diff --git a/src/classes/material/Block.php b/src/classes/material/Block.php
new file mode 100644
index 000000000..fd314ae94
--- /dev/null
+++ b/src/classes/material/Block.php
@@ -0,0 +1,83 @@
+<?php
+
+/*
+
+           -
+         /   \
+      /         \
+   /   PocketMine  \
+/          MP         \
+|\     @shoghicp     /|
+|.   \           /   .|
+| ..     \   /     .. |
+|    ..    |    ..    |
+|       .. | ..       |
+\          |          /
+   \       |       /
+      \    |    /
+         \ | /
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+
+*/
+
+
+abstract class Block{
+	/*public static $name = array(
+		AIR => "GenericBlock",
+	
+	);*/
+
+	protected $id;
+	protected $meta;
+	protected $shortname = "";
+	protected $name = "";
+	public $isActivable = false;
+	public $isBreakable = true;
+	public $isFlowable = false;
+	public $isTransparent = false;
+	public $isReplaceable = false;
+	public $isPlaceable = true;
+	public $inWorld = false;
+	public $hasPhysics = false;
+	public $v = false;
+	
+	public function __construct($id, $meta = 0, $name = "Unknown"){
+		$this->id = (int) $id;
+		$this->meta = (int) $meta;
+		$this->name = $name;
+		$this->shortname = strtolower(str_replace(" ", "_", $name));
+	}
+	
+	final public function getID(){
+		return $id;
+	}
+	
+	final public function getMetadata(){
+		return $meta & 0x0F;
+	}
+	
+	final public function position(Vector3 $v){
+		$this->inWorld = true;
+		$this->position = new Vector3((int) $v->x, (int) $v->y, (int) $v->z);
+	}
+	
+	public function getDrops(Item $item, Player $player){
+		return array(
+			array($this->id, $this->meta, 1),
+		);
+	}
+	
+	abstract function onActivate(LevelAPI $level, Item $item, Player $player);
+	
+	abstract function onUpdate(LevelAPI $level, $type);
+}
+
+require_once("block/GenericBlock.php");
+require_once("block/SolidBlock.php");
+require_once("block/TransparentBlock.php");
+require_once("block/FallableBlock.php");
\ No newline at end of file
diff --git a/src/classes/material/IDs.php b/src/classes/material/IDs.php
new file mode 100644
index 000000000..dca5879e4
--- /dev/null
+++ b/src/classes/material/IDs.php
@@ -0,0 +1,162 @@
+<?php
+
+/*
+
+           -
+         /   \
+      /         \
+   /   PocketMine  \
+/          MP         \
+|\     @shoghicp     /|
+|.   \           /   .|
+| ..     \   /     .. |
+|    ..    |    ..    |
+|       .. | ..       |
+\          |          /
+   \       |       /
+      \    |    /
+         \ | /
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+
+*/
+
+define("AIR", 0);
+define("STONE", 1);
+define("GRASS", 2);
+define("DIRT", 3);
+define("COBBLESTONE", 4);
+define("COBBLE", 4);
+define("PLANK", 5);
+define("PLANKS", 5);
+define("WOODEN_PLANK", 5);
+define("SAPLING", 6);
+define("BEDROCK", 7);
+define("WATER", 8);
+define("STILL_WATER", 9);
+define("LAVA", 10);
+define("STILL_LAVA", 11);
+define("SAND", 12);
+define("GRAVEL", 13);
+define("GOLD_ORE", 14);
+define("IRON_ORE", 15);
+define("COAL_ORE", 16);
+define("WOOD", 17);
+define("TRUNK", 17);
+define("LEAVES", 18);
+define("LEAVE", 18);
+
+define("GLASS", 20);
+define("LAPIS_ORE", 21);
+define("LAPIS_BLOCK", 22);
+
+define("SANDSTONE", 24);
+
+define("BED_BLOCK", 26);
+
+
+define("COBWEB", 30);
+define("TALL_GRASS", 31);
+define("BUSH", 32);
+define("DEAD_BUSH", 32);
+define("WOOL", 35);
+define("DANDELION", 37);
+define("ROSE", 38);
+define("CYAN_FLOWER", 38);
+define("BROWN_MUSHROOM", 39);
+define("RED_MUSHROOM", 40);
+define("GOLD_BLOCK", 41);
+define("IRON_BLOCK", 42);
+define("DOUBLE_SLAB", 43);
+define("DOUBLE_SLABS", 43);
+define("SLAB", 44);
+define("SLABS", 44);
+define("BICKS", 45);
+define("TNT", 46);
+define("BOOKSHELF", 47);
+define("MOSS_STONE", 48);
+define("MOSSY_STONE", 48);
+define("OBSIDIAN", 49);
+define("TORCH", 50);
+define("FiRE", 51);
+
+define("WOOD_STAIRS", 53);
+define("CHEST", 54);
+
+define("DIAMOND_ORE", 56);
+define("DIAMOND_BLOCK", 57);
+define("CRAFTING_TABLE", 58);
+define("WORKBENCH", 58);
+define("WHEAT", 59);
+define("FARMLAND", 60);
+define("FURNACE", 61);
+define("BURNING_FURNACE", 62);
+define("LIT_FURNACE", 62);
+define("SIGN", 63);
+define("SIGN_POST", 63);
+define("DOOR", 64);
+define("WOODEN_DOOR", 64);
+define("WOOD_DOOR", 64);
+define("LADDER", 65);
+
+define("COBBLE_STAIRS", 67);
+define("COBBLESTONE_STAIRS", 67);
+define("WALL_SIGN", 68);
+
+define("IRON_DOOR", 71);
+define("REDSTONE_ORE", 72);
+define("GLOWING_REDSTONE_ORE", 73);
+define("LIT_REDSTONE_ORE", 73);
+
+define("SNOW", 78);
+define("ICE", 79);
+define("SNOW_BLOCK", 80);
