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/* Typedefs ******************************************************************/
typedef enum center Center;
typedef enum corner Corner;
typedef enum edge Edge;
typedef enum move Move;
typedef enum trans Trans;
typedef struct alg Alg;
typedef struct alglist AlgList;
typedef struct alglistnode AlgListNode;
typedef struct block Block;
typedef struct cachedata CacheData;
typedef struct cachenode CacheNode;
typedef struct cube Cube;
typedef struct cubearray CubeArray;
typedef struct dfsdata DfsData;
typedef struct piecefilter PieceFilter;
typedef struct prunedata PruneData;
typedef struct solveoptions SolveOptions;
typedef struct step Step;
typedef int (*Checker)(Cube);
typedef uint64_t (*Indexer)(Cube);
typedef bool (*Moveset)(Move);
/* Enums *********************************************************************/
enum
center
{
U_center, D_center,
R_center, L_center,
F_center, B_center
};
enum
corner
{
UFR, UFL, UBL, UBR,
DFR, DFL, DBL, DBR
};
enum
edge
{
UF, UL, UB, UR,
DF, DL, DB, DR,
FR, FL, BL, BR
};
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,
};
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,
mirror, /* R|L */
};
/* 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
cachedata
{
char * filename;
CacheNode ** ctable;
bool generated;
uint64_t maxind0;
int len;
int nind;
Indexer index[20]; /* Should be enough */
Checker check;
Moveset moveset;
};
struct
cachenode
{
uint64_t * indexval;
Alg * sol;
CacheNode * next;
};
struct
cube
{
uint16_t epose;
uint16_t eposs;
uint16_t eposm;
uint16_t eofb;
uint16_t eorl;
uint16_t eoud;
uint16_t cp;
uint16_t coud;
uint16_t cofb;
uint16_t corl;
uint16_t cpos;
};
struct
cubearray
{
int * ep;
int * eofb;
int * eorl;
int * eoud;
int * cp;
int * coud;
int * corl;
int * cofb;
int * cpos;
};
struct
dfsdata
{
int d;
int m;
bool niss;
Move last1;
Move last2;
AlgList * sols;
Alg * current_alg;
Move sorted_moves[NMOVES];
int move_position[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;
uint8_t * ptable;
uint8_t * reached;
bool generated;
uint64_t n;
uint64_t size;
Indexer index;
Moveset moveset;
};
struct
solveoptions
{
int min_moves;
int max_moves;
int max_solutions;
bool optimal_only;
bool can_niss;
bool feedback;
Trans pre_trans;
};
struct
step
{
Checker check;
Checker ready;
Moveset moveset;
CacheData * cd;
};
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