chore: back to using hl2sdk

Co-authored-by: Michael Wilson <roflmuffin@users.noreply.github.com>

.github/workflows/publish-docs.yml

@@ -2,6 +2,7 @@ on:
   push:
     branches:
       - main
+  workflow_dispatch:  
 
 permissions:
   contents: read

configs/addons/counterstrikesharp/gamedata/gamedata.json

@@ -57,7 +57,7 @@
     "signatures": {
       "library": "server",
       "windows": "48 89 5C 24 ? 48 89 74 24 ? 55 57 41 ? 41 ? 41 ? 48 ? ? ? ? 48 ? ? ? ? ? ? 4D ? ? 48",
-      "linux": "55 48 89 E5 41 57 41 56 49 89 D6 41 55 49 89 CD 41 54 49 89 F4 53 48 89 FB 48 8D 3D"
+      "linux": "55 48 89 E5 41 57 41 56 4D 89 C6 41 55 49 89 D5 41 54 49 89 F4"
     }
   },
   "UTIL_Remove": {
@@ -84,10 +84,24 @@
   "CCSPlayer_WeaponServices_CanUse": {
     "signatures": {
       "library": "server",
-      "windows": "48 89 5C 24 ? 48 89 6C 24 ? 56 57 41 56 48 83 EC 30 48 8B 01",
+      "windows": "48 89 5C 24 ? 48 89 6C 24 ? 56 57 41 56 48 83 EC ? 48 8B 01 48 8B FA",
       "linux": "55 48 8D 15 ? ? ? ? 48 89 E5 41 55 49 89 FD 41 54 49 89 F4"
     }
   },
+  "CCSPlayer_ItemServices_CanAcquire": {
+    "signatures": {
+      "library": "server",
+      "windows": "44 89 44 24 ? 48 89 54 24 ? 48 89 4C 24 ? 55 56 57 41 54 41 55 41 56 41 57 48 8B EC",
+      "linux": "55 48 89 E5 41 57 41 56 41 55 49 89 CD 41 54 53 48 83 EC"
+    }
+  },
+  "GetCSWeaponDataFromKey": {
+    "signatures": {
+      "library": "server",
+      "windows": "48 89 5C 24 ? 48 89 74 24 ? 57 48 83 EC ? 48 8B FA 8B F1 48 85 D2 0F 84",
+      "linux": "55 48 89 E5 41 57 41 56 41 89 FE 41 55 41 54 45"
+    }
+  },
   "CCSPlayer_ItemServices_GiveNamedItem": {
     "offsets": {
       "windows": 19,
@@ -119,6 +133,12 @@
       "linux": "55 48 89 E5 41 57 41 56 41 55 41 54 49 89 FC 53 48 81 EC 88 00 00 00 48 8D 05 ? ? ? ?"
     }
   },
+  "CCSGameRules_FindPickerEntity": {
+    "offsets": {
+      "windows": 27,
+      "linux": 28
+    }
+  },
   "UTIL_CreateEntityByName": {
     "signatures": {
       "library": "server",
@@ -156,8 +176,8 @@
   },
   "CBasePlayerPawn_CommitSuicide": {
     "offsets": {
-      "windows": 377,
-      "linux": 377
+      "windows": 380,
+      "linux": 380
     }
   },
   "CBasePlayerPawn_RemovePlayerItem": {
@@ -239,5 +259,11 @@
       "windows": 2,
       "linux": 0
     }
+  },
+  "CheckTransmitPlayerSlot": {
+    "offsets": {
+      "windows": 584,
+      "linux": 584
+    }
   }
 }

docfx/docs/features/game-events.md

@@ -54,6 +54,9 @@ The specific subclass of `GameEvent` will provide strongly typed parameters from
 
 These event properties are mutable so you can update them as normal and they will update in the event instance.
 
+> [!CAUTION]
+> `GameEvent` instances and their properties will cease to exist after the event listener function is called, which means that you will encounter errors when accessing properties in timers and functions like `Server.NextFrame()`. You should store the value of properties in variables before calling functions like `Server.NextFrame()` so you can read the data safely.
+
 ## Preventing Broadcast
 
 You can modify a game event so that it does not get broadcast to clients by modifying the `bool info.DontBroadcast` property. e.g.

docfx/docs/guides/toc.yml

@@ -6,3 +6,6 @@
 
 - name: Dependency Injection
   href: dependency-injection.md
+
+- name: Referencing Players
+  href: referencing-players.md

docfx/docs/reference/toc.yml

@@ -1,5 +1,2 @@
 - name: Core Configuration
-  href: core-configuration.md
-
-- name: Referencing Players
-  href: referencing-players.md
+  href: core-configuration.md

examples/WithCheckTransmit/README.md

@@ -0,0 +1,2 @@
+# With CheckTransmit
+This example shows how to work with the `CheckTransmit` listener.

