positioning_system.py

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import Crossfire
 
world_prefix = '/world/world_'
world_len = len( world_prefix ) + len( 'xxx_xxx' )
world_sep = '_'
world_map_size = 50
 
Crossfire.SetReturnValue( 1 )
 
player = Crossfire.WhoIsActivator()
gps = Crossfire.WhoAmI()
map = player.Map
 
if ( map == 0 ):
        player.Write( 'You\'re lost in a vacuum!')
else:
        path = map.Path
        if ( path.find( world_prefix ) != 0 ) or ( len( path ) != world_len ):
                player.Write( 'You can\'t position yourself here.' )
        else:
                marked = player.MarkedItem
 
                if ( marked != gps ) and ( gps.Food == 0 ):
                        player.Write( 'You must fix the origin of the positioning system first!' )
                else:
                        coord = path.split( world_sep )
                        if ( len( coord ) != 3 ):
                                player.Write( 'Strange place, you can\'t position yourself...' )
                        else:
                                map_x = int( coord[ 1 ] ) - 99
                                map_y = int( coord[ 2 ] ) - 99
                                x = map_x * world_map_size + player.X
                                y = map_y * world_map_size + player.Y
 
                                if ( marked == gps ):
                                        gps.HP=x
                                        gps.SP=y
                                        gps.Food=1
                                        player.Write( 'You reset the origin of the system.' )
                                else:
                                        x = x - gps.HP
                                        y = y - gps.SP
                                        player.Write( 'You are at %s:%s.'%( x, y ))