You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
68 lines
1.9 KiB
68 lines
1.9 KiB
5 years ago
|
|
||
|
|
||
|
|
||
|
/// TAKE
|
||
|
void _push_if_valid_pos(int x, int y, std::unordered_set<Position> *pns){
|
||
|
if (is_valid_position(x, y)){
|
||
|
pns->insert(pair_to_pos(x, y));
|
||
|
}
|
||
|
}
|
||
|
void _get_all_moves_rook(int x, int y, std::unordered_set<Position> *pns){
|
||
|
for (int offset=1; offset<8; offset++){
|
||
|
int xpoff = x+offset;
|
||
|
int ypoff = y+offset;
|
||
|
int xnoff = x-offset;
|
||
|
int ynoff = y-offset;
|
||
|
_push_if_valid_pos(xpoff, y, pns);
|
||
|
_push_if_valid_pos(x, ypoff, pns);
|
||
|
_push_if_valid_pos(xnoff, y, pns);
|
||
|
_push_if_valid_pos(x, ynoff, pns);
|
||
|
}
|
||
|
}
|
||
|
void _get_all_moves_bishop(int x, int y, std::unordered_set<Position> *pns){
|
||
|
for (int offset=1; offset<8; offset++){
|
||
|
int xpoff = x+offset;
|
||
|
int ypoff = y+offset;
|
||
|
int xnoff = x-offset;
|
||
|
int ynoff = y-offset;
|
||
|
_push_if_valid_pos(xpoff, ypoff, pns);
|
||
|
_push_if_valid_pos(xpoff, ynoff, pns);
|
||
|
_push_if_valid_pos(xnoff, ypoff, pns);
|
||
|
_push_if_valid_pos(xnoff, ynoff, pns);
|
||
|
}
|
||
|
|
||
|
}
|
||
|
void _get_all_moves_knight(int x, int y, std::unordered_set<Position> *pns){
|
||
|
for (int xo=1;xo<=2;xo++){
|
||
|
int yo=(xo==1)?2:1;
|
||
|
_push_if_valid_pos(x+xo, y+yo, pns);
|
||
|
_push_if_valid_pos(x-xo, y+yo, pns);
|
||
|
_push_if_valid_pos(x+xo, y-yo, pns);
|
||
|
_push_if_valid_pos(x-xo, y-yo, pns);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void _get_all_moves_king(int x, int y, std::unordered_set<Position> *pns){
|
||
|
_push_if_valid_pos(x+1, y+1, pns);
|
||
|
_push_if_valid_pos(x+1, y-1, pns);
|
||
|
_push_if_valid_pos(x-1, y+1, pns);
|
||
|
_push_if_valid_pos(x-1, y-1, pns);
|
||
|
_push_if_valid_pos(x, y+1, pns);
|
||
|
_push_if_valid_pos(x, y-1, pns);
|
||
|
_push_if_valid_pos(x+1, y, pns);
|
||
|
_push_if_valid_pos(x-1, y, pns);
|
||
|
}
|
||
|
void _get_all_moves_w_pawn(int x, int y, std::unordered_set<Position> *pns){
|
||
|
_push_if_valid_pos(x, y+1, pns);
|
||
|
_push_if_valid_pos(x, y+2, pns);
|
||
|
_push_if_valid_pos(x+1, y+1, pns);
|
||
|
_push_if_valid_pos(x-1, y+1, pns);
|
||
|
}
|
||
|
void _get_all_moves_b_pawn(int x, int y, std::unordered_set<Position> *pns){
|
||
|
_push_if_valid_pos(x, y-1, pns);
|
||
|
_push_if_valid_pos(x, y-2, pns);
|
||
|
_push_if_valid_pos(x-1, y-1, pns);
|
||
|
_push_if_valid_pos(x+1, y-1, pns);
|
||
|
}
|
||
|
|