PHP Vector3::add方法代码示例

 public function onUpdate($currentTick)
 {
     if ($this->closed !== false) {
         return false;
     }
     $this->lastUpdate = $currentTick;
     $this->timings->startTiming();
     $hasUpdate = true;
     //parent::onUpdate($currentTick);
     if ($this->isAlive()) {
         $expectedPos = new Vector3($this->x + $this->motionX, $this->y + $this->motionY, $this->z + $this->motionZ);
         $expBlock0 = $this->getLevel()->getBlock($expectedPos->add(0, -1, 0)->round());
         $expBlock1 = $this->getLevel()->getBlock($expectedPos->add(0, 0, 0)->round());
         if ($expBlock0->getId() == 0) {
             $this->motionY -= $this->gravity;
             //重力计算
             $this->motionX = 0;
             $this->motionZ = 0;
         } else {
             $this->motionY = 0;
         }
         if ($expBlock1->getId() != 0) {
             $this->motionY += 0.1;
         }
         $this->move($this->motionX, $this->motionY, $this->motionZ);
         if ($this->isFreeMoving) {
             $this->motionX = 0;
             $this->motionZ = 0;
             $this->isFreeMoving = false;
         }
         /*$friction = 1 - $this->drag;
         
         			$this->motionX *= $friction;
         			$this->motionY *= 1 - $this->drag;
         			$this->motionZ *= $friction;*/
         $f = sqrt($this->motionX ** 2 + $this->motionZ ** 2);
         $this->yaw = -atan2($this->motionX, $this->motionZ) * 180 / M_PI;
         //视角计算
         //$this->pitch = (-atan2($f, $this->motionY) * 180 / M_PI);
         $this->updateMovement();
     }
     $this->timings->stopTiming();
     return $hasUpdate or !$this->onGround or abs($this->motionX) > 1.0E-5 or abs($this->motionY) > 1.0E-5 or abs($this->motionZ) > 1.0E-5;
 }

 public function onUpdate($currentTick)
 {
     if ($this->closed == true || $this->dead == true || ($target = $this->target) == null || $target->dead || $this->player instanceof Player && !$this->player->spawned) {
         if (!$this->closed) {
             parent::close();
         }
         $this->dead = true;
         return false;
     } else {
         $dis = sqrt(pow($dZ = $target->z - $this->z, 2) + pow($dX = $target->x - $this->x, 2));
         if ($this->isHead) {
             $bb = clone $this->getBoundingBox();
             $this->timings->startTiming();
             $tickDiff = max(1, $currentTick - $this->lastUpdate);
             $this->lastUpdate = $currentTick;
             $hasUpdate = $this->entityBaseTick($tickDiff);
             if ($this->getLevel()->getFolderName() !== $target->getLevel()->getFolderName()) {
                 $this->teleport($target);
             }
             $onGround = count($this->level->getCollisionBlocks($bb->offset(0, -$this->gravity, 0))) > 0;
             $x = cos($at2 = atan2($dZ, $dX)) * $this->speed;
             $z = sin($at2) * $this->speed;
             $y = 0;
             $bb->offset(0, $this->gravity, 0);
             $isJump = count($this->level->getCollisionBlocks($bb->grow(0, 0, 0)->offset($x, 1, $z))) <= 0;
             if (count($this->level->getCollisionBlocks($bb->grow(0, 0, 0)->offset(0, 0, $z))) > 0) {
                 $z = 0;
                 if ($isJump) {
                     $y = $this->gravity;
                 }
             }
             if (count($this->level->getCollisionBlocks($bb->grow(0, 0, 0)->offset($x, 0, 0))) > 0) {
                 $x = 0;
                 if ($isJump) {
                     $y = $this->gravity;
                 }
             }
             if (!$this->isFallow || $dis < $this->distance) {
                 $x = 0;
                 $z = 0;
             }
             if ($this->isFallow && $dis > 20) {
                 $this->updateMove($target);
                 if ($target instanceof Player) {
                     $target->sendMessage("[MobPet] 같이가요 ");
                 }
                 return true;
             } elseif (!$isJump && $target->y > $this->y - ($target instanceof Player ? 0.5 : 0)) {
                 if ($this->jumpTick <= 0) {
                     $this->jumpTick = 40;
                 } elseif ($this->jumpTick > 36) {
                     $y = $this->gravity;
                 }
             }
             if ($this->jumpTick > 0) {
                 $this->jumpTick--;
             }
             if (($n = floor($this->y) - $this->y) < $this->gravity && $n > 0) {
                 $y = -$n;
             }
             if ($y == 0 && !$onGround) {
                 $y = -$this->gravity;
             }
             $block = $this->level->getBlock($this->add($vec = new Vector3($x, $y, $z)));
             if ($block->hasEntityCollision()) {
                 $block->addVelocityToEntity($this, $vec2 = $vec->add(0, $this->gravity, 0));
                 $vec->x = ($vec->x + $vec2->x / 2) / 5;
                 $vec->y = $vec->y + $vec2->y / 2;
