};
char *promote_pieces=" nbrqac=";
-extern char castlingRights[][BOARD_SIZE];
-extern char epStatus[];
uint64 Random64[781] = {
U64(0x9D39247E33776D41), U64(0x2AF7398005AAA5C7), U64(0x44DB015024623547), U64(0x9C15F73E62A76AE2),
}
// Holdings not implemented yet!
- if(castlingRights[moveNr][2] >= 0) {
- if(castlingRights[moveNr][0] >= 0) key^=RandomCastle[0];
- if(castlingRights[moveNr][1] >= 0) key^=RandomCastle[1];
+ if(boards[moveNr][CASTLING][2] != NoRights) {
+ if(boards[moveNr][CASTLING][0] != NoRights) key^=RandomCastle[0];
+ if(boards[moveNr][CASTLING][1] != NoRights) key^=RandomCastle[1];
}
- if(castlingRights[moveNr][5] >= 0) {
- if(castlingRights[moveNr][3] >= 0) key^=RandomCastle[2];
- if(castlingRights[moveNr][4] >= 0) key^=RandomCastle[3];
+ if(boards[moveNr][CASTLING][5] != NoRights) {
+ if(boards[moveNr][CASTLING][3] != NoRights) key^=RandomCastle[2];
+ if(boards[moveNr][CASTLING][4] != NoRights) key^=RandomCastle[3];
}
- f = epStatus[moveNr];
+ f = boards[moveNr][EP_STATUS];
if(f >= 0 && f < 8){
if(!WhiteOnMove(moveNr)){
// the test for neighboring Pawns might not be needed,
if(appData.debugMode) fprintf(debugFP, "book key = %08x%08x\n", (unsigned int)(key>>32), (unsigned int)key);
offset=find_key(f, key, &entry);
- if(entry.key != key) return NULL;
+ if(entry.key != key) {
+ fclose(f);
+ return NULL;
+ }
entries[0] = entry;
count=1;
fseek(f, 16*(offset+1), SEEK_SET);
for(i=0; i<count; i++){
total_weight += entries[i].weight;
}
- srandom( time(0) );
j = (random() & 0x7FFF) * total_weight >> 15; // create random < total_weight
total_weight = 0;
for(i=0; i<count; i++){
move_to_string(move_s, entries[i].move);
if(appData.debugMode) fprintf(debugFP, "book move field = %d\n", entries[i].move);
+ fclose(f);
return move_s;
}