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vcmi/AI/Nullkiller/Helpers/ArmyFormation.cpp
Andrii Danylchenko 683c363946 NKAI: whirlpool
2024-07-21 17:20:54 +03:00

79 lines
2.0 KiB
C++

/*
* ArmyFormation.cpp, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
#include "StdInc.h"
#include "ArmyFormation.h"
#include "../../../lib/mapObjects/CGTownInstance.h"
namespace NKAI
{
void ArmyFormation::rearrangeArmyForWhirlpool(const CGHeroInstance * hero)
{
addSingleCreatureStacks(hero);
}
void ArmyFormation::addSingleCreatureStacks(const CGHeroInstance * hero)
{
auto freeSlots = hero->getFreeSlotsQueue();
while(!freeSlots.empty())
{
auto weakestCreature = vstd::minElementByFun(hero->Slots(), [](const std::pair<SlotID, CStackInstance *> & slot) -> int
{
return slot.second->getCount() == 1
? std::numeric_limits<int>::max()
: slot.second->getCreatureID().toCreature()->getAIValue();
});
if(weakestCreature == hero->Slots().end() || weakestCreature->second->getCount() == 1)
{
break;
}
cb->splitStack(hero, hero, weakestCreature->first, freeSlots.front(), 1);
freeSlots.pop();
}
}
void ArmyFormation::rearrangeArmyForSiege(const CGTownInstance * town, const CGHeroInstance * attacker)
{
addSingleCreatureStacks(attacker);
if(town->fortLevel() > CGTownInstance::FORT)
{
std::vector<CStackInstance *> stacks;
for(auto slot : attacker->Slots())
stacks.push_back(slot.second);
boost::sort(
stacks,
[](CStackInstance * slot1, CStackInstance * slot2) -> bool
{
auto cre1 = slot1->getCreatureID().toCreature();
auto cre2 = slot2->getCreatureID().toCreature();
auto flying = cre1->hasBonusOfType(BonusType::FLYING) - cre2->hasBonusOfType(BonusType::FLYING);
if(flying != 0) return flying < 0;
else return cre1->getAIValue() < cre2->getAIValue();
});
for(int i = 0; i < stacks.size(); i++)
{
auto pos = vstd::findKey(attacker->Slots(), stacks[i]);
if(pos.getNum() != i)
cb->swapCreatures(attacker, attacker, static_cast<SlotID>(i), pos);
}
}
}
}