/// <summary>
/// returns our Guid
/// </summary>
/// <returns></returns>
public Guid GetGuid()
{
Guid result;
Native_UPackage.GetGuid(Address, out result);
return(result);
}
private static void SetAllMetaData(IntPtr obj, ManagedUnrealReflectionBase field, UMeta.Target target)
{
if (!FBuild.WithEditor || !metaDataEnabled || field == null || string.IsNullOrEmpty(field.Path))
{
return;
}
IntPtr outermost = Native_UObjectBaseUtility.GetOutermost(obj);
IntPtr metadata = outermost == IntPtr.Zero ? IntPtr.Zero : Native_UPackage.GetMetaData(outermost);
if (metadata == IntPtr.Zero)
{
return;
}
Dictionary <FName, string> values = null;
if (!metaDataMap.TryGetValue(field.Path.ToLower(), out values))
{
values = new Dictionary <FName, string>();
}
switch (target)
{
// Class / interface
case UMeta.Target.Class:
case UMeta.Target.Interface:
// See GetMetadataKeyword (Engine\Source\Programs\UnrealHeaderTool\Private\BaseParser.cpp)
// "NotBlueprintable" removes "NotBlueprintable" and adds "IsBlueprintBase=false"
// "Blueprintable" and adds "IsBlueprintBase=true"
// "BlueprintInternalUseOnly" adds "BlueprintType"
if (!values.ContainsKey(UMeta.GetKeyName(MDClass.IsBlueprintBase)))
{
if (values.ContainsKey(UMeta.GetKeyName(MDClass.Blueprintable)))
{
values[UMeta.GetKeyName(MDClass.IsBlueprintBase)] = "true";
}
else if (values.ContainsKey(UMeta.GetKeyName(MDClass.NotBlueprintable)))
{
values[UMeta.GetKeyName(MDClass.IsBlueprintBase)] = "false";
}
}
MetaDataMergeClassCategories(metadata, obj, values);
break;
}
SetMetaDataBlueprintability(values, target, field as ManagedUnrealTypeInfo);
using (TArrayUnsafe <FName> keysUnsafe = new TArrayUnsafe <FName>())
using (TArrayUnsafe <string> valuesUnsafe = new TArrayUnsafe <string>())
{
keysUnsafe.AddRange(values.Keys.ToArray());
valuesUnsafe.AddRange(values.Values.ToArray());
Native_UMetaData.SetObjectValues(metadata, obj, keysUnsafe.Address, valuesUnsafe.Address);
}
}
private IntPtr CreateProperty(IntPtr outer, PropertyInfo propertyInfo)
{
// Note that HeaderParser.cpp and UObjectGlobals.cpp use "new" instead of NewObject for creating properties
// KismetCompilerMisc.cpp uses NewObject
// The "new" initialization sets the offset and adds the property to the owner which in the case of UStruct
// does the following:
// void UStruct::AddCppProperty(UProperty* Property) { Property->Next = Children; Children = Property; }
USharpPathAttribute pathAttribute = propertyInfo.GetCustomAttribute <USharpPathAttribute>();
if (pathAttribute == null)
{
return(IntPtr.Zero);
}
string root, directory, moduleName, typeName, propertyName;
FPackageName.GetPathInfo(pathAttribute.Path, out root, out directory, out moduleName, out typeName, out propertyName);
if (string.IsNullOrEmpty(propertyName))
{
return(IntPtr.Zero);
}
IntPtr property = CreateProperty(outer, propertyInfo.PropertyType, propertyName, pathAttribute.PropertyType,
pathAttribute.InnerPropertyType1, pathAttribute.InnerPropertyType2);
if (property == IntPtr.Zero)
{
return(IntPtr.Zero);
}
if (FBuild.WithMetaData)
{
IntPtr outermost = Native_UObjectBaseUtility.GetOutermost(property);
IntPtr metadata = outermost == IntPtr.Zero ? IntPtr.Zero : Native_UPackage.GetMetaData(outermost);
if (metadata != IntPtr.Zero)
{
string categoryName = null;
//propertyInfo.GetCustomAttribute
if (string.IsNullOrEmpty(categoryName))
{
categoryName = "Default";
}
SetMetaData(metadata, property, "Category", categoryName);
}
}
return(property);
}
/// <summary>
/// Marks this package as being fully loaded.
/// </summary>
public void MarkAsFullyLoaded()
{
Native_UPackage.MarkAsFullyLoaded(Address);
}
/// <summary>
/// Wait for any SAVE_Async file writes to complete
/// </summary>
public static void WaitForAsyncFileWrites()
{
Native_UPackage.WaitForAsyncFileWrites();
}
/// <summary>
/// Gets the package flags.
