初始提交: UE5.3项目基础框架

Plugins/CesiumForUnreal/Source/ThirdParty/include/CesiumQuantizedMeshTerrain/LayerWriter.h

@@ -0,0 +1,83 @@
+#pragma once
+
+#include "CesiumQuantizedMeshTerrain/Library.h"
+
+#include <CesiumJsonWriter/ExtensionWriterContext.h>
+
+#include <span>
+
+// forward declarations
+namespace CesiumQuantizedMeshTerrain {
+struct Layer;
+}
+
+namespace CesiumQuantizedMeshTerrain {
+
+/**
+ * @brief The result of writing a layer.json with {@link LayerWriter::write}.
+ */
+struct CESIUMQUANTIZEDMESHTERRAIN_API LayerWriterResult {
+  /**
+   * @brief The final generated std::vector<std::byte> of the layer.json.
+   */
+  std::vector<std::byte> bytes;
+
+  /**
+   * @brief Errors, if any, that occurred during the write process.
+   */
+  std::vector<std::string> errors;
+
+  /**
+   * @brief Warnings, if any, that occurred during the write process.
+   */
+  std::vector<std::string> warnings;
+};
+
+/**
+ * @brief Options for how to write a layer.json.
+ */
+struct CESIUMQUANTIZEDMESHTERRAIN_API LayerWriterOptions {
+  /**
+   * @brief If the layer.json should be pretty printed.
+   */
+  bool prettyPrint = false;
+};
+
+/**
+ * @brief Writes layer.json.
+ */
+class CESIUMQUANTIZEDMESHTERRAIN_API LayerWriter {
+public:
+  /**
+   * @brief Constructs a new instance.
+   */
+  LayerWriter();
+
+  /**
+   * @brief Gets the context used to control how layer.json extensions are
+   * written.
+   */
+  CesiumJsonWriter::ExtensionWriterContext& getExtensions();
+
+  /**
+   * @brief Gets the context used to control how layer.json extensions are
+   * written.
+   */
+  const CesiumJsonWriter::ExtensionWriterContext& getExtensions() const;
+
+  /**
+   * @brief Serializes the provided `Layer` into a layer.json byte vector.
+   *
+   * @param layer The layer.
+   * @param options Options for how to write the layer.json.
+   * @return The result of writing the layer.json.
+   */
+  LayerWriterResult write(
+      const CesiumQuantizedMeshTerrain::Layer& layer,
+      const LayerWriterOptions& options = LayerWriterOptions()) const;
+
+private:
+  CesiumJsonWriter::ExtensionWriterContext _context;
+};
+
+} // namespace CesiumQuantizedMeshTerrain