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[1.15.2] Remove goal from creeper


TheBigCraftGuy
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I am trying to remove the AvoidEntity goals for a creeper to make it not run away from ocelots. This is my code:

 

@Mod.EventBusSubscriber(modid = CreeperMod.MODID)
public class EntityChangeEvent {

    @SubscribeEvent
    public static void onSpawn(EntityJoinWorldEvent event) {
        if (event.getEntity() instanceof CreeperEntity) changeAI((CreeperEntity) event.getEntity(), event);
    }
	
	private static void changeAI(CreeperEntity entity) {
        if (entity.world != null && !entity.world.isRemote) {
            CreeperMod.LOGGER.info(entity.goalSelector.getRunningGoals().count());
            entity.goalSelector.getRunningGoals().forEach((action) -> {
                CreeperMod.LOGGER.info(action.getGoal());
                if (action.getGoal() instanceof AvoidEntityGoal) {
                    entity.goalSelector.removeGoal(action.getGoal());
                    CreeperMod.LOGGER.info("removed");
                }
            });
        }
    }

But it looks like the AvoidEntity goals are not running when the creeper is spawned. How would I remove those goals. Thanks

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3 hours ago, TheBigCraftGuy said:

changeAI((CreeperEntity) event.getEntity(), event);

This doesn't even compile.

3 hours ago, TheBigCraftGuy said:

But it looks like the AvoidEntity goals are not running when the creeper is spawned. How would I remove those goals. Thanks

The goal is only running when there is an OcelotEntity or a CatEntity nearby. You have to use Reflection to get the Goal out of the GoalSelector.

VANILLA MINECRAFT CLASSES ARE THE BEST RESOURCES WHEN MODDING

I will be posting 1.15.2 modding tutorials on this channel. If you want to be notified of it do the normal YouTube stuff like subscribing, ect.

Forge and vanilla BlockState generator.

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This is my code so far but it doesn't seem to work

private static void changeAI(CreeperEntity entity) {
        if (entity.world != null && !entity.world.isRemote) {
            Set<PrioritizedGoal> goals = ObfuscationReflectionHelper.getPrivateValue(GoalSelector.class, entity.goalSelector, "goals");
            ChangeMod.LOGGER.info(goals);
            for (PrioritizedGoal goal: goals) {
                if (goal.getGoal() instanceof AvoidEntityGoal) {
                    entity.goalSelector.removeGoal(goal);
                    ChangeMod.LOGGER.info(goal.getGoal().toString());
                }
            }
            goals = ObfuscationReflectionHelper.getPrivateValue(GoalSelector.class, entity.goalSelector, "goals");
            ChangeMod.LOGGER.info(goals);
        }
    }

But the creepers still avoid them and the goals are the same length

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3 hours ago, TheBigCraftGuy said:

entity.goalSelector.removeGoal(goal);

It should be goal.getGoal()

 

Also you cannot iterate and remove an entry. You will get a ConcurrentModificationException. Use an iterator.

Edited by Animefan8888

VANILLA MINECRAFT CLASSES ARE THE BEST RESOURCES WHEN MODDING

I will be posting 1.15.2 modding tutorials on this channel. If you want to be notified of it do the normal YouTube stuff like subscribing, ect.

Forge and vanilla BlockState generator.

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