Automate creation of tiles when they are used to store block properties

src/pocketmine/block/Bed.php

@@ -74,16 +74,24 @@ class Bed extends Transparent{
 		return 0b1111;
 	}
 
-	public function updateState() : void{
+	public function readStateFromWorld() : void{
-		parent::updateState();
+		parent::readStateFromWorld();
 		//read extra state information from the tile - this is an ugly hack
-		//TODO: extend this hack to setting block as well so we don't have to deal with tile hacks in the main code
 		$tile = $this->level->getTile($this);
 		if($tile instanceof TileBed){
 			$this->color = $tile->getColor();
 		}
 	}
 
+	public function writeStateToWorld() : void{
+		parent::writeStateToWorld();
+		//extra block properties storage hack
+		$tile = Tile::createTile(Tile::BED, $this->getLevel(), TileBed::createNBT($this));
+		if($tile instanceof TileBed){
+			$tile->setColor($this->color);
+		}
+	}
+
 	public function getHardness() : float{
 		return 0.2;
 	}
@@ -186,16 +194,6 @@ class Bed extends Transparent{
 				$nextState->head = true;
 				$this->getLevel()->setBlock($next, $nextState);
 
-				//TODO: make this happen automatically on block set
-				$tile1 = Tile::createTile(Tile::BED, $this->getLevel(), TileBed::createNBT($this));
-				if($tile1 instanceof TileBed){
-					$tile1->setColor($this->color);
-				}
-				$tile2 = Tile::createTile(Tile::BED, $this->getLevel(), TileBed::createNBT($next));
-				if($tile2 instanceof TileBed){
-					$tile2->setColor($this->color);
-				}
-
 				return true;
 			}
 		}

src/pocketmine/block/Block.php

@@ -149,6 +149,22 @@ class Block extends Position implements BlockIds, Metadatable{
 		//NOOP
 	}
 
+	/**
+	 * Called when this block is created, set, or has a neighbouring block update, to re-detect dynamic properties which
+	 * are not saved on the world.
+	 *
+	 * Clears any cached precomputed objects, such as bounding boxes. Remove any outdated precomputed things such as
+	 * AABBs and force recalculation.
+	 */
+	public function readStateFromWorld() : void{
+		$this->boundingBox = null;
+		$this->collisionBoxes = null;
+	}
+
+	public function writeStateToWorld() : void{
+		$this->level->getChunkAtPosition($this)->setBlock($this->x & 0xf, $this->y, $this->z & 0xf, $this->getId(), $this->getDamage());
+	}
+
 	/**
 	 * Returns a bitmask used to extract state bits from block metadata.
 	 *
@@ -448,7 +464,7 @@ class Block extends Position implements BlockIds, Metadatable{
 		$this->y = (int) $v->y;
 		$this->z = (int) $v->z;
 		$this->level = $v->level;
-		$this->updateState();
+		$this->readStateFromWorld();
 	}
 
 	/**
@@ -717,18 +733,6 @@ class Block extends Position implements BlockIds, Metadatable{
 		return AxisAlignedBB::one();
 	}
 
-	/**
-	 * Called when this block is created, set, or has a neighbouring block update, to re-detect dynamic properties which
-	 * are not saved on the world.
-	 *
-	 * Clears any cached precomputed objects, such as bounding boxes. Remove any outdated precomputed things such as
-	 * AABBs and force recalculation.
-	 */
-	public function updateState() : void{
-		$this->boundingBox = null;
-		$this->collisionBoxes = null;
-	}
-
 	/**
 	 * @param Vector3 $pos1
 	 * @param Vector3 $pos2

src/pocketmine/block/CobblestoneWall.php

@@ -48,8 +48,8 @@ class CobblestoneWall extends Transparent{
 		return 2;
 	}
 
-	public function updateState() : void{
+	public function readStateFromWorld() : void{
-		parent::updateState();
+		parent::readStateFromWorld();
 
 		foreach(Facing::HORIZONTAL as $facing){
 			$block = $this->getSide($facing);

src/pocketmine/block/Door.php

@@ -69,8 +69,8 @@ abstract class Door extends Transparent{
 		return 0b1111;
 	}
 
-	public function updateState() : void{
+	public function readStateFromWorld() : void{
-		parent::updateState();
+		parent::readStateFromWorld();
 
