[Unreal] Fix for Shipping Builds (#112)

* Changes to allow plugin to work in Shipping Builds

* Add files via upload

SourceTree is case-insensitive on Windows, fixin

* Remove duplicated directory

* Platform whitelist, mac support, compilation fix.

* Finalization steps

* Mac fix

* Tabs/Spaces consistency.

* Updated build.py
https://github.com/discordapp/discord-rpc/issues/89

* .gitignore (headers)

* Renamed folder to lowercase

* Removed duplicates

* Revert to lowercase

README.md

@@ -7,7 +7,7 @@ have callbacks for where a more complete game would do more things (joining, spe
 
 ## Documentation
 
-The most up to date documentation for Rich Presence can always be found in our [developer site](https://discordapp.com/developers/docs/topics/rich-presence)!
+The most up to date documentation for Rich Presence can always be found in our [developer site](https://discordapp.com/developers/docs/rich-presence/how-to)!
 
 ## Basic Usage
 
@@ -31,7 +31,7 @@ There's a [CMake](https://cmake.org/download/) file that should be able to gener
 ```
 There is a wrapper build script `build.py` that runs `cmake` with a few different options.
 
-Usually, I run `build.py` to get things started, then use the generated project files as I work on things.
+Usually, I run `build.py` to get things started, then use the generated project files as I work on things. It does depend on `click` library, so do a quick `pip install click` to make sure you have it if you want to run `build.py`.
 
 There are some CMake options you might care about:
 
@@ -75,4 +75,9 @@ Below is a table of unofficial, community-developed wrappers for and implementat
 
 | Name | Language |
 |------|----------|
-| Be the first! | |
+| [discord-rpc.jar](https://github.com/Vatuu/discord-rpc "Discord-RPC.jar") | Java |
+| [java-discord-rpc](https://github.com/MinnDevelopment/java-discord-rpc) | Java |
+| [Discord-IPC](https://github.com/jagrosh/DiscordIPC) | Java |
+| [Discord Rich Presence](https://npmjs.org/discord-rich-presence) | JavaScript |
+| [drpc4k](https://github.com/Bluexin/drpc4k) | [Kotlin](https://kotlinlang.org/) |
+| [SwordRPC](https://github.com/Azoy/SwordRPC) | [Swift](https://swift.org) |

build.py

@@ -87,9 +87,34 @@ def for_unity(ctx):
 
 
 @cli.command()
-def unreal():
+@click.pass_context
-    """ todo: build unreal project """
+def unreal(ctx):
-    pass
+    """ build libs and copy them into the unreal project """
+    ctx.invoke(
+        libs,
+        clean=False,
+        static=False,
+        shared=True,
+        skip_formatter=True,
+        just_release=True
+    )
+
+    click.echo('--- Copying libs and header into unreal example')
+
+    UNREAL_PROJECT_PATH = os.path.join(SCRIPT_PATH, 'examples', 'unrealstatus', 'Plugins', 'discordrpc')
+    BUILD_BASE_PATH = os.path.join(SCRIPT_PATH, 'builds', 'win64-dynamic', 'src', 'Release')
+
+    UNREAL_DLL_PATH = os.path.join(UNREAL_PROJECT_PATH, 'Source', 'ThirdParty', 'DiscordRpcLibrary', 'Win64')
+    mkdir_p(UNREAL_DLL_PATH)
+    shutil.copy(os.path.join(BUILD_BASE_PATH, 'discord-rpc.dll'), UNREAL_DLL_PATH)
+
+    UNREAL_INCLUDE_PATH = os.path.join(UNREAL_PROJECT_PATH, 'Source', 'ThirdParty', 'DiscordRpcLibrary', 'Include')
+    mkdir_p(UNREAL_INCLUDE_PATH)
+    shutil.copy(os.path.join(SCRIPT_PATH, 'include', 'discord-rpc.h'), UNREAL_INCLUDE_PATH)
+
+    UNREAL_LIB_PATH = os.path.join(UNREAL_PROJECT_PATH, 'Source', 'ThirdParty', 'DiscordRpcLibrary', 'Win64')
+    mkdir_p(UNREAL_LIB_PATH)
+    shutil.copy(os.path.join(BUILD_BASE_PATH, 'discord-rpc.lib'), UNREAL_LIB_PATH)
 
 
 def build_lib(build_name, generator, options, just_release):

documentation/hard-mode.md

@@ -66,7 +66,7 @@ First is the `ACTIVITY_JOIN` event:
   "data": {
     "secret": "025ed05c71f639de8bfaa0d679d7c94b2fdce12f"
   },
-  "evnt": "ACTIVITY_JOIN"
+  "evt": "ACTIVITY_JOIN"
 }
 ```
 
@@ -78,7 +78,7 @@ Second is the `ACTIVITY_SPECTATE` event:
   "data": {
     "secret": "e7eb30d2ee025ed05c71ea495f770b76454ee4e0"
   },
-  "evnt": "ACTIVITY_SPECTATE"
+  "evt": "ACTIVITY_SPECTATE"
 }
 ```
 
@@ -96,7 +96,7 @@ And third is the `ACTIVITY_JOIN_REQUEST` event:
     },
     "secret": "e459ca99273f59909dd16ed97865f3ad"
   },
-  "evnt": "ACTIVITY_JOIN_REQUEST"
+  "evt": "ACTIVITY_JOIN_REQUEST"
 }
 ```
 

examples/button-clicker/Assets/DiscordController.cs

@@ -16,8 +16,10 @@ public class DiscordController : MonoBehaviour
     public string optionalSteamId;
     public int callbackCalls;
     public int clickCounter;
+    public DiscordRpc.JoinRequest joinRequest;
     public UnityEngine.Events.UnityEvent onConnect;
     public UnityEngine.Events.UnityEvent onDisconnect;
+    public UnityEngine.Events.UnityEvent hasResponded;
     public DiscordJoinEvent onJoin;
     public DiscordJoinEvent onSpectate;
     public DiscordJoinRequestEvent onJoinRequest;
@@ -34,6 +36,20 @@ public class DiscordController : MonoBehaviour
         DiscordRpc.UpdatePresence(ref presence);
     }
 
