private bool AssertAntidumping(ShopItem shopItem, ShopItem[] shopItems)
{
int nextItemIdx = Array.IndexOf(shopItems, shopItem) + 1;
if (nextItemIdx < shopItems.Length)
{
ShopItem nextItem = shopItems[nextItemIdx];
float costDiff = nextItem.Cost - shopItem.Cost;
if ((shopItem.Cost <= 0.4f && costDiff >= 0.05f) ||
(shopItem.Cost <= 0.9f && costDiff >= 0.1f ) ||
(shopItem.Cost <= 5 && costDiff >= 0.5f ) ||
(shopItem.Cost <= 15 && costDiff >= 1f ) ||
(shopItem.Cost <= 30 && costDiff >= 2f ) ||
(shopItem.Cost <= 100 && costDiff >= 3f ) ||
(shopItem.Cost <= 200 && costDiff >= 4f ) ||
(shopItem.Cost <= 500 && costDiff >= 10f ) ||
(shopItem.Cost <= 999 && costDiff >= 20f) )
{
return false;
}
}
return true;
}
private void DoDumping(NetworkClient networkClient, GameClient client,
ShopItem myItem, bool itemInAuc)
{
bool needToSellItem = !itemInAuc;
//Need to join
if (itemInAuc && !myItem.IsSingle)
{
InventoryItem[] inventoryItem = client.InventoryItems.Where
(
ii => ii.Ident == myItem.Ident
).ToArray();
needToSellItem = inventoryItem.Length > 0;
}
//Need to dumping
ShopItem[] shopItems = _auctionItems[myItem.SubGroupID].Where
(
si => si.Ident == myItem.Ident
).ToArray();
needToSellItem |= shopItems.Length > 0;
if (needToSellItem)
{
//Calculate target cost
float itemCost = CalculateItemCost(client, myItem, shopItems);
if (itemCost > 0f)
{
//Prevent to sell bla-bla
if (!itemInAuc && !myItem.IsSingle &&
((itemCost <= 1f && myItem.Count <= 100 ) ||
(itemCost <= 20f && myItem.Count <= 50 ) ||
(itemCost <= 50f && myItem.Count <= 10 )))
{
return;
}
string itemID = myItem.ID;
string itemName = myItem.Parent.ToString();
int itemCount = myItem.Count;
//Get the item from auction
if (itemInAuc)
{
if (!GetOwnItem(networkClient, client, myItem))
{
return;
}
InventoryItem inventoryItem = client.InventoryItems.FirstOrDefault
(
ii => ii.ID == myItem.ID
);
if (inventoryItem == null)
{
return;
}
itemID = inventoryItem.ID;
itemCount = inventoryItem.Count;
}
//Don`t sell the item if it`s cost lower than 50
if (itemCount > 1 && itemCount * itemCost < 50)
{
return;
}
//Sell the item
SellItem(networkClient, client, itemID, itemName, itemCount,
itemCost, myItem.IsSingle);
}
}
}
private bool GetOwnItem(NetworkClient networkClient, GameClient client,
ShopItem shopItem)
{
string message = string.Format("Trying to get: '{0}'...", shopItem.Parent);
networkClient.OutLogMessage(message);
//Try to get the item
//Query params: 1: item ID
string getGroupsItemsList = Packet.BuildPacket(FromClient.SHOP,
Shop.ITEM_GET_OWN, shopItem.ID);
networkClient.SendData(getGroupsItemsList);
//Get a result
string[] packetTypes = new[] { FromServer.ITEM_ADD_ONE, FromServer.SHOP_ERROR };
Packet getResult = networkClient.InputQueue.PopAny(packetTypes);
//Check the result
if (getResult != null)
{
switch (getResult.Type)
{
//Getting is failed
case FromServer.SHOP_ERROR:
{
string errorCode = getResult["@code"];
string errorMessage = Errors.ShopError.GetErrorMessage(errorCode);
networkClient.ThrowError(errorMessage, false);
break;
}
//Successful
default:
{
