Changes made to be compatible with the DevTools plugin

src/world/generator/object/tree/TreeObject.php

@@ -0,0 +1,62 @@
+<?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 TreeObject{
+	var $overridable = array(
+		0 => true,
+		6 => true,
+		17 => true,
+		18 => true,
+	);
+	public static function growTree(BlockAPI $level, Block $block){
+		switch($block->getMetadata() & 0x03){
+			case SaplingBlock::SPRUCE:
+				if(mt_rand(0,1) == 1){
+					$tree = new SpruceTreeObject();
+				}else{
+					$tree = new PineTreeObject();
+				}
+				break;
+			case SaplingBlock::BIRCH:
+				$tree = new SmallTreeObject();
+				$tree->type = SaplingBlock::BIRCH;
+				break;
+			default:
+			case SaplingBlock::OAK:
+				if(mt_rand(0,9) === 0){
+					$tree = new BigTreeObject();
+				}else{
+					$tree = new SmallTreeObject();
+				}
+				break;
+		}
+		if($tree->canPlaceObject($level, $block->x, $block->y, $block->z)){
+			$tree->placeObject($level, $block->x, $block->y, $block->z);
+		}
+	}
+}