public override void ProcessServer()
{
EconomyScript.Instance.ServerLogger.WriteVerbose("Action /Buy started by Steam Id '{0}'.", SenderSteamId);
// Get player steam ID
var buyingPlayer = MyAPIGateway.Players.FindPlayerBySteamId(SenderSteamId);
MyPhysicalItemDefinition definition = null;
MyObjectBuilderType result;
if (MyObjectBuilderType.TryParse(ItemTypeId, out result))
{
var id = new MyDefinitionId(result, ItemSubTypeName);
MyDefinitionManager.Static.TryGetPhysicalItemDefinition(id, out definition);
}
if (definition == null)
{
// Someone hacking, and passing bad data?
MessageClientTextMessage.SendMessage(SenderSteamId, "BUY", "Sorry, the item you specified doesn't exist!");
EconomyScript.Instance.ServerLogger.WriteVerbose("Action /Buy aborted by Steam Id '{0}' -- item doesn't exist.", SenderSteamId);
return;
}
// Do a floating point check on the item item. Tools and components cannot have decimals. They must be whole numbers.
if (definition.Id.TypeId != typeof(MyObjectBuilder_Ore) && definition.Id.TypeId != typeof(MyObjectBuilder_Ingot))
{
if (ItemQuantity != Math.Truncate(ItemQuantity))
{
MessageClientTextMessage.SendMessage(SenderSteamId, "BUY", "You must provide a whole number for the quantity to buy that item.");
EconomyScript.Instance.ServerLogger.WriteVerbose("Action /Buy aborted by Steam Id '{0}' -- invalid qantity.", SenderSteamId);
return;
}
//ItemQuantity = Math.Round(ItemQuantity, 0); // Or do we just round the number?
}
if (ItemQuantity <= 0)
{
MessageClientTextMessage.SendMessage(SenderSteamId, "BUY", "You must provide a valid quantity to buy.");
EconomyScript.Instance.ServerLogger.WriteVerbose("Action /Buy aborted by Steam Id '{0}' -- invalid qantity.", SenderSteamId);
return;
}
// Who are we buying to?
BankAccountStruct accountToSell;
if (BuyFromMerchant)
{
accountToSell = AccountManager.FindAccount(EconomyConsts.NpcMerchantId);
}
else
{
accountToSell = AccountManager.FindAccount(FromUserName);
}
if (accountToSell == null)
{
MessageClientTextMessage.SendMessage(SenderSteamId, "BUY", "Sorry, player does not exist or have an account!");
EconomyScript.Instance.ServerLogger.WriteVerbose("Action /Buy aborted by Steam Id '{0}' -- no account.", SenderSteamId);
return;
}
if (MarketManager.IsItemBlacklistedOnServer(ItemTypeId, ItemSubTypeName))
{
MessageClientTextMessage.SendMessage(SenderSteamId, "BUY", "Sorry, the item you tried to buy is blacklisted on this server.");
EconomyScript.Instance.ServerLogger.WriteVerbose("Action /Buy aborted by Steam Id '{0}' -- item blacklisted.", SenderSteamId);
return;
}
// Get the player's inventory, regardless of if they are in a ship, or a remote control cube.
var character = buyingPlayer.GetCharacter();
// TODO: do players in Cryochambers count as a valid trading partner? They should be alive, but the connected player may be offline.
// I think we'll have to do lower level checks to see if a physical player is Online.
if (character == null)
{
// Player has no body. Could mean they are dead.
// Either way, there is no inventory.
MessageClientTextMessage.SendMessage(SenderSteamId, "BUY", "You are dead. You cannot trade while dead.");
EconomyScript.Instance.ServerLogger.WriteVerbose("Action /Buy aborted by Steam Id '{0}' -- player is dead.", SenderSteamId);
return;
}
// TODO: is a null check adaqaute?, or do we need to check for IsDead?
// I don't think the chat console is accessible during respawn, only immediately after death.
// Is it valid to be able to trade when freshly dead?
//var identity = buyingPlayer.Identity();
//MyAPIGateway.Utilities.ShowMessage("CHECK", "Is Dead: {0}", identity.IsDead);
//if (identity.IsDead)
//{
// MessageClientTextMessage.SendMessage(SenderSteamId, "BUY", "You are dead. You cannot trade while dead.");
// return;
//}
var position = ((IMyEntity)character).WorldMatrix.Translation;
MarketItemStruct marketItem = null;
if (BuyFromMerchant || UseBankSellPrice)
{
var markets = MarketManager.FindMarketsFromLocation(position);
if (markets.Count == 0)
{
MessageClientTextMessage.SendMessage(SenderSteamId, "BUY", "Sorry, your are not in range of any markets!");
EconomyScript.Instance.ServerLogger.WriteVerbose("Action /Buy aborted by Steam Id '{0}' -- no market in range.", SenderSteamId);
return;
}
// TODO: find market with best Sell price that isn't blacklisted.
var market = markets.FirstOrDefault();
if (market == null)
{
MessageClientTextMessage.SendMessage(SenderSteamId, "BUY", "Sorry, the market you are accessing does not exist!");
EconomyScript.Instance.ServerLogger.WriteVerbose("Action /Buy aborted by Steam Id '{0}' -- no market found.", SenderSteamId);
return;
}
marketItem = market.MarketItems.FirstOrDefault(e => e.TypeId == ItemTypeId && e.SubtypeName == ItemSubTypeName);
if (marketItem == null)
{
MessageClientTextMessage.SendMessage(SenderSteamId, "BUY", "Sorry, the items you are trying to buy doesn't have a market entry!");
// In reality, this shouldn't happen as all markets have their items synced up on start up of the mod.
return;
}
if (marketItem.IsBlacklisted)
{
MessageClientTextMessage.SendMessage(SenderSteamId, "BUY", "Sorry, the item you tried to buy is blacklisted in this market.");
EconomyScript.Instance.ServerLogger.WriteVerbose("Action /Buy aborted by Steam Id '{0}' -- item is blacklisted in market.", SenderSteamId);
return;
}
// Verify that the items are in the player inventory.
