Colony

#ifndef _INTERSECTION_DATABASE_

#define _INTERSECTION_DATABASE_

/****************************

 * Intersection Information: 5-bit Integer

 * 	3 bits of intersection type

 * 	2 bits of entry information

 * 

 ****************************/

 /********************************

 *  Intersection TYPES:

 *

 ********************************/

#define INTERSECTION_SINGLE 	(0 << 2)

#define INTERSECTION_ON_RAMP 	(1 << 2)

#define INTERSECTION_OFF_RAMP 	(2 << 2)

#define INTERSECTION_DOUBLE_C	(3 << 2)

#define INTERSECTION_DOUBLE_T	(4 << 2)

 /********************************

 *  Turn TYPES:

 *

 ********************************/

#define ISTRAIGHT	0

#define ILEFT		1

#define IRIGHT		2

#define IUTURN		3

/********************************

 *  Intersection ENTRYPOINTS:

 *

 ********************************/

//DOUBLE intersection (Cross Intersection) positions

//use T-Junction positions

//DOUBLE intersection (T-Junction) positions

/*

TLEFT=======TRIGHT

	||

	||

	||

	TMIDDLE

*/

#define TLEFT		0			

#define TRIGHT		1			

#define TMIDDLE		2

//SINGLE intersection positions

/*

	   /\

	  /||\

	   ||

SACROSS==========>

	   ||

	   ||

	   ||

	   SUP

*/

#define SACROSS		0

#define SUP		1

//ON_RAMP and OFF_RAMP intersection positions

/*

R_LEFT================R_RIGHT

	    ||	

	    ||

	    ||

	  R_RAMP

*/

#define R_LEFT		0

#define R_RIGHT		1

#define R_RAMP		2

// Global variable for the intersection database. You can change the size here. Size == number of intersections.

int IntersectData[1];

void insertIntersection(int barcode, int intersect_type, int intersect_position);

// Functions to get data from the Database:

int getIntersectType(int barcode);

int getIntersectPos(int barcode);

#endif

#include "intersectData.h"

/*

 * This function serves to make the code for the intersection database

 * as reuseable as possible. This part initializes the data and is the

 * only one that needs to be rewritten for each map. 

 *

 */

void initializeData(){

	//insert all intersections that are in the map.

	insertIntersection(0, INTERSECTION_DOUBLE_C, TMIDDLE);

	return;

}

/*

 * This function serves to make the code for the intersection database

 * as reuseable as possible. This part creates the implementation of the

 * database that can be copied over for all projects.  

 *

 */

// Does nothing if your indmaex is out of bounds.

void insertIntersection(int barcode, int intersect_type, int intersect_position){

	if (barcode < sizeof(IntersectData)/sizeof(int))

	  IntersectData[barcode] = intersect_type + intersect_position;

	return;

}

// Functions to get data from the Database:

int getIntersectType(int barcode){

	return (IntersectData[barcode])&28; // 28 == 11100;

}

int getIntersectPos(int barcode){

	return (IntersectData[barcode])&3;

}