src/game/java/net/minecraft/world/entity/EntityAttachment.java

package net.minecraft.world.entity;

import java.util.List;
import net.minecraft.world.phys.Vec3;

public enum EntityAttachment {
    PASSENGER(EntityAttachment.Fallback.AT_HEIGHT),
    VEHICLE(EntityAttachment.Fallback.AT_FEET),
    NAME_TAG(EntityAttachment.Fallback.AT_HEIGHT),
    WARDEN_CHEST(EntityAttachment.Fallback.AT_CENTER);

    private final EntityAttachment.Fallback fallback;

    private EntityAttachment(final EntityAttachment.Fallback p_333642_) {
        this.fallback = p_333642_;
    }

    public List<Vec3> createFallbackPoints(float p_330294_, float p_328764_) {
        return this.fallback.create(p_330294_, p_328764_);
    }

    public interface Fallback {
        List<Vec3> ZERO = List.of(Vec3.ZERO);
        EntityAttachment.Fallback AT_FEET = (p_331269_, p_331409_) -> ZERO;
        EntityAttachment.Fallback AT_HEIGHT = (p_331649_, p_328299_) -> List.of(new Vec3(0.0, (double)p_328299_, 0.0));
        EntityAttachment.Fallback AT_CENTER = (p_331512_, p_335776_) -> List.of(new Vec3(0.0, (double)p_335776_ / 2.0, 0.0));

        List<Vec3> create(float p_333086_, float p_331694_);
    }
}