char *(*text_format)(game_state *state);
game_ui *(*new_ui)(game_state *state);
void (*free_ui)(game_ui *ui);
- game_state *(*make_move)(game_state *from, game_ui *ui, int x, int y,
- int button);
+ game_state *(*make_move)(game_state *from, game_ui *ui, game_drawstate *ds,
+ int x, int y, int button);
void (*size)(game_params *params, int *x, int *y);
float *(*colours)(frontend *fe, game_state *state, int *ncolours);
game_drawstate *(*new_drawstate)(game_state *state);