+    public void RequestRespondYes()
+    {
+        Debug.Log("Discord: responding yes to Ask to Join request");
+        DiscordRpc.Respond(joinRequest.userId, DiscordRpc.Reply.Yes);
+        hasResponded.Invoke();
+    }
+
+    public void RequestRespondNo()
+    {
+        Debug.Log("Discord: responding no to Ask to Join request");
+        DiscordRpc.Respond(joinRequest.userId, DiscordRpc.Reply.No);
+        hasResponded.Invoke();
+    }
+
     public void ReadyCallback()
     {
         ++callbackCalls;
@@ -72,6 +88,7 @@ public class DiscordController : MonoBehaviour
     {
         ++callbackCalls;
         Debug.Log(string.Format("Discord: join request {0}#{1}: {2}", request.username, request.discriminator, request.userId));
+        joinRequest = request;
         onJoinRequest.Invoke(request);
     }
 

examples/button-clicker/Assets/DiscordRpc.cs

@@ -78,6 +78,9 @@ public class DiscordRpc
     [DllImport("discord-rpc", EntryPoint = "Discord_UpdatePresence", CallingConvention = CallingConvention.Cdecl)]
     public static extern void UpdatePresence(ref RichPresence presence);
 
+    [DllImport("discord-rpc", EntryPoint = "Discord_ClearPresence", CallingConvention = CallingConvention.Cdecl)]
+    public static extern void ClearPresence();
+
     [DllImport("discord-rpc", EntryPoint = "Discord_Respond", CallingConvention = CallingConvention.Cdecl)]
     public static extern void Respond(string userId, Reply reply);
 }

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+  m_RaycastTarget: 1
+  m_OnCullStateChanged:
+    m_PersistentCalls:
+      m_Calls: []
+    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
+      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
+  m_Sprite: {fileID: 10905, guid: 0000000000000000f000000000000000, type: 0}
+  m_Type: 1
+  m_PreserveAspect: 0
+  m_FillCenter: 1
+  m_FillMethod: 4
+  m_FillAmount: 1
+  m_FillClockwise: 1
+  m_FillOrigin: 0
+--- !u!222 &1858885005
+CanvasRenderer:
+  m_ObjectHideFlags: 0
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 0}
+  m_GameObject: {fileID: 1858885001}
 --- !u!1 &1929635628
 GameObject:
   m_ObjectHideFlags: 0
@@ -671,6 +1066,11 @@ MonoBehaviour:
   optionalSteamId: 
   callbackCalls: 0
   clickCounter: 0
+  joinRequest:
+    userId: 
+    username: 
+    discriminator: 
+    avatar: 
   onConnect:
     m_PersistentCalls:
       m_Calls:
@@ -703,6 +1103,44 @@ MonoBehaviour:
         m_CallState: 2
     m_TypeName: UnityEngine.Events.UnityEvent, UnityEngine, Version=0.0.0.0, Culture=neutral,
       PublicKeyToken=null
+  hasResponded:
+    m_PersistentCalls:
+      m_Calls:
+      - m_Target: {fileID: 1238162988}
+        m_MethodName: set_text
+        m_Mode: 5
+        m_Arguments:
+          m_ObjectArgument: {fileID: 0}
+          m_ObjectArgumentAssemblyTypeName: UnityEngine.Object, UnityEngine
+          m_IntArgument: 0
+          m_FloatArgument: 0
+          m_StringArgument: No requests yet
+          m_BoolArgument: 0
+        m_CallState: 2
+      - m_Target: {fileID: 806911718}
+        m_MethodName: set_interactable
+        m_Mode: 6
+        m_Arguments:
+          m_ObjectArgument: {fileID: 0}
+          m_ObjectArgumentAssemblyTypeName: UnityEngine.Object, UnityEngine
+          m_IntArgument: 0
+          m_FloatArgument: 0
+          m_StringArgument: 
+          m_BoolArgument: 0
+        m_CallState: 2
+      - m_Target: {fileID: 1858885003}
+        m_MethodName: set_interactable
+        m_Mode: 6
+        m_Arguments:
+          m_ObjectArgument: {fileID: 0}
+          m_ObjectArgumentAssemblyTypeName: UnityEngine.Object, UnityEngine
+          m_IntArgument: 0
+          m_FloatArgument: 0
+          m_StringArgument: 
+          m_BoolArgument: 0
+        m_CallState: 2
+    m_TypeName: UnityEngine.Events.UnityEvent, UnityEngine, Version=0.0.0.0, Culture=neutral,
+      PublicKeyToken=null
   onJoin:
     m_PersistentCalls:
       m_Calls: []
@@ -715,7 +1153,40 @@ MonoBehaviour:
       PublicKeyToken=null
   onJoinRequest:
     m_PersistentCalls:
-      m_Calls: []
+      m_Calls:
+      - m_Target: {fileID: 1238162988}
+        m_MethodName: set_text
+        m_Mode: 5
+        m_Arguments:
+          m_ObjectArgument: {fileID: 0}
+          m_ObjectArgumentAssemblyTypeName: UnityEngine.Object, UnityEngine
+          m_IntArgument: 0
+          m_FloatArgument: 0
+          m_StringArgument: Someone asked to join!
+          m_BoolArgument: 0
+        m_CallState: 2
+      - m_Target: {fileID: 806911718}
+        m_MethodName: set_interactable
+        m_Mode: 6
+        m_Arguments:
+          m_ObjectArgument: {fileID: 0}
+          m_ObjectArgumentAssemblyTypeName: UnityEngine.Object, UnityEngine
+          m_IntArgument: 0
+          m_FloatArgument: 0
+          m_StringArgument: 
+          m_BoolArgument: 1
+        m_CallState: 2
+      - m_Target: {fileID: 1858885003}
+        m_MethodName: set_interactable
+        m_Mode: 6
+        m_Arguments:
+          m_ObjectArgument: {fileID: 0}
+          m_ObjectArgumentAssemblyTypeName: UnityEngine.Object, UnityEngine
+          m_IntArgument: 0
+          m_FloatArgument: 0
+          m_StringArgument: 
+          m_BoolArgument: 1
+        m_CallState: 2
     m_TypeName: DiscordJoinRequestEvent, Assembly-CSharp, Version=0.0.0.0, Culture=neutral,
       PublicKeyToken=null
 --- !u!4 &1929635630
@@ -731,3 +1202,77 @@ Transform:
   m_Father: {fileID: 0}
   m_RootOrder: 3
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
+--- !u!1 &1958982061
+GameObject:
+  m_ObjectHideFlags: 0
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 0}
+  serializedVersion: 5
+  m_Component:
+  - component: {fileID: 1958982062}
+  - component: {fileID: 1958982064}
+  - component: {fileID: 1958982063}
+  m_Layer: 5
+  m_Name: Text
+  m_TagString: Untagged
+  m_Icon: {fileID: 0}
+  m_NavMeshLayer: 0
+  m_StaticEditorFlags: 0
+  m_IsActive: 1
+--- !u!224 &1958982062
+RectTransform:
+  m_ObjectHideFlags: 0
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 0}
+  m_GameObject: {fileID: 1958982061}
+  m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
+  m_LocalPosition: {x: 0, y: 0, z: 0}
+  m_LocalScale: {x: 1, y: 1, z: 1}
+  m_Children: []
+  m_Father: {fileID: 1858885002}
+  m_RootOrder: 0
+  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
+  m_AnchorMin: {x: 0, y: 0}
+  m_AnchorMax: {x: 1, y: 1}
+  m_AnchoredPosition: {x: 0, y: 0}
+  m_SizeDelta: {x: 0, y: 0}
+  m_Pivot: {x: 0.5, y: 0.5}
+--- !u!114 &1958982063
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 0}
+  m_GameObject: {fileID: 1958982061}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 708705254, guid: f5f67c52d1564df4a8936ccd202a3bd8, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  m_Material: {fileID: 0}
+  m_Color: {r: 0.19607843, g: 0.19607843, b: 0.19607843, a: 1}
+  m_RaycastTarget: 1
+  m_OnCullStateChanged:
+    m_PersistentCalls:
+      m_Calls: []
+    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
+      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
+  m_FontData:
+    m_Font: {fileID: 10102, guid: 0000000000000000e000000000000000, type: 0}
+    m_FontSize: 14
+    m_FontStyle: 0
+    m_BestFit: 0
+    m_MinSize: 10
+    m_MaxSize: 40
+    m_Alignment: 4
+    m_AlignByGeometry: 0
+    m_RichText: 1
+    m_HorizontalOverflow: 0
+    m_VerticalOverflow: 0
+    m_LineSpacing: 1
+  m_Text: No
+--- !u!222 &1958982064
+CanvasRenderer:
+  m_ObjectHideFlags: 0
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 0}
+  m_GameObject: {fileID: 1958982061}

