/**
** 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;
}
/**
** Select own air units in a rectangle.
**
** @param corner_topleft, start of selection rectangle
** @param corner_bottomright end of selection rectangle
**
** @return the number of units found.
*/
int SelectAirUnitsInRectangle(const PixelPos &corner_topleft, const PixelPos &corner_bottomright)
{
const Vec2i t0 = Map.MapPixelPosToTilePos(corner_topleft);
const Vec2i t1 = Map.MapPixelPosToTilePos(corner_bottomright);
const Vec2i range(2, 2);
std::vector<CUnit *> table;
Select(t0 - range, t1 + range, table);
SelectSpritesInsideRectangle(corner_topleft, corner_bottomright, table);
unsigned int n = 0;
for (size_t i = 0; i != table.size(); ++i) {
CUnit &unit = *table[i];
if (!CanSelectMultipleUnits(*unit.Player) || !unit.Type->SelectableByRectangle) {
continue;
}
if (unit.IsUnusable()) { // guess SelectUnits doesn't check this
continue;
}
if (unit.Type->UnitType != UnitTypeFly) {
continue;
}
if (unit.TeamSelected) { // Somebody else onteam has this unit
continue;
}
table[n++] = &unit;
if (n == MaxSelectable) {
break;
}
}
if (n) {
ChangeSelectedUnits(&table[0], n);
}
return n;
}
/**
** Select own ground units in a rectangle.
**
** @param corner_topleft, start of selection rectangle
** @param corner_bottomright end of selection rectangle
**
** @return the number of units found.
*/
int SelectGroundUnitsInRectangle(const PixelPos &corner_topleft, const PixelPos &corner_bottomright)
{
const Vec2i t0 = Map.MapPixelPosToTilePos(corner_topleft, UI.CurrentMapLayer->ID);
const Vec2i t1 = Map.MapPixelPosToTilePos(corner_bottomright, UI.CurrentMapLayer->ID);
const Vec2i range(2, 2);
std::vector<CUnit *> table;
//Wyrmgus start
// Select(t0 - range, t1 + range, table);
Select(t0 - range, t1 + range, table, UI.CurrentMapLayer->ID);
//Wyrmgus end
SelectSpritesInsideRectangle(corner_topleft, corner_bottomright, table);
unsigned int n = 0;
for (size_t i = 0; i != table.size(); ++i) {
CUnit &unit = *table[i];
if (!CanSelectMultipleUnits(*unit.Player) || !unit.Type->BoolFlag[SELECTABLEBYRECTANGLE_INDEX].value) {
continue;
}
if (unit.IsUnusable()) { // guess SelectUnits doesn't check this
continue;
}
if (unit.Type->UnitType == UnitTypeFly) {
continue;
}
if (unit.TeamSelected) { // Somebody else onteam has this unit
continue;
}
//Wyrmgus start
if (unit.Type->BoolFlag[BUILDING_INDEX].value) { //this selection mode is not for buildings
continue;
}
//Wyrmgus end
table[n++] = &unit;
if (n == MaxSelectable) {
break;
}
}
if (n) {
ChangeSelectedUnits(&table[0], n);
}
return n;
}
/**
** Select entire army.
**
**
** @return the number of units found.
*/
int SelectArmy()
{
const Vec2i minPos(0, 0);
const Vec2i maxPos(UI.CurrentMapLayer->GetWidth() - 1, UI.CurrentMapLayer->GetHeight() - 1);
std::vector<CUnit *> table;
//Wyrmgus start
// Select(minPos, maxPos, table);
Select(minPos, maxPos, table, UI.CurrentMapLayer->ID);
//Wyrmgus end
unsigned int n = 0;
for (size_t i = 0; i != table.size(); ++i) {
CUnit &unit = *table[i];
if (!CanSelectMultipleUnits(*unit.Player) || !unit.Type->BoolFlag[SELECTABLEBYRECTANGLE_INDEX].value) {
continue;
}
if (unit.IsUnusable()) { // guess SelectUnits doesn't check this
continue;
}
if (unit.Type->UnitType == UnitTypeNaval || unit.Type->UnitType == UnitTypeFly) {
continue;
}
if (unit.TeamSelected) { // Somebody else on team has this unit
continue;
}
if (unit.Type->BoolFlag[BUILDING_INDEX].value) { //this selection mode is not for buildings
continue;
}
if (unit.Type->BoolFlag[HARVESTER_INDEX].value) { //this selection mode is not for workers
continue;
}
table[n++] = &unit;
if (n == MaxSelectable) {
break;
}
}
if (n) {
ChangeSelectedUnits(&table[0], n);
}
return n;
}
/**
** Select units in a rectangle.
** Proceed in order in none found:
** @li select local player mobile units
** @li select one local player static unit (random)
** @li select one neutral unit (critter, mine...)
** @li select one enemy unit (random)
**
** @param corner_topleft, start of selection rectangle
** @param corner_bottomright end of selection rectangle
**
** @return the number of units found.
*/
int SelectUnitsInRectangle(const PixelPos &corner_topleft, const PixelPos &corner_bottomright)
{
const Vec2i t0 = Map.MapPixelPosToTilePos(corner_topleft);
const Vec2i t1 = Map.MapPixelPosToTilePos(corner_bottomright);
const Vec2i range(2, 2);
std::vector<CUnit *> table;
Select(t0 - range, t1 + range, table);
SelectSpritesInsideRectangle(corner_topleft, corner_bottomright, table);
// 1) search for the player units selectable with rectangle
if (SelectOrganicUnitsInTable(table)) {
const int size = static_cast<int>(table.size());
ChangeSelectedUnits(&table[0], size);
return size;
}
// 2) If no unit found, try a player's unit not selectable by rectangle
for (size_t i = 0; i != table.size(); ++i) {
CUnit &unit = *table[i];
if (!CanSelectMultipleUnits(*unit.Player)) {
continue;
}
// FIXME: Can we get this?
if (!unit.Removed && unit.IsAlive()) {
SelectSingleUnit(unit);
return 1;
}
}
// 3) If no unit found, try a resource or a neutral critter
for (size_t i = 0; i != table.size(); ++i) {
CUnit &unit = *table[i];
// Unit visible FIXME: write function UnitSelectable
if (!unit.IsVisibleInViewport(*UI.SelectedViewport)) {
continue;
}
const CUnitType &type = *unit.Type;
// Buildings are visible but not selectable
if (type.Building && !unit.IsVisibleOnMap(*ThisPlayer)) {
continue;
}
if ((type.GivesResource && !unit.Removed)) { // no built resources.
SelectSingleUnit(unit);
return 1;
}
}
// 4) If no unit found, select an enemy unit (first found)
for (size_t i = 0; i != table.size(); ++i) {
CUnit &unit = *table[i];
// Unit visible FIXME: write function UnitSelectable
if (!unit.IsVisibleInViewport(*UI.SelectedViewport)) {
continue;
}
// Buildings are visible but not selectable
if (unit.Type->Building && !unit.IsVisibleOnMap(*ThisPlayer)) {
continue;
}
if (unit.IsAliveOnMap()) {
SelectSingleUnit(unit);
return 1;
}
}
return 0;
}
/**
** Select a single unit, unselecting the previous ones
**
** @param unit Pointer to unit to be selected.
*/
void SelectSingleUnit(CUnit &unit)
{
CUnit *unitPtr = &unit;
ChangeSelectedUnits(&unitPtr, 1);
}
