87 lines
3.9 KiB
C#
87 lines
3.9 KiB
C#
using EpicGames.UHT.Types;
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using UnrealSharpScriptGenerator.Utilities;
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namespace UnrealSharpScriptGenerator.PropertyTranslators;
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public class MulticastDelegatePropertyTranslator : DelegateBasePropertyTranslator
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{
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public MulticastDelegatePropertyTranslator() : base(EPropertyUsageFlags.Property)
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{
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}
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private string GetBackingField(UhtProperty property)
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{
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return $"{property.SourceName}_BackingField";
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}
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public override bool CanExport(UhtProperty property)
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{
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UhtMulticastDelegateProperty multicastDelegateProperty = (UhtMulticastDelegateProperty) property;
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return ScriptGeneratorUtilities.CanExportParameters(multicastDelegateProperty.Function);
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}
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public override string GetManagedType(UhtProperty property)
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{
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UhtMulticastDelegateProperty multicastDelegateProperty = (UhtMulticastDelegateProperty) property;
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return $"TMulticastDelegate<{GetFullDelegateName(multicastDelegateProperty.Function)}>";
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}
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public override void ExportPropertyStaticConstructor(GeneratorStringBuilder builder, UhtProperty property, string nativePropertyName)
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{
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base.ExportPropertyStaticConstructor(builder, property, nativePropertyName);
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UhtMulticastDelegateProperty multicastDelegateProperty = (UhtMulticastDelegateProperty) property;
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if (multicastDelegateProperty.Function.HasParameters)
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{
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string fullDelegateName = GetFullDelegateName(((UhtMulticastDelegateProperty) property).Function, true);
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builder.AppendLine($"{fullDelegateName}.InitializeUnrealDelegate({nativePropertyName}_NativeProperty);");
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}
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}
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public override void ExportPropertyVariables(GeneratorStringBuilder builder, UhtProperty property, string propertyEngineName)
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{
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base.ExportPropertyVariables(builder, property, propertyEngineName);
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string backingField = GetBackingField(property);
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UhtMulticastDelegateProperty multicastDelegateProperty = (UhtMulticastDelegateProperty) property;
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string fullDelegateName = GetFullDelegateName(multicastDelegateProperty.Function);
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builder.AppendLine($"private TMulticastDelegate<{fullDelegateName}> {backingField};");
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}
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public override void ExportPropertySetter(GeneratorStringBuilder builder, UhtProperty property,
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string propertyManagedName)
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{
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string backingField = GetBackingField(property);
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UhtMulticastDelegateProperty multicastDelegateProperty = (UhtMulticastDelegateProperty) property;
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string fullDelegateName = GetFullDelegateName(multicastDelegateProperty.Function);
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builder.AppendLine($"if (value == {backingField})");
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builder.OpenBrace();
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builder.AppendLine("return;");
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builder.CloseBrace();
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builder.AppendLine($"{backingField} = value;");
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builder.AppendLine($"MulticastDelegateMarshaller<{fullDelegateName}>.ToNative(IntPtr.Add(NativeObject, {propertyManagedName}_Offset), 0, value);");
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}
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public override void ExportPropertyGetter(GeneratorStringBuilder builder, UhtProperty property, string propertyManagedName)
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{
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string backingField = GetBackingField(property);
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string propertyFieldName = GetNativePropertyField(propertyManagedName);
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UhtMulticastDelegateProperty multicastDelegateProperty = (UhtMulticastDelegateProperty) property;
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string fullDelegateName = GetFullDelegateName(multicastDelegateProperty.Function);
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builder.AppendLine($"if ({backingField} == null)");
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builder.OpenBrace();
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builder.AppendLine($"{backingField} = MulticastDelegateMarshaller<{fullDelegateName}>.FromNative(IntPtr.Add(NativeObject, {propertyManagedName}_Offset), {propertyFieldName}, 0);");
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builder.CloseBrace();
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builder.AppendLine($"return {backingField};");
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}
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public override string GetNullValue(UhtProperty property)
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{
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return "null";
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}
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} |