/// Update military Power
void CvUnitEntry::DoUpdatePower()
{
int iPower;
// ***************
// Main Factors - Strength & Moves
// ***************
// We want a Unit that has twice the strength to be roughly worth 3x as much with regards to Power
iPower = int(pow((double) GetCombat(), 1.5));
// Ranged Strength
int iRangedStrength = int(pow((double) GetRangedCombat(), 1.45));
// Naval ranged attacks are less useful
if(GetDomainType() == DOMAIN_SEA)
{
iRangedStrength /= 2;
}
if(iRangedStrength > 0)
{
iPower = iRangedStrength;
}
// We want Movement rate to be important, but not a dominating factor; a Unit with double the moves of a similarly-strengthed Unit should be ~1.5x as Powerful
iPower = int((float) iPower * pow((double) GetMoves(), 0.3));
// ***************
// Other modifiers
// ***************
// Suicide Units are obviously less useful
if(IsSuicide())
{
iPower /= 2;
}
// Nukes are cool
if(GetNukeDamageLevel() > 0)
{
iPower += 4000;
}
// ***************
// Promotion modifiers
// ***************
int iTemp;
int iLoop;
for(int iPromotionLoop = 0; iPromotionLoop < GC.getNumPromotionInfos(); iPromotionLoop++)
{
CvPromotionEntry* kPromotion = GC.getPromotionInfo((PromotionTypes)iPromotionLoop);
if(kPromotion == NULL)
continue;
if(GetFreePromotions(iPromotionLoop))
{
// City Attack - add half of the bonus
if(kPromotion->GetCityAttackPercent() > 0)
{
iTemp = (iPower * kPromotion->GetCityAttackPercent() / 2);
iTemp /= 100;
iPower += iTemp;
}
// Attack - add half of the bonus
if(kPromotion->GetAttackMod() > 0)
{
iTemp = (iPower * kPromotion->GetAttackMod() / 2);
iTemp /= 100;
iPower += iTemp;
}
// Defense - add half of the bonus
if(kPromotion->GetDefenseMod() > 0)
{
iTemp = (iPower * kPromotion->GetDefenseMod() / 2);
iTemp /= 100;
iPower += iTemp;
}
// Paradrop - add 25%
if(kPromotion->GetDropRange() > 0)
{
iTemp = iPower;
iTemp /= 4;
iPower += iTemp;
}
// Blitz - add 20%
if(kPromotion->IsBlitz())
{
iTemp = iPower;
iTemp /= 5;
iPower += iTemp;
}
// Set Up For Ranged Attack - reduce by 20%
if(kPromotion->IsMustSetUpToRangedAttack())
{
iTemp = iPower;
iTemp /= 5;
iPower -= iTemp;
}
// Only Defensive - reduce by 25%, but only if the Unit has no ranged capability
if(kPromotion->IsOnlyDefensive() && GetRangedCombat() == 0)
{
iTemp = iPower;
iTemp /= 4;
iPower -= iTemp;
}
for(iLoop = 0; iLoop < GC.getNumTerrainInfos(); iLoop++)
{
// Terrain Attack - add one quarter of the bonus
if(kPromotion->GetTerrainAttackPercent(iLoop) > 0)
{
iTemp = (iPower * kPromotion->GetTerrainAttackPercent(iLoop) / 4);
iTemp /= 100;
iPower += iTemp;
}
// Terrain Defense - add one quarter of the bonus
if(kPromotion->GetTerrainDefensePercent(iLoop) > 0)
{
iTemp = (iPower * kPromotion->GetTerrainDefensePercent(iLoop) / 4);
iTemp /= 100;
iPower += iTemp;
}
}
for(iLoop = 0; iLoop < GC.getNumFeatureInfos(); iLoop++)
{
// Feature Attack - add one quarter of the bonus
if(kPromotion->GetFeatureAttackPercent(iLoop) > 0)
{
iTemp = (iPower * kPromotion->GetFeatureAttackPercent(iLoop) / 4);
iTemp /= 100;
iPower += iTemp;
}
// Feature Defense - add one quarter of the bonus
if(kPromotion->GetFeatureDefensePercent(iLoop) > 0)
{
iTemp = (iPower * kPromotion->GetFeatureDefensePercent(iLoop) / 4);
iTemp /= 100;
iPower += iTemp;
}
}
for(iLoop = 0; iLoop < GC.getNumUnitCombatClassInfos(); iLoop++)
{
// Unit Combat Class (e.g. Pikemen) - add one quarter of the bonus
if(kPromotion->GetUnitCombatModifierPercent(iLoop) > 0)
{
iTemp = (iPower * kPromotion->GetUnitCombatModifierPercent(iLoop) / 4);
iTemp /= 100;
iPower += iTemp;
}
}
for(iLoop = 0; iLoop < GC.getNumUnitClassInfos(); iLoop++)
{
// Unit Class (e.g. bonus ONLY against Galleys) - add one eighth of the bonus
// We're assuming here that the bonus against the other Unit is at least going to be somewhat useful - trust the XML! :o
if(kPromotion->GetUnitClassModifierPercent(iLoop) > 0)
{
iTemp = (iPower * kPromotion->GetUnitClassModifierPercent(iLoop) / 8);
iTemp /= 100;
iPower += iTemp;
}
// Unit Class Attack - one tenth of the bonus
if(kPromotion->GetUnitClassAttackModifier(iLoop) > 0)
{
iTemp = (iPower * kPromotion->GetUnitClassAttackModifier(iLoop) / 10);
iTemp /= 100;
iPower += iTemp;
}
// Unit Class Defense - one tenth of the bonus
if(kPromotion->GetUnitClassDefenseModifier(iLoop) > 0)
{
iTemp = (iPower * kPromotion->GetUnitClassDefenseModifier(iLoop) / 10);
iTemp /= 100;
iPower += iTemp;
}
}
for(iLoop = 0; iLoop < NUM_DOMAIN_TYPES; iLoop++)
{
// Domain - add one quarter of the bonus
if(kPromotion->GetDomainModifierPercent(iLoop) > 0)
{
iTemp = (iPower * kPromotion->GetDomainModifierPercent(iLoop) / 4);
iTemp /= 100;
iPower += iTemp;
}
}
}
}
// Debug output
//char temp[256];
//sprintf(temp, "%s: %i\n", GetDescription(), iPower);
//OutputDebugString(temp);
m_iCachedPower = iPower;
}
bool isPromotionValid(PromotionTypes ePromotion, UnitTypes eUnit, bool bLeader, bool bTestingPrereq)
{
CvUnitEntry* unitInfo = GC.getUnitInfo(eUnit);
CvPromotionEntry* promotionInfo = GC.getPromotionInfo(ePromotion);
if(unitInfo == NULL || promotionInfo == NULL)
return false;
// Can this Promotion not be chosen through normal leveling?
