Added forced position strong check for Player

src/pocketmine/Player.php

@@ -1336,6 +1336,7 @@ class Player extends Human implements CommandSender, InventoryHolder, IPlayer{
 				}
 
 				$newPos = new Vector3($packet->x, $packet->y, $packet->z);
+				$oldPos = new Vector3($this->x, $this->y, $this->z);
 
 				$revert = false;
 
@@ -1382,7 +1383,7 @@ class Player extends Human implements CommandSender, InventoryHolder, IPlayer{
 
 					$diff = $diffX ** 2 + $diffY ** 2 + $diffZ ** 2;
 
-					if(!$revert and $diff > 0.15 and !$this->isSleeping() and $this->isSurvival()){
+					if(!$revert and $diff > 0.0625 and !$this->isSleeping() and $this->isSurvival()){
 						$revert = true;
 						$this->server->getLogger()->warning($this->getName()." moved wrongly!");
 					}
@@ -1399,6 +1400,7 @@ class Player extends Human implements CommandSender, InventoryHolder, IPlayer{
 					$pk->yaw = $this->yaw;
 					$pk->teleport = true;
 					$this->directDataPacket($pk);
+					$this->forceMovement = new Vector3($this->x, $this->y, $this->z);
 				}else{
 					$this->forceMovement = null;
 				}

src/pocketmine/block/Stair.php

@@ -37,6 +37,82 @@ class Stair extends Transparent{
 		$this->hardness = 30;
 	}
 
+	/*
+	public function collidesWithBB(AxisAlignedBB $bb, &$list = []){
+		$damage = $this->getDamage();
+		$j = $damage & 0x03;
+
+		$f = 0;
+		$f1 = 0.5;
+		$f2 = 0.5;
+		$f3 = 1;
+
+		if(($damage & 0x04) > 0){
+			$f = 0.5;
+			$f1 = 1;
+			$f2 = 0;
+			$f3 = 0.5;
+		}
+
+		if($bb->intersectsWith($bb2 = new AxisAlignedBB(
+			$this->x,
+			$this->y + $f,
+			$this->z,
+			$this->x + 1,
+			$this->y + $f1,
+			$this->z + 1
+		))){
+			$list[] = $bb2;
+		}
+
+		if($j === 0){
+			if($bb->intersectsWith($bb2 = new AxisAlignedBB(
+				$this->x + 0.5,
+				$this->y + $f2,
+				$this->z,
+				$this->x + 1,
+				$this->y + $f3,
+				$this->z + 1
+			))){
+				$list[] = $bb2;
+			}
+		}elseif($j === 1){
+			if($bb->intersectsWith($bb2 = new AxisAlignedBB(
+				$this->x,
+				$this->y + $f2,
+				$this->z,
+				$this->x + 0.5,
+				$this->y + $f3,
+				$this->z + 1
+			))){
+				$list[] = $bb2;
+			}
+		}elseif($j === 2){
+			if($bb->intersectsWith($bb2 = new AxisAlignedBB(
+				$this->x,
+				$this->y + $f2,
+				$this->z + 0.5,
+				$this->x + 1,
+				$this->y + $f3,
+				$this->z + 1
+			))){
+				$list[] = $bb2;
+			}
+		}elseif($j === 3){
+			if($bb->intersectsWith($bb2 = new AxisAlignedBB(
+				$this->x,
+				$this->y + $f2,
+				$this->z,
+				$this->x + 1,
+				$this->y + $f3,
+				$this->z + 0.5
+			))){
+				$list[] = $bb2;
+			}
+		}
+	}
+	*/
+
 	public function getBoundingBox(){
 		if(($this->getDamage() & 0x04) > 0){
 			return new AxisAlignedBB(

src/pocketmine/entity/Entity.php

@@ -729,6 +729,7 @@ abstract class Entity extends Position implements Metadatable{
 
 			$this->ySize *= 0.4;
 
+			/*
 			if($this->isColliding){ //With cobweb?
 				$this->isColliding = false;
 				$dx *= 0.25;
@@ -738,6 +739,7 @@ abstract class Entity extends Position implements Metadatable{
 				$this->motionY = 0;
 				$this->motionZ = 0;
 			}
+			*/
 
 			$movX = $dx;
 			$movY = $dy;