/// <summary>
/// Registers system by its type and performs all necessary initialization routine
/// </summary>
public void RegisterSystem(Type type)
{
if (!typeof(BaseComponentSystem).IsAssignableFrom(type))
{
throw new ArgumentException($"EC System of type {type.Name} is not inherited from {nameof(BaseComponentSystem)}");
}
BaseComponentSystem system = (BaseComponentSystem)Activator.CreateInstance(type);
system.PreInitialize(this);
if (system.SystemType == SystemProcessingType.Draw)
{
_service.DrawSystems.Add(system);
_service.DrawSystems.Sort((system1, system2) => system1.Order - system2.Order);
}
else if (system.SystemType == SystemProcessingType.Update)
{
_service.UpdateSystems.Add(system);
_service.UpdateSystems.Sort((system1, system2) => system1.Order - system2.Order);
}
system.Initialize();
}
/// <summary>
/// Performs initialization of all scanned systems and templates
/// </summary>
internal void Initialize(IEnumerable <Type> availableSystems, IEnumerable <Type> availableTemplates)
{
// processing templates
foreach (Type availableTemplateType in availableTemplates)
{
EntityTemplate template = null;
try
{
template = (EntityTemplate)Activator.CreateInstance(availableTemplateType);
}
catch (Exception ex)
{
Log.Error(ex, $"Unable to create template '{availableTemplateType.Name}'");
continue;
}
template.InitializeInternal();
_service.Templates[availableTemplateType] = template;
_service.TemplatesByName[template.Name] = template;
}
foreach (Type availableSystem in availableSystems)
{
BaseComponentSystem system = null;
try
{
system = (BaseComponentSystem)Activator.CreateInstance(availableSystem);
}
catch (Exception ex)
{
Log.Error(ex, $"Unable to create system '{availableSystem.Name}'");
continue;
}
system.PreInitialize(this);
if (system.SystemType == SystemProcessingType.Draw)
{
_service.DrawSystems.Add(system);
}
else if (system.SystemType == SystemProcessingType.Update)
{
_service.UpdateSystems.Add(system);
}
}
// performing ordering of systems and initializing
_service.UpdateSystems.Sort((system1, system2) => system1.Order - system2.Order);
_service.DrawSystems.Sort((system1, system2) => system1.Order - system2.Order);
foreach (BaseComponentSystem system in _service.UpdateSystems)
{
system.Initialize();
}
foreach (BaseComponentSystem system in _service.DrawSystems)
{
system.Initialize();
}
}