/// Find average speed of units in army
int CvArmyAI::GetMovementRate()
{
int iMovementAverage = 2; // A reasonable default
int iNumUnits = 0;
int iTotalMovementAllowance = 0;
CvUnit* pUnit;
pUnit = GetFirstUnit();
while(pUnit)
{
iNumUnits++;
iTotalMovementAllowance += pUnit->baseMoves();
pUnit = GetNextUnit(pUnit);
}
if(iNumUnits > 0)
{
iMovementAverage = (iTotalMovementAllowance + (iNumUnits / 2)) / iNumUnits;
}
return iMovementAverage;
}
/// Updates the danger plots values to reflect threats across the map
void CvDangerPlots::UpdateDanger (bool bPretendWarWithAllCivs, bool bIgnoreVisibility)
{
// danger plots have not been initialized yet, so no need to update
if (!m_bArrayAllocated)
{
return;
}
// wipe out values
int iGridSize = GC.getMap().numPlots();
CvAssertMsg(iGridSize == m_DangerPlots.size(), "iGridSize does not match number of DangerPlots");
for (int i = 0; i < iGridSize; i++)
{
m_DangerPlots[i] = 0;
}
CvPlayer& thisPlayer = GET_PLAYER(m_ePlayer);
TeamTypes thisTeam = thisPlayer.getTeam();
// for each opposing civ
for (int iPlayer = 0; iPlayer < MAX_PLAYERS; iPlayer++)
{
PlayerTypes ePlayer = (PlayerTypes)iPlayer;
CvPlayer& loopPlayer = GET_PLAYER(ePlayer);
TeamTypes eTeam = loopPlayer.getTeam();
if (!loopPlayer.isAlive())
{
continue;
}
if (eTeam == thisTeam)
{
continue;
}
if (ShouldIgnorePlayer(ePlayer) && !bPretendWarWithAllCivs)
{
continue;
}
//for each unit
int iLoop;
CvUnit* pLoopUnit = NULL;
for (pLoopUnit = loopPlayer.firstUnit(&iLoop); pLoopUnit != NULL; pLoopUnit = loopPlayer.nextUnit(&iLoop))
{
if (ShouldIgnoreUnit(pLoopUnit, bIgnoreVisibility))
{
continue;
}
int iRange = pLoopUnit->baseMoves();
if (pLoopUnit->canRangeStrike())
{
iRange += pLoopUnit->GetRange();
}
CvPlot* pUnitPlot = pLoopUnit->plot();
AssignUnitDangerValue(pLoopUnit, pUnitPlot);
CvPlot* pLoopPlot = NULL;
for (int iDX = -(iRange); iDX <= iRange; iDX++)
{
for (int iDY = -(iRange); iDY <= iRange; iDY++)
{
pLoopPlot = plotXYWithRangeCheck(pUnitPlot->getX(), pUnitPlot->getY(), iDX, iDY, iRange);
if (!pLoopPlot || pLoopPlot == pUnitPlot)
{
continue;
}
if (!pLoopUnit->canMoveOrAttackInto(*pLoopPlot) && !pLoopUnit->canRangeStrikeAt(pLoopPlot->getX(),pLoopPlot->getY()))
{
continue;
}
AssignUnitDangerValue(pLoopUnit, pLoopPlot);
}
}
}
// for each city
CvCity* pLoopCity;
for (pLoopCity = loopPlayer.firstCity(&iLoop); pLoopCity != NULL; pLoopCity = loopPlayer.nextCity(&iLoop))
{
if (ShouldIgnoreCity(pLoopCity, bIgnoreVisibility))
{
continue;
}
int iRange = GC.getCITY_ATTACK_RANGE();
CvPlot* pCityPlot = pLoopCity->plot();
AssignCityDangerValue(pLoopCity, pCityPlot);
CvPlot* pLoopPlot = NULL;
for (int iDX = -(iRange); iDX <= iRange; iDX++)
{
for (int iDY = -(iRange); iDY <= iRange; iDY++)
{
pLoopPlot = plotXYWithRangeCheck(pCityPlot->getX(), pCityPlot->getY(), iDX, iDY, iRange);
if (!pLoopPlot)
{
continue;
}
AssignCityDangerValue(pLoopCity, pLoopPlot);
}
}
}
}
// Citadels
int iCitadelValue = GetDangerValueOfCitadel();
int iPlotLoop;
CvPlot *pPlot, *pAdjacentPlot;
for (iPlotLoop = 0; iPlotLoop < GC.getMap().numPlots(); iPlotLoop++)
{
