refactor CS+ soundtrack loading (#79)

src/engine_constants/mod.rs

@@ -203,6 +203,13 @@ pub struct AnimatedFace {
     pub anim_frames: Vec<(u16, u16)>,
 }
 
+#[derive(Debug, Clone)]
+pub struct ExtraSoundtrack {
+    pub name: String,
+    pub path: String,
+    pub available: bool,
+}
+
 #[derive(Debug, Copy, Clone)]
 pub struct TextScriptConsts {
     pub encoding: TextScriptEncoding,
@@ -298,7 +305,7 @@ pub struct EngineConstants {
     pub font_path: String,
     pub font_scale: f32,
     pub font_space_offset: f32,
-    pub soundtracks: HashMap<String, String>,
+    pub soundtracks: Vec<ExtraSoundtrack>,
     pub music_table: Vec<String>,
     pub organya_paths: Vec<String>,
     pub credit_illustration_paths: Vec<String>,
@@ -1552,7 +1559,12 @@ impl EngineConstants {
             font_path: "csfont.fnt".to_owned(),
             font_scale: 1.0,
             font_space_offset: 0.0,
-            soundtracks: HashMap::new(),
+            soundtracks: vec![
+                ExtraSoundtrack { name: "Remastered".to_owned(), path: "/base/Ogg11/".to_owned(), available: false },
+                ExtraSoundtrack { name: "New".to_owned(), path: "/base/Ogg/".to_owned(), available: false },
+                ExtraSoundtrack { name: "Famitracks".to_owned(), path: "/base/ogg17/".to_owned(), available: false },
+                ExtraSoundtrack { name: "Ridiculon".to_owned(), path: "/base/ogg_ridic/".to_owned(), available: false },
+            ],
             music_table: vec![
                 "xxxx".to_owned(),
                 "wanpaku".to_owned(),
@@ -1639,8 +1651,6 @@ impl EngineConstants {
 
         self.font_path = "csfont.fnt".to_owned();
         self.font_scale = 0.5;
-        self.soundtracks.insert("Remastered".to_owned(), "/base/Ogg11/".to_owned());
-        self.soundtracks.insert("New".to_owned(), "/base/Ogg/".to_owned());
 
         let typewriter_sample = PixToneParameters {
             // fx2 (CS+)
@@ -1688,8 +1698,6 @@ impl EngineConstants {
         self.textscript.text_speed_normal = 1;
         self.textscript.text_speed_fast = 0;
         self.textscript.fade_ticks = 21;
-        self.soundtracks.insert("Famitracks".to_owned(), "/base/ogg17/".to_owned());
-        self.soundtracks.insert("Ridiculon".to_owned(), "/base/ogg_ridic/".to_owned());
         self.game.tile_offset_x = 3;
         self.game.new_game_player_pos = (13, 8);
     }

src/menu/settings_menu.rs

@@ -109,7 +109,8 @@ impl SettingsMenu {
         self.sound.push_entry(MenuEntry::Active(format!("Soundtrack: {}", state.settings.soundtrack)));
         self.sound.push_entry(MenuEntry::Active("< Back".to_owned()));
 
-        let mut soundtrack_entries = state.constants.soundtracks.keys().map(|s| s.to_owned()).collect_vec();
+        let mut soundtrack_entries =
+            state.constants.soundtracks.iter().filter(|s| s.available).map(|s| s.name.to_owned()).collect_vec();
         soundtrack_entries.push("Organya".to_owned());
 
         if let Ok(dir) = filesystem::read_dir(ctx, "/Soundtracks/") {

src/scene/jukebox_scene.rs

@@ -68,7 +68,8 @@ impl Scene for JukeboxScene {
 
         self.song_list = state.constants.music_table.iter().filter(|song| !song.contains("fanfale")).cloned().collect();
 
-        let mut soundtrack_entries = state.constants.soundtracks.keys().map(|s| s.to_owned()).collect_vec();
+        let mut soundtrack_entries =
+            state.constants.soundtracks.iter().filter(|s| s.available).map(|s| s.name.to_owned()).collect_vec();
         soundtrack_entries.push("Organya".to_owned());
 
         if let Ok(dir) = filesystem::read_dir(ctx, "/Soundtracks/") {

src/shared_game_state.rs

@@ -233,6 +233,13 @@ impl SharedGameState {
             info!("NXEngine-evo data files detected.");
         }
 
+        for soundtrack in constants.soundtracks.iter_mut() {
+            if filesystem::exists(ctx, &soundtrack.path) {
+                info!("Enabling soundtrack {} from {}.", soundtrack.name, soundtrack.path);
+                soundtrack.available = true;
+            }
+        }
+
         let season = Season::current();
         constants.rebuild_path_list(None, season, &settings);
 

src/sound/mod.rs

@@ -200,8 +200,10 @@ impl SoundManager {
 
             paths.insert(0, "/Soundtracks/".to_owned() + &settings.soundtrack + "/");
 
-            if let Some(soundtrack) = constants.soundtracks.get(&settings.soundtrack) {
-                paths.insert(0, soundtrack.clone());
+            if let Some(soundtrack) =
+                constants.soundtracks.iter().find(|s| s.available && s.name == settings.soundtrack)
+            {
+                paths.insert(0, soundtrack.path.clone());
             }
 
             let songs_paths = paths.iter().map(|prefix| {