+define("CACTUS", 81);
+define("CLAY_BLOCK", 82);
+define("SUGARCANE_BLOCK", 83);
+
+define("FENCE", 85);
+
+define("NETHERRACK", 87);
+define("SOUL_SAND", 88);
+define("GLOWSTONE_BLOCK", 89);
+
+define("TRAPDOOR", 96);
+
+define("STONE_BRICKS", 98);
+
+define("GLASS_PANE", 102);
+define("GLASS_PANEL", 102);
+define("MELON", 103);
+
+define("MELON_STEM", 105);
+
+define("FENCE_GATE", 107);
+define("BRICK_STAIRS", 108);
+define("STONE_BRICK_STAIRS", 109);
+
+define("NETHER_BRICK", 112);
+
+define("NETHER_BRICK_STAIRS", 114);
+
+define("SANDSTONE_STAIRS", 128);
+
+define("QUARTZ_BLOCK", 155);
+define("QUARTZ_STAIRS", 156);
+
+define("STONECUTTER", 245);
+define("GLOWING_OBSIDIAN", 246);
+define("NETHER_REACTOR", 247);
+
+// ---- Items ----
+define("IRON_SHOVEL", 256);
+define("IRON_PICKAXE", 257);
+define("IRON_AXE", 258);
+define("FLINT_STEEL", 259);
+define("APPLE", 260);
+define("BOW", 261);
+define("ARROW", 262);
\ No newline at end of file
diff --git a/src/classes/inventory/Item.php b/src/classes/material/Item.php
similarity index 74%
rename from src/classes/inventory/Item.php
rename to src/classes/material/Item.php
index 525fbee5f..af45370fd 100644
--- a/src/classes/inventory/Item.php
+++ b/src/classes/material/Item.php
@@ -26,24 +26,25 @@ the Free Software Foundation, either version 3 of the License, or
 */
 
 class Item{
-	public $id;
+	protected $id;
+	protected $meta;
 	protected $maxStackSize = 64;
-	private $durability = 0;
-	private $name = "Unknown";
-	public function __construct($id){
+	protected $durability = 0;
+	protected $name = "Unknown";
+	
+	public function __construct($id, $meta = 0){
 		$this->id = (int) $id;
+		$this->meta = (int) $meta;
 	}
 	
-	public function setMaxStackSize($size = 64){
-		$this->maxStackSize = (int) $size;
-	}
 	
-	public function getDestroySpeed(Item $item, Entity $entity){
-		return 1;
-	}
 	
 	public function getMaxStackSize(){
 		return $this->maxStackSize;
 	}
 	
+	public function getDestroySpeed(Item $item, Player $player){
+		return 1;
+	}
+	
 }
\ No newline at end of file
diff --git a/src/classes/block/plant/Sapling.php b/src/classes/material/block/FallableBlock.php
similarity index 71%
rename from src/classes/block/plant/Sapling.php
rename to src/classes/material/block/FallableBlock.php
index 320835dc5..992bacb4d 100644
--- a/src/classes/block/plant/Sapling.php
+++ b/src/classes/material/block/FallableBlock.php
@@ -25,14 +25,9 @@ the Free Software Foundation, either version 3 of the License, or
 
 */
 
-class Sapling{
-	const OAK = 0;
-	const SPRUCE = 1;
-	const BIRCH = 2;
-	const BURN_TIME = 5;
-
-	public static function growTree(LevelAPI $level, $block, $type){
-		$type = $type & 0x03;
-		TreeObject::growTree($level, $block, $type);
+class FallableBlock extends GenericBlock{
+	public function __construct($id, $meta = 0, $name = "Unknown"){
+		parent::__construct($id, $meta, $name);
+		$this->hasPhysics = true;
 	}
 }
\ No newline at end of file
diff --git a/src/classes/material/block/FlowableBlock.php b/src/classes/material/block/FlowableBlock.php
new file mode 100644
index 000000000..8f8524efb
--- /dev/null
+++ b/src/classes/material/block/FlowableBlock.php
@@ -0,0 +1,33 @@
+<?php
+
+/*
+
+           -
+         /   \
+      /         \
+   /   PocketMine  \
+/          MP         \
+|\     @shoghicp     /|
+|.   \           /   .|
+| ..     \   /     .. |
+|    ..    |    ..    |
+|       .. | ..       |
+\          |          /
+   \       |       /
+      \    |    /
+         \ | /
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+
+*/
+
+class FlowableBlock extends TransparentBlock{
+	public function __construct($id, $meta = 0, $name = "Unknown"){
+		parent::__construct($id, $meta, $name);
+		$this->isFlowable = true;
+	}
+}
\ No newline at end of file
diff --git a/src/classes/material/block/GenericBlock.php b/src/classes/material/block/GenericBlock.php
new file mode 100644
index 000000000..59e232127
--- /dev/null
+++ b/src/classes/material/block/GenericBlock.php
@@ -0,0 +1,36 @@
+<?php
+
+/*
+
+           -
+         /   \
+      /         \
+   /   PocketMine  \
+/          MP         \
+|\     @shoghicp     /|
+|.   \           /   .|
+| ..     \   /     .. |
+|    ..    |    ..    |
+|       .. | ..       |
+\          |          /
+   \       |       /
+      \    |    /
+         \ | /
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+
+*/
+
+
+class GenericBlock extends Block{
+	public function onUpdate(LevelAPI $level, $type){
+		return false;
+	}
+	public function onActivate(LevelAPI $level, Item $item, Player $player){
