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#ifndef CUBETYPES_H
#define CUBETYPES_H
#include <stdbool.h>
#include <inttypes.h>
#include <pthread.h>
#define NMOVES 55 /* Actually 54, but one is NULLMOVE */
#define NTRANS 48
#define NROTATIONS 24
#define entry_group_t uint8_t /* For pruning tables */
/* Enums *********************************************************************/
typedef enum
center
{
U_center, D_center,
R_center, L_center,
F_center, B_center
} Center;
typedef enum
corner
{
UFR, UFL, UBL, UBR,
DFR, DFL, DBL, DBR
} Corner;
typedef enum
edge
{
UF, UL, UB, UR,
DF, DL, DB, DR,
FR, FL, BL, BR
} Edge;
typedef enum
move
{
NULLMOVE,
U, U2, U3, D, D2, D3,
R, R2, R3, L, L2, L3,
F, F2, F3, B, B2, B3,
Uw, Uw2, Uw3, Dw, Dw2, Dw3,
Rw, Rw2, Rw3, Lw, Lw2, Lw3,
Fw, Fw2, Fw3, Bw, Bw2, Bw3,
M, M2, M3,
S, S2, S3,
E, E2, E3,
x, x2, x3,
y, y2, y3,
z, z2, z3,
} Move;
typedef enum
trans
{
uf, ur, ub, ul,
df, dr, db, dl,
rf, rd, rb, ru,
lf, ld, lb, lu,
fu, fr, fd, fl,
bu, br, bd, bl,
uf_mirror, ur_mirror, ub_mirror, ul_mirror,
df_mirror, dr_mirror, db_mirror, dl_mirror,
rf_mirror, rd_mirror, rb_mirror, ru_mirror,
lf_mirror, ld_mirror, lb_mirror, lu_mirror,
fu_mirror, fr_mirror, fd_mirror, fl_mirror,
bu_mirror, br_mirror, bd_mirror, bl_mirror,
} Trans;
/* Typedefs ******************************************************************/
typedef struct alg Alg;
typedef struct alglist AlgList;
typedef struct alglistnode AlgListNode;
typedef struct block Block;
typedef struct command Command;
typedef struct commandargs CommandArgs;
typedef struct coordinate Coordinate;
typedef struct cube Cube;
typedef struct cubearray CubeArray;
typedef struct dfsarg DfsArg;
typedef struct estimatedata EstimateData;
typedef struct moveset Moveset;
typedef struct piecefilter PieceFilter;
typedef struct prunedata PruneData;
typedef struct solveoptions SolveOptions;
typedef struct step Step;
typedef struct symdata SymData;
typedef struct threaddatasolve ThreadDataSolve;
typedef struct threaddatagenpt ThreadDataGenpt;
typedef Cube (*AntiIndexer) (uint64_t);
typedef bool (*Checker) (Cube);
typedef uint64_t (*CoordMover) (Move, uint64_t);
typedef uint64_t (*CoordTransformer) (Trans, uint64_t);
typedef int (*Estimator) (DfsArg *);
typedef bool (*Validator) (Alg *);
typedef void (*Exec) (CommandArgs *);
typedef uint64_t (*Indexer) (Cube);
typedef CommandArgs * (*ArgParser) (int, char **);
typedef int (*TransDetector) (Cube, Trans *);
typedef int (*TransFinder) (uint64_t, Trans *);
/* Structs *******************************************************************/
struct
alg
{
Move * move;
bool * inv;
int len;
int allocated;
};
struct
alglist
{
AlgListNode * first;
AlgListNode * last;
int len;
};
struct
alglistnode
{
Alg * alg;
AlgListNode * next;
};
struct
block
{
bool edge[12];
bool corner[8];
bool center[6];
};
struct
command
{
char * name;
char * usage;
char * description;
ArgParser parse_args;
Exec exec;
};
struct
commandargs
{
bool success;
Alg * scramble;
SolveOptions * opts;
Step * step;
Command * command; /* For help */
int n;
char scrtype[20];
bool scrstdin;
bool header;
};
struct
coordinate
{
Indexer index;
uint64_t max;
CoordMover move;
CoordTransformer transform;
SymData * sd;
TransFinder tfind; /* TODO: should be easy to remove */
};
struct
cube
{
int epose;
int eposs;
int eposm;
int eofb;
int eorl;
int eoud;
int cp;
int coud;
int cofb;
int corl;
int cpos;
};
struct
cubearray
{
int * ep;
int * eofb;
int * eorl;
int * eoud;
int * cp;
int * coud;
int * corl;
int * cofb;
int * cpos;
};
struct
dfsarg
{
Step * step;
SolveOptions * opts;
Trans t;
Cube cube;
Cube inverse;
int d;
uint64_t badmoves;
uint64_t badmovesinv;
bool niss;
Move last1;
Move last2;
Move last1inv;
Move last2inv;
EstimateData * ed;
AlgList * sols;
pthread_mutex_t * sols_mutex;
Alg * current_alg;
};
struct
estimatedata
{
int corners;
int normal_ud;
int normal_fb;
int normal_rl;
int inverse_ud;
int inverse_fb;
int inverse_rl;
int oldret;
};
struct
moveset
{
bool (*allowed)(Move);
bool (*allowed_next)(Move, Move, Move);
Move sorted_moves[NMOVES+1];
uint64_t mask[NMOVES][NMOVES];
};
struct
piecefilter
{
bool epose;
bool eposs;
bool eposm;
bool eofb;
bool eorl;
bool eoud;
bool cp;
bool coud;
bool cofb;
bool corl;
bool cpos;
};
struct
prunedata
{
char * filename;
entry_group_t * ptable;
bool generated;
uint64_t n;
Coordinate * coord;
Moveset * moveset;
bool compact;
int base;
uint64_t count[16];
PruneData * fallback;
uint64_t fbmod;
};
struct
solveoptions
{
int min_moves;
int max_moves;
int max_solutions;
int nthreads;
int optimal;
bool can_niss;
bool verbose;
bool all;
bool print_number;
bool count_only;
};
struct
step
{
char * shortname;
char * name;
bool final;
Checker is_done;
Estimator estimate;
Checker ready;
char * ready_msg;
Validator is_valid;
Moveset * moveset;
Trans pre_trans;
TransDetector detect;
int ntables;
PruneData * tables[10];
};
struct
symdata
{
char * filename;
bool generated;
Coordinate * coord;
Coordinate * sym_coord;
int ntrans;
Trans * trans;
uint64_t * class;
uint64_t * unsym;
Trans * transtorep;
uint64_t * selfsim;
CoordTransformer transform; /* TODO: remove, use that of base coord */
};
struct
threaddatasolve
{
int thid;
Trans t;
Cube cube;
Step * step;
int depth;
SolveOptions * opts;
AlgList * start;
AlgListNode ** node;
AlgList * sols;
pthread_mutex_t * start_mutex;
pthread_mutex_t * sols_mutex;
};
struct
threaddatagenpt
{
int thid;
int nthreads;
PruneData * pd;
int d;
int nchunks;
pthread_mutex_t ** mutex;
pthread_mutex_t * upmutex;
};
#endif
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