private List<GEItem> abortingOffers; //holds the offers that will be aborted from abortingOffers
public GrandExchange()
{
offersToRemove = new List<GEItem>();
removingOffers = new List<GEItem>();
offersToAdd = new List<GEItem>();
addingOffers = new List<GEItem>();
offersToAbort = new List<GEItem>();
abortingOffers = new List<GEItem>();
/* Load grand exchange items */
Console.WriteLine("Checking SQLite Database Grand Exchange Items Counts");
try
{
string buyerCount = "0";
string sellerCount = "0";
string abortedBuyerCount = "0";
string abortedSellerCount = "0";
SQLiteDatabase db = new SQLiteDatabase(Constants.databaseName);
DataTable dt = db.ExecuteQuery("SELECT Count(*) FROM grandExchangeBuying");
if (dt.Rows.Count == 0)
buyerCount = "0";
else
buyerCount = dt.Rows[0].ItemArray[0].ToString();
dt = db.ExecuteQuery("SELECT Count(*) FROM grandExchangeSelling");
if (dt.Rows.Count == 0)
sellerCount = "0";
else
sellerCount = dt.Rows[0].ItemArray[0].ToString();
dt = db.ExecuteQuery("SELECT Count(*) FROM grandExchangeBuying WHERE aborted=1");
if (dt.Rows.Count == 0)
abortedBuyerCount = "0";
else
abortedBuyerCount = dt.Rows[0].ItemArray[0].ToString();
dt = db.ExecuteQuery("SELECT Count(*) FROM grandExchangeSelling WHERE aborted=1");
if (dt.Rows.Count == 0)
abortedSellerCount = "0";
else
abortedSellerCount = dt.Rows[0].ItemArray[0].ToString();
db.CloseDatabase();
Console.WriteLine("Total GrandExchange Buyers Count: " + buyerCount);
Console.WriteLine("Total GrandExchange Sellers Count: " + sellerCount);
Console.WriteLine("Total GrandExchange Aborted Buyers Count: " + abortedBuyerCount);
Console.WriteLine("Total GrandExchange Aborted Sellers Count: " + abortedSellerCount);
}
catch (Exception e)
{
misc.WriteError(e.Message);
}
Event startGEEvent = new Event(5000);
startGEEvent.setAction(() =>
{
processSales();
});
Server.registerEvent(startGEEvent);
/*
* Processes all the removing offers to SQL database on a new thread.
* This will improve the proformance of the server
*/
new Thread(removeAddUpdateOffersToGrandExchangeDatabase).Start();
}
protected void processSales()
{
OrderedDictionary soldBoughtItems = new OrderedDictionary();
/*
* First of all the old system was not possible to do with SQL
* Would of required to do a SQL Query for each itemId sold and bought by all players
* That would of ment over 10,000 items x 2 (buyers+sellers) so 20,000 queries to process.
*
* The new system I created to fix this.
* Works like this it everytime this runs matches up 1 GE Buying/Selling auction.
* Then loops it 100 times or until no more matches are possible.
*
* TODO: Match Buyer's of larger item quantity with Sellers with larger quanity instead of Sellers with
* any item quantity. (this requires editing the query below to a better suited query).
*/
BuyOffer buyer = null;
SellOffer seller = null;
int itemId;
int itemAmount;
int price;
int sold;
int bought;
int collectedItem;
int collectedGold;
int overpaid;
byte slot;
long playerHash;
SQLiteDatabase db = new SQLiteDatabase(Constants.databaseName);
for (int processNumSales = 0; processNumSales < 100; processNumSales++)
{
soldBoughtItems.Clear();
//Can't do more then 1 sale at a time, LIMIT 100 wont work since it will pick duplicate sellers.
DataTable dt = db.ExecuteQuery("SELECT S.itemId AS sell_itemId, S.amount AS sell_amount, S.price AS sell_price, S.sold AS sell_sold, S.collectedItem AS sell_collectedItem, S.collectedGold AS sell_collectedGold, S.overpaid AS sell_overpaid, S.slot AS sell_slot, S.playerHash AS sell_playerHash, B.itemId AS buy_itemId, B.amount AS buy_amount, B.price AS buy_price, B.bought AS buy_bought, B.collectedItem AS buy_collectedItem, B.collectedGold AS buy_collectedGold, B.overpaid AS buy_overpaid, B.slot AS buy_slot, B.playerHash AS buy_playerHash FROM grandExchangeBuying AS B, grandExchangeSelling AS S ON B.itemId = S.itemId AND B.aborted = 0 AND S.aborted = 0 AND B.price >= S.price AND S.sold < S.amount AND B.bought < B.amount ORDER BY B.price DESC LIMIT 1");
if (dt.Rows.Count == 0)
{
db.CloseDatabase();
return;
}
else
{
itemId = Convert.ToInt32(dt.Rows[0]["sell_itemId"]);
itemAmount = Convert.ToInt32(dt.Rows[0]["sell_amount"]);
price = Convert.ToInt32(dt.Rows[0]["sell_price"]);
sold = Convert.ToInt32(dt.Rows[0]["sell_sold"]);
collectedItem = Convert.ToInt32(dt.Rows[0]["sell_collectedItem"]);
collectedGold = Convert.ToInt32(dt.Rows[0]["sell_collectedGold"]);
overpaid = Convert.ToInt32(dt.Rows[0]["sell_overpaid"]);
slot = Convert.ToByte(dt.Rows[0]["sell_slot"]);
playerHash = (long)dt.Rows[0]["sell_playerHash"];
seller = new SellOffer(itemId, itemAmount, price, sold, collectedItem, collectedGold, overpaid, slot, playerHash);
itemId = Convert.ToInt32(dt.Rows[0]["buy_itemId"]);
itemAmount = Convert.ToInt32(dt.Rows[0]["buy_amount"]);
price = Convert.ToInt32(dt.Rows[0]["buy_price"]);
bought = Convert.ToInt32(dt.Rows[0]["buy_bought"]);
collectedItem = Convert.ToInt32(dt.Rows[0]["buy_collectedItem"]);
collectedGold = Convert.ToInt32(dt.Rows[0]["buy_collectedGold"]);
overpaid = Convert.ToInt32(dt.Rows[0]["buy_overpaid"]);
slot = Convert.ToByte(dt.Rows[0]["buy_slot"]);
playerHash = (long)dt.Rows[0]["buy_playerHash"];
buyer = new BuyOffer(itemId, itemAmount, price, bought, collectedItem, collectedGold, overpaid, slot, playerHash);
}
if (seller == null || buyer == null) continue;
int amountToBuy = buyer.getTotalAmount() - buyer.getAmountTraded();
int amountToSell = seller.getTotalAmount() - seller.getAmountTraded();
// This check will never happen. SQL Query will not allow it.. Just old code I left in.
