/// <summary>
/// Deserializes xml markup from file into an LootTableItemList object
/// </summary>
/// <param name="fileName">string xml file to load and deserialize</param>
/// <param name="obj">Output LootTableItemList object</param>
/// <param name="exception">output Exception value if deserialize failed</param>
/// <returns>true if this Serializer can deserialize the object; otherwise, false</returns>
public static bool LoadFromFile(string fileName, out LootTableItemList obj, out Exception exception)
{
exception = null;
obj = default(LootTableItemList);
try
{
obj = LoadFromFile(fileName);
return(true);
}
catch (Exception ex)
{
exception = ex;
return(false);
}
}
/// <summary>
/// Deserializes workflow markup into an LootTableItemList object
/// </summary>
/// <param name="input">string workflow markup to deserialize</param>
/// <param name="obj">Output LootTableItemList object</param>
/// <param name="exception">output Exception value if deserialize failed</param>
/// <returns>true if this Serializer can deserialize the object; otherwise, false</returns>
public static bool Deserialize(string input, out LootTableItemList obj, out Exception exception)
{
exception = null;
obj = default(LootTableItemList);
try
{
obj = Deserialize(input);
return(true);
}
catch (Exception ex)
{
exception = ex;
return(false);
}
}
/// <summary>
/// Given a list of items in a loot table, return the items awarded.
/// </summary>
/// <param name="list">LootTableItemList containing items</param>
/// <returns>List of items</returns>
public static List <string> CalculateItems(Xml.LootTableItemList list)
{
// Ordinarily, return one item from the list.
var rolls = CalculateSuccessfulRolls(list.Rolls, list.Chance);
var loot = new List <Xml.LootItem>();
var itemList = new List <ItemObject>();
// First, process any "always" items, which always drop when the container fires
foreach (var item in list.Item.Where(i => i.Always))
{
GameLog.SpawnInfo("Processing loot: added always item {item}", item.Value);
loot.Add(item);
}
var totalRolls = 0;
// Process the rest of the rolls now
do
{
// Get a random item from the list
var item = list.Item.Where(i => !i.Always).PickRandom();
// As soon as we get an item from our table, we've "rolled"; we'll add another roll below if needed
rolls--;
// Check uniqueness. If something has already dropped, don't drop it again, and reroll
if (item.Unique && loot.Contains(item))
{
rolls++;
GameLog.SpawnInfo("Processing loot: added duplicate unique item {item}. Rerolling", item.Value);
continue;
}
// Check max quantity. If it is exceeded, reroll
if (item.Max > 0 && loot.Where(i => i.Value == item.Value).Count() >= item.Max)
{
rolls++;
GameLog.SpawnInfo("Processing loot: added over max quantity for {item}. Rerolling", item.Value);
continue;
}
// If quantity and uniqueness are good, add the item
loot.Add(item);
GameLog.SpawnInfo("Processing loot: added {item}", item.Value);
totalRolls++;
// As a check against something incredibly stupid in XML, we only allow a maximum of
// 100 rolls
if (totalRolls > 100)
{
GameLog.SpawnInfo("Processing loot: maximum number of rolls exceeded..?");
throw new LootRecursionError("Maximum number of rolls (100) exceeded!");
}
}while (rolls > 0);
// Now we have the canonical droplist, which needs resolving into Items
foreach (var lootitem in loot)
{
// Does the base item exist?
var xmlItemList = Game.World.WorldData.FindItem(lootitem.Value);
// Don't handle the edge case of multiple genders .... yet
if (xmlItemList.Count != 0)
{
var xmlItem = xmlItemList.First();
// Handle variants.
// If multiple variants are specified, we pick one at random
if (lootitem.Variants.Count() > 0)
{
var lootedVariant = lootitem.Variants.PickRandom();
if (xmlItem.Variants.TryGetValue(lootedVariant, out List <Xml.Item> variantItems))
{
itemList.Add(Game.World.CreateItem(variantItems.PickRandom().Id));
}
else
{
GameLog.SpawnError("Spawn loot calculation: variant group {name} not found", lootedVariant);
}
}
else
{
itemList.Add(Game.World.CreateItem(xmlItem.Id));
}
}
else
{
GameLog.SpawnError("Spawn loot calculation: item {name} not found!", lootitem.Value);
}
}
// We store loot as strings inside mobs to avoid having tens or hundreds of thousands of ItemObjects or
// Items lying around - they're made into real objects at the time of mob death
if (itemList.Count > 0)
{
return(itemList.Where(x => x != null).Select(y => y.Name).ToList());
}
return(new List <String>());
}
public static bool LoadFromFile(string fileName, out LootTableItemList obj)
{
Exception exception = null;
return(LoadFromFile(fileName, out obj, out exception));
}
public static bool Deserialize(string input, out LootTableItemList obj)
{
Exception exception = null;
return(Deserialize(input, out obj, out exception));
}
