/// <summary>Only call me if you are <see cref="EngineSystemAttribute.NewInstance"/></summary>
/// <param name="prototype">The <see cref="BlamEngineSystem"/> used to describe this instance</param>
internal void InitializeForNewInstance(BlamEngineSystem prototype)
{
Prototype = prototype;
mActiveInBlamEngine = true;
mRootBuildHandleBaseline = Prototype.Engine.RootBuildHandle;
// ReSharper disable once InconsistentlySynchronizedField - method is construction, don't need a lock
if (Prototype.SystemRequiresReferenceTracking)
{
mReferencesByBuildCounts = new Dictionary <EngineBuildHandle, int>();
}
}
/// <summary>Create a new instance of the system. Only call me if you are <see cref="BlamEngine"/>!</summary>
/// <param name="prototype"></param>
/// <returns></returns>
internal EngineSystemBase NewInstance(BlamEngineSystem prototype)
{
Contract.Requires(prototype != null);
Contract.Assert(mFactoryMethod != null, "Rerun engine unit tests");
var system = mFactoryMethod();
Contract.Assert(system != null);
system.InitializeForNewInstance(prototype);
return(system);
}
