PocketMine-MP/src/world/Level.php

602 lines
16 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/
*
*
*/
class Level{
public $players = array();
public $entities = array();
public $chunkEntities = array();
public $tiles = array();
public $chunkTiles = array();
public $nextSave, $level;
private $time, $startCheck, $startTime, $server, $name, $usedChunks, $changedBlocks, $changedCount, $stopTime, $generator;
public function __construct(PMFLevel $level, $name){
$this->server = ServerAPI::request();
$this->level = $level;
$this->level->level = $this;
$this->startTime = $this->time = (int) $this->level->getData("time");
$this->nextSave = $this->startCheck = microtime(true);
$this->nextSave += 90;
$this->stopTime = false;
$this->server->schedule(2, array($this, "checkThings"), array(), true);
$this->server->schedule(20 * 13, array($this, "checkTime"), array(), true);
$this->name = $name;
$this->usedChunks = array();
$this->changedBlocks = array();
$this->changedCount = array();
if(class_exists($this->level->levelData["generator"])){
$gen = $this->level->levelData["generator"];
$this->generator = new $gen((array) $this->level->levelData["generatorSettings"]);
}else{
if(strtoupper($this->server->api->getProperty("level-type")) == "FLAT"){
$this->generator = new SuperflatGenerator();
}else{
$this->generator = new NormalGenerator();
}
}
$this->generator->init($this, new Random($this->level->levelData["seed"]));
}
public function close(){
$this->__destruct();
}
public function getUsingChunk($X, $Z){
$index = PMFLevel::getIndex($X, $Z);
return isset($this->usedChunks[$index]) ? $this->usedChunks[$index]:array();
}
public function useChunk($X, $Z, Player $player){
$index = PMFLevel::getIndex($X, $Z);
$this->loadChunk($X, $Z);
$this->usedChunks[$index][$player->CID] = $player;
}
public function freeAllChunks(Player $player){
foreach($this->usedChunks as $i => $c){
unset($this->usedChunks[$i][$player->CID]);
}
}
public function freeChunk($X, $Z, Player $player){
unset($this->usedChunks[PMFLevel::getIndex($X, $Z)][$player->CID]);
}
public function isChunkPopulated($X, $Z){
return $this->level->isPopulated($X, $Z);
}
public function checkTime(){
if(!isset($this->level)){
return false;
}
$now = microtime(true);
if($this->stopTime == true){
}else{
$time = $this->startTime + ($now - $this->startCheck) * 20;
}
if($this->server->api->dhandle("time.change", array("level" => $this, "time" => $time)) !== false){
$this->time = $time;
$pk = new SetTimePacket;
$pk->time = (int) $this->time;
$pk->started = $this->stopTime == false;
Player::broadcastPacket($this->players, $pk);
}
}
public function checkThings(){
if(!isset($this->level)){
return false;
}
$now = microtime(true);
if($this->level->isGenerating === 0 and count($this->changedCount) > 0){
foreach($this->changedCount as $index => $mini){
for($Y = 0; $Y < 8; ++$Y){
if(($mini & (1 << $Y)) === 0){
continue;
}
if(count($this->changedBlocks[$index][$Y]) < 582){//Optimal value, calculated using the relation between minichunks and single packets
continue;
}else{
foreach($this->players as $p){
if(isset($p->chunksLoaded[$index])){
$p->chunksLoaded[$index] |= $mini;
}
}
unset($this->changedBlocks[$index][$Y]);
}
}
}
$this->changedCount = array();
if(count($this->changedBlocks) > 0){
foreach($this->changedBlocks as $index => $mini){
foreach($mini as $blocks){
foreach($blocks as $b){
$pk = new UpdateBlockPacket;
$pk->x = $b->x;
$pk->y = $b->y;
$pk->z = $b->z;
$pk->block = $b->getID();
$pk->meta = $b->getMetadata();
