private void GenerateCodeForEnum(UnrealModuleInfo module, UEnum unrealEnum)
{
UnrealModuleType moduleAssetType;
string currentNamespace = GetModuleNamespace(unrealEnum, out moduleAssetType);
List <string> namespaces = GetDefaultNamespaces();
CSharpTextBuilder builder = new CSharpTextBuilder(Settings.IndentType);
if (!string.IsNullOrEmpty(currentNamespace))
{
builder.AppendLine("namespace " + currentNamespace);
builder.OpenBrace();
}
GenerateCodeForEnum(module, builder, unrealEnum);
if (!string.IsNullOrEmpty(currentNamespace))
{
builder.CloseBrace();
}
builder.InsertNamespaces(currentNamespace, namespaces, Settings.SortNamespaces);
OnCodeGenerated(module, moduleAssetType, GetTypeName(unrealEnum), unrealEnum.GetPathName(), builder);
}
private bool IsBlueprintVisibleEnum(UEnum unrealEnum)
{
if (forceExportEnums.Contains(unrealEnum.GetPathName()))
{
return(true);
}
return(unrealEnum.GetBoolMetaData(MDEnum.BlueprintType));
}
/// <summary>
/// Finds or loads the UEnum for the given enum type
/// </summary>
/// <param name="type">The type of the enum</param>
/// <returns>The UEnum for the given enum type</returns>
public static UEnum ResolveEnum(Type type)
{
UEnum unrealEnum = GetEnum(type);
if (unrealEnum == null)
{
unrealEnum = LoadEnum(type);
}
return(unrealEnum);
}
private bool CanExportEnum(UEnum unrealEnum)
{
// Skip enums which are already defined in this project
if (projectDefinedTypes.ContainsKey(unrealEnum.GetPathName()))
{
return(false);
}
return(true);
}
/// <summary>
/// Finds or loads the UEnum for the given path (e.g. "/Script/CoreUObject.ESearchCase")
/// </summary>
/// <param name="path">The path of the UEnum</param>
/// <returns>The UEnum for the given path</returns>
public static UEnum ResolveEnum(string path)
{
UEnum unrealEnum = GetEnum(path);
if (unrealEnum == null)
{
unrealEnum = LoadEnum(path);
}
return(unrealEnum);
}
/// <summary>
/// Finds or loads the UEnum for the given enum type
/// </summary>
/// <typeparam name="T">The type of the enum</typeparam>
/// <returns>The UEnum for the given enum type</returns>
public static UEnum ResolveEnum <T>() where T : struct, IConvertible
{
UEnum unrealEnum = GetEnum <T>();
if (unrealEnum == null)
{
unrealEnum = LoadEnum <T>();
}
return(unrealEnum);
}
private void GenerateCodeForEnums(UnrealModuleInfo module, UEnum[] enums, bool combine)
{
if (enums.Length == 0)
{
return;
}
if (combine)
{
// Put all enums into a single file prefixed with the module name
string enumsName = module.Name + "Enums";
UnrealModuleType moduleAssetType;
string currentNamespace = GetModuleNamespace(enums[0], out moduleAssetType, false);
List <string> namespaces = GetDefaultNamespaces();
CSharpTextBuilder builder = new CSharpTextBuilder(Settings.IndentType);
if (!string.IsNullOrEmpty(currentNamespace))
{
builder.AppendLine("namespace " + currentNamespace);
builder.OpenBrace();
}
UEnum lastEnum = enums.Last();
foreach (UEnum unrealEnum in enums)
{
SlowTaskStep(unrealEnum);
GenerateCodeForEnum(module, builder, unrealEnum);
if (unrealEnum != lastEnum)
{
builder.AppendLine();
}
}
if (!string.IsNullOrEmpty(currentNamespace))
{
builder.CloseBrace();
}
builder.InsertNamespaces(currentNamespace, namespaces, Settings.SortNamespaces);
OnCodeGenerated(module, moduleAssetType, enumsName, null, builder);
}
else
{
foreach (UEnum unrealEnum in enums)
{
SlowTaskStep(unrealEnum);
GenerateCodeForEnum(module, unrealEnum);
}
}
}
private string GetEnumValueName(UEnum unrealEnum, int index)
{
string qualifiedValueName = unrealEnum.GetNameByIndex((byte)index).ToString();
int colonPos = qualifiedValueName.IndexOf("::");
string rawName = null;
if (colonPos >= 0)
{
rawName = qualifiedValueName.Substring(colonPos + 2);
}
else
{
rawName = qualifiedValueName;
}
return(rawName);
}
private string GetEnumValuePrefix(UEnum unrealEnum)
{
string enumPrefix;
if (enumValuePrefixCache.TryGetValue(unrealEnum.GetPathName(), out enumPrefix))
{
return(enumPrefix);
}
GetEnumValues(unrealEnum, false);
if (enumValuePrefixCache.TryGetValue(unrealEnum.GetPathName(), out enumPrefix))
{
return(enumPrefix);
}
return(null);
}
private string GetMarshalerFromProperty(UProperty property, List <string> namespaces, bool isFunction, bool fixedSizeArrayInnerMarshaler)
{
if (property.IsFixedSizeArray && !fixedSizeArrayInnerMarshaler)
{
if (IsOwnerClassOrStructAsClass(property))
{
return(GetTypeName(property, namespaces));
}
else
{
// Should expect either a UClass or a UScriptStruct. Fixed sized arrays aren't supported on functions in unreal.
