// This file was generated by generate-classes.
// DO NOT EDIT THIS FILE!
#pragma once

#include <CesiumGltf/Library.h>
#include <CesiumUtility/ExtensibleObject.h>

#include <cstdint>
#include <optional>
#include <string>

namespace CesiumGltf {
/**
 * @brief Feature IDs stored in a GPU mesh instancing attribute
 */
struct CESIUMGLTF_API ExtensionExtInstanceFeaturesFeatureId final
    : public CesiumUtility::ExtensibleObject {
  /**
   * @brief The original name of this type.
   */
  static constexpr const char* TypeName =
      "ExtensionExtInstanceFeaturesFeatureId";

  /**
   * @brief The number of unique features in the attribute.
   */
  int64_t featureCount = int64_t();

  /**
   * @brief A value that indicates that no feature is associated with this
   * instance.
   */
  std::optional<int64_t> nullFeatureId;

  /**
   * @brief A label assigned to this feature ID set. Labels must be alphanumeric
   * identifiers matching the regular expression `^[a-zA-Z_][a-zA-Z0-9_]*$`.
   */
  std::optional<std::string> label;

  /**
   * @brief An integer value used to construct a string in the format
   * `_FEATURE_ID_<set index>` which is a reference to a key in
   * `EXT_mesh_gpu_instancing.attributes` dictionary (e.g. a value of `0`
   * corresponds to `_FEATURE_ID_0`).
   */
  std::optional<int64_t> attribute;

  /**
   * @brief The index of the property table containing per-feature property
   * values. Only applicable when using the `EXT_structural_metadata` extension.
   */
  std::optional<int64_t> propertyTable;

  /**
   * @brief Calculates the size in bytes of this object, including the contents
   * of all collections, pointers, and strings. This will NOT include the size
   * of any extensions attached to the object. Calling this method may be slow
   * as it requires traversing the object's entire structure.
   */
  int64_t getSizeBytes() const {
    int64_t accum = 0;
    accum += int64_t(sizeof(ExtensionExtInstanceFeaturesFeatureId));
    accum += CesiumUtility::ExtensibleObject::getSizeBytes() -
             int64_t(sizeof(CesiumUtility::ExtensibleObject));
    if (this->label) {
      accum += int64_t(this->label->capacity() * sizeof(char));
    }
    return accum;
  }
};
} // namespace CesiumGltf