mirror of
https://github.com/aharabada/glitchy-engine-beef.git
synced 2026-09-05 21:01:52 +00:00
Start of using CoreCLR and automatic scriptglue generation
This commit is contained in:
Simon Lübeß
@@ -14,7 +14,10 @@ using GlitchyEngine.Editor;
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using GlitchyEngine.World.Components;
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using GlitchyEngine.Content;
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using GlitchyEngine.Renderer;
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using System.Diagnostics;
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using System.IO;
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using static GlitchyEngine.Renderer.Text.FontRenderer;
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using System.Linq;
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namespace GlitchyEngine.Scripting;
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@@ -39,22 +42,250 @@ class MessageOrigin
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}
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}
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struct RegisterCallAttribute : Attribute
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{
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public String MethodName;
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public this(String methodName)
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{
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MethodName = methodName;
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}
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}
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struct TypeTranslationTemplate
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{
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public String StartCode;
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public String EndCode;
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public String PrettyCSharpParamType;
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public this(String startCode, String endCode, String prettyCSharpParamType)
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{
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StartCode = startCode;
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EndCode = endCode;
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PrettyCSharpParamType = prettyCSharpParamType;
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}
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}
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[AttributeUsage(.Struct)]
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struct EngineFunctionsGeneratorAttribute : Attribute, IComptimeTypeApply
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{
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private static readonly Dictionary<String, String> BeefToCsharpTypeMap = new .()
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{
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("int32", "int"),
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("char16*", "char*"),
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("char8*", "byte*"),
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("GlitchyEngine.Events.MouseButton", "GlitchyEngine.MouseButton")
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};
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// {0}... Out name,
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// {1}... In name
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private static readonly Dictionary<String, TypeTranslationTemplate> BeefTypeToCSharpWrapperTemplate = new .()
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{
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("char8*", .("byte* {0} = (byte*)Marshal.StringToCoTaskMemUTF8({1});", "Marshal.FreeCoTaskMem((IntPtr){0});", "string")),
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("char16*", .("fixed (char* {0} = {1})\n{{", "}}", "string")),
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};
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private static readonly Dictionary<String, TypeTranslationTemplate> CSharpTypeToReturnValueTemplate = new .()
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{
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("void", .("", "", "void")),
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};
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private static String GetCSharpInterfaceType(String beefType)
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{
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if (BeefToCsharpTypeMap.TryGetValueAlt(beefType, let csharpType))
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{
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return csharpType;
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}
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return beefType;
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}
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private static TypeTranslationTemplate GetCSharpWrapperTemplate(String beefType)
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{
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if (BeefTypeToCSharpWrapperTemplate.TryGetValueAlt(beefType, let template))
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{
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return template;
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}
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return .("", "", GetCSharpInterfaceType(beefType));
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}
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private static TypeTranslationTemplate GetCSharpReturnValueTemplate(String beefType)
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{
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if (CSharpTypeToReturnValueTemplate.TryGetValueAlt(beefType, let template))
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{
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return template;
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}
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return .("var returnValue = ", "return returnValue;", GetCSharpInterfaceType(beefType));
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}
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private static void GenerateCSharpFunctionPointer(MethodInfo method, String outString)
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{
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String parameters = new String();
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for (int i < method.ParamCount)
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{
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if (i != 0)
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parameters.Append(", ");
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String typeHolder = scope String();
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method.GetParamType(i).ToString(typeHolder);
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StringView csharpType = GetCSharpInterfaceType(typeHolder);
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parameters.AppendF($"{csharpType}");
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}
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String csharpFunctionPointer = scope $" public delegate* unmanaged[Cdecl]<{parameters}{(parameters.IsEmpty ? "" : ", ")}{method.ReturnType}> {method.Name};\n";
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outString.Append(csharpFunctionPointer);
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}
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private static void GenerateCSharpWrapperMethod(MethodInfo method, String outString)
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{
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String wrapperParameters = new .();
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String callArguments = new .();
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String translation = new .();
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String cleanup = new .();
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for (int i < method.ParamCount)
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{
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String beefParameterType = scope String();
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method.GetParamType(i).ToString(beefParameterType);
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TypeTranslationTemplate template = GetCSharpWrapperTemplate(beefParameterType);
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StringView paramName = method.GetParamName(i);
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// Generate the parameter for the wrapper head.
