+static int get_move_delay_from_stepsize(int move_stepsize)
+{
+ move_stepsize =
+ MIN(MAX(MOVE_STEPSIZE_MIN, move_stepsize), MOVE_STEPSIZE_MAX);
+
+ /* make sure that stepsize value is always a power of 2 */
+ move_stepsize = (1 << log_2(move_stepsize));
+
+ return TILEX / move_stepsize;
+}
+
+static void SetPlayerMoveSpeed(struct PlayerInfo *player, int move_stepsize,
+ boolean init_game)
+{
+ int move_delay = get_move_delay_from_stepsize(move_stepsize);
+ boolean cannot_move = (move_stepsize == STEPSIZE_NOT_MOVING ? TRUE : FALSE);
+
+ /* do no immediately change move delay -- the player might just be moving */
+ player->move_delay_value_next = move_delay;
+
+ /* information if player can move must be set separately */
+ player->cannot_move = cannot_move;
+
+ if (init_game)
+ {
+ player->move_delay = game.initial_move_delay;
+ player->move_delay_value = game.initial_move_delay_value;
+
+ player->move_delay_value_next = -1;
+
+ player->move_delay_reset_counter = 0;
+ }
+}
+