Implemented Vector3 List and AxisAlignedBB Pool to decrease object allocation

src/pocketmine/Player.php

@@ -1057,8 +1057,7 @@ class Player extends Human implements CommandSender, InventoryHolder, IPlayer{
 			return;
 		}
 
-		$oldPos = new Vector3($this->x, $this->y, $this->z);
+		$distanceSquared = $this->newPosition->distanceSquared($this);
-		$distanceSquared = $oldPos->distanceSquared($this->newPosition);
 
 		$revert = false;
 
@@ -1558,7 +1557,7 @@ class Player extends Human implements CommandSender, InventoryHolder, IPlayer{
 				}
 				break;
 			case ProtocolInfo::USE_ITEM_PACKET:
-				$blockVector = new Vector3($packet->x, $packet->y, $packet->z);
+				$blockVector = Vector3::createVector($packet->x, $packet->y, $packet->z);
 
 				$this->craftingType = 0;
 
@@ -1718,7 +1717,7 @@ class Player extends Human implements CommandSender, InventoryHolder, IPlayer{
 				}
 				$this->craftingType = 0;
 
-				$vector = new Vector3($packet->x, $packet->y, $packet->z);
+				$vector = Vector3::createVector($packet->x, $packet->y, $packet->z);
 
 
 				if($this->isCreative()){
@@ -2185,7 +2184,7 @@ class Player extends Human implements CommandSender, InventoryHolder, IPlayer{
 				}
 				$this->craftingType = 0;
 
-				$t = $this->level->getTile($v = new Vector3($packet->x, $packet->y, $packet->z));
+				$t = $this->level->getTile(Vector3::createVector($packet->x, $packet->y, $packet->z));
 				if($t instanceof Sign){
 					$nbt = new NBT(NBT::LITTLE_ENDIAN);
 					$nbt->read($packet->namedtag);
@@ -2193,7 +2192,7 @@ class Player extends Human implements CommandSender, InventoryHolder, IPlayer{
 					if($nbt["id"] !== Tile::SIGN){
 						$t->spawnTo($this);
 					}else{
-						$ev = new SignChangeEvent($this->level->getBlock($v), $this, [
+						$ev = new SignChangeEvent($t->getBlock(), $this, [
 							$nbt["Text1"], $nbt["Text2"], $nbt["Text3"], $nbt["Text4"]
 						]);
 

src/pocketmine/Server.php

@@ -50,6 +50,8 @@ use pocketmine\level\generator\GenerationRequestManager;
 use pocketmine\level\generator\Generator;
 use pocketmine\level\generator\Normal;
 use pocketmine\level\Level;
+use pocketmine\math\AxisAlignedBB;
+use pocketmine\math\Vector3;
 use pocketmine\metadata\EntityMetadataStore;
 use pocketmine\metadata\LevelMetadataStore;
 use pocketmine\metadata\PlayerMetadataStore;
@@ -2111,6 +2113,15 @@ class Server{
 
 		$this->generationManager->process();
 
+
+		if(($this->tickCounter % 600) === 0){
+			Vector3::clearVectors();
+			AxisAlignedBB::clearBoundingBoxes();
+		}else{
+			Vector3::clearVectorList();
+			AxisAlignedBB::clearBoundingBoxPool();
+		}
+
 		Timings::$serverTickTimer->stopTiming();
 
 		TimingsHandler::tick();

src/pocketmine/block/Bed.php

@@ -36,11 +36,7 @@ class Bed extends Transparent{
 	}
 
 	public function getBoundingBox(){
-		if($this->boundingBox !== null){
+		return AxisAlignedBB::getBoundingBoxFromPool(
-			return $this->boundingBox;
-		}
-
-		return $this->boundingBox = new AxisAlignedBB(
 			$this->x,
 			$this->y,
 			$this->z,

src/pocketmine/block/Block.php

@@ -512,7 +512,6 @@ class Block extends Position implements Metadatable{
 	protected $name = "Unknown";
 	protected $breakTime = 0.20;
 	protected $hardness = 10;
-	protected $boundingBox = null;
 	public $hasEntityCollision = false;
 	public $isActivable = false;
 	public $breakable = true;
@@ -820,7 +819,6 @@ class Block extends Position implements Metadatable{
 		$this->y = (int) $v->y;
 		$this->z = (int) $v->z;
 		$this->level = $v->level;
-		$this->boundingBox = null;
 	}
 
 	/**
@@ -899,11 +897,7 @@ class Block extends Position implements Metadatable{
 	 * @return AxisAlignedBB
 	 */
 	public function getBoundingBox(){
-		if($this->boundingBox !== null){
+		return AxisAlignedBB::getBoundingBoxFromPool(
-			return $this->boundingBox;
-		}
-
-		return $this->boundingBox = new AxisAlignedBB(
 			$this->x,
 			$this->y,
 			$this->z,

src/pocketmine/block/Cactus.php

@@ -43,11 +43,8 @@ class Cactus extends Transparent{
 	}
 
 	public function getBoundingBox(){
-		if($this->boundingBox !== null){
-			return $this->boundingBox;
-		}
 
-		return $this->boundingBox = new AxisAlignedBB(
+		return AxisAlignedBB::getBoundingBoxFromPool(
 			$this->x + 0.0625,
 			$this->y,
 			$this->z + 0.0625,
@@ -82,7 +79,7 @@ class Cactus extends Transparent{
 			if($this->getSide(0)->getID() !== self::CACTUS){
 				if($this->meta == 0x0F){
 					for($y = 1; $y < 3; ++$y){
-						$b = $this->getLevel()->getBlock(new Vector3($this->x, $this->y + $y, $this->z));
+						$b = $this->getLevel()->getBlock(Vector3::createVector($this->x, $this->y + $y, $this->z));
 						if($b->getID() === self::AIR){
 							Server::getInstance()->getPluginManager()->callEvent($ev = new BlockGrowEvent($b, new Cactus()));
 							if(!$ev->isCancelled()){

src/pocketmine/block/Cake.php

@@ -38,13 +38,10 @@ class Cake extends Transparent{
 	}
 
 	public function getBoundingBox(){
-		if($this->boundingBox !== null){
-			return $this->boundingBox;
-		}
 
 		$f = (1 + $this->getDamage() * 2) / 16;
 
-		return $this->boundingBox = new AxisAlignedBB(
+		return AxisAlignedBB::getBoundingBoxFromPool(
 			$this->x + $f,
 			$this->y,
 			$this->z + 0.0625,

src/pocketmine/block/Carpet.php

@@ -54,11 +54,8 @@ class Carpet extends Flowable{
 	}
 
 	public function getBoundingBox(){
-		if($this->boundingBox !== null){
-			return $this->boundingBox;
-		}
 
-		return $this->boundingBox = new AxisAlignedBB(
+		return AxisAlignedBB::getBoundingBoxFromPool(
 			$this->x,
 			$this->y,
 			$this->z,

src/pocketmine/block/Chest.php

@@ -43,11 +43,8 @@ class Chest extends Transparent{
 	}
 
 	public function getBoundingBox(){
-		if($this->boundingBox !== null){
-			return $this->boundingBox;
-		}
 
-		return $this->boundingBox = new AxisAlignedBB(
+		return AxisAlignedBB::getBoundingBoxFromPool(
 			$this->x + 0.0625,
 			$this->y,
 			$this->z + 0.0625,

src/pocketmine/block/Door.php

@@ -53,14 +53,11 @@ abstract class Door extends Transparent{
 	}
 
 	public function getBoundingBox(){
-		if($this->boundingBox !== null){
-			return $this->boundingBox;
-		}
 
 		$f = 0.1875;
 		$damage = $this->getFullDamage();
 
