public override void Initialize()
{
base.Initialize();
foreach (var system in AppDomain.CurrentDomain.GetAssemblies()
.SelectMany(a => a.GetTypes()
.Where(t => t.GetCustomAttributes(true).Any(at => at.GetType() == typeof(ComponentSystemAttribute)))))
{
var obj = (ComponentSystem)Activator.CreateInstance(system);
obj.Game = Game;
var requiredComponents = new List <Type>();
foreach (var attr in system.GetCustomAttributes(typeof(RequiredComponentsAttribute), true) as RequiredComponentsAttribute[])
{
requiredComponents.AddRange(attr.RequiredComponents);
}
var contract = new ComponentSystemContract(obj, requiredComponents.ToArray());
if (!_componentSystems.TryAdd(system, contract))
{
throw new ArgumentException("A system with this type is already defined.");
}
}
}
public T RegisterSystem <T>() where T : ComponentSystem, new()
{
var type = typeof(T);
var obj = new T();
obj.Game = Game;
var requiredComponents = new List <Type>();
foreach (var attr in typeof(T).GetCustomAttributes(typeof(RequiredComponentsAttribute), true) as RequiredComponentsAttribute[])
{
requiredComponents.AddRange(attr.RequiredComponents);
}
var contract = new ComponentSystemContract(obj, requiredComponents.ToArray());
if (!_componentSystems.TryAdd(type, contract))
{
throw new ArgumentException("A system with this type is already defined.");
}
return(obj);
}
