/*--------------------------------------------------------------------------*/
/* game board                                                               */
/*--------------------------------------------------------------------------*/

#ifndef __MY_BOARD_H
#define __MY_BOARD_H

#include "actors.h"

/*--------------------------------------------------------------------------*/
/* defines                                                                  */
/*--------------------------------------------------------------------------*/

#define BOARD_XCELLS    9
#define BOARD_YCELLS    9

#define CELL_POWER      0x8000          /* cell is a power point */
#define CELL_IMPRISON   0x4000          /* actor is imprisoned */
#define CELL_LUMI       0x2000          /* participates in luminance cycle */
#define CELL_LIGHT      0x1000          /* cell is always light */
#define CELL_DARK       0x800           /* cell is always dark */
#define CELL_LUMI_MASK  0xF

#define LUMI_DARKEST    1               /* luminance steppings in sprite */
#define LUMI_LIGHTEST   6               /*   1=darkest  6=lightest */
#define LUMI_COUNT      8               /* number of luminance states (0..7) */

enum {
   SPELL_TELEPORT = 1,
   SPELL_HEAL,
   SPELL_SHIFT_TIME,
   SPELL_EXCHANGE,
   SPELL_SUMMON_ELEMENTAL,
   SPELL_REVIVE,
   SPELL_IMPRISON,
   SPELL_CEASE_CONJURING,

   SPELL_FIRST = SPELL_TELEPORT,
   SPELL_LAST  = SPELL_CEASE_CONJURING,
   SPELL_COUNT = (SPELL_LAST - SPELL_FIRST + 1),
   SPELL_COUNT_2 = SPELL_COUNT + 2
};

/*--------------------------------------------------------------------------*/
/* structures                                                               */
/*--------------------------------------------------------------------------*/

typedef struct {
   int flags;                           /* see CELL_* #define's above */
   ACTOR *actor;                        /* actor occupying cell */
   void *rocks;                         /* rocks placement for field mode */
} CELL;

/*--------------------------------------------------------------------------*/
/* function                                                                 */
/*--------------------------------------------------------------------------*/

void board_start_game(int light_first);
int board_end_game(void);
int board_pause_game(int pause);
void board_refresh(void);
int board_frame(void);
int board_revive_check(int *actors, int *cell_x, int *cell_y);
int board_cell_lumi(CELL *cell);
int board_is_pickable(int cx, int cy, int msg);
int *board_get_route(int x1, int y1, int x2, int y2);
int board_find_actor(int type, int *ax, int *ay);
int board_is_imprison_ok(void);
void board_get_data(int *_side, int *_turn, int *_lumi, int *_lumi_d);
void board_absolute_control_delta(int *dx, int *dy);

/*--------------------------------------------------------------------------*/
/* variables                                                                */
/*--------------------------------------------------------------------------*/

extern int board_turn;
extern int board_frame_time;
extern CELL board_cells[BOARD_YCELLS][BOARD_XCELLS];
extern int spell_avails[3][SPELL_COUNT_2]; /* row 0 is light, row 1 is dark */
extern int init_board_cells[BOARD_YCELLS][BOARD_XCELLS];

#endif /* __MY_BOARD_H */