Watch.cs System::Threading::Watch System System::Threading //Task.cs // //Copyright(c)2008Jérémie"Garuma"Laval // //Permissionisherebygranted,freeofcharge,toanypersonobtainingacopy //ofthissoftwareandassociateddocumentationfiles(the"Software"),todeal //intheSoftwarewithoutrestriction,includingwithoutlimitationtherights //touse,copy,modify,merge,publish,distribute,sublicense,and/orsell //copiesoftheSoftware,andtopermitpersonstowhomtheSoftwareis //furnishedtodoso,subjecttothefollowingconditions: // //Theabovecopyrightnoticeandthispermissionnoticeshallbeincludedin //allcopiesorsubstantialportionsoftheSoftware. // //THESOFTWAREISPROVIDED"ASIS",WITHOUTWARRANTYOFANYKIND,EXPRESSOR //IMPLIED,INCLUDINGBUTNOTLIMITEDTOTHEWARRANTIESOFMERCHANTABILITY, //FITNESSFORAPARTICULARPURPOSEANDNONINFRINGEMENT.INNOEVENTSHALLTHE //AUTHORSORCOPYRIGHTHOLDERSBELIABLEFORANYCLAIM,DAMAGESOROTHER //LIABILITY,WHETHERINANACTIONOFCONTRACT,TORTOROTHERWISE,ARISINGFROM, //OUTOFORINCONNECTIONWITHTHESOFTWAREORTHEUSEOROTHERDEALINGSIN //THESOFTWARE. // // #ifNET_4_0||UNITY_5_3_OR_NEWER usingSystem; usingSystem.Reflection; namespaceSystem.Threading { internalstructWatch { //DonotrelyonMonointernals #iffalse staticreadonlyMethodInfoGetTimeMonotonicMethodInfo= typeof(DateTime).GetMethod("GetTimeMonotonic",BindingFlags.NonPublic|BindingFlags.Static); //SpicyPixel:ThisappearstoworkonAOTtooandismuchfasterthandynamicinvoke. staticreadonlyFunc<long>GetTimeMonotonic=(Func<long>)Delegate.CreateDelegate( typeof(Func<long>),GetTimeMonotonicMethodInfo); #endif longstartTicks; publicstaticWatchStartNew() { Watchwatch=newWatch(); watch.Start(); returnwatch; } publicvoidStart() { startTicks=TicksNow(); } publicvoidStop() { } publiclongElapsedMilliseconds{ get{ return(TicksNow()-startTicks)/TimeSpan.TicksPerMillisecond; } } staticlongTicksNow() { //SpicyPixel:NoaccesstointernalMonomethodexceptbyreflection. // //Monotonictimecannotbesetandrepresentsatimeintickssince //someunspecifiedstartingpoint.Itavoidsdriftduetosystem //timeupdates(whichDateTime.Now.Ticksdoesnot). // //returnDateTime.GetTimeMonotonic(); returnDateTime.Now.Ticks; //returnWatch.GetTimeMonotonic(); } } } #endif