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{
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if (i != 0)
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wrapperParameters.Append(", ");
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wrapperParameters.AppendF($"{template.PrettyCSharpParamType} {paramName}");
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}
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{
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if (i != 0)
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callArguments.Append(", ");
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String translatedParamName = new String(paramName);
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if (!template.StartCode.IsEmpty)
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{
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translatedParamName.Append("Converted");
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callArguments.AppendF($"{translatedParamName}");
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translation.AppendF(template.StartCode, translatedParamName, paramName);
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translation.Append('\n');
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}
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else
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{
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callArguments.AppendF($"{paramName}");
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}
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if (!template.EndCode.IsEmpty)
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{
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cleanup.AppendF(template.EndCode, translatedParamName, paramName);
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cleanup.Append('\n');
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}
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}
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}
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String returnTypeName = new .();
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method.ReturnType.ToString(returnTypeName);
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String csharpReturnType = GetCSharpInterfaceType(returnTypeName);
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TypeTranslationTemplate template = GetCSharpReturnValueTemplate(csharpReturnType);
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outString.AppendF($"""
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internal static unsafe {template.PrettyCSharpParamType} NEW_{method.Name}({wrapperParameters})
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{{
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{translation}
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{template.StartCode}_engineFunctions.{method.Name}({callArguments});
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{cleanup}
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{template.EndCode}
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}}
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""");
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}
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[Comptime]
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public void ApplyToType(Type self)
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{
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String csharpEngineFunctionsStruct = new String("""
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using System;
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using System.Runtime.InteropServices;
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using GlitchyEngine;
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using GlitchyEngine.Core;
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namespace GlitchyEngine;
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internal unsafe partial struct EngineFunctions
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{
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""");
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String csharpScriptGlue = new String("""
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internal static partial class ScriptGlue
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{
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""");
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for (MethodInfo methodInfo in typeof(ScriptGlue).GetMethods(.Static | .NonPublic))
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{
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if (methodInfo.GetCustomAttribute<RegisterCallAttribute>() case .Ok(let attribute))
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{
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String parameters = new String();
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for (int i < methodInfo.ParamCount)
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{
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if (i != 0)
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parameters.Append(", ");
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parameters.AppendF($"{methodInfo.GetParamType(i)}");
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}
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String line = scope $"public function {methodInfo.ReturnType}({parameters}) {methodInfo.Name};\n";
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Compiler.EmitTypeBody(self, line);
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GenerateCSharpFunctionPointer(methodInfo, csharpEngineFunctionsStruct);
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GenerateCSharpWrapperMethod(methodInfo, csharpScriptGlue);
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}
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}
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csharpEngineFunctionsStruct.Append('}');
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csharpScriptGlue.Append('}');
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csharpEngineFunctionsStruct.Append(csharpScriptGlue);
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if (File.WriteAllText("../ScriptCore/ScriptGlue.gen.cs", csharpEngineFunctionsStruct) case .Err)
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{
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Runtime.FatalError("Failed to write file");
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}
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}
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}
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[EngineFunctionsGenerator]
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struct EngineFunctions
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{
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}
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static class ScriptGlue
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{
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private static Dictionary<MonoType*, function void(Entity entityId)> s_AddComponentMethods = new .() ~ delete _;
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private static Dictionary<MonoType*, function bool(Entity entityId)> s_HasComponentMethods = new .() ~ delete _;
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private static Dictionary<MonoType*, function void(Entity entityId)> s_RemoveComponentMethods = new .() ~ delete _;
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struct RegisterCallAttribute : Attribute
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{
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public String MethodName;
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public this(String methodName)
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{
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MethodName = methodName;
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}
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}
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/* Adding this attribute to a method will log method entry and returned Result<T> errors */
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[AttributeUsage(.Method)]
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struct RegisterMethodAttribute : Attribute, IOnMethodInit
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@@ -62,27 +293,47 @@ static class ScriptGlue
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[Comptime]
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public void OnMethodInit(MethodInfo method, Self* prev)
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{
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String functionContent = new .();
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int i = 0;
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for (var methodInfo in typeof(ScriptGlue).GetMethods(.Static))
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{
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if (methodInfo.GetCustomAttribute<RegisterCallAttribute>() case .Ok(let attribute))
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{
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String functionType = scope $"{methodInfo.ReturnType}({methodInfo.GetParamsDecl(.. scope .())})";
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String line = scope $"RegisterCall<function {functionType}>(\"{attribute.MethodName}\", => {methodInfo.Name});\n";
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Compiler.EmitMethodEntry(method, line);
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functionContent.AppendF($"functions.{methodInfo.Name} = => {methodInfo.Name};\n");
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//functionContent.AppendF($"functions[{i}] = (void*)( => {methodInfo.Name});\n");
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i++;
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}
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}
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functionContent.Insert(0, scope $"EngineFunctions functions = .();\n");
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functionContent.Append("_setEngineFunctions(&functions);");
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Compiler.EmitMethodEntry(method, functionContent);
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}
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}
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public static Event<delegate void()> OnRegisterNativeCalls ~ _.Dispose();
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/*private function void SetEngineFunctions(EngineFunctions* engineFunctions);
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private static SetEngineFunctions _setEngineFunctions;*/
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private function void SetEngineFunctions(EngineFunctions* engineFunctions);
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private static SetEngineFunctions _setEngineFunctions;
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public static void Init()
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{
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if (_setEngineFunctions == null)
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{
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CoreClrHelper.GetFunctionPointerUnmanagedCallersOnly("GlitchyEngine.ScriptGlue, ScriptCore", "SetEngineFunctions", out _setEngineFunctions);
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}
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RegisterCalls();
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RegisterMathFunctions();
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//RegisterMathFunctions();
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}
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public static void RegisterManagedComponents()
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@@ -103,11 +354,18 @@ static class ScriptGlue
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RegisterComponent<MeshRendererComponent>("GlitchyEngine.Graphics.MeshRenderer");
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}
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[RegisterMethod]
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private static void RegisterCalls()
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{
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FillEngineFunctions();
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OnRegisterNativeCalls.Invoke();
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}
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[RegisterMethod]
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private static void FillEngineFunctions()
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{
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}
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private static void RegisterComponent<T>(StringView cSharpClassName = "") where T : struct, new
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{
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@@ -248,7 +506,7 @@ static class ScriptGlue
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#region Log
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[RegisterCall("ScriptGlue::Log_LogMessage")]
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/*[RegisterCall("ScriptGlue::Log_LogMessage")]
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static void Log_LogMessage(int32 logLevel, MonoString* message, MonoString* fileName, int lineNumber)
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{
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char8* utfMessage = Mono.mono_string_to_utf8(message);
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@@ -275,6 +533,30 @@ static class ScriptGlue
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}
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Mono.mono_free(utfMessage);
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}*/
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[RegisterCall("ScriptGlue::Log_LogMessage")]
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[CallingConvention(.Cdecl)]
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static void Log_LogMessage(int32 logLevel, char16* messagePtr, char16* fileNamePtr, int lineNumber)
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{
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String escapedMessage = new:ScopedAlloc! String(messagePtr);
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// Why exactly do we have to replace these? Can we get away without copying the string above?
