From e4b3ef63b7693d7bd413205b2d4ae9cad6dbab5d Mon Sep 17 00:00:00 2001
From: SK83RJOSH <sk83rjosh83@yahoo.com>
Date: Sat, 14 Oct 2017 06:12:03 -0400
Subject: [PATCH] Added request to join functionality

---
 .../Assets/DiscordController.cs               | 11 +++++--
 examples/button-clicker/Assets/DiscordRpc.cs  | 29 +++++++++++++++++--
 2 files changed, 36 insertions(+), 4 deletions(-)

diff --git a/examples/button-clicker/Assets/DiscordController.cs b/examples/button-clicker/Assets/DiscordController.cs
index bde8ac3..80b1f7b 100644
--- a/examples/button-clicker/Assets/DiscordController.cs
+++ b/examples/button-clicker/Assets/DiscordController.cs
@@ -51,9 +51,15 @@ public class DiscordController : MonoBehaviour {
     {
         ++callbackCalls;
         Debug.Log(string.Format("Discord: spectate ({0})", secret));
-    }
+	}
 
-    void Start () {
+	public void RequestCallback(DiscordRpc.JoinRequest request)
+	{
+		++callbackCalls;
+		Debug.Log(string.Format("Discord: join request {0}: {1}", request.username, request.userId));
+	}
+
+	void Start () {
     }
 	
 	void Update () {
@@ -71,6 +77,7 @@ public class DiscordController : MonoBehaviour {
         handlers.errorCallback += ErrorCallback;
         handlers.joinCallback += JoinCallback;
         handlers.spectateCallback += SpectateCallback;
+		handlers.requestCallback += RequestCallback;
         DiscordRpc.Initialize(applicationId, ref handlers, true, optionalSteamId);
     }
 
diff --git a/examples/button-clicker/Assets/DiscordRpc.cs b/examples/button-clicker/Assets/DiscordRpc.cs
index 47d4da9..de34239 100644
--- a/examples/button-clicker/Assets/DiscordRpc.cs
+++ b/examples/button-clicker/Assets/DiscordRpc.cs
@@ -17,14 +17,18 @@ public class DiscordRpc
     [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
     public delegate void SpectateCallback(string secret);
 
-    public struct EventHandlers
+	[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+	public delegate void RequestCallback(JoinRequest request);
+
+	public struct EventHandlers
     {
         public ReadyCallback readyCallback;
         public DisconnectedCallback disconnectedCallback;
         public ErrorCallback errorCallback;
         public JoinCallback joinCallback;
         public SpectateCallback spectateCallback;
-    }
+		public RequestCallback requestCallback;
+	}
 
     [System.Serializable]
     public struct RichPresence
@@ -46,6 +50,24 @@ public class DiscordRpc
         public bool instance;
     }
 
+	[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
+	public struct JoinRequest
+	{
+		[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 24)]
+		public string userId;
+		[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 48)]
+		public string username;
+		[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)]
+		public string avatarUrl;
+	}
+
+	public enum Reply
+	{
+		No = 0,
+		Yes = 1,
+		Ignore = 2
+	}
+
     [DllImport("discord-rpc", EntryPoint = "Discord_Initialize", CallingConvention = CallingConvention.Cdecl)]
     public static extern void Initialize(string applicationId, ref EventHandlers handlers, bool autoRegister, string optionalSteamId);
 
@@ -57,5 +79,8 @@ 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_Respond", CallingConvention = CallingConvention.Cdecl)]
+	public static extern void Respond(string userId, Reply reply);
 }