                 $vec->z = ($vec->z + $vec2->z / 2) / 5;
             }
             if (count($this->level->getCollisionBlocks($bb->offset(0, -0.01, 0))) <= 0) {
                 $y -= 0.01;
             }
             $this->updateMove($vec->add(new Vector3(($this->boundingBox->minX + $this->boundingBox->maxX - $this->drag) / 2, ($this->boundingBox->minY + $this->boundingBox->maxY) / 2, ($this->boundingBox->minZ + $this->boundingBox->maxZ - $this->drag) / 2)));
             $this->onGround = $onGround;
         } else {
             $x = cos($at2 = atan2($dZ, $dX)) * $this->distance;
             $z = sin($at2) * $this->distance;
             $this->updateMove($target->add(-$x, 0, -$z));
         }
     }
     return true;
 }

 public function updateMove(int $tickDiff)
 {
     if (!$this->isMovement()) {
         return null;
     }
     if ($this->isKnockback()) {
         $this->move($this->motionX * $tickDiff, $this->motionY, $this->motionZ * $tickDiff);
         $this->motionY -= 0.15 * $tickDiff;
         $this->updateMovement();
         return null;
     }
     $before = $this->baseTarget;
     $this->checkTarget();
     if ($this->baseTarget instanceof Creature or $before !== $this->baseTarget) {
         $x = $this->baseTarget->x - $this->x;
         $y = $this->baseTarget->y - $this->y;
         $z = $this->baseTarget->z - $this->z;
         if ($this->stayTime > 0 || $x ** 2 + $z ** 2 < 0.7) {
             $this->motionX = 0;
             $this->motionZ = 0;
         } else {
             $diff = abs($x) + abs($z);
             $this->motionX = $this->getSpeed() * 0.15 * ($x / $diff);
             $this->motionZ = $this->getSpeed() * 0.15 * ($z / $diff);
         }
         $this->yaw = -atan2($this->motionX, $this->motionZ) * 180 / M_PI;
         $this->pitch = $y == 0 ? 0 : rad2deg(-atan2($y, sqrt($x ** 2 + $z ** 2)));
     }
     $target = $this->mainTarget != null ? $this->mainTarget : $this->baseTarget;
     if ($this->stayTime > 0) {
         $this->stayTime -= 1;
     } else {
         $isJump = false;
         $dx = $this->motionX * $tickDiff;
         $dy = $this->motionY * $tickDiff;
         $dz = $this->motionZ * $tickDiff;
         $be = new Vector2($this->x + $dx, $this->z + $dz);
         $this->move($dx, $dy, $dz);
         $af = new Vector2($this->x, $this->z);
         if ($be->x != $af->x || $be->y != $af->y) {
             $x = 0;
             $z = 0;
             if ($be->x - $af->x != 0) {
                 $x += $be->x - $af->x > 0 ? 1 : -1;
             }
             if ($be->y - $af->y != 0) {
                 $z += $be->y - $af->y > 0 ? 1 : -1;
             }
             $vec = new Vector3(Math::floorFloat($be->x), (int) $this->y, Math::floorFloat($be->y));
             $block = $this->level->getBlock($vec->add($x, 0, $z));
             $block2 = $this->level->getBlock($vec->add($x, 1, $z));
             if (!$block->canPassThrough()) {
                 $bb = $block2->getBoundingBox();
                 if ($this->motionY > -$this->gravity * 4 && ($block2->canPassThrough() || ($bb == null || $bb != null && $bb->maxY - $this->y <= 1))) {
                     $isJump = true;
                     if ($this->motionY >= 0.3) {
                         $this->motionY += $this->gravity;
                     } else {
                         $this->motionY = 0.3;
                     }
                 } elseif ($this->level->getBlock($vec)->getId() == Item::LADDER) {
                     $isJump = true;
                     $this->motionY = 0.15;
                 }
             }
             if (!$isJump) {
                 $this->moveTime -= 90 * $tickDiff;
             }
         }
         if ($this->onGround && !$isJump) {
             $this->motionY = 0;
         } elseif (!$isJump) {
             if ($this->motionY > -$this->gravity * 4) {
                 $this->motionY = -$this->gravity * 4;
             } else {
                 $this->motionY -= $this->gravity;
             }
         }
     }
     $this->updateMovement();
     return $target;
 }

 /**
  * 高密集型发包计时器
  * - 发送数据包
  * - 计算自由落体相关数据
  * 循环间隔：1 tick
  */
 public function ZombieRandomWalk()
 {
     foreach ($this->AIHolder->getServer()->getLevels() as $level) {
         foreach ($level->getEntities() as $zo) {
             if ($zo instanceof Zombie) {
                 if (isset($this->AIHolder->pigzombie[$zo->getId()])) {
                     $zom =& $this->AIHolder->pigzombie[$zo->getId()];
                     if ($zom['canAttack'] != 0) {
                         $zom['canAttack'] -= 1;
                     }
                     $pos = $zo->getLocation();
                     //echo ($zom['IsChasing']."\n");
                     //真正的自由落体 by boybook
                     if ($zom['drop'] !== false) {
                         $olddrop = $zom['drop'];