+		return false;
+	}
+}
\ No newline at end of file
diff --git a/src/classes/material/block/SolidBlock.php b/src/classes/material/block/SolidBlock.php
new file mode 100644
index 000000000..0636feb45
--- /dev/null
+++ b/src/classes/material/block/SolidBlock.php
@@ -0,0 +1,32 @@
+<?php
+
+/*
+
+           -
+         /   \
+      /         \
+   /   PocketMine  \
+/          MP         \
+|\     @shoghicp     /|
+|.   \           /   .|
+| ..     \   /     .. |
+|    ..    |    ..    |
+|       .. | ..       |
+\          |          /
+   \       |       /
+      \    |    /
+         \ | /
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+
+*/
+
+class SolidBlock extends GenericBlock{
+	public function __construct($id, $meta = 0, $name = "Unknown"){
+		parent::__construct($id, $meta, $name);
+	}
+}
\ No newline at end of file
diff --git a/src/classes/material/block/TransparentBlock.php b/src/classes/material/block/TransparentBlock.php
new file mode 100644
index 000000000..86271f9b8
--- /dev/null
+++ b/src/classes/material/block/TransparentBlock.php
@@ -0,0 +1,38 @@
+<?php
+
+/*
+
+           -
+         /   \
+      /         \
+   /   PocketMine  \
+/          MP         \
+|\     @shoghicp     /|
+|.   \           /   .|
+| ..     \   /     .. |
+|    ..    |    ..    |
+|       .. | ..       |
+\          |          /
+   \       |       /
+      \    |    /
+         \ | /
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+
+*/
+
+class TransparentBlock extends GenericBlock{
+	public function __construct($id, $meta = 0, $name = "Unknown"){
+		parent::__construct($id, $meta, $name);
+		$this->isActivable = false;
+		$this->isBreakable = true;
+		$this->isFlowable = false;
+		$this->isTransparent = true;
+		$this->isReplaceable = false;
+		$this->isPlaceable = true;
+	}
+}
\ No newline at end of file
diff --git a/src/classes/material/block/misc/Bed.php b/src/classes/material/block/misc/Bed.php
new file mode 100644
index 000000000..8f61626d2
--- /dev/null
+++ b/src/classes/material/block/misc/Bed.php
@@ -0,0 +1,34 @@
+<?php
+
+/*
+
+           -
+         /   \
+      /         \
+   /   PocketMine  \
+/          MP         \
+|\     @shoghicp     /|
+|.   \           /   .|
+| ..     \   /     .. |
+|    ..    |    ..    |
+|       .. | ..       |
+\          |          /
+   \       |       /
+      \    |    /
+         \ | /
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+
+*/
+
+class BedBlock extends TransparentBlock{
+	public function __construct($type = 0){
+		parent::__construct(BED_BLOCK, $type, "Bed");
+		$this->isActivable = true;
+	}
+	
+}
\ No newline at end of file
diff --git a/src/classes/material/block/ore/CoalOre.php b/src/classes/material/block/ore/CoalOre.php
new file mode 100644
index 000000000..ec13e6302
--- /dev/null
+++ b/src/classes/material/block/ore/CoalOre.php
@@ -0,0 +1,39 @@
+<?php
+
+/*
+
+           -
+         /   \
+      /         \
+   /   PocketMine  \
+/          MP         \
+|\     @shoghicp     /|
+|.   \           /   .|
+| ..     \   /     .. |
+|    ..    |    ..    |
+|       .. | ..       |
+\          |          /
+   \       |       /
+      \    |    /
+         \ | /
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+
+*/
+
+class CoalOreBlock extends SolidBlock{
+	public function __construct(){
+		parent::__construct(COAL_ORE, 0, "Coal Ore");
+	}
+	
+	public function getDrops(Item $item, Player $player){
+		return array(
+			array(263, 0, 1),
+		);
+	}
+	
+}
\ No newline at end of file
diff --git a/src/classes/material/block/ore/GoldOre.php b/src/classes/material/block/ore/GoldOre.php
new file mode 100644
index 000000000..955b4b52d
--- /dev/null
+++ b/src/classes/material/block/ore/GoldOre.php
@@ -0,0 +1,33 @@
+<?php
+
+/*
+
+           -
+         /   \
+      /         \
+   /   PocketMine  \
+/          MP         \
+|\     @shoghicp     /|
+|.   \           /   .|
+| ..     \   /     .. |
+|    ..    |    ..    |
+|       .. | ..       |
+\          |          /
+   \       |       /
+      \    |    /
+         \ | /
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+
+*/
+
+class GoldOreBlock extends SolidBlock{
+	public function __construct(){
+		parent::__construct(GOLD_ORE, 0, "Gold Ore");
+	}
+	
+}
\ No newline at end of file
diff --git a/src/classes/material/block/ore/IronOre.php b/src/classes/material/block/ore/IronOre.php
new file mode 100644
index 000000000..4db3c7604
--- /dev/null
+++ b/src/classes/material/block/ore/IronOre.php
@@ -0,0 +1,33 @@
+<?php
+
+/*
+
+           -
+         /   \