System.Diagnostics.Debug.Assert(property.GetOwnerStruct().IsA <UScriptStruct>());
return(Names.TFixedSizeArrayMarshaler + "<" + GetTypeName(property, namespaces) + ">");
//// FixedSizeArrayMarshaler<int, BlittableTypeMarshaler<int>>
//return Names.FixedSizeArrayMarshaler + "<" + GetTypeName(property, namespaces) + ", " +
// GetMarshalerFromProperty(property, namespaces, isFunction, true) + ">";
}
}
UNumericProperty numericProperty = property as UNumericProperty;
if ((numericProperty != null && numericProperty.IsEnum && numericProperty.GetIntPropertyEnum() != null) ||
property.PropertyType == EPropertyType.Enum)
{
UEnum unrealEnum = null;
if (property.PropertyType == EPropertyType.Enum)
{
unrealEnum = (property as UEnumProperty).GetEnum();
}
else
{
unrealEnum = numericProperty.GetIntPropertyEnum();
}
return(Names.EnumMarshaler + "<" + GetTypeName(unrealEnum, namespaces) + ">");
}
string blittableTypeName = GetBlittablePropertyTypeName(property, namespaces);
if (!string.IsNullOrEmpty(blittableTypeName))
{
return(Names.BlittableTypeMarshaler + "<" + blittableTypeName + ">");
}
switch (property.PropertyType)
{
case EPropertyType.Bool:
return(Names.BoolMarshaler);
case EPropertyType.Str: return(Names.FStringMarshaler);
case EPropertyType.Text: return(Names.FTextMarshaler);
case EPropertyType.Struct:
{
UStruct unrealStruct = (property as UStructProperty).Struct;
if (IsClassOrStructAsClass(unrealStruct))
{
return(Names.StructAsClassMarshaler + "<" + GetTypeName(property, namespaces) + ">");
}
else
{
// Normal structs use their own type name and have static FromNative/ToNative methods
return(GetTypeName(property, namespaces));
}
}
case EPropertyType.Delegate:
{
string delegateTypeName = GetTypeName(property, namespaces);
return(Names.FDelegateMarshaler + "<" + delegateTypeName + ">");
}
case EPropertyType.MulticastDelegate:
{
string delegateTypeName = GetTypeName(property, namespaces);
return(Names.FMulticastDelegateMarshaler + "<" + delegateTypeName + ">");
}
case EPropertyType.Array:
{
string arrayMarshalerName = Names.TArrayReadWriteMarshaler;
if (IsOwnerClassOrStructAsClass(property))
{
if (property.HasAnyPropertyFlags(EPropertyFlags.BlueprintReadOnly))
{
arrayMarshalerName = Names.TArrayReadOnlyMarshaler;
}
}
else
{
arrayMarshalerName = Names.TArrayCopyMarshaler;
}
UArrayProperty arrayProperty = property as UArrayProperty;
return(arrayMarshalerName + "<" + GetTypeName(arrayProperty.Inner, namespaces) + ">");
}
case EPropertyType.Set:
{
string setMarshalerName = Names.TSetReadWriteMarshaler;
if (IsOwnerClassOrStructAsClass(property))
{
if (property.HasAnyPropertyFlags(EPropertyFlags.BlueprintReadOnly))
{
setMarshalerName = Names.TSetReadOnlyMarshaler;
}
}
else
{
setMarshalerName = Names.TSetCopyMarshaler;
}
USetProperty setProperty = property as USetProperty;
return(setMarshalerName + "<" + GetTypeName(setProperty.ElementProp, namespaces) + ">");
}
case EPropertyType.Map:
{
string mapMarshalerName = Names.TMapReadWriteMarshaler;
if (IsOwnerClassOrStructAsClass(property))
{
if (property.HasAnyPropertyFlags(EPropertyFlags.BlueprintReadOnly))
{
mapMarshalerName = Names.TMapReadOnlyMarshaler;
}
}
else
{
mapMarshalerName = Names.TMapCopyMarshaler;
}
