/// <summary>
/// 获取一个组件集合，不允许获取SingleCase
/// </summary>
/// <typeparam name="T">组件类型。</typeparam>
/// <returns>返回一个类型的多例(ManyCase)组件集合。</returns>
public HashSet <BaseComponent> GetComponents <T>() where T : BaseComponent
{
var type = typeof(T);
var isSingle = ObjectStorage.IsSingleType(type);
if (isSingle)
{
return(null);
}
if (!TypeComponents.TryGetValue(type, out HashSet <BaseComponent> components))
{
return(null);
}
return(components);
}
/// <summary>
/// 获取一个组件，不允许获取SingleCase
/// </summary>
/// <typeparam name="T">组件类型。</typeparam>
/// <param name="id">组件Id。</param>
/// <returns>返回一个类型的多例(ManyCase)组件。</returns>
public T GetComponent <T>(int id) where T : BaseComponent
{
var type = typeof(T);
var isSingle = ObjectStorage.IsSingleType(type);
if (isSingle)
{
return(null);
}
if (IdComponents.TryGetValue(id, out BaseComponent component))
{
return(null);
}
return((T)component);
}
/// <summary>
/// 添加一个组件。
/// </summary>
/// <typeparam name="T">组件类型。</typeparam>
/// <param name="component">组件实体。</param>
/// <returns>新增成功返回true,失败返回false，如果返回false表示池中已经存在该组件。</returns>
public bool AddComponent(BaseComponent component)
{
var type = component.GetType();
var isSingle = ObjectStorage.IsSingleType(type);
var isNew = false;
if (isSingle)
{
isNew = !SingleComponents.ContainsKey(type);
if (isNew)
{
SingleComponents[type] = component;
}
}
else
{
isNew = !IdComponents.ContainsKey(component.Id);
if (isNew)
{
IdComponents[component.Id] = component;
if (!TypeComponents.TryGetValue(type, out HashSet <BaseComponent> components))
{
components = new HashSet <BaseComponent>();
TypeComponents[type] = components;
}
components.Add(component);
}
}
if (isNew)
{
Game.Event.Add(component);
}
return(isNew);
}