+      /         \
+   /   PocketMine  \
+/          MP         \
+|\     @shoghicp     /|
+|.   \           /   .|
+| ..     \   /     .. |
+|    ..    |    ..    |
+|       .. | ..       |
+\          |          /
+   \       |       /
+      \    |    /
+         \ | /
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+
+*/
+
+class IronOreBlock extends SolidBlock{
+	public function __construct(){
+		parent::__construct(IRON_ORE, 0, "Iron Ore");
+	}
+	
+}
\ No newline at end of file
diff --git a/src/classes/material/block/ore/LapisOre.php b/src/classes/material/block/ore/LapisOre.php
new file mode 100644
index 000000000..d9229a651
--- /dev/null
+++ b/src/classes/material/block/ore/LapisOre.php
@@ -0,0 +1,39 @@
+<?php
+
+/*
+
+           -
+         /   \
+      /         \
+   /   PocketMine  \
+/          MP         \
+|\     @shoghicp     /|
+|.   \           /   .|
+| ..     \   /     .. |
+|    ..    |    ..    |
+|       .. | ..       |
+\          |          /
+   \       |       /
+      \    |    /
+         \ | /
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+
+*/
+
+class LapisOreBlock extends SolidBlock{
+	public function __construct(){
+		parent::__construct(LAPIS_ORE, 0, "Lapis Ore");
+	}
+	
+	public function getDrops(Item $item, Player $player){
+		return array(
+			array(351, 4, 1),
+		);
+	}
+	
+}
\ No newline at end of file
diff --git a/src/classes/material/block/plant/BrownMushroom.php b/src/classes/material/block/plant/BrownMushroom.php
new file mode 100644
index 000000000..302aca62c
--- /dev/null
+++ b/src/classes/material/block/plant/BrownMushroom.php
@@ -0,0 +1,34 @@
+<?php
+
+/*
+
+           -
+         /   \
+      /         \
+   /   PocketMine  \
+/          MP         \
+|\     @shoghicp     /|
+|.   \           /   .|
+| ..     \   /     .. |
+|    ..    |    ..    |
+|       .. | ..       |
+\          |          /
+   \       |       /
+      \    |    /
+         \ | /
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+
+*/
+
+class BrownMushroomBlock extends FlowableBlock{
+	public function __construct(){
+		parent::__construct(BROWN_MUSHROOM, 0, "Brown Mushroom");
+		$this->isFlowable = true;
+	}
+	
+}
\ No newline at end of file
diff --git a/src/classes/material/block/plant/CyanFlower.php b/src/classes/material/block/plant/CyanFlower.php
new file mode 100644
index 000000000..0810b937c
--- /dev/null
+++ b/src/classes/material/block/plant/CyanFlower.php
@@ -0,0 +1,34 @@
+<?php
+
+/*
+
+           -
+         /   \
+      /         \
+   /   PocketMine  \
+/          MP         \
+|\     @shoghicp     /|
+|.   \           /   .|
+| ..     \   /     .. |
+|    ..    |    ..    |
+|       .. | ..       |
+\          |          /
+   \       |       /
+      \    |    /
+         \ | /
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+
+*/
+
+class CyanFlowerBlock extends FlowableBlock{
+	public function __construct(){
+		parent::__construct(CYAN_FLOWER, 0, "Cyan Flower");
+		$this->isFlowable = true;
+	}
+	
+}
\ No newline at end of file
diff --git a/src/classes/material/block/plant/Dandelion.php b/src/classes/material/block/plant/Dandelion.php
new file mode 100644
index 000000000..fdb46f464
--- /dev/null
+++ b/src/classes/material/block/plant/Dandelion.php
@@ -0,0 +1,34 @@
+<?php
+
+/*
+
+           -
+         /   \
+      /         \
+   /   PocketMine  \
+/          MP         \
+|\     @shoghicp     /|
+|.   \           /   .|
+| ..     \   /     .. |
+|    ..    |    ..    |
+|       .. | ..       |
+\          |          /
+   \       |       /
+      \    |    /
+         \ | /
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+
+*/
+
+class DandelionBlock extends FlowableBlock{
+	public function __construct(){
+		parent::__construct(DANDELION, 0, "Dandelion");
+		$this->isFlowable = true;
+	}
+	
+}
\ No newline at end of file
diff --git a/src/classes/material/block/plant/DeadBush.php b/src/classes/material/block/plant/DeadBush.php
new file mode 100644
index 000000000..d75599119
--- /dev/null
+++ b/src/classes/material/block/plant/DeadBush.php
@@ -0,0 +1,35 @@
+<?php
+
+/*
+
+           -
+         /   \
+      /         \
+   /   PocketMine  \
+/          MP         \
+|\     @shoghicp     /|
+|.   \           /   .|
+| ..     \   /     .. |
+|    ..    |    ..    |
+|       .. | ..       |
+\          |          /
+   \       |       /
+      \    |    /
+         \ | /
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+
+*/
+
+class DeadBushBlock extends FlowableBlock{
+	public function __construct(){