                         $zom['drop'] += 0.5;
                         $drop = $zom['drop'];
                         //echo $drop."\n";
                         $dropy = $zo->getY() - ($olddrop * 0.05 + 0.0125);
                         $posd0 = new Vector3(floor($zo->getX()), floor($dropy), floor($zo->getZ()));
                         $posd = new Vector3($zo->getX(), $dropy, $zo->getZ());
                         if ($this->AIHolder->whatBlock($zo->getLevel(), $posd0) == "air") {
                             $zo->setPosition($posd->add(0, -1, 0));
                             //下降
                         } else {
                             for ($i = 1; $i <= $drop; $i++) {
                                 $posd0->y++;
                                 if ($this->AIHolder->whatBlock($zo->getLevel(), $posd0) != "block") {
                                     $posd->y = $posd0->y;
                                     $zo->setPosition($posd->add(0, -1, 0));
                                     //下降完成
                                     $h = $zom['drop'] * $zom['drop'] / 20;
                                     $damage = $h - 3;
                                     //echo($h . ": " . $damage . "\n");
                                     if ($damage > 0) {
                                         //$zo->attack($damage, EntityDamageEvent::CAUSE_FALL);
                                         $zo->setHealth($zo->getHealth() - $damage);
                                     }
                                     $zom['drop'] = false;
                                     break;
                                 }
                             }
                         }
                     } else {
                         $drop = 0;
                     }
                     if ($zom['IsChasing'] !== false) {
                         if (!$zom['knockBack']) {
                             //echo $zy;
                             $zom['up'] = 0;
                             if ($this->AIHolder->whatBlock($level, $pos) == "water") {
                                 $zom['swim'] += 1;
                                 if ($zom['swim'] >= 20) {
                                     $zom['swim'] = 0;
                                 }
                             } else {
                                 $zom['swim'] = 0;
                             }
                             //echo("目标:".$zo->getY()." ");
                             //echo("原先:".$zom['oldv3']->y."\n");
                             if (abs($zo->getY() - $zom['oldv3']->y) == 1 and $zom['canjump'] === true) {
                                 //var_dump("跳");
                                 $zom['canjump'] = false;
                                 $zom['jump'] = 0.5;
                             } else {
                                 if ($zom['jump'] > 0.01) {
                                     $zom['jump'] -= 0.1;
                                 } else {
                                     $zom['jump'] = 0.01;
                                 }
                             }
                             $pk3 = new SetEntityMotionPacket();
                             $pk3->entities = [[$zo->getID(), $zom['xxx'] / 10, -$zom['swim'] / 100 + $zom['jump'] - $drop, $zom['zzz'] / 10]];
                             foreach ($zo->getViewers() as $pl) {
                                 $pl->dataPacket($pk3);
                             }
                             $p = $this->AIHolder->getServer()->getPlayer($zom['IsChasing']);
                             if ($p instanceof Player) {
                                 if ($p->distance($pos) <= 1.3) {
                                     //僵尸的火焰点燃人类
                                     if ($zo->fireTicks > 0) {
                                         $p->setOnFire(1);
                                     }
                                 }
                                 if ($p->distance($pos) <= 1.5) {
                                     if ($zom['canAttack'] == 0) {
                                         $zom['canAttack'] = 20;
                                         //@$p->knockBack($zo, 0, $zom['xxx'] / 10, $zom['zzz'] / 10);
                                         if ($p->isSurvival()) {
                                             $zoDamage = $this->AIHolder->getZombieDamage($zo->getHealth());
                                             $damage = $this->AIHolder->getPlayerDamage($p, $zoDamage);
                                             //echo $zoDamage."-".$damage."\n";
                                             $p->attack($damage, new EntityDamageByEntityEvent($zo, $p, EntityDamageEvent::CAUSE_ENTITY_ATTACK, $damage));
                                         }
//.........这里部分代码省略.........

//.........这里部分代码省略.........