examples/send-presence/send-presence.c

@@ -14,6 +14,7 @@
 static const char* APPLICATION_ID = "345229890980937739";
 static int FrustrationLevel = 0;
 static int64_t StartTime;
+static int SendPresence = 1;
 
 static int prompt(char* line, size_t size)
 {
@@ -32,27 +33,31 @@ static int prompt(char* line, size_t size)
 
 static void updateDiscordPresence()
 {
-    char buffer[256];
+    if (SendPresence) {
-    DiscordRichPresence discordPresence;
+        char buffer[256];
-    memset(&discordPresence, 0, sizeof(discordPresence));
+        DiscordRichPresence discordPresence;
-    discordPresence.state = "West of House";
+        memset(&discordPresence, 0, sizeof(discordPresence));
-    sprintf(buffer, "Frustration level: %d", FrustrationLevel);
+        discordPresence.state = "West of House";
-    discordPresence.details = buffer;
+        sprintf(buffer, "Frustration level: %d", FrustrationLevel);
-    discordPresence.startTimestamp = StartTime;
+        discordPresence.details = buffer;
-    discordPresence.endTimestamp = time(0) + 5 * 60;
+        discordPresence.startTimestamp = StartTime;
-    discordPresence.largeImageKey = "canary-large";
+        discordPresence.endTimestamp = time(0) + 5 * 60;
-    discordPresence.smallImageKey = "ptb-small";
+        discordPresence.largeImageKey = "canary-large";
-    discordPresence.partyId = "party1234";
+        discordPresence.smallImageKey = "ptb-small";
-    discordPresence.partySize = 1;
+        discordPresence.partyId = "party1234";
-    discordPresence.partyMax = 6;
+        discordPresence.partySize = 1;
-    discordPresence.matchSecret = "xyzzy";
+        discordPresence.partyMax = 6;
-    discordPresence.joinSecret = "join";
+        discordPresence.matchSecret = "xyzzy";
-    discordPresence.spectateSecret = "look";
+        discordPresence.joinSecret = "join";
-    discordPresence.instance = 0;
+        discordPresence.spectateSecret = "look";
-    Discord_UpdatePresence(&discordPresence);
+        discordPresence.instance = 0;
+        Discord_UpdatePresence(&discordPresence);
+    } else {
+        Discord_ClearPresence();
+    }
 }
 
