get Damage From Explosion
fun LivingEntity.getDamageFromExplosion(pos: Vec3, power: Float = 6.0f, explosionRange: Float = power * 2f, damageDistance: Float = explosionRange * explosionRange, exclude: Array<BlockPos>? = null, include: BlockPos? = null, maxBlastResistance: Float? = null, entityBoundingBox: AABB? = null): Float
See ExplosionDamageCalculator.getEntityDamageAmount.