Files
PocketMine-MP/src/pocketmine/inventory/PlayerInventory.php
2017-09-21 12:54:04 +01:00

402 lines
10 KiB
PHP

<?php
/*
*
* ____ _ _ __ __ _ __ __ ____
* | _ \ ___ ___| | _____| |_| \/ (_)_ __ ___ | \/ | _ \
* | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
* | __/ (_) | (__| < __/ |_| | | | | | | | __/_____| | | | __/
* |_| \___/ \___|_|\_\___|\__|_| |_|_|_| |_|\___| |_| |_|_|
*
* 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.
*
* @author PocketMine Team
* @link http://www.pocketmine.net/
*
*
*/
declare(strict_types=1);
namespace pocketmine\inventory;
use pocketmine\entity\Human;
use pocketmine\event\entity\EntityArmorChangeEvent;
use pocketmine\event\player\PlayerItemHeldEvent;
use pocketmine\item\Item;
use pocketmine\item\ItemFactory;
use pocketmine\network\mcpe\protocol\InventoryContentPacket;
use pocketmine\network\mcpe\protocol\InventorySlotPacket;
use pocketmine\network\mcpe\protocol\MobArmorEquipmentPacket;
use pocketmine\network\mcpe\protocol\MobEquipmentPacket;
use pocketmine\network\mcpe\protocol\types\ContainerIds;
use pocketmine\Player;
use pocketmine\Server;
class PlayerInventory extends EntityInventory{
/** @var Human */
protected $holder;
/** @var int */
protected $itemInHandIndex = 0;
/**
* @param Human $player
*/
public function __construct(Human $player){
parent::__construct($player);
}
public function getName() : string{
return "Player";
}
public function getDefaultSize() : int{
return 40; //36 inventory, 4 armor
}
public function getSize() : int{
return parent::getSize() - 4; //Remove armor slots
}
public function setSize(int $size){
parent::setSize($size + 4);
$this->sendContents($this->getViewers());
}
/**
* Called when a client equips a hotbar slot. This method should not be used by plugins.
* This method will call PlayerItemHeldEvent.
*
* @param int $hotbarSlot Number of the hotbar slot to equip.
*
* @return bool if the equipment change was successful, false if not.
*/
public function equipItem(int $hotbarSlot) : bool{
if(!$this->isHotbarSlot($hotbarSlot)){
$this->sendContents($this->getHolder());
return false;
}
$this->getHolder()->getLevel()->getServer()->getPluginManager()->callEvent($ev = new PlayerItemHeldEvent($this->getHolder(), $this->getItem($hotbarSlot), $hotbarSlot));
if($ev->isCancelled()){
$this->sendHeldItem($this->getHolder());
return false;
}
$this->setHeldItemIndex($hotbarSlot, false);
return true;
}
private function isHotbarSlot(int $slot) : bool{
return $slot >= 0 and $slot <= $this->getHotbarSize();
}
/**
* @param int $slot
* @throws \InvalidArgumentException
*/
private function throwIfNotHotbarSlot(int $slot){
if(!$this->isHotbarSlot($slot)){
throw new \InvalidArgumentException("$slot is not a valid hotbar slot index (expected 0 - " . ($this->getHotbarSize() - 1) . ")");
}
}
/**
* Returns the item in the specified hotbar slot.
*
* @param int $hotbarSlot
* @return Item
*
* @throws \InvalidArgumentException if the hotbar slot index is out of range
*/
public function getHotbarSlotItem(int $hotbarSlot) : Item{
$this->throwIfNotHotbarSlot($hotbarSlot);
return $this->getItem($hotbarSlot);
}
/**
* @deprecated
* @return int
*/
public function getHeldItemSlot() : int{
return $this->getHeldItemIndex();
}
/**
* Returns the hotbar slot number the holder is currently holding.
* @return int
*/
public function getHeldItemIndex() : int{
return $this->itemInHandIndex;
}
/**
* Sets which hotbar slot the player is currently loading.
*
* @param int $hotbarSlot 0-8 index of the hotbar slot to hold
* @param bool $send Whether to send updates back to the inventory holder. This should usually be true for plugin calls.
* It should only be false to prevent feedback loops of equipment packets between client and server.
*
* @throws \InvalidArgumentException if the hotbar slot is out of range
*/
public function setHeldItemIndex(int $hotbarSlot, bool $send = true){
$this->throwIfNotHotbarSlot($hotbarSlot);
$this->itemInHandIndex = $hotbarSlot;
if($this->getHolder() instanceof Player and $send){
$this->sendHeldItem($this->getHolder());
}
$this->sendHeldItem($this->getHolder()->getViewers());
}
/**
* Returns the currently-held item.
*
* @return Item
*/
public function getItemInHand() : Item{
return $this->getHotbarSlotItem($this->itemInHandIndex);
}
/**
* Sets the item in the currently-held slot to the specified item.
*
* @param Item $item
*
* @return bool
*/
public function setItemInHand(Item $item) : bool{
return $this->setItem($this->getHeldItemIndex(), $item);
}
/**
* Sends the currently-held item to specified targets.