-		$bb = new AxisAlignedBB(
+		$bb = AxisAlignedBB::getBoundingBoxFromPool(
 			$this->x,
 			$this->y,
 			$this->z,
@@ -76,7 +73,7 @@ abstract class Door extends Transparent{
 		if($j === 0){
 			if($flag){
 				if(!$flag1){
-					$bb = new AxisAlignedBB(
+					$bb = AxisAlignedBB::getBoundingBoxFromPool(
 						$this->x,
 						$this->y,
 						$this->z,
@@ -85,7 +82,7 @@ abstract class Door extends Transparent{
 						$this->z + $f
 					);
 				}else{
-					$bb = new AxisAlignedBB(
+					$bb = AxisAlignedBB::getBoundingBoxFromPool(
 						$this->x,
 						$this->y,
 						$this->z + 1 - $f,
@@ -95,7 +92,7 @@ abstract class Door extends Transparent{
 					);
 				}
 			}else{
-				$bb = new AxisAlignedBB(
+				$bb = AxisAlignedBB::getBoundingBoxFromPool(
 					$this->x,
 					$this->y,
 					$this->z,
@@ -107,7 +104,7 @@ abstract class Door extends Transparent{
 		}elseif($j === 1){
 			if($flag){
 				if(!$flag1){
-					$bb = new AxisAlignedBB(
+					$bb = AxisAlignedBB::getBoundingBoxFromPool(
 						$this->x + 1 - $f,
 						$this->y,
 						$this->z,
@@ -116,7 +113,7 @@ abstract class Door extends Transparent{
 						$this->z + 1
 					);
 				}else{
-					$bb = new AxisAlignedBB(
+					$bb = AxisAlignedBB::getBoundingBoxFromPool(
 						$this->x,
 						$this->y,
 						$this->z,
@@ -126,7 +123,7 @@ abstract class Door extends Transparent{
 					);
 				}
 			}else{
-				$bb = new AxisAlignedBB(
+				$bb = AxisAlignedBB::getBoundingBoxFromPool(
 					$this->x,
 					$this->y,
 					$this->z,
@@ -138,7 +135,7 @@ abstract class Door extends Transparent{
 		}elseif($j === 2){
 			if($flag){
 				if(!$flag1){
-					$bb = new AxisAlignedBB(
+					$bb = AxisAlignedBB::getBoundingBoxFromPool(
 						$this->x,
 						$this->y,
 						$this->z + 1 - $f,
@@ -147,7 +144,7 @@ abstract class Door extends Transparent{
 						$this->z + 1
 					);
 				}else{
-					$bb = new AxisAlignedBB(
+					$bb = AxisAlignedBB::getBoundingBoxFromPool(
 						$this->x,
 						$this->y,
 						$this->z,
@@ -157,7 +154,7 @@ abstract class Door extends Transparent{
 					);
 				}
 			}else{
-				$bb = new AxisAlignedBB(
+				$bb = AxisAlignedBB::getBoundingBoxFromPool(
 					$this->x + 1 - $f,
 					$this->y,
 					$this->z,
@@ -169,7 +166,7 @@ abstract class Door extends Transparent{
 		}elseif($j === 3){
 			if($flag){
 				if(!$flag1){
-					$bb = new AxisAlignedBB(
+					$bb = AxisAlignedBB::getBoundingBoxFromPool(
 						$this->x,
 						$this->y,
 						$this->z,
@@ -178,7 +175,7 @@ abstract class Door extends Transparent{
 						$this->z + 1
 					);
 				}else{
-					$bb = new AxisAlignedBB(
+					$bb = AxisAlignedBB::getBoundingBoxFromPool(
 						$this->x + 1 - $f,
 						$this->y,
 						$this->z,
@@ -188,7 +185,7 @@ abstract class Door extends Transparent{
 					);
 				}
 			}else{
-				$bb = new AxisAlignedBB(
+				$bb = AxisAlignedBB::getBoundingBoxFromPool(
 					$this->x,
 					$this->y,
 					$this->z + 1 - $f,
@@ -199,7 +196,7 @@ abstract class Door extends Transparent{
 			}
 		}
 
-		return $this->boundingBox = $bb;
+		return $bb;
 	}
 
 	public function onUpdate($type){

src/pocketmine/block/EndPortal.php

@@ -30,11 +30,8 @@ class EndPortal extends Solid{
 	}
 
 	public function getBoundingBox(){
-		if($this->boundingBox !== null){
-			return $this->boundingBox;
-		}
 
-		return $this->boundingBox = new AxisAlignedBB(
+		return AxisAlignedBB::getBoundingBoxFromPool(
 			$this->x,
 			$this->y,
 			$this->z,

src/pocketmine/block/Farmland.php

@@ -31,11 +31,8 @@ class Farmland extends Solid{
 	}
 
 	public function getBoundingBox(){
-		if($this->boundingBox !== null){
-			return $this->boundingBox;
-		}
 
-		return $this->boundingBox = new AxisAlignedBB(
+		return AxisAlignedBB::getBoundingBoxFromPool(
 			$this->x,
 			$this->y,
 			$this->z,

src/pocketmine/block/Fence.php

@@ -32,9 +32,6 @@ class Fence extends Transparent{
 	}
 
 	public function getBoundingBox(){
-		if($this->boundingBox !== null){
-			return $this->boundingBox;
-		}
 
 		$flag = $this->canConnect($this->getSide(2));
 		$flag1 = $this->canConnect($this->getSide(3));
@@ -46,7 +43,7 @@ class Fence extends Transparent{
 		$f2 = $flag ? 0 : 0.375;
 		$f3 = $flag1 ? 1 : 0.625;
 
-		return $this->boundingBox = new AxisAlignedBB(
+		return AxisAlignedBB::getBoundingBoxFromPool(
 			$this->x + $f,
 			$this->y,
 			$this->z + $f2,

src/pocketmine/block/FenceGate.php

@@ -39,9 +39,6 @@ class FenceGate extends Transparent{
 
 
 	public function getBoundingBox(){
-		if($this->boundingBox !== null){
-			return $this->boundingBox;
-		}
 
 		if(($this->getDamage() & 0x04) > 0){
 			return null;
@@ -49,7 +46,7 @@ class FenceGate extends Transparent{
 
 		$i = ($this->getDamage() & 0x03);
 		if($i === 2 and $i === 0){
-			return $this->boundingBox = new AxisAlignedBB(
+			return AxisAlignedBB::getBoundingBoxFromPool(
 				$this->x,
 				$this->y,
 				$this->z + 0.375,
@@ -58,7 +55,7 @@ class FenceGate extends Transparent{
 				$this->z + 0.625
 			);
 		}else{
-			return $this->boundingBox = new AxisAlignedBB(
+			return AxisAlignedBB::getBoundingBoxFromPool(
 				$this->x + 0.375,
 				$this->y,
 				$this->z,

src/pocketmine/block/Ladder.php

@@ -44,14 +44,11 @@ class Ladder extends Transparent{
 	}
 
 	public function getBoundingBox(){
-		if($this->boundingBox !== null){
-			return $this->boundingBox;
-		}
 
 		$f = 0.125;
 
 		if($this->meta === 2){
-			return $this->boundingBox = new AxisAlignedBB(
+			return AxisAlignedBB::getBoundingBoxFromPool(
 				$this->x,
 				$this->y,
 				$this->z + 1 - $f,
@@ -60,7 +57,7 @@ class Ladder extends Transparent{
 				$this->z + 1
 			);
 		}elseif($this->meta === 3){
-			return $this->boundingBox = new AxisAlignedBB(
+			return AxisAlignedBB::getBoundingBoxFromPool(
 				$this->x,
 				$this->y,
 				$this->z,
@@ -69,7 +66,7 @@ class Ladder extends Transparent{
 				$this->z + $f
 			);
 		}elseif($this->meta === 4){
-			return $this->boundingBox = new AxisAlignedBB(
+			return AxisAlignedBB::getBoundingBoxFromPool(
 				$this->x + 1 - $f,
 				$this->y,
 				$this->z,
@@ -78,7 +75,7 @@ class Ladder extends Transparent{
 				$this->z + 1
 			);
 		}elseif($this->meta === 5){
-			return $this->boundingBox = new AxisAlignedBB(
+			return AxisAlignedBB::getBoundingBoxFromPool(
 				$this->x,
 				$this->y,
 				$this->z,

src/pocketmine/block/Liquid.php

@@ -80,7 +80,7 @@ abstract class Liquid extends Transparent{
 	}
 
 	public function getFlowVector(){
-		$vector = new Vector3(0, 0, 0);
+		$vector = Vector3::createVector(0, 0, 0);
 
