[All] "Player bumps" activation bugged

[Jimmy]

If a player is standing on top of a linedef with a line special and the "player bumps" activation, and bumps into a different two-sided line 30 map units or less away, he triggers the special of the line he's standing on.

playerbumptest.wad

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Here's a quick test wad demonstrating it. The marble platform's sides have the ACS_Execute line special set to execute script 1 (which simply prints "test" to the screen). Hop on top of the platform and bump against the north wall (which is two-sided). You'll trigger the script despite having bumped into a wall that doesn't have a line special.

This bug is currently hindering progress on Blocks II, so if it could be fixed or addressed at all, I'm sure it would save a lot of hassle for us modders. Fixable?

[Graf Zahl]

It's sure not a trivial fix due to the way how player<->line collision is performed.

[randi]

Fixed.