feat: Expose Metamod MetaFactory to NativeAPI (#801)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/cmake-single-platform.yml

@@ -74,7 +74,7 @@ jobs:
           mkdir build/output/
           mv build/addons build/output
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: counterstrikesharp-build-windows-${{ env.GITHUB_SHA_SHORT }}
           path: build/output/
@@ -115,7 +115,7 @@ jobs:
           mkdir build/output/
           mv build/addons build/output
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: counterstrikesharp-build-linux-${{ env.GITHUB_SHA_SHORT }}
           path: build/output/
@@ -154,7 +154,7 @@ jobs:
         run: dotnet test --logger trx --results-directory "TestResults-${{ env.GITHUB_SHA_SHORT }}" managed/CounterStrikeSharp.API.Tests/CounterStrikeSharp.API.Tests.csproj
 
       - name: Upload dotnet test results
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: test-results-${{ env.GITHUB_SHA_SHORT }}
           path: TestResults-${{ env.GITHUB_SHA_SHORT }}
@@ -165,7 +165,7 @@ jobs:
           dotnet publish -c Release /p:Version=1.0.${{ env.BUILD_NUMBER }} managed/CounterStrikeSharp.API
           dotnet pack -c Release /p:Version=1.0.${{ env.BUILD_NUMBER }} managed/CounterStrikeSharp.API
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: counterstrikesharp-build-api-${{ env.GITHUB_SHA_SHORT }}
           path: managed/CounterStrikeSharp.API/bin/Release
@@ -181,17 +181,17 @@ jobs:
         shell: bash
         run: echo "GITHUB_SHA_SHORT=${GITHUB_SHA::7}" >> $GITHUB_ENV
 
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4
         with:
           name: counterstrikesharp-build-windows-${{ env.GITHUB_SHA_SHORT }}
           path: build/windows
 
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4
         with:
           name: counterstrikesharp-build-linux-${{ env.GITHUB_SHA_SHORT }}
           path: build/linux
 
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4
         with:
           name: counterstrikesharp-build-api-${{ env.GITHUB_SHA_SHORT }}
           path: build/api

CMakeLists.txt

@@ -83,6 +83,7 @@ set(SOURCE_FILES
     src/scripting/natives/natives_schema.cpp
     src/scripting/natives/natives_entities.cpp
     src/scripting/natives/natives_voice.cpp
+    src/scripting/natives/natives_metamod.cpp
     src/core/managers/entity_manager.cpp
     src/core/managers/entity_manager.h
     src/core/managers/chat_manager.cpp

managed/CounterStrikeSharp.API/Core/API.cs

@@ -206,6 +206,18 @@ namespace CounterStrikeSharp.API.Core
 			}
 		}
 
+        public static void ReplicateConvar(int clientslot, string convarname, string convarvalue){
+			lock (ScriptContext.GlobalScriptContext.Lock) {
+			ScriptContext.GlobalScriptContext.Reset();
+			ScriptContext.GlobalScriptContext.Push(clientslot);
+			ScriptContext.GlobalScriptContext.Push(convarname);
+			ScriptContext.GlobalScriptContext.Push(convarvalue);
+			ScriptContext.GlobalScriptContext.SetIdentifier(0xC8728BEC);
+			ScriptContext.GlobalScriptContext.Invoke();
+			ScriptContext.GlobalScriptContext.CheckErrors();
+			}
+		}
+
         public static T DynamicHookGetReturn<T>(IntPtr hook, int datatype){
 			lock (ScriptContext.GlobalScriptContext.Lock) {
 			ScriptContext.GlobalScriptContext.Reset();
@@ -1160,6 +1172,17 @@ namespace CounterStrikeSharp.API.Core
 			}
 		}
 
