Fixed non-unity compile errors and warnings.

Source/ImGui/Private/ImGuiContextProxy.cpp

@@ -39,13 +39,26 @@ namespace
 	}
 }
 
+FImGuiContextProxy::FImGuiContextPtr::~FImGuiContextPtr()
+{
+	if (Context)
+	{
+		// Setting this as a current context. is still required in the current framework version to properly shutdown
+		// and save data.
+		ImGui::SetCurrentContext(Context);
+
+		// Save context data and destroy.
+		ImGui::DestroyContext(Context);
+	}
+}
+
 FImGuiContextProxy::FImGuiContextProxy(const FString& InName, FSimpleMulticastDelegate* InSharedDrawEvent, ImFontAtlas* InFontAtlas)
 	: Name(InName)
 	, SharedDrawEvent(InSharedDrawEvent)
 	, IniFilename(TCHAR_TO_ANSI(*GetIniFile(InName)))
 {
 	// Create context.
-	Context = TUniquePtr<ImGuiContext>(ImGui::CreateContext(InFontAtlas));
+	Context = FImGuiContextPtr(ImGui::CreateContext(InFontAtlas));
 
 	// Set this context in ImGui for initialization (any allocations will be tracked in this context).
 	SetAsCurrent();
@@ -68,19 +81,6 @@ FImGuiContextProxy::FImGuiContextProxy(const FString& InName, FSimpleMulticastDe
 	BeginFrame();
 }
 
-FImGuiContextProxy::~FImGuiContextProxy()
-{
-	if (Context)
-	{
-		// Setting this as a current context is still required in the current framework version to properly shutdown
-		// and save data.
-		SetAsCurrent();
-
-		// Save context data and destroy.
-		ImGui::DestroyContext(Context.Release());
-	}
-}
-
 void FImGuiContextProxy::Draw()
 {
 	if (bIsFrameStarted && !bIsDrawCalled)

Source/ImGui/Private/ImGuiContextProxy.h

@@ -17,16 +17,37 @@ class FImGuiInputState;
 // broadcasts draw events to allow listeners draw their controls. After update it stores draw data.
 class FImGuiContextProxy
 {
+	class FImGuiContextPtr
+	{
+	public:
+
+		FImGuiContextPtr() = default;
+		FImGuiContextPtr(ImGuiContext* InContext) : Context(InContext) {}
+
+		FImGuiContextPtr(const FImGuiContextPtr&) = delete;
+		FImGuiContextPtr& operator=(const FImGuiContextPtr&) = delete;
+
+		FImGuiContextPtr(FImGuiContextPtr&& Other) : Context(Other.Context) { Other.Context = nullptr; }
+		FImGuiContextPtr& operator=(FImGuiContextPtr&& Other) { std::swap(Context, Other.Context); return *this; }
+
+		~FImGuiContextPtr();
+
+		ImGuiContext* Get() const { return Context; }
+
+	private:
+
+		ImGuiContext* Context = nullptr;
+	};
+
 public:
 
 	FImGuiContextProxy(const FString& Name, FSimpleMulticastDelegate* InSharedDrawEvent, ImFontAtlas* InFontAtlas);
-	~FImGuiContextProxy();
 
 	FImGuiContextProxy(const FImGuiContextProxy&) = delete;
 	FImGuiContextProxy& operator=(const FImGuiContextProxy&) = delete;
 
-	FImGuiContextProxy(FImGuiContextProxy&& Other) = default;
-	FImGuiContextProxy& operator=(FImGuiContextProxy&& Other) = default;
+	FImGuiContextProxy(FImGuiContextProxy&&) = default;
+	FImGuiContextProxy& operator=(FImGuiContextProxy&&) = default;
 
 	// Get the name of this context.
 	const FString& GetName() const { return Name; }
@@ -75,7 +96,7 @@ private:
 
 	void UpdateDrawData(ImDrawData* DrawData);
 
-	TUniquePtr<ImGuiContext> Context;
+	FImGuiContextPtr Context;
 
 	FVector2D DisplaySize = FVector2D::ZeroVector;
 

Source/ImGui/Private/Utilities/WorldContextIndex.h

@@ -51,7 +51,7 @@ namespace Utilities
 		return WorldContext ? GetWorldContextIndex(*WorldContext) : INVALID_CONTEXT_INDEX;
 	}
 
-	int32 GetWorldContextIndex(const UWorld& World)
+	FORCEINLINE int32 GetWorldContextIndex(const UWorld& World)
 	{
 		return (World.WorldType == EWorldType::Editor) ? EDITOR_CONTEXT_INDEX : GetWorldContextIndex(World.GetGameInstance());
 	}