itemEvents.zs

CTEventManager.register<MCLivingEntityUseItemEvent>((event) => {

	val entity = event.entityLiving as MCLivingEntity;

	if (entity is MCPlayerEntity) {

		var itemStack = event.item as IItemStack;
		var duration = event.duration as int;

		if (itemStack.commandString.startsWith('<item:minecraft:potion') && duration == 0 && itemStack.hasTag && itemStack.hasEffect) {

			val activeEffectsOnPlaayer = entity.getActivePotionMap();

			if !(activeEffectsOnPlaayer.isEmpty) {
				for playerPotionEffect, playerEffectInstance in activeEffectsOnPlaayer {
					entity.removePotionEffect(playerPotionEffect);
				}
			}
		}
	}
});