-static void handleDiscordReady()
+static void handleDiscordReady(void)
 {
     printf("\nDiscord: ready\n");
 }
@@ -143,6 +148,18 @@ static void gameLoop()
                 continue;
             }
 
+            if (line[0] == 'c') {
+                if (SendPresence) {
+                    printf("Clearing presence information.\n");
+                    SendPresence = 0;
+                } else {
+                    printf("Restoring presence information.\n");
+                    SendPresence = 1;
+                }
+                updateDiscordPresence();
+                continue;
+            }
+
             if (line[0] == 'y') {
                 printf("Reinit Discord.\n");
                 discordInit();

examples/unrealstatus/.gitignore

@@ -73,3 +73,6 @@ Intermediate/
 
 # Cache files for the editor to use
 DerivedDataCache/
+
+# Library headers must be copied automatically by the build script (build.py unreal)
+Plugins/DiscordRpc/Source/ThirdParty/DiscordRpcLibrary/Include

examples/unrealstatus/Plugins/discordrpc/DiscordRpc.uplugin

@@ -15,9 +15,15 @@
 	"Installed": false,
 	"Modules": [
 		{
-			"Name": "discordrpc",
+			"Name": "DiscordRpc",
-			"Type": "Developer",
+			"Type": "Runtime",
-			"LoadingPhase": "Default"
+			"LoadingPhase": "PreDefault",
+			"WhitelistPlatforms" :
+			[
+				"Win64",
+				"Linux",
+				"Mac"
+			]
 		}
 	]
 }

examples/unrealstatus/Plugins/discordrpc/Source/DiscordRpc/DiscordRpc.Build.cs

@@ -0,0 +1,57 @@
+// Copyright 1998-2017 Epic Games, Inc. All Rights Reserved.
+
+using UnrealBuildTool;
+using System.IO;
+
+public class DiscordRpc : ModuleRules
+{
+#if WITH_FORWARDED_MODULE_RULES_CTOR
+    public DiscordRpc(ReadOnlyTargetRules Target) : base(Target)
+#else
+    public DiscordRpc(TargetInfo Target)
+#endif
+    {
+        Definitions.Add("DISCORD_DYNAMIC_LIB=1");
+
+        PublicIncludePaths.AddRange(
+            new string[] {
+                "DiscordRpc/Public"
+            }
+            );
+
+        PrivateIncludePaths.AddRange(
+            new string[] {
+                "DiscordRpc/Private"
+            }
+            );
+
+        PublicDependencyModuleNames.AddRange(
+            new string[]
+            {
+                "Core",
+                "DiscordRpcLibrary"
+            }
+            );
+
+        PrivateDependencyModuleNames.AddRange(
+            new string[]
+            {
+                "CoreUObject",
+                "Engine",
+                "Slate",
+                "SlateCore",
+                "Projects"
+            }
+            );
+
+        DynamicallyLoadedModuleNames.AddRange(
+            new string[]
+            {
+                // ... add any modules that your module loads dynamically here ...
+            }
+            );
+
+        string BaseDirectory = Path.GetFullPath(Path.Combine(ModuleDirectory, "..", "..", "Source", "ThirdParty", "DiscordRpcLibrary"));
+        PublicIncludePaths.Add(Path.Combine(BaseDirectory, "Include"));
+    }
+}

examples/unrealstatus/Plugins/discordrpc/Source/DiscordRpc/Private/DiscordRpc.cpp

@@ -0,0 +1,71 @@
+// Copyright 1998-2017 Epic Games, Inc. All Rights Reserved.
+
+#include "DiscordRpcPrivatePCH.h"
+#include "IPluginManager.h"
+#include "ModuleManager.h"
+
+#define LOCTEXT_NAMESPACE "FDiscordRpcModule"
+
+void FDiscordRpcModule::StartupModule()
+{
+#if !PLATFORM_LINUX
+#if defined(DISCORD_DYNAMIC_LIB)
+    // Get the base directory of this plugin
+    FString BaseDir = IPluginManager::Get().FindPlugin("DiscordRpc")->GetBaseDir();
+    const FString SDKDir = FPaths::Combine(*BaseDir, TEXT("Source"), TEXT("ThirdParty"), TEXT("DiscordRpcLibrary"));
+#if PLATFORM_WINDOWS
+    const FString LibName = TEXT("discord-rpc");
+    const FString LibDir = FPaths::Combine(*SDKDir, TEXT("Win64"));
+    if (!LoadDependency(LibDir, LibName, DiscordRpcLibraryHandle)) {
+        FMessageDialog::Open(EAppMsgType::Ok, LOCTEXT(LOCTEXT_NAMESPACE, "Failed to load DiscordRpc plugin. Plug-in will not be functional."));
+        FreeDependency(DiscordRpcLibraryHandle);
+    }
+#elif PLATFORM_MAC
+    const FString LibName = TEXT("libdiscord-rpc");
+    const FString LibDir = FPaths::Combine(*SDKDir, TEXT("Mac"));
+    if (!LoadDependency(LibDir, LibName, DiscordRpcLibraryHandle)) {
+        FMessageDialog::Open(EAppMsgType::Ok, LOCTEXT(LOCTEXT_NAMESPACE, "Failed to load DiscordRpc plugin. Plug-in will not be functional."));
+        FreeDependency(DiscordRpcLibraryHandle);
+    }
+#endif
+#endif
+#endif
+}
+
+void FDiscordRpcModule::ShutdownModule()
+{
+    // Free the dll handle
+#if !PLATFORM_LINUX
+#if defined(DISCORD_DYNAMIC_LIB)
+    FreeDependency(DiscordRpcLibraryHandle);
+#endif
+#endif
+}
+
+bool FDiscordRpcModule::LoadDependency(const FString& Dir, const FString& Name, void*& Handle)
+{
+    FString Lib = Name + TEXT(".") + FPlatformProcess::GetModuleExtension();
+    FString Path = Dir.IsEmpty() ? *Lib : FPaths::Combine(*Dir, *Lib);
+
+    Handle = FPlatformProcess::GetDllHandle(*Path);
+
+    if (Handle == nullptr)
+    {
+        return false;
+    }
+
+    return true;
+}
+
+void FDiscordRpcModule::FreeDependency(void*& Handle)
+{
+    if (Handle != nullptr)
+    {
+        FPlatformProcess::FreeDllHandle(Handle);
+        Handle = nullptr;
+    }
+}
+
+#undef LOCTEXT_NAMESPACE
+
+IMPLEMENT_MODULE(FDiscordRpcModule, DiscordRpc)