Player::broadcastPacket($this->players, $pk);
}
}
}
$this->changedBlocks = array();
}
}
if($this->nextSave < $now){
foreach($this->usedChunks as $i => $c){
if(count($c) === 0){
unset($this->usedChunks[$i]);
$X = explode(".", $i);
$Z = (int) array_pop($X);
$X = (int) array_pop($X);
if(!$this->isSpawnChunk($X, $Z)){
$this->level->unloadChunk($X, $Z, $this->server->saveEnabled);
}
}
}
$this->save(false, false);
}
}
public function generateChunk($X, $Z){
++$this->level->isGenerating;
$this->generator->generateChunk($X, $Z);
--$this->level->isGenerating;
return true;
}
public function populateChunk($X, $Z){
$this->level->setPopulated($X, $Z);
$this->generator->populateChunk($X, $Z);
return true;
}
public function __destruct(){
if(isset($this->level)){
$this->save(false, false);
$this->level->closeLevel();
unset($this->level);
}
}
public function save($force = false, $extra = true){
if(!isset($this->level)){
return false;
}
if($this->server->saveEnabled === false and $force === false){
return;
}
if($extra !== false){
$this->doSaveRoundExtra();
}
$this->level->setData("time", (int) $this->time);
$this->level->doSaveRound($force);
$this->level->saveData();
$this->nextSave = microtime(true) + 45;
}
protected function doSaveRoundExtra(){
foreach($this->usedChunks as $index => $d){
PMFLevel::getXZ($index, $X, $Z);
$nbt = new NBT(NBT::BIG_ENDIAN);
$nbt->setData(new NBTTag_Compound("", array(
"Entities" => new NBTTag_List("Entities", array()),
"TileEntities" => new NBTTag_List("TileEntities", array()),
)));
$nbt->Entities->setTagType(NBTTag::TAG_Compound);
$nbt->TileEntities->setTagType(NBTTag::TAG_Compound);
$i = 0;
foreach($this->chunkEntities[$index] as $entity){
if($entity->closed !== true){
$nbt->Entities[$i] = $entity->namedtag;
++$i;
}
}
$i = 0;
foreach($this->chunkTiles[$index] as $tile){
if($tile->closed !== true){
$nbt->TileEntities[$i] = $tile->namedtag;
++$i;
}
}
$this->level->setChunkNBT($X, $Z, $nbt);
}
}
public function getBlockRaw(Vector3 $pos){
$b = $this->level->getBlock($pos->x, $pos->y, $pos->z);
return BlockAPI::get($b[0], $b[1], new Position($pos->x, $pos->y, $pos->z, $this));
}
public function getBlock(Vector3 $pos){
if(!isset($this->level) or ($pos instanceof Position) and $pos->level !== $this){
return false;
}
$b = $this->level->getBlock($pos->x, $pos->y, $pos->z);
return BlockAPI::get($b[0], $b[1], new Position($pos->x, $pos->y, $pos->z, $this));
}
public function setBlockRaw(Vector3 $pos, Block $block, $direct = true, $send = true){
if(($ret = $this->level->setBlock($pos->x, $pos->y, $pos->z, $block->getID(), $block->getMetadata())) === true and $send !== false){
if($direct === true){
$pk = new UpdateBlockPacket;
$pk->x = $pos->x;
$pk->y = $pos->y;
$pk->z = $pos->z;
$pk->block = $block->getID();
$pk->meta = $block->getMetadata();
Player::broadcastPacket($this->players, $pk);
}elseif($direct === false){
if(!($pos instanceof Position)){
$pos = new Position($pos->x, $pos->y, $pos->z, $this);
}
$block->position($pos);
$index = PMFLevel::getIndex($pos->x >> 4, $pos->z >> 4);
if(ADVANCED_CACHE == true){
Cache::remove("world:{$this->name}:{$index}");
}
if(!isset($this->changedBlocks[$index])){
$this->changedBlocks[$index] = array();
$this->changedCount[$index] = 0;
}
$Y = $pos->y >> 4;
if(!isset($this->changedBlocks[$index][$Y])){
$this->changedBlocks[$index][$Y] = array();
$this->changedCount[$index] |= 1 << $Y;
}
$this->changedBlocks[$index][$Y][] = clone $block;
}
}
return $ret;
}
public function setBlock(Vector3 $pos, Block $block, $update = true, $tiles = false, $direct = false){