+        public static IntPtr MetaFactory(string interfacename){
+			lock (ScriptContext.GlobalScriptContext.Lock) {
+			ScriptContext.GlobalScriptContext.Reset();
+			ScriptContext.GlobalScriptContext.Push(interfacename);
+			ScriptContext.GlobalScriptContext.SetIdentifier(0x61521EF3);
+			ScriptContext.GlobalScriptContext.Invoke();
+			ScriptContext.GlobalScriptContext.CheckErrors();
+			return (IntPtr)ScriptContext.GlobalScriptContext.GetResult(typeof(IntPtr));
+			}
+		}
+
         public static short GetSchemaOffset(string classname, string propname){
 			lock (ScriptContext.GlobalScriptContext.Lock) {
 			ScriptContext.GlobalScriptContext.Reset();

managed/CounterStrikeSharp.API/Core/GameEvents.g.cs

@@ -4489,14 +4489,6 @@ namespace CounterStrikeSharp.API.Core
                 }
 
 
-                // ip:port
-                public string Address
-                {
-                    get => Get<string>("address");
-                    set => Set<string>("address", value);
-                }
-
-
                 
                 public bool Bot
                 {

managed/CounterStrikeSharp.API/Core/Listeners.g.cs

@@ -170,5 +170,11 @@ namespace CounterStrikeSharp.API.Core
         /// <param name="infoList">Transmit info list</param>
         [ListenerName("CheckTransmit")]
         public delegate void CheckTransmit([CastFrom(typeof(nint))]CCheckTransmitInfoList infoList);
+
+        /// <summary>
+        /// Called when all metamod plugins are loaded.
+        /// </summary>
+        [ListenerName("OnMetamodAllPluginsLoaded")]
+        public delegate void OnMetamodAllPluginsLoaded();
     }
 }

managed/CounterStrikeSharp.API/Core/Model/CCSPlayerController.cs

@@ -347,4 +347,9 @@ public partial class CCSPlayerController
     {
         base.Teleport(position, angles, velocity);
     }
+
+    public void ReplicateConVar(string conVar, string value)
+    {
+        NativeAPI.ReplicateConvar(Slot, conVar, value);
+    }
 }

managed/CounterStrikeSharp.API/Core/Model/NetworkedVector.cs

@@ -17,7 +17,7 @@ public partial class NetworkedVector<T> : NativeObject, IReadOnlyCollection<T>
     }
 
     public unsafe uint Size => Unsafe.Read<uint>((void*)Handle);
-    
+
     public unsafe int Count => NativeAPI.GetNetworkVectorSize(Handle);
 
     public T this[int index]
@@ -28,7 +28,7 @@ public partial class NetworkedVector<T> : NativeObject, IReadOnlyCollection<T>
             {
                 throw new NotSupportedException("Networked vectors currently only support CHandle<T>");
             }
-            
+
             return (T)Activator.CreateInstance(typeof(T), NativeAPI.GetNetworkVectorElementAt(Handle, index));
         }
     }
@@ -50,4 +50,4 @@ public partial class NetworkedVector<T> : NativeObject, IReadOnlyCollection<T>
     {
         return GetEnumerator();
     }
-}
+}

managed/CounterStrikeSharp.API/Modules/Commands/Targeting/Target.cs

@@ -36,7 +36,7 @@ public class Target
     private static bool ConstTargetType(string target, out TargetType targetType)
     {
         targetType = TargetType.Invalid;
-        if (!target.StartsWith("@"))
+        if (!target.StartsWith('@'))
         {
             return false;
         }
@@ -50,13 +50,13 @@ public class Target
     {
         targetType = TargetType.Invalid;
         slug = null!;
-        if (!target.StartsWith("#"))
+        if (!target.StartsWith('#'))
         {
             return false;
         }
 
         slug = target.TrimStart('#');
-        if (slug.StartsWith("STEAM")) targetType = TargetType.IdSteamEscaped;
+        if (slug.StartsWith("STEAM") && slug.Contains(':')) targetType = TargetType.IdSteamEscaped;
         else if (!ulong.TryParse(slug, out _)) targetType = TargetType.ExplicitName;
         else if (slug.Length == 17) targetType = TargetType.IdSteam64;
         else targetType = TargetType.IdUserid;
@@ -101,10 +101,9 @@ public class Target
             TargetType.GroupNotMe => player.SteamID != caller?.SteamID,
             TargetType.PlayerMe => player.SteamID == caller?.SteamID,
             TargetType.IdUserid => player.UserId.ToString() == Slug,
-            TargetType.IdSteamEscaped => ((SteamID)player.SteamID).SteamId2 == Slug,
-            TargetType.IdSteam64 => ((SteamID)player.SteamID).SteamId64.ToString() == Slug,
-            TargetType.ExplicitName => player.PlayerName.Contains(Slug, StringComparison.OrdinalIgnoreCase),
-            TargetType.ImplicitName => player.PlayerName.Contains(Slug, StringComparison.OrdinalIgnoreCase),
+            TargetType.IdSteamEscaped when player.SteamID != 0 => (SteamID)player.SteamID == (SteamID)Slug,
+            TargetType.IdSteam64 => player.SteamID.ToString() == Slug,
+            TargetType.ExplicitName or TargetType.ImplicitName => player.PlayerName.Contains(Slug, StringComparison.OrdinalIgnoreCase),
             _ => false
         };
     }

