Support for custom music mods. The file name must contain the words in the correct order with correct upper case letters: Custom Music Mod and can optionally include spaces, -, or _.

Toby Doom Launcher.py

@@ -2081,6 +2081,64 @@ class DoomLauncher(QMainWindow):
 
         return shutil.which("gzdoom")
 
+    def find_custom_music_mod(self):
+        """Find custom music mod files with flexible pattern matching.
+        
+        Looks for files containing "Custom Music Mod" in sequence anywhere in the filename.
+        Supports variations like:
+        - Custom Music Mod
+        - Custom_Music_Mod  
+        - CustomMusicMod
+        
+        Returns the first matching file found (.pk3 files prioritized), or None if no match exists.
+        """
+        if not self.gamePath.exists():
+            return None
+        
+        # Define the sequence patterns to look for (case-insensitive)
+        sequence_patterns = [
+            ["custom", "music", "mod"],  # spaces or any separators
+            ["custom_music_mod"],        # underscores as single token
+            ["custommusicmod"]           # no separators
+        ]
+        
+        # Check for .pk3 files first (higher priority), then .wad
+        for extension in [".pk3", ".wad"]:
+            for file_path in self.gamePath.iterdir():
+                if file_path.is_file() and file_path.suffix.lower() == extension:
+                    filename_lower = file_path.name.lower()
+                    
+                    # Check each sequence pattern
+                    for pattern_sequence in sequence_patterns:
+                        if self._contains_sequence(filename_lower, pattern_sequence):
+                            return file_path
+        
+        return None
+    
+    def _contains_sequence(self, text, sequence):
+        """Check if text contains all words in sequence in order.
+        
+        Args:
+            text: The text to search in (already lowercase)
+            sequence: List of words that must appear in order
+            
+        Returns:
+            True if all words in sequence are found in order, False otherwise
+        """
+        if len(sequence) == 1:
+            # Single token match (like "custommusicmod")
+            return sequence[0] in text
+        
+        # Multi-word sequence match
+        current_pos = 0
+        for word in sequence:
+            pos = text.find(word, current_pos)
+            if pos == -1:
+                return False
+            current_pos = pos + len(word)
+        
+        return True
+
     def get_addon_files(self, game_type: str = "DOOM", use_funny_pack: bool = False) -> List[str]:
         """Get all addon PK3 files for specified game type
 
@@ -2204,6 +2262,12 @@ class DoomLauncher(QMainWindow):
 
         # Add music files at the end for Doom games
         if gameType == "DOOM" and not isFunnyPack:
+            # First check for custom music mod patterns (highest priority)
+            customMusicMod = self.find_custom_music_mod()
+            if customMusicMod:
+                baseFiles.append(str(customMusicMod))
+            else:
+                # Fall back to standard metal mod detection
                 metalV10 = self.gamePath / "DOOM Metal X IDKFA Soundtrack.pk3"
                 metalV7 = self.gamePath / "DoomMetalVol7.wad"
                 metalV6 = self.gamePath / "DoomMetalVol6.wad"