初始提交: UE5.3项目基础框架

2025-10-14 11:14:54 +08:00
commit 721d9fd98e
5334 changed files with 316782 additions and 0 deletions
--- a/Plugins/CesiumForUnreal/Source/CesiumRuntime/Private/CesiumWebMapTileServiceRasterOverlay.cpp
+++ b/Plugins/CesiumForUnreal/Source/CesiumRuntime/Private/CesiumWebMapTileServiceRasterOverlay.cpp
@ -0,0 +1,112 @@
+// Copyright 2020-2024 CesiumGS, Inc. and Contributors
+
+#include "CesiumWebMapTileServiceRasterOverlay.h"
+
+#include "CesiumCustomVersion.h"
+#include "CesiumGeometry/QuadtreeTilingScheme.h"
+#include "CesiumGeospatial/GlobeRectangle.h"
+#include "CesiumGeospatial/Projection.h"
+#include "CesiumRasterOverlays/WebMapTileServiceRasterOverlay.h"
+
+#include "CesiumRuntime.h"
+
+void UCesiumWebMapTileServiceRasterOverlay::Serialize(FArchive& Ar) {
+  Super::Serialize(Ar);
+
+  Ar.UsingCustomVersion(FCesiumCustomVersion::GUID);
+
+  const int32 CesiumVersion = Ar.CustomVer(FCesiumCustomVersion::GUID);
+
+  if (CesiumVersion < FCesiumCustomVersion::WebMapTileServiceProjectionAsEnum) {
+    // In previous versions, the projection of the overlay was controlled by
+    // boolean, rather than being explicitly specified by an enum.
+    this->Projection =
+        this->UseWebMercatorProjection_DEPRECATED
+            ? ECesiumWebMapTileServiceRasterOverlayProjection::WebMercator
+            : ECesiumWebMapTileServiceRasterOverlayProjection::Geographic;
+  }
+}
+
+std::unique_ptr<CesiumRasterOverlays::RasterOverlay>
+UCesiumWebMapTileServiceRasterOverlay::CreateOverlay(
+    const CesiumRasterOverlays::RasterOverlayOptions& options) {
+  if (this->BaseUrl.IsEmpty()) {
+    // Don't create an overlay with an empty base URL.
+    return nullptr;
+  }
+
+  CesiumRasterOverlays::WebMapTileServiceRasterOverlayOptions wmtsOptions;
+  if (!Style.IsEmpty()) {
+    wmtsOptions.style = TCHAR_TO_UTF8(*this->Style);
+  }
+  if (!Layer.IsEmpty()) {
+    wmtsOptions.layer = TCHAR_TO_UTF8(*this->Layer);
+  }
+  if (!Format.IsEmpty()) {
+    wmtsOptions.format = TCHAR_TO_UTF8(*this->Format);
+  }
+  if (!TileMatrixSetID.IsEmpty()) {
+    wmtsOptions.tileMatrixSetID = TCHAR_TO_UTF8(*this->TileMatrixSetID);
+  }
+
+  if (bSpecifyZoomLevels && MaximumLevel > MinimumLevel) {
+    wmtsOptions.minimumLevel = MinimumLevel;
+    wmtsOptions.maximumLevel = MaximumLevel;
+  }
+
+  wmtsOptions.tileWidth = this->TileWidth;
+  wmtsOptions.tileHeight = this->TileHeight;
+
+  const CesiumGeospatial::Ellipsoid& ellipsoid = options.ellipsoid;
+
+  if (this->Projection ==
+      ECesiumWebMapTileServiceRasterOverlayProjection::Geographic) {
+    wmtsOptions.projection = CesiumGeospatial::GeographicProjection(ellipsoid);
+  } else {
+    wmtsOptions.projection = CesiumGeospatial::WebMercatorProjection(ellipsoid);
+  }
+
+  if (bSpecifyTilingScheme) {
+    CesiumGeospatial::GlobeRectangle globeRectangle =
+        CesiumGeospatial::GlobeRectangle::fromDegrees(
+            RectangleWest,
+            RectangleSouth,
+            RectangleEast,
+            RectangleNorth);
+    CesiumGeometry::Rectangle coverageRectangle =
+        CesiumGeospatial::projectRectangleSimple(
+            *wmtsOptions.projection,
+            globeRectangle);
+    wmtsOptions.coverageRectangle = coverageRectangle;
+    wmtsOptions.tilingScheme = CesiumGeometry::QuadtreeTilingScheme(
+        coverageRectangle,
+        RootTilesX,
+        RootTilesY);
+  }
+
+  if (bSpecifyTileMatrixSetLabels) {
+    if (!TileMatrixSetLabels.IsEmpty()) {
+      std::vector<std::string> labels;
+      for (const auto& label : this->TileMatrixSetLabels) {
+        labels.emplace_back(TCHAR_TO_UTF8(*label));
+      }
+      wmtsOptions.tileMatrixLabels = labels;
+    }
+  } else {
+    if (!TileMatrixSetLabelPrefix.IsEmpty()) {
+      std::vector<std::string> labels;
+      for (size_t level = 0; level <= 25; ++level) {
+        FString label(TileMatrixSetLabelPrefix);
+        label.AppendInt(level);
+        labels.emplace_back(TCHAR_TO_UTF8(*label));
+      }
+      wmtsOptions.tileMatrixLabels = labels;
+    }
+  }
+  return std::make_unique<CesiumRasterOverlays::WebMapTileServiceRasterOverlay>(
+      TCHAR_TO_UTF8(*this->MaterialLayerKey),
+      TCHAR_TO_UTF8(*this->BaseUrl),
+      std::vector<CesiumAsync::IAssetAccessor::THeader>(),
+      wmtsOptions,
+      options);
+}