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47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
#include "SwellGoal.h"
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#include "minecraft/world/entity/LivingEntity.h"
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#include "minecraft/world/entity/ai/control/Control.h"
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#include "minecraft/world/entity/ai/navigation/PathNavigation.h"
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#include "minecraft/world/entity/ai/sensing/Sensing.h"
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#include "minecraft/world/entity/monster/Creeper.h"
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SwellGoal::SwellGoal(Creeper* creeper) {
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target = std::weak_ptr<LivingEntity>();
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this->creeper = creeper;
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setRequiredControlFlags(Control::MoveControlFlag);
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}
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bool SwellGoal::canUse() {
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std::shared_ptr<LivingEntity> target = creeper->getTarget();
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return creeper->getSwellDir() > 0 ||
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(target != nullptr && (creeper->distanceToSqr(target) < 3 * 3));
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}
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void SwellGoal::start() {
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creeper->getNavigation()->stop();
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target = std::weak_ptr<LivingEntity>(creeper->getTarget());
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}
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void SwellGoal::stop() { target = std::weak_ptr<LivingEntity>(); }
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void SwellGoal::tick() {
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if (target.lock() == nullptr) {
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creeper->setSwellDir(-1);
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return;
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}
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if (creeper->distanceToSqr(target.lock()) > 7 * 7) {
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creeper->setSwellDir(-1);
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return;
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}
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if (!creeper->getSensing()->canSee(target.lock())) {
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creeper->setSwellDir(-1);
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return;
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}
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creeper->setSwellDir(1);
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}
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