Fixed block updates not getting broadcasted

src/pocketmine/block/Grass.php

@@ -23,6 +23,7 @@ namespace pocketmine\block;
 
 use pocketmine\item\Item;
 use pocketmine\level\generator\object\TallGrass;
+use pocketmine\level\Level;
 use pocketmine\Player;
 use pocketmine\utils\Random;
 
@@ -39,6 +40,10 @@ class Grass extends Solid{
 		);
 	}
 
+	public function onUpdate($type){
+
+	}
+
 	public function onActivate(Item $item, Player $player = null){
 		if($item->getID() === Item::DYE and $item->getDamage() === 0x0F){
 			$item->count--;

src/pocketmine/level/Level.php

@@ -318,7 +318,9 @@ class Level implements ChunkManager, Metadatable{
 		$pk = new SetTimePacket;
 		$pk->time = (int) $this->time;
 		$pk->started = $this->stopTime == false;
-		$this->server->broadcastPacket($this->players, $pk);
+		foreach($this->players as $player){
+			$player->dataPacket($pk);
+		}
 
 		return;
 	}
@@ -357,7 +359,6 @@ class Level implements ChunkManager, Metadatable{
 				}
 			}
 			$this->changedCount = [];
-
 			if(count($this->changedBlocks) > 0){
 				foreach($this->changedBlocks as $index => $mini){
 					foreach($mini as $blocks){
@@ -369,7 +370,9 @@ class Level implements ChunkManager, Metadatable{
 							$pk->z = $b->z;
 							$pk->block = $b->getID();
 							$pk->meta = $b->getDamage();
-							$this->server->broadcastPacket($this->players, $pk);
+							foreach($this->players as $player){
+								$player->dataPacket($pk);
+							}
 						}
 					}
 				}
@@ -574,8 +577,11 @@ class Level implements ChunkManager, Metadatable{
 				$pk->z = $pos->z;
 				$pk->block = $block->getID();
 				$pk->meta = $block->getDamage();
-				$this->server->broadcastPacket($this->players, $pk);
-			}elseif($direct === false){
+
+				foreach($this->players as $player){
+					$player->dataPacket($pk);
+				}
+			}else{
 				if(!($pos instanceof Position)){
 					$pos = new Position($pos->x, $pos->y, $pos->z, $this);
 				}

src/pocketmine/level/format/ChunkSection.php

@@ -79,6 +79,8 @@ interface ChunkSection{
 	 * @param int $z       0-15
 	 * @param int $blockId , if null, do not change
 	 * @param int $meta    0-15, if null, do not change
+	 *
+	 * @return bool
 	 */
 	public function setBlock($x, $y, $z, $blockId = null, $meta = null);
 

src/pocketmine/level/format/anvil/ChunkSection.php

@@ -83,8 +83,15 @@ class ChunkSection implements \pocketmine\level\format\ChunkSection{
 
 	public function setBlock($x, $y, $z, $blockId = null, $meta = null){
 		$i = ($y << 8) + ($z << 4) + $x;
+
+		$changed = false;
+
 		if($blockId !== null){
-			$this->blocks{$i} = chr($blockId);
+			$blockId = chr($blockId);
+			if($this->blocks{$i} !== $blockId){
+				$this->blocks{$i} = $blockId;
+				$changed = true;
+			}
 		}
 
 		if($meta !== null){
@@ -92,10 +99,18 @@ class ChunkSection implements \pocketmine\level\format\ChunkSection{
 			$old_m = ord($this->data{$i});
 			if(($x & 1) === 0){
 				$this->data{$i} = chr(($old_m & 0xf0) | ($meta & 0x0f));
+				if(($old_m & 0x0f) !== $meta){
+					$changed = true;
+				}
 			}else{
 				$this->data{$i} = chr((($meta & 0x0f) << 4) | ($old_m & 0x0f));
+				if((($old_m & 0xf0) >> 4) !== $meta){
+					$changed = true;
+				}
 			}
 		}
+
+		return $changed;
 	}
 
 	public function getBlockSkyLight($x, $y, $z){

src/pocketmine/level/format/generic/BaseChunk.php

@@ -157,7 +157,7 @@ abstract class BaseChunk implements Chunk{
 	}
 
 	public function setBlock($x, $y, $z, $blockId = null, $meta = null){
-		$this->sections[$y >> 4]->setBlock($x, $y & 0x0f, $z, $blockId, $meta);
+		return $this->sections[$y >> 4]->setBlock($x, $y & 0x0f, $z, $blockId & 0xff, $meta & 0x0f);
 	}
 
 	public function getBlockId($x, $y, $z){