UMapProperty mapProperty = property as UMapProperty;
return(mapMarshalerName + "<" + GetTypeName(mapProperty.KeyProp, namespaces) + ", " +
GetTypeName(mapProperty.ValueProp, namespaces) + ">");
}
case EPropertyType.Class:
{
UClass targetClass = (property as UClassProperty).MetaClass;
string subclassOfMarshalerName = null;
if (targetClass.ClassFlags.HasFlag(EClassFlags.Interface))
{
subclassOfMarshalerName = Names.TSubclassOfInterfaceMarshaler;
}
else
{
subclassOfMarshalerName = Names.TSubclassOfMarshaler;
}
return(subclassOfMarshalerName + "<" + GetTypeName(targetClass, namespaces) + ">");
}
case EPropertyType.Interface: return(Names.InterfaceMarshaler + "<" + GetTypeName((property as UInterfaceProperty).InterfaceClass, namespaces) + ">");
case EPropertyType.Object: return(Names.UObjectMarshaler + "<" + GetTypeName((property as UObjectProperty).PropertyClass, namespaces) + ">");
case EPropertyType.WeakObject: return(Names.TWeakObjectMarshaler + "<" + GetTypeName((property as UWeakObjectProperty).PropertyClass, namespaces) + ">");
case EPropertyType.LazyObject: return(Names.TLazyObjectMarshaler + "<" + GetTypeName((property as ULazyObjectProperty).PropertyClass, namespaces) + ">");
case EPropertyType.SoftClass: return(Names.TSoftClassMarshaler + "<" + GetTypeName((property as USoftClassProperty).MetaClass, namespaces) + ">");
case EPropertyType.SoftObject: return(Names.TSoftObjectMarshaler + "<" + GetTypeName((property as USoftObjectProperty).PropertyClass, namespaces) + ">");
default: return(null);
}
}
private List <EnumValueInfo> GetEnumValues(UEnum unrealEnum, bool getDocumentation)
{
int valueCount = unrealEnum.NumEnums();
bool isBlueprintEnum = unrealEnum.IsA <UUserDefinedEnum>();
List <EnumValueInfo> enumValues = new List <EnumValueInfo>(valueCount);
// Try to identify a common prefix of the form PRE_, so we can strip it from all values.
// We'll only strip it if it's present on all values not explicitly skipped.
string commonPrefix = null;
int commonPrefixCount = 0;
int skippedValueCount = 0;
int numMax = 0;
if (Settings.RemoveEnumMAX)
{
// Skip all ending "MAX" values (Some enums have duplicate MAX (DORN_MAX / ENetDormancy_MAX))
for (int i = valueCount - 1; i >= 0; --i)
{
string rawName = GetEnumValueName(unrealEnum, i);
// Using case sensitive here to avoid removing genuine "Max" values (still may be removing genuine "MAX" values)
if (rawName.EndsWith("MAX"))
{
++numMax;
++skippedValueCount;
// Duplicate MAX should be "XXX_MAX" for last value and "MAX" for second to last value
if (i < valueCount - 1 || !rawName.EndsWith("_MAX"))
{
break;
}
}
else
{
break;
}
}
}
//if (numMax > 1)
//{
// FMessage.Log("Duplicate MAX in enum " + unrealEnum.GetPathName());
//}
for (int i = 0; i < valueCount - numMax; ++i)
{
string rawName = GetEnumValueName(unrealEnum, i);
EnumValueInfo enumValue = new EnumValueInfo();
enumValue.Index = i;
enumValue.Value = unrealEnum.GetValueByIndex(i);
enumValue.Name = rawName;
enumValue.DisplayName = MakeValidName(unrealEnum.GetDisplayNameTextStringByIndex(i));
if (getDocumentation)
{
enumValue.DocCommentSummary = unrealEnum.GetToolTipByIndex(i);
}
enumValues.Add(enumValue);
// We can skip all of the common prefix checks for enums that are already namespaced in C++.