examples/unrealstatus/Plugins/discordrpc/Source/DiscordRpc/Private/DiscordRpcBlueprint.cpp

@@ -1,7 +1,5 @@
-
+#include "DiscordRpcPrivatePCH.h"
-
 #include "DiscordRpcBlueprint.h"
-
 #include "discord-rpc.h"
 
 DEFINE_LOG_CATEGORY(Discord)
@@ -68,8 +66,8 @@ static void JoinRequestHandler(const DiscordJoinRequest* request)
 }
 
 void UDiscordRpc::Initialize(const FString& applicationId,
-                             bool autoRegister,
+    bool autoRegister,
-                             const FString& optionalSteamId)
+    const FString& optionalSteamId)
 {
     self = this;
     IsConnected = false;
@@ -89,7 +87,7 @@ void UDiscordRpc::Initialize(const FString& applicationId,
     auto appId = StringCast<ANSICHAR>(*applicationId);
     auto steamId = StringCast<ANSICHAR>(*optionalSteamId);
     Discord_Initialize(
-      (const char*)appId.Get(), &handlers, autoRegister, (const char*)steamId.Get());
+        (const char*)appId.Get(), &handlers, autoRegister, (const char*)steamId.Get());
 }
 
 void UDiscordRpc::Shutdown()
@@ -145,3 +143,8 @@ void UDiscordRpc::UpdatePresence()
 
     Discord_UpdatePresence(&rp);
 }
+
+void UDiscordRpc::ClearPresence()
+{
+    Discord_ClearPresence();
+}

examples/unrealstatus/Plugins/discordrpc/Source/DiscordRpc/Private/DiscordRpcPrivatePCH.h

@@ -0,0 +1,2 @@
+#include "Core.h"
+#include "DiscordRpc.h"

examples/unrealstatus/Plugins/discordrpc/Source/DiscordRpc/Public/DiscordRpc.h

@@ -0,0 +1,20 @@
+// Copyright 1998-2017 Epic Games, Inc. All Rights Reserved.
+
+#pragma once
+
+#include "ModuleManager.h"
+
+class FDiscordRpcModule : public IModuleInterface {
+public:
+    /** IModuleInterface implementation */
+    virtual void StartupModule() override;
+    virtual void ShutdownModule() override;
+
+private:
+    /** Handle to the test dll we will load */
+    void* DiscordRpcLibraryHandle;
+
+    /** StartupModule is covered with defines, these functions are the place to put breakpoints */
+    static bool LoadDependency(const FString& Dir, const FString& Name, void*& Handle);
+    static void FreeDependency(void*& Handle);
+};

examples/unrealstatus/Plugins/discordrpc/Source/DiscordRpc/Public/DiscordRpcBlueprint.h

@@ -1,5 +1,3 @@
-
-
 #pragma once
 
 #include "CoreMinimal.h"
@@ -108,6 +106,11 @@ public:
               Category = "Discord")
     void UpdatePresence();
 
+    UFUNCTION(BlueprintCallable,
+              meta = (DisplayName = "Clear presence", Keywords = "Discord rpc"),
+              Category = "Discord")
+    void ClearPresence();
+
     UPROPERTY(BlueprintReadOnly,
               meta = (DisplayName = "Is Discord connected", Keywords = "Discord rpc"),
               Category = "Discord")

examples/unrealstatus/Plugins/discordrpc/Source/ThirdParty/DiscordRpcLibrary/DiscordRpcLibrary.Build.cs

@@ -0,0 +1,59 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+using System.IO;
+using UnrealBuildTool;
+
+public class DiscordRpcLibrary : ModuleRules
+{
+#if WITH_FORWARDED_MODULE_RULES_CTOR
+    public DiscordRpcLibrary(ReadOnlyTargetRules Target) : base(Target)
+#else
+    public DiscordRpcLibrary(TargetInfo Target)
+#endif
+    {
+        Type = ModuleType.External;
+        Definitions.Add("DISCORD_DYNAMIC_LIB=1");
+
+        string BaseDirectory = Path.GetFullPath(Path.Combine(ModuleDirectory, "..", "..", "ThirdParty", "DiscordRpcLibrary"));
+
+        if (Target.Platform == UnrealTargetPlatform.Win64)
+        {
+            string lib = Path.Combine(BaseDirectory, "Win64");
+
+            // Include headers
+            PublicIncludePaths.Add(Path.Combine(BaseDirectory, "Include"));
+
+            // Add the import library
+            PublicLibraryPaths.Add(lib);
+            PublicAdditionalLibraries.Add(Path.Combine(lib, "discord-rpc.lib"));
+
+            // Dynamic
+            RuntimeDependencies.Add(new RuntimeDependency(Path.Combine(lib, "discord-rpc.dll")));
+            PublicDelayLoadDLLs.Add("discord-rpc.dll");
+        }
+        else if (Target.Platform == UnrealTargetPlatform.Linux)
+        {
+            string lib = Path.Combine(BaseDirectory, "Linux", "x86_64-unknown-linux-gnu");
+
+            // Include headers
+            PublicIncludePaths.Add(Path.Combine(BaseDirectory, "Include"));
+
+            // Add the import library
+            PublicLibraryPaths.Add(lib);
+            PublicAdditionalLibraries.Add(Path.Combine(lib, "libdiscord-rpc.so"));
+            RuntimeDependencies.Add(new RuntimeDependency(Path.Combine(lib, "libdiscord-rpc.so")));
+        }
+        else if (Target.Platform == UnrealTargetPlatform.Mac)
+        {
+            string lib = Path.Combine(BaseDirectory, "Mac");
+
+            // Include headers
+            PublicIncludePaths.Add(Path.Combine(BaseDirectory, "Include"));
+
+            // Add the import library
+            PublicLibraryPaths.Add(lib);
+            PublicAdditionalLibraries.Add(Path.Combine(lib, "libdiscord-rpc.dylib"));
+            RuntimeDependencies.Add(new RuntimeDependency(Path.Combine(lib, "libdiscord-rpc.dylib")));
+        }
+    }
+}

