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Lemmings 2 style and\or level file limitations

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kaimitai:
Greetings,
A couple of weeks ago I started working on a modding tool for Lemmings 2 - a combined level and style file editor. While I have made a lot of progress with my code interfaces, the game seems to enforce some limitations that I have not seen documented anywhere. ??? Attached is an edited style and level file, which works for a while - but at some point it either:

soft locks the game
or
exits the level counting all lemmings as dead.

The edits to the style file seem fairly safe to me; I just injected some custom tile graphics (and corresponding previews), presets and changed the tiles used by some object tilemap animations.

I was hoping someone with more experience of the game and l2 tech could help point me in which direction to look to find out which limitations I am exceeding.

The files replace polar level 1, and I ran the game using the l2-fix executable.

Dullstar:
I'd recommend testing the edits in isolation to see if you can figure out exactly which edit is causing it. Once you've identified which edit(s) cause the issue, it will give you some information about where to look.

kaimitai:
Thanks for the reply. While you are right, I have very limited free time for that kind of incremental investigation, so I just threw it out there in case the community had some knowledge to share. The video in your signature, for example, shows one unexpected quirk of the engine. :)

Most likely I will release the editor at some point, once I build a more usable gui on top of my code, and let interested parties work with me cataloguing what the actual game will allow and not.

namida:
It is possible that it's not a single factor's presence, but rather the overall quantity of something - in particular something that comes to mind here is the "face limit" in Lemmings 3D, where if there are too many block faces present in the level glitches start occurring (but no specific single element triggers this, it's the overall quantity).

To be clear I have no experience with L2 myself (only with L1 and L3D), this is just a general statement.

Dullstar:
Namida raises a good point, but testing each portion in isolation would of course give information if none of the edits alone cause the issue.

If you at least have time to give isolated versions of each edit, I have time to test them.

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