Steel keeps changing sizes

[Luis]

I know I seem like I'm asking a lot, but it's just one glitch after another with Lemmix. I want to make the blue indestructible area to be near the size as the steel, which is 15 height and 15 width. But when I put the it on the steel and save the level and load it, the blue steel with change to 12 height and 12 width and move a little to the left, by itself. In the picture, the blue steel is 20 height and 20 width. For some reason, 20 and higher is not affected by the size change, but it will still move to a different spot.

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[ccexplore]

The level file format of the original game imposes some unfortunate hard limits on how steel can be sized and positioned.  Specifically both the position (ie. x and y coordinates) as well as the size (length and width) must all be multiples of 4.  Since I think the limitation is built into the level file format (ie. how the values are stored in the file), there is no way around it even for Lemmix.

You'll have to live with either some steel areas not lining up exactly to the desired area, or adjust the terrain to make it match with the constraints on the steel area's position and size.

You can run the "Validate Level" option in the "Tools" menu in Lemmix.  It will flag all issues that may result in the level loading and/or playing differently ("differently" may include something like crashing the game) on the actual PC DOS Lemmings game.  Lemmix itself is probably a little more tolerant than the actual game, but it's still good to make sure your level is conformant so that it also works for people who chooses not to use Lemmix to play the levels.

[Luis]

I'll set it to 16 then.