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vcmi/AI/Nullkiller/Engine/Nullkiller.cpp
2021-07-26 21:02:50 +03:00

138 lines
3.1 KiB
C++

/*
* Nullkiller.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 "Nullkiller.h"
#include "../VCAI.h"
#include "../AIhelper.h"
#include "../Behaviors/CaptureObjectsBehavior.h"
#include "../Behaviors/RecruitHeroBehavior.h"
#include "../Behaviors/BuyArmyBehavior.h"
#include "../Behaviors/StartupBehavior.h"
#include "../Behaviors/DefenceBehavior.h"
#include "../Goals/Invalid.h"
extern boost::thread_specific_ptr<CCallback> cb;
extern boost::thread_specific_ptr<VCAI> ai;
Nullkiller::Nullkiller()
{
priorityEvaluator.reset(new PriorityEvaluator());
dangerHitMap.reset(new DangerHitMapAnalyzer());
}
Goals::TSubgoal Nullkiller::choseBestTask(Goals::TGoalVec & tasks) const
{
Goals::TSubgoal bestTask = *vstd::maxElementByFun(tasks, [](Goals::TSubgoal goal) -> float{
return goal->priority;
});
return bestTask;
}
Goals::TSubgoal Nullkiller::choseBestTask(std::shared_ptr<Behavior> behavior) const
{
logAi->debug("Checking behavior %s", behavior->toString());
auto tasks = behavior->getTasks();
if(tasks.empty())
{
logAi->debug("Behavior %s found no tasks", behavior->toString());
return Goals::sptr(Goals::Invalid());
}
logAi->trace("Evaluating priorities, tasks count %d", tasks.size());
for(auto task : tasks)
{
task->setpriority(priorityEvaluator->evaluate(task));
}
auto task = choseBestTask(tasks);
logAi->debug("Behavior %s returns %s(%s), priority %f", behavior->toString(), task->name(), task->tile.toString(), task->priority);
return task;
}
void Nullkiller::resetAiState()
{
lockedHeroes.clear();
dangerHitMap->updateHitMap();
}
void Nullkiller::updateAiState()
{
ai->validateVisitableObjs();
// TODO: move to hero manager
auto activeHeroes = ai->getMyHeroes();
vstd::erase_if(activeHeroes, [&](const HeroPtr & hero) -> bool{
return vstd::contains(lockedHeroes, hero);
});
ai->ah->updatePaths(activeHeroes, true);
ai->ah->updateHeroRoles();
}
void Nullkiller::makeTurn()
{
resetAiState();
while(true)
{
updateAiState();
Goals::TGoalVec bestTasks = {
choseBestTask(std::make_shared<BuyArmyBehavior>()),
choseBestTask(std::make_shared<CaptureObjectsBehavior>()),
choseBestTask(std::make_shared<RecruitHeroBehavior>()),
choseBestTask(std::make_shared<DefenceBehavior>())
};
if(cb->getDate(Date::DAY) == 1)
{
bestTasks.push_back(choseBestTask(std::make_shared<StartupBehavior>()));
}
Goals::TSubgoal bestTask = choseBestTask(bestTasks);
if(bestTask->invalid())
{
logAi->trace("No goals found. Ending turn.");
return;
}
logAi->debug("Trying to realize %s (value %2.3f)", bestTask->name(), bestTask->priority);
try
{
activeHero = bestTask->hero;
bestTask->accept(ai.get());
}
catch(goalFulfilledException &)
{
logAi->trace(bestTask->completeMessage());
}
catch(std::exception & e)
{
logAi->debug("Failed to realize subgoal of type %s, I will stop.", bestTask->name());
logAi->debug("The error message was: %s", e.what());
return;
}
}
}