examples/WithCheckTransmit/WithCheckTransmit.csproj

@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\managed\CounterStrikeSharp.API\CounterStrikeSharp.API.csproj" />
+  </ItemGroup>
+
+</Project>

examples/WithCheckTransmit/WithCheckTransmitPlugin.cs

@@ -0,0 +1,115 @@
+using CounterStrikeSharp.API;
+using CounterStrikeSharp.API.Core;
+using CounterStrikeSharp.API.Core.Attributes;
+
+namespace WithCheckTransmit;
+
+[MinimumApiVersion(276)]
+public class WithCheckTransmitPlugin : BasePlugin
+{
+    public override string ModuleName => "Example: With CheckTransmit";
+    public override string ModuleVersion => "1.0.0";
+    public override string ModuleAuthor => "CounterStrikeSharp & Contributors";
+    public override string ModuleDescription => "A simple plugin that uses the CheckTransmit listener!";
+
+    private Dictionary<int, bool> ShouldSeeDoors = new Dictionary<int, bool>();
+
+    public override void Load(bool hotReload)
+    {
+        // This command is related to the following example.
+        AddCommand("nodoors", "Toggle door transmit", (player, info) =>
+        {
+            if (player == null)
+                return;
+
+            if (ShouldSeeDoors.ContainsKey(player.Slot))
+            {
+                ShouldSeeDoors[player.Slot] = !ShouldSeeDoors[player.Slot];
+            } else
+            {
+                ShouldSeeDoors.Add(player.Slot, false);
+            }
+
+            info.ReplyToCommand($"You should {(ShouldSeeDoors[player.Slot] ? "see" : "not see")} doors");
+        });
+
+        // In this example, we will hide every door for players that have enabled the option with the command 'nodoors'
+        RegisterListener<Listeners.CheckTransmit>((CCheckTransmitInfoList infoList) =>
+        {
+            // Get the list of the currently available doors (prop_door_rotating)
+            IEnumerable<CPropDoorRotating> doors = Utilities.FindAllEntitiesByDesignerName<CPropDoorRotating>("prop_door_rotating");
+
+            // Do nothing if there is none.
+            if (!doors.Any())
+                return;
+
+            // Go through every received info
+            foreach ((CCheckTransmitInfo info, CCSPlayerController? player) in infoList)
+            {
+                // If no player is found, we can continue
+                if (player == null)
+                    continue;
+
+                // Otherwise, lets do the work:
+
+                // Check if we should clear or not:
+
+                // If we have no data saved for this player, then we should not continue
+                if (!ShouldSeeDoors.ContainsKey(player.Slot))
+                    continue;
+
+                // If this value is true, then this player should see doors
+                if (ShouldSeeDoors[player.Slot])
+                    continue;
+
+                // Otherwise, lets remove the door entity indexes from the info list so they won't be transmitted
+                foreach (CPropDoorRotating door in doors)
+                {
+                    info.TransmitEntities.Remove(door);
+                }
+
+                // NOTE: this is a barebone example, saving data and doing sanity checks is up to you.
+            }
+        });
+
+        // In this example, we will hide other players in the same team as the player.
+        // NOTE: 'Hiding' players requires extra work to do, killing non-transmitted players results in crash.
+        RegisterListener<Listeners.CheckTransmit>((CCheckTransmitInfoList infoList) =>
+        {
+            // Get the list of the current players, we only work with this value later on
+            List<CCSPlayerController> players = Utilities.GetPlayers();
+
+            // Go through every received info
+            foreach ((CCheckTransmitInfo info, CCSPlayerController? player) in infoList)
+            {
+                // If no player is found, we can continue
+                if (player == null)
+                    continue;
+
+                // Otherwise, lets do the work:
+
+                // as an example, lets hide everyone for this player who is in the same team.
+                IEnumerable<CCSPlayerController> targetPlayers = players.Where(p =>
+                    // is the player and its pawn valid
+                    p.IsValid && p.Pawn.IsValid &&
+
+                    // we shouldn't hide ourselves
+                    p.Slot != player.Slot &&
+
+                    // is the player is in the same team
+                    p.Team == player.Team &&
+
+                    // is alive
+                    p.PlayerPawn.Value?.LifeState == (byte)LifeState_t.LIFE_ALIVE
+                );
+
+                foreach (CCSPlayerController targetPlayer in targetPlayers)
+                {
+                    // Calling 'Remove' will clear the entity index of the target player pawn from the transmission list
+                    // so it won't be transmitted for the 'player'.
+                    info.TransmitEntities.Remove(targetPlayer.Pawn);
+                }
+            }
+        });
+    }
+}

managed/CounterStrikeSharp.API/Core/API.cs

@@ -337,6 +337,16 @@ namespace CounterStrikeSharp.API.Core
 			}
 		}
 
+        public static float GetGameFrameTime(){
+			lock (ScriptContext.GlobalScriptContext.Lock) {
+			ScriptContext.GlobalScriptContext.Reset();
+			ScriptContext.GlobalScriptContext.SetIdentifier(0x97E331CA);
+			ScriptContext.GlobalScriptContext.Invoke();
+			ScriptContext.GlobalScriptContext.CheckErrors();
+			return (float)ScriptContext.GlobalScriptContext.GetResult(typeof(float));
+			}
+		}
+
         public static void IssueServerCommand(string command){
 			lock (ScriptContext.GlobalScriptContext.Lock) {
 			ScriptContext.GlobalScriptContext.Reset();

managed/CounterStrikeSharp.API/Core/Commands/CommandManager.cs

@@ -70,8 +70,13 @@ public class CommandManager : ICommandManager
 
         if (_commandDefinitions.TryGetValue(name, out var handler))
         {
-            foreach (var command in handler)
+            foreach (var command in handler.ToList())
             {
+                if (!handler.Contains(command))
+                {
+                    continue;
+                }
+
                 var methodInfo = command.Callback?.GetMethodInfo();
 
                 // We do not need to do permission checks on commands executed from the server console.