 		$decay = $this->getEffectiveFlowDecay($this);
 
@@ -99,7 +99,7 @@ abstract class Liquid extends Transparent{
 			}elseif($j === 3){
 				++$z;
 			}
-			$sideBlock = $this->getLevel()->getBlock(new Vector3($x, $y, $z));
+			$sideBlock = $this->getLevel()->getBlock(Vector3::createVector($x, $y, $z));
 			$blockDecay = $this->getEffectiveFlowDecay($sideBlock);
 
 			if($blockDecay < 0){
@@ -314,7 +314,7 @@ abstract class Liquid extends Transparent{
 				}elseif($j === 3){
 					++$z;
 				}
-				$blockSide = $this->getLevel()->getBlock(new Vector3($x, $y, $z));
+				$blockSide = $this->getLevel()->getBlock(Vector3::createVector($x, $y, $z));
 
 				if(!$blockSide->isFlowable and !($blockSide instanceof Liquid)){
 					continue;
@@ -356,7 +356,7 @@ abstract class Liquid extends Transparent{
 			}elseif($j === 3){
 				++$z;
 			}
-			$block = $this->getLevel()->getBlock(new Vector3($x, $y, $z));
+			$block = $this->getLevel()->getBlock(Vector3::createVector($x, $y, $z));
 
 			if(!$block->isFlowable and !($block instanceof Liquid)){
 				continue;

src/pocketmine/block/Slab.php

@@ -48,12 +48,9 @@ class Slab extends Transparent{
 	}
 
 	public function getBoundingBox(){
-		if($this->boundingBox !== null){
-			return $this->boundingBox;
-		}
 
 		if(($this->meta & 0x08) > 0){
-			return $this->boundingBox = new AxisAlignedBB(
+			return AxisAlignedBB::getBoundingBoxFromPool(
 				$this->x,
 				$this->y + 0.5,
 				$this->z,
@@ -62,7 +59,7 @@ class Slab extends Transparent{
 				$this->z + 1
 			);
 		}else{
-			return $this->boundingBox = new AxisAlignedBB(
+			return AxisAlignedBB::getBoundingBoxFromPool(
 				$this->x,
 				$this->y,
 				$this->z,

src/pocketmine/block/SoulSand.php

@@ -31,11 +31,8 @@ class SoulSand extends Solid{
 	}
 
 	public function getBoundingBox(){
-		if($this->boundingBox !== null){
-			return $this->boundingBox;
-		}
 
-		return $this->boundingBox = new AxisAlignedBB(
+		return AxisAlignedBB::getBoundingBoxFromPool(
 			$this->x,
 			$this->y,
 			$this->z,

src/pocketmine/block/Stair.php

@@ -54,7 +54,7 @@ abstract class Stair extends Transparent{
 			$f3 = 0.5;
 		}
 
-		if($bb->intersectsWith($bb2 = new AxisAlignedBB(
+		if($bb->intersectsWith($bb2 = AxisAlignedBB::getBoundingBoxFromPool(
 			$this->x,
 			$this->y + $f,
 			$this->z,
@@ -66,7 +66,7 @@ abstract class Stair extends Transparent{
 		}
 
 		if($j === 0){
-			if($bb->intersectsWith($bb2 = new AxisAlignedBB(
+			if($bb->intersectsWith($bb2 = AxisAlignedBB::getBoundingBoxFromPool(
 				$this->x + 0.5,
 				$this->y + $f2,
 				$this->z,
@@ -77,7 +77,7 @@ abstract class Stair extends Transparent{
 				$list[] = $bb2;
 			}
 		}elseif($j === 1){
-			if($bb->intersectsWith($bb2 = new AxisAlignedBB(
+			if($bb->intersectsWith($bb2 = AxisAlignedBB::getBoundingBoxFromPool(
 				$this->x,
 				$this->y + $f2,
 				$this->z,
@@ -88,7 +88,7 @@ abstract class Stair extends Transparent{
 				$list[] = $bb2;
 			}
 		}elseif($j === 2){
-			if($bb->intersectsWith($bb2 = new AxisAlignedBB(
+			if($bb->intersectsWith($bb2 = AxisAlignedBB::getBoundingBoxFromPool(
 				$this->x,
 				$this->y + $f2,
 				$this->z + 0.5,
@@ -99,7 +99,7 @@ abstract class Stair extends Transparent{
 				$list[] = $bb2;
 			}
 		}elseif($j === 3){
-			if($bb->intersectsWith($bb2 = new AxisAlignedBB(
+			if($bb->intersectsWith($bb2 = AxisAlignedBB::getBoundingBoxFromPool(
 				$this->x,
 				$this->y + $f2,
 				$this->z,
@@ -114,12 +114,9 @@ abstract class Stair extends Transparent{
 	*/
 
 	public function getBoundingBox(){
-		if($this->boundingBox !== null){
-			return $this->boundingBox;
-		}
 
 		if(($this->getDamage() & 0x04) > 0){
-			return $this->boundingBox = new AxisAlignedBB(
+			return AxisAlignedBB::getBoundingBoxFromPool(
 				$this->x,
 				$this->y + 0.5,
 				$this->z,
@@ -128,7 +125,7 @@ abstract class Stair extends Transparent{
 				$this->z + 1
 			);
 		}else{
-			return $this->boundingBox = new AxisAlignedBB(
+			return AxisAlignedBB::getBoundingBoxFromPool(
 				$this->x,
 				$this->y,
 				$this->z,

src/pocketmine/block/StoneWall.php

@@ -37,9 +37,6 @@ class StoneWall extends Transparent{
 	}
 
 	public function getBoundingBox(){
-		if($this->boundingBox !== null){
-			return $this->boundingBox;
-		}
 
 		$flag = $this->canConnect($this->getSide(2));
 		$flag1 = $this->canConnect($this->getSide(3));
@@ -62,7 +59,7 @@ class StoneWall extends Transparent{
 			$f3 = 0.6875;
 		}
 
-		return $this->boundingBox = new AxisAlignedBB(
+		return AxisAlignedBB::getBoundingBoxFromPool(
 			$this->x + $f,
 			$this->y,
 			$this->z + $f2,

src/pocketmine/block/Sugarcane.php

@@ -49,7 +49,7 @@ class Sugarcane extends Flowable{
 		if($item->getID() === Item::DYE and $item->getDamage() === 0x0F){ //Bonemeal
 			if($this->getSide(0)->getID() !== self::SUGARCANE_BLOCK){
 				for($y = 1; $y < 3; ++$y){
-					$b = $this->getLevel()->getBlock(new Vector3($this->x, $this->y + $y, $this->z));
+					$b = $this->getLevel()->getBlock(Vector3::createVector($this->x, $this->y + $y, $this->z));
 					if($b->getID() === self::AIR){
 						Server::getInstance()->getPluginManager()->callEvent($ev = new BlockGrowEvent($b, new Sugarcane()));
 						if(!$ev->isCancelled()){
@@ -83,7 +83,7 @@ class Sugarcane extends Flowable{
 			if($this->getSide(0)->getID() !== self::SUGARCANE_BLOCK){
 				if($this->meta === 0x0F){
 					for($y = 1; $y < 3; ++$y){
-						$b = $this->getLevel()->getBlock(new Vector3($this->x, $this->y + $y, $this->z));
+						$b = $this->getLevel()->getBlock(Vector3::createVector($this->x, $this->y + $y, $this->z));
 						if($b->getID() === self::AIR){
 							$this->getLevel()->setBlock($b, new Sugarcane(), true);
 							break;

src/pocketmine/block/Thin.php

@@ -30,9 +30,6 @@ abstract class Thin extends Transparent{
 	public $isSolid = false;
 
 	public function getBoundingBox(){
-		if($this->boundingBox !== null){
-			return $this->boundingBox;
-		}
 
 		$f = 0.4375;
 		$f1 = 0.5625;
@@ -66,7 +63,7 @@ abstract class Thin extends Transparent{
 			$f3 = 1;
 		}
 
