/**
** Change selected units to units from group group_number
** Doesn't change the selection if the group has no unit.
**
** @param group_number number of the group to be selected.
**
** @return number of units in the group.
*/
int SelectGroup(int group_number, GroupSelectionMode mode)
{
const std::vector<CUnit *> &units = GetUnitsOfGroup(group_number);
if (units.empty()) {
return 0;
}
if (mode == SELECT_ALL || !IsGroupTainted(group_number)) {
ChangeSelectedUnits(const_cast<CUnit **>(&units[0]), units.size());
return Selected.size();
}
std::vector<CUnit *> table;
for (size_t i = 0; i != units.size(); ++i) {
const CUnitType *type = units[i]->Type;
if (type && type->CanSelect(mode)) {
table.push_back(units[i]);
}
}
if (table.empty() == false) {
ChangeSelectedUnits(&table[0], table.size());
return Selected.size();
}
return 0;
}
/**
** Change selected units to units from group group_number
** Doesn't change the selection if the group has no unit.
**
** @param group_number number of the group to be selected.
**
** @return number of units in the group.
*/
int SelectGroup(int group_number, GroupSelectionMode mode)
{
int nunits = GetNumberUnitsOfGroup(group_number, SELECT_ALL);
if (nunits) {
if (mode == SELECT_ALL || !IsGroupTainted(group_number)) {
ChangeSelectedUnits(GetUnitsOfGroup(group_number), nunits);
return NumSelected;
} else {
std::vector<CUnit *> table;
CUnit **group = GetUnitsOfGroup(group_number);
for (int i = 0; i < nunits; ++i) {
const CUnitType *type = group[i]->Type;
if (type && type->CanSelect(mode)) {
table.push_back(group[i]);
}
}
if (table.empty() == false) {
ChangeSelectedUnits(&table[0], static_cast<int>(table.size()));
return NumSelected;
}
}
}
return 0;
}
