/**
** Check if we can build the building.
**
** @param type Unit that can build the building.
** @param building Building to be build.
**
** @return True if made, false if can't be made.
**
** @note We must check if the dependencies are fulfilled.
*/
static int AiBuildBuilding(const CUnitType &type, CUnitType &building, int near_x, int near_y)
{
CUnit *table[UnitMax];
int num = 0;
//
// Remove all workers on the way building something
//
const int nunits = FindPlayerUnitsByType(AiPlayer->Player, type, table);
for (int i = 0; i < nunits; ++i) {
CUnit& unit = *table[i];
int j;
for (j = 0; j < unit.OrderCount; ++j) {
int action = unit.Orders[j]->Action;
if (action == UnitActionBuild ||
action == UnitActionRepair ||
action == UnitActionReturnGoods ||
(action == UnitActionResource &&
unit.SubAction > 55) /* SUB_START_GATHERING */) {
break;
}
}
if (j == unit.OrderCount) {
table[num++] = &unit;
}
}
if (num == 0) {
// No workers available to build
return 0;
}
CUnit& unit = (num == 1) ? *table[0] : *table[SyncRand() % num];
Vec2i pos;
// Find a place to build.
if (AiFindBuildingPlace(unit, building, near_x, near_y, &pos)) {
CommandBuildBuilding(unit, pos, building, FlushCommands);
return 1;
} else {
//when first worker can't build then rest also won't be able (save CPU)
if (near_x != -1 && near_y != -1) {
//Crush CPU !!!!!
for (int i = 0; i < num && table[i] != &unit; ++i) {
// Find a place to build.
if (AiFindBuildingPlace(*table[i], building, near_x, near_y, &pos)) {
CommandBuildBuilding(*table[i], pos, building, FlushCommands);
return 1;
}
}
}
}
return 0;
}
/**
** Check if we can build the building.
**
** @param type Unit that can build the building.
** @param building Building to be build.
**
** @return True if made, false if can't be made.
**
** @note We must check if the dependencies are fulfilled.
*/
static int AiBuildBuilding(const CUnitType &type, CUnitType &building, const Vec2i &nearPos)
{
std::vector<CUnit *> table;
FindPlayerUnitsByType(*AiPlayer->Player, type, table);
int num = 0;
// Remove all workers on the way building something
for (size_t i = 0; i != table.size(); ++i) {
CUnit &unit = *table[i];
if (IsAlreadyWorking(unit) == false) {
table[num++] = &unit;
}
}
if (num == 0) {
// No workers available to build
return 0;
}
CUnit &unit = (num == 1) ? *table[0] : *table[SyncRand() % num];
Vec2i pos;
// Find a place to build.
if (AiFindBuildingPlace(unit, building, nearPos, &pos)) {
CommandBuildBuilding(unit, pos, building, FlushCommands);
return 1;
} else {
//when first worker can't build then rest also won't be able (save CPU)
if (Map.Info.IsPointOnMap(nearPos)) {
//Crush CPU !!!!!
for (int i = 0; i < num && table[i] != &unit; ++i) {
// Find a place to build.
if (AiFindBuildingPlace(*table[i], building, nearPos, &pos)) {
CommandBuildBuilding(*table[i], pos, building, FlushCommands);
return 1;
}
}
}
}
return 0;
}