managed/CounterStrikeSharp.API/Modules/Cvars/FakeConVar.cs

@@ -72,6 +72,16 @@ public class FakeConVar<T> where T : IComparable<T>
 
         try
         {
+            var argString = args.ArgString;
+            
+            if (typeof(T) == typeof(string))
+            {
+                if (argString.Length >= 2 && argString.StartsWith('"') && argString.EndsWith('"'))
+                {
+                    argString = argString.Substring(1, argString.Length - 2);
+                }
+            }
+            
             // TODO(dotnet8): Replace with IParsable<T>
             bool success = true;
             T parsedValue = default(T);
@@ -80,11 +90,11 @@ public class FakeConVar<T> where T : IComparable<T>
             {
                 try
                 {
-                    parsedValue = (T)converter.ConvertFromString(args.ArgString);
+                    parsedValue = (T)converter.ConvertFromString(argString);
                 }
                 catch
                 {
-                    success = typeof(T) == typeof(bool) && TryConvertCustomBoolean(args.ArgString, out parsedValue);
+                    success = typeof(T) == typeof(bool) && TryConvertCustomBoolean(argString, out parsedValue);
                 }
             }
 
@@ -137,4 +147,4 @@ public class FakeConVar<T> where T : IComparable<T>
         _value = value;
         ValueChanged?.Invoke(this, _value);
     }
-}
+}

managed/CounterStrikeSharp.API/Modules/Extensions/PluginConfigExtensions.cs

@@ -7,7 +7,8 @@ public static class PluginConfigExtensions
 {
     private static readonly JsonSerializerOptions _jsonSerializerOptions = new()
     {
-        WriteIndented = true
+        WriteIndented = true,
+        ReadCommentHandling = JsonCommentHandling.Skip
     };
 
     public static JsonSerializerOptions JsonSerializerOptions => _jsonSerializerOptions;
@@ -62,7 +63,7 @@ public static class PluginConfigExtensions
 
             var configContent = File.ReadAllText(configPath);
 
-            var newConfig = JsonSerializer.Deserialize<T>(configContent)
+            var newConfig = JsonSerializer.Deserialize<T>(configContent, JsonSerializerOptions)
                 ?? throw new JsonException($"Deserialization failed for configuration file '{configPath}'.");
 
             foreach (var property in typeof(T).GetProperties(BindingFlags.Instance | BindingFlags.Public))

managed/CounterStrikeSharp.API/Modules/Menu/CenterHtmlMenu.cs

@@ -29,13 +29,13 @@ public class CenterHtmlMenu : BaseMenu
     public string NextPageColor { get; set; } = "yellow";
     public string CloseColor { get; set; } = "red";
 
-    public CenterHtmlMenu(string title, BasePlugin plugin) : base(ModifyTitle(title))
+    public CenterHtmlMenu(string title, BasePlugin plugin) : base(title)
     {
         _plugin = plugin;
     }
-    
+
     [Obsolete("Use the constructor that takes a BasePlugin")]
-    public CenterHtmlMenu(string title) : base(ModifyTitle(title))
+    public CenterHtmlMenu(string title) : base(title)
     {
     }
 
