nn_nfp: Avoid current app from showing up as "???" for others in Friend List + View friends' status (cemu-project#1157)

Author: primaviera

src/Cafe/IOSU/legacy/iosu_fpd.cpp

@@ -214,6 +214,12 @@ namespace iosu
 			friendData->friendExtraData.gameKey.ukn08 = frd->presence.gameKey.ukn;
 			NexPresenceToGameMode(&frd->presence, &friendData->friendExtraData.gameMode);
 
+			auto fixed_presence_msg = '\0' + frd->presence.msg; // avoid first character of comment from being cut off
+			friendData->friendExtraData.gameModeDescription.assignFromUTF8(fixed_presence_msg);
+			
+			auto fixed_comment = '\0' + frd->comment.commentString; // avoid first character of comment from being cut off
+			friendData->friendExtraData.comment.assignFromUTF8(fixed_comment);
+			
 			// set valid dates
 			friendData->uknDate.year = 2018;
 			friendData->uknDate.day = 1;
@@ -750,9 +756,18 @@ namespace iosu
 			{
 				if(numVecIn != 0 || numVecOut != 1)
 					return FPResult_InvalidIPCParam;
-				SelfPlayingGame selfPlayingGame{0};
-				cemuLog_log(LogType::Force, "GetMyPlayingGame is todo");
-				return WriteValueOutput<SelfPlayingGame>(vecOut, selfPlayingGame);
+				GameKey selfPlayingGame
+				{
+					CafeSystem::GetForegroundTitleId(),
+					CafeSystem::GetForegroundTitleVersion(),
+					{0,0,0,0,0,0}
+				};
+				if (GetTitleIdHigh(CafeSystem::GetForegroundTitleId()) != 0x00050000)
+				{
+					selfPlayingGame.titleId = 0;
+					selfPlayingGame.ukn08 = 0;
+				}
+				return WriteValueOutput<GameKey>(vecOut, selfPlayingGame);
 			}
 
 			nnResult CallHandler_GetFriendAccountId(FPDClient* fpdClient, IPCIoctlVector* vecIn, uint32 numVecIn, IPCIoctlVector* vecOut, uint32 numVecOut)
@@ -1410,8 +1425,16 @@ namespace iosu
 				act::getCountryIndex(currentSlot, &countryCode);
 				// init presence
 				g_fpd.myPresence.isOnline = 1;
-				g_fpd.myPresence.gameKey.titleId = CafeSystem::GetForegroundTitleId();
-				g_fpd.myPresence.gameKey.ukn = CafeSystem::GetForegroundTitleVersion();
+				if (GetTitleIdHigh(CafeSystem::GetForegroundTitleId()) == 0x00050000)
+				{
+					g_fpd.myPresence.gameKey.titleId = CafeSystem::GetForegroundTitleId();
+					g_fpd.myPresence.gameKey.ukn = CafeSystem::GetForegroundTitleVersion();
+				}
+				else
+				{
+					g_fpd.myPresence.gameKey.titleId = 0; // icon will not be ??? or invalid to others
+					g_fpd.myPresence.gameKey.ukn = 0;
+				}
 				// resolve potential domain to IP address
 				struct addrinfo hints = {0}, *addrs;
 				hints.ai_family = AF_INET;

src/Cafe/IOSU/legacy/iosu_fpd.h

@@ -94,7 +94,7 @@ namespace iosu
 					/* +0x1EC */ uint8 isOnline;
 					/* +0x1ED */ uint8 _padding1ED[3];
 					// some other sub struct?
-					/* +0x1F0 */ char comment[36]; // pops up every few seconds in friend list
+					/* +0x1F0 */ CafeWideString<0x12> comment; // pops up every few seconds in friend list
 					/* +0x214 */ uint32be _padding214;
 					/* +0x218 */ FPDDate approvalTime;
 					/* +0x220 */ FPDDate lastOnline;
@@ -263,4 +263,4 @@ namespace iosu
 
 		IOSUModule* GetModule();
 	}
-}
+}

src/Cemu/nex/nexFriends.cpp

@@ -1,6 +1,7 @@
 #include "prudp.h"
 #include "nex.h"
 #include "nexFriends.h"
+#include "Cafe/CafeSystem.h"
 
 static const int NOTIFICATION_SRV_FRIEND_OFFLINE = 0x0A; // the opposite event (friend online) is notified via _PRESENCE_CHANGE
 static const int NOTIFICATION_SRV_FRIEND_PRESENCE_CHANGE = 0x18;
@@ -912,6 +913,18 @@ void NexFriends::markFriendRequestsAsReceived(uint64* messageIdList, sint32 coun
 void NexFriends::updateMyPresence(nexPresenceV2& myPresence)
 {
 	this->myPresence = myPresence;
+
+	if (GetTitleIdHigh(CafeSystem::GetForegroundTitleId()) == 0x00050000)
+	{
+		myPresence.gameKey.titleId = CafeSystem::GetForegroundTitleId();
+		myPresence.gameKey.ukn = CafeSystem::GetForegroundTitleVersion();
+	}
+	else
+	{
+		myPresence.gameKey.titleId = 0; // icon will not be ??? or invalid to others
+		myPresence.gameKey.ukn = 0;
+	}
+
 	if (nexCon == nullptr || nexCon->getState() != nexService::STATE_CONNECTED)
 	{
 		// not connected

src/Cemu/nex/nexFriends.h

@@ -431,15 +431,15 @@ class nexFriend : public nexType
 	{
 		nnaInfo.readData(pb);
 		presence.readData(pb);
-		gameModeMessage.readData(pb);
+		comment.readData(pb);
 		friendsSinceTimestamp = pb->readU64();
 		lastOnlineTimestamp = pb->readU64();
 		ukn6 = pb->readU64();
 	}
 public:
 	nexNNAInfo		nnaInfo;
 	nexPresenceV2	presence;
-	nexComment		gameModeMessage;
+	nexComment		comment;
 	uint64			friendsSinceTimestamp;
 	uint64			lastOnlineTimestamp;
 	uint64			ukn6;