From be6f532c1ef5366375604770b6547835413759da Mon Sep 17 00:00:00 2001
From: Joshua <mordentral@gmail.com>
Date: Mon, 16 Aug 2021 12:52:44 -0400
Subject: [PATCH] Added new steam sessions functions

IsOverlay Enabled
InitTextFiltering
FilterText
IsSteamInBigPictureMode
---
 .../Classes/AdvancedSteamFriendsLibrary.h     | 34 +++++++++
 .../Private/AdvancedSteamFriendsLibrary.cpp   | 75 +++++++++++++++++++
 2 files changed, 109 insertions(+)

diff --git a/AdvancedSteamSessions/Source/AdvancedSteamSessions/Classes/AdvancedSteamFriendsLibrary.h b/AdvancedSteamSessions/Source/AdvancedSteamSessions/Classes/AdvancedSteamFriendsLibrary.h
index 0a35350..aaa37cf 100644
--- a/AdvancedSteamSessions/Source/AdvancedSteamSessions/Classes/AdvancedSteamFriendsLibrary.h
+++ b/AdvancedSteamSessions/Source/AdvancedSteamSessions/Classes/AdvancedSteamFriendsLibrary.h
@@ -305,6 +305,19 @@ public:
 
 };
 
+UENUM(Blueprintable)
+enum class EBPTextFilteringContext : uint8
+{
+	/*Unknown context.*/
+	FContext_Unknown = 0,
+	/*Game content, only legally required filtering is performed.*/
+	FContext_GameContent = 1,
+	/*Char from another player.*/
+	FContext_Chat = 2,
+	/*Character or item name.*/
+	FContext_Name = 3
+};
+
 UCLASS()
 class UAdvancedSteamFriendsLibrary : public UBlueprintFunctionLibrary
 {
@@ -325,6 +338,10 @@ public:
 	UFUNCTION(BlueprintCallable, Category = "Online|AdvancedFriends|SteamAPI")
 		static bool OpenSteamUserOverlay(const FBPUniqueNetId UniqueNetId, ESteamUserOverlayType DialogType);
 	
+	// Returns if the steam overlay is currently active (this can return false during initial overlay hooking)
+	UFUNCTION(BlueprintPure, Category = "Online|AdvancedFriends|SteamAPI")
+		static bool IsOverlayEnabled();
+
 	// Gets the level of a friends steam account, STEAM ONLY, Returns -1 if the steam level is not known, might need RequestSteamFriendInfo called first.
 	UFUNCTION(BlueprintCallable, Category = "Online|AdvancedFriends|SteamAPI")
 	static int32 GetFriendSteamLevel(const FBPUniqueNetId UniqueNetId);
@@ -350,4 +367,21 @@ public:
 	// Get a full list of steam groups
 	UFUNCTION(BlueprintCallable, Category = "Online|SteamAPI|SteamGroups")
 		static void GetSteamGroups(TArray<FBPSteamGroupInfo> & SteamGroups);
+
+	// Initializes text filtering (pre-loading dictonaries)
+	// Returns if it succeeded, false if filtering is unavailable for the games language
+	UFUNCTION(BlueprintCallable, Category = "Online|SteamAPI|TextFiltering")
+		static bool InitTextFiltering();
+
+	// Attempts to filter a string with the given filtering context
+	// Returns true if the text has been filtered, false if it hasn't (no filtering required or operation failed)
+	// If false it will still output the original text
+	// Textsource is the steam id that is the source of the text (player name / chat)
+	// Requires that InitTextFiltering be called first!!
+	UFUNCTION(BlueprintCallable, Category = "Online|SteamAPI|TextFiltering")
+		static bool FilterText(FString TextToFilter, EBPTextFilteringContext Context, const FBPUniqueNetId TextSourceID, FString& FilteredText);
+
+	// Returns if steam is running in big picture mode
+	UFUNCTION(BlueprintPure, Category = "Online|SteamAPI")
+		static bool IsSteamInBigPictureMode();
 };	
diff --git a/AdvancedSteamSessions/Source/AdvancedSteamSessions/Private/AdvancedSteamFriendsLibrary.cpp b/AdvancedSteamSessions/Source/AdvancedSteamSessions/Private/AdvancedSteamFriendsLibrary.cpp
index 4c2dc00..1422d17 100644
--- a/AdvancedSteamSessions/Source/AdvancedSteamSessions/Private/AdvancedSteamFriendsLibrary.cpp
+++ b/AdvancedSteamSessions/Source/AdvancedSteamSessions/Private/AdvancedSteamFriendsLibrary.cpp
@@ -255,6 +255,19 @@ bool UAdvancedSteamFriendsLibrary::OpenSteamUserOverlay(const FBPUniqueNetId Uni
 	return false;
 }
 
