WIP choice spawning

src/chat.rs

@@ -9,11 +9,30 @@ pub const CHATS: &[&str] = &[
 ];
 
 pub const TOKEN_CHAT: &str = "chat";
+pub const TOKEN_SYSTEM: &str = "system";
+pub const TOKEN_WARN: &str = "warn";
+pub const TOKEN_SET: &str = "set";
+pub const TOKEN_IF: &str = "if";
+pub const TOKEN_GOTO: &str = "goto";
+pub const TOKEN_LABEL: &str = "label";
+pub const TOKEN_SCRIPT: &str = "script";
+//pub const TOKEN_TIMEOUT: &str = "TIMEOUT";
 pub const LETTERS_PER_SECOND: f32 = 17.0;
 pub const TALKER_SPEED_FACTOR: f32 = settings::DEFAULT_CHAT_SPEED / LETTERS_PER_SECOND;
 pub const CHAT_SPEED_MIN_LEN: f32 = 40.0;
 pub const NAME_FALLBACK: &str = "Unknown";
 
+pub const NON_CHOICE_TOKENS: &[&str] = &[
+    TOKEN_CHAT,
+    TOKEN_SYSTEM,
+    TOKEN_WARN,
+    TOKEN_SET,
+    TOKEN_IF,
+    TOKEN_GOTO,
+    TOKEN_LABEL,
+    TOKEN_SCRIPT,
+];
+
 pub struct ChatPlugin;
 impl Plugin for ChatPlugin {
     fn build(&self, app: &mut App) {
@@ -70,6 +89,21 @@ impl ChatDB {
         return Err(format!("No chat with the conversation ID `{id}` was found."));
     }
 
+    fn search_choice(&self, yaml: &Yaml) -> Option<String> {
+        let non_choice_tokens = NON_CHOICE_TOKENS.to_vec();
+        if let Some(hash) = yaml.as_hash() {
+            for key in hash.keys() {
+                if let Yaml::String(key) = key {
+                    if non_choice_tokens.contains(&key.as_str()) {
+                        continue;
+                    }
+                    return Some(key.into());
+                }
+            }
+        }
+        return None;
+    }
+
     pub fn advance_chat(&self, chat: &mut Chat, event: &mut EventWriter<ChatEvent>) {
         event.send(ChatEvent::DespawnAllChoices);
         let conv = &self.0[chat.id].as_vec();
@@ -77,15 +111,36 @@ impl ChatDB {
             return;
         }
         let conv = conv.unwrap();
+
+        // Handle next entry in the chat list
+        let mut is_skipping_through = false;
         chat.position += 1;
         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() {
+        else if let Some(_) = self.search_choice(&conv[chat.position]) {
+            is_skipping_through = true;
+        }
+        else if let Some(message) = conv[chat.position].as_str() {
             event.send(ChatEvent::DisplayMessage(message.to_string()));
         }
+
+        // Check if the immediately following entries are choices
+        let mut pos = chat.position + 1;
+        loop {
+            if is_skipping_through || pos >= conv.len() {
+                break;
+            }
+            if let Some(choice) = self.search_choice(&conv[pos]) {
+                event.send(ChatEvent::DisplayMessage(choice));
+            }
+            else {
+                break;
+            }
+            pos += 1;
+        }
     }
 }
 

src/chats/serenity.yaml

@@ -41,11 +41,10 @@
   - Whatever... I didn't ask for this.:
     - goto: didntask
   - TIMEOUT:
-    - How are you feeling?
 - TIMEOUT:
-  - How are you feeling?
 
 
+- How are you feeling?
 - label: howru
 - I feel quite cozy, this space suit feels like a second skin.:
   - Hah, it does, doesn't it?

src/chats/startrans.yaml

@@ -9,7 +9,7 @@
 - chat: ClippyTransSerenity
 - Welcome at StarTrans Cargo Services!  You have reached Serenity Station.
 - "Ready for a trip?  Available bus stops: Oscillation Station, Metis Prime Station"
-- set busstop: serenity
+- set: busstop serenity
 - label: startransbusstop
 - goto: EXIT
 - label: interesting
@@ -23,7 +23,7 @@
 - chat: ClippyTransMetis
 - Welcome at StarTrans Cargo Services!  You have reached Metis Prime Station.
 - "Ready for a trip?  Available bus stops: Oscillation Station, Serenity Station"
-- set busstop: metis
+- set: busstop metis
 - label: startransbusstop
 - goto: EXIT
 - label: interesting
@@ -38,7 +38,7 @@
 - chat: ClippyTransOscillation
 - Welcome at StarTrans Cargo Services!  You have reached Oscillation Station.
 - "Ready for a trip?  Available bus stops: Serenity Station, Metis Prime Station"
-- set busstop: oscillation
+- set: busstop oscillation
 - label: startransbusstop
 - goto: EXIT
 - label: interesting