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65 lines
2 KiB
C++
65 lines
2 KiB
C++
#include "OcelotAttackGoal.h"
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#include <algorithm>
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#include "minecraft/world/entity/LivingEntity.h"
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#include "minecraft/world/entity/Mob.h"
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#include "minecraft/world/entity/ai/control/Control.h"
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#include "minecraft/world/entity/ai/control/LookControl.h"
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#include "minecraft/world/entity/ai/navigation/PathNavigation.h"
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#include "minecraft/world/entity/animal/Ocelot.h"
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#include "minecraft/world/phys/AABB.h"
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OcelotAttackGoal::OcelotAttackGoal(Mob* mob) {
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target = std::weak_ptr<LivingEntity>();
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attackTime = 0;
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speed = 0;
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trackTarget = false;
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this->mob = mob;
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this->level = mob->level;
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setRequiredControlFlags(Control::MoveControlFlag |
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Control::LookControlFlag);
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}
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bool OcelotAttackGoal::canUse() {
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std::shared_ptr<LivingEntity> bestTarget = mob->getTarget();
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if (bestTarget == nullptr) return false;
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target = std::weak_ptr<LivingEntity>(bestTarget);
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return true;
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}
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bool OcelotAttackGoal::canContinueToUse() {
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if (target.lock() == nullptr || !target.lock()->isAlive()) return false;
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if (mob->distanceToSqr(target.lock()) > 15 * 15) return false;
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return !mob->getNavigation()->isDone() || canUse();
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}
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void OcelotAttackGoal::stop() {
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target = std::weak_ptr<Mob>();
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mob->getNavigation()->stop();
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}
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void OcelotAttackGoal::tick() {
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mob->getLookControl()->setLookAt(target.lock(), 30, 30);
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double meleeRadiusSqr = (mob->bbWidth * 2) * (mob->bbWidth * 2);
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double distSqr = mob->distanceToSqr(target.lock()->x, target.lock()->bb.y0,
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target.lock()->z);
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double speedModifier = Ocelot::WALK_SPEED_MOD;
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if (distSqr > meleeRadiusSqr && distSqr < 4 * 4)
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speedModifier = Ocelot::SPRINT_SPEED_MOD;
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else if (distSqr < 15 * 15)
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speedModifier = Ocelot::SNEAK_SPEED_MOD;
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mob->getNavigation()->moveTo(target.lock(), speedModifier);
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attackTime = std::max(attackTime - 1, 0);
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if (distSqr > meleeRadiusSqr) return;
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if (attackTime > 0) return;
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attackTime = 20;
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mob->doHurtTarget(target.lock());
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}
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