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

@@ -163,5 +163,12 @@ namespace CounterStrikeSharp.API.Core
         /// <param name="manifest">Resource Manifest</param>
         [ListenerName("OnServerPrecacheResources")]
         public delegate void OnServerPrecacheResources(ResourceManifest manifest);
+
+        /// <summary>
+        /// Called when checking transmit on entities.
+        /// </summary>
+        /// <param name="infoList">Transmit info list</param>
+        [ListenerName("CheckTransmit")]
+        public delegate void CheckTransmit([CastFrom(typeof(nint))]CCheckTransmitInfoList infoList);
     }
-}
+}

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

@@ -12,15 +12,17 @@ public partial class CBaseEntity
     public void Teleport(Vector? position = null, QAngle? angles = null, Vector? velocity = null)
     {
         Guard.IsValidEntity(this);
-    
+
         if (position == null && angles == null && velocity == null)
             throw new ArgumentNullException("No valid argument");
-    
+
         nint _position = position?.Handle ?? 0;
         nint _angles = angles?.Handle ?? 0;
         nint _velocity = velocity?.Handle ?? 0;
-    
-        VirtualFunction.CreateVoid<IntPtr, IntPtr, IntPtr, IntPtr>(Handle, GameData.GetOffset("CBaseEntity_Teleport"))(Handle, _position, _angles, _velocity);
+        nint _handle = Handle;
+
+        VirtualFunction.CreateVoid<IntPtr, IntPtr, IntPtr, IntPtr>(_handle, GameData.GetOffset("CBaseEntity_Teleport"))(_handle, _position,
+            _angles, _velocity);
     }
 
     /// <exception cref="InvalidOperationException">Entity is not valid</exception>

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

@@ -16,6 +16,7 @@
 
 using CounterStrikeSharp.API.Modules.Entities.Constants;
 using CounterStrikeSharp.API.Modules.Memory;
+using CounterStrikeSharp.API.Modules.Utils;
 
 namespace CounterStrikeSharp.API.Core;
 
@@ -28,4 +29,33 @@ public partial class CCSGameRules
     {
         VirtualFunctions.TerminateRound(Handle, roundEndReason, delay, 0, 0);
     }
-}
+
+    public T? FindPickerEntity<T>(CBasePlayerController player)
+        where T : CBaseEntity
+    {
+        VirtualFunctionWithReturn<CCSGameRules, CBasePlayerController, CBaseEntity?> CCSGameRules_FindPickerEntity = new (Handle, GameData.GetOffset("CCSGameRules_FindPickerEntity"));
+        CBaseEntity? entity = CCSGameRules_FindPickerEntity.Invoke(this, player);
+
+        if (entity == null || !entity.IsValid)
+        {
+            return null;
+        }
+
+        return entity.As<T>();
+    }
+
+    public CCSPlayerController? GetClientAimTarget(CCSPlayerController player)
+    {
+        CCSPlayerPawn? pawn = FindPickerEntity<CCSPlayerPawn>(player);
+
+        if (pawn == null || !pawn.IsValid)
+            return null;
+
+        if (pawn.DesignerName == "player")
+        {
+            return pawn.OriginalController.Value;
+        }
+
+        return null;
+    }
+}

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

@@ -340,4 +340,11 @@ public partial class CCSPlayerController
             NativeAPI.SetClientVoiceFlags(Handle, (Byte)value);
         }
     }
+
+    [Obsolete(
+        "You are trying to call Teleport on a non-physical player. Maybe you mean Pawn? (See: https://docs.cssharp.dev/docs/guides/referencing-players.html#controllers--pawns)")]
+    public new void Teleport(Vector? position = null, QAngle? angles = null, Vector? velocity = null)
+    {
+        base.Teleport(position, angles, velocity);
+    }
 }

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

@@ -15,6 +15,8 @@
  */
 
 using CounterStrikeSharp.API.Modules.Memory;
+using CounterStrikeSharp.API.Modules.Memory.DynamicFunctions;
+using CounterStrikeSharp.API.Modules.Utils;
 
 namespace CounterStrikeSharp.API.Core;
 
@@ -54,4 +56,9 @@ public partial class CCSPlayer_ItemServices
 
         return (T)Activator.CreateInstance(typeof(T), pointer)!;
     }
+
+    public AcquireResult CanAcquire(CEconItemView itemView, AcquireMethod method, IntPtr unknown = 0)
+    {
+        return VirtualFunctions.CCSPlayer_ItemServices_CanAcquireFunc.Invoke(this, itemView, method, unknown);
+    }
 }