if(!isset($this->level) or (($pos instanceof Position) and $pos->level !== $this) or $pos->x < 0 or $pos->y < 0 or $pos->z < 0){
return false;
}
$ret = $this->level->setBlock($pos->x, $pos->y, $pos->z, $block->getID(), $block->getMetadata());
if($ret === true){
if(!($pos instanceof Position)){
$pos = new Position($pos->x, $pos->y, $pos->z, $this);
}
$block->position($pos);
if($direct === true){
$pk = new UpdateBlockPacket;
$pk->x = $pos->x;
$pk->y = $pos->y;
$pk->z = $pos->z;
$pk->block = $block->getID();
$pk->meta = $block->getMetadata();
Player::broadcastPacket($this->players, $pk);
}else{
$index = PMFLevel::getIndex($pos->x >> 4, $pos->z >> 4);
if(ADVANCED_CACHE == true){
Cache::remove("world:{$this->name}:{$index}");
}
if(!isset($this->changedBlocks[$index])){
$this->changedBlocks[$index] = array();
$this->changedCount[$index] = 0;
}
$Y = $pos->y >> 4;
if(!isset($this->changedBlocks[$index][$Y])){
$this->changedBlocks[$index][$Y] = array();
$this->changedCount[$index] |= 1 << $Y;
}
$this->changedBlocks[$index][$Y][] = clone $block;
}
if($update === true){
$this->server->api->block->blockUpdateAround($pos, BLOCK_UPDATE_NORMAL, 1);
}
if($tiles === true){
if(($t = $this->getTile($pos)) !== false){
$t->close();
}
}
}
return $ret;
}
public function getBiome($x, $z){
return $this->level->getBiome((int) $x, (int) $z);
}
public function setBiome($x, $z, $biome){
return $this->level->getBiome((int) $x, (int) $z, $biome);
}
public function getEntities(){
return $this->entities;
}
public function getTiles(){
return $this->tiles;
}
public function getPlayers(){
return $this->players;
}
public function getTile(Vector3 $pos){
if($pos instanceof Position and $pos->level !== $this){
return false;
}
$tiles = $this->getChunkTiles($pos->x >> 4, $pos->z >> 4);
if(count($tiles) > 0){
foreach($tiles as $tile){
if($tile->x === (int) $pos->x and $tile->y === (int) $pos->y and $tile->z === (int) $pos->z){
return $tile;
}
}
}
return false;
}
public function getMiniChunk($X, $Z, $Y){
if(!isset($this->level)){
return false;
}
return $this->level->getMiniChunk($X, $Z, $Y);
}
public function setMiniChunk($X, $Z, $Y, $data){
if(!isset($this->level)){
return false;
}
$this->changedCount[$X.":".$Y.":".$Z] = 4096;
if(ADVANCED_CACHE == true){
Cache::remove("world:{$this->name}:$X:$Z");
}
return $this->level->setMiniChunk($X, $Z, $Y, $data);
}
public function getChunkEntities($X, $Z){
$index = PMFLevel::getIndex($X, $Z);
if(isset($this->usedChunks[$index]) or $this->loadChunk($X, $Z) === true){
return $this->chunkEntities[$index];
}
return array();
}
public function getChunkTiles($X, $Z){
$index = PMFLevel::getIndex($X, $Z);
if(isset($this->usedChunks[$index]) or $this->loadChunk($X, $Z) === true){
return $this->chunkTiles[$index];
}
return array();
}
public function loadChunk($X, $Z){
if(!isset($this->level)){
return false;
}
$index = PMFLevel::getIndex($X, $Z);
if(isset($this->usedChunks[$index])){
return true;
}elseif($this->level->loadChunk($X, $Z) !== false){
$this->usedChunks[$index] = array();
$this->chunkTiles[$index] = array();
$this->chunkEntities[$index] = array();
foreach($this->level->getChunkNBT($X, $Z)->Entities as $nbt){
switch($nbt->id){
//TODO: spawn entities
}
}
foreach($this->level->getChunkNBT($X, $Z)->TileEntities as $nbt){
switch($nbt->id){
case Tile::CHEST:
new ChestTile($this, $nbt);
break;
case Tile::FURNACE:
new FurnaceTile($this, $nbt);
break;
case Tile::SIGN:
new SignTile($this, $nbt);
break;
}
}
}
return false;
}
