2017-03-08 20:28:39 +00:00

326 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/
*
*
*/
namespace pocketmine\entity;
use pocketmine\event\entity\EntityDamageEvent;
use pocketmine\event\entity\EntityEffectAddEvent;
use pocketmine\event\entity\EntityEffectRemoveEvent;
use pocketmine\event\entity\EntityRegainHealthEvent;
use pocketmine\event\player\PlayerExhaustEvent;
use pocketmine\network\mcpe\protocol\MobEffectPacket;
use pocketmine\Player;
class Effect{
const SPEED = 1;
const SLOWNESS = 2;
const HASTE = 3;
const SWIFTNESS = 3;
const FATIGUE = 4;
const MINING_FATIGUE = 4;
const STRENGTH = 5;
// TODO: const HEALING = 6;
// TODO: const HARMING = 7;
const JUMP = 8;
const NAUSEA = 9;
const CONFUSION = 9;
const REGENERATION = 10;
const DAMAGE_RESISTANCE = 11;
const FIRE_RESISTANCE = 12;
const WATER_BREATHING = 13;
const INVISIBILITY = 14;
const BLINDNESS = 15;
const NIGHT_VISION = 16;
const HUNGER = 17;
const WEAKNESS = 18;
const POISON = 19;
const WITHER = 20;
const HEALTH_BOOST = 21;
const ABSORPTION = 22; // TODO implement
const SATURATION = 23;
/** @var Effect[] */
protected static $effects;
public static function init(){
self::$effects = new \SplFixedArray(256);
self::$effects[Effect::SPEED] = new Effect(Effect::SPEED, "%potion.moveSpeed", 124, 175, 198);
self::$effects[Effect::SLOWNESS] = new Effect(Effect::SLOWNESS, "%potion.moveSlowdown", 90, 108, 129, true);
self::$effects[Effect::SWIFTNESS] = new Effect(Effect::SWIFTNESS, "%potion.digSpeed", 217, 192, 67);
self::$effects[Effect::FATIGUE] = new Effect(Effect::FATIGUE, "%potion.digSlowDown", 74, 66, 23, true);
self::$effects[Effect::STRENGTH] = new Effect(Effect::STRENGTH, "%potion.damageBoost", 147, 36, 35);
//self::$effects[Effect::HEALING] = new InstantEffect(Effect::HEALING, "%potion.heal", 248, 36, 35);
//self::$effects[Effect::HARMING] = new InstantEffect(Effect::HARMING, "%potion.harm", 67, 10, 9, true);
self::$effects[Effect::JUMP] = new Effect(Effect::JUMP, "%potion.jump", 34, 255, 76);
self::$effects[Effect::NAUSEA] = new Effect(Effect::NAUSEA, "%potion.confusion", 85, 29, 74, true);
self::$effects[Effect::REGENERATION] = new Effect(Effect::REGENERATION, "%potion.regeneration", 205, 92, 171);
self::$effects[Effect::DAMAGE_RESISTANCE] = new Effect(Effect::DAMAGE_RESISTANCE, "%potion.resistance", 153, 69, 58);
self::$effects[Effect::FIRE_RESISTANCE] = new Effect(Effect::FIRE_RESISTANCE, "%potion.fireResistance", 228, 154, 58);
self::$effects[Effect::WATER_BREATHING] = new Effect(Effect::WATER_BREATHING, "%potion.waterBreathing", 46, 82, 153);
self::$effects[Effect::INVISIBILITY] = new Effect(Effect::INVISIBILITY, "%potion.invisibility", 127, 131, 146);
self::$effects[Effect::BLINDNESS] = new Effect(Effect::BLINDNESS, "%potion.blindness", 191, 192, 192);
self::$effects[Effect::NIGHT_VISION] = new Effect(Effect::NIGHT_VISION, "%potion.nightVision", 0, 0, 139);
self::$effects[Effect::HUNGER] = new Effect(Effect::HUNGER, "%potion.hunger", 46, 139, 87);
self::$effects[Effect::WEAKNESS] = new Effect(Effect::WEAKNESS, "%potion.weakness", 72, 77, 72, true);
self::$effects[Effect::POISON] = new Effect(Effect::POISON, "%potion.poison", 78, 147, 49, true);
self::$effects[Effect::WITHER] = new Effect(Effect::WITHER, "%potion.wither", 53, 42, 39, true);
self::$effects[Effect::HEALTH_BOOST] = new Effect(Effect::HEALTH_BOOST, "%potion.healthBoost", 248, 125, 35);
self::$effects[Effect::ABSORPTION] = new Effect(Effect::ABSORPTION, "%potion.absorption", 36, 107, 251);
self::$effects[Effect::SATURATION] = new Effect(Effect::SATURATION, "%potion.saturation", 255, 0, 255);
}
/**
* @param int $id
*
* @return $this
*/
public static function getEffect($id){
if(isset(self::$effects[$id])){
return clone self::$effects[(int) $id];
}
return null;
}
public static function getEffectByName($name){
if(defined(Effect::class . "::" . strtoupper($name))){
return self::getEffect(constant(Effect::class . "::" . strtoupper($name)));
}
return null;
}
/** @var int */
protected $id;
protected $name;
protected $duration;
protected $amplifier;
protected $color;
protected $show = true;
protected $ambient = false;
protected $bad;
public function __construct($id, $name, $r, $g, $b, $isBad = false){
$this->id = $id;
$this->name = $name;
$this->bad = (bool) $isBad;
$this->setColor($r, $g, $b);
}
public function getName(){
return $this->name;
}
public function getId(){
return $this->id;
}
public function setDuration($ticks){
$this->duration = $ticks;
return $this;
}
public function getDuration(){
return $this->duration;
