// simulation.cc        for traffic simulation

#include "simulation.h"

static int next_id = 0;

void initialize(void)
{
    INITIALIZE();
}

int unique_id(void)
{
    next_id++;
    return next_id;
}

void get_offsets(direction moving,
		   float &x_offset,
		   float &y_offset)
{
    switch( moving )
    {
      case north:
	x_offset = 0.0;
	y_offset = 1.0;
	break;
      case  east:
	x_offset = 1.0;
	y_offset = 0.0;
	break;
      case south:
	x_offset = 0.0;
	y_offset = -1.0;
	break;
      case west:
	x_offset = -1.0;
	y_offset = 0.0;
        break;
      default:
	x_offset = 0.0;
	y_offset = 0.0;
    }
}
// end simulation.cc