初始提交: UE5.3项目基础框架

Plugins/CesiumForUnreal/Source/ThirdParty/include/CesiumRasterOverlays/RasterOverlayDetails.h

@@ -0,0 +1,82 @@
+#pragma once
+
+#include "Library.h"
+
+#include <CesiumGeometry/Rectangle.h>
+#include <CesiumGeospatial/BoundingRegion.h>
+#include <CesiumGeospatial/Projection.h>
+
+#include <vector>
+
+namespace CesiumRasterOverlays {
+/**
+ * @brief Holds details of the {@link Cesium3DTilesSelection::TileRenderContent} that are useful
+ * for raster overlays.
+ */
+struct CESIUMRASTEROVERLAYS_API RasterOverlayDetails {
+  /**
+   * @brief Construct an empty RasterOverlayDetails.
+   */
+  RasterOverlayDetails();
+
+  /**
+   * @brief Construct a RasterOverlayDetails with given projections, the
+   * rectangles generated by the projections, and the bounding region covered
+   * those rectangles.
+   *
+   * @param rasterOverlayProjections The raster overlay projections for which
+   * texture coordinates have been generated.
+   * @param rasterOverlayRectangles The rectangle covered by this tile in each
+   * of the {@link rasterOverlayProjections}.
+   * @param boundingRegion The precise bounding region of this tile.
+   */
+  RasterOverlayDetails(
+      std::vector<CesiumGeospatial::Projection>&& rasterOverlayProjections,
+      std::vector<CesiumGeometry::Rectangle>&& rasterOverlayRectangles,
+      const CesiumGeospatial::BoundingRegion& boundingRegion);
+
+  /**
+   * @brief Finds the rectangle corresponding to a given projection in
+   * {@link rasterOverlayProjections}.
+   *
+   * @param projection The projection.
+   * @return The tile's rectangle in the given projection, or nullptr if the
+   * projection is not in {@link rasterOverlayProjections}.
+   */
+  const CesiumGeometry::Rectangle* findRectangleForOverlayProjection(
+      const CesiumGeospatial::Projection& projection) const;
+
+  /**
+   * @brief Merge the other RasterOverlayDetails's projections, rectangles, and
+   * bounding region together.
+   *
+   * @param other The other instance of RasterOverlayDetails that will be merged
+   * with this.
+   * @param ellipsoid The {@link CesiumGeospatial::Ellipsoid}.
+   */
+  void merge(
+      const RasterOverlayDetails& other,
+      const CesiumGeospatial::Ellipsoid& ellipsoid CESIUM_DEFAULT_ELLIPSOID);
+
+  /**
+   * @brief The raster overlay projections for which texture coordinates have
+   * been generated.
+   *
+   * For the projection at index `n`, there is a set of texture coordinates
+   * with the attribute name `_CESIUMOVERLAY_n` that corresponds to that
+   * projection.
+   */
+  std::vector<CesiumGeospatial::Projection> rasterOverlayProjections;
+
+  /**
+   * @brief The rectangle covered by this tile in each of the
+   * {@link rasterOverlayProjections}.
+   */
+  std::vector<CesiumGeometry::Rectangle> rasterOverlayRectangles;
+
+  /**
+   * @brief The precise bounding region of this tile.
+   */
+  CesiumGeospatial::BoundingRegion boundingRegion;
+};
+} // namespace CesiumRasterOverlays