[1.15.2] Glowing potion effect does not applies

[ArcaneDiver]

Hi, i would like to implement something like a sonar, in order to implement that i get the entities around the player and i apply to them the glowing effect, but i'm facing some problems.

1. Glowing effect does not applies
2. I cant figure out how let just 1 player see the glowing effect because is the server that has to apply the potion effects

 

Here is the code:

@SubscribeEvent
    public static void onSonarActivation(InputEvent.KeyInputEvent event) {
        if(event.getAction() == GLFW.GLFW_PRESS && event.getKey() == KEY_SONAR.getKey().getKeyCode()) {

            World world = Minecraft.getInstance().world;
            ClientPlayerEntity player = Minecraft.getInstance().player;

            if(
                    world != null && !world.isRemote
                    && player != null && player.getRidingEntity() != null && player.getRidingEntity() instanceof RidableDolphinEnitity
            ) {


                AxisAlignedBB box = new AxisAlignedBB(
                        player.getPosX() - 30,
                        player.getPosY() - 30,
                        player.getPosZ() - 30,
                        player.getPosX() + 30,
                        player.getPosX() + 30,
                        player.getPosX() + 30
                );
                List<LivingEntity> entities = new ArrayList<>();
                world.getEntitiesWithinAABBExcludingEntity(player, box).forEach(e -> {
                    if(e instanceof LivingEntity && !(e instanceof RidableDolphinEnitity))
                        entities.add((LivingEntity) e);
                });

                entities.forEach(e -> e.addPotionEffect(new EffectInstance(Effects.GLOWING, 100)));


            }
        }
    }

 

Edited May 8, 2020 by ArcaneDiver

[Budschie]

You don't need a potion effect for this. You can use livingEntity.setGlowing(true);

[ArcaneDiver]

Ok, but i need a potion like effect because i need that after a while it disappear. I think that the problem is that i haven't the server's world...

Edited May 8, 2020 by ArcaneDiver

[ArcaneDiver]

I have created the packet but the effect still doesn't applies, but i got an idea what if i use setGlowing(true) then i start a thread that sleep for 10 sec then it calls setGlowing(false). Is it a good way?

Edited May 9, 2020 by ArcaneDiver

[ArcaneDiver]

The main problem of the potion effect is that the effect can be seen by everyone instead a sonar like effect should be seen only by the player that has activate the effect.