// In the cases where a namespaced enum does have a common prefix for its values, it doesn't
// match the PRE_* pattern, and it's generally necessary for syntactic reasons,
// i.e. Touch1, Touch2, and so on in ETouchIndex.
if (unrealEnum.GetCppForm() == UEnum.ECppForm.Regular)
{
// A handful of enums have bad values named this way in C++.
if (rawName.StartsWith("TEMP_BROKEN"))
{
++skippedValueCount;
}
// UHT inserts spacers for sparse enums. Since we're omitting the _MAX value, we'll
// still export these to ensure that C# reflection gives an accurate value count, but
// don't hold them against the common prefix count.
else if (rawName.StartsWith("UnusedSpacer_"))
{
++skippedValueCount;
}
// Infer the prefix from the first unskipped value.
else if (string.IsNullOrEmpty(commonPrefix))
{
int underscorePos = rawName.IndexOf("_");
if (underscorePos >= 0)
{
commonPrefix = rawName.Substring(0, underscorePos + 1);
++commonPrefixCount;
}
}
else if (rawName.StartsWith(commonPrefix))
{
++commonPrefixCount;
}
}
}
if (valueCount != (commonPrefixCount + skippedValueCount))
{
//if (!string.IsNullOrEmpty(commonPrefix))
//{
// FMessage.Log(string.Format("Rejecting common prefix '{0}' for '{1}' ({2}). ValueCount={3}, CommonPrefixCount={4}, SkippedValueCount={5}",
// commonPrefix, unrealEnum.GetName(), unrealEnum.GetFName().DisplayIndex, valueCount, commonPrefixCount, skippedValueCount));
//}
commonPrefix = null;
}
foreach (EnumValueInfo enumValue in enumValues)
{
if (!string.IsNullOrEmpty(commonPrefix))
{
enumValue.Name = enumValue.Name.RemoveFromStart(commonPrefix);
}
//one enum has a member called "float" which isn't valid in C#. That said, C# enum values should be PascalCase anyway, so just uppercase it.
if (char.IsLower(enumValue.Name[0]))
{
enumValue.Name = char.ToUpperInvariant(enumValue.Name[0]) + enumValue.Name.Substring(1);
}
if (char.IsDigit(enumValue.Name[0]))
{
enumValue.Name = "_" + enumValue.Name;
}
}
// Update the enum prefix cache for lookup with default function params
enumValuePrefixCache[unrealEnum.GetPathName()] = commonPrefix;
return(enumValues);
}
private void AppendAttribute(CSharpTextBuilder builder, UField field, UnrealModuleInfo module, bool isCollapsedMember)
{
UnrealModuleType moduleType;
UnrealModuleType moduleAssetType;
string moduleName = GetModuleName(field, out moduleType, out moduleAssetType);
if (string.IsNullOrEmpty(moduleName))
{
moduleName = module.Name;
}
List <string> attributes = new List <string>();
// TODO: Combine all of this into EPropertyType (add some TypeCode into UField?)
bool isInterface = false;
UEnum unrealEnum = field as UEnum;
UClass unrealClass = field as UClass;
UScriptStruct unrealStruct = field as UScriptStruct;
UFunction unrealFunction = field as UFunction;
if (unrealFunction != null)
{
if (unrealFunction.HasAnyFunctionFlags(EFunctionFlags.Delegate))
{
attributes.Add("UDelegate");
}
else
{
string additionalFunctionInfo = string.Empty;
// TODO: Only get the script name for virtual functions / interface functions as we currently only need
// this for finding the base function for hooking things up to the native base types.
string scriptFunctionName;
if (unrealFunction.GetScriptName(out scriptFunctionName))
{
additionalFunctionInfo += ", OriginalName=\"" + unrealFunction.GetName() + "\"";
}
if (isCollapsedMember)
{
// The Flags here might not contain too useful information if there is both a get/set function.
