Hey uh.. I think I'm a bit late to the topic.
The way we would wanna do this as Draco18s mentions, is to look for a reference in the game files. Now there isn't a packet-type trigger that I found, but I got the code that @NullDev was trying out to work
ServerPlayer serverplayer = (ServerPlayer)player;
serverplayer.awardStat(Stats.ITEM_USED.get(Items.TOTEM_OF_UNDYING), 1);
CriteriaTriggers.USED_TOTEM.trigger(serverplayer, Items.TOTEM_OF_UNDYING.getDefaultInstance());
You basically just have to set the ItemStack in the trigger method to the default ItemStack of a Totem Of Undying.
And then you can add the other effects if you like.
ServerPlayer serverplayer = (ServerPlayer)player;
serverplayer.awardStat(Stats.ITEM_USED.get(Items.TOTEM_OF_UNDYING), 1);
CriteriaTriggers.USED_TOTEM.trigger(serverplayer, Items.TOTEM_OF_UNDYING.getDefaultInstance());
player.setHealth(1.0F);
player.removeAllEffects();
player.addEffect(new MobEffectInstance(MobEffects.REGENERATION, 900, 1));
player.addEffect(new MobEffectInstance(MobEffects.ABSORPTION, 100, 1));
player.addEffect(new MobEffectInstance(MobEffects.FIRE_RESISTANCE, 800, 0));
player.level.broadcastEntityEvent(player, (byte)35);
EDIT: Also fun fact! You CANNOT cancel or change the LivingDeathEvent in any way, so if you are trying to replace the death event by the totem trigger then I would suggest you have a check in the LivingDamageEvent...
if(player.getHealth()-event.getAmount() <= 0){
event.setCanceled(true);
ServerPlayer serverplayer = (ServerPlayer)player;
serverplayer.awardStat(Stats.ITEM_USED.get(Items.TOTEM_OF_UNDYING), 1);
CriteriaTriggers.USED_TOTEM.trigger(serverplayer, Items.TOTEM_OF_UNDYING.getDefaultInstance());
player.setHealth(1.0F);
player.removeAllEffects();
player.addEffect(new MobEffectInstance(MobEffects.REGENERATION, 900, 1));
player.addEffect(new MobEffectInstance(MobEffects.ABSORPTION, 100, 1));
player.addEffect(new MobEffectInstance(MobEffects.FIRE_RESISTANCE, 800, 0));
player.level.broadcastEntityEvent(player, (byte)35);
}
..Like so
Hope this helps!
