Implement world-local component id resolution and complete rewrite of type registration code

src/Flecs.NET.Benchmarks/Core/AddRemoveTypeTag.cs

@@ -4,9 +4,10 @@
 
 namespace Flecs.NET.Benchmarks.Core
 {
-    public unsafe class AddRemoveTypeTag
+    public unsafe class AddRemoveTag
     {
-        [Params(100000)] public int EntityCount;
+        [Params(100000)]
+        public int EntityCount;
 
         public World World;
         public Entity[] Entities;
@@ -22,7 +23,7 @@ public void Setup()
             Entities = new Entity[EntityCount];
 
             World.Component<Tag>();
-            TagId = Type<Tag>.RawId;
+            TagId = World.Component<Tag>();
 
             for (int i = 0; i < EntityCount; i++)
                 Entities[i] = World.Entity();
@@ -35,7 +36,7 @@ public void Cleanup()
         }
 
         [Benchmark]
-        public void TypeTag()
+        public void AddRemoveTypeTag()
         {
             for (int e = 0; e < EntityCount; e++)
                 Entities[e].Add<Tag>();
@@ -45,7 +46,7 @@ public void TypeTag()
         }
 
         [Benchmark]
-        public void RawTag()
+        public void AddRemoveIntegerTag()
         {
             for (int e = 0; e < EntityCount; e++)
                 ecs_add_id(World, Entities[e], TagId);

src/Flecs.NET.Benchmarks/Flecs.NET.Benchmarks.csproj

@@ -2,7 +2,7 @@
 
     <PropertyGroup>
         <OutputType>Exe</OutputType>
-        <TargetFrameworks>netcoreapp3.1;net6.0;net7.0</TargetFrameworks>
+        <TargetFrameworks>netcoreapp3.1;net6.0;net7.0;net8.0</TargetFrameworks>
         <Nullable>enable</Nullable>
         <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
         <NoWarn>$(NoWarn);CS8618</NoWarn>
@@ -11,7 +11,7 @@
     <Import Project="../Flecs.NET.Native/Flecs.NET.Native.targets"/>
 
     <ItemGroup>
-        <PackageReference Include="BenchmarkDotNet" Version="0.13.7"/>
+        <PackageReference Include="BenchmarkDotNet" Version="0.13.12"/>
         <ProjectReference Include="../Flecs.NET/Flecs.NET.csproj"/>
     </ItemGroup>
 

src/Flecs.NET.Benchmarks/Program.cs

@@ -3,7 +3,7 @@
 using BenchmarkDotNet.Jobs;
 using BenchmarkDotNet.Running;
 
-[assembly: SimpleJob(runtimeMoniker: RuntimeMoniker.Net70, launchCount: 1, warmupCount: 5, iterationCount: 10)]
+// [assembly: SimpleJob(runtimeMoniker: RuntimeMoniker.Net70, launchCount: 1, warmupCount: 5, iterationCount: 10)]
 
 namespace Flecs.NET.Benchmarks
 {

src/Flecs.NET.Bindgen/Flecs.NET.Bindgen.csproj

@@ -12,7 +12,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="Bindgen.NET" Version="0.1.10"/>
+        <PackageReference Include="Bindgen.NET" Version="0.1.11"/>
     </ItemGroup>
 
 </Project>

src/Flecs.NET.Bindings/Flecs.g.cs

@@ -13127,7 +13127,9 @@ public partial class BindgenInternal
         {
             public static readonly System.Collections.Generic.List<string> DllFilePaths;
 
-            public static System.IntPtr _libraryHandle = System.IntPtr.Zero;
+            public static System.IntPtr LibraryHandle = System.IntPtr.Zero;
+
+            public static readonly object Lock = new object ();
 
             public static bool IsLinux => System.Runtime.InteropServices.RuntimeInformation.IsOSPlatform(System.Runtime.InteropServices.OSPlatform.Linux);
 