-		return $this->boundingBox = new AxisAlignedBB(
+		return AxisAlignedBB::getBoundingBoxFromPool(
 			$this->x + $f,
 			$this->y,
 			$this->z + $f2,

src/pocketmine/block/Trapdoor.php

@@ -38,9 +38,6 @@ class Trapdoor extends Transparent{
 	}
 
 	public function getBoundingBox(){
-		if($this->boundingBox !== null){
-			return $this->boundingBox;
-		}
 
 		$damage = $this->getDamage();
 
@@ -49,7 +46,7 @@ class Trapdoor extends Transparent{
 		$bb = null;
 
 		if(($damage & 0x08) > 0){
-			$bb = new AxisAlignedBB(
+			$bb = AxisAlignedBB::getBoundingBoxFromPool(
 				$this->x,
 				$this->y + 1 - $f,
 				$this->z,
@@ -58,7 +55,7 @@ class Trapdoor extends Transparent{
 				$this->z + 1
 			);
 		}else{
-			$bb = new AxisAlignedBB(
+			$bb = AxisAlignedBB::getBoundingBoxFromPool(
 				$this->x,
 				$this->y,
 				$this->z,
@@ -70,7 +67,7 @@ class Trapdoor extends Transparent{
 
 		if(($damage & 0x04) > 0){
 			if(($damage & 0x03) === 0){
-				$bb = new AxisAlignedBB(
+				$bb = AxisAlignedBB::getBoundingBoxFromPool(
 					$this->x,
 					$this->y,
 					$this->z + 1 - $f,
@@ -79,7 +76,7 @@ class Trapdoor extends Transparent{
 					$this->z + 1
 				);
 			}elseif(($damage & 0x03) === 1){
-				$bb = new AxisAlignedBB(
+				$bb = AxisAlignedBB::getBoundingBoxFromPool(
 					$this->x,
 					$this->y,
 					$this->z,
@@ -88,7 +85,7 @@ class Trapdoor extends Transparent{
 					$this->z + $f
 				);
 			}if(($damage & 0x03) === 2){
-				$bb = new AxisAlignedBB(
+				$bb = AxisAlignedBB::getBoundingBoxFromPool(
 					$this->x + 1 - $f,
 					$this->y,
 					$this->z,
@@ -97,7 +94,7 @@ class Trapdoor extends Transparent{
 					$this->z + 1
 				);
 			}if(($damage & 0x03) === 3){
-				$bb = new AxisAlignedBB(
+				$bb = AxisAlignedBB::getBoundingBoxFromPool(
 					$this->x,
 					$this->y,
 					$this->z,
@@ -108,7 +105,7 @@ class Trapdoor extends Transparent{
 			}
 		}
 
-		return $this->boundingBox = $bb;
+		return $bb;
 	}
 
 	public function place(Item $item, Block $block, Block $target, $face, $fx, $fy, $fz, Player $player = null){

src/pocketmine/block/Vine.php

@@ -44,9 +44,6 @@ class Vine extends Transparent{
 	}
 
 	public function getBoundingBox(){
-		if($this->boundingBox !== null){
-			return $this->boundingBox;
-		}
 
 		$f1 = 1;
 		$f2 = 1;
@@ -96,7 +93,7 @@ class Vine extends Transparent{
 			$f6 = 1;
 		}
 
-		return $this->boundingBox = new AxisAlignedBB(
+		return AxisAlignedBB::getBoundingBoxFromPool(
 			$this->x + $f1,
 			$this->y + $f2,
 			$this->z + $f3,

src/pocketmine/block/WoodSlab.php

@@ -46,12 +46,9 @@ class WoodSlab extends Transparent{
 	}
 
 	public function getBoundingBox(){
-		if($this->boundingBox !== null){
-			return $this->boundingBox;
-		}
 
 		if(($this->meta & 0x08) > 0){
-			return $this->boundingBox = new AxisAlignedBB(
+			return AxisAlignedBB::getBoundingBoxFromPool(
 				$this->x,
 				$this->y + 0.5,
 				$this->z,
@@ -60,7 +57,7 @@ class WoodSlab extends Transparent{
 				$this->z + 1
 			);
 		}else{
-			return $this->boundingBox = new AxisAlignedBB(
+			return AxisAlignedBB::getBoundingBoxFromPool(
 				$this->x,
 				$this->y,
 				$this->z,

src/pocketmine/command/defaults/TeleportCommand.php

@@ -98,7 +98,7 @@ class TeleportCommand extends VanillaCommand{
 			$x = $this->getRelativeDouble($target->x, $sender, $args[$pos++]);
 			$y = $this->getRelativeDouble($target->y, $sender, $args[$pos++], 0, 128);
 			$z = $this->getRelativeDouble($target->z, $sender, $args[$pos]);
-			$target->teleport(new Vector3($x, $y, $z));
+			$target->teleport(Vector3::createVector($x, $y, $z));
 			Command::broadcastCommandMessage($sender, "Teleported " . $target->getDisplayName() . " to " . round($x, 2) . ", " . round($y, 2) . ", " . round($z, 2));
 
 			return true;

src/pocketmine/entity/Arrow.php

@@ -87,7 +87,7 @@ class Arrow extends Projectile{
 
 			$this->keepMovement = $this->checkObstruction($this->x, ($this->boundingBox->minY + $this->boundingBox->maxY) / 2, $this->z);
 
-			$moveVector = new Vector3($this->x + $this->motionX, $this->y + $this->motionY, $this->z + $this->motionZ);
+			$moveVector = Vector3::createVector($this->x + $this->motionX, $this->y + $this->motionY, $this->z + $this->motionZ);
 
 			$list = $this->getLevel()->getCollidingEntities($this->boundingBox->addCoord($this->motionX, $this->motionY, $this->motionZ)->expand(1, 1, 1), $this);
 

src/pocketmine/entity/DroppedItem.php

@@ -99,7 +99,7 @@ class DroppedItem extends Entity{
 			$friction = 1 - $this->drag;
 
 			if($this->onGround and ($this->motionX != 0 or $this->motionZ != 0)){
-				$friction = $this->getLevel()->getBlock(new Vector3($this->getFloorX(), $this->getFloorY() - 1, $this->getFloorZ()))->frictionFactor * $friction;
+				$friction = $this->getLevel()->getBlock(Vector3::createVector($this->getFloorX(), $this->getFloorY() - 1, $this->getFloorZ()))->frictionFactor * $friction;
 			}
 
 			$this->motionX *= $friction;

src/pocketmine/entity/Entity.php

@@ -173,7 +173,7 @@ abstract class Entity extends Location implements Metadatable{
 
 		$this->boundingBox = new AxisAlignedBB(0, 0, 0, 0, 0, 0);
 		$this->setPositionAndRotation(
-			new Vector3(
+			Vector3::createVector(
 				$this->namedtag["Pos"][0],
 				$this->namedtag["Pos"][1],
 				$this->namedtag["Pos"][2]
@@ -182,7 +182,7 @@ abstract class Entity extends Location implements Metadatable{
 			$this->namedtag->Rotation[1],
 			true
 		);
-		$this->setMotion(new Vector3($this->namedtag["Motion"][0], $this->namedtag["Motion"][1], $this->namedtag["Motion"][2]));
+		$this->setMotion(Vector3::createVector($this->namedtag["Motion"][0], $this->namedtag["Motion"][1], $this->namedtag["Motion"][2]));
 
 		if(!isset($this->namedtag->FallDistance)){
 			$this->namedtag->FallDistance = new Float("FallDistance", 0);
@@ -387,15 +387,15 @@ abstract class Entity extends Location implements Metadatable{
 
 		$list = $this->level->getCollisionBlocks($this->boundingBox);
 
