public override void SetMetaData(Dictionary <FName, string> metadata)
{
if (Flags.HasFlag(PropFlags.Instanced))
{
metadata[UMeta.GetKeyName(MDProp.EditInline)] = "true";
}
}
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 static void SetOrClearMetaDataClassCollection(MDClass key, Dictionary <FName, string> values, HashSet <string> collection)
{
if (collection.Count > 0)
{
values[UMeta.GetKeyName(key)] = string.Join(" ", collection);
}
else
{
values.Remove(UMeta.GetKeyName(key));
}
}
private static void SetMetaDataBlueprintability(Dictionary <FName, string> values, UMeta.Target target,
ManagedUnrealTypeInfo typeInfo)
{
ManagedUnrealVisibility.Type defaultTypeVisibility = ManagedUnrealVisibility.Type.None;
switch (target)
{
case UMeta.Target.Class:
defaultTypeVisibility = ManagedUnrealVisibility.Class;
break;
case UMeta.Target.Interface:
defaultTypeVisibility = ManagedUnrealVisibility.Interface;
break;
case UMeta.Target.Struct:
defaultTypeVisibility = ManagedUnrealVisibility.Struct;
break;
case UMeta.Target.Enum:
defaultTypeVisibility = ManagedUnrealVisibility.Enum;
break;
default:
return;
}
if (defaultTypeVisibility == ManagedUnrealVisibility.Type.None)
{
return;
}
// Use whatever state is in typeInfo if default state is enabled. It should have been resolved
// properly for our managed type (if the state was defined on a native type the default state config
// should have overridden it)
if (defaultTypeVisibility.HasFlag(ManagedUnrealVisibility.Type.BlueprintType))
{
if (typeInfo.AdditionalFlags.HasFlag(ManagedUnrealTypeInfoFlags.BlueprintTypeHierarchical))
{
values[UMeta.GetKeyName(MDClass.BlueprintType)] = "true";
values.Remove(UMeta.GetKeyName(MDClass.NotBlueprintType));
}
else
{
values[UMeta.GetKeyName(MDClass.NotBlueprintType)] = "true";
values.Remove(UMeta.GetKeyName(MDClass.BlueprintType));
}
}
if (defaultTypeVisibility.HasFlag(ManagedUnrealVisibility.Type.Blueprintable))
{
if (typeInfo.AdditionalFlags.HasFlag(ManagedUnrealTypeInfoFlags.BlueprintableHierarchical))
{
values[UMeta.GetKeyName(MDClass.Blueprintable)] = "true";
values[UMeta.GetKeyName(MDClass.IsBlueprintBase)] = "true";
values.Remove(UMeta.GetKeyName(MDClass.NotBlueprintable));
}
else
{
values[UMeta.GetKeyName(MDClass.NotBlueprintType)] = "true";
values[UMeta.GetKeyName(MDClass.IsBlueprintBase)] = "false";
values.Remove(UMeta.GetKeyName(MDClass.Blueprintable));
}
}
}
private static void MetaDataMergeClassCategories(IntPtr metadata, IntPtr obj, Dictionary <FName, string> values)
{
// Copying the logic in FClassDeclarationMetaData::MergeClassCategories
// Engine\Source\Programs\UnrealHeaderTool\Private\ClassDeclarationMetaData.cpp
// ShowFunctions HideFunctions
// HideCategories ShowCategories ShowSubCatgories
// AutoExpandCategories AutoCollapseCategories
// - How is ShowFunctions / HideFunctions used? Hiding a function doesn't seem to hide it from being
// visible in the actions list in Blueprint. If it isn't super important we could skip it.