* @param Player|Player[] $target
*/
public function sendHeldItem($target){
$item = $this->getItemInHand();
$pk = new MobEquipmentPacket();
$pk->entityRuntimeId = $this->getHolder()->getId();
$pk->item = $item;
$pk->inventorySlot = $pk->hotbarSlot = $this->getHeldItemIndex();
$pk->windowId = ContainerIds::INVENTORY;
if(!is_array($target)){
$target->dataPacket($pk);
if($target === $this->getHolder()){
$this->sendSlot($this->getHeldItemIndex(), $target);
}
}else{
$this->getHolder()->getLevel()->getServer()->broadcastPacket($target, $pk);
if(in_array($this->getHolder(), $target, true)){
$this->sendSlot($this->getHeldItemIndex(), $this->getHolder());
}
}
}
public function onSlotChange(int $index, Item $before, bool $send) : void{
$holder = $this->getHolder();
if($holder instanceof Player and !$holder->spawned){
return;
}
if($index >= $this->getSize()){
$this->sendArmorSlot($index, $this->getViewers());
$this->sendArmorSlot($index, $this->getHolder()->getViewers());
}else{
//Do not send armor by accident here.
parent::onSlotChange($index, $before, $send);
}
}
/**
* Returns the number of slots in the hotbar.
* @return int
*/
public function getHotbarSize() : int{
return 9;
}
public function getArmorItem(int $index) : Item{
return $this->getItem($this->getSize() + $index);
}
public function setArmorItem(int $index, Item $item) : bool{
return $this->setItem($this->getSize() + $index, $item);
}
public function getHelmet() : Item{
return $this->getItem($this->getSize());
}
public function getChestplate() : Item{
return $this->getItem($this->getSize() + 1);
}
public function getLeggings() : Item{
return $this->getItem($this->getSize() + 2);
}
public function getBoots() : Item{
return $this->getItem($this->getSize() + 3);
}
public function setHelmet(Item $helmet) : bool{
return $this->setItem($this->getSize(), $helmet);
}
public function setChestplate(Item $chestplate) : bool{
return $this->setItem($this->getSize() + 1, $chestplate);
}
public function setLeggings(Item $leggings) : bool{
return $this->setItem($this->getSize() + 2, $leggings);
}
public function setBoots(Item $boots) : bool{
return $this->setItem($this->getSize() + 3, $boots);
}
protected function doSetItemEvents(int $index, Item $newItem) : ?Item{
if($index >= $this->getSize()){
Server::getInstance()->getPluginManager()->callEvent($ev = new EntityArmorChangeEvent($this->getHolder(), $this->getItem($index), $newItem, $index));
if($ev->isCancelled()){
return null;
}
return $ev->getNewItem();
}
return parent::doSetItemEvents($index, $newItem);
}
public function clearAll() : void{
parent::clearAll();
for($i = $this->getSize(), $m = $i + 4; $i < $m; ++$i){
$this->clear($i, false);
}
$this->sendArmorContents($this->getViewers());
}
/**
* @return Item[]
*/
public function getArmorContents() : array{
$armor = [];
for($i = 0; $i < 4; ++$i){
$armor[$i] = $this->getItem($this->getSize() + $i);
}
return $armor;
}
/**
* @param Player|Player[] $target
*/
public function sendArmorContents($target){
if($target instanceof Player){
$target = [$target];
}
$armor = $this->getArmorContents();
$pk = new MobArmorEquipmentPacket();
$pk->entityRuntimeId = $this->getHolder()->getId();
$pk->slots = $armor;
$pk->encode();
foreach($target as $player){
if($player === $this->getHolder()){
$pk2 = new InventoryContentPacket();
$pk2->windowId = ContainerIds::ARMOR;
$pk2->items = $armor;
$player->dataPacket($pk2);
}else{
$player->dataPacket($pk);
}
}
}
/**
* @param Item[] $items
*/
public function setArmorContents(array $items){
for($i = 0; $i < 4; ++$i){
if(!isset($items[$i]) or !($items[$i] instanceof Item)){
$items[$i] = ItemFactory::get(Item::AIR, 0, 0);
}
$this->setItem($this->getSize() + $i, $items[$i], false);
}
$this->sendArmorContents($this->getViewers());
}
/**
* @param int $index
* @param Player|Player[] $target
*/
public function sendArmorSlot(int $index, $target){
if($target instanceof Player){
$target = [$target];
}
$armor = $this->getArmorContents();
$pk = new MobArmorEquipmentPacket();
$pk->entityRuntimeId = $this->getHolder()->getId();
$pk->slots = $armor;
$pk->encode();
foreach($target as $player){
if($player === $this->getHolder()){
/** @var Player $player */
$pk2 = new InventorySlotPacket();
$pk2->windowId = ContainerIds::ARMOR;
$pk2->inventorySlot = $index - $this->getSize();
$pk2->item = $this->getItem($index);
$player->dataPacket($pk2);
}else{
$player->dataPacket($pk);
}
}
}
public function sendCreativeContents(){
$pk = new InventoryContentPacket();
$pk->windowId = ContainerIds::CREATIVE;
if(!$this->getHolder()->isSpectator()){ //fill it for all gamemodes except spectator
foreach(Item::getCreativeItems() as $i => $item){
$pk->items[$i] = clone $item;
}
}
$this->getHolder()->dataPacket($pk);
}
/**
* This override is here for documentation and code completion purposes only.
* @return Human|Player
*/
public function getHolder(){
return $this->holder;
}
}