Thank you, fixed gamedata issue.
Code:
1.5 (14-May-2020)
- Added better error log message when gamedata file is missing.
- Fixed gamedata for HL2:DM. Thanks to "CliptonHeist" for reporting and "asherkin" for explaining engine != game.
- (Info: the gamedata "engine" key for HL2:DM uses "hl2dm" (the engine name) while the "game" part uses "hl2mp" (game name) e.g. for offsets).