examples/unrealstatus/Plugins/discordrpc/Source/ThirdParty/discordrpcLibrary/discordrpcLibrary.Build.cs

@@ -1,27 +0,0 @@
-// Fill out your copyright notice in the Description page of Project Settings.
-
-using System.IO;
-using UnrealBuildTool;
-
-public class discordrpcLibrary : ModuleRules
-{
-	public discordrpcLibrary(ReadOnlyTargetRules Target) : base(Target)
-	{
-		Type = ModuleType.External;
-
-		if (Target.Platform == UnrealTargetPlatform.Win64)
-		{
-			// Add the import library
-			PublicIncludePaths.Add(Path.Combine(ModuleDirectory, "Include"));
-			PublicLibraryPaths.Add(Path.Combine(ModuleDirectory, "x64", "Release"));
-			PublicAdditionalLibraries.Add("discord-rpc.lib");
-
-			// Delay-load the DLL, so we can load it from the right place first
-			PublicDelayLoadDLLs.Add("discord-rpc.dll");
-		}
-        else if (Target.Platform == UnrealTargetPlatform.Mac)
-        {
-            PublicDelayLoadDLLs.Add(Path.Combine(ModuleDirectory, "Mac", "Release", "libdiscord-rpc.dylib"));
-        }
-	}
-}

examples/unrealstatus/Plugins/discordrpc/Source/discordrpc/Private/discordrpc.cpp

@@ -1,50 +0,0 @@
-// Copyright 1998-2017 Epic Games, Inc. All Rights Reserved.
-
-#include "discordrpc.h"
-#include "Core.h"
-#include "IPluginManager.h"
-#include "ModuleManager.h"
-
-#define LOCTEXT_NAMESPACE "FdiscordrpcModule"
-
-void FdiscordrpcModule::StartupModule()
-{
-    // This code will execute after your module is loaded into memory; the exact timing is specified
-    // in the .uplugin file per-module
-
-    // Get the base directory of this plugin
-    FString BaseDir = IPluginManager::Get().FindPlugin("discordrpc")->GetBaseDir();
-
-    // Add on the relative location of the third party dll and load it
-    FString LibraryPath;
-#if PLATFORM_WINDOWS
-    LibraryPath = FPaths::Combine(
-      *BaseDir, TEXT("Binaries/ThirdParty/discordrpcLibrary/Win64/discord-rpc.dll"));
-#elif PLATFORM_MAC
-    LibraryPath = FPaths::Combine(
-      *BaseDir, TEXT("Source/ThirdParty/discordrpcLibrary/Mac/Release/libdiscord-rpc.dylib"));
-#endif // PLATFORM_WINDOWS
-
-    DiscordLibraryHandle =
-      !LibraryPath.IsEmpty() ? FPlatformProcess::GetDllHandle(*LibraryPath) : nullptr;
-
-    if (!DiscordLibraryHandle) {
-        FMessageDialog::Open(
-          EAppMsgType::Ok, LOCTEXT("ThirdPartyLibraryError", "Failed to load discord-rpc library"));
-    }
-}
-
-void FdiscordrpcModule::ShutdownModule()
-{
-    // This function may be called during shutdown to clean up your module.  For modules that
-    // support dynamic reloading,
-    // we call this function before unloading the module.
-
-    // Free the dll handle
-    FPlatformProcess::FreeDllHandle(DiscordLibraryHandle);
-    DiscordLibraryHandle = nullptr;
-}
-
-#undef LOCTEXT_NAMESPACE
-
-IMPLEMENT_MODULE(FdiscordrpcModule, discordrpc)

examples/unrealstatus/Plugins/discordrpc/Source/discordrpc/Public/discordrpc.h

@@ -1,16 +0,0 @@
-// Copyright 1998-2017 Epic Games, Inc. All Rights Reserved.
-
-#pragma once
-
-#include "ModuleManager.h"
-
-class FdiscordrpcModule : public IModuleInterface {
-public:
-    /** IModuleInterface implementation */
-    virtual void StartupModule() override;
-    virtual void ShutdownModule() override;
-
-private:
-    /** Handle to the test dll we will load */
-    void* DiscordLibraryHandle;
-};