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

@@ -0,0 +1,106 @@
+/*
+ *  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/>. *
+ */
+
+using System.Collections;
+using System.Runtime.InteropServices;
+
+namespace CounterStrikeSharp.API.Core
+{
+    [StructLayout(LayoutKind.Explicit)]
+    public struct CCheckTransmitInfo
+    {
+        /// <summary>
+        /// Entity n is already marked for transmission
+        /// </summary>
+        [FieldOffset(0x0)]
+        public CFixedBitVecBase TransmitEntities;
+
+        /// <summary>
+        /// Entity n is always send even if not in PVS (HLTV and Replay only)
+        /// </summary>
+        [FieldOffset(0x8)]
+        public CFixedBitVecBase TransmitAlways;
+    };
+
+    public sealed class CCheckTransmitInfoList : NativeObject, IReadOnlyList<(CCheckTransmitInfo info, CCSPlayerController? player)>
+    {
+        private int CheckTransmitPlayerSlotOffset = GameData.GetOffset("CheckTransmitPlayerSlot");
+
+        private unsafe nint* Inner => (nint*)base.Handle;
+
+        public unsafe int Count { get => (int)(*(this.Inner + 1)); }
+
+        public unsafe CCheckTransmitInfoList(IntPtr pointer) : base(pointer)
+            { }
+
+        /// <summary>
+        /// Get transmit info for the given index.
+        /// </summary>
+        /// <param name="index">Index of the info you want to retrieve from the list, should be between 0 and '<see cref="Count"/>' - 1</param>
+        /// <returns></returns>
+        public (CCheckTransmitInfo info, CCSPlayerController? player) this[int index]
+        {
+            get
+            {
+                var (transmit, slot) = this.Get(index);
+                CCSPlayerController? player = Utilities.GetPlayerFromSlot(slot);
+                return (transmit, player);
+            }
+        }
+
+        /// <summary>
+        /// Get transmit info for the given index.
+        /// </summary>
+        /// <param name="index">Index of the info you want to retrieve from the list, should be between 0 and '<see cref="Count"/>' - 1</param>
+        /// <returns></returns>
+        private unsafe (CCheckTransmitInfo, int) Get(int index)
+        {
+            if (index < 0 || index >= this.Count)
+            {
+                throw new ArgumentOutOfRangeException("index");
+            }
+
+            // 'base.Handle' holds the pointer for our 'CCheckTransmitInfoList' wrapper class
+
+            // Get the pointer to the array of 'CCheckTransmitInfo'
+            nint* infoListPtr = *(nint**)this.Inner; // Dereference 'Inner' to get the pointer to the array
+
+            // Access the specific 'CCheckTransmitInfo*'
+            nint infoPtr = *(infoListPtr + index);
+
+            // Retrieve the 'CCheckTransmitInfo' from the pointer
+            CCheckTransmitInfo info = Marshal.PtrToStructure<CCheckTransmitInfo>(infoPtr);
+
+            // Get player slot from the 'infoPtr' using the 'CheckTransmitPlayerSlotOffset' offset
+            int playerSlot = *(int*)((byte*)infoPtr + CheckTransmitPlayerSlotOffset);
+
+            return (info, playerSlot);
+        }
+
+        public IEnumerator<(CCheckTransmitInfo, CCSPlayerController?)> GetEnumerator()
+        {
+            for (int i = 0; i < this.Count; i++)
+            {
+                yield return this[i];
+            }
+        }
+
+        IEnumerator IEnumerable.GetEnumerator()
+        {
+            return this.GetEnumerator();
+        }
+    }
+}

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

@@ -0,0 +1,81 @@
+/*
+ *  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/>. *
+ */
+
+using System.Runtime.InteropServices;
+
+namespace CounterStrikeSharp.API.Core
+{
+    // credits: qstage
+    [StructLayout(LayoutKind.Sequential)]
+    public unsafe struct CFixedBitVecBase
+    {
+        private const int LOG2_BITS_PER_INT = 5;
+        private const int BITS_PER_INT = 32;
+
+        private readonly uint* m_Ints;
+
+        public void Add(CEntityInstance entityInstance) => Write(entityInstance.Index);
+
+        public void Add(int bitNum) => Write(bitNum);
+
+        public void Add(uint bitNum) => Write(bitNum);
+
+        public void Remove(CEntityInstance entityInstance) => Clear(entityInstance.Index);
+
+        public void Remove(int bitNum) => Clear(bitNum);
+
+        public void Remove(uint bitNum) => Clear(bitNum);
+
+        public bool Contains(CEntityInstance entityInstance) => Contains(entityInstance.Index);
+
+        public bool Contains(uint bitNum) => Contains((int)bitNum);
+
+        private void Clear(uint bitNum) => Clear((int)bitNum);
+
+        private void Write(uint bitNum) => Write((int)bitNum);
+
+        private void Clear(int bitNum)
+        {
+            if (!(bitNum >= 0 && bitNum < Utilities.MaxEdicts))
+                return;
+
+            uint* pInt = m_Ints + BitVec_Int(bitNum);
+            *pInt &= ~(uint)BitVec_Bit(bitNum);
+        }
+
+        private void Write(int bitNum)
+        {
+            if (!(bitNum >= 0 && bitNum < Utilities.MaxEdicts))
+                return;
+
+            uint* pInt = m_Ints + BitVec_Int(bitNum);
+            *pInt |= (uint)BitVec_Bit(bitNum);
+        }
+
+        public bool Contains(int bitNum)
+        {
+            if (!(bitNum >= 0 && bitNum < Utilities.MaxEdicts))
+                return false;
+
+            uint* pInt = m_Ints + BitVec_Int(bitNum);
+            return (*pInt & (uint)BitVec_Bit(bitNum)) != 0;
+        }
+
+        private int BitVec_Int(int bitNum) => bitNum >> LOG2_BITS_PER_INT;
+
+        private int BitVec_Bit(int bitNum) => 1 << (bitNum & (BITS_PER_INT - 1));
+    }
+}

