/// <summary>
/// Attempts to purchase <paramref name="amount"/> items at the given <paramref name="slot"/> from the
/// shop that the shopper is currently shopping at.
/// </summary>
/// <param name="slot">The index of the shop item to purchase.</param>
/// <param name="amount">The amount of the item to purchase.</param>
/// <returns>True if the purchase was successful; otherwise false.</returns>
public bool TryPurchase(ShopItemIndex slot, byte amount)
{
ThreadAsserts.IsMainThread();
if (!slot.IsLegalValue())
{
return(false);
}
// Get the shop
ValidateShop();
if (_shoppingAt == null)
{
return(false);
}
// Get and validate the item
var shopItem = _shoppingAt.GetShopItem(slot);
if (Equals(shopItem, null))
{
return(false);
}
// Try to buy the item
return(HandleBuyShopItem(Character, shopItem, amount));
}
/// <summary>
/// Gets the item at the specified <paramref name="slot"/>.
/// </summary>
/// <param name="slot">The slot of the shop item.</param>
/// <returns>The shop item at the specified <paramref name="slot"/>, or null if
/// the slot was invalid or contains no item.</returns>
public TShopItem GetShopItem(ShopItemIndex slot)
{
if (slot < 0 || slot >= _shopItems.Length)
{
return(default(TShopItem));
}
return(_shopItems[slot]);
}
/// <summary>
/// Gets the item at the specified <paramref name="slot"/>.
/// </summary>
/// <param name="slot">The slot of the shop item.</param>
/// <returns>The shop item at the specified <paramref name="slot"/>, or null if
/// the slot was invalid or contains no item.</returns>
public TShopItem GetShopItem(ShopItemIndex slot)
{
var i = slot.GetRawValue();
if (i < 0 || i >= _shopItems.Length)
{
return(default(TShopItem));
}
return(_shopItems[i]);
}
/// <summary>
/// Gets the item info at the given <paramref name="slot"/>.
/// </summary>
/// <param name="slot">The slot of the item.</param>
/// <returns>The item info at the given <paramref name="slot"/>, or null if the
/// <see cref="slot"/> was invalid or not item was in the specified slot.</returns>
public TItemInfo GetItemInfo(ShopItemIndex slot)
{
if (_items == null)
{
return(default(TItemInfo));
}
if (slot < 0 || slot >= _items.Length)
{
return(default(TItemInfo));
}
return(_items[slot]);
}
/// <summary>
/// Gets the item info at the given <paramref name="slot"/>.
/// </summary>
/// <param name="slot">The slot of the item.</param>
/// <returns>The item info at the given <paramref name="slot"/>, or null if the
/// <see cref="slot"/> was invalid or not item was in the specified slot.</returns>
public TItemInfo GetItemInfo(ShopItemIndex slot)
{
if (_items == null)
{
return(default(TItemInfo));
}
var i = slot.GetRawValue();
if (i < 0 || i >= _items.Length)
{
return(default(TItemInfo));
}
return(_items[i]);
}
public static void Write(this IValueWriter writer, string name, ShopItemIndex value)
{
writer.Write(name, value);
}
/// <summary>
/// Checks if the given <see cref="ShopItemIndex"/> is in legal range.
/// </summary>
/// <param name="index">The ShopItemIndex.</param>
/// <returns>True if the <paramref name="index"/> is in legal range; otherwise false.</returns>
public static bool IsLegalValue(this ShopItemIndex index)
{
return(index >= 0 && index < _shopSettings.MaxShopItems);
}
/// <summary>
/// Checks if the given <see cref="ShopItemIndex"/> is in legal range.
/// </summary>
/// <param name="index">The ShopItemIndex.</param>
/// <returns>True if the <paramref name="index"/> is in legal range; otherwise false.</returns>
public static bool IsLegalValue(this ShopItemIndex index)
{
int i = (int)index;
return(i >= 0 && i < _shopSettings.MaxShopItems);
}
