Skynet/Skynet/DetectorAction.cpp

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#include "DetectorAction.h"

#include "Vector.h"
#include "UnitTracker.h"
#include "UnitHelper.h"

#include <limits>

bool DetectorAction::update(const Goal &squadGoal, const UnitGroup &squadUnitGroup)
{
        if(squadGoal.getActionType() == ActionType::Retreat || squadGoal.getActionType() == ActionType::FallBack)
                return false;

        Unit needsDetecting;
        int unitDistance = std::numeric_limits<int>::max();
        for each(Unit unit in UnitTracker::Instance().selectAllEnemy())
        {
                const BWAPI::UnitType &unitType = unit->getType();
                if(unitType.hasPermanentCloak() || unitType == BWAPI::UnitTypes::Zerg_Lurker || unit->isCloaked() || unit->isBurrowed())
                {
                        int thisDistance = mUnit->getDistance(unit);
                        if(thisDistance < unitDistance)
                        {
                                needsDetecting = unit;
                                unitDistance = thisDistance;
                        }
                }
        }

        if(needsDetecting)
        {
                if(unitDistance > BWAPI::UnitTypes::Protoss_Observer.sightRange())
                {
                        mUnit->move(needsDetecting->getPosition());
                        return true;
                }
        }

        //TODO: give actions access to the rest of the squad
        UnitGroup protectionUnits;
        for each(Unit unit in squadUnitGroup)
        {
                if(!UnitHelper::isArmyUnit(unit->getType()))
                        continue;

                if(unit->getType() == BWAPI::UnitTypes::Protoss_Arbiter || unit->getType().isBuilding())
                        continue;

                if(mUnit->getDistance(unit) > 250)
                        continue;

                protectionUnits.insert(unit);
        }

        if(!protectionUnits.empty())
        {
                protectionUnits = protectionUnits.getBestFittingToCircle(136);
                if(!protectionUnits.empty())
                {
                        Position protectedArea = protectionUnits.getCenter();
                        if(mUnit->getDistance(protectedArea) > 110)
                        {
                                mUnit->move(protectedArea);
                                return true;
                        }
                }
        }

        return false;
}