}
}
+ board->phase = DVONN_PHASE_PLACEMENT;
board->player = DVONN_PLAYER_WHITE;
+ board->moves = 0;
}
static dvonn_bool_t
board->player = DVONN_PLAYER_BLACK;
}
+int
+dvonn_board_place (dvonn_board_t *board,
+ int x, int y,
+ char **error)
+{
+ if (board->phase != DVONN_PHASE_PLACEMENT) {
+ *error = "Cannot place outside of placement phase";
+ return FALSE;
+ }
+
+ if (board->cells[x][y].type != DVONN_CELL_EMPTY) {
+ *error = "Cannot place on an occupied space";
+ return FALSE;
+ }
+
+ if (board->moves < 3)
+ board->cells[x][y].type = DVONN_CELL_RED;
+ else if (board->moves % 2)
+ board->cells[x][y].type = DVONN_CELL_BLACK;
+ else
+ board->cells[x][y].type = DVONN_CELL_WHITE;
+
+ board->moves++;
+
+ if (board->moves == 49) {
+ board->phase = DVONN_PHASE_MOVEMENT;
+ board->moves = 0;
+ }
+
+ return TRUE;
+}
+
int
dvonn_board_move (dvonn_board_t *board,
int x1, int y1,
int x2, int y2,
char **error)
{
+ if (board->phase != DVONN_PHASE_MOVEMENT) {
+ *error = "Cannot move outside of placement phase";
+ return FALSE;
+ }
+
if (! dvonn_board_move_legal (board, x1, y1, x2, y2, error))
return FALSE;