             } else {
                 $packet->yaw %= 360;
                 $packet->pitch %= 360;
                 if ($packet->yaw < 0) {
                     $packet->yaw += 360;
                 }
                 $this->setRotation($packet->yaw, $packet->pitch);
                 $this->newPosition = $newPos;
             }
             $this->forceMovement = null;
             break;
         case ProtocolInfo::MOB_EQUIPMENT_PACKET:
             if ($this->spawned === false or !$this->isAlive()) {
                 break;
             }
             /**
              * Handle hotbar slot remapping
              * This is the only time and place when hotbar mapping should ever be changed.
              * Changing hotbar slot mapping at will has been deprecated because it causes far too many
              * issues with Windows 10 Edition Beta.
              */
             $this->inventory->setHeldItemIndex($packet->selectedSlot, false, $packet->slot);
             $this->setDataFlag(self::DATA_FLAGS, self::DATA_FLAG_ACTION, false);
             break;
         case ProtocolInfo::USE_ITEM_PACKET:
             if ($this->spawned === false or !$this->isAlive() or $this->blocked) {
                 break;
             }
             $blockVector = new Vector3($packet->x, $packet->y, $packet->z);
             $this->craftingType = self::CRAFTING_SMALL;
             if ($packet->face >= 0 and $packet->face <= 5) {
                 //Use Block, place
                 $this->setDataFlag(self::DATA_FLAGS, self::DATA_FLAG_ACTION, false);
                 if (!$this->canInteract($blockVector->add(0.5, 0.5, 0.5), 13) or $this->isSpectator()) {
                 } elseif ($this->isCreative()) {
                     $item = $this->inventory->getItemInHand();
                     if ($this->level->useItemOn($blockVector, $item, $packet->face, $packet->fx, $packet->fy, $packet->fz, $this) === true) {
                         break;
                     }
                 } elseif (!$this->inventory->getItemInHand()->deepEquals($packet->item)) {
                     $this->inventory->sendHeldItem($this);
                 } else {
                     $item = $this->inventory->getItemInHand();
                     $oldItem = clone $item;
                     if ($this->level->useItemOn($blockVector, $item, $packet->face, $packet->fx, $packet->fy, $packet->fz, $this)) {
                         if (!$item->deepEquals($oldItem) or $item->getCount() !== $oldItem->getCount()) {
                             $this->inventory->setItemInHand($item);
                             $this->inventory->sendHeldItem($this->hasSpawned);
                         }
                         break;
                     }
                 }
                 $this->inventory->sendHeldItem($this);
                 if ($blockVector->distanceSquared($this) > 10000) {
                     break;
                 }
                 $target = $this->level->getBlock($blockVector);
                 $block = $target->getSide($packet->face);
                 $this->level->sendBlocks([$this], [$target, $block], UpdateBlockPacket::FLAG_ALL_PRIORITY);
                 break;
             } elseif ($packet->face === 0xff) {
                 if ($this->isSpectator()) {
                     break;
                 }
                 $aimPos = (new Vector3($packet->x / 32768, $packet->y / 32768, $packet->z / 32768))->normalize();
                 if ($this->isCreative()) {

//.........这里部分代码省略.........
                 break;
             } else {
                 $this->server->getPluginManager()->callEvent($ev = new PlayerToggleFlightEvent($this, $packet->isFlying));
                 if ($ev->isCancelled()) {
                     $this->sendSettings();
                 } else {
                     $this->flying = $ev->isFlying();
                 }
                 break;
             }
             break;
         case ProtocolInfo::MOB_EQUIPMENT_PACKET:
             if ($this->spawned === false or !$this->isAlive()) {
                 break;
             }
             /**
              * Handle hotbar slot remapping
              * This is the only time and place when hotbar mapping should ever be changed.
              * Changing hotbar slot mapping at will has been deprecated because it causes far too many
              * issues with Windows 10 Edition Beta.
