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#include "stdafx.h"
#include "net.minecraft.world.entity.h"
#include "net.minecraft.world.entity.ai.control.h"
#include "net.minecraft.world.level.h"
#include "net.minecraft.world.phys.h"
#include "LookAtPlayerGoal.h"
LookAtPlayerGoal::LookAtPlayerGoal(Mob *mob, const type_info& lookAtType, float lookDistance) : lookAtType(lookAtType)
{
this->mob = mob;
this->lookDistance = lookDistance;
probability = 0.02f;
setRequiredControlFlags(Control::LookControlFlag);
lookTime = 0;
}
LookAtPlayerGoal::LookAtPlayerGoal(Mob *mob, const type_info& lookAtType, float lookDistance, float probability) : lookAtType(lookAtType)
{
this->mob = mob;
this->lookDistance = lookDistance;
this->probability = probability;
setRequiredControlFlags(Control::LookControlFlag);
lookTime = 0;
}
bool LookAtPlayerGoal::canUse()
{
if (mob->getRandom()->nextFloat() >= probability) return false;
if (mob->getTarget() != NULL)
{
lookAt = mob->getTarget();
}
if (lookAtType == typeid(Player))
{
lookAt = mob->level->getNearestPlayer(mob->shared_from_this(), lookDistance);
}
else
{
lookAt = weak_ptr<Entity>(mob->level->getClosestEntityOfClass(lookAtType, mob->bb->grow(lookDistance, 3, lookDistance), mob->shared_from_this()));
}
return lookAt.lock() != NULL;
}
bool LookAtPlayerGoal::canContinueToUse()
{
if (lookAt.lock() == NULL || !lookAt.lock()->isAlive()) return false;
if (mob->distanceToSqr(lookAt.lock()) > lookDistance * lookDistance) return false;
return lookTime > 0;
}
void LookAtPlayerGoal::start()
{
lookTime = 40 + mob->getRandom()->nextInt(40);
}
void LookAtPlayerGoal::stop()
{
lookAt = weak_ptr<Entity>();
}
void LookAtPlayerGoal::tick()
{
mob->getLookControl()->setLookAt(lookAt.lock()->x, lookAt.lock()->y + lookAt.lock()->getHeadHeight(), lookAt.lock()->z, 10, mob->getMaxHeadXRot());
--lookTime;
}
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