private void OnGenerateCppScriptWrapperFunction(Builder.BuildData buildData, ClassInfo classInfo, FunctionInfo functionInfo, int scriptVTableSize, int scriptVTableIndex, StringBuilder contents)
{
// Generate C++ wrapper function to invoke Visual Script instead of overriden native function (with support for base method callback)
BindingsGenerator.CppIncludeFiles.Add("Engine/Content/Assets/VisualScript.h");
contents.AppendFormat(" {0} {1}_VisualScriptWrapper(", functionInfo.ReturnType, functionInfo.UniqueName);
var separator = false;
for (var i = 0; i < functionInfo.Parameters.Count; i++)
{
var parameterInfo = functionInfo.Parameters[i];
if (separator)
{
contents.Append(", ");
}
separator = true;
contents.Append(parameterInfo.Type);
contents.Append(' ');
contents.Append(parameterInfo.Name);
}
contents.Append(')');
contents.AppendLine();
contents.AppendLine(" {");
contents.AppendLine($" auto object = ({classInfo.NativeName}*)this;");
contents.AppendLine(" static THREADLOCAL bool IsDuringWrapperCall = false;");
contents.AppendLine(" if (IsDuringWrapperCall)");
contents.AppendLine(" {");
contents.AppendLine(" // Prevent stack overflow by calling base method");
contents.AppendLine(" const auto scriptVTableBase = object->GetType().Class.ScriptVTableBase;");
contents.Append($" return (object->**({functionInfo.UniqueName}_Signature*)&scriptVTableBase[{scriptVTableIndex} + 2])(");
separator = false;
for (var i = 0; i < functionInfo.Parameters.Count; i++)
{
var parameterInfo = functionInfo.Parameters[i];
if (separator)
{
contents.Append(", ");
}
separator = true;
contents.Append(parameterInfo.Name);
}
contents.AppendLine(");");
contents.AppendLine(" }");
contents.AppendLine(" auto scriptVTable = (VisualScript::Method**)object->GetType().Class.ScriptVTable;");
contents.AppendLine($" ASSERT(scriptVTable && scriptVTable[{scriptVTableIndex}]);");
if (functionInfo.Parameters.Count != 0)
{
contents.AppendLine($" Variant parameters[{functionInfo.Parameters.Count}];");
for (var i = 0; i < functionInfo.Parameters.Count; i++)
{
var parameterInfo = functionInfo.Parameters[i];
contents.AppendLine($" parameters[{i}] = {BindingsGenerator.GenerateCppWrapperNativeToVariant(buildData, parameterInfo.Type, classInfo, parameterInfo.Name)};");
}
}
else
{
contents.AppendLine(" Variant* parameters = nullptr;");
}
contents.AppendLine(" IsDuringWrapperCall = true;");
contents.AppendLine($" auto __result = VisualScripting::Invoke(scriptVTable[{scriptVTableIndex}], object, Span<Variant>(parameters, {functionInfo.Parameters.Count}));");
contents.AppendLine(" IsDuringWrapperCall = false;");
if (!functionInfo.ReturnType.IsVoid)
{
contents.AppendLine($" return {BindingsGenerator.GenerateCppWrapperVariantToNative(buildData, functionInfo.ReturnType, classInfo, "__result")};");
}
contents.AppendLine(" }");
contents.AppendLine();
}
private void OnGenerateCppScriptWrapperFunction(Builder.BuildData buildData, VirtualClassInfo classInfo, FunctionInfo functionInfo, int scriptVTableSize, int scriptVTableIndex, StringBuilder contents)
{
// Generate C++ wrapper function to invoke Visual Script instead of overridden native function (with support for base method callback)
BindingsGenerator.CppIncludeFiles.Add("Engine/Content/Assets/VisualScript.h");
contents.AppendFormat(" {0} {1}_VisualScriptWrapper(", functionInfo.ReturnType, functionInfo.UniqueName);
var separator = false;
for (var i = 0; i < functionInfo.Parameters.Count; i++)
{
var parameterInfo = functionInfo.Parameters[i];
if (separator)
{
contents.Append(", ");
}
separator = true;
contents.Append(parameterInfo.Type);
contents.Append(' ');
contents.Append(parameterInfo.Name);
}
contents.Append(')');
contents.AppendLine();
contents.AppendLine(" {");
string scriptVTableOffset;
if (classInfo.IsInterface)
{
contents.AppendLine($" auto object = ScriptingObject::FromInterface(this, {classInfo.NativeName}::TypeInitializer);");
contents.AppendLine(" if (object == nullptr)");
contents.AppendLine(" {");
contents.AppendLine($" LOG(Error, \"Failed to cast interface {{0}} to scripting object\", TEXT(\"{classInfo.Name}\"));");
BindingsGenerator.GenerateCppReturn(buildData, contents, " ", functionInfo.ReturnType);
contents.AppendLine(" }");
