[Bugfix] Update players directions on joining (#8462)

Source/msg.h

@@ -703,6 +703,7 @@ struct TPktHdr {
 	uint8_t bstr;
 	uint8_t bmag;
 	uint8_t bdex;
+	uint8_t pdir;
 	uint16_t wCheck;
 	uint16_t wLen;
 };

Source/multi.cpp

@@ -180,6 +180,7 @@ void NetReceivePlayerData(TPkt *pkt)
 	pkt->hdr.bstr = myPlayer._pBaseStr;
 	pkt->hdr.bmag = myPlayer._pBaseMag;
 	pkt->hdr.bdex = myPlayer._pBaseDex;
+	pkt->hdr.pdir = static_cast<uint8_t>(myPlayer._pdir);
 }
 
 bool IsNetPlayerValid(const Player &player)
@@ -724,6 +725,16 @@ void ProcessGameMessagePackets()
 			player._pBaseStr = pkt->bstr;
 			player._pBaseMag = pkt->bmag;
 			player._pBaseDex = pkt->bdex;
+
+			const uint8_t rawDir = pkt->pdir;
+			if (rawDir <= static_cast<uint8_t>(Direction::SouthEast)) {
+				const Direction newDir = static_cast<Direction>(rawDir);
+				if (player._pdir != newDir && player._pmode == PM_STAND) {
+					player._pdir = newDir;
+					StartStand(player, newDir);
+				}
+			}
+
 			if (!cond && player.plractive && !player.hasNoLife()) {
 				if (player.isOnActiveLevel() && !player._pLvlChanging) {
 					if (player.position.tile.WalkingDistance(syncPosition) > 3 && PosOkPlayer(player, syncPosition)) {
@@ -949,13 +960,13 @@ void recv_plrinfo(Player &player, const TCmdPlrInfoHdr &header, bool recv)
 	}
 
 	if (!player.hasNoLife()) {
-		StartStand(player, Direction::South);
+		StartStand(player, player._pdir);
 		return;
 	}
 
 	player._pgfxnum &= ~0xFU;
 	player._pmode = PM_DEATH;
-	NewPlrAnim(player, player_graphic::Death, Direction::South);
+	NewPlrAnim(player, player_graphic::Death, player._pdir);
 	player.AnimInfo.currentFrame = player.AnimInfo.numberOfFrames - 2;
 	dFlags[player.position.tile.x][player.position.tile.y] |= DungeonFlag::DeadPlayer;
 }

Source/pack.cpp

@@ -221,6 +221,7 @@ void PackNetPlayer(PlayerNetPack &packed, const Player &player)
 	packed.plrlevel = player.plrlevel;
 	packed.px = player.position.tile.x;
 	packed.py = player.position.tile.y;
+	packed.pdir = static_cast<uint8_t>(player._pdir);
 	CopyUtf8(packed.pName, player._pName, sizeof(packed.pName));
 	packed.pClass = static_cast<uint8_t>(player._pClass);
 	packed.pBaseStr = player._pBaseStr;
@@ -489,9 +490,11 @@ bool UnPackNetPlayer(const PlayerNetPack &packed, Player &player)
 
 	ValidateField(packed._pNumInv, packed._pNumInv <= InventoryGridCells);
 
+	ValidateField(packed.pdir, packed.pdir <= static_cast<uint8_t>(Direction::SouthEast));
 	player.setCharacterLevel(packed.pLevel);
 	player.position.tile = position;
 	player.position.future = position;
+	player._pdir = static_cast<Direction>(packed.pdir);
 	player.plrlevel = packed.plrlevel;
 	player.plrIsOnSetLevel = packed.isOnSetLevel != 0;
 	player._pMaxHPBase = baseHpMax;

Source/pack.h

@@ -91,6 +91,7 @@ struct PlayerNetPack {
 	uint8_t plrlevel;
 	uint8_t px;
 	uint8_t py;
+	uint8_t pdir;
 	char pName[PlayerNameLength];
 	uint8_t pClass;
 	uint8_t pBaseStr;