> You really didn't have to go through all that trouble just for a single level
> set! (four hours! Shocked )
I think it's well worth it, as Snake Bite is without any doubt one of the best level sets for R'n'D! Even though this bug did not result in unsolvable levels, it caused one major feature (the snake being killed by a closing door) to not work correctly anymore. I'm happy that this is fixed now, and Snake Bite plays as it was intended again! :-)
The bug happens when replacing an element (caused by a CE change condition) with another element that is considered as "the player" (which is also true for element "sokoban field with player). It then checks if the old element was walkable, and, if so, places the player onto this old element instead of replacing it with the player. Of course, if we have the special case of "sokoban field with player", the old element has to be replaced even if it is walkable, which was not the case with 3.1.2 (but is not with 3.2.0). In Snake Bite, this apparently (I haven't analysed it to the end) causes the (walkable) snake body element to be replaced with the Sokoban field with the player, which seems to stop the player from being killed. If the "sokoban field with player" is replaced by "player 1" after loading the level, the player is placed on the snake body and immediately gets killed after it (don't know exactly why, but this was also the old behaviour in 3.1.2).
The game engine is full of such oddities, and lots of compatibility code to prevent many older levels from breaking with the latest engine version... :-/
I actually suggested "CE notes" (or "editable CE descriptions") in this topic: viewtopic.php?t=549 . But my english failed me and, as it seems, I didn't successfully explain what exactly do I mean.
Really, I didn't.
