Cancel damage

I want to make all players invencible in a map.
I don't know why my code isn't working. Can anyone tell me how?

Why not just disable PvP in that world?

It's a gamemode. But...
How I can disable the PvP in that world by PHP? I'm not pretty sure how...

I'll go check from mine but why not just use a plugin like (PvPWorlds)?

I want 100% of the source of my plugin made by me.

here's what you might need

Spoiler

Code:

public function onPvP(EntityDamageEvent $eventPvP){
   
        if($eventPvP instanceof EntityDamageByEntityEvent){

            if($eventPvP->getEntity() instanceof Player && $eventPvP->getDamager() instanceof Player){
               
                $map = $eventPvP->getEntity()->getLevel()->getFolderName();
               
                if(in_array($map, $this->worlds)){
                   
                    $player = $eventPvP->getDamager();
                   
                    if($this->error == ""){
                       
                        if($this->oppvp == "true" && !$player->isOP() || $this->oppvp != "true"){
                       
                                $eventPvP->setCancelled();

if you want DisablePVP ?

PHP:

public function onDamage(EntityDamageEvent $los){
if($los instanceof EntityDamageByEntityEvent) {
$player = $los->getEntity();
$damger = $los->getDamager();
if($damger instanceof Player) {
if($this->getServer()->getLevelByName("FLAT")){
$los->setCancelled();
$damager->sendMessage("Disable PVP IN The World");
}
}
}
}


getLevelByName() returns a level, so it wouldn't work by itself, you gotta make it equal to something.

PHP:

public function onDamage(EntityDamageEvent $ede)
{
$target = $ede->getEntity();
$damager = $ede->getDamager();
if($damager instanceof Player && $target instanceof Player){
if($damager->getLevel()->getName()==="levelname"){
$e->setCancelled();
}
}
}

Actually if($this->getServer()->getLevelByName("FLAT")) will work, its because the level object returned will be treated as true, if the returned is null then it will be treated as false. Your code is comparing a level object with a string, which won't work at all and you have a typo at $damage instanceof Player

Oh yeah, sirry, I get confused with the api sometimes.

But that will just check if the level exists and not if the damager is in that world.

Oh yea, I didn't think about that haha