-		if(count($list) === 0 and !$this->level->isFullBlock(new Vector3($i, $j, $k))){
+		if(count($list) === 0 and !$this->level->isFullBlock(Vector3::createVector($i, $j, $k))){
 			return false;
 		}else{
-			$flag = !$this->level->isFullBlock(new Vector3($i - 1, $j, $k));
+			$flag = !$this->level->isFullBlock(Vector3::createVector($i - 1, $j, $k));
-			$flag1 = !$this->level->isFullBlock(new Vector3($i + 1, $j, $k));
+			$flag1 = !$this->level->isFullBlock(Vector3::createVector($i + 1, $j, $k));
-			//$flag2 = !$this->level->isFullBlock(new Vector3($i, $j - 1, $k));
+			//$flag2 = !$this->level->isFullBlock(Vector3::createVector($i, $j - 1, $k));
-			$flag3 = !$this->level->isFullBlock(new Vector3($i, $j + 1, $k));
+			$flag3 = !$this->level->isFullBlock(Vector3::createVector($i, $j + 1, $k));
-			$flag4 = !$this->level->isFullBlock(new Vector3($i, $j, $k - 1));
+			$flag4 = !$this->level->isFullBlock(Vector3::createVector($i, $j, $k - 1));
-			$flag5 = !$this->level->isFullBlock(new Vector3($i, $j, $k + 1));
+			$flag5 = !$this->level->isFullBlock(Vector3::createVector($i, $j, $k + 1));
 
 			$direction = 3; //UP!
 			$limit = 9999;
@@ -583,7 +583,7 @@ abstract class Entity extends Location implements Metadatable{
 		$x = -$xz * sin(deg2rad($this->yaw));
 		$z = $xz * cos(deg2rad($this->yaw));
 
-		return new Vector3($x, $y, $z);
+		return Vector3::createVector($x, $y, $z);
 	}
 
 	public function onUpdate($currentTick){
@@ -745,7 +745,7 @@ abstract class Entity extends Location implements Metadatable{
 	}
 
 	public function isInsideOfWater(){
-		$block = $this->level->getBlock($pos = (new Vector3($this->x, $y = ($this->y + $this->getEyeHeight()), $this->z))->floor());
+		$block = $this->level->getBlock($pos = Vector3::createVector($this->x, $y = ($this->y + $this->getEyeHeight()), $this->z)->floor());
 
 		if($block instanceof Water){
 			$f = ($pos->y + 1) - ($block->getFluidHeightPercent() - 0.1111111);
@@ -756,7 +756,7 @@ abstract class Entity extends Location implements Metadatable{
 	}
 
 	public function isInsideOfSolid(){
-		$block = $this->level->getBlock($pos = (new Vector3($this->x, $y = ($this->y + $this->getEyeHeight()), $this->z))->floor());
+		$block = $this->level->getBlock($pos = Vector3::createVector($this->x, $y = ($this->y + $this->getEyeHeight()), $this->z)->floor());
 
 		$bb = $block->getBoundingBox();
 
@@ -779,7 +779,7 @@ abstract class Entity extends Location implements Metadatable{
 
 		if($this->keepMovement){
 			$this->boundingBox->offset($dx, $dy, $dz);
-			$pos = new Vector3(($this->boundingBox->minX + $this->boundingBox->maxX) / 2, $this->boundingBox->minY - $this->ySize, ($this->boundingBox->minZ + $this->boundingBox->maxZ) / 2);
+			$pos = Vector3::createVector(($this->boundingBox->minX + $this->boundingBox->maxX) / 2, $this->boundingBox->minY - $this->ySize, ($this->boundingBox->minZ + $this->boundingBox->maxZ) / 2);
 			$this->setPosition($pos);
 		}else{
 
@@ -803,7 +803,7 @@ abstract class Entity extends Location implements Metadatable{
 			$movY = $dy;
 			$movZ = $dz;
 
-			$axisalignedbb = clone $this->boundingBox;
+			$axisalignedbb = AxisAlignedBB::cloneBoundingBoxFromPool($this->boundingBox);
 
 			/*$sneakFlag = $this->onGround and $this instanceof Player;
 
@@ -881,7 +881,7 @@ abstract class Entity extends Location implements Metadatable{
 				$dy = $this->stepHeight;
 				$dz = $movZ;
 
-				$axisalignedbb1 = clone $this->boundingBox;
+				$axisalignedbb1 = AxisAlignedBB::cloneBoundingBoxFromPool($this->boundingBox);
 
 				$this->boundingBox->setBB($axisalignedbb);
 
@@ -941,7 +941,7 @@ abstract class Entity extends Location implements Metadatable{
 
 			}
 
-			$pos = new Vector3(
+			$pos = Vector3::createVector(
 				($this->boundingBox->minX + $this->boundingBox->maxX) / 2,
 				$this->boundingBox->minY - $this->ySize,
 				($this->boundingBox->minZ + $this->boundingBox->maxZ) / 2
@@ -956,7 +956,7 @@ abstract class Entity extends Location implements Metadatable{
 
 				if($this instanceof Player){
 					if(!$this->onGround or $movY != 0){
-						$bb = clone $this->boundingBox;
+						$bb = AxisAlignedBB::cloneBoundingBoxFromPool($this->boundingBox);
 						$bb->maxY = $bb->minY + 1;
 						if(count($this->level->getCollisionBlocks($bb->expand(0.01, 0.01, 0.01))) > 0){
 							$this->onGround = true;
@@ -998,12 +998,13 @@ abstract class Entity extends Location implements Metadatable{
 		$maxY = Math::floorFloat($this->boundingBox->maxY - 0.001);
 		$maxZ = Math::floorFloat($this->boundingBox->maxZ - 0.001);
 
-		$vector = new Vector3(0, 0, 0);
+		$vector = Vector3::createVector(0, 0, 0);
+		$v = Vector3::createVector(0, 0, 0);
 
-		for($z = $minZ; $z <= $maxZ; ++$z){
+		for($v->z = $minZ; $v->z < $maxZ; ++$v->z){
-			for($x = $minX; $x <= $maxX; ++$x){
+			for($v->x = $minX; $v->x < $maxX; ++$v->x){
-				for($y = $minY; $y <= $maxY; ++$y){
+				for($v->y = $minY; $v->y < $maxY; ++$v->y){
-					$block = $this->level->getBlock(new Vector3($x, $y, $z));
+					$block = $this->level->getBlock($v);
 					if($block !== null and $block->hasEntityCollision){
 						$block->onEntityCollide($this);
 						if(!($this instanceof Player)){
@@ -1082,7 +1083,7 @@ abstract class Entity extends Location implements Metadatable{
 	}
 
 	public function getMotion(){
-		return new Vector3($this->motionX, $this->motionY, $this->motionZ);
+		return Vector3::createVector($this->motionX, $this->motionY, $this->motionZ);
 	}
 
 	public function setMotion(Vector3 $motion){
@@ -1145,7 +1146,7 @@ abstract class Entity extends Location implements Metadatable{
 		$this->ySize = 0;
 		$pos = $ev->getTo();
 
-		$this->setMotion(new Vector3(0, 0, 0));
+		$this->setMotion(Vector3::createVector(0, 0, 0));
 		if($this->setPositionAndRotation($pos, $yaw === null ? $this->yaw : $yaw, $pitch === null ? $this->pitch : $pitch, true) !== false){
 			$this->fallDistance = 0;
 			$this->onGround = true;

src/pocketmine/entity/FallingBlock.php

@@ -27,6 +27,7 @@ use pocketmine\event\entity\EntityBlockChangeEvent;
 use pocketmine\event\entity\EntityDamageEvent;
 use pocketmine\event\entity\EntityRegainHealthEvent;
 use pocketmine\item\Item;
+use pocketmine\math\Vector3;
 use pocketmine\nbt\tag\Byte;
 use pocketmine\nbt\tag\String;
 use pocketmine\network\protocol\AddEntityPacket;
@@ -81,12 +82,12 @@ class FallingBlock extends Entity{
 
 		if(!$this->dead){
 			if($this->ticksLived === 1){
-				$block = $this->level->getBlock($this->floor());
+				$block = $this->level->getBlock($pos = Vector3::createVector($this->x, $this->y, $this->z)->floor());
 				if($block->getID() != $this->blockId){
 					$this->kill();
 					return true;
 				}
-				$this->level->setBlock($this->floor(), Block::get(0), true);
+				$this->level->setBlock($pos, Block::get(0), true);
 
 			}
 
@@ -100,7 +101,7 @@ class FallingBlock extends Entity{
 			$this->motionY *= 1 - $this->drag;
 			$this->motionZ *= $friction;
 
