初始提交: UE5.3项目基础框架

Plugins/CesiumForUnreal/Source/CesiumRuntime/Private/CesiumMetadataPrimitive.cpp

@@ -0,0 +1,102 @@
+// Copyright 2020-2024 CesiumGS, Inc. and Contributors
+
+#include "CesiumMetadataPrimitive.h"
+#include "CesiumGltf/Model.h"
+
+PRAGMA_DISABLE_DEPRECATION_WARNINGS
+
+FCesiumMetadataPrimitive::FCesiumMetadataPrimitive(
+    const FCesiumPrimitiveFeatures& PrimitiveFeatures,
+    const FCesiumPrimitiveMetadata& PrimitiveMetadata,
+    const FCesiumModelMetadata& ModelMetadata)
+    : _pPrimitiveFeatures(&PrimitiveFeatures),
+      _pPrimitiveMetadata(&PrimitiveMetadata),
+      _pModelMetadata(&ModelMetadata) {}
+
+const TArray<FCesiumFeatureIdAttribute>
+UCesiumMetadataPrimitiveBlueprintLibrary::GetFeatureIdAttributes(
+    UPARAM(ref) const FCesiumMetadataPrimitive& MetadataPrimitive) {
+  TArray<FCesiumFeatureIdAttribute> featureIDAttributes;
+  if (!MetadataPrimitive._pPrimitiveFeatures) {
+    return featureIDAttributes;
+  }
+
+  const TArray<FCesiumFeatureIdSet> featureIDSets =
+      UCesiumPrimitiveFeaturesBlueprintLibrary::GetFeatureIDSetsOfType(
+          *MetadataPrimitive._pPrimitiveFeatures,
+          ECesiumFeatureIdSetType::Attribute);
+
+  featureIDAttributes.Reserve(featureIDSets.Num());
+  for (const FCesiumFeatureIdSet& featureIDSet : featureIDSets) {
+    featureIDAttributes.Add(
+        UCesiumFeatureIdSetBlueprintLibrary::GetAsFeatureIDAttribute(
+            featureIDSet));
+  }
+
+  return featureIDAttributes;
+}
+
+const TArray<FCesiumFeatureIdTexture>
+UCesiumMetadataPrimitiveBlueprintLibrary::GetFeatureIdTextures(
+    UPARAM(ref) const FCesiumMetadataPrimitive& MetadataPrimitive) {
+  TArray<FCesiumFeatureIdTexture> featureIDTextures;
+  if (!MetadataPrimitive._pPrimitiveFeatures) {
+    return featureIDTextures;
+  }
+
+  const TArray<FCesiumFeatureIdSet> featureIDSets =
+      UCesiumPrimitiveFeaturesBlueprintLibrary::GetFeatureIDSetsOfType(
+          *MetadataPrimitive._pPrimitiveFeatures,
+          ECesiumFeatureIdSetType::Texture);
+
+  featureIDTextures.Reserve(featureIDSets.Num());
+  for (const FCesiumFeatureIdSet& featureIDSet : featureIDSets) {
+    featureIDTextures.Add(
+        UCesiumFeatureIdSetBlueprintLibrary::GetAsFeatureIDTexture(
+            featureIDSet));
+  }
+
+  return featureIDTextures;
+}
+
+const TArray<FString>
+UCesiumMetadataPrimitiveBlueprintLibrary::GetFeatureTextureNames(
+    UPARAM(ref) const FCesiumMetadataPrimitive& MetadataPrimitive) {
+  TArray<FString> propertyTextureNames;
+  if (!MetadataPrimitive._pPrimitiveMetadata ||
+      !MetadataPrimitive._pModelMetadata) {
+    return TArray<FString>();
+  }
+
+  const TArray<int64>& propertyTextureIndices =
+      UCesiumPrimitiveMetadataBlueprintLibrary::GetPropertyTextureIndices(
+          *MetadataPrimitive._pPrimitiveMetadata);
+
+  const TArray<FCesiumPropertyTexture> propertyTextures =
+      UCesiumModelMetadataBlueprintLibrary::GetPropertyTexturesAtIndices(
+          *MetadataPrimitive._pModelMetadata,
+          propertyTextureIndices);
+
+  propertyTextureNames.Reserve(propertyTextures.Num());
+  for (auto propertyTexture : propertyTextures) {
+    propertyTextureNames.Add(
+        UCesiumPropertyTextureBlueprintLibrary::GetPropertyTextureName(
+            propertyTexture));
+  }
+
+  return propertyTextureNames;
+}
+
+int64 UCesiumMetadataPrimitiveBlueprintLibrary::GetFirstVertexIDFromFaceID(
+    UPARAM(ref) const FCesiumMetadataPrimitive& MetadataPrimitive,
+    int64 FaceID) {
+  if (!MetadataPrimitive._pPrimitiveFeatures) {
+    return -1;
+  }
+
+  return UCesiumPrimitiveFeaturesBlueprintLibrary::GetFirstVertexFromFace(
+      *MetadataPrimitive._pPrimitiveFeatures,
+      FaceID);
+}
+
+PRAGMA_ENABLE_DEPRECATION_WARNINGS