91 lines
2.7 KiB
C++
91 lines
2.7 KiB
C++
#include "stdafx.h"
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#include "net.minecraft.world.entity.ai.control.h"
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#include "net.minecraft.world.entity.ai.navigation.h"
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#include "net.minecraft.world.entity.ai.sensing.h"
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#include "net.minecraft.world.entity.projectile.h"
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#include "net.minecraft.world.entity.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 "SoundTypes.h"
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#include "ArrowAttackGoal.h"
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ArrowAttackGoal::ArrowAttackGoal(Mob *mob, float speed, int projectileType, int attackInterval)
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{
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// 4J Init
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target = weak_ptr<Mob>();
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attackTime = 0;
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seeTime = 0;
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this->mob = mob;
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this->level = mob->level;
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this->speed = speed;
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this->projectileType = projectileType;
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this->attackInterval = attackInterval;
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setRequiredControlFlags(Control::MoveControlFlag | Control::LookControlFlag);
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}
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bool ArrowAttackGoal::canUse()
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{
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shared_ptr<Mob> bestTarget = mob->getTarget();
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if (bestTarget == NULL) return false;
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target = weak_ptr<Mob>(bestTarget);
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return true;
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}
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bool ArrowAttackGoal::canContinueToUse()
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{
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return target.lock() != NULL && (canUse() || !mob->getNavigation()->isDone());
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}
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void ArrowAttackGoal::stop()
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{
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target = weak_ptr<Mob>();
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}
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void ArrowAttackGoal::tick()
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{
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double attackRadiusSqr = 10 * 10;
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shared_ptr<Mob> tar = target.lock();
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double targetDistSqr = mob->distanceToSqr(tar->x, tar->bb->y0, tar->z);
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bool canSee = mob->getSensing()->canSee(tar);
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if (canSee)
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{
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++seeTime;
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}
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else seeTime = 0;
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if (targetDistSqr > attackRadiusSqr || seeTime < 20) mob->getNavigation()->moveTo(tar, speed);
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else mob->getNavigation()->stop();
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mob->getLookControl()->setLookAt(tar, 30, 30);
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attackTime = max(attackTime - 1, 0);
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if (attackTime > 0) return;
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if (targetDistSqr > attackRadiusSqr || !canSee) return;
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fireAtTarget();
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attackTime = attackInterval;
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}
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void ArrowAttackGoal::fireAtTarget()
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{
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shared_ptr<Mob> tar = target.lock();
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if (projectileType == ArrowType)
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{
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shared_ptr<Arrow> arrow = shared_ptr<Arrow>( new Arrow(level, dynamic_pointer_cast<Mob>(mob->shared_from_this()), tar, 1.60f, 12) );
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level->playSound(mob->shared_from_this(), eSoundType_RANDOM_BOW, 1.0f, 1 / (mob->getRandom()->nextFloat() * 0.4f + 0.8f));
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level->addEntity(arrow);
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}
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else if (projectileType == SnowballType)
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{
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shared_ptr<Snowball> snowball = shared_ptr<Snowball>( new Snowball(level, dynamic_pointer_cast<Mob>(mob->shared_from_this())) );
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double xd = tar->x - mob->x;
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double yd = (tar->y + tar->getHeadHeight() - 1.1f) - snowball->y;
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double zd = tar->z - mob->z;
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float yo = sqrt(xd * xd + zd * zd) * 0.2f;
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snowball->shoot(xd, yd + yo, zd, 1.60f, 12);
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level->playSound(mob->shared_from_this(), eSoundType_RANDOM_BOW, 1.0f, 1 / (mob->getRandom()->nextFloat() * 0.4f + 0.8f));
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level->addEntity(snowball);
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}
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} |