58 lines
2.0 KiB
C#
58 lines
2.0 KiB
C#
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using System;
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using EpicGames.UHT.Types;
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using UnrealSharpScriptGenerator.Utilities;
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namespace UnrealSharpScriptGenerator.PropertyTranslators;
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public class EnumPropertyTranslator : BlittableTypePropertyTranslator
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{
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public EnumPropertyTranslator() : base(typeof(UhtByteProperty), "", PropertyKind.Enum)
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{
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}
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public override bool CanExport(UhtProperty property)
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{
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return property is UhtEnumProperty or UhtByteProperty && GetEnum(property) != null;
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}
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public override string ConvertCPPDefaultValue(string defaultValue, UhtFunction function, UhtProperty parameter)
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{
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UhtEnum enumObj = GetEnum(parameter)!;
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int index = enumObj.GetIndexByName(defaultValue);
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string valueName = ScriptGeneratorUtilities.GetCleanEnumValueName(enumObj, enumObj.EnumValues[index]);
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return $"{GetManagedType(parameter)}.{valueName}";
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}
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public override string GetManagedType(UhtProperty property)
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{
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UhtEnum enumObj = GetEnum(property)!;
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return enumObj.GetFullManagedName();
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}
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public override string GetMarshaller(UhtProperty property)
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{
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return $"EnumMarshaller<{GetManagedType(property)}>";
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}
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public override void ExportCppDefaultParameterAsLocalVariable(GeneratorStringBuilder builder, string variableName, string defaultValue,
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UhtFunction function, UhtProperty paramProperty)
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{
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if (defaultValue.Contains("::"))
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{
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defaultValue = defaultValue.Substring(defaultValue.LastIndexOf("::") + 2);
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}
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string fullEnumName = GetManagedType(paramProperty);
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builder.AppendLine($"{fullEnumName} {variableName} = {fullEnumName}.{defaultValue};");
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}
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private static UhtEnum? GetEnum(UhtProperty property)
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{
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return property switch
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{
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UhtEnumProperty enumProperty => enumProperty.Enum,
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UhtByteProperty byteProperty => byteProperty.Enum,
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_ => throw new InvalidOperationException("Property is not an enum or byte property")
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};
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}
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}
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