// Maybe include a second flags var?
attributes.Add("UFunctionAsProp(Flags=0x" + ((uint)unrealFunction.FunctionFlags).ToString("X8") + additionalFunctionInfo + ")");
}
else
{
attributes.Add("UFunction(Flags=0x" + ((uint)unrealFunction.FunctionFlags).ToString("X8") + additionalFunctionInfo + ")");
}
}
}
UProperty unrealProperty = field as UProperty;
if (unrealProperty != null)
{
attributes.Add("UProperty(Flags=(PropFlags)0x" + ((ulong)unrealProperty.PropertyFlags).ToString("X16") + ")");
}
if (unrealStruct != null)
{
attributes.Add("UStruct(Flags=0x" + ((uint)unrealStruct.StructFlags).ToString("X8") + ")");
}
else if (unrealClass != null)
{
// Abstract isn't really required but might help with code browsing to know what is abstract
// and what isn't. Therefore put it at the start of the attributes list.
if (unrealClass.HasAnyClassFlags(EClassFlags.Abstract))
{
attributes.Add("Abstract");
}
isInterface = unrealClass.IsChildOf <UInterface>();
if (isInterface)
{
attributes.Add("UInterface(Flags=0x" + ((uint)unrealClass.ClassFlags).ToString("X8") + ")");
}
else
{
attributes.Add("UClass(Flags=(ClassFlags)0x" + ((uint)unrealClass.ClassFlags).ToString("X8") + ")");
}
}
if (unrealEnum != null)
{
attributes.Add("UEnum");
}
if (unrealEnum != null || unrealClass != null || unrealStruct != null)
{
bool blueprintType = false;
bool blueprintable = false;
if (unrealEnum != null)
{
blueprintType = field.GetBoolMetaData(MDClass.BlueprintType);
}
else
{
GetBlueprintability(field as UStruct, out blueprintType, out blueprintable);
}
if (blueprintType)
{
attributes.Add(UMeta.GetKey(MDClass.BlueprintType));
}
if (unrealClass != null && blueprintable)
{
attributes.Add(UMeta.GetKey(MDClass.Blueprintable));
}
attributes.Add("UMetaPath(\"" + field.GetPathName() + "\"" +
(isInterface ? ", InterfaceImpl=typeof(" + GetTypeName(unrealClass, null) + "Impl" + ")" : string.Empty) + ")");
}
else
{
attributes.Add("UMetaPath(\"" + field.GetPathName() + "\")");
}
if (attributes.Count > 0)
{
builder.AppendLine("[" + string.Join(", ", attributes) + "]");
}
}
private void GenerateCodeForEnum(UnrealModuleInfo module, CSharpTextBuilder builder, UEnum unrealEnum)
{
bool isBlueprintType = unrealEnum.IsA <UUserDefinedEnum>();
AppendDocComment(builder, unrealEnum, isBlueprintType);
AppendAttribute(builder, unrealEnum, module);
// Set the underlying enum type if this enum is tagged as a BlueprintType
string enumUnderlyingType = string.Empty;
if (unrealEnum.HasMetaData(MDEnum.BlueprintType))
{
enumUnderlyingType = " : byte";
}
builder.AppendLine("public enum " + GetTypeName(unrealEnum) + enumUnderlyingType);
builder.OpenBrace();
// TODO: Blueprint value bitflags
// According to issue UE-32816 "enum values are currently assumed to be flag indices and not actual flag mask values"
List <EnumValueInfo> enumValues = GetEnumValues(unrealEnum, true);
int lastEnumIndex = enumValues.Count;
foreach (EnumValueInfo enumValue in enumValues)
{
AppendDocComment(builder, enumValue.DocCommentSummary);
if (isBlueprintType)
{
builder.AppendLine("[EnumValueName(\"" + enumValue.Name + "\")]");
}
builder.AppendLine(string.Format("{0}={1}{2}",
isBlueprintType ? enumValue.DisplayName : enumValue.Name,
enumValue.Value,
--lastEnumIndex > 0 ? "," : string.Empty));
}
builder.CloseBrace();
}
private bool IsBlueprintVisibleEnum(UEnum unrealEnum)
{
return(unrealEnum.GetBoolMetaData(MDEnum.BlueprintType));
}
/// <summary>
/// Set the UEnum of this property.
