60 lines
2.3 KiB
C#
60 lines
2.3 KiB
C#
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using EpicGames.Core;
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using EpicGames.UHT.Types;
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using UnrealSharpScriptGenerator.PropertyTranslators;
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using UnrealSharpScriptGenerator.Utilities;
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namespace UnrealSharpScriptGenerator.Exporters;
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public static class DelegateExporter
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{
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public static void ExportDelegate(UhtFunction function)
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{
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string delegateName = DelegateBasePropertyTranslator.GetDelegateName(function);
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string delegateNamespace = function.GetNamespace();
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GeneratorStringBuilder builder = new();
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builder.GenerateTypeSkeleton(delegateNamespace);
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builder.AppendLine();
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string superClass;
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if (function.HasAllFlags(EFunctionFlags.MulticastDelegate))
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{
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superClass = $"MulticastDelegate<{delegateName}>";
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}
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else
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{
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superClass = $"Delegate<{delegateName}>";
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}
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FunctionExporter functionExporter = FunctionExporter.ExportDelegateSignature(builder, function, delegateName);
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builder.DeclareType(function, "class", $"U{delegateName}", superClass);
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FunctionExporter.ExportDelegateGlue(builder, functionExporter);
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builder.AppendLine("static public void InitializeUnrealDelegate(IntPtr nativeDelegateProperty)");
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builder.OpenBrace();
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ExportDelegateFunctionStaticConstruction(builder, function);
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builder.CloseBrace();
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builder.CloseBrace();
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FileExporter.SaveGlueToDisk(function, builder);
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}
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private static void ExportDelegateFunctionStaticConstruction(GeneratorStringBuilder builder, UhtFunction function)
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{
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string delegateName = function.SourceName;
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builder.AppendLine($"{delegateName}_NativeFunction = FMulticastDelegatePropertyExporter.CallGetSignatureFunction(nativeDelegateProperty);");
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if (function.HasParameters)
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{
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builder.AppendLine($"{delegateName}_ParamsSize = {ExporterCallbacks.UFunctionCallbacks}.CallGetNativeFunctionParamsSize({delegateName}_NativeFunction);");
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}
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foreach (UhtProperty parameter in function.Properties)
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{
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PropertyTranslator propertyTranslator = PropertyTranslatorManager.GetTranslator(parameter)!;
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propertyTranslator.ExportParameterStaticConstructor(builder, parameter, function, parameter.SourceName, delegateName);
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}
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}
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}
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