public SystemsManager( IPluginManager pluginManager, ILogManager logManager, INGinCore core, IMainLoopManager mainLoopManager )
{
this.LogManager = logManager;
foreach ( SystemAttribute plugin in pluginManager.GetPluginsForType( typeof( SystemAttribute ) ) )
{
// create and store system
//ConstructorInfo constructor = plugin.SystemType.GetConstructor( plugin.ConstructorParameterTypes );
//ISystem system = plugin.SystemType.InvokeMember( plugin.SystemType.Name, global::System.Reflection.BindingFlags.CreateInstance, null, null, new object[] { this.LogManager } ) as ISystem;
ISystem system = core.GetService( plugin.SystemType ) as ISystem;
lock ( this.registeredSystemsLock )
{
this.registeredSystems.Add( system.Name, system );
}
}
}
internal void Initialize( IPluginManager pluginManager, IMachine stateMachine, INGinCore core )
{
// ensure plugin manager is not null
if ( pluginManager == null )
{
string message = "The plugin manager must not be null.";
ArgumentNullException argnEx = new ArgumentNullException( "logManager", message );
this.LogManager.Trace( Namespace.LoggerName, LogLevel.Error, argnEx, message );
throw argnEx;
}
// ensure state machine is not null
if ( stateMachine == null )
{
string message = "The state machine must not be null.";
ArgumentNullException argnEx = new ArgumentNullException( "stateMachine", message );
this.LogManager.Trace( Namespace.LoggerName, LogLevel.Error, argnEx, message );
throw argnEx;
}
if ( core == null )
{
string message = "The core must not be null.";
ArgumentNullException argnEx = new ArgumentNullException( "core", message );
this.LogManager.Trace( Namespace.LoggerName, LogLevel.Error, argnEx, message );
throw argnEx;
}
IEnumerable<Attribute> statePlugins = pluginManager.GetPluginsForType( typeof( NGinRootStateAttribute ) );
// ensure that only one root state is defined
if ( statePlugins.Count<Attribute>() > 1 )
{
string message = "More than one root state plugin was found. There must be only 1.";
InvalidOperationException invOpEx = new InvalidOperationException( message );
this.LogManager.Trace( Namespace.LoggerName, LogLevel.Error, invOpEx, message );
throw invOpEx;
}
// get attribute
NGinRootStateAttribute rootStateAtt = statePlugins.ElementAt<Attribute>( 0 ) as NGinRootStateAttribute;
// make sure attribute is not null
if ( rootStateAtt == null )
{
string message = "Error loading the root state plugin.";
InvalidOperationException invOpEx = new InvalidOperationException( message );
this.LogManager.Trace( Namespace.LoggerName, LogLevel.Error, invOpEx, message );
throw invOpEx;
}
// add type to machine root
Type rootStateType = rootStateAtt.RootStateType;
IState state = core.GetService( rootStateType ) as IState;
if ( state == null )
{
string message = String.Format( System.Globalization.CultureInfo.InvariantCulture, "An error occurred while retrieving instance of {0}.", rootStateType.FullName );
InvalidOperationException invopEx = new InvalidOperationException( message );
this.LogManager.Trace( Namespace.LoggerName, LogLevel.Error, invopEx, message );
throw invopEx;
}
this.StateMachine.RootState.AddSubState( state );
stateMachine.Initialize( state.Name );
}