public function unloadChunk($X, $Z, $force = false){
if(!isset($this->level)){
return false;
}
if($force !== true and $this->isSpawnChunk($X, $Z)){
return false;
}
unset($this->usedChunks[$index]);
unset($this->chunkEntities[$index]);
unset($this->chunkTiles[$index]);
Cache::remove("world:{$this->name}:$X:$Z");
return $this->level->unloadChunk($X, $Z, $this->server->saveEnabled);
}
public function isSpawnChunk($X, $Z){
$spawnX = $this->level->getData("spawnX") >> 4;
$spawnZ = $this->level->getData("spawnZ") >> 4;
return abs($X - $spawnX) <= 1 and abs($Z - $spawnZ) <= 1;
}
public function getOrderedChunk($X, $Z, $Yndex){
if(!isset($this->level)){
return false;
}
if(ADVANCED_CACHE == true and $Yndex === 0xff){
$identifier = "world:{$this->name}:".PMFLevel::getIndex($X, $Z);
if(($cache = Cache::get($identifier)) !== false){
return $cache;
}
}
$raw = array();
for($Y = 0; $Y < 8; ++$Y){
if(($Yndex & (1 << $Y)) !== 0){
$raw[$Y] = $this->level->getMiniChunk($X, $Z, $Y);
}
}
$ordered = "";
$flag = chr($Yndex);
for($j = 0; $j < 256; ++$j){
$ordered .= $flag;
foreach($raw as $mini){
$ordered .= substr($mini, $j << 5, 24); //16 + 8
}
}
if(ADVANCED_CACHE == true and $Yndex == 0xff){
Cache::add($identifier, $ordered, 60);
}
return $ordered;
}
public function getOrderedMiniChunk($X, $Z, $Y){
if(!isset($this->level)){
return false;
}
$raw = $this->level->getMiniChunk($X, $Z, $Y);
$ordered = "";
$flag = chr(1 << $Y);
for($j = 0; $j < 256; ++$j){
$ordered .= $flag . substr($raw, $j << 5, 24); //16 + 8
}
return $ordered;
}
public function getSpawn(){
if(!isset($this->level)){
return false;
}
return new Position($this->level->getData("spawnX"), $this->level->getData("spawnY"), $this->level->getData("spawnZ"), $this);
}
public function getSafeSpawn($spawn = false){
if($spawn === false){
$spawn = $this->getSpawn();
}
if($spawn instanceof Vector3){
$x = (int) round($spawn->x);
$y = (int) round($spawn->y);
$z = (int) round($spawn->z);
for(; $y > 0; --$y){
$v = new Vector3($x, $y, $z);
$b = $this->getBlock($v->getSide(0));
if($b === false){
return $spawn;
}elseif(!($b instanceof AirBlock)){
break;
}
}
for(; $y < 128; ++$y){
$v = new Vector3($x, $y, $z);
if($this->getBlock($v->getSide(1)) instanceof AirBlock){
if($this->getBlock($v) instanceof AirBlock){
return new Position($x, $y, $z, $this);
}
}else{
++$y;
}
}
return new Position($x, $y, $z, $this);
}
return false;
}
public function setSpawn(Vector3 $pos){
if(!isset($this->level)){
return false;
}
$this->level->setData("spawnX", $pos->x);
$this->level->setData("spawnY", $pos->y);
$this->level->setData("spawnZ", $pos->z);
}
public function getTime(){
return (int) ($this->time);
}
public function getName(){
return $this->name;//return $this->level->getData("name");
}
public function setTime($time){
$this->startTime = $this->time = (int) $time;
$this->startCheck = microtime(true);
$this->checkTime();
}
public function stopTime(){
$this->stopTime = true;
$this->startCheck = 0;
$this->checkTime();
}
public function startTime(){
$this->stopTime = false;
$this->startCheck = microtime(true);
$this->checkTime();
}
public function getSeed(){
if(!isset($this->level)){
return false;
}
return (int) $this->level->getData("seed");
}
public function setSeed($seed){
if(!isset($this->level)){
return false;
}
$this->level->setData("seed", (int) $seed);
}
public function scheduleBlockUpdate(Position $pos, $delay, $type = BLOCK_UPDATE_SCHEDULED){
if(!isset($this->level)){
return false;
}
return $this->server->api->block->scheduleBlockUpdate($pos, $delay, $type);
}
}