@@ -13184,12 +13186,12 @@ public static bool TryLoad(string path, out System.IntPtr handle)
             public static System.IntPtr GetExport(string symbol)
             {
 #if NET5_0_OR_GREATER
-            return System.Runtime.InteropServices.NativeLibrary.GetExport(_libraryHandle, symbol);
+            return System.Runtime.InteropServices.NativeLibrary.GetExport(LibraryHandle, symbol);
 #else
                 if (IsLinux)
                 {
                     GetLastErrorLinux();
-                    System.IntPtr handle = GetExportLinux(_libraryHandle, symbol);
+                    System.IntPtr handle = GetExportLinux(LibraryHandle, symbol);
                     if (handle != System.IntPtr.Zero)
                         return handle;
                     byte* errorResult = GetLastErrorLinux();
@@ -13202,7 +13204,7 @@ public static System.IntPtr GetExport(string symbol)
                 if (IsOsx)
                 {
                     GetLastErrorOsx();
-                    System.IntPtr handle = GetExportOsx(_libraryHandle, symbol);
+                    System.IntPtr handle = GetExportOsx(LibraryHandle, symbol);
                     if (handle != System.IntPtr.Zero)
                         return handle;
                     byte* errorResult = GetLastErrorOsx();
@@ -13214,7 +13216,7 @@ public static System.IntPtr GetExport(string symbol)
 
                 if (IsWindows)
                 {
-                    System.IntPtr handle = GetExportWindows(_libraryHandle, symbol);
+                    System.IntPtr handle = GetExportWindows(LibraryHandle, symbol);
                     if (handle != System.IntPtr.Zero)
                         return handle;
                     int errorCode = GetLastErrorWindows();
@@ -13237,45 +13239,51 @@ public static void ResolveLibrary()
                     fileExtension = ".dll";
                 else
                     throw new System.InvalidOperationException("Can't determine native library file extension for the current system.");
+                System.IntPtr handle = default;
                 foreach (string dllFilePath in DllFilePaths)
                 {
                     string fileName = System.IO.Path.GetFileName(dllFilePath);
                     string parentDir = $"{dllFilePath}/..";
                     string searchDir = System.IO.Path.IsPathRooted(dllFilePath) ? System.IO.Path.GetFullPath(parentDir) + "/" : System.IO.Path.GetFullPath(System.AppDomain.CurrentDomain.BaseDirectory + parentDir) + "/";
-                    if (TryLoad($"{searchDir}{fileName}", out _libraryHandle))
-                        return;
-                    if (TryLoad($"{searchDir}{fileName}{fileExtension}", out _libraryHandle))
-                        return;
-                    if (TryLoad($"{searchDir}lib{fileName}", out _libraryHandle))
-                        return;
-                    if (TryLoad($"{searchDir}lib{fileName}{fileExtension}", out _libraryHandle))
-                        return;
+                    if (TryLoad($"{searchDir}{fileName}", out handle))
+                        goto Return;
+                    if (TryLoad($"{searchDir}{fileName}{fileExtension}", out handle))
+                        goto Return;
+                    if (TryLoad($"{searchDir}lib{fileName}", out handle))
+                        goto Return;
+                    if (TryLoad($"{searchDir}lib{fileName}{fileExtension}", out handle))
+                        goto Return;
                     if (!fileName.StartsWith("lib") || fileName == "lib")
                         continue;
                     string unprefixed = fileName.Substring(4);
-                    if (TryLoad($"{searchDir}{unprefixed}", out _libraryHandle))
-                        return;
-                    if (TryLoad($"{searchDir}{unprefixed}{fileExtension}", out _libraryHandle))
-                        return;
+                    if (TryLoad($"{searchDir}{unprefixed}", out handle))
+                        goto Return;
+                    if (TryLoad($"{searchDir}{unprefixed}{fileExtension}", out handle))
+                        goto Return;
                 }
 
