From fae7fae8eca50da5f8e151245f19c5a88f12ec1f Mon Sep 17 00:00:00 2001
From: Shoghi Cervantes Pueyo <shoghicp@gmail.com>
Date: Thu, 20 Dec 2012 13:50:20 +0100
Subject: [PATCH] Save placed blocks

---
 README.md                             |  2 +-
 TODO                                  |  1 -
 classes/API/LevelAPI.php              | 26 ++++++++++++++++++++++++++
 classes/CustomPacketHandler.class.php | 18 ++++++++++++++++++
 classes/Session.class.php             |  6 ++++++
 5 files changed, 51 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 13cede87c..d94748539 100644
--- a/README.md
+++ b/README.md
@@ -46,7 +46,7 @@ Current features of the server:
 -------------------------------
 * Players can connect and move around the world (and see each other)
 * Support for reading/sending chunks!
-* Map saving!
+* Map saving! Place & remove blocks
 * Multiple worlds and importing!
 * PvP, life regeneration and death cause!
 * Extensible API!
diff --git a/TODO b/TODO
index 600d9a458..d5123fbe7 100644
--- a/TODO
+++ b/TODO
@@ -1,4 +1,3 @@
-- Save placed blocks and relay them to other players.
 - Fix spawn position resetting
 - Mob spawning, item pick up
 - Fix metadata orientation
diff --git a/classes/API/LevelAPI.php b/classes/API/LevelAPI.php
index f9f32a78d..14db516e8 100644
--- a/classes/API/LevelAPI.php
+++ b/classes/API/LevelAPI.php
@@ -37,10 +37,36 @@ class LevelAPI{
 	
 	public function init(){
 		$this->server->addHandler("onBlockBreak", array($this, "handle"));
+		$this->server->addHandler("onBlockPlace", array($this, "handle"));
 	}
 	
 	public function handle($data, $event){
 		switch($event){
+			case "onBlockPlace":
+				switch($data["face"]){
+					case 0:
+						--$data["y"];
+						break;
+					case 1:
+						++$data["y"];
+						break;
+					case 2:
+						--$data["z"];
+						break;
+					case 3:
+						++$data["z"];
+						break;
+					case 4:
+						--$data["x"];
+						break;
+					case 5:
+						++$data["x"];
+						break;
+				}
+				$block = $this->getBlock($data["x"], $data["y"], $data["z"]);
+				console("[DEBUG] EID ".$data["eid"]." placed ".$data["block"].":".$data["meta"]." into ".$block[0].":".$block[1]." at X ".$data["x"]." Y ".$data["y"]." Z ".$data["z"], true, true, 2);
+				$this->setBlock($data["x"], $data["y"], $data["z"], $data["block"], $data["meta"]);
+				break;
 			case "onBlockBreak":
 					$block = $this->getBlock($data["x"], $data["y"], $data["z"]);
 					console("[DEBUG] EID ".$data["eid"]." broke block ".$block[0].":".$block[1]." at X ".$data["x"]." Y ".$data["y"]." Z ".$data["z"], true, true, 2);
diff --git a/classes/CustomPacketHandler.class.php b/classes/CustomPacketHandler.class.php
index 3a9e04bf3..ac9cfb8d8 100644
--- a/classes/CustomPacketHandler.class.php
+++ b/classes/CustomPacketHandler.class.php
@@ -415,6 +415,24 @@ class CustomPacketHandler{
 					$this->raw .= Utils::writeInt($this->data["target"]);
 				}			
 				break;
+			case MC_USE_ITEM:
+				if($this->c === false){	
+					$this->data["x"] = Utils::readInt($this->get(4));
+					$this->data["y"] = Utils::readInt($this->get(4));
+					$this->data["z"] = Utils::readInt($this->get(4));
+					$this->data["face"] = Utils::readInt($this->get(4));
+					$this->data["block"] = Utils::readShort($this->get(2));
+					$this->data["meta"] = Utils::readByte($this->get(1));
+					$this->data["eid"] = Utils::readInt($this->get(4));
+					$this->data["unknown2"] = Utils::readFloat($this->get(4));
+					$this->data["unknown3"] = Utils::readFloat($this->get(4));
+					$this->data["unknown4"] = Utils::readFloat($this->get(4));
+				}else{
+					$this->raw .= Utils::writeByte($this->data["action"]);
+					$this->raw .= Utils::writeInt($this->data["eid"]);
+					$this->raw .= Utils::writeInt($this->data["target"]);
+				}							
+				break;
 			case MC_SET_ENTITY_DATA:
 				if($this->c === false){	
 					$this->data["eid"] = Utils::readInt($this->get(4));
diff --git a/classes/Session.class.php b/classes/Session.class.php
index f881f0e22..99e70c5d1 100644
--- a/classes/Session.class.php
+++ b/classes/Session.class.php
@@ -313,6 +313,12 @@ class Session{
 							');
 							console("[INTERNAL] Chunk X ".$data["x"]." Z ".$data["z"]." requested", true, true, 3);
 							break;
+						case MC_USE_ITEM:
+							if($data["face"] >= 0 and $data["face"] <= 5 and $data["block"] !== 0){
+								$data["eid"] = $this->eid;
+								$this->server->handle("onBlockPlace", $data);
+							}
+							break;
 						case MC_PLACE_BLOCK:
 							var_dump($data);
 							break;