@@ -45,40 +45,18 @@ public class CenterHtmlMenu : BaseMenu
         {
             throw new InvalidOperationException("This method is unsupported with the CenterHtmlMenu constructor used." +
                                                 "Please provide a BasePlugin in the constructor.");
-        }; 
-        
+        };
+
         MenuManager.OpenCenterHtmlMenu(_plugin, player, this);
     }
 
     public override ChatMenuOption AddMenuOption(string display, Action<CCSPlayerController, ChatMenuOption> onSelect,
         bool disabled = false)
     {
-        var option = new ChatMenuOption(ModifyOptionDisplay(display), disabled, onSelect);
+        var option = new ChatMenuOption(display, disabled, onSelect);
         MenuOptions.Add(option);
         return option;
     }
-
-    private static string ModifyTitle(string title)
-    {
-        if (title.Length > 32)
-        {
-            Application.Instance.Logger.LogWarning("Title should not be longer than 32 characters for a CenterHtmlMenu");
-            return title[..32];
-        }
-
-        return title;
-    }
-
-    private static string ModifyOptionDisplay(string display)
-    {
-        if (display.Length > 26)
-        {
-            Application.Instance.Logger.LogWarning("Display should not be longer than 26 characters for a CenterHtmlMenu item");
-            return display[..26];
-        }
-
-        return display;
-    }
 }
 
 public class CenterHtmlMenuInstance : BaseMenuInstance

managed/CounterStrikeSharp.API/Utilities.cs

@@ -247,5 +247,20 @@ namespace CounterStrikeSharp.API
             entity.LastNetworkChange = Server.CurrentTime;
             entity.IsSteadyState.Clear();
         }
+
+        /// <summary>
+        /// metamod method 'MetaFactory' to get the pointer of api interface exposed by metamod plugins.
+        /// Returns null when the interface cannot be found.
+        /// </summary>
+        /// <param name="interfaceName">The interface name of metamod api, can be found in their api header file</param>
+        public static IntPtr? MetaFactory(string interfaceName)
+        {
+            IntPtr ptr = NativeAPI.MetaFactory(interfaceName);
+            if (ptr == 0)
+            {
+                return null;
+            }
+            return ptr;
+        }
     }
 }

src/mm_plugin.cpp

@@ -134,6 +134,7 @@ bool CounterStrikeSharpMMPlugin::Load(PluginId id, ISmmAPI* ismm, char* error, s
     CALL_GLOBAL_LISTENER(OnAllInitialized());
 
     on_activate_callback = globals::callbackManager.CreateCallback("OnMapStart");
+    on_metamod_all_plugins_loaded_callback = globals::callbackManager.CreateCallback("OnMetamodAllPluginsLoaded");
 
     SH_ADD_HOOK_MEMFUNC(IServerGameDLL, GameFrame, globals::server, this, &CounterStrikeSharpMMPlugin::Hook_GameFrame, true);
     SH_ADD_HOOK_MEMFUNC(INetworkServerService, StartupServer, globals::networkServerService, this,
@@ -182,6 +183,7 @@ bool CounterStrikeSharpMMPlugin::Unload(char* error, size_t maxlen)
                            &CounterStrikeSharpMMPlugin::Hook_StartupServer, true);
 
     globals::callbackManager.ReleaseCallback(on_activate_callback);
+    globals::callbackManager.ReleaseCallback(on_metamod_all_plugins_loaded_callback);
 
     return true;
 }
@@ -191,6 +193,8 @@ void CounterStrikeSharpMMPlugin::AllPluginsLoaded()
     /* This is where we'd do stuff that relies on the mod or other plugins
      * being initialized (for example, cvars added and events registered).
      */
+    on_metamod_all_plugins_loaded_callback->ScriptContext().Reset();
+    on_metamod_all_plugins_loaded_callback->Execute();
 }
 
 void CounterStrikeSharpMMPlugin::AddTaskForNextFrame(std::function<void()>&& task)

src/mm_plugin.h

@@ -71,6 +71,7 @@ class CounterStrikeSharpMMPlugin : public ISmmPlugin, public IMetamodListener
 };
 
 static ScriptCallback* on_activate_callback;
+static ScriptCallback* on_metamod_all_plugins_loaded_callback;
 extern CounterStrikeSharpMMPlugin gPlugin;
 