// TODO: later check trade block, cockpit inventory, cockpit ship inventory, inventory of targeted cube.
if (UseBankSellPrice)
{
// The player is buying, but the *Market* will *sell* it to the player at this price.
ItemPrice = marketItem.SellPrice;
}
}
var accountToBuy = AccountManager.FindOrCreateAccount(SenderSteamId, SenderDisplayName, SenderLanguage);
var transactionAmount = ItemPrice * ItemQuantity;
// need fix negative amounts before checking if the player can afford it.
if (!buyingPlayer.IsAdmin())
{
transactionAmount = Math.Abs(transactionAmount);
}
// TODO: admin check on ability to afford it?
//[maybe later, our pay and reset commands let us steal money from npc anyway best to keep admin abuse features to minimum]
//[we could put an admin check on blacklist however, allow admins to spawn even blacklisted gear]
if (accountToBuy.BankBalance < transactionAmount)
{
MessageClientTextMessage.SendMessage(SenderSteamId, "BUY", "Sorry, you cannot afford {0} {1}!", transactionAmount, EconomyScript.Instance.Config.CurrencyName);
EconomyScript.Instance.ServerLogger.WriteVerbose("Action /Buy aborted by Steam Id '{0}' -- not enough money.", SenderSteamId);
return;
}
if (BuyFromMerchant) // and supply is not exhausted, or unlimited mode is not on.
//This is a quick fix, ideally it should do a partial buy of what is left and post a buy offer for remainder
{
// here we look up item price and transfer items and money as appropriate
if (marketItem.Quantity >= ItemQuantity || !EconomyScript.Instance.Config.LimitedSupply)
{
marketItem.Quantity -= ItemQuantity; // reduce Market content.
EconomyScript.Instance.ServerLogger.WriteVerbose("Action /Buy finalizing by Steam Id '{0}' -- adding to inventory.", SenderSteamId);
var remainingToCollect = MessageSell.AddToInventories(buyingPlayer, ItemQuantity, definition.Id);
//EconomyScript.Instance.Config.LimitedSupply
accountToSell.BankBalance += transactionAmount;
accountToSell.Date = DateTime.Now;
accountToBuy.BankBalance -= transactionAmount;
accountToBuy.Date = DateTime.Now;
MessageClientTextMessage.SendMessage(SenderSteamId, "BUY", "You just purchased {1} '{2}' for {0} {3}", transactionAmount, ItemQuantity, definition.GetDisplayName(), EconomyScript.Instance.Config.CurrencyName);
if (remainingToCollect > 0)
{
MarketManager.CreateStockHeld(buyingPlayer.SteamUserId, ItemTypeId, ItemSubTypeName, remainingToCollect, ItemPrice);
// TODO: there should be a common command to collect items. Not use /sell.
MessageClientTextMessage.SendMessage(SenderSteamId, "BUY", "There are {0} remaining to collect. Use '/sell collect'", remainingToCollect);
}
EconomyScript.Instance.ServerLogger.WriteVerbose("Action /Buy complete by Steam Id '{0}' -- items bought.", SenderSteamId);
}
else
{
MessageClientTextMessage.SendMessage(SenderSteamId, "BUY", "There isn't '{0}' of {1} available to purchase! Only {2} available to buy!", ItemQuantity, definition.GetDisplayName(), marketItem.Quantity);
EconomyScript.Instance.ServerLogger.WriteVerbose("Action /Buy aborted by Steam Id '{0}' -- not enough stock.", SenderSteamId);
}
return;
}
else if (FindOnMarket)
{
// TODO: Here we find the best offer on the zone market
return;
}
else
{
// is it a player then?
if (accountToSell.SteamId == buyingPlayer.SteamUserId)
{
MessageClientTextMessage.SendMessage(SenderSteamId, "BUY", "Sorry, you cannot buy from yourself!");
return;
}
// check if selling player is online and in range?
var payingPlayer = MyAPIGateway.Players.FindPlayerBySteamId(accountToSell.SteamId);
if (EconomyScript.Instance.Config.LimitedRange && !Support.RangeCheck(buyingPlayer, payingPlayer))
{
MessageClientTextMessage.SendMessage(SenderSteamId, "BUY", "Sorry, you are not in range of that player!");
return;
}
if (payingPlayer == null)
{
// TODO: other player offline.
}
else
{
// TODO: other player is online.
}
}
// this is a fall through from the above conditions not yet complete.
MessageClientTextMessage.SendMessage(SenderSteamId, "BUY", "Not yet complete.");
}