/// </summary>
/// <returns>The package flags.</returns>
public EPackageFlags GetPackageFlags()
{
return(Native_UPackage.GetPackageFlags(Address));
}
/// <summary>
/// Used to safely check whether all of the passed in flags are set.
/// </summary>
/// <param name="flagsToCheck">Package flags to check for</param>
/// <returns>true if all of the passed in flags are set (including no flags passed in), false otherwise</returns>
public bool HasAllPackagesFlags(EPackageFlags flagsToCheck)
{
return(Native_UPackage.HasAllPackagesFlags(Address, flagsToCheck));
}
/// <summary>
/// Set the specified flags to false. Does not affect any other flags.
/// </summary>
/// <param name="newFlags">Package flags to disable</param>
public void ClearPackageFlags(EPackageFlags newFlags)
{
Native_UPackage.ClearPackageFlags(Address, newFlags);
}
/// <summary>
/// Set the specified flags to true. Does not affect any other flags.
/// </summary>
/// <param name="newFlags">Package flags to enable</param>
public void SetPackageFlags(EPackageFlags newFlags)
{
Native_UPackage.SetPackageFlags(Address, newFlags);
}
/// <summary>
/// Fully loads this package. Safe to call multiple times and won't clobber already loaded assets.
/// </summary>
public void FullyLoad()
{
Native_UPackage.FullyLoad(Address);
}
public static ManagedUnrealClass CreateClass(Type type)
{
ManagedUnrealClass existingClass = FindClass(type);
if (existingClass != null)
{
if (!FBuild.WithHotReload)
{
// TODO: Add support for hotreloading C# classes when WITH_HOT_RELOAD isn't available
// - WITH_HOT_RELOAD will be false on shipping, monolithic and server builds
// - Would need to make a copy of FHotReloadClassReinstancer (or just use it directly if
// it doesn't depend on WITH_HOT_RELOAD and gets compiled into builds)
// - Would likely break blueprint classes which depend on any C# classes reinstanced in this way
return(existingClass);
}
existingClass.Clear();
HotReloadClassCount++;
}
if (!type.IsSubclassOf(typeof(UObject)))
{
return(null);
}
USharpPathAttribute pathAttribute = type.GetCustomAttribute <USharpPathAttribute>();
if (pathAttribute == null || string.IsNullOrEmpty(pathAttribute.Path))
{
return(null);
}
IntPtr parentClass = GetStaticClass(type.BaseType);
if (parentClass == IntPtr.Zero)
{
return(null);
}
string root, directory, moduleName, className, memberName;
FPackageName.GetPathInfo(pathAttribute.Path, out root, out directory, out moduleName, out className, out memberName);
string packageName = "/" + root + "/" + directory;
if (string.IsNullOrEmpty(moduleName) || string.IsNullOrEmpty(className))
{
return(null);
}
IntPtr package = NativeReflection.FindObject(Native_UPackage.StaticClass(), IntPtr.Zero, packageName, true);
if (package == IntPtr.Zero)
{
package = NativeReflection.CreatePackage(IntPtr.Zero, packageName);
Native_UPackage.SetPackageFlags(package, EPackageFlags.CompiledIn);
// TODO: Find how to create a proper guid for a package (UHT CodeGenerator.cpp seems to use a crc of generated code)
using (System.Security.Cryptography.SHA256 sha256 = System.Security.Cryptography.SHA256.Create())
{
byte[] hash = sha256.ComputeHash(Encoding.ASCII.GetBytes(packageName));
// Truncate the hash
byte[] buffer = new byte[16];
Buffer.BlockCopy(hash, 0, buffer, 0, buffer.Length);
Native_UPackage.SetGuid(package, new Guid(buffer));
}
}
ManagedUnrealClass managedUnrealClass = null;
if (existingClass != null)
{
managedUnrealClass = existingClass;
}
else
{
managedUnrealClass = new ManagedUnrealClass(type, packageName, className, parentClass);
}
managedUnrealClass.StaticClass = USharpClass.CreateClassPtr(
managedUnrealClass.PackageName,
managedUnrealClass.ClassName,
(uint)Native_UStruct.GetPropertiesSize(managedUnrealClass.ParentClass),
EClassFlags.None,
EClassCastFlags.None,
managedUnrealClass.ConfigName,
managedUnrealClass.ParentClass,
managedUnrealClass.WithinClass,
managedUnrealClass.ClassConstructor,
managedUnrealClass.ClassVTableHelperCtorCaller,
managedUnrealClass.ClassAddReferencedObjects);
Native_UObjectBase.UObjectForceRegistration(managedUnrealClass.StaticClass);
if (existingClass == null)
{
Classes.Add(type, managedUnrealClass);
ClassesByAddress.Add(managedUnrealClass.StaticClass, managedUnrealClass);
}
managedUnrealClass.Initialize();
return(managedUnrealClass);
}