examples/unrealstatus/Plugins/discordrpc/Source/discordrpc/discordrpc.Build.cs

@@ -1,65 +0,0 @@
-// Copyright 1998-2017 Epic Games, Inc. All Rights Reserved.
-
-using UnrealBuildTool;
-
-public class discordrpc : ModuleRules
-{
-	public discordrpc(ReadOnlyTargetRules Target) : base(Target)
-	{
-        Definitions.Add("DISCORD_DYNAMIC_LIB=1");
-        PCHUsage = ModuleRules.PCHUsageMode.UseExplicitOrSharedPCHs;
-
-		PublicIncludePaths.AddRange(
-			new string[] {
-				"discordrpc/Public"
-				// ... add public include paths required here ...
-			}
-			);
-				
-		
-		PrivateIncludePaths.AddRange(
-			new string[] {
-				"discordrpc/Private",
-                "../../../../../include"
-				// ... add other private include paths required here ...
-			}
-			);
-
-        PublicLibraryPaths.AddRange(
-            new string[] {
-                System.IO.Path.Combine(ModuleDirectory, "../../Binaries/ThirdParty/discordrpcLibrary/", Target.Platform.ToString()),
-			}
-            );
-
-
-        PublicDependencyModuleNames.AddRange(
-			new string[]
-			{
-                "CoreUObject",
-                "Engine",
-                "Slate",
-                "SlateCore",
-                "Core",
-				"discordrpcLibrary",
-				"Projects"
-				// ... add other public dependencies that you statically link with here ...
-			}
-			);
-			
-		
-		PrivateDependencyModuleNames.AddRange(
-			new string[]
-			{
-				// ... add private dependencies that you statically link with here ...	
-			}
-			);
-		
-		
-		DynamicallyLoadedModuleNames.AddRange(
-			new string[]
-			{
-				// ... add any modules that your module loads dynamically here ...
-			}
-			);
-	}
-}

include/discord-rpc.h

@@ -49,7 +49,7 @@ typedef struct DiscordJoinRequest {
 } DiscordJoinRequest;
 
 typedef struct DiscordEventHandlers {
-    void (*ready)();
+    void (*ready)(void);
     void (*disconnected)(int errorCode, const char* message);
     void (*errored)(int errorCode, const char* message);
     void (*joinGame)(const char* joinSecret);
@@ -76,6 +76,7 @@ DISCORD_EXPORT void Discord_UpdateConnection(void);
 #endif
 
 DISCORD_EXPORT void Discord_UpdatePresence(const DiscordRichPresence* presence);
+DISCORD_EXPORT void Discord_ClearPresence(void);
 
 DISCORD_EXPORT void Discord_Respond(const char* userid, /* DISCORD_REPLY_ */ int reply);
 

src/CMakeLists.txt

@@ -29,16 +29,18 @@ if(WIN32)
     set(BASE_RPC_SRC ${BASE_RPC_SRC} connection_win.cpp discord_register_win.cpp)
     add_library(discord-rpc ${BASE_RPC_SRC})
     if (MSVC)
-        set(CRT_FLAGS)
         if(USE_STATIC_CRT)
-            if (CMAKE_BUILD_TYPE STREQUAL "Debug")
+            foreach(CompilerFlag
-                set(CRT_FLAGS /MTd)
+                    CMAKE_CXX_FLAGS
-            else()
+                    CMAKE_CXX_FLAGS_DEBUG
-                set(CRT_FLAGS /MT)
+                    CMAKE_CXX_FLAGS_RELEASE
-            endif()
+                    CMAKE_C_FLAGS
+                    CMAKE_C_FLAGS_DEBUG
+                    CMAKE_C_FLAGS_RELEASE)
+                string(REPLACE "/MD" "/MT" ${CompilerFlag} "${${CompilerFlag}}")
+            endforeach()
         endif(USE_STATIC_CRT)
         target_compile_options(discord-rpc PRIVATE /EHsc
-            ${CRT_FLAGS}
             /Wall
             /wd4100 # unreferenced formal parameter
             /wd4514 # unreferenced inline

src/discord-rpc.cpp

@@ -304,7 +304,7 @@ extern "C" DISCORD_EXPORT void Discord_Initialize(const char* applicationId,
     IoThread.Start();
 }
 
-extern "C" DISCORD_EXPORT void Discord_Shutdown()
+extern "C" DISCORD_EXPORT void Discord_Shutdown(void)
 {
     if (!Connection) {
         return;
@@ -325,6 +325,11 @@ extern "C" DISCORD_EXPORT void Discord_UpdatePresence(const DiscordRichPresence*
     SignalIOActivity();
 }
 
+extern "C" DISCORD_EXPORT void Discord_ClearPresence(void)
+{
+    Discord_UpdatePresence(nullptr);
+}
+
 extern "C" DISCORD_EXPORT void Discord_Respond(const char* userId, /* DISCORD_REPLY_ */ int reply)
 {
     // if we are not connected, let's not batch up stale messages for later
@@ -340,7 +345,7 @@ extern "C" DISCORD_EXPORT void Discord_Respond(const char* userId, /* DISCORD_RE
     }
 }
 
-extern "C" DISCORD_EXPORT void Discord_RunCallbacks()
+extern "C" DISCORD_EXPORT void Discord_RunCallbacks(void)
 {
     // Note on some weirdness: internally we might connect, get other signals, disconnect any number
     // of times inbetween calls here. Externally, we want the sequence to seem sane, so any other

src/discord_register_osx.m

@@ -5,45 +5,28 @@
 
 #include "discord_register.h"
 
-static bool Mkdir(const char* path)
-{
-    int result = mkdir(path, 0755);
-    if (result == 0) {
-        return true;
-    }
-    if (errno == EEXIST) {
-        return true;
-    }
-    return false;
-}
-
 static void RegisterCommand(const char* applicationId, const char* command)
 {
     // There does not appear to be a way to register arbitrary commands on OSX, so instead we'll save the command
     // to a file in the Discord config path, and when it is needed, Discord can try to load the file there, open
     // the command therein (will pass to js's window.open, so requires a url-like thing)
 
-    const char* home = getenv("HOME");
+    // Note: will not work for sandboxed apps
+  	NSString *home = NSHomeDirectory();
     if (!home) {
         return;
     }
 