-			$pos = $this->floor();
+			$pos = Vector3::createVector($this->x, $this->y, $this->z)->floor();
 
 			if($this->onGround){
 				$this->kill();

src/pocketmine/entity/Living.php

@@ -65,7 +65,7 @@ abstract class Living extends Entity implements Damageable{
 	public function hasLineOfSight(Entity $entity){
 		//TODO: head height
 		return true;
-		//return $this->getLevel()->rayTraceBlocks(new Vector3($this->x, $this->y + $this->height, $this->z), new Vector3($entity->x, $entity->y + $entity->height, $entity->z)) === null;
+		//return $this->getLevel()->rayTraceBlocks(Vector3::createVector($this->x, $this->y + $this->height, $this->z), Vector3::createVector($entity->x, $entity->y + $entity->height, $entity->z)) === null;
 	}
 
 	public function attack($damage, $source = EntityDamageEvent::CAUSE_MAGIC){
@@ -99,7 +99,7 @@ abstract class Living extends Entity implements Damageable{
 		$f = sqrt($x ** 2 + $z ** 2);
 		$base = 0.4;
 
-		$motion = new Vector3($this->motionX, $this->motionY, $this->motionZ);
+		$motion = Vector3::createVector($this->motionX, $this->motionY, $this->motionZ);
 
 		$motion->x /= 2;
 		$motion->y /= 2;

src/pocketmine/event/inventory/InventoryTransactionEvent.php

@@ -42,6 +42,9 @@ class InventoryTransactionEvent extends Event implements Cancellable{
 		$this->ts = $ts;
 	}
 
+	/**
+	 * @return TransactionGroup
+	 */
 	public function getTransaction(){
 		return $this->ts;
 	}

src/pocketmine/inventory/SimpleTransactionGroup.php

@@ -129,9 +129,8 @@ class SimpleTransactionGroup implements TransactionGroup{
 	public function canExecute(){
 		$haveItems = [];
 		$needItems = [];
-		$this->matchItems($haveItems, $needItems);
 
-		return count($haveItems) === 0 and count($needItems) === 0 and count($this->transactions) > 0;
+		return $this->matchItems($haveItems, $needItems) and count($haveItems) === 0 and count($needItems) === 0 and count($this->transactions) > 0;
 	}
 
 	public function execute(){

src/pocketmine/level/Explosion.php

@@ -84,27 +84,31 @@ class Explosion{
 			return false;
 		}
 
+		$pointer = Vector3::createVector(0, 0, 0);
+		$vector = Vector3::createVector(0, 0, 0);
+		$vBlock = Vector3::createVector(0, 0, 0);
+
 		$mRays = $this->rays - 1;
 		for($i = 0; $i < $this->rays; ++$i){
 			for($j = 0; $j < $this->rays; ++$j){
 				//break 2 gets here
 				for($k = 0; $k < $this->rays; ++$k){
 					if($i == 0 or $i == $mRays or $j == 0 or $j == $mRays or $k == 0 or $k == $mRays){
-						$vector = new Vector3($i / $mRays * 2 - 1, $j / $mRays * 2 - 1, $k / $mRays * 2 - 1); //($i / $mRays) * 2 - 1
+						$vector->setComponents($i / $mRays * 2 - 1, $j / $mRays * 2 - 1, $k / $mRays * 2 - 1);
-						$vector = $vector->normalize()->multiply($this->stepLen);
+						$vector->setComponents(($vector->x / ($len = $vector->length())) * $this->stepLen, ($vector->y / $len) * $this->stepLen, ($vector->z / $len) * $this->stepLen);
-						$pointer = clone $this->source;
+						$pointer->setComponents($this->source->x, $this->source->y, $this->source->z);
 
 						for($blastForce = $this->size * (mt_rand(700, 1300) / 1000); $blastForce > 0; $blastForce -= $this->stepLen * 0.75){
-							$vBlock = $pointer->floor();
+							$x = (int) $pointer->x;
+							$y = (int) $pointer->y;
+							$z = (int) $pointer->z;
+							$vBlock->setComponents($pointer->x >= $x ? $x : $x - 1, $pointer->y >= $y ? $y : $y - 1, $pointer->z >= $z ? $z : $z - 1);
 							if($vBlock->y < 0 or $vBlock->y > 127){
 								break;
 							}
 							$block = $this->level->getBlock($vBlock);
 
 							if(!($block instanceof Air)){
-								$block->x = $vBlock->x;
-								$block->y = $vBlock->y;
-								$block->z = $vBlock->z;
 								$blastForce -= ($block->getHardness() / 5 + 0.3) * $this->stepLen;
 								if($blastForce > 0){
 									$index = ($block->x << 15) + ($block->z << 7) + $block->y;
@@ -113,7 +117,9 @@ class Explosion{
 									}
 								}
 							}
-							$pointer = $pointer->add($vector);
+							$pointer->x += $vector->x;
+							$pointer->y += $vector->y;
+							$pointer->z += $vector->z;
 						}
 					}
 				}
@@ -125,7 +131,7 @@ class Explosion{
 
 	public function explodeB(){
 		$send = [];
-		$source = $this->source->floor();
+		$source = Vector3::cloneVector($this->source)->floor();
 		$yield = (1 / $this->size) * 100;
 
 		if($this->what instanceof Entity){
@@ -146,7 +152,7 @@ class Explosion{
 		$minZ = Math::floorFloat($this->source->z - $explosionSize - 1);
 		$maxZ = Math::floorFloat($this->source->z + $explosionSize + 1);
 
-		$explosionBB = new AxisAlignedBB($minX, $minY, $minZ, $maxX, $maxY, $maxZ);
+		$explosionBB = AxisAlignedBB::getBoundingBoxFromPool($minX, $minY, $minZ, $maxX, $maxY, $maxZ);
 
 		$list = $this->level->getNearbyEntities($explosionBB, $this->what instanceof Entity ? $this->what : null);
 		foreach($list as $entity){

src/pocketmine/level/Level.php

@@ -742,10 +742,12 @@ class Level implements ChunkManager, Metadatable{
 
 		$collides = [];
 
-		for($z = $minZ; $z < $maxZ; ++$z){
+		$v = Vector3::createVector(0, 0, 0);
-			for($x = $minX; $x < $maxX; ++$x){
+
-				for($y = $minY - 1; $y < $maxY; ++$y){
+		for($v->z = $minZ; $v->z < $maxZ; ++$v->z){
-					$block = $this->getBlock(new Vector3($x, $y, $z));
+			for($v->x = $minX; $v->x < $maxX; ++$v->x){
+				for($v->y = $minY - 1; $v->y < $maxY; ++$v->y){
+					$block = $this->getBlock($v);
 					if(!($block instanceof Air)){
 						$block->collidesWithBB($bb, $collides);
 					}
@@ -787,11 +789,12 @@ class Level implements ChunkManager, Metadatable{
 		$maxZ = Math::floorFloat($bb->maxZ + 1);
 
 		$collides = [];
+		$v = Vector3::createVector(0, 0, 0);
 
-		for($z = $minZ; $z < $maxZ; ++$z){
+		for($v->z = $minZ; $v->z < $maxZ; ++$v->z){
-			for($x = $minX; $x < $maxX; ++$x){
+			for($v->x = $minX; $v->x < $maxX; ++$v->x){
-				for($y = $minY - 1; $y < $maxY; ++$y){
+				for($v->y = $minY - 1; $v->y < $maxY; ++$v->y){
-					$block = $this->getBlock(new Vector3($x, $y, $z));
+					$block = $this->getBlock($v);
 					if(!($block instanceof Air)){
 						$block->collidesWithBB($bb, $collides);
 					}
@@ -801,7 +804,7 @@ class Level implements ChunkManager, Metadatable{
 
 		if($entities){
 			foreach($this->getCollidingEntities($bb->grow(0.25, 0.25, 0.25), $entity) as $ent){
-				$collides[] = clone $ent->boundingBox;
+				$collides[] = AxisAlignedBB::cloneBoundingBoxFromPool($ent->boundingBox);
 			}
 		}
 
@@ -819,7 +822,7 @@ class Level implements ChunkManager, Metadatable{
 				$y2 = (int) $pos2->y;
 				$z2 = (int) $pos2->z;
 
