Blocks now save their bounding box, fixed entity block collision check

src/pocketmine/block/Bed.php

@@ -35,7 +35,7 @@ class Bed extends Transparent{
 		$this->hardness = 1;
 	}
 
-	public function getBoundingBox(){
+	protected function recalculateBoundingBox(){
 		return AxisAlignedBB::getBoundingBoxFromPool(
 			$this->x,
 			$this->y,

src/pocketmine/block/Block.php

@@ -528,6 +528,9 @@ class Block extends Position implements Metadatable{
 	public $z = 0;
 	public $frictionFactor = 0.6;
 
+	/** @var AxisAlignedBB */
+	protected $boundingBox = null;
+
 	public static function init(){
 		if(count(self::$list) === 0){
 			self::$list = [
@@ -897,6 +900,17 @@ class Block extends Position implements Metadatable{
 	 * @return AxisAlignedBB
 	 */
 	public function getBoundingBox(){
+		if($this->boundingBox !== null){
+			return $this->boundingBox;
+		}else{
+			return $this->boundingBox = $this->recalculateBoundingBox();
+		}
+	}
+
+	/**
+	 * @return AxisAlignedBB
+	 */
+	protected function recalculateBoundingBox(){
 		return AxisAlignedBB::getBoundingBoxFromPool(
 			$this->x,
 			$this->y,

src/pocketmine/block/Cactus.php

@@ -42,7 +42,7 @@ class Cactus extends Transparent{
 		$this->hardness = 2;
 	}
 
-	public function getBoundingBox(){
+	protected function recalculateBoundingBox(){
 
 		return AxisAlignedBB::getBoundingBoxFromPool(
 			$this->x + 0.0625,

src/pocketmine/block/Cake.php

@@ -37,7 +37,7 @@ class Cake extends Transparent{
 		$this->hardness = 2.5;
 	}
 
-	public function getBoundingBox(){
+	protected function recalculateBoundingBox(){
 
 		$f = (1 + $this->getDamage() * 2) / 16;
 

src/pocketmine/block/Carpet.php

@@ -53,7 +53,7 @@ class Carpet extends Flowable{
 		$this->isSolid = true;
 	}
 
-	public function getBoundingBox(){
+	protected function recalculateBoundingBox(){
 
 		return AxisAlignedBB::getBoundingBoxFromPool(
 			$this->x,

src/pocketmine/block/Chest.php

@@ -42,7 +42,7 @@ class Chest extends Transparent{
 		$this->hardness = 15;
 	}
 
-	public function getBoundingBox(){
+	protected function recalculateBoundingBox(){
 
 		return AxisAlignedBB::getBoundingBoxFromPool(
 			$this->x + 0.0625,

src/pocketmine/block/Door.php

@@ -52,7 +52,7 @@ abstract class Door extends Transparent{
 		return $first & 0x07 | ($flag ? 8 : 0) | ($flag1 ? 0x10 : 0);
 	}
 
-	public function getBoundingBox(){
+	protected function recalculateBoundingBox(){
 
 		$f = 0.1875;
 		$damage = $this->getFullDamage();

src/pocketmine/block/EndPortal.php

@@ -29,7 +29,7 @@ class EndPortal extends Solid{
 		$this->hardness = 18000000;
 	}
 
-	public function getBoundingBox(){
+	protected function recalculateBoundingBox(){
 
 		return AxisAlignedBB::getBoundingBoxFromPool(
 			$this->x,

src/pocketmine/block/Farmland.php

@@ -30,7 +30,7 @@ class Farmland extends Solid{
 		$this->hardness = 3;
 	}
 
-	public function getBoundingBox(){
+	protected function recalculateBoundingBox(){
 
 		return AxisAlignedBB::getBoundingBoxFromPool(
 			$this->x,

src/pocketmine/block/Fence.php

@@ -31,7 +31,7 @@ class Fence extends Transparent{
 		$this->hardness = 15;
 	}
 
-	public function getBoundingBox(){
+	protected function recalculateBoundingBox(){
 
 		$flag = $this->canConnect($this->getSide(2));
 		$flag1 = $this->canConnect($this->getSide(3));

src/pocketmine/block/FenceGate.php

@@ -38,7 +38,7 @@ class FenceGate extends Transparent{
 	}
 
 
-	public function getBoundingBox(){
+	protected function recalculateBoundingBox(){
 
 		if(($this->getDamage() & 0x04) > 0){
 			return null;

src/pocketmine/block/Ladder.php

@@ -43,7 +43,7 @@ class Ladder extends Transparent{
 		$entity->onGround = true;
 	}
 
-	public function getBoundingBox(){
+	protected function recalculateBoundingBox(){
 
 		$f = 0.125;
 

src/pocketmine/block/Slab.php

@@ -47,7 +47,7 @@ class Slab extends Transparent{
 		$this->hardness = 30;
 	}
 
-	public function getBoundingBox(){
+	protected function recalculateBoundingBox(){
 
 		if(($this->meta & 0x08) > 0){
 			return AxisAlignedBB::getBoundingBoxFromPool(

src/pocketmine/block/SoulSand.php

@@ -30,7 +30,7 @@ class SoulSand extends Solid{
 		$this->hardness = 2.5;
 	}
 
-	public function getBoundingBox(){
+	protected function recalculateBoundingBox(){
 
 		return AxisAlignedBB::getBoundingBoxFromPool(
 			$this->x,

src/pocketmine/block/Stair.php

@@ -113,7 +113,7 @@ abstract class Stair extends Transparent{
 	}
 	*/
 
-	public function getBoundingBox(){
+	protected function recalculateBoundingBox(){
 
 		if(($this->getDamage() & 0x04) > 0){
 			return AxisAlignedBB::getBoundingBoxFromPool(

src/pocketmine/block/StoneWall.php

@@ -36,7 +36,7 @@ class StoneWall extends Transparent{
 		$this->hardness = 30;
 	}
 
-	public function getBoundingBox(){
+	protected function recalculateBoundingBox(){
 
 		$flag = $this->canConnect($this->getSide(2));
 		$flag1 = $this->canConnect($this->getSide(3));

src/pocketmine/block/Thin.php

@@ -29,7 +29,7 @@ abstract class Thin extends Transparent{
 	public $isFullBlock = false;
 	public $isSolid = false;
 
-	public function getBoundingBox(){
+	protected function recalculateBoundingBox(){
 
 		$f = 0.4375;
 		$f1 = 0.5625;

src/pocketmine/block/Trapdoor.php

@@ -37,7 +37,7 @@ class Trapdoor extends Transparent{
 		$this->hardness = 15;
 	}
 
-	public function getBoundingBox(){
+	protected function recalculateBoundingBox(){
 
 		$damage = $this->getDamage();
 

src/pocketmine/block/Vine.php

@@ -43,7 +43,7 @@ class Vine extends Transparent{
 		$entity->fallDistance = 0;
 	}
 
-	public function getBoundingBox(){
+	protected function recalculateBoundingBox(){
 
 		$f1 = 1;
 		$f2 = 1;

src/pocketmine/block/WoodSlab.php

@@ -45,7 +45,7 @@ class WoodSlab extends Transparent{
 		$this->hardness = 15;
 	}
 
-	public function getBoundingBox(){
+	protected function recalculateBoundingBox(){
 
 		if(($this->meta & 0x08) > 0){
 			return AxisAlignedBB::getBoundingBoxFromPool(