KeyCode::Down => {
+                        if self.conversation_scroll > 0 {
+                            self.conversation_scroll -= 1;
+                        }
+                    },
+                    _ => {}
+                }
+            },
+            _ => {}
+        }
+        return (true, None);
+    }
+
+    pub fn draw<B: Backend>(&mut self, f: &mut Frame<B>, game: &Game) {
+        let chunks = DefaultLayout::default(f.size());
+
+        let guest = game.state.get_creature(self.guest_id).unwrap();
+
+        let key_style = tui::style::Style::default()
+            .add_modifier(tui::style::Modifier::BOLD)
+            .fg(tui::style::Color::Green)
+            .bg(tui::style::Color::Black);
+
+        let mut full_text = self.conversation.to_spans();
+        full_text.push(tui::text::Spans::from(vec![
+            tui::text::Span::styled("(a) ", key_style),
+            tui::text::Span::raw("What's your business?"),
+        ]));
+        full_text.push(tui::text::Spans::from(vec![
+            tui::text::Span::styled("(b) ", key_style),
+            tui::text::Span::raw("What do you have to sell?"),
+        ]));
+        full_text.push(tui::text::Spans::from(vec![
+            tui::text::Span::styled("(c) ", key_style),
+            tui::text::Span::raw("Heard of anything interesting?"),
+        ]));
+        let text = tui::text::Text::from(full_text);
+        let scroll: u16 = ((text.lines.len() as u16) )
+            .saturating_sub(
+                (chunks.main.height as u16).saturating_sub(2) // 2 lines for the border
+            )
+            .saturating_sub(self.conversation_scroll);
+
+        let main_window = tui::widgets::Paragraph::new(text)
+            .block(tui::widgets::Block::default().title(guest.name.clone()).borders(tui::widgets::Borders::ALL))
+            .style(tui::style::Style::default().fg(tui::style::Color::White))
+            .scroll((scroll, 0));
+
+        let mut binding = Controls::new();
+        let controls = binding
+            .add("a-z".to_owned(), "Talk".to_owned())
+            .add("Esc".to_owned(), "Back".to_owned())
+            .render();
+
+        StatusLine::draw(f, chunks.status, game);
+        f.render_widget(main_window, chunks.main);
+        f.render_widget(controls, chunks.controls);    
+    }
+
+    /**
+     * Conversation
+     */
+    fn greet_guest(&mut self, game: &Game) {
+        let guest = game.state.get_creature(self.guest_id).unwrap();
+        self.conversation.add_line(ChatLine::new(
+            (EntityType::Creature, 0),
+            "You".to_owned(),
+            "Greetings traveller!".to_owned(),
+            false
+        ));
+        self.conversation.add_line(ChatLine::new(
+            self.guest_id,
+            guest.name.clone(),
+            "Hello, I'm ".to_owned() + &guest.name + ", nice to meet you! "
+            + "I'm a " + &guest.profession.to_string() + ".",
+            false
+        ));
+        self.conversation_scroll = 0;
+    }
+
+    fn ask_business(&mut self, game: &mut Game) {
+        let guest = game.state.get_creature(self.guest_id).unwrap();
+        self.conversation.add_line(ChatLine::new(
+            (EntityType::Creature, 0),
+            "You".to_owned(),
+            "What's your business?".to_owned(),
+            false
+        ));
+        self.conversation.add_line(ChatLine::new(
+            guest.entity.id,
+            guest.name.clone(),
+            guest.say_agenda(& game.state),
+            false
+        ));
+        self.conversation_scroll = 0;
+    }
+    
+}