/// Note: May only be called once to lazily initialize the property when using the default constructor.
/// </summary>
/// <param name="unrealEnum"></param>
public void SetEnum(UEnum unrealEnum)
{
Native_UEnumProperty.SetEnum(Address, unrealEnum == null ? IntPtr.Zero : unrealEnum.Address);
}
private void AppendAttribute(CSharpTextBuilder builder, UField field, UnrealModuleInfo module, bool isCollapsedMember)
{
UnrealModuleType moduleType;
UnrealModuleType moduleAssetType;
string moduleName = GetModuleName(field, out moduleType, out moduleAssetType);
if (string.IsNullOrEmpty(moduleName))
{
moduleName = module.Name;
}
List <string> attributes = new List <string>();
// TODO: Combine all of this into EPropertyType (add some TypeCode into UField?)
bool isInterface = false;
UEnum unrealEnum = field as UEnum;
UClass unrealClass = field as UClass;
UScriptStruct unrealStruct = field as UScriptStruct;
UFunction unrealFunction = field as UFunction;
if (unrealFunction != null)
{
if (unrealFunction.HasAnyFunctionFlags(EFunctionFlags.Delegate))
{
attributes.Add("UDelegate");
}
else
{
if (isCollapsedMember)
{
// The Flags here might not contain too useful information if there is both a get/set function.
// Maybe include a second flags var?
attributes.Add("UFunctionAsProp(Flags=0x" + ((uint)unrealFunction.FunctionFlags).ToString("X8") + ")");
}
else
{
attributes.Add("UFunction(Flags=0x" + ((uint)unrealFunction.FunctionFlags).ToString("X8") + ")");
}
}
}
UProperty unrealProperty = field as UProperty;
if (unrealProperty != null)
{
attributes.Add("UProperty(Flags=(PropFlags)0x" + ((ulong)unrealProperty.PropertyFlags).ToString("X16") + ")");
}
if (unrealStruct != null)
{
attributes.Add("UStruct(Flags=0x" + ((uint)unrealStruct.StructFlags).ToString("X8") + ")");
}
else if (unrealClass != null)
{
// Abstract isn't really required but might help with code browsing to know what is abstract
// and what isn't. Therefore put it at the start of the attributes list.
if (unrealClass.HasAnyClassFlags(EClassFlags.Abstract))
{
attributes.Add("Abstract");
}
isInterface = unrealClass.IsChildOf <UInterface>();
if (isInterface)
{
attributes.Add("UInterface(Flags=0x" + ((uint)unrealClass.ClassFlags).ToString("X8") + ")");
}
else
{
// Should we skip "inherit" config name?
string configNameStr = string.Empty;
if (unrealClass.ClassConfigName != FName.None &&
!unrealClass.ClassConfigName.ToString().Equals("inherit", StringComparison.InvariantCultureIgnoreCase))
{
configNameStr = ", Config=\"" + unrealClass.ClassConfigName + "\"";
}
attributes.Add("UClass(Flags=(ClassFlags)0x" + ((uint)unrealClass.ClassFlags).ToString("X8") +
configNameStr + ")");
}
}
if (unrealEnum != null)
{
attributes.Add("UEnum");
}
if (unrealEnum != null || unrealClass != null || unrealStruct != null)
{
bool blueprintType = false;
bool blueprintable = false;
if (unrealEnum != null)
{
blueprintType = field.GetBoolMetaData(MDClass.BlueprintType);
}
else
{
GetBlueprintability(field as UStruct, out blueprintType, out blueprintable);
}
if (blueprintType)
{
attributes.Add(UMeta.GetKey(MDClass.BlueprintType));
}
if (unrealClass != null && blueprintable)
{
attributes.Add(UMeta.GetKey(MDClass.Blueprintable));
}
if (isInterface)
{
}
attributes.Add("UMetaPath(\"" + field.GetPathName() + "\", \"" + moduleName +
"\", UnrealModuleType." + GetUnrealModuleTypeString(moduleType, moduleAssetType) +
(isInterface ? ", InterfaceImpl=typeof(" + GetTypeName(unrealClass, null) + "Impl" + ")" : string.Empty) + ")");
}
else
{
attributes.Add("UMetaPath(\"" + field.GetPathName() + "\")");
}
if (attributes.Count > 0)
{
builder.AppendLine("[" + string.Join(", ", attributes) + "]");
}
}
private bool CanExportEnum(UEnum unrealEnum)
{
return(true);
}
// Move this somewhere else? Where would this be more appropriate?