 #if NET7_0_OR_GREATER
-                _libraryHandle = System.Runtime.InteropServices.NativeLibrary.GetMainProgramHandle();
+                handle = System.Runtime.InteropServices.NativeLibrary.GetMainProgramHandle();
 #else
                 if (IsLinux)
-                    _libraryHandle = LoadLibraryLinux(null, 0x101);
+                    handle = LoadLibraryLinux(null, 0x101);
                 else if (IsOsx)
-                    _libraryHandle = LoadLibraryOsx(null, 0x101);
+                    handle = LoadLibraryOsx(null, 0x101);
                 else if (IsWindows)
-                    _libraryHandle = GetModuleHandle(null);
+                    handle = GetModuleHandle(null);
 #endif
+                Return:
+                    LibraryHandle = handle;
             }
 
             public static void* LoadDllSymbol(string variableSymbol, out void* field)
             {
-                if (_libraryHandle == System.IntPtr.Zero)
-                    ResolveLibrary();
-                return field = (void*)GetExport(variableSymbol);
+                lock (Lock)
+                {
+                    if (LibraryHandle == System.IntPtr.Zero)
+                        ResolveLibrary();
+                    return field = (void*)GetExport(variableSymbol);
+                }
             }
         }
     }

src/Flecs.NET.Bindings/FlecsExtensions.g.cs

@@ -0,0 +1,27 @@
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+[assembly: InternalsVisibleTo("Flecs.NET")]
+
+namespace Flecs.NET.Bindings
+{
+    public static unsafe partial class Native
+    {
+    #if NET5_0_OR_GREATER
+        [SuppressGCTransition]
+    #endif
+        [DllImport(BindgenInternal.DllImportPath, EntryPoint = "ecs_get_binding_ctx", CallingConvention = CallingConvention.Cdecl)]
+        internal static extern void* ecs_get_binding_ctx_fast(ecs_world_t* world);
+
+        // Temporary hack until the suspend/resume functions are made public.
+        [DllImport(BindgenInternal.DllImportPath, EntryPoint = "flecs_suspend_readonly", CallingConvention = CallingConvention.Cdecl)]
+        internal static extern ecs_world_t* flecs_suspend_readonly(ecs_world_t* world, ecs_suspend_readonly_state_t* state);
+
+        [DllImport(BindgenInternal.DllImportPath, EntryPoint = "flecs_resume_readonly", CallingConvention = CallingConvention.Cdecl)]
+        internal static extern void flecs_resume_readonly(ecs_world_t* world, ecs_suspend_readonly_state_t* state);
+
+        // Larger size just in case it changes.
+        [StructLayout(LayoutKind.Explicit, Size = 96 * 2)]
+        internal struct ecs_suspend_readonly_state_t { }
+    }
+}

src/Flecs.NET.Tests/CSharp/Core/EventTests.cs

@@ -5,11 +5,6 @@ namespace Flecs.NET.Tests.CSharp.Core
 {
     public class EventTests
     {
-        public EventTests()
-        {
-            FlecsInternal.Reset();
-        }
-
         [Fact]
         public void EntityEmitEventWithManagedPayload()
         {

src/Flecs.NET.Tests/CSharp/Core/ObserverTests.cs

@@ -5,11 +5,6 @@ namespace Flecs.NET.Tests.CSharp.Core
 {
     public unsafe class ObserverTests
     {
-        public ObserverTests()
-        {
-            FlecsInternal.Reset();
-        }
-
         [Fact]
         private void IterDelegateCallback()
         {

src/Flecs.NET.Tests/CSharp/Core/QueryBuilderTests.cs

@@ -7,11 +7,6 @@ namespace Flecs.NET.Tests.CSharp.Core
     [SuppressMessage("ReSharper", "AccessToModifiedClosure")]
     public class QueryBuilderTests
     {
-        public QueryBuilderTests()
-        {
-            FlecsInternal.Reset();
-        }
-
         [Fact]
         private void GroupBy()
         {

src/Flecs.NET.Tests/CSharp/Core/QueryTests.cs

@@ -5,11 +5,6 @@ namespace Flecs.NET.Tests.CSharp.Core
 {
     public unsafe class QueryTests
     {
-        public QueryTests()
-        {
-            FlecsInternal.Reset();
-        }
-
         [Fact]
         private void IterDelegateCallback()
         {

src/Flecs.NET.Tests/CSharp/Core/SystemTests.cs

@@ -5,11 +5,6 @@ namespace Flecs.NET.Tests.CSharp.Core
 {
     public unsafe class SystemTests
     {
-        public SystemTests()
-        {
-            FlecsInternal.Reset();
-        }
-
         [Fact]
         private void IterDelegateCallback()
         {