 PLUGIN_GLOBALVARS();

src/scripting/listeners/metamod.yaml

@@ -0,0 +1 @@
+OnMetamodAllPluginsLoaded:

src/scripting/natives/natives_commands.cpp

@@ -15,13 +15,17 @@
  */
 
 #include <eiface.h>
+#include <networksystem/inetworkmessages.h>
 
 #include "scripting/autonative.h"
 #include "scripting/callback_manager.h"
 #include "core/managers/con_command_manager.h"
 #include "core/managers/player_manager.h"
+#include "core/recipientfilters.h"
+#include "igameeventsystem.h"
 #include "scripting/script_engine.h"
 #include "core/log.h"
+#include <networkbasetypes.pb.h>
 
 namespace counterstrikesharp {
 
@@ -191,6 +195,25 @@ void SetConVarStringValue(ScriptContext& script_context)
     pCvar->values = reinterpret_cast<CVValue_t**>((char*)value);
 }
 
+void ReplicateConVar(ScriptContext& script_context)
+{
+    auto slot = script_context.GetArgument<int>(0);
+    auto name = script_context.GetArgument<const char*>(1);
+    auto value = script_context.GetArgument<const char*>(2);
+
+    INetworkMessageInternal* pNetMsg = globals::networkMessages->FindNetworkMessagePartial("SetConVar");
+    auto msg = pNetMsg->AllocateMessage()->ToPB<CNETMsg_SetConVar>();
+
+    CMsg_CVars_CVar* cvarMsg = msg->mutable_convars()->add_cvars();
+    cvarMsg->set_name(name);
+    cvarMsg->set_value(value);
+
+    CSingleRecipientFilter filter(slot);
+    globals::gameEventSystem->PostEventAbstract(-1, false, &filter, pNetMsg, msg, 0);
+
+    delete msg;
+}
+
 REGISTER_NATIVES(commands, {
     ScriptEngine::RegisterNativeHandler("ADD_COMMAND", AddCommand);
     ScriptEngine::RegisterNativeHandler("REMOVE_COMMAND", RemoveCommand);
@@ -211,5 +234,6 @@ REGISTER_NATIVES(commands, {
                                         IssueClientCommandFromServer);
     ScriptEngine::RegisterNativeHandler("GET_CLIENT_CONVAR_VALUE", GetClientConVarValue);
     ScriptEngine::RegisterNativeHandler("SET_FAKE_CLIENT_CONVAR_VALUE", SetFakeClientConVarValue);
+    ScriptEngine::RegisterNativeHandler("REPLICATE_CONVAR", ReplicateConVar);
 })
 } // namespace counterstrikesharp

src/scripting/natives/natives_commands.yaml

@@ -12,4 +12,5 @@ ISSUE_CLIENT_COMMAND_FROM_SERVER: slot:int,command:string -> void
 FIND_CONVAR: name:string -> pointer
 SET_CONVAR_STRING_VALUE: convar:pointer,value:string -> void
 GET_CLIENT_CONVAR_VALUE: clientIndex:int,convarName:string -> string
-SET_FAKE_CLIENT_CONVAR_VALUE: clientIndex:int,convarName:string,convarValue:string -> void
+SET_FAKE_CLIENT_CONVAR_VALUE: clientIndex:int,convarName:string,convarValue:string -> void
+REPLICATE_CONVAR: clientSlot:int,convarName:string,convarValue:string -> void

src/scripting/natives/natives_memory.cpp

@@ -17,11 +17,11 @@
 #include <ios>
 #include <sstream>
 
-#include "scripting/autonative.h"
 #include "core/function.h"
-#include "scripting/script_engine.h"
-#include "core/memory.h"
 #include "core/log.h"
+#include "core/memory.h"
+#include "scripting/autonative.h"
+#include "scripting/script_engine.h"
 
 namespace counterstrikesharp {
 std::vector<ValveFunction*> m_managed_ptrs;
@@ -44,21 +44,22 @@ ValveFunction* CreateVirtualFunctionBySignature(ScriptContext& script_context)
 
     auto* function_addr = FindSignature(binary_name, signature_hex_string);
 
-    if (function_addr == nullptr) {
+    if (function_addr == nullptr)
+    {
         script_context.ThrowNativeError("Could not find signature %s", signature_hex_string);
         return nullptr;
     }
 
     auto args = std::vector<DataType_t>();
-    for (int i = 0; i < num_arguments; i++) {
+    for (int i = 0; i < num_arguments; i++)
+    {
         args.push_back(script_context.GetArgument<DataType_t>(5 + i));
     }
 
     auto function = new ValveFunction(function_addr, CONV_CDECL, args, return_type);
     function->SetSignature(signature_hex_string);
 