              */
             $this->inventory->setHeldItemIndex($packet->selectedSlot, false, $packet->slot);
             $this->setDataFlag(self::DATA_FLAGS, self::DATA_FLAG_ACTION, false);
             break;
         case ProtocolInfo::USE_ITEM_PACKET:
             if ($this->spawned === false or !$this->isAlive() or $this->blocked) {
                 break;
             }
             $blockVector = new Vector3($packet->x, $packet->y, $packet->z);
             $this->craftingType = self::CRAFTING_SMALL;
             if ($packet->face >= 0 and $packet->face <= 5) {
                 //Use Block, place
                 $this->setDataFlag(self::DATA_FLAGS, self::DATA_FLAG_ACTION, false);
                 if (!$this->canInteract($blockVector->add(0.5, 0.5, 0.5), 13) or $this->isSpectator()) {
                 } elseif ($this->isCreative()) {
                     $item = $this->inventory->getItemInHand();
                     if ($this->level->useItemOn($blockVector, $item, $packet->face, $packet->fx, $packet->fy, $packet->fz, $this) === true) {
                         break;
                     }
                 } elseif (!$this->inventory->getItemInHand()->deepEquals($packet->item)) {
                     $this->inventory->sendHeldItem($this);
                 } else {
                     $item = $this->inventory->getItemInHand();
                     $oldItem = clone $item;
                     //TODO: Implement adventure mode checks
                     if ($this->level->useItemOn($blockVector, $item, $packet->face, $packet->fx, $packet->fy, $packet->fz, $this)) {
                         if (!$item->deepEquals($oldItem) or $item->getCount() !== $oldItem->getCount()) {
                             $this->inventory->setItemInHand($item);
                             $this->inventory->sendHeldItem($this->hasSpawned);
                         }
                         break;
                     }
                 }
                 if ($this->isOnline()) {
                     $this->inventory->sendHeldItem($this);
                 }
                 if ($blockVector->distanceSquared($this) > 10000) {
                     break;
                 }
                 $target = $this->level->getBlock($blockVector);
                 $block = $target->getSide($packet->face);
                 $this->level->sendBlocks([$this], [$target, $block], UpdateBlockPacket::FLAG_ALL_PRIORITY);
                 break;
             } elseif ($packet->face === -1) {
                 $aimPos = new Vector3(-sin($this->yaw / 180 * M_PI) * cos($this->pitch / 180 * M_PI), -sin($this->pitch / 180 * M_PI), cos($this->yaw / 180 * M_PI) * cos($this->pitch / 180 * M_PI));
                 if ($this->isCreative()) {

 /**
  * 高密集型发包计时器
  * - 发送数据包
  * - 计算自由落体相关数据
  * 循环间隔：1 tick
  */
 public function CreeperRandomWalk()
 {
     foreach ($this->AIHolder->getServer()->getLevels() as $level) {
         foreach ($level->getEntities() as $zo) {
             if ($zo instanceof Creeper) {
                 if (isset($this->AIHolder->Creeper[$zo->getId()])) {
                     $zom =& $this->AIHolder->Creeper[$zo->getId()];
                     if ($zom['canAttack'] != 0) {
                         $zom['canAttack'] -= 1;
                     }
                     $pos = $zo->getLocation();
                     //echo ($zom['IsChasing']."\n");
                     if ($zom['boom'] == false) {
                         //真正的自由落体 by boybook
                         if ($zom['drop'] !== false) {
                             $olddrop = $zom['drop'];
                             $zom['drop'] += 0.5;
                             $drop = $zom['drop'];
                             //echo $drop."\n";
                             $dropy = $zo->getY() - ($olddrop * 0.05 + 0.0125);
                             $posd0 = new Vector3(floor($zo->getX()), floor($dropy), floor($zo->getZ()));
                             $posd = new Vector3($zo->getX(), $dropy, $zo->getZ());
                             if ($this->AIHolder->whatBlock($zo->getLevel(), $posd0) == "air") {
                                 $zo->setPosition($posd->add(0, 1, 0));
                                 //下降
                             } else {
                                 for ($i = 1; $i <= $drop; $i++) {
                                     $posd0->y++;
                                     if ($this->AIHolder->whatBlock($zo->getLevel(), $posd0) != "block") {
                                         $posd->y = $posd0->y;
                                         //$zo->setPosition($posd);  //下降完成
                                         $h = $zom['drop'] * $zom['drop'] / 20;
                                         $damage = $h - 3;
                                         //echo($h . ": " . $damage . "\n");
                                         if ($damage > 0) {
                                             $zo->setHealth($zo->getHealth() - $damage);
                                         }
                                         $zom['drop'] = false;
                                         break;
                                     }
                                 }
                             }
                         } else {
                             $drop = 0;
                         }
                         if ($zom['IsChasing'] !== false) {
                             //var_dump($zom['IsChasing']);
                             if (!$zom['knockBack']) {
                                 //echo $zy;
                                 $zom['up'] = 0;
                                 if ($this->AIHolder->whatBlock($level, $pos) == "water") {
                                     $zom['swim'] += 1;
                                     if ($zom['swim'] >= 20) {
                                         $zom['swim'] = 0;
                                     }
                                 } else {
                                     $zom['swim'] = 0;
                                 }
                                 //echo("目标:".$zo->getY()." ");
                                 //echo("原先:".$zom['oldv3']->y."\n");
                                 if (abs($zo->getY() - $zom['oldv3']->y) == 1 and $zom['canjump'] === true) {
                                     //var_dump("跳");
                                     $zom['canjump'] = false;
                                     $zom['jump'] = 0.5;
                                 } else {
                                     if ($zom['jump'] > 0.01) {
                                         $zom['jump'] -= 0.1;
                                     } else {
                                         $zom['jump'] = 0.01;
                                     }
                                 }
                                 $pk3 = new SetEntityMotionPacket();
                                 $pk3->entities = [[$zo->getID(), $zom['xxx'] / 10, -$zom['swim'] / 100 + $zom['jump'] - $drop, $zom['zzz'] / 10]];
                                 foreach ($zo->getViewers() as $pl) {
                                     $pl->dataPacket($pk3);
                                 }
                                 $p = $this->AIHolder->getServer()->getPlayer($zom['IsChasing']);
                                 if ($p instanceof Player) {
                                     if ($p->distance($pos) <= 1.3) {
                                         //苦力怕的火焰点燃人类
                                         // if ($zo->fireTicks > 0) {
                                         //   $p->setOnFire(5);
                                         // }
                                     }
                                     if ($p->distance($pos) <= 2) {
                                         //boom
                                         $zom['boom'] = 5;
                                     }
                                     if ($p->distance($pos) <= 1.5) {
                                         if ($zom['canAttack'] == 0) {
                                             $zom['canAttack'] = 20;
                                             @$p->knockBack($zo, 0, $zom['xxx'] / 10, $zom['zzz'] / 10);
                                             if ($p->isSurvival()) {
                                                 $damage = 0;
//.........这里部分代码省略.........

