Exemplo n.º 1
0
        internal static void OnReload()
        {
            GCHelperHotReloadData hotReloadData = HotReload.Data.Get <GCHelperHotReloadData>();

            if (hotReloadData != null)
            {
                foreach (FWeakObjectPtr weakObj in hotReloadData.Objects)
                {
                    if (weakObj.IsValid())
                    {
                        UObject obj = GCHelper.Find(weakObj.GetPtr());
                        if (obj != null)
                        {
                            obj.OnAssemblyReload();
                        }
                    }
                }
            }
        }
Exemplo n.º 2
0
        internal static void OnUnload()
        {
            // Call unload on all managed objects until there are no objects left to process

            // Find which types implement OnAssemblyUnload or OnAssemblyReload
            Dictionary <Type, bool> typesRequiringUnloadOrReload = new Dictionary <Type, bool>();

            List <IntPtr> allUnloadOrReloadReferences = new List <IntPtr>();

#if ARRAY_GC
            Dictionary <IntPtr, UObjectRef> references = new Dictionary <IntPtr, UObjectRef>();
            foreach (UObjectRef objRef in References)
            {
                if (objRef != null)
                {
                    references.Add(objRef.Native, objRef);
                }
            }
#else
            Dictionary <IntPtr, UObjectRef> references = new Dictionary <IntPtr, UObjectRef>(References);
#endif
            Dictionary <IntPtr, UObjectRef> newReferences = new Dictionary <IntPtr, UObjectRef>(references);
            while (newReferences.Count > 0)
            {
                foreach (KeyValuePair <IntPtr, UObjectRef> reference in newReferences)
                {
                    UObject obj = reference.Value.Managed;
                    if (obj != null && !obj.IsDestroyed)
                    {
                        bool requiresUnloadOrReload;
                        Type type = obj.GetType();
                        if (!typesRequiringUnloadOrReload.TryGetValue(type, out requiresUnloadOrReload))
                        {
                            MethodInfo unloadMethod = type.GetMethod("OnAssemblyUnload");
                            if (unloadMethod.DeclaringType != typeof(UObject))
                            {
                                requiresUnloadOrReload = true;
                            }
                            else
                            {
                                MethodInfo reloadMethod = type.GetMethod("OnAssemblyReload");
                                if (reloadMethod.DeclaringType != typeof(UObject))
                                {
                                    requiresUnloadOrReload = true;
                                }
                            }
                            typesRequiringUnloadOrReload.Add(type, requiresUnloadOrReload);
                        }

                        if (requiresUnloadOrReload)
                        {
                            reference.Value.Managed.OnAssemblyUnload();
                            allUnloadOrReloadReferences.Add(reference.Key);
                        }
                    }
                }
                newReferences.Clear();
#if ARRAY_GC
                foreach (UObjectRef objRef in References)
                {
                    if (objRef != null && !references.ContainsKey(objRef.Native))
                    {
                        references.Add(objRef.Native, objRef);
                        newReferences.Add(objRef.Native, objRef);
                    }
                }
#else
                foreach (KeyValuePair <IntPtr, UObjectRef> reference in References)
                {
                    if (!references.ContainsKey(reference.Key))
                    {
                        references.Add(reference.Key, reference.Value);
                        newReferences.Add(reference.Key, reference.Value);
                    }
                }
#endif
            }

            // Save all of the objects which we called OnAssemblyUnload on so that we can call
            // OnAssemblyReload when hotreload reloads.
            GCHelperHotReloadData hotReloadData = HotReload.Data.Create <GCHelperHotReloadData>();
            foreach (IntPtr address in allUnloadOrReloadReferences)
            {
                hotReloadData.Objects.Add(new FWeakObjectPtr(address));
            }

            Native_GCHelper.Clear();
        }