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

@@ -0,0 +1,32 @@
+using System.Runtime.InteropServices;
+
+namespace CounterStrikeSharp.API.Core;
+
+public partial class CTakeDamageInfo
+{
+    /// <summary>
+    /// Retrieves the hitgroup
+    /// </summary>
+    /// <returns>
+    /// Returns a <see cref="HitGroup_t"/> enumeration representing the player's current hit group,
+    /// or <see cref="HitGroup_t.HITGROUP_INVALID"/> if the hit group cannot be determined.
+    /// </returns>
+    public HitGroup_t GetHitGroup()
+    {
+        IntPtr v4 = Marshal.ReadIntPtr(Handle, 0x78);
+
+        if (v4 == nint.Zero)
+        {
+            return HitGroup_t.HITGROUP_INVALID;
+        }
+
+        IntPtr v1 = Marshal.ReadIntPtr(v4, 16);
+
+        if (v1 == nint.Zero)
+        {
+            return HitGroup_t.HITGROUP_GENERIC;
+        }
+
+        return (HitGroup_t)Marshal.ReadInt32(v1, 56);
+    }
+}

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

@@ -2,7 +2,9 @@
 using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;
+using CounterStrikeSharp.API.Core;
 using CounterStrikeSharp.API.Modules.Entities;
+using CounterStrikeSharp.API.Modules.Memory;
 using CounterStrikeSharp.API.Modules.Utils;
 
 namespace CounterStrikeSharp.API.Modules.Commands.Targeting;
@@ -12,7 +14,9 @@ public class Target
     private TargetType Type { get; }
     private string Raw { get; }
     private string Slug { get; }
-    
+
+    internal CCSGameRulesProxy? _gameRulesEntity = null;
+
     public static readonly IReadOnlyDictionary<string, TargetType> TargetTypeMap = new Dictionary<string, TargetType>(StringComparer.OrdinalIgnoreCase)
     {
         { "@all", TargetType.GroupAll },
@@ -22,6 +26,7 @@ public class Target
         { "@dead", TargetType.GroupDead },
         { "@!me", TargetType.GroupNotMe },
         { "@me", TargetType.PlayerMe },
+        { "@aim", TargetType.PlayerAim },
         { "@ct", TargetType.TeamCt },
         { "@t", TargetType.TeamT },
         { "@spec", TargetType.TeamSpec }
@@ -49,7 +54,7 @@ public class Target
         {
             return false;
         }
-        
+
         slug = target.TrimStart('#');
         if (slug.StartsWith("STEAM")) targetType = TargetType.IdSteamEscaped;
         else if (!ulong.TryParse(slug, out _)) targetType = TargetType.ExplicitName;
@@ -80,48 +85,40 @@ public class Target
         }
     }
 
-    private bool TargetPredicate(CCSPlayerController player, CCSPlayerController? caller)
+    private bool TargetPredicate(CCSPlayerController player, CCSPlayerController? caller, CCSGameRules? gameRules = null)
     {
-        switch (Type)
+        return Type switch
         {
-            case TargetType.TeamCt:
-                return player.TeamNum == (byte)CsTeam.CounterTerrorist;
-            case TargetType.TeamT:
-                return player.TeamNum == (byte)CsTeam.Terrorist;
-            case TargetType.TeamSpec:
-                return player.TeamNum == (byte)CsTeam.Spectator;
-            case TargetType.GroupAll:
-                return !player.IsHLTV;
-            case TargetType.GroupBots:
-                return player.IsBot;
-            case TargetType.GroupHumans:
-                return !player.IsBot && !player.IsHLTV;
-            case TargetType.GroupAlive:
-                return player.PlayerPawn is { IsValid: true, Value.LifeState: (byte)LifeState_t.LIFE_ALIVE };
-            case TargetType.GroupDead:
-                return player.PlayerPawn is { IsValid: true, Value.LifeState: (byte)LifeState_t.LIFE_DEAD or (byte)LifeState_t.LIFE_DYING };
-            case TargetType.GroupNotMe:
-                return player.SteamID != caller?.SteamID;
-            case TargetType.PlayerMe:
-                return player.SteamID == caller?.SteamID;
-            case TargetType.IdUserid:
-                return player.UserId.ToString() == Slug;
-            case TargetType.IdSteamEscaped:
-                return ((SteamID)player.SteamID).SteamId2 == Slug;
-            case TargetType.IdSteam64:
-                return ((SteamID)player.SteamID).SteamId64.ToString() == Slug;
-            case TargetType.ExplicitName:
-            case TargetType.ImplicitName:
-                return player.PlayerName.Contains(Slug, StringComparison.OrdinalIgnoreCase);
-            default:
-                return false;
-        }
+            TargetType.PlayerAim => caller != null && player == gameRules!.GetClientAimTarget(caller),
+            TargetType.TeamCt => player.Team == CsTeam.CounterTerrorist,
+            TargetType.TeamT => player.Team == CsTeam.Terrorist,
+            TargetType.TeamSpec => player.Team == CsTeam.Spectator,
+            TargetType.GroupAll => !player.IsHLTV,
+            TargetType.GroupBots => player.IsBot,
+            TargetType.GroupHumans => !player.IsBot && !player.IsHLTV,
+            TargetType.GroupAlive => player.PlayerPawn is { IsValid: true, Value.LifeState: (byte)LifeState_t.LIFE_ALIVE },
+            TargetType.GroupDead => player.PlayerPawn is { IsValid: true, Value.LifeState: (byte)LifeState_t.LIFE_DEAD or (byte)LifeState_t.LIFE_DYING },
+            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),
+            _ => false
+        };
     }
 
