woodsxcs.h

XCS is a new algorithm for artificial intelligent

/*
/       WoodsEnvironment for XCS
/	------------------------------------
/	a Learning Classifier System based on accuracy
/
/     by Martin Butz
/     University of Wuerzburg / University of Illinois at Urbana/Champaign
/     [e-mail]
/     Last modified: 10-19-99
/
/     The header of the woods environment coded binary
/ the LENGTH_OF_ONE_ATTRIBUTE makri specifies with how many bits one attribute in the environment is codede
*/

#define LENGTH_OF_ONE_ATTRIBUTE 3
#define CONDITION_LENGTH 8*LENGTH_OF_ONE_ATTRIBUTE+RANDOMBIT_EXISTS
#define ACTION_LENGTH 3
#define NUMBER_OF_ACTIONS 8

#define PAYMENT_RANGE 1000

#define IS_MULTI_STEP 1 /* Boolean to check if this is a multi-step environment */

#define FREE0 '0'
#define FREE1 '0'
#define FREE2 '0'

#define FOODF0 '1'
#define FOODF1 '1'
#define FOODF2 '0'
#define FOODG0 '1'
#define FOODG1 '1'
#define FOODG2 '1'

#define OBSTACLEO0 '0'
#define OBSTACLEO1 '1'
#define OBSTACLEO2 '0'
#define OBSTACLEQ0 '0'
#define OBSTACLEQ1 '1'
#define OBSTACLEQ2 '1'

#define ENEMY0 '1'
#define ENEMY1 '0'
#define ENEMY2 '1'

#define ENEMY_EXISTS 0
#define RANDOMBIT_EXISTS 0
#define SLIPPROB 0.0
#define RESET_ON_REWARD 1

#define frand() ((double) rand() / (RAND_MAX+1.0)) 

/* constructor and destructor */
int initEnv(FILE *env_file);
void freeEnv();

/* action related stuff */
int doAction(char *state,char *action,int *reset);
int moveObject(char *action,int *x,int *y);

/* Movements in all eight directions */
int north(int *x,int *y);
int south(int *x,int *y);
int west(int *x,int *y);
int east(int *x,int *y);
int northeast(int *x,int *y);
int southeast(int *x,int *y);
int southwest(int *x,int *y);
int northwest(int *x,int *y);

/* get the reward and set the new state */
double checkReward(int x,int y);
void setState(char *state);

/* a reset has to be called if reward was received */
void resetState(char *state);
void setStartPos();
void setFreeRandPos(int *x,int *y);

/* an 'enemy'(demon) in the environment */
int moveEnemy();
void hideEnemy();
void showEnemy();

/* get properties for testing purposes */
int getActions(int nr,char *action);
int getEnvXSize();
int getEnvYSize();
int getXPos();
int getYPos();
int setPos(int x,int y,char *state);

char getRandomChar();