}
public function isVisible(){
return $this->show;
}
public function setVisible($bool){
$this->show = (bool) $bool;
return $this;
}
/**
* @return int
*/
public function getAmplifier(){
return $this->amplifier;
}
/**
* @param int $amplifier
*
* @return $this
*/
public function setAmplifier(int $amplifier){
$this->amplifier = $amplifier & 0xff;
return $this;
}
public function isAmbient(){
return $this->ambient;
}
public function setAmbient($ambient = true){
$this->ambient = (bool) $ambient;
return $this;
}
public function isBad(){
return $this->bad;
}
public function canTick(){
switch($this->id){
case Effect::POISON:
if(($interval = (25 >> $this->amplifier)) > 0){
return ($this->duration % $interval) === 0;
}
return true;
case Effect::WITHER:
if(($interval = (50 >> $this->amplifier)) > 0){
return ($this->duration % $interval) === 0;
}
return true;
case Effect::REGENERATION:
if(($interval = (40 >> $this->amplifier)) > 0){
return ($this->duration % $interval) === 0;
}
return true;
case Effect::HUNGER:
if($this->amplifier < 0){ // prevents hacking with amplifier -1
return false;
}
if(($interval = 20) > 0){
return ($this->duration % $interval) === 0;
}
return true;
}
return false;
}
public function applyEffect(Entity $entity){
switch($this->id){
case Effect::POISON:
if($entity->getHealth() > 1){
$ev = new EntityDamageEvent($entity, EntityDamageEvent::CAUSE_MAGIC, 1);
$entity->attack($ev->getFinalDamage(), $ev);
}
break;
case Effect::WITHER:
$ev = new EntityDamageEvent($entity, EntityDamageEvent::CAUSE_MAGIC, 1);
$entity->attack($ev->getFinalDamage(), $ev);
break;
case Effect::REGENERATION:
if($entity->getHealth() < $entity->getMaxHealth()){
$ev = new EntityRegainHealthEvent($entity, 1, EntityRegainHealthEvent::CAUSE_MAGIC);
$entity->heal($ev->getAmount(), $ev);
}
break;
case Effect::HUNGER:
if($entity instanceof Human){
$entity->exhaust(0.5 * $this->amplifier, PlayerExhaustEvent::CAUSE_POTION);
}
}
}
public function getColor(){
return [$this->color >> 16, ($this->color >> 8) & 0xff, $this->color & 0xff];
}
public function setColor($r, $g, $b){
$this->color = (($r & 0xff) << 16) + (($g & 0xff) << 8) + ($b & 0xff);
}
public function add(Entity $entity, $modify = false, Effect $oldEffect = null){
$entity->getLevel()->getServer()->getPluginManager()->callEvent($ev = new EntityEffectAddEvent($entity, $this, $modify, $oldEffect));
if($ev->isCancelled()){
return;
}
if($entity instanceof Player){
$pk = new MobEffectPacket();
$pk->eid = $entity->getId();
$pk->effectId = $this->getId();
$pk->amplifier = $this->getAmplifier();
$pk->particles = $this->isVisible();
$pk->duration = $this->getDuration();
if($ev->willModify()){
$pk->eventId = MobEffectPacket::EVENT_MODIFY;
}else{
$pk->eventId = MobEffectPacket::EVENT_ADD;
}
$entity->dataPacket($pk);
}
if($this->id === Effect::INVISIBILITY){
$entity->setDataFlag(Entity::DATA_FLAGS, Entity::DATA_FLAG_INVISIBLE, true);
$entity->setNameTagVisible(false);
}elseif($this->id === Effect::SPEED){
$attr = $entity->getAttributeMap()->getAttribute(Attribute::MOVEMENT_SPEED);
if($ev->willModify() and $oldEffect !== null){
$speed = $attr->getValue() / (1 + 0.2 * $oldEffect->getAmplifier());
}else{
$speed = $attr->getValue();
}
$speed *= (1 + 0.2 * $this->amplifier);
$attr->setValue($speed);
}elseif($this->id === Effect::SLOWNESS){
$attr = $entity->getAttributeMap()->getAttribute(Attribute::MOVEMENT_SPEED);
if($ev->willModify() and $oldEffect !== null){
$speed = $attr->getValue() / (1 - 0.15 * $oldEffect->getAmplifier());
}else{
$speed = $attr->getValue();
}
$speed *= (1 - 0.15 * $this->amplifier);
$attr->setValue($speed);
}
}
public function remove(Entity $entity){
$entity->getLevel()->getServer()->getPluginManager()->callEvent($ev = new EntityEffectRemoveEvent($entity, $this));
if($ev->isCancelled()){
return;
}
if($entity instanceof Player){
$pk = new MobEffectPacket();
$pk->eid = $entity->getId();
$pk->eventId = MobEffectPacket::EVENT_REMOVE;
$pk->effectId = $this->getId();
$entity->dataPacket($pk);
}
if($this->id === Effect::INVISIBILITY){
$entity->setDataFlag(Entity::DATA_FLAGS, Entity::DATA_FLAG_INVISIBLE, false);
$entity->setNameTagVisible(true);
}elseif($this->id === Effect::SPEED){
$attr = $entity->getAttributeMap()->getAttribute(Attribute::MOVEMENT_SPEED);
$attr->setValue($attr->getValue() / (1 + 0.2 * $this->amplifier));
}elseif($this->id === Effect::SLOWNESS){
$attr = $entity->getAttributeMap()->getAttribute(Attribute::MOVEMENT_SPEED);
$attr->setValue($attr->getValue() / (1 - 0.15 * $this->amplifier));
}
}
}