contents.AppendLine($" const int32 scriptVTableOffset = {scriptVTableIndex} + object->GetType().GetInterface({classInfo.NativeName}::TypeInitializer)->ScriptVTableOffset;");
scriptVTableOffset = "scriptVTableOffset";
}
else
{
contents.AppendLine($" auto object = ({classInfo.NativeName}*)this;");
scriptVTableOffset = scriptVTableIndex.ToString();
}
contents.AppendLine(" static THREADLOCAL void* WrapperCallInstance = nullptr;");
contents.AppendLine(" if (WrapperCallInstance == object)");
contents.AppendLine(" {");
contents.AppendLine(" // Prevent stack overflow by calling base method");
contents.AppendLine(" const auto scriptVTableBase = object->GetType().Script.ScriptVTableBase;");
contents.Append($" return (this->**({functionInfo.UniqueName}_Internal_Signature*)&scriptVTableBase[{scriptVTableOffset} + 2])(");
separator = false;
for (var i = 0; i < functionInfo.Parameters.Count; i++)
{
var parameterInfo = functionInfo.Parameters[i];
if (separator)
{
contents.Append(", ");
}
separator = true;
contents.Append(parameterInfo.Name);
}
contents.AppendLine(");");
contents.AppendLine(" }");
contents.AppendLine(" auto scriptVTable = (VisualScript::Method**)object->GetType().Script.ScriptVTable;");
contents.AppendLine($" ASSERT(scriptVTable && scriptVTable[{scriptVTableOffset}]);");
if (functionInfo.Parameters.Count != 0)
{
contents.AppendLine($" Variant parameters[{functionInfo.Parameters.Count}];");
for (var i = 0; i < functionInfo.Parameters.Count; i++)
{
var parameterInfo = functionInfo.Parameters[i];
contents.AppendLine($" parameters[{i}] = {BindingsGenerator.GenerateCppWrapperNativeToVariant(buildData, parameterInfo.Type, classInfo, parameterInfo.Name)};");
}
}
else
{
contents.AppendLine(" Variant* parameters = nullptr;");
}
contents.AppendLine(" auto prevWrapperCallInstance = WrapperCallInstance;");
contents.AppendLine(" WrapperCallInstance = object;");
contents.AppendLine($" auto __result = VisualScripting::Invoke(scriptVTable[{scriptVTableOffset}], object, Span<Variant>(parameters, {functionInfo.Parameters.Count}));");
contents.AppendLine(" WrapperCallInstance = prevWrapperCallInstance;");
if (!functionInfo.ReturnType.IsVoid)
{
contents.AppendLine($" return {BindingsGenerator.GenerateCppWrapperVariantToNative(buildData, functionInfo.ReturnType, classInfo, "__result")};");
}
contents.AppendLine(" }");
contents.AppendLine();
}
public static bool MakeApiAssembly(ApiAssemblyType apiType, string config)
{
string apiName = apiType == ApiAssemblyType.Core ? ApiAssemblyNames.Core : ApiAssemblyNames.Editor;
string editorPrebuiltApiDir = Path.Combine(GodotSharpDirs.DataEditorPrebuiltApiDir, config);
string resAssembliesDir = Path.Combine(GodotSharpDirs.ResAssembliesBaseDir, config);
if (File.Exists(Path.Combine(editorPrebuiltApiDir, $"{apiName}.dll")))
{
using (var copyProgress = new EditorProgress("mono_copy_prebuilt_api_assembly", $"Copying prebuilt {apiName} assembly...", 1))
{
copyProgress.Step($"Copying {apiName} assembly", 0);
return(CopyApiAssembly(editorPrebuiltApiDir, resAssembliesDir, apiName, apiType));
}
}
const string apiSolutionName = ApiAssemblyNames.SolutionName;
using (var pr = new EditorProgress($"mono_build_release_{apiSolutionName}", $"Building {apiSolutionName} solution...", 3))
{
pr.Step($"Generating {apiSolutionName} solution", 0);
string apiSlnDir = Path.Combine(GodotSharpDirs.MonoSolutionsDir, _ApiFolderName(ApiAssemblyType.Core));
string apiSlnFile = Path.Combine(apiSlnDir, $"{apiSolutionName}.sln");
if (!Directory.Exists(apiSlnDir) || !File.Exists(apiSlnFile))
{
var bindingsGenerator = new BindingsGenerator();
if (!Godot.OS.IsStdoutVerbose())
{
bindingsGenerator.LogPrintEnabled = false;
}
Error err = bindingsGenerator.GenerateCsApi(apiSlnDir);
if (err != Error.Ok)
{
ShowBuildErrorDialog($"Failed to generate {apiSolutionName} solution. Error: {err}");
return(false);
}
}
pr.Step($"Building {apiSolutionName} solution", 1);
if (!BuildApiSolution(apiSlnDir, config))
{
return(false);
}
pr.Step($"Copying {apiName} assembly", 2);
// Copy the built assembly to the assemblies directory
string apiAssemblyDir = Path.Combine(apiSlnDir, apiName, "bin", config);
if (!CopyApiAssembly(apiAssemblyDir, resAssembliesDir, apiName, apiType))
{
return(false);
}
}
return(true);
}
