Remove Position->setWorld()

src/block/Block.php

@@ -345,10 +345,7 @@ class Block{
 	 * @internal
 	 */
 	final public function position(World $world, int $x, int $y, int $z) : void{
-		$this->pos->x = $x;
+		$this->pos = new Position($x, $y, $z, $world);
-		$this->pos->y = $y;
-		$this->pos->z = $z;
-		$this->pos->world = $world;
 	}
 
 	/**

src/block/tile/Tile.php

@@ -131,8 +131,8 @@ abstract class Tile{
 
 			if($this->pos->isValid()){
 				$this->pos->getWorldNonNull()->removeTile($this);
-				$this->pos->setWorld(null);
 			}
+			$this->pos = null;
 		}
 	}
 }

src/entity/Entity.php

@@ -1486,7 +1486,14 @@ abstract class Entity{
 			$this->despawnFromAll();
 		}
 
-		$this->location->setWorld($targetWorld);
+		$this->location = new Location(
+			$this->location->x,
+			$this->location->y,
+			$this->location->z,
+			$this->location->yaw,
+			$this->location->pitch,
+			$targetWorld
+		);
 		$this->getWorld()->addEntity($this);
 		$this->chunk = null;
 
@@ -1634,7 +1641,7 @@ abstract class Entity{
 	 */
 	protected function destroyCycles() : void{
 		$this->chunk = null;
-		$this->location->setWorld(null);
+		$this->location = null;
 		$this->lastDamageCause = null;
 	}
 

src/world/Position.php

@@ -39,7 +39,11 @@ class Position extends Vector3{
 	 */
 	public function __construct($x = 0, $y = 0, $z = 0, ?World $world = null){
 		parent::__construct($x, $y, $z);
-		$this->setWorld($world);
+		if($world !== null and $world->isClosed()){
+			throw new \InvalidArgumentException("Specified world has been unloaded and cannot be used");
+		}
+
+		$this->world = $world;
 	}
 
 	/**
@@ -85,22 +89,6 @@ class Position extends Vector3{
 		return $world;
 	}
 
-	/**
-	 * Sets the target world of the position.
-	 *
-	 * @return $this
-	 *
-	 * @throws \InvalidArgumentException if the specified World has been closed
-	 */
-	public function setWorld(?World $world){
-		if($world !== null and $world->isClosed()){
-			throw new \InvalidArgumentException("Specified world has been unloaded and cannot be used");
-		}
-
-		$this->world = $world;
-		return $this;
-	}
-
 	/**
 	 * Checks if this object has a valid reference to a loaded world
 	 */

tests/phpstan/configs/gc-hacks.neon

@@ -20,6 +20,16 @@ parameters:
 			count: 1
 			path: ../../../src/block/tile/Hopper.php
 
+		-
+			message: "#^Property pocketmine\\\\block\\\\tile\\\\Tile\\:\\:\\$pos \\(pocketmine\\\\world\\\\Position\\) does not accept null\\.$#"
+			count: 1
+			path: ../../../src/block/tile/Tile.php
+
+		-
+			message: "#^Property pocketmine\\\\entity\\\\Entity\\:\\:\\$location \\(pocketmine\\\\entity\\\\Location\\) does not accept null\\.$#"
+			count: 1
+			path: ../../../src/entity/Entity.php
+
 		-
 			message: "#^Property pocketmine\\\\entity\\\\Human\\:\\:\\$inventory \\(pocketmine\\\\inventory\\\\PlayerInventory\\) does not accept null\\.$#"
 			count: 1