     public TargetResult GetTarget(CCSPlayerController? caller)
     {
-        var players = Utilities.GetPlayers().Where(player => TargetPredicate(player, caller)).ToList();
-        
-        return new TargetResult() { Players = players };
+        if (Type == TargetType.PlayerAim)
+        {
+            if (_gameRulesEntity == null || !_gameRulesEntity.IsValid)
+            {
+                _gameRulesEntity = Utilities.FindAllEntitiesByDesignerName<CCSGameRulesProxy>("cs_gamerules").FirstOrDefault();
+            }
+        }
+
+        return new TargetResult() { Players = Utilities.GetPlayers().Where(player => TargetPredicate(player, caller, _gameRulesEntity?.GameRules)).ToList() };
     }
 }

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

@@ -14,6 +14,7 @@ public enum TargetType
     GroupNotMe, // @!me
 
     PlayerMe, // @me
+    PlayerAim, // @aim
 
     IdUserid, // #4
     IdSteamEscaped, // "#STEAM_0:1:8614"
@@ -22,4 +23,4 @@ public enum TargetType
     ExplicitName, // #name
     ImplicitName, // name
     Invalid
-}
+}

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

@@ -0,0 +1,81 @@
+using System.Text.Json;
+using System.Reflection;
+
+namespace CounterStrikeSharp.API.Modules.Extensions;
+
+public static class PluginConfigExtensions
+{
+    private static readonly JsonSerializerOptions _jsonSerializerOptions = new()
+    {
+        WriteIndented = true
+    };
+
+    public static JsonSerializerOptions JsonSerializerOptions => _jsonSerializerOptions;
+
+    /// <summary>
+    /// Gets the configuration file path
+    /// </summary>
+    /// <typeparam name="T">Type of the plugin configuration.</typeparam>
+    /// <param name="_">Current configuration instance</param>
+    public static string GetConfigPath<T>(this T _) where T : BasePluginConfig, new()
+    {
+        string assemblyName = typeof(T).Assembly.GetName().Name ?? string.Empty;
+        return Path.Combine(Server.GameDirectory, "csgo", "addons", "counterstrikesharp", "configs", "plugins", assemblyName, $"{assemblyName}.json");
+    }
+
+    /// <summary>
+    /// Updates the configuration file
+    /// </summary>
+    /// <typeparam name="T">Type of the plugin configuration.</typeparam>
+    /// <param name="config">Current configuration instance</param>
+    public static void Update<T>(this T config) where T : BasePluginConfig, new()
+    {
+        var configPath = config.GetConfigPath();
+
+        try
+        {
+            using var stream = new FileStream(configPath, FileMode.Create, FileAccess.Write, FileShare.None);
+            using var writer = new StreamWriter(stream);
+            writer.Write(JsonSerializer.Serialize(config, JsonSerializerOptions));
+        }
+        catch (Exception ex)
+        {
+            throw new Exception($"Failed to update configuration file at '{configPath}'.", ex);
+        }
+    }
+
+    /// <summary>
+    /// Reloads the configuration file and updates current configuration instance.
+    /// </summary>
+    /// <typeparam name="T">Type of the plugin configuration.</typeparam>
+    /// <param name="config">Current configuration instance</param>
+    public static void Reload<T>(this T config) where T : BasePluginConfig, new()
+    {
+        var configPath = config.GetConfigPath();
+
+        try
+        {
+            if (!File.Exists(configPath))
+            {
+                throw new FileNotFoundException($"Configuration file '{configPath} not found.");
+            }
+
+            var configContent = File.ReadAllText(configPath);
+
+            var newConfig = JsonSerializer.Deserialize<T>(configContent)
+                ?? throw new JsonException($"Deserialization failed for configuration file '{configPath}'.");
+
+            foreach (var property in typeof(T).GetProperties(BindingFlags.Instance | BindingFlags.Public))
+            {
+                if (property.CanWrite)
+                {
+                    property.SetValue(config, property.GetValue(newConfig));
+                }
+            }
+        }
+        catch (Exception ex)
+        {
+            throw new Exception($"Failed to reload configuration file at '{configPath}'.", ex);
+        }
+    }
+}