+		parent::__construct(DEAD_BUSH, 0, "Dead Bush");
+		$this->isFlowable = true;
+		$this->isReplaceable = true;
+	}
+	
+}
\ No newline at end of file
diff --git a/src/classes/material/block/plant/RedMushroom.php b/src/classes/material/block/plant/RedMushroom.php
new file mode 100644
index 000000000..eea6dc3ed
--- /dev/null
+++ b/src/classes/material/block/plant/RedMushroom.php
@@ -0,0 +1,34 @@
+<?php
+
+/*
+
+           -
+         /   \
+      /         \
+   /   PocketMine  \
+/          MP         \
+|\     @shoghicp     /|
+|.   \           /   .|
+| ..     \   /     .. |
+|    ..    |    ..    |
+|       .. | ..       |
+\          |          /
+   \       |       /
+      \    |    /
+         \ | /
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+
+*/
+
+class RedMushroomBlock extends FlowableBlock{
+	public function __construct(){
+		parent::__construct(RED_MUSHROOM, 0, "Red Mushroom");
+		$this->isFlowable = true;
+	}
+	
+}
\ No newline at end of file
diff --git a/src/classes/material/block/plant/Sapling.php b/src/classes/material/block/plant/Sapling.php
new file mode 100644
index 000000000..a0b56c112
--- /dev/null
+++ b/src/classes/material/block/plant/Sapling.php
@@ -0,0 +1,65 @@
+<?php
+
+/*
+
+           -
+         /   \
+      /         \
+   /   PocketMine  \
+/          MP         \
+|\     @shoghicp     /|
+|.   \           /   .|
+| ..     \   /     .. |
+|    ..    |    ..    |
+|       .. | ..       |
+\          |          /
+   \       |       /
+      \    |    /
+         \ | /
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+
+*/
+
+class SaplingBlock extends TransparentBlock{
+	const OAK = 0;
+	const SPRUCE = 1;
+	const BIRCH = 2;
+	const BURN_TIME = 5;
+	
+	public function __construct($type = Sapling::OAK){
+		parent::__construct(SAPLING, $type, "Sapling");
+		$this->isActivable = true;
+		$this->isFlowable = true;
+		$names = array(
+			0 => "Oak Sapling",
+			1 => "Spruce Sapling",
+			2 => "Birch Sapling",
+		);
+		$this->name = $names[$this->type & 0x03];
+	}
+	
+	public function onActivate(LevelAPI $level, Item $item, Player $player){
+		TreeObject::growTree($level, $this);
+	}
+	
+	public function onUpdate(LevelAPI $level, $type){
+		if($this->inWorld !== true){
+			return false;
+		}
+		if($type === BLOCK_UPDATE_RANDOM and mt_rand(0,2) === 0){ //Growth
+			if(($this->meta & 0x08) === 0x08){
+				TreeObject::growTree($level, $this);
+			}else{
+				$this->meta |= 0x08;
+				$this->level->setBlock($this->x, $this->y, $this->z, $this->id, $this->meta);
+			}
+			return true;
+		}
+		return false;
+	}
+}
\ No newline at end of file
diff --git a/src/classes/material/block/plant/TallGrass.php b/src/classes/material/block/plant/TallGrass.php
new file mode 100644
index 000000000..be507038b
--- /dev/null
+++ b/src/classes/material/block/plant/TallGrass.php
@@ -0,0 +1,41 @@
+<?php
+
+/*
+
+           -
+         /   \
+      /         \
+   /   PocketMine  \
+/          MP         \
+|\     @shoghicp     /|
+|.   \           /   .|
+| ..     \   /     .. |
+|    ..    |    ..    |
+|       .. | ..       |
+\          |          /
+   \       |       /
+      \    |    /
+         \ | /
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+
+*/
+
+class TallGrassBlock extends FlowableBlock{
+	public function __construct($type = 1){
+		parent::__construct(TALL_GRASS, $type, "Tall Grass");
+		$this->isFlowable = true;
+		$this->isReplaceable = true;
+		$names = array(
+			0 => "Dead Shrub",
+			1 => "Tall Grass",
+			2 => "Fern",
+		);
+		$this->name = $names[$this->type & 0x03];
+	}
+	
+}
\ No newline at end of file
diff --git a/src/classes/material/block/solid/Bedrock.php b/src/classes/material/block/solid/Bedrock.php
new file mode 100644
index 000000000..ffd925bf2
--- /dev/null
+++ b/src/classes/material/block/solid/Bedrock.php
@@ -0,0 +1,34 @@
+<?php
+
+/*
+
+           -
+         /   \
+      /         \
+   /   PocketMine  \
+/          MP         \
+|\     @shoghicp     /|
+|.   \           /   .|
+| ..     \   /     .. |
+|    ..    |    ..    |
+|       .. | ..       |
+\          |          /
+   \       |       /
+      \    |    /
+         \ | /
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+
+*/
+
+class BedrockBlock extends SolidBlock{
+	public function __construct(){
+		parent::__construct(BEDROCK, 0, "Bedrock");
+		$this->isBreakable = false;
+	}
+	
+}
\ No newline at end of file
diff --git a/src/classes/material/block/solid/Cobblestone.php b/src/classes/material/block/solid/Cobblestone.php
new file mode 100644
index 000000000..98c0c4668
