/// <summary>Samples the attributes to apply to the item.</summary>
/// <param name="manager"> </param>
/// <param name="faction">The faction the ship belongs to.</param>
/// <param name="position">The position at which to spawn the ship.</param>
/// <param name="random">The randomizer to use.</param>
/// <return>The entity with the attributes applied.</return>
public int Sample(IManager manager, Factions faction, FarPosition position, IUniformRandom random)
{
var entity = CreateShip(manager, faction, position);
// Create initial equipment.
var equipment = (ItemSlot)manager.GetComponent(entity, ItemSlot.TypeId);
equipment.Item = FactoryLibrary.SampleItem(manager, _items.Name, position, random);
if (equipment.Item > 0)
{
foreach (var item in _items.Slots)
{
SampleItems(manager, position, random, equipment.Item, item);
}
}
// Add our attributes.
var attributes = (Attributes <AttributeType>)manager.GetComponent(entity, Attributes <AttributeType> .TypeId);
foreach (var attribute in _attributes)
{
var modifier = attribute.SampleAttributeModifier(random);
if (modifier.ComputationType == AttributeComputationType.Multiplicative)
{
throw new InvalidOperationException("Base attributes must be additive.");
}
attributes.SetBaseValue(modifier.Type, modifier.Value);
}
// Fill up our values.
var health = ((Health)manager.GetComponent(entity, Health.TypeId));
var energy = ((Energy)manager.GetComponent(entity, Energy.TypeId));
health.Value = health.MaxValue;
energy.Value = energy.MaxValue;
// Add experience points if we're worth any.
if (_xp > 0)
{
manager.AddComponent <ExperiencePoints>(entity).Initialize(_xp);
}
return(entity);
}
/// <summary>Samples the items for the specified item info and children (recursively).</summary>
/// <param name="manager">The manager.</param>
/// <param name="position">The position.</param>
/// <param name="random">The random.</param>
/// <param name="parent">The parent.</param>
/// <param name="itemInfo">The item info.</param>
private static void SampleItems(
IManager manager, FarPosition position, IUniformRandom random, int parent, ItemInfo itemInfo)
{
// Create the actual item.
var itemId = FactoryLibrary.SampleItem(manager, itemInfo.Name, position, random);
if (itemId < 1)
{
// No such item.
return;
}
var item = (Item)manager.GetComponent(itemId, Item.TypeId);
// Then equip it in the parent.
foreach (ItemSlot slot in manager.GetComponents(parent, ItemSlot.TypeId))
{
if (slot.Item == 0 && slot.Validate(item))
{
// Found a suitable empty slot, equip here.
slot.Item = itemId;
// Recurse to generate children.
foreach (var childInfo in itemInfo.Slots)
{
SampleItems(manager, position, random, itemId, childInfo);
}
// Done.
return;
}
}
// If we get here we couldn't find a slot to equip the item in.
manager.RemoveEntity(itemId);
Logger.Warn("Parent item did not have a slot for the requested child item.");
}
