fix face-down MSG_SPSUMMONING (#2896)

gframe/duelclient.cpp

@@ -2912,12 +2912,14 @@ bool DuelClient::ClientAnalyze(unsigned char* msg, int len) {
 			else
 				soundManager.PlaySoundEffect(SOUND_SPECIAL_SUMMON);
 			myswprintf(event_string, dataManager.GetSysString(1605), dataManager.GetName(code));
-			mainGame->showcardcode = code;
-			mainGame->showcarddif = 1;
-			mainGame->showcard = 5;
-			mainGame->WaitFrameSignal(30);
-			mainGame->showcard = 0;
-			mainGame->WaitFrameSignal(11);
+			if(code) {
+				mainGame->showcardcode = code;
+				mainGame->showcarddif = 1;
+				mainGame->showcard = 5;
+				mainGame->WaitFrameSignal(30);
+				mainGame->showcard = 0;
+				mainGame->WaitFrameSignal(11);
+			}
 		}
 		return true;
 	}

gframe/single_duel.cpp

@@ -1036,9 +1036,16 @@ int SingleDuel::Analyze(unsigned char* msgbuffer, unsigned int len) {
 			break;
 		}
 		case MSG_SPSUMMONING: {
+			pbufw = pbuf;
+			int cc = pbuf[4];
+			/*int cl = pbuf[5];*/
+			/*int cs = pbuf[6];*/
+			int cp = pbuf[7];
 			pbuf += 8;
-			NetServer::SendBufferToPlayer(players[0], STOC_GAME_MSG, offset, pbuf - offset);
-			NetServer::ReSendToPlayer(players[1]);
+			NetServer::SendBufferToPlayer(players[cc], STOC_GAME_MSG, offset, pbuf - offset);
+			if (cp & POS_FACEDOWN)
+				BufferIO::Write<int32_t>(pbufw, 0);
+			NetServer::SendBufferToPlayer(players[1 - cc], STOC_GAME_MSG, offset, pbuf - offset);
 			for(auto oit = observers.begin(); oit != observers.end(); ++oit)
 				NetServer::ReSendToPlayer(*oit);
 			break;

gframe/tag_duel.cpp

@@ -1042,11 +1042,20 @@ int TagDuel::Analyze(unsigned char* msgbuffer, unsigned int len) {
 			break;
 		}
 		case MSG_SPSUMMONING: {
+			pbufw = pbuf;
+			int cc = pbuf[4];
+			/*int cl = pbuf[5];*/
+			/*int cs = pbuf[6];*/
+			int cp = pbuf[7];
 			pbuf += 8;
-			NetServer::SendBufferToPlayer(players[0], STOC_GAME_MSG, offset, pbuf - offset);
-			NetServer::ReSendToPlayer(players[1]);
-			NetServer::ReSendToPlayer(players[2]);
-			NetServer::ReSendToPlayer(players[3]);
+			auto pid = (cc == 0) ? 0 : 2;
+			NetServer::SendBufferToPlayer(players[pid], STOC_GAME_MSG, offset, pbuf - offset);
+			NetServer::ReSendToPlayer(players[pid + 1]);
+			if (cp & POS_FACEDOWN)
+				BufferIO::Write<int32_t>(pbufw, 0);
+			pid = 2 - pid;
+			NetServer::SendBufferToPlayer(players[pid], STOC_GAME_MSG, offset, pbuf - offset);
+			NetServer::ReSendToPlayer(players[pid + 1]);
 			for(auto oit = observers.begin(); oit != observers.end(); ++oit)
 				NetServer::ReSendToPlayer(*oit);
 			break;