WIP choices

src/chat.rs

@@ -40,10 +40,10 @@ impl Plugin for ChatPlugin {
     fn build(&self, app: &mut App) {
         app.add_systems(Startup, load_chats);
         app.add_systems(Update, (
+            handle_reply_keys.before(handle_chat_timer),
+            handle_chat_timer.before(handle_chat_events),
             handle_new_conversations.before(handle_chat_events),
             handle_chat_events,
-            handle_reply_keys,
-            handle_chat_timer.before(handle_chat_events),
         ));
         app.add_event::<StartConversationEvent>();
         app.add_event::<ChatEvent>();
@@ -51,10 +51,12 @@ impl Plugin for ChatPlugin {
     }
 }
 
+type ChatPos = Vec<usize>;
+
 #[derive(Component)]
 pub struct Chat {
     pub id: usize,
-    pub position: Vec<usize>,
+    pub position: ChatPos,
     pub timer: f64,
     pub talker: Talker,
 }
@@ -63,6 +65,7 @@ pub struct Chat {
 pub struct Choice {
     pub text: String,
     pub key: usize,
+    pub goto: ChatPos,
 }
 
 // This is the only place where any YAML interaction should be happening.
@@ -131,15 +134,23 @@ impl ChatDB {
         chat.position[index] += 1;
 
         while chat.position.len() > 0 {
-            if let None = self.at(chat.id, &chat.position) {
+            dbg!(self.at(chat.id, &chat.position));
+            match self.at(chat.id, &chat.position) {
+                None => {
+                    dbg!("Pop.");
                     chat.position.pop();
-            }
                     let index = chat.position.len() - 1;
                     chat.position[index] += 1;
+                },
+                Some(_) => {
+                    break;
+                }
+            }
         }
         return true;
     }
 
+    // Note that this (intentionally) may result in a pointer that's out of bounds.
     fn pointer_lookahead(&self, position: &mut Vec<usize>) {
         let index = position.len() - 1;
         position[index] += 1;
@@ -152,7 +163,10 @@ impl ChatDB {
         let mut pointer: Option<&Value> = Some(&self.0[id]);
         for index in position {
             if let Some(Value::Sequence(seq)) = self.0.get(id) {
-                pointer = Some(&seq[*index]);
+                // TODO: handle mappings
+                if let Some(value) = seq.get(*index) {
+                    pointer = Some(value);
+                }
             } else {
                 return None;
             }
@@ -166,7 +180,6 @@ impl ChatDB {
         if conv.is_none() {
             return;
         }
-        let conv = conv.unwrap();
 
         // Handle next entry in the chat list
         let mut is_skipping_through = false;
@@ -178,7 +191,7 @@ impl ChatDB {
         else if let Some(_) = self.search_choice(self.at(chat.id, &chat.position)) {
             is_skipping_through = true;
         }
-        else if let Some(message) = conv[chat.position[0]].as_str() {
+        else if let Some(Value::String(message)) = self.at(chat.id, &chat.position) {
             event.send(ChatEvent::SpawnMessage(message.to_string()));
         }
 
@@ -191,7 +204,9 @@ impl ChatDB {
                 break;
             }
             if let Some(choice) = self.search_choice(self.at(chat.id, &pos)) {
-                event.send(ChatEvent::SpawnChoice(choice, key));
+                let mut goto: Vec<usize> = pos.clone();
+                goto.push(0);
+                event.send(ChatEvent::SpawnChoice(choice, key, goto));
                 key += 1;
             }
             else {
@@ -221,7 +236,7 @@ pub enum ChatEvent {
     DespawnAllChoices,
     DespawnAllChats,
     SpawnMessage(String),
-    SpawnChoice(String, usize),
+    SpawnChoice(String, usize, ChatPos),
     //Script(String, String, String),
 }
 
@@ -313,12 +328,13 @@ pub fn handle_chat_events(
                 log.chat(message.into(), chat.talker.name.clone().unwrap_or(NAME_FALLBACK.to_string()));
                 chat.timer = now + ((message.len() as f32).max(CHAT_SPEED_MIN_LEN) * TALKER_SPEED_FACTOR * chat.talker.talking_speed / settings.chat_speed) as f64;
             }
-            ChatEvent::SpawnChoice(replytext, key) => {
+            ChatEvent::SpawnChoice(replytext, key, goto) => {
                 commands.spawn((
                     world::DespawnOnPlayerDeath,
                     Choice {
                         text: replytext.into(),
                         key: *key,
+                        goto: goto.clone(),
                     }
                 ));
                 chat.timer = now + CHOICE_TIMER / settings.chat_speed as f64;
@@ -331,20 +347,22 @@ fn handle_reply_keys(
     keyboard_input: Res<ButtonInput<KeyCode>>,
     settings: ResMut<settings::Settings>,
     q_choices: Query<&Choice>,
+    mut q_chats: Query<&mut Chat>,
     //mut evwriter_sendmsg: EventWriter<SendMessageEvent>,
     mut evwriter_sfx: EventWriter<audio::PlaySfxEvent>,
+    time: Res<Time>,
 ) {
     let mut selected_choice: usize = 0;
     'outer: for key in settings.get_reply_keys() {
         if keyboard_input.just_pressed(key) {
             for choice in &q_choices {
                 if choice.key == selected_choice {
+                    if let Ok(mut chat) = q_chats.get_single_mut() {
                         evwriter_sfx.send(audio::PlaySfxEvent(audio::Sfx::Click));
-//                    evwriter_sendmsg.send(SendMessageEvent {
-//                        conv_id: choice.conv_id.clone(),
-//                        conv_label: choice.conv_label.clone(),
-//                        text: choice.text.clone(),
-//                    });
+                        chat.timer = time.elapsed_seconds_f64();
+                        chat.position = choice.goto.clone();
+                        info!("GOTO {:?}", &chat.position);
+                    }
                     break 'outer;
                 }
             }