 public function SkeletonRandomWalk()
 {
     foreach ($this->plugin->getServer()->getLevels() as $level) {
         foreach ($level->getEntities() as $zo) {
             if ($zo instanceof Skeleton) {
                 if (isset($this->plugin->Skeleton[$zo->getId()])) {
                     $zom =& $this->plugin->Skeleton[$zo->getId()];
                     if ($zom['canAttack'] != 0) {
                         $zom['canAttack'] -= 1;
                     }
                     $pos = $zo->getLocation();
                     //echo ($zom['IsChasing']."\n");
                     //真正的自由落体 by boybook
                     if ($zom['drop'] !== false) {
                         $olddrop = $zom['drop'];
                         $zom['drop'] += 0.5;
                         $drop = $zom['drop'];
                         //echo $drop."\n";
                         $dropy = $zo->getY() - ($olddrop * 0.05 + 0.0125);
                         $posd0 = new Vector3(floor($zo->getX()), floor($dropy), floor($zo->getZ()));
                         $posd = new Vector3($zo->getX(), $dropy, $zo->getZ());
                         if ($this->plugin->whatBlock($zo->getLevel(), $posd0) == "air") {
                             $zo->setPosition($posd->add(0, 1, 0));
                             //下降
                         } else {
                             for ($i = 1; $i <= $drop; $i++) {
                                 $posd0->y++;
                                 if ($this->plugin->whatBlock($zo->getLevel(), $posd0) != "block") {
                                     $posd->y = $posd0->y;
                                     $zo->setPosition($posd->add(0, 1, 0));
                                     //下降完成
                                     $h = $zom['drop'] * $zom['drop'] / 20;
                                     $damage = $h - 3;
                                     //echo($h . ": " . $damage . "\n");
                                     if ($damage > 0) {
                                         //$zo->attack($damage, EntityDamageEvent::CAUSE_FALL);
                                         $zo->setHealth($zo->getHealth() - $damage);
                                     }
                                     $zom['drop'] = false;
                                     break;
                                 }
                             }
                         }
                     } else {
                         $drop = 0;
                     }
                     if ($zom['IsChasing'] !== false) {
                         if (!$zom['knockBack']) {
                             //echo $zy;
                             $zom['up'] = 0;
                             if ($this->plugin->whatBlock($level, $pos) == "water") {
                                 $zom['swim'] += 1;
                                 if ($zom['swim'] >= 20) {
                                     $zom['swim'] = 0;
                                 }
                             } else {
                                 $zom['swim'] = 0;
                             }
                             //echo("目标:".$zo->getY()." ");
                             //echo("原先:".$zom['oldv3']->y."\n");
                             if (abs($zo->getY() - $zom['oldv3']->y) == 1 and $zom['canjump'] === true) {
                                 //var_dump("跳");
                                 $zom['canjump'] = false;
                                 $zom['jump'] = 0.5;
                             } else {
                                 if ($zom['jump'] > 0.01) {
                                     $zom['jump'] -= 0.1;
                                 } else {
                                     $zom['jump'] = 0.01;
                                 }
                             }
                             $pk3 = new SetEntityMotionPacket();
                             $pk3->entities = [[$zo->getID(), $zom['xxx'] / 10, -$zom['swim'] / 100 + $zom['jump'] - $drop, $zom['zzz'] / 10]];
                             foreach ($zo->getViewers() as $pl) {
                                 $pl->dataPacket($pk3);
                             }
                             $p = $this->plugin->getServer()->getPlayer($zom['IsChasing']);
                             if ($p instanceof Player) {
                                 $zom['shoot'] = $zom['shoot'] - 1;
                                 if ($zom['shoot'] <= 0) {
                                     //boom
                                     $zom['shoot'] = 20;
                                     $v3 = new Vector3($zo->getX(), $zo->getY() + 2, $zo->getZ());
                                     $chunk = $level->getChunk($v3->x >> 4, $v3->z >> 4, true);
                                     $posnn = new Vector3($zo->getX(), $p->getY(), $zo->getZ());
                                     $my = $p->getY() - $zo->getY();
                                     $d = $p->distance($posnn);
                                     $pitch = $this->getmypitch($my, $d);
