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  Stuck with NPC control  (Read 803 times)
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Offline TLE

Senior Newbie





« Posted 2007-06-18 03:27:35 »

Have a huge map which I want to populate various areas with monsters.  Problem is, I can't figure out where to put the control for the monsters.  Where do I have them move and such?  I was thinking just having them move when they are on screen, but already thinking of a lot of problems that will come up with that.  If I have them all move all the time, seems like that'll slow things down a good bit.  Ideas?
Offline fletchergames

Senior Devvie





« Reply #1 - Posted 2007-06-18 16:28:12 »

Have them move on an area several screens wide around the player.  For instance, if your screen is 20x15 tiles (assuming it's even tile-based), have the npcs within 60x45 tiles of the player move.  That shouldn't be too much of a problem, especially if you put any computationally expensive ai in a separate thread.

That should be fine for most non-simulation games.  If you have something like a script that causes some npcs to walk to a specific location on the map, you might want to retain a list of npcs that have to be updated whether they're nearby or not.
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