-				$block = $this->getBlock(new Vector3($x1, $y1, $z1));
+				$block = $this->getBlock(Vector3::createVector($x1, $y1, $z1));
 
 				if(!$flag1 or $block->getBoundingBox() !== null){
 					$ob = $block->calculateIntercept($pos1, $pos2);
@@ -976,7 +979,7 @@ class Level implements ChunkManager, Metadatable{
 				$this->server->getPluginManager()->callEvent($ev = new BlockUpdateEvent($block));
 				if(!$ev->isCancelled()){
 					$ev->getBlock()->onUpdate(self::BLOCK_UPDATE_NORMAL);
-					foreach($this->getNearbyEntities(new AxisAlignedBB($block->x - 1, $block->y - 1, $block->z - 1, $block->x + 2, $block->y + 2, $block->z + 2)) as $entity){
+					foreach($this->getNearbyEntities(AxisAlignedBB::getBoundingBoxFromPool($block->x - 1, $block->y - 1, $block->z - 1, $block->x + 2, $block->y + 2, $block->z + 2)) as $entity){
 						$entity->scheduleUpdate();
 					}
 				}
@@ -991,7 +994,7 @@ class Level implements ChunkManager, Metadatable{
 	 * @param int     $delay
 	 */
 	public function dropItem(Vector3 $source, Item $item, Vector3 $motion = null, $delay = 10){
-		$motion = $motion === null ? new Vector3(lcg_value() * 0.2 - 0.1, 0.2, lcg_value() * 0.2 - 0.1) : $motion;
+		$motion = $motion === null ? Vector3::createVector(lcg_value() * 0.2 - 0.1, 0.2, lcg_value() * 0.2 - 0.1) : $motion;
 		if($item->getID() > 0 and $item->getCount() > 0){
 			$itemEntity = new DroppedItem($this->getChunk($source->getX() >> 4, $source->getZ() >> 4), new Compound("", [
 				"Pos" => new Enum("Pos", [
@@ -1074,7 +1077,7 @@ class Level implements ChunkManager, Metadatable{
 		$level = $target->getLevel();
 
 		if($level instanceof Level){
-			$above = $level->getBlock(new Vector3($target->x, $target->y + 1, $target->z));
+			$above = $level->getBlock(Vector3::createVector($target->x, $target->y + 1, $target->z));
 			if($above instanceof Block){
 				if($above->getID() === Item::FIRE){
 					$level->setBlock($above, new Air(), true);
@@ -1258,7 +1261,7 @@ class Level implements ChunkManager, Metadatable{
 	}
 
 	/**
-	 * Gets the list of all the entitites in this level
+	 * Gets the list of all the entities in this level
 	 *
 	 * @return Entity[]
 	 */
@@ -1923,27 +1926,26 @@ class Level implements ChunkManager, Metadatable{
 			$x = Math::floorFloat($spawn->x);
 			$y = Math::floorFloat($spawn->y);
 			$z = Math::floorFloat($spawn->z);
-			for(; $y > 0; --$y){
+			$v = Vector3::createVector($x, $y, $z);
-				$v = new Vector3($x, $y, $z);
+			for(; $v->y > 0; --$v->y){
 				$b = $this->getBlock($v->getSide(0));
-				if($b === false){
+				if($b === null){
 					return $spawn;
 				}elseif(!($b instanceof Air)){
 					break;
 				}
 			}
-			for(; $y < 128; ++$y){
+			for(; $v->y < 128; ++$v->y){
-				$v = new Vector3($x, $y, $z);
 				if($this->getBlock($v->getSide(1)) instanceof Air){
 					if($this->getBlock($v) instanceof Air){
-						return new Position($spawn->x, $y === Math::floorFloat($spawn->y) ? $spawn->y : $y, $spawn->z, $this);
+						return new Position($spawn->x, $v->y === Math::floorFloat($spawn->y) ? $spawn->y : $v->y, $spawn->z, $this);
 					}
 				}else{
-					++$y;
+					++$v->y;
 				}
 			}
 
-			return new Position($spawn->x, $y, $spawn->z, $this);
+			return new Position($spawn->x, $v->y, $spawn->z, $this);
 		}
 
 		return false;

src/pocketmine/level/MovingObjectPosition.php

@@ -64,7 +64,7 @@ class MovingObjectPosition{
 		$ob->blockX = $x;
 		$ob->blockY = $y;
 		$ob->blockZ = $z;
-		$ob->hitVector = new Vector3($hitVector->x, $hitVector->y, $hitVector->z);
+		$ob->hitVector = Vector3::createVector($hitVector->x, $hitVector->y, $hitVector->z);
 		return $ob;
 	}
 
@@ -77,7 +77,7 @@ class MovingObjectPosition{
 		$ob = new MovingObjectPosition;
 		$ob->typeOfHit = 1;
 		$ob->entityHit = $entity;
-		$ob->hitVector = new Vector3($entity->x, $entity->y, $entity->z);
+		$ob->hitVector = Vector3::createVector($entity->x, $entity->y, $entity->z);
 		return $ob;
 	}
 }

src/pocketmine/math/AxisAlignedBB.php

@@ -22,11 +22,13 @@
 namespace pocketmine\math;
 use pocketmine\level\MovingObjectPosition;
 
-/**
- * WARNING: This class is available on the PocketMine-MP Zephir project.
- * If this class is modified, remember to modify the PHP C extension.
- */
 class AxisAlignedBB{
+
+
+	/** @var AxisAlignedBB[] */
+	private static $boundingBoxes = [];
+	private static $nextBoundingBox = 0;
+
 	public $minX;
 	public $minY;
 	public $minZ;
@@ -43,6 +45,46 @@ class AxisAlignedBB{
 		$this->maxZ = $maxZ;
 	}
 
+	public static function clearBoundingBoxes(){
+		self::$nextBoundingBox = 0;
+		self::$boundingBoxes = [];
+	}
+
+	public static function clearBoundingBoxPool(){
+		self::$nextBoundingBox = 0;
+	}
+
+	/**
+	 * @param $minX
+	 * @param $minY
+	 * @param $minZ
+	 * @param $maxX
+	 * @param $maxY
+	 * @param $maxZ
+	 *
+	 * @return AxisAlignedBB
+	 */
+	public static function getBoundingBoxFromPool($minX, $minY, $minZ, $maxX, $maxY, $maxZ){
+		if(self::$nextBoundingBox >= count(self::$boundingBoxes)){
+			self::$boundingBoxes[] = new AxisAlignedBB(0, 0, 0, 0, 0, 0);
+		}
+
+		return self::$boundingBoxes[self::$nextBoundingBox++]->setBounds($minX, $minY, $minZ, $maxX, $maxY, $maxZ);
+	}
+
+	/**
+	 * @param AxisAlignedBB $bb
+	 *
+	 * @return AxisAlignedBB
+	 */
+	public static function cloneBoundingBoxFromPool(AxisAlignedBB $bb){
+		if(self::$nextBoundingBox >= count(self::$boundingBoxes)){
+			self::$boundingBoxes[] = new AxisAlignedBB(0, 0, 0, 0, 0, 0);
+		}
+
+		return self::$boundingBoxes[self::$nextBoundingBox++]->setBounds($bb->minX, $bb->minY, $bb->minZ, $bb->maxX, $bb->maxY, $bb->maxZ);
+	}
+
 	public function setBounds($minX, $minY, $minZ, $maxX, $maxY, $maxZ){
 		$this->minX = $minX;
 		$this->minY = $minY;
@@ -55,7 +97,7 @@ class AxisAlignedBB{
 	}
 
 	public function addCoord($x, $y, $z){
-		$vec = clone $this;
+		$vec = self::cloneBoundingBoxFromPool($this);
 		
 		if($x < 0){
 			$vec->minX += $x;
@@ -79,7 +121,7 @@ class AxisAlignedBB{
 	}
 
 	public function grow($x, $y, $z){
-		$vec = clone $this;
+		$vec = self::cloneBoundingBoxFromPool($this);
 		$vec->minX -= $x;
 		$vec->minY -= $y;
 		$vec->minZ -= $z;
@@ -113,7 +155,7 @@ class AxisAlignedBB{
 	}
 
 	public function shrink($x, $y, $z){
-		$vec = clone $this;
+		$vec = self::cloneBoundingBoxFromPool($this);
 		$vec->minX += $x;
 		$vec->minY += $y;
 		$vec->minZ += $z;
@@ -146,7 +188,7 @@ class AxisAlignedBB{
 	}
 
 	public function getOffsetBoundingBox($x, $y, $z){
-		$vec = clone $this;
+		$vec = self::cloneBoundingBoxFromPool($this);
 		$vec->minX += $x;
 		$vec->minY += $y;
 		$vec->minZ += $z;

src/pocketmine/math/Vector3.php

@@ -27,6 +27,10 @@ namespace pocketmine\math;
  */
 class Vector3{
 
+	/** @var Vector3[] */
+	private static $vectorList = [];
+	private static $nextVector = 0;
+
 	const SIDE_DOWN = 0;
 	const SIDE_UP = 1;
 	const SIDE_NORTH = 2;
@@ -44,6 +48,38 @@ class Vector3{
 		$this->z = $z;
 	}
 
