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