// - ShowCategories / HideCategories is important
// Maybe cache these lists and clear them for each type
HashSet <string> showCategories = new HashSet <string>();
HashSet <string> hideCategories = new HashSet <string>();
HashSet <string> showSubCategories = new HashSet <string>();
HashSet <string> showFunctions = new HashSet <string>();
HashSet <string> hideFunctions = new HashSet <string>();
HashSet <string> autoExpandCategories = new HashSet <string>();
HashSet <string> autoCollapseCategories = new HashSet <string>();
HashSet <string> dontAutoCollapseCategories = new HashSet <string>();
HashSet <string> classGroupNames = new HashSet <string>();
GetMetaDataItems(UMeta.GetKeyName(MDClass.ShowCategories), values, showCategories);
GetMetaDataItems(UMeta.GetKeyName(MDClass.HideCategories), values, hideCategories);
GetMetaDataItems(UMeta.GetKeyName(MDClass.ShowFunctions), values, showFunctions);
GetMetaDataItems(UMeta.GetKeyName(MDClass.HideFunctions), values, hideFunctions);
GetMetaDataItems(UMeta.GetKeyName(MDClass.AutoExpandCategories), values, autoExpandCategories);
GetMetaDataItems(UMeta.GetKeyName(MDClass.AutoCollapseCategories), values, autoCollapseCategories);
GetMetaDataItems(UMeta.GetKeyName(MDClass.DontAutoCollapseCategories), values, dontAutoCollapseCategories);
GetMetaDataItems(UMeta.GetKeyName(MDClass.ClassGroupNames), values, classGroupNames);
IntPtr parentClass = Native_UClass.GetSuperClass(obj);
HashSet <string> parentHideCategories = new HashSet <string>();
HashSet <string> parentShowSubCatgories = new HashSet <string>();
HashSet <string> parentHideFunctions = new HashSet <string>();
HashSet <string> parentAutoExpandCategories = new HashSet <string>();
HashSet <string> parentAutoCollapseCategories = new HashSet <string>();
GetParentMetaDataItems(metadata, parentClass, UMeta.GetKeyName(MDClass.HideCategories), parentHideCategories);
GetParentMetaDataItems(metadata, parentClass, UMeta.GetKeyName(MDClass.ShowCategories), parentShowSubCatgories);
GetParentMetaDataItems(metadata, parentClass, UMeta.GetKeyName(MDClass.HideFunctions), parentHideFunctions);
GetParentMetaDataItems(metadata, parentClass, UMeta.GetKeyName(MDClass.AutoExpandCategories), parentAutoExpandCategories);
GetParentMetaDataItems(metadata, parentClass, UMeta.GetKeyName(MDClass.AutoCollapseCategories), parentAutoCollapseCategories);
// Add parent categories. We store the opposite of HideCategories and HideFunctions in a separate array anyway.
MetaDataMergeCollection(hideCategories, parentHideCategories);
MetaDataMergeCollection(showSubCategories, parentShowSubCatgories);
MetaDataMergeCollection(hideFunctions, parentHideFunctions);
MetaDataMergeShowCategories(showCategories, hideCategories, showSubCategories);
// Merge ShowFunctions and HideFunctions
foreach (string value in showFunctions)
{
hideFunctions.Remove(value);
}
//showFunctions.Clear();
// Merge DontAutoCollapseCategories and AutoCollapseCategories
foreach (string value in dontAutoCollapseCategories)
{
autoCollapseCategories.Remove(value);
}
//dontAutoCollapseCategories.Clear();
// The original function then merges ShowFunctions / HideFunctions again? (ShowFunctions will now be empty)
// Merge AutoExpandCategories and AutoCollapseCategories (we still want to keep AutoExpandCategories though!)
foreach (string value in autoExpandCategories)
{
autoCollapseCategories.Remove(value);
parentAutoCollapseCategories.Remove(value);
}
// Do the same as above but the other way around
foreach (string value in autoCollapseCategories)
{
autoExpandCategories.Remove(value);
parentAutoExpandCategories.Remove(value);
}
// Once AutoExpandCategories and AutoCollapseCategories for THIS class have been parsed, add the parent inherited categories
MetaDataMergeCollection(autoCollapseCategories, parentAutoCollapseCategories);
MetaDataMergeCollection(autoExpandCategories, parentAutoExpandCategories);
SetOrClearMetaDataClassCollection(MDClass.ClassGroupNames, values, classGroupNames);
SetOrClearMetaDataClassCollection(MDClass.AutoCollapseCategories, values, autoCollapseCategories);
SetOrClearMetaDataClassCollection(MDClass.HideCategories, values, hideCategories);
SetOrClearMetaDataClassCollection(MDClass.ShowCategories, values, showSubCategories);
SetOrClearMetaDataClassCollection(MDClass.HideFunctions, values, hideFunctions);
SetOrClearMetaDataClassCollection(MDClass.AutoExpandCategories, values, autoExpandCategories);
}
public override void SetMetaData(Dictionary <FName, string> metadata)
{
metadata[UMeta.GetKeyName(MDProp.ExposeOnSpawn)] = "true";
}
public override void SetMetaData(Dictionary <FName, string> metadata)
{
// HeaderParser.cpp just adds an empty string for tagged functions so this should be fine
metadata[UMeta.GetKeyName(MDFunc.BlueprintSetter)] = FunctionName;
}