private static void InitialiseObjectMessageHandlers()
{
var builder = ImmutableDictionary.CreateBuilder <ObjectOpcode, ObjectMessageHandler>();
foreach (MethodInfo methodInfo in Assembly.GetExecutingAssembly()
.GetTypes()
.SelectMany(t => t.GetMethods()))
{
ObjectPacketHandlerAttribute attribute = methodInfo.GetCustomAttribute <ObjectPacketHandlerAttribute>();
if (attribute == null)
{
continue;
}
ParameterInfo[] parameters = methodInfo.GetParameters();
#region Debug
Debug.Assert(parameters.Length == 2);
Debug.Assert(typeof(NetworkSession).IsAssignableFrom(parameters[0].ParameterType));
#endregion
ParameterExpression sessionParameter = Expression.Parameter(typeof(NetworkSession));
ParameterExpression messageParameter = Expression.Parameter(typeof(NetworkObject));
MethodCallExpression methodCall = Expression.Call(methodInfo, Expression.Convert(sessionParameter, parameters[0].ParameterType), messageParameter);
Expression <ObjectMessageHandler> lambda = Expression.Lambda <ObjectMessageHandler>(methodCall, sessionParameter, messageParameter);
builder.Add(attribute.Opcode, lambda.Compile());
}
objectMessageHandlers = builder.ToImmutable();
}
/// <summary>
///
/// </summary>
private static void InitialiseObjectPacketHandlers()
{
foreach (Type type in Assembly.GetExecutingAssembly().GetTypes())
{
foreach (MethodInfo methodInfo in type.GetMethods())
{
ObjectPacketHandlerAttribute attribute = methodInfo.GetCustomAttribute <ObjectPacketHandlerAttribute>();
if (attribute == null)
{
continue;
}
ParameterInfo[] parameters = methodInfo.GetParameters();
Debug.Assert(parameters.Length == 2);
Debug.Assert(typeof(NetworkSession).IsAssignableFrom(parameters[0].ParameterType));
ParameterExpression sessionParameter = Expression.Parameter(typeof(NetworkSession));
ParameterExpression objectParameter = Expression.Parameter(typeof(NetworkObject));
MethodCallExpression methodCall = Expression.Call(methodInfo, Expression.Convert(sessionParameter, parameters[0].ParameterType), objectParameter);
Expression <ObjectPacketHandler> lambda = Expression.Lambda <ObjectPacketHandler>(methodCall, sessionParameter, objectParameter);
objectPacketHandlers.Add(attribute.Opcode, lambda.Compile());
}
}
}