private void PerformTrade(TSPlayer player, ProtectionEntry protection, Inventory chestInventory, Item sellItem, Item payItem)
{
Inventory playerInventory = new Inventory(new PlayerItemsAdapter(player.Index, player.TPlayer.inventory, 0, 53), specificPrefixes: false);
ItemData sellItemData = ItemData.FromItem(sellItem);
ItemData payItemData = ItemData.FromItem(payItem);
ItemData?[] playerInvUpdates;
try {
playerInvUpdates = playerInventory.Remove(payItemData);
playerInventory.Add(playerInvUpdates, sellItemData);
} catch (InvalidOperationException) {
player.SendErrorMessage($"You either don't have the needed {TShock.Utils.ItemTag(payItem)} to purchase {TShock.Utils.ItemTag(sellItem)} or your inventory is full.");
return;
}
bool isRefillChest = (protection.RefillChestData != null);
ItemData?[] chestInvUpdates;
try {
if (isRefillChest) {
chestInvUpdates = chestInventory.Add(payItemData);
} else {
chestInvUpdates = chestInventory.Remove(sellItemData);
chestInventory.Add(chestInvUpdates, payItemData);
}
} catch (InvalidOperationException) {
player.SendErrorMessage("The items in the trade chest are either sold out or there's no space in it to add your payment.");
return;
}
try {
protection.TradeChestData.AddOrUpdateLooter(player.User.ID);
} catch (InvalidOperationException) {
player.SendErrorMessage($"The vendor doesn't allow more than {protection.TradeChestData.LootLimitPerPlayer} purchases per player.");
return;
}
playerInventory.ApplyUpdates(playerInvUpdates);
chestInventory.ApplyUpdates(chestInvUpdates);
protection.TradeChestData.AddJournalEntry(player.Name, sellItem, payItem);
player.SendSuccessMessage($"You've just purchased {TShock.Utils.ItemTag(sellItem)} for {TShock.Utils.ItemTag(payItem)} from {TShock.Utils.ColorTag(GetUserName(protection.Owner), Color.Red)}.");
}
private void InitTrade(TSPlayer player, IChest chest, ProtectionEntry protection)
{
TradeChestMetadata tradeChestData = protection.TradeChestData;
Item sellItem = new Item();
sellItem.netDefaults(tradeChestData.ItemToSellId);
sellItem.stack = tradeChestData.ItemToSellAmount;
Item payItem = new Item();
payItem.netDefaults(tradeChestData.ItemToPayId);
payItem.stack = tradeChestData.ItemToPayAmount;
player.SendMessage($"This is a trade chest owned by {TShock.Utils.ColorTag(GetUserName(protection.Owner), Color.Red)}.", Color.LightGray);
Inventory chestInventory = new Inventory(chest.Items, specificPrefixes: false);
int stock = chestInventory.Amount(sellItem.netID);
if (stock < sellItem.stack) {
player.SendMessage($"It was trading {TShock.Utils.ItemTag(sellItem)} for {TShock.Utils.ItemTag(payItem)} but it is out of stock.", Color.LightGray);
return;
}
player.SendMessage($"Click again to purchase {TShock.Utils.ItemTag(sellItem)} for {TShock.Utils.ItemTag(payItem)}", Color.LightGray);
CommandInteraction interaction = this.StartOrResetCommandInteraction(player);
interaction.ChestOpenCallback += (playerLocal, chestLocation) => {
bool complete;
bool wasThisChestHit = (chestLocation == chest.Location);
if (wasThisChestHit) {
// this is important to check, otherwise players could use trade chests to easily duplicate items
if (!this.IsChestInUse(playerLocal, chest))
this.PerformTrade(player, protection, chestInventory, sellItem, payItem);
else
player.SendErrorMessage("Another player is currently viewing the content of this chest.");
complete = false;
} else {
this.HandleChestGetContents(playerLocal, chestLocation, skipInteractions: true);
complete = true;
}
playerLocal.SendTileSquare(chest.Location);
return new CommandInteractionResult {IsHandled = true, IsInteractionCompleted = complete};
};
}