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[JasonPickering]

is there anyway to have gamemaker check to see what note a Midi File is playing. I know that Midi files use numerical code to denote each note, but is there anyway I could write code to detect at each step if a new note is played, and what that new note is?

[Core Xii]

Not in Game Maker, no.

[Matt Thorson]

Well, you probably could open it just like any other file and interpret it yourself.  Just Google "MIDI file format" and I'm sure you'll be able to figure out how exactly they store the audio info.

That's pretty unrealistic a task to do in GM though (to interpret and play a MIDI with GML).

You could go into the MIDI file, put all the notes that play at each beat into a list, then play it regularly and use that list to do whatever action you want to do.  The only problem with this is that if anything happens to desync the MIDI from the list (ex: the player drags the titlebar to move the window, freezing the gameplay but continuing the music) you're screwed.

[JasonPickering]

thanks guys. I was wondering if it would be possible to create enemies in a schmup according to the music played. I thought it would be cool to fly a space ship while shooting enemies jamming out to David Bowie. i figured you could just randomly load files dropped into a folder, and then depending on pitch or the note code, create enemies. I think I will still look into this taking something and then extrapolating a procedurally generated level from that. perhaps a picture, or a text file.

[pgil]

I think BASS can give you the instruments that are playing. It only supports modules, but you can convert MIDI files with something like Modplug tracker. Search for GM BASS on the game maker forums.