if(!bTestingPrereq && promotionInfo->IsCannotBeChosen())
{
return false;
}
// If a Unit gets a Promotion for free then hand it out, no questions asked
if(unitInfo->GetFreePromotions(ePromotion))
{
return true;
}
// If this isn't a combat Unit, no Promotion
if(unitInfo->GetUnitCombatType() == NO_UNITCOMBAT)
{
return false;
}
// Is this a valid Promotion for the UnitCombatType?
if(!::IsPromotionValidForUnitCombatType(ePromotion, eUnit))
{
return false;
}
if(!bLeader && promotionInfo->IsLeader())
{
return false;
}
// If the Unit only has one move then Blitz is not useful
if(unitInfo->GetMoves() == 1)
{
if(promotionInfo->IsBlitz())
{
return false;
}
}
// Promotion Prereqs
if(NO_PROMOTION != promotionInfo->GetPrereqPromotion())
{
if(!isPromotionValid((PromotionTypes)promotionInfo->GetPrereqPromotion(), eUnit, bLeader, true))
{
return false;
}
}
PromotionTypes ePrereq1 = (PromotionTypes)promotionInfo->GetPrereqOrPromotion1();
PromotionTypes ePrereq2 = (PromotionTypes)promotionInfo->GetPrereqOrPromotion2();
PromotionTypes ePrereq3 = (PromotionTypes)promotionInfo->GetPrereqOrPromotion3();
PromotionTypes ePrereq4 = (PromotionTypes)promotionInfo->GetPrereqOrPromotion4();
PromotionTypes ePrereq5 = (PromotionTypes)promotionInfo->GetPrereqOrPromotion5();
PromotionTypes ePrereq6 = (PromotionTypes)promotionInfo->GetPrereqOrPromotion6();
PromotionTypes ePrereq7 = (PromotionTypes)promotionInfo->GetPrereqOrPromotion7();
PromotionTypes ePrereq8 = (PromotionTypes)promotionInfo->GetPrereqOrPromotion8();
PromotionTypes ePrereq9 = (PromotionTypes)promotionInfo->GetPrereqOrPromotion9();
if(ePrereq1 != NO_PROMOTION ||
ePrereq2 != NO_PROMOTION ||
ePrereq3 != NO_PROMOTION ||
ePrereq4 != NO_PROMOTION ||
ePrereq5 != NO_PROMOTION ||
ePrereq6 != NO_PROMOTION ||
ePrereq7 != NO_PROMOTION ||
ePrereq8 != NO_PROMOTION ||
ePrereq9 != NO_PROMOTION)
{
bool bValid = false;
if(!bValid)
{
if(NO_PROMOTION != ePrereq1 && isPromotionValid(ePrereq1, eUnit, bLeader, true))
{
bValid = true;
}
}
if(!bValid)
{
if(NO_PROMOTION != ePrereq2 && isPromotionValid(ePrereq2, eUnit, bLeader, true))
{
bValid = true;
}
}
if(!bValid)
{
if(NO_PROMOTION != ePrereq3 && isPromotionValid(ePrereq3, eUnit, bLeader, true))
{
bValid = true;
}
}
if(!bValid)
{
if(NO_PROMOTION != ePrereq4 && isPromotionValid(ePrereq4, eUnit, bLeader, true))
{
bValid = true;
}
}
if(!bValid)
{
if(NO_PROMOTION != ePrereq5 && isPromotionValid(ePrereq5, eUnit, bLeader, true))
{
bValid = true;
}
}
if(!bValid)
{
if(NO_PROMOTION != ePrereq6 && isPromotionValid(ePrereq6, eUnit, bLeader, true))
{
bValid = true;
}
}
if(!bValid)
{
if(NO_PROMOTION != ePrereq7 && isPromotionValid(ePrereq7, eUnit, bLeader, true))
{
bValid = true;
}
}
if(!bValid)
{
if(NO_PROMOTION != ePrereq8 && isPromotionValid(ePrereq8, eUnit, bLeader, true))
{
bValid = true;
}
}
if(!bValid)
{
if(NO_PROMOTION != ePrereq9 && isPromotionValid(ePrereq9, eUnit, bLeader, true))
{
bValid = true;
}
}
if(!bValid)
{
return false;
}
}
return true;
}