Exemple #1
0
// select previous entry in current list
void tech_prev_entry()
{
	//unload the current animation, we load another one for the new current entry
	techroom_unload_animation();

	Cur_entry--;
	if (Cur_entry < 0) {
		Cur_entry = Current_list_size - 1;

		// scroll to end of list
		List_offset = Cur_entry - Tech_list_coords[gr_screen.res][SHIP_H_COORD] / gr_get_font_height() + 1;
		if (List_offset < 0) {
			// this happens when there are not enough items to scroll
			List_offset = 0;
		}
		Tech_slider.force_currentItem(Tech_slider.get_numberItems());
	} else {
		// maybe adjust list position by 1
		if (List_offset > Cur_entry) {
			tech_scroll_list_up();
			Tech_slider.forceUp();
		}
	}

	techroom_select_new_entry();
	gamesnd_play_iface(SND_SCROLL);
}
Exemple #2
0
// select next entry in current list
void tech_next_entry()
{
	//unload the current animation, we load another one for the new current entry
	techroom_unload_animation();

	Cur_entry++;
	if (Cur_entry >= Current_list_size) {
		Cur_entry = 0;

		// scroll to beginning of list
		List_offset = 0;
		Tech_slider.force_currentItem(Cur_entry);
	} else {
		// maybe adjust list position by 1
		if (List_offset + Tech_list_coords[gr_screen.res][SHIP_H_COORD] / gr_get_font_height() <= Cur_entry) {
			tech_scroll_list_down();
			Tech_slider.forceDown();
		}
	}

	techroom_select_new_entry();
	gamesnd_play_iface(SND_SCROLL);
}