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90 lines
3.1 KiB
C++
90 lines
3.1 KiB
C++
#include "../../Platform/stdafx.h"
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#include "../../Headers/net.minecraft.world.entity.h"
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#include "../../Headers/net.minecraft.world.entity.monster.h"
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#include "../../Headers/net.minecraft.world.level.h"
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#include "../../Headers/net.minecraft.world.entity.ai.control.h"
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#include "../Navigation/Path.h"
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#include "../../Headers/net.minecraft.world.entity.ai.navigation.h"
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#include "../../Headers/net.minecraft.world.entity.ai.sensing.h"
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#include "../../Headers/net.minecraft.world.phys.h"
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#include "MeleeAttackGoal.h"
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void MeleeAttackGoal::_init(PathfinderMob* mob, double speedModifier,
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bool trackTarget) {
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this->attackType = eTYPE_NOTSET;
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this->mob = mob;
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level = mob->level;
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this->speedModifier = speedModifier;
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this->trackTarget = trackTarget;
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setRequiredControlFlags(Control::MoveControlFlag |
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Control::LookControlFlag);
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attackTime = 0;
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path = nullptr;
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timeToRecalcPath = 0;
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}
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MeleeAttackGoal::MeleeAttackGoal(PathfinderMob* mob, eINSTANCEOF attackType,
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double speedModifier, bool trackTarget) {
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_init(mob, speedModifier, trackTarget);
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this->attackType = attackType;
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}
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MeleeAttackGoal::MeleeAttackGoal(PathfinderMob* mob, double speedModifier,
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bool trackTarget) {
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_init(mob, speedModifier, trackTarget);
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}
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MeleeAttackGoal::~MeleeAttackGoal() = default;
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bool MeleeAttackGoal::canUse() {
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std::shared_ptr<LivingEntity> target = mob->getTarget();
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if (target == NULL) return false;
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if (!target->isAlive()) return false;
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if (attackType != eTYPE_NOTSET && !target->instanceof (attackType))
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return false;
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path.reset(mob->getNavigation()->createPath(target));
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return path != nullptr;
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}
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bool MeleeAttackGoal::canContinueToUse() {
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std::shared_ptr<LivingEntity> target = mob->getTarget();
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if (target == NULL) return false;
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if (!target->isAlive()) return false;
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if (!trackTarget) return !mob->getNavigation()->isDone();
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if (!mob->isWithinRestriction(Mth::floor(target->x), Mth::floor(target->y),
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Mth::floor(target->z)))
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return false;
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return true;
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}
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void MeleeAttackGoal::start() {
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mob->getNavigation()->moveTo(path.release(), speedModifier);
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timeToRecalcPath = 0;
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}
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void MeleeAttackGoal::stop() { mob->getNavigation()->stop(); }
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void MeleeAttackGoal::tick() {
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std::shared_ptr<LivingEntity> target = mob->getTarget();
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mob->getLookControl()->setLookAt(target, 30, 30);
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if (trackTarget || mob->getSensing()->canSee(target)) {
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if (--timeToRecalcPath <= 0) {
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timeToRecalcPath = 4 + mob->getRandom()->nextInt(7);
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mob->getNavigation()->moveTo(target, speedModifier);
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}
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}
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attackTime = std::max(attackTime - 1, 0);
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double meleeRadiusSqr =
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(mob->bbWidth * 2) * (mob->bbWidth * 2) + target->bbWidth;
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if (mob->distanceToSqr(target->x, target->bb->y0, target->z) >
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meleeRadiusSqr)
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return;
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if (attackTime > 0) return;
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attackTime = 20;
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if (mob->getCarriedItem() != NULL) mob->swing();
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mob->doHurtTarget(target);
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}
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