dis=point_distance(x,y,obj_player.x,obj_player.y);
dir=point_direction(x,y,obj_player.x,obj_player.y);

if dis<300  
{
     if dis<75  
     && !collision_line(x,y,obj_player.x,obj_player.y,obj_wall,false,true)
     {
         if alarm[0]=-1
         {
             nn=instance_create(x, y, obj_bulletenemypistol  );
             nn.speed=8;
             nn.direction=dir;
             alarm[0]=20;
         }
     }
     else
         mp_potential_step(obj_player.x,obj_player.y,2,0);
}