managed/CounterStrikeSharp.API/Modules/Memory/VirtualFunctions.cs

@@ -11,8 +11,7 @@ namespace CounterStrikeSharp.API.Modules.Memory;
 public static class VirtualFunctions
 {
     public static MemoryFunctionVoid<IntPtr, HudDestination, string, IntPtr, IntPtr, IntPtr, IntPtr> ClientPrintFunc =
-        new(
-            GameData.GetSignature("ClientPrint"));
+        new(GameData.GetSignature("ClientPrint"));
 
     public static Action<IntPtr, HudDestination, string, IntPtr, IntPtr, IntPtr, IntPtr> ClientPrint =
         ClientPrintFunc.Invoke;
@@ -68,7 +67,13 @@ public static class VirtualFunctions
     
     public static MemoryFunctionWithReturn<CCSPlayer_WeaponServices, CBasePlayerWeapon, bool> CCSPlayer_WeaponServices_CanUseFunc = new(GameData.GetSignature("CCSPlayer_WeaponServices_CanUse"));
     public static Func<CCSPlayer_WeaponServices, CBasePlayerWeapon, bool> CCSPlayer_WeaponServices_CanUse = CCSPlayer_WeaponServices_CanUseFunc.Invoke;
-    
+
+    public static MemoryFunctionWithReturn<int, string, CCSWeaponBaseVData> GetCSWeaponDataFromKeyFunc = new(GameData.GetSignature("GetCSWeaponDataFromKey"));
+    public static Func<int, string, CCSWeaponBaseVData> GetCSWeaponDataFromKey = GetCSWeaponDataFromKeyFunc.Invoke;
+
+    public static MemoryFunctionWithReturn<CCSPlayer_ItemServices, CEconItemView, AcquireMethod, IntPtr, AcquireResult> CCSPlayer_ItemServices_CanAcquireFunc = new(GameData.GetSignature("CCSPlayer_ItemServices_CanAcquire"));
+    public static Func<CCSPlayer_ItemServices, CEconItemView, AcquireMethod, IntPtr, AcquireResult> CCSPlayer_ItemServices_CanAcquire = CCSPlayer_ItemServices_CanAcquireFunc.Invoke;
+
     public static MemoryFunctionVoid<CCSPlayerPawnBase> CCSPlayerPawnBase_PostThinkFunc = new (GameData.GetSignature("CCSPlayerPawnBase_PostThink"));
     public static Action<CCSPlayerPawnBase> CCSPlayerPawnBase_PostThink = CCSPlayerPawnBase_PostThinkFunc.Invoke;
     

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

@@ -90,6 +90,7 @@ public abstract class BaseMenuInstance : IMenuInstance
 
     protected bool HasPrevButton => Page > 0;
     protected bool HasNextButton => Menu.MenuOptions.Count > NumPerPage && CurrentOffset + NumPerPage < Menu.MenuOptions.Count;
+    protected bool HasExitButton => Menu.ExitButton;
     protected virtual int MenuItemsPerPage => NumPerPage;
 
     public virtual void Display()
@@ -113,7 +114,7 @@ public abstract class BaseMenuInstance : IMenuInstance
             return;
         }
 
-        if (key == 9)
+        if (key == 9 && HasExitButton)
         {
             Close();
             return;
@@ -174,4 +175,4 @@ public abstract class BaseMenuInstance : IMenuInstance
         CurrentOffset = PrevPageOffsets.Pop();
         Display();
     }
-}
+}

managed/CounterStrikeSharp.API/Modules/Utils/AcquireMethod.cs

@@ -0,0 +1,23 @@
+/*
+ *  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/>. *
+ */
+
+namespace CounterStrikeSharp.API.Modules.Utils;
+
+public enum AcquireMethod : int
+{
+    PickUp = 0,
+    Buy,
+};

managed/CounterStrikeSharp.API/Modules/Utils/AcquireResult.cs

@@ -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/>. *
+ */
+
+namespace CounterStrikeSharp.API.Modules.Utils;
+
+public enum AcquireResult : int
+{
+    Allowed = 0,
+    InvalidItem,
+    AlreadyOwned,
+    AlreadyPurchased,
+    ReachedGrenadeTypeLimit,
+    ReachedGrenadeTotalLimit,
+    NotAllowedByTeam,
+    NotAllowedByMap,
+    NotAllowedByMode,
+    NotAllowedForPurchase,
+    NotAllowedByProhibition,
+};

