C++ CvPromotionEntry::IsBlitz方法代码示例

/// 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;
			}

//.........这里部分代码省略.........

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)
//.........这里部分代码省略.........