 		//copy door properties from other half
 		$other = $this->getSide($this->top ? Facing::DOWN : Facing::UP);

src/pocketmine/block/Fence.php

@@ -34,8 +34,8 @@ abstract class Fence extends Transparent{
 		return 0.25;
 	}
 
-	public function updateState() : void{
+	public function readStateFromWorld() : void{
-		parent::updateState();
+		parent::readStateFromWorld();
 
 		foreach(Facing::HORIZONTAL as $facing){
 			$block = $this->getSide($facing);

src/pocketmine/block/Liquid.php

@@ -118,8 +118,8 @@ abstract class Liquid extends Transparent{
 		return $block->falling ? 0 : $block->decay;
 	}
 
-	public function updateState() : void{
+	public function readStateFromWorld() : void{
-		parent::updateState();
+		parent::readStateFromWorld();
 		$this->flowVector = null;
 	}
 

src/pocketmine/block/Skull.php

@@ -59,8 +59,8 @@ class Skull extends Flowable{
 		return 0b111;
 	}
 
-	public function updateState() : void{
+	public function readStateFromWorld() : void{
-		parent::updateState();
+		parent::readStateFromWorld();
 		$tile = $this->level->getTile($this);
 		if($tile instanceof TileSkull){
 			$this->type = $tile->getType();
@@ -68,6 +68,15 @@ class Skull extends Flowable{
 		}
 	}
 
+	public function writeStateToWorld() : void{
+		parent::writeStateToWorld();
+		$tile = Tile::createTile(Tile::SKULL, $this->getLevel(), TileSkull::createNBT($this));
+		if($tile instanceof TileSkull){
+			$tile->setRotation($this->rotation);
+			$tile->setType($this->type);
+		}
+	}
+
 	public function getHardness() : float{
 		return 1;
 	}
@@ -91,17 +100,7 @@ class Skull extends Flowable{
 		if($player !== null and $face === Facing::UP){
 			$this->rotation = ((int) floor(($player->yaw * 16 / 360) + 0.5)) & 0xf;
 		}
-		if(parent::place($item, $blockReplace, $blockClicked, $face, $clickVector, $player)){
+		return parent::place($item, $blockReplace, $blockClicked, $face, $clickVector, $player);
-			//TODO: make this automatic on block set
-			$tile = Tile::createTile(Tile::SKULL, $this->getLevel(), TileSkull::createNBT($this));
-			if($tile instanceof TileSkull){
-				$tile->setRotation($this->rotation);
-				$tile->setType($this->type);
-			}
-			return true;
-		}
-
-		return false;
 	}
 
 	public function getItem() : Item{

src/pocketmine/level/Level.php

@@ -762,7 +762,7 @@ class Level implements ChunkManager, Metadatable{
 			Level::getBlockXYZ($index, $x, $y, $z);
 
 			$block = $this->getBlockAt($x, $y, $z);
-			$block->updateState(); //for blocks like fences, force recalculation of connected AABBs
+			$block->readStateFromWorld(); //for blocks like fences, force recalculation of connected AABBs
 
 			$ev = new BlockUpdateEvent($block);
 			$ev->call();
@@ -1372,7 +1372,7 @@ class Level implements ChunkManager, Metadatable{
 		$block->y = $y;
 		$block->z = $z;
 		$block->level = $this;
-		$block->updateState();
+		$block->readStateFromWorld();
 
 		if($addToCache and $blockHash !== null){
 			$this->blockCache[$chunkHash][$blockHash] = $block;
@@ -1517,7 +1517,6 @@ class Level implements ChunkManager, Metadatable{
 
 		$this->timings->setBlock->startTiming();
 
-		if($this->getChunkAtPosition($pos, true)->setBlock($pos->x & 0x0f, $pos->y, $pos->z & 0x0f, $block->getId(), $block->getDamage())){
 		if(!($pos instanceof Position)){
 			$pos = $this->temporalPosition->setComponents($pos->x, $pos->y, $pos->z);
 		}
@@ -1525,6 +1524,7 @@ class Level implements ChunkManager, Metadatable{
 		$block = clone $block;
 
 		$block->position($pos);
+		$block->writeStateToWorld();
 
 		$chunkHash = Level::chunkHash($pos->x >> 4, $pos->z >> 4);
 		$blockHash = Level::blockHash($pos->x, $pos->y, $pos->z);
@@ -1559,11 +1559,6 @@ class Level implements ChunkManager, Metadatable{
 		return true;
 	}
 
-		$this->timings->setBlock->stopTiming();
-
-		return false;
-	}
-
 	/**
 	 * @param Vector3 $source
 	 * @param Item    $item