Rpg Maker Developers Group

I have a parallel process to hide a tile if the player happens to explore a certain map too early. After the player has gone through this part of the game, it goes to a blank event page permanently. But until that part of the game, I do want the process to run every time they enter the map. However, since it's specific to this map, I don't want the process to be running foreeeever while the player isn't even on the map.


The process checks for game progress, changes the graphic to a normal wall tile if it needs to be hidden, and then exits event processing. I didn't ask it to "erase event" because I don't want it to erase the event's graphic. But does "exit event processing" save me from having my parallel process run forever and take up memory, or do I have to "erase event" in order to keep it from doing that? 


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This is what I have so far.


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I hid the ladder, because there be cut scenes on them thar ledges. 


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And here's after the plot lets us go down there.


Thanks for the help. I'm only just starting to understand erase event vs. exit event processing, and while I got the basic difference down, I'm still working out when it's okay to use which...