Update: add CS# api

managed/RayTrace/RayTraceImpl/RayTraceImpl.cs

@@ -0,0 +1,174 @@
+//
+// Created by Michal Přikryl on 10.10.2025.
+// Copyright (c) 2025 slynxcz. All rights reserved.
+//
+using System.Buffers;
+using System.Reflection;
+using System.Runtime.InteropServices;
+using System.Runtime.Loader;
+using System.Text;
+using System.Text.Json;
+using System.Text.RegularExpressions;
+using CounterStrikeSharp.API;
+using CounterStrikeSharp.API.Core;
+using CounterStrikeSharp.API.Core.Attributes.Registration;
+using CounterStrikeSharp.API.Core.Capabilities;
+using CounterStrikeSharp.API.Modules.Commands;
+using CounterStrikeSharp.API.Modules.Memory;
+using CounterStrikeSharp.API.Modules.Utils;
+using RayTraceAPI;
+
+namespace RayTraceImpl;
+
+// ReSharper disable once InconsistentNaming
+// ReSharper disable once UnusedType.Global
+public class RayTraceImpl : BasePlugin
+{
+    public override string ModuleName => "RayTraceImpl";
+    public override string ModuleVersion => "v1.0.0";
+    public override string ModuleAuthor => "Slynx";
+
+    internal static PluginCapability<CRayTraceInterface> RayTraceInterface { get; } = new("raytrace:craytraceinterface");
+
+    public override void Load(bool hotReload)
+    {
+        Capabilities.RegisterPluginCapability(RayTraceInterface, () => new CRayTrace());
+        RegisterListener<Listeners.OnMetamodAllPluginsLoaded>(OnMetamodAllPluginsLoaded);
+    }
+
+    public override void Unload(bool hotReload)
+    {
+        RemoveListener<Listeners.OnMetamodAllPluginsLoaded>(OnMetamodAllPluginsLoaded);
+    }
+
+    private void OnMetamodAllPluginsLoaded()
+    {
+        if (!NativeBridge.Initialize())
+        {
+            Prints.ServerLog("[RayTraceImpl] Native bridge initialization failed.", ConsoleColor.Red);
+            return;
+        }
+        Prints.ServerLog("[RayTraceImpl] Managed side initialized.", ConsoleColor.Green);
+    }
+}
+
+public class CRayTrace : CRayTraceInterface
+{
+    public unsafe bool TraceShape(Vector origin, QAngle angles, CBaseEntity? ignoreEntity, TraceOptions options, out TraceResult result)
+    {
+        result = default;
+
+        if (!NativeBridge.m_bRayTraceLoaded || NativeBridge.m_pRayTraceHandle == nint.Zero)
+            return false;
+
+        TraceResult resultBuffer = default;
+        TraceOptions optionsBuffer = options;
+
+        bool success = NativeBridge._traceShape!(NativeBridge.m_pRayTraceHandle,
+            origin.Handle,
+            angles.Handle,
+            ignoreEntity?.Handle ?? nint.Zero,
+            (nint)(&optionsBuffer),
+            (nint)(&resultBuffer));
+
+        result = resultBuffer;
+        return success;
+    }
+
+    public unsafe bool TraceEndShape(Vector origin, Vector endOrigin, CBaseEntity? ignoreEntity, TraceOptions options, out TraceResult result)
+    {
+        result = default;
+
+        if (!NativeBridge.m_bRayTraceLoaded || NativeBridge.m_pRayTraceHandle == nint.Zero)
+            return false;
+
+        TraceResult resultBuffer = default;
+        TraceOptions optionsBuffer = options;
+
+        bool success = NativeBridge._traceEndShape!(NativeBridge.m_pRayTraceHandle,
+            origin.Handle,
+            endOrigin.Handle,
+            ignoreEntity?.Handle ?? nint.Zero,
+            (nint)(&optionsBuffer),
+            (nint)(&resultBuffer));
+
+        result = resultBuffer;
+        return success;
+    }
+
+    public unsafe bool TraceHullShape(Vector vecStart, Vector vecEnd, Vector hullMins, Vector hullMaxs, CBaseEntity? ignoreEntity, TraceOptions options, out TraceResult result)
+    {
+        result = default;
+
+        if (!NativeBridge.m_bRayTraceLoaded || NativeBridge.m_pRayTraceHandle == nint.Zero)
+            return false;
+
+        TraceResult resultBuffer = default;
+        TraceOptions optionsBuffer = options;
+
+        bool success = NativeBridge._traceHullShape!(NativeBridge.m_pRayTraceHandle,
+            vecStart.Handle,
+            vecEnd.Handle,
+            hullMins.Handle,
+            hullMaxs.Handle,
+            ignoreEntity?.Handle ?? nint.Zero,
+            (nint)(&optionsBuffer),
+            (nint)(&resultBuffer));
+
+        result = resultBuffer;
+        return success;
+    }
+}
+
+public static class NativeBridge
+{
+    public static nint m_pRayTraceHandle = nint.Zero;
+    public static bool m_bRayTraceLoaded = false;
+
+    public static Func<nint, nint, nint, nint, nint, nint, bool>? _traceShape;
+    public static Func<nint, nint, nint, nint, nint, nint, bool>? _traceEndShape;
+    public static Func<nint, nint, nint, nint, nint, nint, nint, nint, bool>? _traceHullShape;
+
+    public static bool Initialize()
+    {
+        m_pRayTraceHandle = (nint)Utilities.MetaFactory("CRayTraceInterface001")!;
+
+        if (m_pRayTraceHandle == nint.Zero)
+        {
+            Prints.ServerLog("[RayTraceImpl] Failed to get Ray-Trace interface handle. Is Ray-Trace MetaMod module loaded?", ConsoleColor.Red);
+            return false;
+        }
+
+        Bind();
+        m_bRayTraceLoaded = true;
+        return true;
+    }
+
+    private static void Bind()
+    {
+        int traceShapeIndex = 2;
+        int traceEndShapeIndex = 3;
+        int traceHullShapeIndex = 4;
+
+        if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+        {
+            traceShapeIndex = 1;
+            traceEndShapeIndex = 2;
+            traceHullShapeIndex = 3;
+        }
+
+        _traceShape = VirtualFunction.Create<nint, nint, nint, nint, nint, nint, bool>(m_pRayTraceHandle, traceShapeIndex);
+        _traceEndShape = VirtualFunction.Create<nint, nint, nint, nint, nint, nint, bool>(m_pRayTraceHandle, traceEndShapeIndex);
+        _traceHullShape = VirtualFunction.Create<nint, nint, nint, nint, nint, nint, nint, nint, bool>(m_pRayTraceHandle, traceHullShapeIndex);
+    }
+}
+
+public static class Prints
+{
+    public static void ServerLog(string msg, ConsoleColor color = ConsoleColor.White)
+    {
+        Console.ForegroundColor = color;
+        Console.WriteLine(msg);
+        Console.ResetColor();
+    }
+}