public static Type GetTypeFromProperty(UProperty prop)
{
if (prop == null)
{
return(null);
}
switch (prop.PropertyType)
{
case EPropertyType.Bool:
return(typeof(bool));
case EPropertyType.Int8:
return(typeof(sbyte));
case EPropertyType.Byte:
return(typeof(byte));
case EPropertyType.Int16:
return(typeof(short));
case EPropertyType.UInt16:
return(typeof(ushort));
case EPropertyType.Int:
return(typeof(int));
case EPropertyType.UInt32:
return(typeof(uint));
case EPropertyType.Int64:
return(typeof(long));
case EPropertyType.UInt64:
return(typeof(ulong));
case EPropertyType.Float:
return(typeof(float));
case EPropertyType.Double:
return(typeof(double));
case EPropertyType.Enum:
{
UEnum unrealEnum = (prop as UEnumProperty).GetEnum();
if (unrealEnum == null)
{
return(null);
}
Type enumType;
ManagedUnrealModuleInfo.AllKnownUnrealTypes.TryGetValue(unrealEnum.GetPathName(), out enumType);
return(enumType);
}
case EPropertyType.Str:
return(typeof(string));
case EPropertyType.Name:
return(typeof(FName));
case EPropertyType.Text:
return(typeof(FText));
case EPropertyType.Interface:
{
UClass unrealClassInterface = (prop as UInterfaceProperty).InterfaceClass;
if (unrealClassInterface == null)
{
return(null);
}
Type interfaceType;
ManagedUnrealModuleInfo.AllKnownUnrealTypes.TryGetValue(unrealClassInterface.GetPathName(), out interfaceType);
return(interfaceType);
}
case EPropertyType.Struct:
{
UScriptStruct unrealStruct = (prop as UStructProperty).Struct;
if (unrealStruct == null)
{
return(null);
}
Type structType;
ManagedUnrealModuleInfo.AllKnownUnrealTypes.TryGetValue(unrealStruct.GetPathName(), out structType);
return(structType);
}
case EPropertyType.Class:
case EPropertyType.Object:
case EPropertyType.LazyObject:
case EPropertyType.WeakObject:
case EPropertyType.SoftClass:
case EPropertyType.SoftObject:
{
UClass objectClass = (prop as UObjectPropertyBase).PropertyClass;
switch (prop.PropertyType)
{
case EPropertyType.Class:
objectClass = (prop as UClassProperty).MetaClass;
break;
case EPropertyType.SoftClass:
objectClass = (prop as USoftClassProperty).MetaClass;
break;
}
Type type = null;
if (objectClass != null)
{
// Could use UClass.GetType but using AllKnownUnrealTypes for slightly more coverage
// UClass.GetType(objectClass)
ManagedUnrealModuleInfo.AllKnownUnrealTypes.TryGetValue(objectClass.GetPathName(), out type);
}
if (type == null)
{
//classType = typeof(UObject);// Fall back to UObject? Return null?
