From 4480bd0bbba64d4ba01d3d8f12ae5bf6b9052fcf Mon Sep 17 00:00:00 2001
From: obligaron <obligaron@live.com>
Date: Fri, 16 Dec 2022 22:32:27 +0100
Subject: [PATCH] In multiplayer randomly drop unique quest reward or magic
 item of same type

---
 Source/items.cpp   | 20 +++++++++++++++-----
 Source/items.h     |  2 +-
 Source/towners.cpp | 10 +++++-----
 3 files changed, 21 insertions(+), 11 deletions(-)

diff --git a/Source/items.cpp b/Source/items.cpp
index 9bf5d230d512..a2a1f888866a 100644
--- a/Source/items.cpp
+++ b/Source/items.cpp
@@ -3202,7 +3202,7 @@ void SetupItem(Item &item)
 	item._iIdentified = false;
 }
 
-Item *SpawnUnique(_unique_items uid, Point position, bool sendmsg /*= true*/)
+Item *SpawnUnique(_unique_items uid, Point position, std::optional<int> level /*= std::nullopt*/, bool sendmsg /*= true*/)
 {
 	if (ActiveItemCount >= MAXITEMS)
 		return nullptr;
@@ -3216,9 +3216,19 @@ Item *SpawnUnique(_unique_items uid, Point position, bool sendmsg /*= true*/)
 	while (AllItemsList[idx].iItemId != UniqueItems[uid].UIItemId)
 		idx++;
 
-	GetItemAttrs(item, static_cast<_item_indexes>(idx), curlv);
-	GetUniqueItem(*MyPlayer, item, uid);
-	SetupItem(item);
+	if (!gbIsMultiplayer || FlipCoin(4)) {
+		GetItemAttrs(item, static_cast<_item_indexes>(idx), curlv);
+		GetUniqueItem(*MyPlayer, item, uid);
+		SetupItem(item);
+	} else {
+		if (level)
+			curlv = *level;
+		const ItemData &uniqueItemData = AllItemsList[idx];
+		_item_indexes idx = GetItemIndexForDroppableItem(false, [&uniqueItemData](const ItemData &item) {
+			return item.itype == uniqueItemData.itype;
+		});
+		SetupAllItems(*MyPlayer, item, idx, AdvanceRndSeed(), curlv * 2, 15, true, false, false);
+	}
 
 	if (sendmsg)
 		NetSendCmdPItem(false, CMD_SPAWNITEM, item.position, item);
@@ -3235,7 +3245,7 @@ void SpawnItem(Monster &monster, Point position, bool sendmsg)
 	bool dropBrain = Quests[Q_MUSHROOM]._qactive == QUEST_ACTIVE && Quests[Q_MUSHROOM]._qvar1 == QS_MUSHGIVEN;
 
 	if (dropsSpecialTreasure && !gbIsMultiplayer) {
-		Item *uniqueItem = SpawnUnique(static_cast<_unique_items>(monster.data().treasure & T_MASK), position, false);
+		Item *uniqueItem = SpawnUnique(static_cast<_unique_items>(monster.data().treasure & T_MASK), position, std::nullopt, false);
 		if (uniqueItem != nullptr && sendmsg)
 			NetSendCmdPItem(false, CMD_DROPITEM, uniqueItem->position, *uniqueItem);
 		return;
diff --git a/Source/items.h b/Source/items.h
index 00396c083690..d93ec257767b 100644
--- a/Source/items.h
+++ b/Source/items.h
@@ -509,7 +509,7 @@ uint8_t PlaceItemInWorld(Item &&item, WorldTilePosition position);
 Point GetSuperItemLoc(Point position);
 void GetItemAttrs(Item &item, _item_indexes itemData, int lvl);
 void SetupItem(Item &item);
-Item *SpawnUnique(_unique_items uid, Point position, bool sendmsg = true);
+Item *SpawnUnique(_unique_items uid, Point position, std::optional<int> level = std::nullopt, bool sendmsg = true);
 void SpawnItem(Monster &monster, Point position, bool sendmsg);
 void CreateRndItem(Point position, bool onlygood, bool sendmsg, bool delta);
 void CreateRndUseful(Point position, bool sendmsg);
diff --git a/Source/towners.cpp b/Source/towners.cpp
index 414bbe2b3bac..59af29d97c50 100644
--- a/Source/towners.cpp
+++ b/Source/towners.cpp
@@ -344,7 +344,7 @@ void TalkToBarOwner(Player &player, Towner &barOwner)
 				bannerQuest._qactive = QUEST_DONE;
 				bannerQuest._qvar1 = 3;
 				NetSendCmdQuest(true, bannerQuest);
-				SpawnUnique(UITEM_HARCREST, barOwner.position + Direction::SouthWest);
+				SpawnUnique(UITEM_HARCREST, barOwner.position + Direction::SouthWest, bannerQuest._qlevel);
 				InitQTextMsg(TEXT_BANNER3);
 				return;
 			}
@@ -392,7 +392,7 @@ void TalkToBlackSmith(Player &player, Towner &blackSmith)
 			if (Quests[Q_ROCK]._qvar2 == 1 && RemoveInventoryItemById(player, IDI_ROCK)) {
 				Quests[Q_ROCK]._qactive = QUEST_DONE;
 				NetSendCmdQuest(true, Quests[Q_ROCK]);
-				SpawnUnique(UITEM_INFRARING, blackSmith.position + Direction::SouthWest);
+				SpawnUnique(UITEM_INFRARING, blackSmith.position + Direction::SouthWest, Quests[Q_ROCK]._qlevel);
 				InitQTextMsg(TEXT_INFRA7);
 				return;
 			}
@@ -413,7 +413,7 @@ void TalkToBlackSmith(Player &player, Towner &blackSmith)
 		if (Quests[Q_ANVIL]._qvar2 == 1 && RemoveInventoryItemById(player, IDI_ANVIL)) {
 			Quests[Q_ANVIL]._qactive = QUEST_DONE;
 			NetSendCmdQuest(true, Quests[Q_ANVIL]);
-			SpawnUnique(UITEM_GRISWOLD, blackSmith.position + Direction::SouthWest);
+			SpawnUnique(UITEM_GRISWOLD, blackSmith.position + Direction::SouthWest, Quests[Q_ANVIL]._qlevel);
 			InitQTextMsg(TEXT_ANVIL7);
 			return;
 		}
@@ -510,7 +510,7 @@ void TalkToHealer(Player &player, Towner &healer)
 		if (poisonWater._qactive == QUEST_DONE && poisonWater._qvar1 != 2) {
 			poisonWater._qvar1 = 2;
 			InitQTextMsg(TEXT_POISON5);
-			SpawnUnique(UITEM_TRING, healer.position + Direction::SouthWest);
+			SpawnUnique(UITEM_TRING, healer.position + Direction::SouthWest, poisonWater._qlevel);
 			NetSendCmdQuest(true, poisonWater);
 			return;
 		}
@@ -670,7 +670,7 @@ void TalkToCowFarmer(Player &player, Towner &cowFarmer)
 	auto &quest = Quests[Q_JERSEY];
 
 	if (RemoveInventoryItemById(player, IDI_BROWNSUIT)) {
-		SpawnUnique(UITEM_BOVINE, cowFarmer.position + Direction::SouthEast);
+		SpawnUnique(UITEM_BOVINE, cowFarmer.position + Direction::SouthEast, quest._qlevel);
 		InitQTextMsg(TEXT_JERSEY8);
 		quest._qactive = QUEST_DONE;
 		auto curFrame = cowFarmer._tAnimFrame;