#include maps\mp\zombies\_zm_perk_random;
#include common_scripts\utility;
#include maps\mp\_utility;
#include maps\mp\zombies\_zm_utility;
#include maps\mp\zombies\_zm_score;
#include maps\mp\zombies\_zm_stats;
#include maps\mp\animscripts\zm_utility;
#include maps\mp\zombies\_zm_unitrigger;
#include maps\mp\zombies\_zm_audio;
#include maps\mp\zombies\_zm_perks;

machine_selector()
{
    while ( true )
    {
        level waittill( "random_perk_moving" );

        machines = getentarray( "random_perk_machine", "targetname" );

        if ( machines.size == 1 )
        {
            new_machine = machines[0];
            new_machine thread machine_think();
            continue;
        }

        do
            new_machine = machines[randomint( machines.size )];
        while ( new_machine == level.random_perk_start_machine );

        level.random_perk_start_machine = new_machine;
        new_machine thread machine_think();
    }
}

trigger_visible_to_player( player )
{
    self setinvisibletoplayer( player );
    visible = 1;

    if ( isdefined( self.stub.trigger_target.machine_user ) )
    {
        if ( player != self.stub.trigger_target.machine_user )
            visible = 0;
    }
    else if ( !player can_buy_perk() )
        visible = 0;

    if ( !visible )
        return false;

    self setvisibletoplayer( player );
    return true;
}

can_buy_perk()
{
    if ( isdefined( self.is_drinking ) && self.is_drinking > 0 )
        return false;

    current_weapon = self getcurrentweapon();

    if ( is_equipment_that_blocks_purchase( current_weapon ) )
        return false;

    if ( self in_revive_trigger() )
        return false;

    if ( current_weapon == "none" )
        return false;

    return true;
}