feat: client message.

CMakeLists.txt

@@ -91,16 +91,21 @@ set(SOURCE_FILES
     src/core/managers/server_manager.h
     src/scripting/natives/natives_server.cpp
     src/scripting/natives/natives_usermessages.cpp
+    src/scripting/natives/natives_clientmessages.cpp
     libraries/nlohmann/json.hpp
     src/core/managers/voice_manager.cpp
     src/core/managers/voice_manager.h
     src/core/managers/usermessage_manager.cpp
     src/core/managers/usermessage_manager.h
+    src/core/managers/clientmessage_manager.cpp
+    src/core/managers/clientmessage_manager.h
     src/scripting/natives/natives_dynamichooks.cpp
     src/core/game_system.h
     src/core/game_system.cpp
     src/core/UserMessage.h
     src/core/UserMessage.cpp
+    src/core/ClientMessage.h
+    src/core/ClientMessage.cpp
     src/core/recipientfilters.h
 )
 

configs/addons/counterstrikesharp/gamedata/gamedata.json

@@ -265,5 +265,11 @@
       "windows": 584,
       "linux": 584
     }
+  },
+  "CServerSideClient": {
+     "offsets": {
+       "windows": 8,
+       "linux": -64
+     }
   }
 }

docfx/examples/WithClientMessages.md

@@ -0,0 +1,5 @@
+[!INCLUDE [WithClientMessages](../../examples/WithClientMessages/README.md)]
+
+<a href="https://github.com/roflmuffin/CounterStrikeSharp/tree/main/examples/WithClientMessages" class="btn btn-secondary">View project on Github <i class="bi bi-github"></i></a>
+
+[!code-csharp[](../../examples/WithClientMessages/WithClientMessagesPlugin.cs)]

docfx/examples/toc.yml

@@ -21,6 +21,8 @@ items:
     href: WithTranslations.md
   - name: User Messages
     href: WithUserMessages.md
+  - name: Client Messages
+    href: WithClientMessages.md
   - name: Voice Overrides
     href: WithVoiceOverrides.md
   - name: Warcraft Plugin

examples/WithClientMessages/README.md

@@ -0,0 +1,2 @@
+# With Client Messages
+This is example shows how you can hook, interrupt and send Client Messages.

examples/WithClientMessages/WithClientMessages.csproj

@@ -0,0 +1,12 @@
+<Project Sdk="Microsoft.NET.Sdk">
+    <PropertyGroup>
+        <TargetFramework>net8.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+        <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
+        <CopyLocalLockFileAssemblies>false</CopyLocalLockFileAssemblies>
+    </PropertyGroup>
+    <ItemGroup>
+      <ProjectReference Include="..\..\managed\CounterStrikeSharp.API\CounterStrikeSharp.API.csproj" />
+    </ItemGroup>
+</Project>

examples/WithClientMessages/WithClientMessagesPlugin.cs

@@ -0,0 +1,40 @@
+using CounterStrikeSharp.API;
+using CounterStrikeSharp.API.Core;
+using CounterStrikeSharp.API.Core.Attributes;
+using CounterStrikeSharp.API.Modules.ClientMessages;
+using Microsoft.Extensions.Logging;
+using Serilog.Core;
+using System.Runtime.InteropServices;
+using System.Security.Cryptography;
+using System.Text;
+namespace WithClientMessages;
+
+[MinimumApiVersion(80)]
+public class WithClientMessagesPlugin : BasePlugin
+{
+    public override string ModuleName => "Example: With Client Messages";
+    public override string ModuleVersion => "1.0.0";
+    public override string ModuleAuthor => "CounterStrikeSharp & Contributors";
+    public override string ModuleDescription => "A simple plugin that hooks and sends Client Messages";
+
+    public override void Load(bool hotReload)
+    {
+        // Hooks can be added using the client message ID. In this case it's the ID for `CClientMsg_CustomGameEvent`.
+        HookClientMessage(280, cm =>
+        {
+            string event_name = cm.ReadString("event_name");
+            byte[] data = cm.ReadBytes("data");
+
+            // send back
+            var message = ClientMessage.FromPartialName("CClientMsg_CustomGameEvent");
+            message.SetString("event_name", event_name);
+            message.SetBytes("data", data);
+
+            var player = Utilities.GetPlayerFromSlot(cm.Sender)!;
+
+            message.Send(player);
+
+            return HookResult.Continue;
+        }, HookMode.Pre);
+    }
+}