CvPlot* CvArmyAI::CheckTargetReached(PlayerTypes eEnemy, bool bNavalOp, int iMaxDistance)
{
//check if we're at the target
CvPlot *pTargetPlot = GetGoalPlot();
CvPlot *pCenterOfMass = GetCenterOfMass(NO_DOMAIN);
if(pCenterOfMass && pTargetPlot && plotDistance(*pCenterOfMass,*pTargetPlot) <= iMaxDistance)
return pTargetPlot;
//check early termination if we ran into the enemy
if(GetArmyAIState() == ARMYAISTATE_MOVING_TO_DESTINATION)
{
CvPlot* pEnemyPlot = DetectNearbyEnemy(eEnemy, bNavalOp);
if(pEnemyPlot != NULL)
{
CvCity* pCity = pEnemyPlot->getWorkingCity();
if(pCity != NULL)
{
if (bNavalOp && pCity->isCoastal() && pCity->waterArea()==pTargetPlot->area())
pEnemyPlot = pCity->plot();
if (!bNavalOp && pCity->area()==pTargetPlot->area())
pEnemyPlot = pCity->plot();
if (pEnemyPlot!=GetGoalPlot())
{
if(GC.getLogging() && GC.getAILogging())
{
CvString strMsg;
strMsg.Format("Switching target from %d,%d to closest city at %d,%d", GetGoalX(), GetGoalY(), pEnemyPlot->getX(), pEnemyPlot->getY() );
GET_PLAYER(m_eOwner).getAIOperation(m_iOperationID)->LogOperationSpecialMessage(strMsg);
}
}
return pEnemyPlot;
}
}
}
return NULL;
}
/// Recalculate when each unit will arrive at the current army position, whatever that is
void CvArmyAI::UpdateCheckpointTurnsAndRemoveBadUnits()
{
CvAIOperation* pOperation = GET_PLAYER(GetOwner()).getAIOperation(GetOperationID());
//should be updated before calling this ...
CvPlot* pCurrentArmyPlot = GC.getMap().plot(GetX(), GetY());
//kick out damaged units, but if we're defending or escorting, no point in running away
if (pOperation->IsOffensive())
{
for (unsigned int iI = 0; iI < m_FormationEntries.size(); iI++)
{
if (!m_FormationEntries[iI].IsUsed())
continue;
CvUnit* pUnit = GET_PLAYER(m_eOwner).getUnit(m_FormationEntries[iI].m_iUnitID);
if (pUnit == NULL)
continue;
//failsafe - make sure the army ID is set
if (pUnit->getArmyID() != GetID())
pUnit->setArmyID(GetID());
//let tactical AI handle those
if (pUnit->GetCurrHitPoints() < pUnit->GetMaxHitPoints() / 3)
RemoveUnit(m_FormationEntries[iI].GetUnitID());
}
}
//update for all units in this army. ignore the ones still being built
int iGatherTolerance = pOperation->GetGatherTolerance(this, pCurrentArmyPlot);
for(unsigned int iI = 0; iI < m_FormationEntries.size(); iI++)
{
if (!m_FormationEntries[iI].IsUsed())
continue;
CvUnit* pUnit = GET_PLAYER(m_eOwner).getUnit(m_FormationEntries[iI].GetUnitID());
if(pUnit && pCurrentArmyPlot)
{
if(plotDistance(*pUnit->plot(),*pCurrentArmyPlot)<iGatherTolerance)
{
m_FormationEntries[iI].SetTurnsToCheckpoint(0);
}
else
{
//be generous with the flags here, for some ops the muster point may be far away and intermittendly occupied by foreign units ...
int iFlags = CvUnit::MOVEFLAG_APPROX_TARGET_RING2 | CvUnit::MOVEFLAG_IGNORE_STACKING | CvUnit::MOVEFLAG_IGNORE_ZOC;
int iTurnsToReachCheckpoint = pUnit->TurnsToReachTarget(pCurrentArmyPlot, iFlags, pOperation->GetMaximumRecruitTurns());
//if we're already moving to target, the current army plot is moving, so we cannot check progress against ...
if ( iTurnsToReachCheckpoint==INT_MAX ||
(GetArmyAIState()==ARMYAISTATE_WAITING_FOR_UNITS_TO_CATCH_UP && !m_FormationEntries[iI].IsMakingProgressTowardsCheckpoint(iTurnsToReachCheckpoint)) )
{
CvString strMsg;
strMsg.Format("Removing %s %d from army %d because no progress to checkpoint (%d:%d). ETA %d, previously %d.",
pUnit->getName().c_str(), m_FormationEntries[iI].GetUnitID(), GetID(), pCurrentArmyPlot->getX(), pCurrentArmyPlot->getY(),
iTurnsToReachCheckpoint, m_FormationEntries[iI].m_iPrevEstimatedTurnsToCheckpoint);
pOperation->LogOperationSpecialMessage(strMsg);
RemoveUnit(m_FormationEntries[iI].GetUnitID());
}
else
m_FormationEntries[iI].SetTurnsToCheckpoint(iTurnsToReachCheckpoint);
}
}
}
}