                                     $nbt2 = new CompoundTag("", ["Pos" => new EnumTag("Pos", [new DoubleTag("", $zo->getX()), new DoubleTag("", $zo->getY()), new DoubleTag("", $zo->getZ())]), "Motion" => new EnumTag("Motion", [new DoubleTag("", -\sin($zom['yaw']) * \cos($pitch / 180 * M_PI)), new DoubleTag("", -\sin($pitch / 180 * M_PI)), new DoubleTag("", \cos($zom['yaw'] / 180 * M_PI) * \cos($pitch / 180 * M_PI))]), "Rotation" => new EnumTag("Rotation", [new FloatTag("", $zom['yaw']), new FloatTag("", $pitch)])]);
                                     $f = 1.5;
                                     //$ev = new EntityShootBowEvent($this, $bow, Entity::createEntity("Arrow", $this->chunk, $nbt, $this), $f);
                                     $ev = new EntityShootBowEvent($zo, new ITEM(262, 0), Entity::createEntity("Arrow", $chunk, $nbt2, $zo), $f);
                                 }
                             }
                         }
                     } else {
                         if ($zom['up'] == 1) {
                             if ($zom['yup'] <= 10) {
                                 $pk3 = new SetEntityMotionPacket();
                                 $pk3->entities = [[$zo->getID(), $zom['motionx'] / 10, $zom['motiony'] / 10, $zom['motionz'] / 10]];
//.........这里部分代码省略.........

//.........这里部分代码省略.........
                         break;
                     }
                 }
             } elseif ($item === null or $slot === -1 or !$item->deepEquals($packet->item)) {
                 // packet error or not implemented
                 $this->inventory->sendContents($this);
                 break;
             } elseif ($this->isCreative()) {
                 $this->inventory->setHeldItemIndex($packet->selectedSlot, false);
                 $this->inventory->setItem($packet->selectedSlot, $item);
                 $this->inventory->setHeldItemSlot($packet->selectedSlot);
                 $this->inventory->sendHeldItem($this->getViewers());
             } else {
                 if ($packet->selectedSlot >= 0 and $packet->selectedSlot < $this->inventory->getHotbarSize()) {
                     $this->inventory->setHeldItemIndex($packet->selectedSlot, false);
                     $this->inventory->setHeldItemSlot($slot);
                     $this->inventory->sendHeldItem($this->getViewers());
                 } else {
                     $this->inventory->sendContents($this);
                     break;
                 }
             }
             $this->setDataFlag(self::DATA_FLAGS, self::DATA_FLAG_ACTION, false);
             break;
         case ProtocolInfo::USE_ITEM_PACKET:
             if ($this->spawned === false or !$this->isAlive() or $this->blocked) {
                 break;
             }
             $blockVector = new Vector3($packet->x, $packet->y, $packet->z);
             $this->craftingType = 0;
             if ($packet->face >= 0 and $packet->face <= 5) {
                 //Use Block, place
                 $this->setDataFlag(self::DATA_FLAGS, self::DATA_FLAG_ACTION, false);
                 if (!$this->canInteract($blockVector->add(0.5, 0.5, 0.5), 13) or $this->isSpectator()) {
                 } elseif ($this->isCreative()) {
                     $item = $this->inventory->getItemInHand();
                     if ($this->level->useItemOn($blockVector, $item, $packet->face, $packet->fx, $packet->fy, $packet->fz, $this) === true) {
                         break;
                     }
                 } elseif (!$this->inventory->getItemInHand()->deepEquals($packet->item)) {
                     $this->inventory->sendHeldItem($this);
                 } else {
                     $item = $this->inventory->getItemInHand();
                     $oldItem = clone $item;
                     if ($this->level->useItemOn($blockVector, $item, $packet->face, $packet->fx, $packet->fy, $packet->fz, $this)) {
                         if (!$item->deepEquals($oldItem) or $item->getCount() !== $oldItem->getCount()) {
                             $this->inventory->setItemInHand($item);
                             $this->inventory->sendHeldItem($this->hasSpawned);
                         }
                         break;
                     }
                 }
                 $this->inventory->sendHeldItem($this);
                 if ($blockVector->distanceSquared($this) > 10000) {
                     break;
                 }
                 $target = $this->level->getBlock($blockVector);
                 $block = $target->getSide($packet->face);
                 $this->level->sendBlocks([$this], [$target, $block], UpdateBlockPacket::FLAG_ALL_PRIORITY);
                 break;
             } elseif ($packet->face === 0xff) {
                 if ($this->isSpectator()) {
                     break;
                 }
                 $aimPos = (new Vector3($packet->x / 32768, $packet->y / 32768, $packet->z / 32768))->normalize();
                 if ($this->isCreative()) {

 /**
  * Creates fizzing sound and smoke. Used when lava flows over block or mixes with water.
