初始提交: UE5.3项目基础框架

Plugins/CesiumForUnreal/Source/ThirdParty/include/CesiumGltf/MaterialPBRMetallicRoughness.h

@@ -0,0 +1,96 @@
+// This file was generated by generate-classes.
+// DO NOT EDIT THIS FILE!
+#pragma once
+
+#include <CesiumGltf/Library.h>
+#include <CesiumGltf/TextureInfo.h>
+#include <CesiumUtility/ExtensibleObject.h>
+
+#include <optional>
+#include <vector>
+
+namespace CesiumGltf {
+/**
+ * @brief A set of parameter values that are used to define the
+ * metallic-roughness material model from Physically-Based Rendering (PBR)
+ * methodology.
+ */
+struct CESIUMGLTF_API MaterialPBRMetallicRoughness final
+    : public CesiumUtility::ExtensibleObject {
+  /**
+   * @brief The original name of this type.
+   */
+  static constexpr const char* TypeName = "MaterialPBRMetallicRoughness";
+
+  /**
+   * @brief The factors for the base color of the material.
+   *
+   * This value defines linear multipliers for the sampled texels of the base
+   * color texture.
+   */
+  std::vector<double> baseColorFactor = {1, 1, 1, 1};
+
+  /**
+   * @brief The base color texture.
+   *
+   * The first three components (RGB) **MUST** be encoded with the sRGB transfer
+   * function. They specify the base color of the material. If the fourth
+   * component (A) is present, it represents the linear alpha coverage of the
+   * material. Otherwise, the alpha coverage is equal to `1.0`. The
+   * `material.alphaMode` property specifies how alpha is interpreted. The
+   * stored texels **MUST NOT** be premultiplied. When undefined, the texture
+   * **MUST** be sampled as having `1.0` in all components.
+   */
+  std::optional<CesiumGltf::TextureInfo> baseColorTexture;
+
+  /**
+   * @brief The factor for the metalness of the material.
+   *
+   * This value defines a linear multiplier for the sampled metalness values of
+   * the metallic-roughness texture.
+   */
+  double metallicFactor = 1;
+
+  /**
+   * @brief The factor for the roughness of the material.
+   *
+   * This value defines a linear multiplier for the sampled roughness values of
+   * the metallic-roughness texture.
+   */
+  double roughnessFactor = 1;
+
+  /**
+   * @brief The metallic-roughness texture.
+   *
+   * The metalness values are sampled from the B channel. The roughness values
+   * are sampled from the G channel. These values **MUST** be encoded with a
+   * linear transfer function. If other channels are present (R or A), they
+   * **MUST** be ignored for metallic-roughness calculations. When undefined,
+   * the texture **MUST** be sampled as having `1.0` in G and B components.
+   */
+  std::optional<CesiumGltf::TextureInfo> metallicRoughnessTexture;
+
+  /**
+   * @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(MaterialPBRMetallicRoughness));
+    accum += CesiumUtility::ExtensibleObject::getSizeBytes() -
+             int64_t(sizeof(CesiumUtility::ExtensibleObject));
+    accum += int64_t(sizeof(double) * this->baseColorFactor.capacity());
+    if (this->baseColorTexture) {
+      accum += this->baseColorTexture->getSizeBytes() -
+               int64_t(sizeof(CesiumGltf::TextureInfo));
+    }
+    if (this->metallicRoughnessTexture) {
+      accum += this->metallicRoughnessTexture->getSizeBytes() -
+               int64_t(sizeof(CesiumGltf::TextureInfo));
+    }
+    return accum;
+  }
+};
+} // namespace CesiumGltf