61 lines
2.3 KiB
C
61 lines
2.3 KiB
C
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// This file was generated by generate-classes.
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// DO NOT EDIT THIS FILE!
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#pragma once
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#include <CesiumGltf/Library.h>
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#include <CesiumUtility/ExtensibleObject.h>
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#include <cstdint>
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#include <string>
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#include <unordered_map>
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namespace CesiumGltf {
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/**
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* @brief glTF extension defines instance attributes for a node with a mesh.
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*/
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struct CESIUMGLTF_API ExtensionExtMeshGpuInstancing final
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: public CesiumUtility::ExtensibleObject {
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/**
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* @brief The original name of this type.
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*/
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static constexpr const char* TypeName = "ExtensionExtMeshGpuInstancing";
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/** @brief The official name of the extension. This should be the same as its
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* key in the `extensions` object. */
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static constexpr const char* ExtensionName = "EXT_mesh_gpu_instancing";
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/**
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* @brief A dictionary object, where each key corresponds to instance
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* attribute and each value is the index of the accessor containing
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* attribute's data. Attributes TRANSLATION, ROTATION, SCALE define instance
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* transformation. For "TRANSLATION" the values are FLOAT_VEC3's specifying
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* translation along the x, y, and z axes. For "ROTATION" the values are
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* VEC4's specifying rotation as a quaternion in the order (x, y, z, w), where
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* w is the scalar, with component type `FLOAT` or normalized integer. For
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* "SCALE" the values are FLOAT_VEC3's specifying scaling factors along the x,
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* y, and z axes.
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*/
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std::unordered_map<std::string, int32_t> attributes;
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/**
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* @brief Calculates the size in bytes of this object, including the contents
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* of all collections, pointers, and strings. This will NOT include the size
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* of any extensions attached to the object. Calling this method may be slow
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* as it requires traversing the object's entire structure.
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*/
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int64_t getSizeBytes() const {
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int64_t accum = 0;
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accum += int64_t(sizeof(ExtensionExtMeshGpuInstancing));
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accum += CesiumUtility::ExtensibleObject::getSizeBytes() -
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int64_t(sizeof(CesiumUtility::ExtensibleObject));
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accum += int64_t(
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this->attributes.bucket_count() *
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(sizeof(std::string) + sizeof(int32_t)));
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for (const auto& [k, v] : this->attributes) {
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accum += int64_t(k.capacity() * sizeof(char) - sizeof(std::string));
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accum += int64_t(sizeof(int32_t));
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}
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return accum;
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}
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};
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} // namespace CesiumGltf
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