+	public static function clearVectors(){
+		self::$nextVector = 0;
+		self::$vectorList = [];
+	}
+
+	public static function clearVectorList(){
+		self::$nextVector = 0;
+	}
+
+	/**
+	 * @param $x
+	 * @param $y
+	 * @param $z
+	 *
+	 * @return Vector3
+	 */
+	public static function createVector($x, $y, $z){
+		if(self::$nextVector >= count(self::$vectorList)){
+			self::$vectorList[] = new Vector3(0, 0, 0);
+		}
+
+		return self::$vectorList[self::$nextVector++]->setComponents($x, $y, $z);
+	}
+
+	public static function cloneVector(Vector3 $vector){
+		if(self::$nextVector >= count(self::$vectorList)){
+			self::$vectorList[] = new Vector3(0, 0, 0);
+		}
+
+		return self::$vectorList[self::$nextVector++]->setComponents($vector->x, $vector->y, $vector->z);
+	}
+
 	public function getX(){
 		return $this->x;
 	}
@@ -97,9 +133,9 @@ class Vector3{
 	 */
 	public function add($x, $y = 0, $z = 0){
 		if($x instanceof Vector3){
-			return new Vector3($this->x + $x->x, $this->y + $x->y, $this->z + $x->z);
+			return self::createVector($this->x + $x->x, $this->y + $x->y, $this->z + $x->z);
 		}else{
-			return new Vector3($this->x + $x, $this->y + $y, $this->z + $z);
+			return self::createVector($this->x + $x, $this->y + $y, $this->z + $z);
 		}
 	}
 
@@ -119,15 +155,15 @@ class Vector3{
 	}
 
 	public function multiply($number){
-		return new Vector3($this->x * $number, $this->y * $number, $this->z * $number);
+		return self::createVector($this->x * $number, $this->y * $number, $this->z * $number);
 	}
 
 	public function divide($number){
-		return new Vector3($this->x / $number, $this->y / $number, $this->z / $number);
+		return self::createVector($this->x / $number, $this->y / $number, $this->z / $number);
 	}
 
 	public function ceil(){
-		return new Vector3((int) ($this->x + 1), (int) ($this->y + 1), (int) ($this->z + 1));
+		return self::createVector((int) ($this->x + 1), (int) ($this->y + 1), (int) ($this->z + 1));
 	}
 
 	public function floor(){
@@ -148,17 +184,17 @@ class Vector3{
 	public function getSide($side, $step = 1){
 		switch((int) $side){
 			case self::SIDE_DOWN:
-				return new Vector3($this->x, $this->y - $step, $this->z);
+				return self::createVector($this->x, $this->y - $step, $this->z);
 			case self::SIDE_UP:
-				return new Vector3($this->x, $this->y + $step, $this->z);
+				return self::createVector($this->x, $this->y + $step, $this->z);
 			case self::SIDE_NORTH:
-				return new Vector3($this->x, $this->y, $this->z - $step);
+				return self::createVector($this->x, $this->y, $this->z - $step);
 			case self::SIDE_SOUTH:
-				return new Vector3($this->x, $this->y, $this->z + $step);
+				return self::createVector($this->x, $this->y, $this->z + $step);
 			case self::SIDE_WEST:
-				return new Vector3($this->x - $step, $this->y, $this->z);
+				return self::createVector($this->x - $step, $this->y, $this->z);
 			case self::SIDE_EAST:
-				return new Vector3($this->x + $step, $this->y, $this->z);
+				return self::createVector($this->x + $step, $this->y, $this->z);
 			default:
 				return $this;
 		}
@@ -218,7 +254,7 @@ class Vector3{
 			return $this->divide($len);
 		}
 
-		return new Vector3(0, 0, 0);
+		return self::createVector(0, 0, 0);
 	}
 
 	public function dot(Vector3 $v){
@@ -226,7 +262,7 @@ class Vector3{
 	}
 
 	public function cross(Vector3 $v){
-		return new Vector3(
+		return self::createVector(
 			$this->y * $v->z - $this->z * $v->y,
 			$this->z * $v->x - $this->x * $v->z,
 			$this->x * $v->y - $this->y * $v->x
@@ -256,7 +292,7 @@ class Vector3{
 		if($f < 0 or $f > 1){
 			return null;
 		}else{
-			return new Vector3($this->x + $xDiff * $f, $this->y + $yDiff * $f, $this->z + $zDiff * $f);
+			return self::createVector($this->x + $xDiff * $f, $this->y + $yDiff * $f, $this->z + $zDiff * $f);
 		}
 	}
 
@@ -283,7 +319,7 @@ class Vector3{
 		if($f < 0 or $f > 1){
 			return null;
 		}else{
-			return new Vector3($this->x + $xDiff * $f, $this->y + $yDiff * $f, $this->z + $zDiff * $f);
+			return self::createVector($this->x + $xDiff * $f, $this->y + $yDiff * $f, $this->z + $zDiff * $f);
 		}
 	}
 
@@ -310,10 +346,24 @@ class Vector3{
 		if($f < 0 or $f > 1){
 			return null;
 		}else{
-			return new Vector3($this->x + $xDiff * $f, $this->y + $yDiff * $f, $this->z + $zDiff * $f);
+			return self::createVector($this->x + $xDiff * $f, $this->y + $yDiff * $f, $this->z + $zDiff * $f);
 		}
 	}
 
+	/**
+	 * @param $x
+	 * @param $y
+	 * @param $z
+	 *
+	 * @return Vector3
+	 */
+	public function setComponents($x, $y, $z){
+		$this->x = $x;
+		$this->y = $y;
+		$this->z = $z;
+		return $this;
+	}
+
 	public function __toString(){
 		return "Vector3(x=" . $this->x . ",y=" . $this->y . ",z=" . $this->z . ")";
 	}

src/pocketmine/tile/Chest.php

@@ -196,7 +196,7 @@ class Chest extends Spawnable implements InventoryHolder, Container{
 	 */
 	public function getPair(){
 		if($this->isPaired()){
-			$tile = $this->getLevel()->getTile(new Vector3((int) $this->namedtag["pairx"], $this->y, (int) $this->namedtag["pairz"]));
+			$tile = $this->getLevel()->getTile(Vector3::createVector((int) $this->namedtag["pairx"], $this->y, (int) $this->namedtag["pairz"]));
 			if($tile instanceof Chest){
 				return $tile;
 			}

src/pocketmine/utils/BlockIterator.php

@@ -58,7 +58,7 @@ class BlockIterator implements \Iterator{
 		$this->level = $level;
 		$this->maxDistance = (int) $maxDistance;
 
-		$startClone = clone $start;
+		$startClone = Vector3::createVector($start->x, $start->y, $start->z);
 		$startClone->y += $yOffset;
 
 		$this->currentDistance = 0;
@@ -71,7 +71,7 @@ class BlockIterator implements \Iterator{
 		$secondPosition = 0;
 		$thirdPosition = 0;
 
-		$startBlock = $this->level->getBlock($startClone->floor());
+		$startBlock = $this->level->getBlock(Vector3::createVector($startClone->x, $startClone->y, $startClone->z)->floor());
 
 		if($this->getXLength($direction) > $mainDirection){
 			$this->mainFace = $this->getXFace($direction);