-    char path[2048];
+    NSString *path = [[[[[[home stringByAppendingPathComponent:@"Library"]
-    sprintf(path, "%s/Library/Application Support/discord", home);
+                                stringByAppendingPathComponent:@"Application Support"]
-    Mkdir(path);
+                                stringByAppendingPathComponent:@"discord"]
-    strcat(path, "/games");
+                                stringByAppendingPathComponent:@"games"]
-    Mkdir(path);
+                                stringByAppendingPathComponent:[NSString stringWithUTF8String:applicationId]]
-    strcat(path, "/");
+                                stringByAppendingPathExtension:@"json"];
-    strcat(path, applicationId);
+    [[NSFileManager defaultManager] createDirectoryAtPath:[path stringByDeletingLastPathComponent] withIntermediateDirectories:YES attributes:nil error:nil];
-    strcat(path, ".json");
 
-    FILE* f = fopen(path, "w");
+    NSString *jsonBuffer = [NSString stringWithFormat:@"{\"command\": \"%s\"}", command];
-    if (f) {
+    [jsonBuffer writeToFile:path atomically:NO encoding:NSUTF8StringEncoding error:nil];
-        char jsonBuffer[2048];
-        int len = snprintf(jsonBuffer, sizeof(jsonBuffer), "{\"command\": \"%s\"}", command);
-        fwrite(jsonBuffer, (size_t)len, 1, f);
-        fclose(f);
-    }
 }
 
 static void RegisterURL(const char* applicationId)
@@ -83,15 +66,15 @@ void Discord_Register(const char* applicationId, const char* command)
     }
     else {
         // raii lite
-        void* pool = [[NSAutoreleasePool alloc] init];
+        @autoreleasepool {
-        RegisterURL(applicationId);
+            RegisterURL(applicationId);
-        [(id)pool drain];
+        }
     }
 }
 
 void Discord_RegisterSteamGame(const char* applicationId, const char* steamId)
 {
     char command[256];
-    sprintf(command, "steam://rungameid/%s", steamId);
+    snprintf(command, 256, "steam://rungameid/%s", steamId);
     Discord_Register(applicationId, command);
 }

src/discord_register_win.cpp

@@ -1,17 +1,4 @@
-/*
- * MinGW defaults to WINNT 5.1 (aka XP), however some of functions used here
- * require WINNT >= 6.0 APIs, which are only visible when WINVER and
- * _WIN32_WINNT defines are set properly before including any system headers.
- * Such API is e.g. RegSetKeyValueW.
- */
-#ifdef __MINGW32__
-// 0x0600 == vista
-#define WINVER 0x0600
-#define _WIN32_WINNT 0x0600
-#endif // __MINGW32__
-
 #include "discord-rpc.h"
-#include <stdio.h>
 
 #define WIN32_LEAN_AND_MEAN
 #define NOMCX
@@ -19,7 +6,51 @@
 #define NOIME
 #include <windows.h>
 #include <psapi.h>
+#include <cwchar>
+#include <stdio.h>
+
+/**
+ * Updated fixes for MinGW and WinXP
+ * This block is written the way it does not involve changing the rest of the code
+ * Checked to be compiling
+ * 1) strsafe.h belongs to Windows SDK and cannot be added to MinGW
+ * #include guarded, functions redirected to <string.h> substitutes
+ * 2) RegSetKeyValueW and LSTATUS are not declared in <winreg.h>
+ * The entire function is rewritten
+ */
+#ifdef __MINGW32__
+/// strsafe.h fixes
+#define StringCbPrintfW snwprintf
+LPWSTR StringCbCopyW(LPWSTR a, size_t l, LPCWSTR b)
+{
+	a[l-1] = 0;
+	return wcsncpy(a, b, l - 1); // does not set the last byte to 0 on overflow, so it's set to 0 above
+}
+#else
 #include <strsafe.h>
+#endif // __MINGW32__
+
+/// winreg.h fixes
+#ifndef LSTATUS
+#define LSTATUS LONG
+#endif
+#ifdef RegSetKeyValueW
+#undefine RegSetKeyValueW
+#endif
+#define RegSetKeyValueW regset
+LSTATUS regset(HKEY hkey, LPCWSTR subkey, LPCWSTR name, DWORD type, const void *data, DWORD len)
+{
+	HKEY hsubkey = NULL;
+	LSTATUS ret;
+	if (subkey && subkey[0])  /* need to create the subkey */
+	{
+		if ((ret = RegCreateKeyW( hkey, subkey, &hsubkey )) != ERROR_SUCCESS) return ret;
+		hkey = hsubkey;
+	}
+	ret = RegSetValueExW( hkey, name, 0, type, (const BYTE*)data, len );
+	if (hsubkey) RegCloseKey( hsubkey );
+	return ret;
+}
 
 void Discord_RegisterW(const wchar_t* applicationId, const wchar_t* command)
 {

src/serialization.cpp

@@ -102,6 +102,7 @@ size_t JsonWriteRichPresenceObj(char* dest,
             WriteKey(writer, "pid");
             writer.Int(pid);
 
+            if (presence != nullptr)
             {
                 WriteObject activity(writer, "activity");
 

src/serialization.h

@@ -2,6 +2,7 @@
 
 #include <stdint.h>
 
+#ifndef __MINGW32__
 #pragma warning(push)
 
 #pragma warning(disable : 4061) // enum is not explicitly handled by a case label
@@ -9,12 +10,15 @@
 #pragma warning(disable : 4464) // relative include path contains
 #pragma warning(disable : 4668) // is not defined as a preprocessor macro
 #pragma warning(disable : 6313) // Incorrect operator
+#endif // __MINGW32__
 
 #include "rapidjson/document.h"
 #include "rapidjson/stringbuffer.h"
 #include "rapidjson/writer.h"
 
+#ifndef __MINGW32__
 #pragma warning(pop)
+#endif // __MINGW32__
 
 // if only there was a standard library function for this
 template <size_t Len>