private static void OnAssemblyLoad(object sender, AssemblyLoadEventArgs args)
{
Assembly currentAssembly = typeof(NativeFunctions).Assembly;
Assembly assembly = args.LoadedAssembly;
AssemblyName[] referencedAssemblies = assembly.GetReferencedAssemblies();
foreach (AssemblyName assemblyName in referencedAssemblies)
{
if (assemblyName.FullName == currentAssembly.FullName)
{
try
{
FMessage.Log("Load managed assembly: '" + assembly.FullName + "'");
// This is an unreal assembly. Load the unreal types.
ManagedUnrealModuleInfo.PreProcessAssembly(assembly);//UnrealTypes.Load(assembly);
UClass.Load(assembly);
}
catch (Exception e)
{
FMessage.Log("Failed to process assembly " + assembly.FullName + " error: " + e);
// Break if we are debugging as the exception may be silently handled
Debugger.Break();
}
break;
}
}
}
private static void OnAssemblyLoad(object sender, AssemblyLoadEventArgs args)
{
Assembly currentAssembly = typeof(NativeFunctions).Assembly;
Assembly assembly = args.LoadedAssembly;
AssemblyName[] referencedAssemblies = assembly.GetReferencedAssemblies();
foreach (AssemblyName assemblyName in referencedAssemblies)
{
if (assembly.FullName == currentAssembly.FullName)
{
// This is an unreal assembly. Load the unreal types.
UnrealTypes.Load(assembly);
UClass.Load(assembly);
break;
}
}
}
private static void OnNativeFunctionsRegistered()
{
bool reloading = HotReload.IsReloading;
HotReload.MinimalReload = Native_SharpHotReloadUtils.Get_MinimalHotReload();
FMessage.Log("Runtime: " + SharedRuntimeState.GetRuntimeInfo(false));
// HACK: Removing EPackageFlags.EditorOnly on the USharp package so that C# classes aren't tagged as
// EObjectMark.EditorOnly. The correct thing to do would be to seperate USharp into seperate
// Editor/Runtime modules.
IntPtr package = NativeReflection.FindPackage(IntPtr.Zero, "/Script/USharp");
if (package != IntPtr.Zero)
{
Native_UPackage.ClearPackageFlags(package, EPackageFlags.EditorOnly);
}
using (var timing = HotReload.Timing.Create(HotReload.Timing.UnrealTypes_Load))
{
UnrealTypes.Load();
}
if (HotReload.IsReloading)
{
HotReload.OnPreReloadBegin();
}
using (var timing = HotReload.Timing.Create(HotReload.Timing.UnrealTypes_LoadNative))
{
// Load the underlying native type info for generated types (class address/properties/functions/offsets)
UnrealTypes.LoadNative();
}
using (var timing = HotReload.Timing.Create(HotReload.Timing.UClass_Load))
{
// Load native classes
UClass.Load();
}
using (var timing = HotReload.Timing.Create(HotReload.Timing.NativeFunctions_GenerateAndCompileMissingAssemblies))
{
// Update the C# game project props file
ProjectProps.Update();
// Prompt to compile the C# engine wrapper code / C# game code (if it isn't already compiled)
GenerateAndCompileMissingAssemblies();
}
// If any assemblies are loaded make sure to load their unreal types
if (!AssemblyContext.IsCoreCLR || CurrentAssemblyContext.Reference.IsInvalid)
{
// .NET Core should resolve with AssemblyLoadContext.Resolving (unless the contexts aren't set up)
CurrentAssemblyContext.AssemblyResolve += CurrentDomain_AssemblyResolve;
}
CurrentAssemblyContext.AssemblyLoad += OnAssemblyLoad;
CurrentAssemblyContext.Resolving += CurrentAssemblyContext_Resolving;
using (var timing = HotReload.Timing.Create(HotReload.Timing.NativeFunctions_LoadAssemblies))
{
// Load managed assemblies (game assembly, and any others which may need loading)
LoadAssemblies();
}
if (HotReload.IsReloading)
{
HotReload.OnPreReloadEnd();
}
using (var timing = HotReload.Timing.Create(HotReload.Timing.ManagedUnrealModuleInfo_Load))
{
// Load managed module infos
ManagedUnrealModuleInfo.Load();
}
using (var timing = HotReload.Timing.Create(HotReload.Timing.ManagedUnrealTypes_Load))
{
// Load / register managed unreal types
ManagedUnrealTypes.Load();
}
using (var timing = HotReload.Timing.Create(HotReload.Timing.HotReload_OnReload))
{
// Let HotReload handle reloading if this is a reload
if (HotReload.IsReloading)
{
HotReload.OnReload();
}
}
// Clear the hot-reload data store if it isn't cleared already
if (HotReload.Data != null)
{
HotReload.Data.Close();
HotReload.Data = null;
}
if (FBuild.WithEditor && reloading)
{
using (var timing = HotReload.Timing.Create(HotReload.Timing.UObject_CollectGarbage))
{
// If we are hotreloading collect garbage to clean up trashed types / reinstanced objects
UObject.CollectGarbage(GCHelper.GarbageCollectionKeepFlags, true);
}
if (!ManagedUnrealTypes.SkipBroadcastHotReload)
{
using (var timing = HotReload.Timing.Create(HotReload.Timing.SharpHotReloadUtils_BroadcastOnHotReload))
{
// Broadcast the native OnHotReload (if we don't do this we would need to reimplement various
// handlers to ensure correct reloading. One example is FBlueprintActionDatabase::ReloadAll
// which needs to be called otherwise the action database will hold onto our old class members
// and would produce erros when opening blueprints).
