initial commit, 4.5 stable

modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators/GodotPluginsInitializerGenerator.cs

@@ -0,0 +1,63 @@
+using System.Text;
+using Microsoft.CodeAnalysis;
+using Microsoft.CodeAnalysis.Text;
+
+namespace Godot.SourceGenerators
+{
+    [Generator]
+    public class GodotPluginsInitializerGenerator : ISourceGenerator
+    {
+        public void Initialize(GeneratorInitializationContext context)
+        {
+        }
+
+        public void Execute(GeneratorExecutionContext context)
+        {
+            if (context.IsGodotToolsProject() || context.IsGodotSourceGeneratorDisabled("GodotPluginsInitializer"))
+                return;
+
+            string source =
+                @"using System;
+using System.Runtime.InteropServices;
+using Godot.Bridge;
+using Godot.NativeInterop;
+
+namespace GodotPlugins.Game
+{
+    internal static partial class Main
+    {
+        [UnmanagedCallersOnly(EntryPoint = ""godotsharp_game_main_init"")]
+        private static godot_bool InitializeFromGameProject(IntPtr godotDllHandle, IntPtr outManagedCallbacks,
+            IntPtr unmanagedCallbacks, int unmanagedCallbacksSize)
+        {
+            try
+            {
+                DllImportResolver dllImportResolver = new GodotDllImportResolver(godotDllHandle).OnResolveDllImport;
+
+                var coreApiAssembly = typeof(global::Godot.GodotObject).Assembly;
+
+                NativeLibrary.SetDllImportResolver(coreApiAssembly, dllImportResolver);
+
+                NativeFuncs.Initialize(unmanagedCallbacks, unmanagedCallbacksSize);
+
+                ManagedCallbacks.Create(outManagedCallbacks);
+
+                ScriptManagerBridge.LookupScriptsInAssembly(typeof(global::GodotPlugins.Game.Main).Assembly);
+
+                return godot_bool.True;
+            }
+            catch (Exception e)
+            {
+                global::System.Console.Error.WriteLine(e);
+                return false.ToGodotBool();
+            }
+        }
+    }
+}
+";
+
+            context.AddSource("GodotPlugins.Game.generated",
+                SourceText.From(source, Encoding.UTF8));
+        }
+    }
+}