feat: add item quantity check before fusion

data-otservbr-global/lib/others/soulpit.lua

@@ -153,20 +153,28 @@ SoulPit = {
 		return name:match("^(.-) soul core")
 	end,
 	onFuseSoulCores = function(player, item, target)
-		local itemName = item:getName()
-		local targetItemName = target:getName()
+		local itemCount = player:getItemCount(item:getId())
+		local targetCount = player:getItemCount(target:getId())
 
-		if SoulPit.getSoulCoreMonster(itemName) and SoulPit.getSoulCoreMonster(targetItemName) then
-			local randomSoulCore = SoulPit.soulCores[math.random(#SoulPit.soulCores)]
-			player:addItem(randomSoulCore:getId(), 1)
-			player:getPosition():sendMagicEffect(CONST_ME_MAGIC_BLUE)
-			player:sendTextMessage(MESSAGE_EVENT_ADVANCE, string.format("You have received a %s soul core.", randomSoulCore:getName()))
-			item:remove(1)
-			target:remove(1)
-			return true
+		if item:getId() == target:getId() and itemCount <= 1 then
+			return false
 		end
 
-		return false
+		local itemSoulCore = SoulPit.getSoulCoreMonster(item:getName())
+		local targetSoulCore = SoulPit.getSoulCoreMonster(target:getName())
+
+		if not itemSoulCore or not targetSoulCore then
+			return false
+		end
+
+		local randomSoulCore = SoulPit.soulCores[math.random(#SoulPit.soulCores)]
+		player:addItem(randomSoulCore:getId(), 1)
+		player:getPosition():sendMagicEffect(CONST_ME_MAGIC_BLUE)
+		player:sendTextMessage(MESSAGE_EVENT_ADVANCE, string.format("You have received a %s soul core.", randomSoulCore:getName()))
+
+		item:remove(1)
+		target:remove(1)
+		return true
 	end,
 }