trunkBlock = Block::LOG; $this->leafBlock = Block::LEAVES; $this->type = Wood::OAK; } public function placeObject(ChunkManager $level, $x, $y, $z, Random $random){ $this->treeHeight = $random->nextBoundedInt(3) + 4; parent::placeObject($level, $x, $y, $z, $random); } }