[Threshold]

pawn Код:

stock IsObjectInArea(objectid, Float:minx, Float:maxx, Float:miny, Float:maxy)
{
    new Float: X, Float: Y, Float: Z;
    GetObjectPos(objectid, X, Y, Z);
    new Float:valmaxx, Float:valminx = (minx > maxx) ? (maxx, valmaxx = minx) : (minx, valmaxx = maxx);
    new Float:valmaxy, Float:valminy = (miny > maxy) ? (maxy, valmaxy = miny) : (miny, valmaxy = maxy);
    //Small debug, just in case they happen to enter the wrong value.
    if(X >= valminx && X <= valmaxx && Y >= valminy && Y <= valmaxy) return 1;
    return 0;
}