Colony

#ifndef _INTERSECTION_DATABASE_

#define _INTERSECTION_DATABASE_

#define NUM_FEATURES 5

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

 * Intersection Information: 5-bit Integer

 *         3 bits of intersection type

 *         2 bits of entry information

 *

 * Also contains a "feature id": 4 bits in positions 13,14,15,16

 * 

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

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

 *  Feature TYPES:

 *

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

#define INTERSECTION_NODE        (0 << 12)

#define ROAD_NODE                (1 << 12)

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

 *  Intersection TYPES:

 *

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

/* Old definitions, delete when possible

#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)

#define ROAD                        (5 << 2) /placeholder for all roads atm, until we come up with a better solution */

#define SINGLE      0

#define ON_RAMP     1

#define OFF_RAMP    2

#define DOUBLE_C    3

#define DOUBLE_T    4

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

 *  Turn TYPES:

 *

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

#define ISTRAIGHT        0

#define ILEFT                1

#define IRIGHT                2

#define IUTURN                3

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

 *  Road TYPES:

 *

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

#define ROAD_DOUBLE        0

#define ROAD_SINGLE        1

#define HIGHWAY                2

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

 *  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[NUM_FEATURES];

void initializeData();

void insertNode(int key, int featureid, int node_type, int node_info);

// Functions to get data from the Database:

int getIntersectType(int key);

int getTurningIntersect(int key);

int getIntersectPos(int key);

int getFeatureId(int key);

int getRoadType(int key);

int getRoadInfo(int key);

#endif