  *
  * @param Vector3 $pos
  */
 protected function triggerLavaMixEffects(Vector3 $pos)
 {
     $this->getLevel()->addSound(new FizzSound($pos->add(0.5, 0.5, 0.5), 2.5 + mt_rand(0, 1000) / 1000 * 0.8));
     for ($i = 0; $i < 8; ++$i) {
         $this->getLevel()->addParticle(new SmokeParticle($pos->add(mt_rand(0, 80) / 100, 0.5, mt_rand(0, 80) / 100)));
     }
 }

//.........这里部分代码省略.........
                         $this->inventory->sendContents($this);
                         break;
                     }
                 }
             } elseif ($item === null or $slot === -1 or !$item->deepEquals($packet->item)) {
                 // packet error or not implemented
                 $this->inventory->sendContents($this);
                 break;
             } elseif ($this->isCreative()) {
                 $this->inventory->setHeldItemIndex($packet->selectedSlot);
                 $this->inventory->setItem($packet->selectedSlot, $item);
                 $this->inventory->setHeldItemSlot($packet->selectedSlot);
             } else {
                 if ($packet->selectedSlot >= 0 and $packet->selectedSlot < $this->inventory->getHotbarSize()) {
                     $this->inventory->setHeldItemIndex($packet->selectedSlot);
                     $this->inventory->setHeldItemSlot($slot);
                 } else {
                     $this->inventory->sendContents($this);
                     break;
                 }
             }
             $this->inventory->sendHeldItem($this->hasSpawned);
             $this->setDataFlag(self::DATA_FLAGS, self::DATA_FLAG_ACTION, false);
             break;
         case ProtocolInfo::USE_ITEM_PACKET:
             if ($this->spawned === false or !$this->isAlive() or $this->blocked) {
                 break;
             }
             $blockVector = new Vector3($packet->x, $packet->y, $packet->z);
             $this->craftingType = 0;
             if ($packet->face >= 0 and $packet->face <= 5) {
                 //Use Block, place
                 $this->setDataFlag(self::DATA_FLAGS, self::DATA_FLAG_ACTION, false);
                 if (!$this->canInteract($blockVector->add(0.5, 0.5, 0.5), 13) or $this->isSpectator()) {
                 } elseif ($this->isCreative()) {
                     $item = $this->inventory->getItemInHand();
                     if ($this->level->useItemOn($blockVector, $item, $packet->face, $packet->fx, $packet->fy, $packet->fz, $this) === true) {
                         break;
                     }
                 } elseif (!$this->inventory->getItemInHand()->deepEquals($packet->item)) {
                     $this->inventory->sendHeldItem($this);
                 } else {
                     $item = $this->inventory->getItemInHand();
                     $oldItem = clone $item;
                     //TODO: Implement adventure mode checks
                     if ($this->level->useItemOn($blockVector, $item, $packet->face, $packet->fx, $packet->fy, $packet->fz, $this)) {
                         if (!$item->deepEquals($oldItem) or $item->getCount() !== $oldItem->getCount()) {
                             $this->inventory->setItemInHand($item);
                             $this->inventory->sendHeldItem($this->hasSpawned);
                         }
                         break;
                     }
                 }
                 $this->inventory->sendHeldItem($this);
                 if ($blockVector->distanceSquared($this) > 10000) {
                     break;
                 }
                 $target = $this->level->getBlock($blockVector);
                 $block = $target->getSide($packet->face);
                 $this->level->sendBlocks([$this], [$target, $block], UpdateBlockPacket::FLAG_ALL_PRIORITY);
                 break;
             } elseif ($packet->face === 0xff) {
                 $aimPos = (new Vector3($packet->x / 32768, $packet->y / 32768, $packet->z / 32768))->normalize();
                 if ($this->isCreative()) {
                     $item = $this->inventory->getItemInHand();
                 } elseif (!$this->inventory->getItemInHand()->deepEquals($packet->item)) {