implement showing all first-level messages of a chat

src/chat.rs

@@ -9,14 +9,17 @@ pub const CHATS: &[&str] = &[
 ];
 
 pub const TOKEN_CHAT: &str = "chat";
+pub const TALKER_SPEED_FACTOR: f32 = 1.0 / 17.0;
+pub const CHAT_SPEED_MIN_LEN: f32 = 40.0;
 
 pub struct ChatPlugin;
 impl Plugin for ChatPlugin {
     fn build(&self, app: &mut App) {
         app.add_systems(Startup, load_chats);
         app.add_systems(Update, (
-            handle_new_conversations,
-            handle_chat_events.after(handle_new_conversations),
+            handle_new_conversations.before(handle_chat_events),
+            handle_chat_events,
+            handle_chat_timer.before(handle_chat_events),
         ));
         app.add_event::<StartConversationEvent>();
         app.add_event::<ChatEvent>();
@@ -29,6 +32,7 @@ pub struct Chat {
     pub id: usize,
     pub position: usize,
     pub timer: f64,
+    pub talker: Talker,
 }
 
 #[derive(Component)]
@@ -66,9 +70,17 @@ impl ChatDB {
 
     pub fn advance_chat(&self, chat: &mut Chat, event: &mut EventWriter<ChatEvent>) {
         event.send(ChatEvent::DespawnAllChoices);
-        let conv = &self.0[chat.id];
+        let conv = &self.0[chat.id].as_vec();
+        if conv.is_none() {
+            return;
+        }
+        let conv = conv.unwrap();
         chat.position += 1;
-        dbg!(chat.position);
+        if chat.position >= conv.len() {
+            event.send(ChatEvent::DisplayMessage("Disconnected.".to_string()));
+            event.send(ChatEvent::DespawnAllChats);
+            return;
+        }
         if let Some(message) = conv[chat.position].as_str() {
             event.send(ChatEvent::DisplayMessage(message.to_string()));
         }
@@ -81,6 +93,7 @@ pub struct Talker {
     pub conv_id: String,
     pub name: Option<String>,
     pub pronoun: Option<String>,
+    pub talking_speed: f32,
 }
 
 #[derive(Event)]
@@ -91,6 +104,7 @@ pub struct StartConversationEvent {
 #[derive(Event)]
 pub enum ChatEvent {
     DespawnAllChoices,
+    DespawnAllChats,
     DisplayMessage(String),
     //SpawnChoice(String),
     //Script(String, String, String),
@@ -125,6 +139,7 @@ pub fn handle_new_conversations(
                     id: chat_id,
                     position: 0,
                     timer: time.elapsed_seconds_f64(),
+                    talker: event.talker.clone(),
                 };
                 chatdb.advance_chat(&mut chat, &mut ew_chatevent);
                 commands.spawn((
@@ -139,21 +154,48 @@ pub fn handle_new_conversations(
     }
 }
 
+pub fn handle_chat_timer(
+    time: Res<Time>,
+    chatdb: Res<ChatDB>,
+    mut q_chats: Query<&mut Chat>,
+    mut ew_chatevent: EventWriter<ChatEvent>,
+) {
+    let now = time.elapsed_seconds_f64();
+    for mut chat in &mut q_chats {
+        if now >= chat.timer {
+            chatdb.advance_chat(&mut chat, &mut ew_chatevent);
+        }
+    }
+}
+
 pub fn handle_chat_events(
     mut commands: Commands,
     mut er_chatevent: EventReader<ChatEvent>,
     mut log: ResMut<hud::Log>,
     q_choices: Query<Entity, With<Choice>>,
+    mut q_chats: Query<(Entity, &mut Chat)>,
+    time: Res<Time>,
 ) {
     for event in er_chatevent.read() {
+        let now = time.elapsed_seconds_f64();
+        let chat_maybe = q_chats.get_single_mut();
+        if chat_maybe.is_err() {
+            return;
+        }
+        let (chat_entity, mut chat) = chat_maybe.unwrap();
+
         match event {
             ChatEvent::DespawnAllChoices => {
                 for entity in &q_choices {
                     commands.entity(entity).despawn();
                 }
             }
+            ChatEvent::DespawnAllChats => {
+                commands.entity(chat_entity).despawn();
+            }
             ChatEvent::DisplayMessage(message) => {
                 log.chat(message.into(), "Someone".to_string());
+                chat.timer = now + ((message.len() as f32).max(CHAT_SPEED_MIN_LEN) * TALKER_SPEED_FACTOR * chat.talker.talking_speed) as f64;
             }
         }
     }

src/chats/serenity.yaml

@@ -17,7 +17,6 @@
 
 
 - chat: Icarus
-- TEST MESSAGE
 - if talkcount > 0:
   - "Oh, hi again! How are you?"
   - goto: howru

src/commands.rs

@@ -695,6 +695,7 @@ fn spawn_entities(
                     conv_id: state.chat.clone(),
                     name: state.name.clone(),
                     pronoun: Some(state.pronoun.clone()),
+                    talking_speed: 1.0,
                 });
             }
             if state.is_vehicle {