65 lines
1.6 KiB
C++
65 lines
1.6 KiB
C++
#include "stdafx.h"
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#include "net.minecraft.world.entity.animal.h"
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#include "net.minecraft.world.entity.ai.navigation.h"
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#include "net.minecraft.world.level.h"
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#include "net.minecraft.world.phys.h"
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#include "BasicTypeContainers.h"
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#include "FollowParentGoal.h"
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FollowParentGoal::FollowParentGoal(Animal *animal, float speed)
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{
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timeToRecalcPath = 0;
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this->animal = animal;
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this->speed = speed;
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}
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bool FollowParentGoal::canUse()
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{
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if (animal->getAge() >= 0) return false;
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vector<shared_ptr<Entity> > *parents = animal->level->getEntitiesOfClass(typeid(*animal), animal->bb->grow(8, 4, 8));
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shared_ptr<Animal> closest = nullptr;
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double closestDistSqr = Double::MAX_VALUE;
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for(AUTO_VAR(it, parents->begin()); it != parents->end(); ++it)
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{
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shared_ptr<Animal> parent = dynamic_pointer_cast<Animal>(*it);
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if (parent->getAge() < 0) continue;
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double distSqr = animal->distanceToSqr(parent);
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if (distSqr > closestDistSqr) continue;
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closestDistSqr = distSqr;
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closest = parent;
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}
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delete parents;
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if (closest == NULL) return false;
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if (closestDistSqr < 3 * 3) return false;
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parent = weak_ptr<Animal>(closest);
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return true;
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}
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bool FollowParentGoal::canContinueToUse()
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{
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if (parent.lock() == NULL || !parent.lock()->isAlive()) return false;
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double distSqr = animal->distanceToSqr(parent.lock());
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if (distSqr < 3 * 3 || distSqr > 16 * 16) return false;
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return true;
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}
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void FollowParentGoal::start()
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{
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timeToRecalcPath = 0;
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}
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void FollowParentGoal::stop()
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{
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parent = weak_ptr<Animal>();
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}
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void FollowParentGoal::tick()
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{
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if (--timeToRecalcPath > 0) return;
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timeToRecalcPath = 10;
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animal->getNavigation()->moveTo(parent.lock(), speed);
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} |