return(null);
}
switch (prop.PropertyType)
{
case EPropertyType.Class: return(typeof(TSubclassOf <>).MakeGenericType(type));
case EPropertyType.LazyObject: return(typeof(TLazyObject <>).MakeGenericType(type));
case EPropertyType.WeakObject: return(typeof(TWeakObject <>).MakeGenericType(type));
case EPropertyType.SoftClass: return(typeof(TSoftClass <>).MakeGenericType(type));
case EPropertyType.SoftObject: return(typeof(TSoftObject <>).MakeGenericType(type));
case EPropertyType.Object: return(type);
}
return(type);
}
case EPropertyType.Delegate:
case EPropertyType.MulticastDelegate:
Type delegateType = null;
UFunction signatureFunc = null;
if (prop.PropertyType == EPropertyType.Delegate)
{
signatureFunc = (prop as UDelegateProperty).SignatureFunction;
}
else if (prop.PropertyType == EPropertyType.MulticastDelegate)
{
signatureFunc = (prop as UMulticastDelegateProperty).SignatureFunction;
}
if (signatureFunc != null)
{
if (ManagedUnrealModuleInfo.AllKnownUnrealTypes.TryGetValue(signatureFunc.GetPathName(), out delegateType))
{
if (prop.PropertyType == EPropertyType.Delegate)
{
if (!delegateType.IsSameOrSubclassOfGeneric(typeof(FDelegate <>)))
{
delegateType = null;
}
}
else if (prop.PropertyType == EPropertyType.MulticastDelegate)
{
if (!delegateType.IsSameOrSubclassOfGeneric(typeof(FMulticastDelegate <>)))
{
delegateType = null;
}
}
}
}
return(delegateType);
case EPropertyType.Array:
{
UArrayProperty arrayProp = prop as UArrayProperty;
Type innerType = GetTypeFromProperty(arrayProp.Inner);
if (innerType != null)
{
// Possibly handle IReadOnlyList?
return(typeof(IList <>).MakeGenericType(innerType));
}
return(null);
}
case EPropertyType.Set:
{
USetProperty setProp = prop as USetProperty;
Type innerType = GetTypeFromProperty(setProp.ElementProp);
if (innerType != null)
{
return(typeof(ISet <>).MakeGenericType(innerType));
}
return(null);
}
case EPropertyType.Map:
{
UMapProperty mapProp = prop as UMapProperty;
Type keyType = GetTypeFromProperty(mapProp.KeyProp);
Type valueType = GetTypeFromProperty(mapProp.ValueProp);
if (keyType != null && valueType != null)
{
// Possibly handle IReadOnlyDictionary?
return(typeof(IDictionary <,>).MakeGenericType(keyType, valueType));
}
return(null);
}
}
return(null);
}
/// <summary>
/// Gets the UClass for the given type
/// </summary>
/// <param name="type">The type</param>
/// <returns>The UClass for the given type</returns>
public static UClass GetClass(Type type)
{
UClass result = null;
if (classes.TryGetValue(type, out result))
{
return(result);
}
if (type.IsEnum || type.IsValueType || typeof(IDelegateBase).IsAssignableFrom(type))
{
// Find the top-most UClass (UUserDefinedEnum, UEnum, UUserDefinedStruct, UUserStruct, etc)
// NOTE: This wont contain any useful information about the actual type itself
IntPtr address = IntPtr.Zero;
if (type.IsEnum)
{
address = UEnum.GetEnumAddress(type);
}
else if (type.IsValueType)
{
address = UScriptStruct.GetStructAddress(type);
}
else
{
address = UFunction.GetDelegateSignatureAddress(type);
}
if (address != IntPtr.Zero)
{
return(GetClass(address));
}
return(null);
}
if (!type.IsSameOrSubclassOf(typeof(UObject)) &&
(!type.IsInterface || !typeof(IInterface).IsAssignableFrom(type)) || type == typeof(IInterface))
{
return(null);
}
if (seenClasses.Contains(type))
{
// Note: GetModuleCount uses a lock
// TODO: Find some multicast delegate which is called when a module is loaded or a new class type is created.
// - FModuleManager::Get().OnProcessLoadedObjectsCallback
if (FModuleManager.Get().GetModuleCount() != lastModuleCount)
{
seenClasses.Clear();
}
else
{
return(null);
}
}
if (!seenClasses.Contains(type))
{
seenClasses.Add(type);
UMetaPathAttribute pathAttribute;
if (UnrealTypes.Native.TryGetValue(type, out pathAttribute))
{
IntPtr classAddress = GetClassAddress(pathAttribute.Path);
if (classAddress == IntPtr.Zero)
{
// Fallback if this class isn't loaded yet. TODO: Check if this is the correct method to call.
classAddress = NativeReflection.LoadObject(Classes.UClass, IntPtr.Zero, pathAttribute.Path);
}
if (classAddress != IntPtr.Zero)
{
UClass unrealClass = GCHelper.Find <UClass>(classAddress);
if (unrealClass != null)
{
classesByAddress[classAddress] = type;
classes[type] = unrealClass;
return(unrealClass);
}
}
}
}
return(null);
}