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escapedMessage.Replace("{", "{{");
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escapedMessage.Replace("}", "}}");
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if (fileNamePtr != null)
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{
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String fileName = new:ScopedAlloc! String(fileNamePtr);
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MessageOrigin messageOrigin = scope MessageOrigin(fileName, lineNumber);
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Log.ClientLogger.Log((LogLevel)logLevel, escapedMessage, messageOrigin);
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}
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else
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{
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Log.ClientLogger.Log((LogLevel)logLevel, escapedMessage);
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}
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}
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[RegisterCall("ScriptGlue::Log_LogException")]
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@@ -457,8 +739,8 @@ static class ScriptGlue
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scriptComponent = entity.GetComponent<ScriptComponent>();
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}
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if (scriptComponent.Instance != null)
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ScriptEngine.Context.DestroyScriptDeferred(scriptComponent.Instance, false);
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//if (scriptComponent.Instance != null)
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// ScriptEngine.Context.DestroyScriptDeferred(scriptComponent.Instance, false);
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scriptComponent.Instance = null;
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@@ -470,7 +752,8 @@ static class ScriptGlue
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// TODO: this returns false, if no script with ScriptClassName exists, we have to handle this case correctly I think.
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ScriptEngine.InitializeInstance(entity, scriptComponent);
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return scriptComponent.Instance.MonoInstance;
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//return scriptComponent.Instance.MonoInstance;
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return null;
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}
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[RegisterCall("ScriptGlue::Entity_RemoveScript")]
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@@ -478,7 +761,7 @@ static class ScriptGlue
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{
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ScriptComponent* scriptComponent = GetComponentSafe<ScriptComponent>(entityId);
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ScriptEngine.Context.DestroyScriptDeferred(scriptComponent.Instance, true);
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//ScriptEngine.Context.DestroyScriptDeferred(scriptComponent.Instance, true);
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}
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[RegisterCall("ScriptGlue::Entity_GetName")]
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@@ -653,7 +936,7 @@ static class ScriptGlue
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}
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[Packed]
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struct AxisAngle
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public struct AxisAngle
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{
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public float3 Axis;
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public float Angle;
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@@ -1014,8 +1297,8 @@ static class ScriptGlue
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innerRadius = circleRenderer.InnerRadius;
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}
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[RegisterCall("ScriptGlue::CircleRenderer_GetInnerRadius")]
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static void CircleRenderer_GetInnerRadius(UUID entityId, float innerRadius)
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[RegisterCall("ScriptGlue::CircleRenderer_SetInnerRadius")]
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static void CircleRenderer_SetInnerRadius(UUID entityId, float innerRadius)
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{
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CircleRendererComponent* circleRenderer = GetComponentSafe<CircleRendererComponent>(entityId);
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circleRenderer.InnerRadius = innerRadius;
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@@ -1085,8 +1368,8 @@ static class ScriptGlue
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#region TextRenderer
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[RegisterCall("ScriptGlue::TextRenderer_SetIsRichText")]
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static bool TextRenderer_SetIsRichText(UUID entityId)
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[RegisterCall("ScriptGlue::TextRenderer_GetIsRichText")]
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static bool TextRenderer_GetIsRichText(UUID entityId)
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{
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return GetComponentSafe<TextRendererComponent>(entityId).IsRichText;
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}
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@@ -1419,7 +1702,7 @@ static class ScriptGlue
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}
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[RegisterCall("ScriptGlue::Asset_SetIdentifier")]
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static void Asset_GetIdentifier(UUID assetId, MonoString* text)
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static void Asset_SetIdentifier(UUID assetId, MonoString* text)
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{
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ThrowNotImplementedException("Asset.GetIdentifier is not implemented.");
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