初始提交: UE5.3项目基础框架

Plugins/CesiumForUnreal/Source/CesiumRuntime/Public/CesiumCartographicPolygon.h

@@ -0,0 +1,62 @@
+// Copyright 2020-2024 CesiumGS, Inc. and Contributors
+
+#pragma once
+
+#include "CesiumGeoreference.h"
+#include "CesiumGeospatial/CartographicPolygon.h"
+#include "CesiumGeospatial/GlobeRectangle.h"
+#include "CesiumGlobeAnchorComponent.h"
+#include "Components/SplineComponent.h"
+#include "CoreMinimal.h"
+#include "Engine/StaticMesh.h"
+#include "GameFramework/Actor.h"
+#include <vector>
+
+#include "CesiumCartographicPolygon.generated.h"
+
+/**
+ * A spline-based polygon actor used to rasterize 2D polygons on top of
+ * Cesium 3D Tileset actors.
+ */
+UCLASS(ClassGroup = (Cesium), meta = (BlueprintSpawnableComponent))
+class CESIUMRUNTIME_API ACesiumCartographicPolygon : public AActor {
+
+  GENERATED_BODY()
+
+public:
+  ACesiumCartographicPolygon();
+
+  /**
+   * The polygon.
+   */
+  UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "Cesium")
+  USplineComponent* Polygon;
+
+  /**
+   * The Globe Anchor Component that precisely ties this Polygon to the Globe.
+   */
+  UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "Cesium")
+  UCesiumGlobeAnchorComponent* GlobeAnchor;
+
+  virtual void OnConstruction(const FTransform& Transform) override;
+
+  /**
+   * Creates and returns a CartographicPolygon object
+   * created from the current spline selection.
+   *
+   * @param worldToTileset The transformation from Unreal world coordinates to
+   * the coordinates of the Cesium3DTileset Actor for which the cartographic
+   * polygon is being created.
+   */
+  CesiumGeospatial::CartographicPolygon
+  CreateCartographicPolygon(const FTransform& worldToTileset) const;
+
+  // AActor overrides
+  virtual void PostLoad() override;
+
+protected:
+  virtual void BeginPlay() override;
+
+private:
+  void MakeLinear();
+};