server.h

数据挖掘中de一个算法 hamster的实例

/*----------------------------------------------------------------------
  File    : server.h
  Contents: hamster control, additional server functions
  Author  : Christian Borgelt
  History : 16.10.1997 file created
            18.10.1997 structure definition moved from hamster.h
            19.10.1997 field 'score' added to HAMSTER structure
            01.11.1997 parameters x and y removed from hms_create
            17.01.1998 counter for crashes against walls added
----------------------------------------------------------------------*/
#ifndef __HMS_SERVER__
#define __HMS_SERVER__
#include "maze.h"
#include "hamster.h"

/*----------------------------------------------------------------------
  Preprocessor Definitions
----------------------------------------------------------------------*/
/* --- commands for display function --- */
#define HMS_CREATED  0          /* hamster created (0)      */
#define HMS_DELETED  1          /* hamster deleted (0)      */
#define HMS_MOVED    2          /* hamster moved   (dir)    */
#define HMS_TURNED   3          /* hamster turned  (turn)   */
#define HMS_FIELD    4          /* field changed   (0)      */
#define HMS_SCORED   5          /* score changed   (amount) */

/*----------------------------------------------------------------------
  Type Definitions
----------------------------------------------------------------------*/
typedef void (*DISPFN)(HAMSTER *ham, int msg, int arg);
/* The display function is called, if something happens that */
/* requires an update of the display of the hamster or the maze. */
/* The parameter 'msg' identifies the event that occurred, the */
/* value of 'arg' depends on the value of 'msg' (see above). */

struct hamster {                /* --- a hamster --- */
  int    id;                    /* identifier */
  int    x, y;                  /* position in maze */
  int    dir;                   /* direction (line of sight) */
  int    load;                  /* amount of corn in cheeks */
  int    corncnt;               /* total corn collected */
  int    movecnt;               /* number of moves made */
  int    crshcnt;               /* number of crashes against walls */
  int    score;                 /* score achieved so far */
  MAZE   *maze;                 /* maze the hamster is in */
  DISPFN disp;                  /* display function */
};                              /* (type HAMSTER) */

/*----------------------------------------------------------------------
  Functions
----------------------------------------------------------------------*/
extern HAMSTER* hms_create  (MAZE *maze, int id, int dir, DISPFN disp);
extern void     hms_delete  (HAMSTER *hms);
extern int      hms_id      (HAMSTER *hms);
extern MAZE*    hms_maze    (HAMSTER *hms);
extern int      hms_corncnt (HAMSTER *hms);
extern int      hms_movecnt (HAMSTER *hms);
extern int      hms_crshcnt (HAMSTER *hms);
extern int      hms_score   (HAMSTER *hms);

/*----------------------------------------------------------------------
  Preprocessor Definitions
----------------------------------------------------------------------*/
#define hms_id(h)           ((h)->id)
#define hms_maze(h)         ((h)->maze)
#define hms_corncnt(h)      ((h)->corncnt)
#define hms_movecnt(h)      ((h)->movecnt)
#define hms_crshcnt(h)      ((h)->crshcnt)
#define hms_score(h)        ((h)->score)

#endif