--- /dev/null
+++ b/src/classes/material/block/solid/Cobblestone.php
@@ -0,0 +1,33 @@
+<?php
+
+/*
+
+           -
+         /   \
+      /         \
+   /   PocketMine  \
+/          MP         \
+|\     @shoghicp     /|
+|.   \           /   .|
+| ..     \   /     .. |
+|    ..    |    ..    |
+|       .. | ..       |
+\          |          /
+   \       |       /
+      \    |    /
+         \ | /
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+
+*/
+
+class CobblestoneBlock extends SolidBlock{
+	public function __construct(){
+		parent::__construct(COBBLESTONE, 0, "Cobblestone");
+	}
+	
+}
\ No newline at end of file
diff --git a/src/classes/material/block/solid/Cobweb.php b/src/classes/material/block/solid/Cobweb.php
new file mode 100644
index 000000000..d191bb8e0
--- /dev/null
+++ b/src/classes/material/block/solid/Cobweb.php
@@ -0,0 +1,34 @@
+<?php
+
+/*
+
+           -
+         /   \
+      /         \
+   /   PocketMine  \
+/          MP         \
+|\     @shoghicp     /|
+|.   \           /   .|
+| ..     \   /     .. |
+|    ..    |    ..    |
+|       .. | ..       |
+\          |          /
+   \       |       /
+      \    |    /
+         \ | /
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+
+*/
+
+class CobwebBlock extends FlowableBlock{
+	public function __construct(){
+		parent::__construct(COBWEB, 0, "Cobweb");
+		$this->isFlowable = true;
+	}
+	
+}
\ No newline at end of file
diff --git a/src/classes/material/block/solid/Dirt.php b/src/classes/material/block/solid/Dirt.php
new file mode 100644
index 000000000..d05415ffc
--- /dev/null
+++ b/src/classes/material/block/solid/Dirt.php
@@ -0,0 +1,33 @@
+<?php
+
+/*
+
+           -
+         /   \
+      /         \
+   /   PocketMine  \
+/          MP         \
+|\     @shoghicp     /|
+|.   \           /   .|
+| ..     \   /     .. |
+|    ..    |    ..    |
+|       .. | ..       |
+\          |          /
+   \       |       /
+      \    |    /
+         \ | /
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+
+*/
+
+class DirtBlock extends SolidBlock{
+	public function __construct(){
+		parent::__construct(DIRT, 0, "Dirt");
+	}
+	
+}
\ No newline at end of file
diff --git a/src/classes/material/block/solid/Glass.php b/src/classes/material/block/solid/Glass.php
new file mode 100644
index 000000000..20ef6174c
--- /dev/null
+++ b/src/classes/material/block/solid/Glass.php
@@ -0,0 +1,33 @@
+<?php
+
+/*
+
+           -
+         /   \
+      /         \
+   /   PocketMine  \
+/          MP         \
+|\     @shoghicp     /|
+|.   \           /   .|
+| ..     \   /     .. |
+|    ..    |    ..    |
+|       .. | ..       |
+\          |          /
+   \       |       /
+      \    |    /
+         \ | /
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+
+*/
+
+class GlassBlock extends TransparentBlock{
+	public function __construct(){
+		parent::__construct(GLASS, 0, "Glass");
+	}
+	
+}
\ No newline at end of file
diff --git a/src/classes/material/block/solid/Gold.php b/src/classes/material/block/solid/Gold.php
new file mode 100644
index 000000000..6402e4ea3
--- /dev/null
+++ b/src/classes/material/block/solid/Gold.php
@@ -0,0 +1,33 @@
+<?php
+
+/*
+
+           -
+         /   \
+      /         \
+   /   PocketMine  \
+/          MP         \
+|\     @shoghicp     /|
+|.   \           /   .|
+| ..     \   /     .. |
+|    ..    |    ..    |
+|       .. | ..       |
+\          |          /
+   \       |       /
+      \    |    /
+         \ | /
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+
+*/
+
+class GoldBlock extends SolidBlock{
+	public function __construct(){
+		parent::__construct(GOLD_BLOCK, 0, "Gold Block");
+	}
+	
+}
\ No newline at end of file
diff --git a/src/classes/material/block/solid/Grass.php b/src/classes/material/block/solid/Grass.php
new file mode 100644
index 000000000..163537e0f
--- /dev/null
+++ b/src/classes/material/block/solid/Grass.php
@@ -0,0 +1,33 @@
+<?php
+
+/*
+
+           -
+         /   \
+      /         \
+   /   PocketMine  \
+/          MP         \
+|\     @shoghicp     /|
+|.   \           /   .|
+| ..     \   /     .. |
+|    ..    |    ..    |
+|       .. | ..       |
+\          |          /
+   \       |       /
+      \    |    /
+         \ | /
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+
+*/
+
+class GrassBlock extends SolidBlock{
+	public function __construct(){
+		parent::__construct(GRASS, 0, "Grass");
+	}
+	
+}
\ No newline at end of file
diff --git a/src/classes/material/block/solid/Gravel.php b/src/classes/material/block/solid/Gravel.php
