How to verify if the player is close the NPC

[MojoMojo]

There are multiple NPCs on random maps that will call this function.

And i don't know how to make this function!

Im trying to use getmapxy but without sucess . . .

It should works like this:

Whenever the player talk to the NPC, it verify if the player is in a 3x3 area closer of it, if the player does, the NPC start to talk to the player, if don't, a "You not close enought." message will appears.

Edited June 4, 2012 by MojoMojo

[Emistry]

*distance(<x0>,<y0>,<x1>,<y1>)

Returns distance between 2 points.

Example:

set .@i, distance(100,200,101,202);
if( .@i > 10 ){
   npctalk "Come Closer.";
}
end;

[MojoMojo]

thank you!