Sync dropped items if another player triggers an action on the current level

Source/inv.cpp

@@ -1870,6 +1870,11 @@ int SyncPutItem(Player &player, Point position, int idx, uint16_t icreateinfo, i
 
 	assert(CanPut(position));
 
+	return SyncDropItem(position, idx, icreateinfo, iseed, id, dur, mdur, ch, mch, ivalue, ibuff, toHit, maxDam, minStr, minMag, minDex, ac);
+}
+
+int SyncDropItem(Point position, int idx, uint16_t icreateinfo, int iseed, int id, int dur, int mdur, int ch, int mch, int ivalue, uint32_t ibuff, int toHit, int maxDam, int minStr, int minMag, int minDex, int ac)
+{
 	int ii = AllocateItem();
 	auto &item = Items[ii];
 

Source/inv.h

@@ -175,6 +175,7 @@ bool CanPut(Point position);
 bool TryInvPut();
 int InvPutItem(Player &player, Point position);
 int SyncPutItem(Player &player, Point position, int idx, uint16_t icreateinfo, int iseed, int Id, int dur, int mdur, int ch, int mch, int ivalue, uint32_t ibuff, int toHit, int maxDam, int minStr, int minMag, int minDex, int ac);
+int SyncDropItem(Point position, int idx, uint16_t icreateinfo, int iseed, int id, int dur, int mdur, int ch, int mch, int ivalue, uint32_t ibuff, int toHit, int maxDam, int minStr, int minMag, int minDex, int ac);
 int8_t CheckInvHLight();
 void RemoveScroll(Player &player);
 bool UseScroll();

Source/msg.cpp

@@ -1614,10 +1614,17 @@ DWORD OnDropItem(const TCmd *pCmd, int pnum)
 {
 	const auto &message = *reinterpret_cast<const TCmdPItem *>(pCmd);
 
-	if (gbBufferMsgs == 1)
+	if (gbBufferMsgs == 1) {
 		SendPacket(pnum, &message, sizeof(message));
-	else if (IsPItemValid(message))
-		DeltaPutItem(message, { message.x, message.y }, Players[pnum].plrlevel);
+	} else if (IsPItemValid(message)) {
+		int playerLevel = Players[pnum].plrlevel;
+		Point position = { message.x, message.y };
+		if (currlevel == playerLevel && pnum != MyPlayerId) {
+			SyncDropItem(position, message.wIndx, message.wCI, message.dwSeed, message.bId, message.bDur, message.bMDur, message.bCh, message.bMCh, message.wValue, message.dwBuff, message.wToHit, message.wMaxDam, message.bMinStr, message.bMinMag, message.bMinDex, message.bAC);
+		}
+		PutItemRecord(message.dwSeed, message.wCI, message.wIndx);
+		DeltaPutItem(message, position, playerLevel);
+	}
 
 	return sizeof(message);
 }