if (amountToBuy <= 0 || amountToSell <= 0)
continue;
int amount = (amountToBuy > amountToSell) ? amountToSell : amountToBuy;
// Buys from Seller a random amount of a item.
amount = misc.random(1, amount);
// Buyer will pay minimum what the seller wants.
int amountBuyerOverpaid = (buyer.getPriceEach() - seller.getPriceEach()) * amount; // buyer is paying more than the seller wants, therefore MAY recieve this amount as a refund.
bool buyerKeepsRefund = misc.random(1) == 0; // if 0, the buyer gets a refund, if its 1...the seller gets more.
buyer.setAmountTraded(buyer.getAmountTraded() + amount);
seller.setAmountTraded(seller.getAmountTraded() + amount);
/**
* How much refunded gold Buyer gets in addition to his previous refunded gold.
* or
* How much of the Buyer's overpaid gold that they couldn't keep goes as extra profit to the Seller.
*/
if (buyerKeepsRefund && amountBuyerOverpaid > 0)
buyer.setAmountOverpaid(buyer.getAmountOverpaid() + amountBuyerOverpaid);
else if (!buyerKeepsRefund && amountBuyerOverpaid > 0)
seller.setAmountOverpaid(seller.getAmountOverpaid() + amountBuyerOverpaid);
// Shows amount of Item Buyer bought in Slot 1 minus how much he already took out.
if (buyer.getAmountItemsLeftToCollect() > 0)
buyer.setSlot1(new Item(buyer.getItem(), buyer.getAmountItemsLeftToCollect()));
//Shows amount of Gold Buyer has in Slot 2 from previous refunded money plus how much he maybe will be refunded this sale.
if ((buyer.getAmountCollectedGold() < buyer.getAmountOverpaid()) && (buyer.getAmountOverpaid() - buyer.getAmountCollectedGold()) > 0)
buyer.setSlot2(new Item(995, (buyer.getAmountOverpaid() - buyer.getAmountCollectedGold())));
//Shows amount of Gold Seller in Slot 2 has minus how much he already took out.
if (seller.getAmountGoldLeftToCollect() > 0)
seller.setSlot2(new Item(995, seller.getAmountGoldLeftToCollect()));
Player buyerP = Server.getPlayerForName(buyer.getPlayerName());
Player sellerP = Server.getPlayerForName(seller.getPlayerName());
//Update both Buyer and Seller's Slots in the database
try
{
db.ExecuteNonQuery("UPDATE grandExchangeBuying SET bought = " + buyer.getAmountTraded() + ", overpaid = " + buyer.getAmountOverpaid() + " WHERE slot = " + buyer.getSlot() + " AND playerHash = " + buyer.getPlayerHash());
db.ExecuteNonQuery("UPDATE grandExchangeSelling SET sold = " + seller.getAmountTraded() + ", overpaid = " + seller.getAmountOverpaid() + " WHERE slot = " + seller.getSlot() + " AND playerHash = " + seller.getPlayerHash());
}
catch (Exception e)
{
//Instantly skip this sale if any database errors occurred.
//If one of those queries works and other fails then you will have a dupe -_-.
//TODO: A fix would be to keep retrying both queries until both successful.
misc.WriteError("[GrandExchange SQL Error]: " + e.Message);
continue;
}
/*
* TODO: Fix When player is offline and logs in after item is bought. He won't see messages below..
* Add something to Packets.cs (sendLogin() method) to process this.
* Maybe a (boolean in playerSaves for GE update?)
*/
if (buyerP != null)
{
buyerP.getPackets().sendMessage("One or more of your Grand Exchange offers has been updated.");
buyerP.getPackets().updateGEProgress(buyer);
if (buyerP.getGESession() != null)
{
Item[] items = { buyer.getSlot1(), buyer.getSlot2() };
buyerP.getPackets().sendItems(-1, -1757, 523 + buyer.getSlot(), items);
}
}
/*
* TODO: Fix When player is offline and logs in after item is bought. He won't see messages below..
* Add something to Packets.cs (sendLogin() method) to process this.
* Maybe a (boolean in playerSaves for GE update?)
*/
if (sellerP != null)
{
sellerP.getPackets().sendMessage("One or more of your Grand Exchange offers has been updated.");
sellerP.getPackets().updateGEProgress(seller);
if (sellerP.getGESession() != null)
{
Item[] items = { seller.getSlot1(), seller.getSlot2() };
sellerP.getPackets().sendItems(-1, -1757, 523 + seller.getSlot(), items);
}
}
}
}