-    CSSHARP_CORE_TRACE("Created virtual function, pointer found at {}, signature {}", function_addr,
-                       signature_hex_string);
+    CSSHARP_CORE_TRACE("Created virtual function, pointer found at {}, signature {}", function_addr, signature_hex_string);
 
     m_managed_ptrs.push_back(function);
     return function;
@@ -72,7 +73,8 @@ ValveFunction* CreateVirtualFunction(ScriptContext& script_context)
     auto return_type = script_context.GetArgument<DataType_t>(3);
 
     void** vtable = *(void***)ptr;
-    if (!vtable) {
+    if (!vtable)
+    {
         script_context.ThrowNativeError("Failed to get the virtual function table.");
         return nullptr;
     }
@@ -80,7 +82,8 @@ ValveFunction* CreateVirtualFunction(ScriptContext& script_context)
     auto function_addr = (void*)vtable[vtable_offset];
 
     auto args = std::vector<DataType_t>();
-    for (int i = 0; i < num_arguments; i++) {
+    for (int i = 0; i < num_arguments; i++)
+    {
         args.push_back(script_context.GetArgument<DataType_t>(4 + i));
     }
 
@@ -97,7 +100,8 @@ void HookFunction(ScriptContext& script_context)
     auto callback = script_context.GetArgument<CallbackT>(1);
     auto post = script_context.GetArgument<bool>(2);
 
-    if (!function) {
+    if (!function)
+    {
         script_context.ThrowNativeError("Invalid function pointer");
         return;
     }
@@ -111,7 +115,8 @@ void UnhookFunction(ScriptContext& script_context)
     auto callback = script_context.GetArgument<CallbackT>(1);
     auto post = script_context.GetArgument<bool>(2);
 
-    if (!function) {
+    if (!function)
+    {
         script_context.ThrowNativeError("Invalid function pointer");
         return;
     }
@@ -123,7 +128,8 @@ void ExecuteVirtualFunction(ScriptContext& script_context)
 {
     auto function = script_context.GetArgument<ValveFunction*>(0);
 
-    if (!function) {
+    if (!function)
+    {
         script_context.ThrowNativeError("Invalid function pointer");
         return;
     }
@@ -155,8 +161,7 @@ void RemoveAllNetworkVectorElements(ScriptContext& script_context)
 
 REGISTER_NATIVES(memory, {
     ScriptEngine::RegisterNativeHandler("CREATE_VIRTUAL_FUNCTION", CreateVirtualFunction);
-    ScriptEngine::RegisterNativeHandler("CREATE_VIRTUAL_FUNCTION_BY_SIGNATURE",
-                                        CreateVirtualFunctionBySignature);
+    ScriptEngine::RegisterNativeHandler("CREATE_VIRTUAL_FUNCTION_BY_SIGNATURE", CreateVirtualFunctionBySignature);
     ScriptEngine::RegisterNativeHandler("EXECUTE_VIRTUAL_FUNCTION", ExecuteVirtualFunction);
     ScriptEngine::RegisterNativeHandler("HOOK_FUNCTION", HookFunction);
     ScriptEngine::RegisterNativeHandler("UNHOOK_FUNCTION", UnhookFunction);

src/scripting/natives/natives_metamod.cpp

@@ -0,0 +1,32 @@
+/*
+ *  This file is part of CounterStrikeSharp.
+ *  CounterStrikeSharp is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  CounterStrikeSharp is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with CounterStrikeSharp.  If not, see <https://www.gnu.org/licenses/>. *
+ */
+
+#include <scripting/autonative.h>
+#include <scripting/script_engine.h>
+
+namespace counterstrikesharp {
+
+static void* MetaFactory(ScriptContext& script_context)
+{
+    auto interfaceName = script_context.GetArgument<const char*>(0);
+    void* ptr = globals::ismm->MetaFactory(interfaceName, nullptr, nullptr);
+    return ptr;
+}
+
+REGISTER_NATIVES(metamod, {
+    ScriptEngine::RegisterNativeHandler("META_FACTORY", MetaFactory);
+})
+} // namespace counterstrikesharp

src/scripting/natives/natives_metamod.yaml

@@ -0,0 +1 @@
+META_FACTORY: interfaceName:string -> pointer