new file mode 100644
index 000000000..18727fc7d
--- /dev/null
+++ b/src/classes/material/block/solid/Gravel.php
@@ -0,0 +1,33 @@
+<?php
+
+/*
+
+           -
+         /   \
+      /         \
+   /   PocketMine  \
+/          MP         \
+|\     @shoghicp     /|
+|.   \           /   .|
+| ..     \   /     .. |
+|    ..    |    ..    |
+|       .. | ..       |
+\          |          /
+   \       |       /
+      \    |    /
+         \ | /
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+
+*/
+
+class GravelBlock extends FallableBlock{
+	public function __construct(){
+		parent::__construct(GRAVEL, 0, "Gravel");
+	}
+	
+}
\ No newline at end of file
diff --git a/src/classes/material/block/solid/Iron.php b/src/classes/material/block/solid/Iron.php
new file mode 100644
index 000000000..3a25b0d0b
--- /dev/null
+++ b/src/classes/material/block/solid/Iron.php
@@ -0,0 +1,33 @@
+<?php
+
+/*
+
+           -
+         /   \
+      /         \
+   /   PocketMine  \
+/          MP         \
+|\     @shoghicp     /|
+|.   \           /   .|
+| ..     \   /     .. |
+|    ..    |    ..    |
+|       .. | ..       |
+\          |          /
+   \       |       /
+      \    |    /
+         \ | /
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+
+*/
+
+class IronBlock extends SolidBlock{
+	public function __construct(){
+		parent::__construct(IRON_BLOCK, 0, "Iron Block");
+	}
+	
+}
\ No newline at end of file
diff --git a/src/classes/material/block/solid/Lapis.php b/src/classes/material/block/solid/Lapis.php
new file mode 100644
index 000000000..e58e0d26a
--- /dev/null
+++ b/src/classes/material/block/solid/Lapis.php
@@ -0,0 +1,33 @@
+<?php
+
+/*
+
+           -
+         /   \
+      /         \
+   /   PocketMine  \
+/          MP         \
+|\     @shoghicp     /|
+|.   \           /   .|
+| ..     \   /     .. |
+|    ..    |    ..    |
+|       .. | ..       |
+\          |          /
+   \       |       /
+      \    |    /
+         \ | /
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+
+*/
+
+class LapisBlock extends SolidBlock{
+	public function __construct(){
+		parent::__construct(LAPIS_BLOCK, 0, "Lapis Block");
+	}
+	
+}
\ No newline at end of file
diff --git a/src/classes/material/block/solid/Leaves.php b/src/classes/material/block/solid/Leaves.php
new file mode 100644
index 000000000..2d981fe30
--- /dev/null
+++ b/src/classes/material/block/solid/Leaves.php
@@ -0,0 +1,39 @@
+<?php
+
+/*
+
+           -
+         /   \
+      /         \
+   /   PocketMine  \
+/          MP         \
+|\     @shoghicp     /|
+|.   \           /   .|
+| ..     \   /     .. |
+|    ..    |    ..    |
+|       .. | ..       |
+\          |          /
+   \       |       /
+      \    |    /
+         \ | /
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+
+*/
+
+class LeavesBlock extends TransparentBlock{
+	public function __construct($type = 0){
+		parent::__construct(LEAVES, $type, "Leaves");
+		$names = array(
+			0 => "Oak Leaves",
+			1 => "Spruce Leaves",
+			2 => "Birch Leaves",
+		);
+		$this->name = $names[$this->type & 0x03];
+	}
+	
+}
\ No newline at end of file
diff --git a/src/classes/material/block/solid/Planks.php b/src/classes/material/block/solid/Planks.php
new file mode 100644
index 000000000..d41c3d3ff
--- /dev/null
+++ b/src/classes/material/block/solid/Planks.php
@@ -0,0 +1,33 @@
+<?php
+
+/*
+
+           -
+         /   \
+      /         \
+   /   PocketMine  \
+/          MP         \
+|\     @shoghicp     /|
+|.   \           /   .|
+| ..     \   /     .. |
+|    ..    |    ..    |
+|       .. | ..       |
+\          |          /
+   \       |       /
+      \    |    /
+         \ | /
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+
+*/
+
+class PlanksBlock extends SolidBlock{
+	public function __construct($type = 0){
+		parent::__construct(PLANKS, $type, "Wooden Planks");
+	}
+	
+}
\ No newline at end of file
diff --git a/src/classes/material/block/solid/Sand.php b/src/classes/material/block/solid/Sand.php
new file mode 100644
index 000000000..ede2da1a4
--- /dev/null
+++ b/src/classes/material/block/solid/Sand.php
@@ -0,0 +1,33 @@
+<?php
+
+/*
+
+           -
+         /   \
+      /         \
+   /   PocketMine  \
+/          MP         \
+|\     @shoghicp     /|
+|.   \           /   .|
+| ..     \   /     .. |
+|    ..    |    ..    |
+|       .. | ..       |
+\          |          /
+   \       |       /
+      \    |    /
+         \ | /
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+
+*/
+
+class SandBlock extends FallableBlock{
