Function Map_SelectNext

src/map.c:1182–1285

}

void Map_SelectNext(bool getNext)
{
	PoolFindStruct find;
	Object *selected = NULL;
	Object *previous = NULL;
	Object *next = NULL;
	Object *first = NULL;
	Object *last = NULL;
	bool hasPrevious = false;
	bool hasNext = false;

	if (g_unitSelected != NULL) {
		if (Map_IsTileVisible(Tile_PackTile(g_unitSelected->o.position))) selected = &g_unitSelected->o;
	} else {
		Structure *s;

		s = Structure_Get_ByPackedTile(g_selectionPosition);

		if (s != NULL && Map_IsTileVisible(Tile_PackTile(s->o.position))) selected = &s->o;
	}

	find.houseID = HOUSE_INVALID;
	find.index   = 0xFFFF;
	find.type    = 0xFFFF;

	while (true) {
		Unit *u;

		u = Unit_Find(&find);
		if (u == NULL) break;

		if (!g_table_unitInfo[u->o.type].o.flags.tabSelectable) continue;

		if (!Map_IsTileVisible(Tile_PackTile(u->o.position))) continue;

		if ((u->o.seenByHouses & (1 << g_playerHouseID)) == 0) continue;

		if (first == NULL) first = &u->o;
		last = &u->o;
		if (selected == NULL) selected = &u->o;

		if (selected == &u->o) {
			hasPrevious = true;
			continue;
		}

		if (!hasPrevious) {
			previous = &u->o;
			continue;
		}

		if (!hasNext) {
			next = &u->o;
			hasNext = true;
		}
	}

	find.houseID = HOUSE_INVALID;