+bool UAdvancedSteamFriendsLibrary::IsOverlayEnabled()
+{
+#if PLATFORM_WINDOWS || PLATFORM_MAC || PLATFORM_LINUX
+	if (SteamAPI_Init())
+	{
+		return SteamUtils()->IsOverlayEnabled();
+	}
+#endif
+
+	UE_LOG(AdvancedSteamFriendsLog, Warning, TEXT("OpenSteamUserOverlay Couldn't init steamAPI!"));
+	return false;
+}
+
 UTexture2D * UAdvancedSteamFriendsLibrary::GetSteamFriendAvatar(const FBPUniqueNetId UniqueNetId, EBlueprintAsyncResultSwitch &Result, SteamAvatarSize AvatarSize)
 {
 #if PLATFORM_WINDOWS || PLATFORM_MAC || PLATFORM_LINUX
@@ -350,4 +363,66 @@ UTexture2D * UAdvancedSteamFriendsLibrary::GetSteamFriendAvatar(const FBPUniqueN
 	UE_LOG(AdvancedSteamFriendsLog, Warning, TEXT("STEAM Couldn't be verified as initialized"));
 	Result = EBlueprintAsyncResultSwitch::OnFailure;
 	return nullptr;
+}
+
+bool UAdvancedSteamFriendsLibrary::InitTextFiltering()
+{
+#if PLATFORM_WINDOWS || PLATFORM_MAC || PLATFORM_LINUX
+
+	if (SteamAPI_Init())
+	{
+		return SteamUtils()->InitFilterText();
+	}
+
+#endif
+
+	return false;
+}
+
+bool UAdvancedSteamFriendsLibrary::FilterText(FString TextToFilter, EBPTextFilteringContext Context, const FBPUniqueNetId TextSourceID, FString& FilteredText)
+{
+#if PLATFORM_WINDOWS || PLATFORM_MAC || PLATFORM_LINUX
+
+	if (SteamAPI_Init())
+	{
+		uint32 BufferLen = TextToFilter.Len() + 10; // Docs say 1 byte excess min, going with 10
+		char* OutText = new char[BufferLen];
+		
+		uint64 id = 0;
+
+		if (TextSourceID.IsValid())
+		{
+			id = *((uint64*)TextSourceID.UniqueNetId->GetBytes());
+		}
+		
+		int FilterCount = SteamUtils()->FilterText((ETextFilteringContext)Context, id, TCHAR_TO_ANSI(*TextToFilter), OutText, BufferLen);
+
+		if (FilterCount > 0)
+		{
+			FilteredText = FString(UTF8_TO_TCHAR(OutText));
+			delete[] OutText;
+			return true;
+		}
+
+		delete[] OutText;
+	}
+
+#endif
+
+	FilteredText = TextToFilter;
+	return false;
+}
+
+bool UAdvancedSteamFriendsLibrary::IsSteamInBigPictureMode()
+{
+#if PLATFORM_WINDOWS || PLATFORM_MAC || PLATFORM_LINUX
+
+	if (SteamAPI_Init())
+	{
+		return SteamUtils()->IsSteamInBigPictureMode();
+	}
+
+#endif
+
+	return false;
 }
\ No newline at end of file