//Add the item to the inventory or, if it`s bad, out log message
InventoryItem inventoryItem = Helper.ParseInventoryItem(getResult.Data);
if (inventoryItem != null)
{
//Add the item to inventory
client.InventoryItems.Add(inventoryItem);
//Join inventory items
GameStep_JoinInventory.DoJoin(networkClient, client);
//Out log message
networkClient.OutLogMessage("Successful");
//Done
return true;
}
string errorMessage = string.Format("GET OWN ITEM: BAD INVENTORY ITEM: {0}", getResult.Data);
networkClient.ThrowError(errorMessage);
break;
}
}
}
return false;
}
private float CalculateItemCost(GameClient client, ShopItem myItem,
ShopItem[] shopItems)
{
//Get basic item cost
float cost = myItem.FactoryCost > 0f
? myItem.FactoryCost * 1.5f
: 0f;
//Last shop item with a lower quality
ShopItem lqShopItem;
foreach (ShopItem shopItem in shopItems)
{
//Detect "antidumping"
if (!AssertAntidumping(shopItem, shopItems))
{
continue;
}
if (!myItem.IsSingle)
{
if (shopItem.IsOwnItem(client.Login))
{
if (myItem.ID == shopItem.ID)
{
return 0f;
}
continue;
}
//Calculate subs. value
float subsValue = shopItem.Cost <= 50f ? 0.01f : 1f;
//Calculate a count ratio
double countRatio = myItem.Count / shopItem.Count;
//Calculate a shop item cost
float shopItemCost = shopItem.Count * shopItem.Cost;
//My item is more expensive
if (myItem.Cost > shopItem.Cost &&
shopItemCost > 100 &&
countRatio < 10f)
{
return shopItem.Cost - subsValue;
}
//Equal cost
if (myItem.Cost == shopItem.Cost)
{
return countRatio < 1.3f
? shopItem.Cost - subsValue
: 0f;
}
//My item is chiper
if (myItem.Cost < shopItem.Cost)
{
cost = countRatio < 1.3f
? shopItem.Cost - subsValue
: shopItem.Cost;
return cost != myItem.Cost ? cost : 0f;
}
}
else
{
if (shopItem.IsOwnItem(client.Login))
{
return 0f;
}
if (shopItem.Quality < myItem.Quality)
{
continue;
}
lqShopItem = shopItem;
if (lqShopItem.Quality == myItem.Quality)
{
return lqShopItem.Cost - 1f;
}
Dictionary<float, List<ShopItem>> dictShopItems = new Dictionary<float, List<ShopItem>>();
foreach (ShopItem uniqueShopItem in shopItems)
{
List<ShopItem> list;
if (!dictShopItems.ContainsKey(uniqueShopItem.Quality))
{
list = new List<ShopItem>();
dictShopItems.Add(uniqueShopItem.Quality, list);
}
else
{
list = dictShopItems[uniqueShopItem.Quality];
}
list.Add(uniqueShopItem);
}
List<ShopItem> resultList = new List<ShopItem>();
foreach (List<ShopItem> list in dictShopItems.Values)
{
int itemsCnt = list.Count;
if (itemsCnt >= 3)
{
int truncNum = (int)Math.Ceiling(itemsCnt * 0.2f);
int truncCnt = Math.Max(itemsCnt - (truncNum * 2), 1);
resultList.AddRange(list.Skip(truncNum).Take(truncCnt));
}
else
{
resultList.AddRange(list);
}
}
if (resultList.Count < 5)
{
return 0f;
}
float sumCost = 0f, sumQuality = 0f;
foreach (ShopItem resultShopItem in resultList)
{
sumCost += resultShopItem.Cost;
sumQuality += resultShopItem.Quality;
}
double qualityUnitCost = sumQuality / sumCost;
float qualityDiff = lqShopItem.Quality - myItem.Quality;
float newCost = lqShopItem.Cost - ((float)qualityUnitCost * qualityDiff);
return newCost;
}
}
return cost;
}