Few fixes for custom music addons.

Toby Doom Launcher.py

@@ -1526,8 +1526,31 @@ class DoomLauncher(QMainWindow):
                     if fullPath.exists():
                         gameFiles.append(str(fullPath))
 
-            # Add optional files last (only first one found, for priority)
+            # Add music files with custom music mod priority
-            for optFile in config.get('optional_files', []):
+            optional_files = config.get('optional_files', [])
+            music_added = False
+            
+            # Check if any optional files are music-related (contain metal/music keywords)
+            has_music_optionals = any('metal' in opt.lower() or 'music' in opt.lower() for opt in optional_files)
+            
+            if has_music_optionals:
+                # First try to find custom music mod (highest priority)
+                customMusicMod = self.find_custom_music_mod()
+                if customMusicMod:
+                    gameFiles.append(str(customMusicMod))
+                    music_added = True
+                else:
+                    # Fall back to standard optional files priority
+                    for optFile in optional_files:
+                        optPath = self.gamePath / optFile
+                        if optPath.exists():
+                            gameFiles.append(str(optPath))
+                            music_added = True
+                            break
+            
+            # Add any remaining non-music optional files
+            if not music_added:
+                for optFile in optional_files:
                     optPath = self.gamePath / optFile
                     if optPath.exists():
                         gameFiles.append(str(optPath))
@@ -2610,8 +2633,31 @@ class DoomLauncher(QMainWindow):
                     if fullPath.exists():
                         gameFiles.append(str(fullPath))
 
-            # Add optional files last (only first one found, for priority)
+            # Add music files with custom music mod priority
-            for optFile in config.get('optional_files', []):
+            optional_files = config.get('optional_files', [])
+            music_added = False
+            
+            # Check if any optional files are music-related (contain metal/music keywords)
+            has_music_optionals = any('metal' in opt.lower() or 'music' in opt.lower() for opt in optional_files)
+            
+            if has_music_optionals:
+                # First try to find custom music mod (highest priority)
+                customMusicMod = self.find_custom_music_mod()
+                if customMusicMod:
+                    gameFiles.append(str(customMusicMod))
+                    music_added = True
+                else:
+                    # Fall back to standard optional files priority
+                    for optFile in optional_files:
+                        optPath = self.gamePath / optFile
+                        if optPath.exists():
+                            gameFiles.append(str(optPath))
+                            music_added = True
+                            break
+            
+            # Add any remaining non-music optional files
+            if not music_added:
+                for optFile in optional_files:
                     optPath = self.gamePath / optFile
                     if optPath.exists():
                         gameFiles.append(str(optPath))