pPlot = GC.getMap().plotByIndexUnchecked(iPlotLoop);
if (pPlot->isRevealed(thisTeam))
{
ImprovementTypes eImprovement = pPlot->getRevealedImprovementType(thisTeam);
if (eImprovement != NO_IMPROVEMENT && GC.getImprovementInfo(eImprovement)->GetNearbyEnemyDamage() > 0)
{
if (!ShouldIgnoreCitadel(pPlot, bIgnoreVisibility))
{
for (int iI = 0; iI < NUM_DIRECTION_TYPES; iI++)
{
pAdjacentPlot = plotDirection(pPlot->getX(), pPlot->getY(), ((DirectionTypes)iI));
if (pAdjacentPlot != NULL)
{
AddDanger(pAdjacentPlot->getX(), pAdjacentPlot->getY(), iCitadelValue);
}
}
}
}
}
}
// testing city danger values
CvCity* pLoopCity;
int iLoopCity = 0;
for (pLoopCity = thisPlayer.firstCity(&iLoopCity); pLoopCity != NULL; pLoopCity = thisPlayer.nextCity(&iLoopCity))
{
int iThreatValue = GetCityDanger(pLoopCity);
pLoopCity->SetThreatValue(iThreatValue);
}
m_bDirty = false;
}
// Indicate the plots we might want to move to that the enemy can attack
void CvTacticalAnalysisMap::MarkCellsNearEnemy()
{
int iDistance;
// Look at every cell on the map
for(int iI = 0; iI < GC.getMap().numPlots(); iI++)
{
bool bMarkedIt = false; // Set true once we've found one that enemy can move past (worst case)
CvPlot* pPlot = GC.getMap().plotByIndexUnchecked(iI);
if(m_pPlots[iI].IsRevealed() && !m_pPlots[iI].IsImpassableTerrain() && !m_pPlots[iI].IsImpassableTerritory())
{
// Friendly cities always safe
if(!m_pPlots[iI].IsFriendlyCity())
{
if(!pPlot->isVisibleToEnemyTeam(m_pPlayer->getTeam()))
{
m_pPlots[iI].SetNotVisibleToEnemy(true);
}
else
{
for(unsigned int iUnitIndex = 0; iUnitIndex < m_EnemyUnits.size() && !bMarkedIt; iUnitIndex++)
{
CvUnit* pUnit = m_EnemyUnits[iUnitIndex];
if(pUnit->getArea() == pPlot->getArea())
{
// Distance check before hitting pathfinder
iDistance = plotDistance(pUnit->getX(), pUnit->getY(), pPlot->getX(), pPlot->getY());
if(iDistance == 0)
{
m_pPlots[iI].SetSubjectToAttack(true);
m_pPlots[iI].SetEnemyCanMovePast(true);
bMarkedIt = true;
}
// TEMPORARY OPTIMIZATION: Assumes can't use roads or RR
else if(iDistance <= pUnit->baseMoves())
{
int iTurnsToReach;
iTurnsToReach = TurnsToReachTarget(pUnit, pPlot, true /*bReusePaths*/, true /*bIgnoreUnits*/); // Its ok to reuse paths because when ignoring units, we don't use the tactical analysis map (which we are building)
if(iTurnsToReach <= 1)
{
m_pPlots[iI].SetSubjectToAttack(true);
}
if(iTurnsToReach == 0)
{
m_pPlots[iI].SetEnemyCanMovePast(true);
bMarkedIt = true;
}
}
}
}
// Check adjacent plots for enemy citadels
if(!m_pPlots[iI].IsSubjectToAttack())
{
CvPlot* pAdjacentPlot;
for(int jJ = 0; jJ < NUM_DIRECTION_TYPES; jJ++)
{
pAdjacentPlot = plotDirection(pPlot->getX(), pPlot->getY(), ((DirectionTypes)jJ));
if(pAdjacentPlot != NULL && pAdjacentPlot->getOwner() != NO_PLAYER)
{
if(atWar(m_pPlayer->getTeam(), GET_PLAYER(pAdjacentPlot->getOwner()).getTeam()))
{
ImprovementTypes eImprovement = pAdjacentPlot->getImprovementType();
if(eImprovement != NO_IMPROVEMENT && GC.getImprovementInfo(eImprovement)->GetNearbyEnemyDamage() > 0)
{
m_pPlots[iI].SetSubjectToAttack(true);
break;
}
}
}
}
}
}
}
}
}
}