// true will show the C++ "Hot Reload Complete!" notification (are there any other differences?)
//Native_SharpHotReloadUtils.BroadcastOnHotReload(true);
// The notification rendering gets messed up the longer hotreload takes. Wait 1 frame to ensure
// that the notification gets fully rendered (though the audio still seems to mess up)
Coroutine.StartCoroutine(null, DeferBroadcastHotReload());
}
}
}
using (var timing = HotReload.Timing.Create(HotReload.Timing.GC_Collect))
{
// We likely created a bunch of garbage, best to clean it up now.
GC.Collect();
}
}
private static void OnNativeFunctionsRegistered()
{
bool reloading = HotReload.IsReloading;
HotReload.MinimalReload = Native_SharpHotReloadUtils.Get_MinimalHotReload();
// HACK: Removing EPackageFlags.EditorOnly on the USharp package so that C# classes aren't tagged as
// EObjectMark.EditorOnly. The correct thing to do would be to seperate USharp into seperate
// Editor/Runtime modules.
IntPtr package = NativeReflection.FindPackage(IntPtr.Zero, "/Script/USharp");
if (package != IntPtr.Zero)
{
Native_UPackage.ClearPackageFlags(package, EPackageFlags.EditorOnly);
}
using (var timing = HotReload.Timing.Create(HotReload.Timing.NativeFunctions_LoadAssemblies))
{
// Load managed assemblies (game assembly, and any others which may need loading)
LoadAssemblies();
}
using (var timing = HotReload.Timing.Create(HotReload.Timing.UnrealTypes_Load))
{
UnrealTypes.Load();
}
if (HotReload.IsReloading)
{
HotReload.OnPreReloadBegin();
}
using (var timing = HotReload.Timing.Create(HotReload.Timing.UnrealTypes_LoadNative))
{
// Load the underlying native type info for generated types (class address/properties/functions/offsets)
UnrealTypes.LoadNative();
}
// If any assemblies are loaded after this point make sure to load their unreal types
AppDomain.CurrentDomain.AssemblyLoad += OnAssemblyLoad;
using (var timing = HotReload.Timing.Create(HotReload.Timing.UClass_Load))
{
// Load native classes
UClass.Load();
}
if (HotReload.IsReloading)
{
HotReload.OnPreReloadEnd();
}
using (var timing = HotReload.Timing.Create(HotReload.Timing.ManagedUnrealModuleInfo_Load))
{
// Load managed module infos
ManagedUnrealModuleInfo.Load();
}
using (var timing = HotReload.Timing.Create(HotReload.Timing.ManagedUnrealTypes_Load))
{
// Load / register managed unreal types
ManagedUnrealTypes.Load();
}
using (var timing = HotReload.Timing.Create(HotReload.Timing.HotReload_OnReload))
{
// Let HotReload handle reloading if this is a reload
if (HotReload.IsReloading)
{
HotReload.OnReload();
}
}
// Clear the hot-reload data store if it isn't cleared already
if (HotReload.Data != null)
{
HotReload.Data.Close();
HotReload.Data = null;
}
if (FBuild.WithEditor && reloading)
{
using (var timing = HotReload.Timing.Create(HotReload.Timing.UObject_CollectGarbage))
{
// If we are hotreloading collect garbage to clean up trashed types / reinstanced objects
UObject.CollectGarbage(GCHelper.GarbageCollectionKeepFlags, true);
}
if (!ManagedUnrealTypes.SkipBroadcastHotReload)
{
using (var timing = HotReload.Timing.Create(HotReload.Timing.SharpHotReloadUtils_BroadcastOnHotReload))
{
// Broadcast the native OnHotReload (if we don't do this we would need to reimplement various
// handlers to ensure correct reloading. One example is FBlueprintActionDatabase::ReloadAll
// which needs to be called otherwise the action database will hold onto our old class members
// and would produce erros when opening blueprints).
// true will show the C++ "Hot Reload Complete!" notification (are there any other differences?)
Native_SharpHotReloadUtils.BroadcastOnHotReload(true);
}
}
}
using (var timing = HotReload.Timing.Create(HotReload.Timing.GC_Collect))
{
// We likely created a bunch of garbage, best to clean it up now.
GC.Collect();
}
}