+	public function __construct(){
+		parent::__construct(SAND, 0, "Sand");
+	}
+	
+}
\ No newline at end of file
diff --git a/src/classes/material/block/solid/Sandstone.php b/src/classes/material/block/solid/Sandstone.php
new file mode 100644
index 000000000..ddaa2555a
--- /dev/null
+++ b/src/classes/material/block/solid/Sandstone.php
@@ -0,0 +1,39 @@
+<?php
+
+/*
+
+           -
+         /   \
+      /         \
+   /   PocketMine  \
+/          MP         \
+|\     @shoghicp     /|
+|.   \           /   .|
+| ..     \   /     .. |
+|    ..    |    ..    |
+|       .. | ..       |
+\          |          /
+   \       |       /
+      \    |    /
+         \ | /
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+
+*/
+
+class SandstoneBlock extends SolidBlock{
+	public function __construct($type = 0){
+		parent::__construct(SANDSTONE, $type, "Sandstone");
+		$names = array(
+			0 => "Sandstone",
+			1 => "Chiseled Sandstone",
+			2 => "Smooth Sandstone",
+		);
+		$this->name = $names[$this->type & 0x03];
+	}
+	
+}
\ No newline at end of file
diff --git a/src/classes/material/block/solid/Stone.php b/src/classes/material/block/solid/Stone.php
new file mode 100644
index 000000000..d45b72b36
--- /dev/null
+++ b/src/classes/material/block/solid/Stone.php
@@ -0,0 +1,33 @@
+<?php
+
+/*
+
+           -
+         /   \
+      /         \
+   /   PocketMine  \
+/          MP         \
+|\     @shoghicp     /|
+|.   \           /   .|
+| ..     \   /     .. |
+|    ..    |    ..    |
+|       .. | ..       |
+\          |          /
+   \       |       /
+      \    |    /
+         \ | /
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+
+*/
+
+class StoneBlock extends SolidBlock{
+	public function __construct(){
+		parent::__construct(STONE, 0, "Stone");
+	}
+	
+}
\ No newline at end of file
diff --git a/src/classes/material/block/solid/Wood.php b/src/classes/material/block/solid/Wood.php
new file mode 100644
index 000000000..42a0cfad8
--- /dev/null
+++ b/src/classes/material/block/solid/Wood.php
@@ -0,0 +1,42 @@
+<?php
+
+/*
+
+           -
+         /   \
+      /         \
+   /   PocketMine  \
+/          MP         \
+|\     @shoghicp     /|
+|.   \           /   .|
+| ..     \   /     .. |
+|    ..    |    ..    |
+|       .. | ..       |
+\          |          /
+   \       |       /
+      \    |    /
+         \ | /
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+
+*/
+
+class WoodBlock extends SolidBlock{
+	const OAK = 0;
+	const SPRUCE = 1;
+	const BIRCH = 2;
+	public function __construct($type = 0){
+		parent::__construct(WOOD, $type, "Wood");
+		$names = array(
+			0 => "Oak Wood",
+			1 => "Spruce Wood",
+			2 => "Birch Wood",
+		);
+		$this->name = $names[$this->type & 0x03];
+	}
+	
+}
\ No newline at end of file
diff --git a/src/classes/world/generator/object/tree/TreeObject.php b/src/classes/world/generator/object/tree/TreeObject.php
index 52b0e6f29..a9afba782 100644
--- a/src/classes/world/generator/object/tree/TreeObject.php
+++ b/src/classes/world/generator/object/tree/TreeObject.php
@@ -33,8 +33,8 @@ class TreeObject{
 		17 => true,
 		18 => true,
 	);
-	public static function growTree(LevelAPI $level, $block, $type){
-		switch($type){
+	public static function growTree(LevelAPI $level, Block $block){
+		switch($block->getMetadata() & 0x03){
 			case Sapling::SPRUCE:
 				if(mt_rand(0,1) == 1){
 					$tree = new SpruceTreeObject();
@@ -55,8 +55,8 @@ class TreeObject{
 				}
 				break;
 		}
-		if($tree->canPlaceObject($level, $block[2][0], $block[2][1], $block[2][2])){
-			$tree->placeObject($level, $block[2][0], $block[2][1], $block[2][2]);
+		if($tree->canPlaceObject($level, $block->position->x, $block->position->y, $block->position->z)){
+			$tree->placeObject($level, $block->position->x, $block->position->y, $block->position->z);
 		}
 	}
 }
\ No newline at end of file
diff --git a/src/common/functions.php b/src/common/functions.php
index 70a955021..6d763b380 100644
--- a/src/common/functions.php
+++ b/src/common/functions.php
@@ -46,16 +46,20 @@ function kill($pid){
 
 function require_all($path, &$count = 0){
 	$dir = dir($path."/");
+	$dirs = array();
 	while(false !== ($file = $dir->read())){
 		if($file !== "." and $file !== ".."){
 			if(!is_dir($path.$file) and strtolower(substr($file, -3)) === "php"){
 				require_once($path.$file);
 				++$count;
 			}elseif(is_dir($path.$file)){
-				require_all($path.$file."/", $count);
+				$dirs[] = $path.$file."/";
 			}
 		}
 	}
+	foreach($dirs as $dir){
+		require_all($dir, $count);
+	}
 
 }