diff options
Diffstat (limited to 'src/engine/moves/vec.c')
| -rw-r--r-- | src/engine/moves/vec.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/engine/moves/vec.c b/src/engine/moves/vec.c new file mode 100644 index 0000000..6192706 --- /dev/null +++ b/src/engine/moves/vec.c @@ -0,0 +1,51 @@ +#include "../moves.h" +#include <assert.h> +#include <stdlib.h> + +void position_make_move(position_t* position, move_t* move) { + +} + +moves_t moves_init() { + return moves_init_wcapacity(16); +} + +moves_t moves_init_wcapacity(u32 capacity) { + move_t* moves = malloc(capacity * sizeof(*moves)); + return (moves_t) { + .moves = moves, + .capacity = capacity, + .length = 0, + }; +} + +moves_t moves_empty() { + return (moves_t) { + .moves = 0, + .capacity = 0, + .length = 0, + }; +} + +int min(int a, int b) { + if (a > b) return b; + return a; +} + +void add_move(moves_t* moves, square_t from, square_t to) { + assert(moves->moves != 0); + assert(from != to); + + if (moves->length + 1 >= moves->capacity) { + moves->capacity += min(32, moves->capacity); + moves->moves = realloc( + moves->moves, + moves->capacity * sizeof(*moves->moves) + ); + } + moves->moves[moves->length] = (move_t){ + .from = from, + .to = to + }; + moves->length++; +} |
