Menu music added.

draugnorak.nvgt

@@ -1,5 +1,6 @@
 #include "sound_pool.nvgt"
 #include "virtual_dialogs.nvgt"
+#include "music.nvgt"
 
 // Audio
 // Increased pool size to 300 to prevent sound cutoffs and missing sounds
@@ -41,18 +42,79 @@ sound_pool p(300);
 #include "src/learn_sounds.nvgt"
 #include "src/bosses/adventure_system.nvgt"
 
+const string MAIN_MENU_MUSIC_TRACK = "sounds/menu/Draugnorak.ogg; loop; f=1";
+const int MAIN_MENU_MUSIC_FADE_IN_MS = 1;
+const int MAIN_MENU_MUSIC_FADE_OUT_MS = 800;
+music_manager mainMenuMusic;
+
+const int MAIN_MENU_NEW_GAME = 0;
+const int MAIN_MENU_LOAD_GAME = 1;
+const int MAIN_MENU_LEARN_SOUNDS = 2;
+const int MAIN_MENU_EXIT = 3;
+
+void start_main_menu_music() {
+    if (mainMenuMusic.resume(MAIN_MENU_MUSIC_FADE_IN_MS)) return;
+    if (mainMenuMusic.playing) {
+        mainMenuMusic.pause(0);
+        mainMenuMusic.resume(MAIN_MENU_MUSIC_FADE_IN_MS);
+        return;
+    }
+    mainMenuMusic.play(MAIN_MENU_MUSIC_TRACK);
+}
+
+void stop_main_menu_music() {
+    if (!mainMenuMusic.playing) return;
+    mainMenuMusic.pause(MAIN_MENU_MUSIC_FADE_OUT_MS);
+}
+
 int run_main_menu() {
+    start_main_menu_music();
     speak_with_history("Draugnorak. Main menu.", true);
 
     int selection = 0;
     string load_label = has_save_game() ? "Load Game" : "Load Game (no saves found)";
-    string[] options = {"New Game", load_label, "Learn Sounds", "Exit"};
-    int exit_index = options.length() - 1;
+    string[] options;
+    string[] entry_paths;
+    int[] entry_types; // 0 = action, 1 = document
+    int[] action_ids;
+
+    options.insert_last("New Game");
+    entry_paths.insert_last("");
+    entry_types.insert_last(0);
+    action_ids.insert_last(MAIN_MENU_NEW_GAME);
+
+    options.insert_last(load_label);
+    entry_paths.insert_last("");
+    entry_types.insert_last(0);
+    action_ids.insert_last(MAIN_MENU_LOAD_GAME);
+
+    options.insert_last("Learn Sounds");
+    entry_paths.insert_last("");
+    entry_types.insert_last(0);
+    action_ids.insert_last(MAIN_MENU_LEARN_SOUNDS);
+
+    string[] doc_labels;
+    string[] doc_paths;
+    int[] doc_types;
+    add_doc_entries(doc_labels, doc_paths, doc_types);
+    for (uint i = 0; i < doc_labels.length(); i++) {
+        options.insert_last(doc_labels[i]);
+        entry_paths.insert_last(doc_paths[i]);
+        entry_types.insert_last(1);
+        action_ids.insert_last(-1);
+    }
+
+    options.insert_last("Exit");
+    entry_paths.insert_last("");
+    entry_types.insert_last(0);
+    action_ids.insert_last(MAIN_MENU_EXIT);
+    int exit_action = MAIN_MENU_EXIT;
 
     speak_with_history(options[selection], true);
 
     while(true) {
         wait(5);
+        mainMenuMusic.loop();
 
         if (key_pressed(KEY_DOWN)) {
             play_menu_move_sound();
@@ -70,15 +132,24 @@ int run_main_menu() {
 
         if (key_pressed(KEY_RETURN)) {
             play_menu_select_sound();
-            return selection;
+            if (entry_types[selection] == 1) {
+                stop_main_menu_music();
+                text_reader_file(entry_paths[selection], options[selection], true);
+                start_main_menu_music();
+                speak_with_history(options[selection], true);
+                continue;
+            }
+            stop_main_menu_music();
+            return action_ids[selection];
         }
 
         if (key_pressed(KEY_ESCAPE)) {
-            return exit_index;
+            stop_main_menu_music();
+            return exit_action;
         }
     }
 
-    return exit_index;
+    return exit_action;
 }
 
 void run_game()
@@ -97,14 +168,14 @@ void run_game()
         while (!game_started) {
             int selection = run_main_menu();
 
-            if (selection == 0) {
+            if (selection == MAIN_MENU_NEW_GAME) {
                 if (!setup_new_character()) {
                     continue;
                 }
                 start_new_game();
                 speak_with_history("New game started.", true);
                 game_started = true;
-            } else if (selection == 1) {
+            } else if (selection == MAIN_MENU_LOAD_GAME) {
                 if (!has_save_game()) {
                     ui_info_box("Draugnorak", "Load Game", "No saves found.");
                     continue;
@@ -121,7 +192,7 @@ void run_game()
                     if (message == "") message = "Unable to load save.";
                     ui_info_box("Draugnorak", "Load Game", message);
                 }
-            } else if (selection == 2) {
+            } else if (selection == MAIN_MENU_LEARN_SOUNDS) {
                 run_learn_sounds_menu();
                 continue;
             } else {