managed/CounterStrikeSharp.API/Modules/Utils/RecipientFilter.cs

@@ -101,13 +101,11 @@ public class RecipientFilter : IList<CCSPlayerController>, IMarshalToNative
     public void Add(int slot)
     {
         var player = Utilities.GetPlayerFromSlot(slot);
-        if (player == null)
+        if (player != null)
         {
-            throw new ArgumentException($"Player with slot {slot} not found");
+            _recipients.Add(player);
+            CollectionChanged?.Invoke();
         }
-
-        _recipients.Add(player);
-        CollectionChanged?.Invoke();
     }
 
     public void AddAllPlayers()

managed/CounterStrikeSharp.API/Server.cs

@@ -46,28 +46,33 @@ namespace CounterStrikeSharp.API
         /// </summary>
         /// <remarks>Does not increment when server is hibernating</remarks>
         public static double TickedTime => NativeAPI.GetTickedTime();
-        
+
         /// <summary>
         /// Returns the current map time in seconds, as an interval of the server's tick interval.
         /// e.g. 70.046875 would represent 70 seconds of map time and the 4483rd tick of the server (70.046875 / 0.015625).
         /// </summary>
         /// <remarks>Increments even when server is hibernating</remarks>
         public static float CurrentTime => NativeAPI.GetCurrentTime();
-        
+
         /// <summary>
         /// Returns the current map tick count.
         /// CS2 is a 64 tick server, so the value will increment by 64 every second.
         /// </summary>
         public static int TickCount => NativeAPI.GetTickCount();
-        
+
         /// <summary>
         /// Returns the total time the server has been running in seconds.
         /// </summary>
         /// <remarks>Increments even when server is hibernating</remarks>
         public static double EngineTime => NativeAPI.GetEngineTime();
-        
+
+        /// <summary>
+        /// Returns the time spent on last server or client frame
+        /// </summary>
+        public static float FrameTime => NativeAPI.GetGameFrameTime();
+
         public static void PrecacheModel(string name) => NativeAPI.PrecacheModel(name);
-        
+
         /// <summary>
         /// <inheritdoc cref="RunOnTick"/>
         /// Returns Task that completes once the synchronous task has been completed.
@@ -78,7 +83,7 @@ namespace CounterStrikeSharp.API
             NativeAPI.QueueTaskForFrame(tick, functionReference);
             return functionReference.CompletionTask;
         }
-        
+
         /// <summary>
         /// Queue a task to be executed on the specified tick.
         /// See <see cref="TickCount"/> to retrieve the current tick.
@@ -108,7 +113,7 @@ namespace CounterStrikeSharp.API
         {
             NextFrameAsync(task);
         }
-        
+
         /// <summary>
         /// <inheritdoc cref="NextWorldUpdate"/>
         /// Returns Task that completes once the synchronous task has been completed.
@@ -119,7 +124,7 @@ namespace CounterStrikeSharp.API
             NativeAPI.QueueTaskForNextWorldUpdate(functionReference);
             return functionReference.CompletionTask;
         }
-        
+
         /// <summary>
         /// Queue a task to be executed on the next pre world update.
         /// <remarks>Executes if the server is hibernating.</remarks>
@@ -157,4 +162,4 @@ namespace CounterStrikeSharp.API
 
         public static void PrintToConsole(string s) => NativeAPI.PrintToServerConsole($"{s}\n\0");
     }
-}
+}

managed/CounterStrikeSharp.sln

@@ -1,5 +1,8 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.12.35309.182
+MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TestPlugin", "TestPlugin\TestPlugin.csproj", "{57E64289-5D69-4AA1-BEF0-D0D96A55EE8F}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CounterStrikeSharp.API", "CounterStrikeSharp.API\CounterStrikeSharp.API.csproj", "{55B47E41-61AA-4D75-9069-CB14328107B7}"
@@ -42,6 +45,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WithSharedTypesConsumer", "
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WithUserMessages", "..\examples\WithUserMessages\WithUserMessages.csproj", "{A14029BA-CADE-4F25-ADC5-48CF14332F61}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WithCheckTransmit", "..\examples\WithCheckTransmit\WithCheckTransmit.csproj", "{854B06B5-0E7B-438A-BA51-3F299557F884}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -108,14 +113,14 @@ Global
 		{6FA3107D-42AF-42A0-BF51-2230D13268B5}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{6FA3107D-42AF-42A0-BF51-2230D13268B5}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{6FA3107D-42AF-42A0-BF51-2230D13268B5}.Release|Any CPU.Build.0 = Release|Any CPU
-		{4E5289B5-E81D-421C-B340-B98B6FFE09D1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{4E5289B5-E81D-421C-B340-B98B6FFE09D1}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{4E5289B5-E81D-421C-B340-B98B6FFE09D1}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{4E5289B5-E81D-421C-B340-B98B6FFE09D1}.Release|Any CPU.Build.0 = Release|Any CPU
 		{1309954E-FAF7-47A5-9FF9-C7263B33E4E3}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{1309954E-FAF7-47A5-9FF9-C7263B33E4E3}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{1309954E-FAF7-47A5-9FF9-C7263B33E4E3}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{1309954E-FAF7-47A5-9FF9-C7263B33E4E3}.Release|Any CPU.Build.0 = Release|Any CPU
+		{4E5289B5-E81D-421C-B340-B98B6FFE09D1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{4E5289B5-E81D-421C-B340-B98B6FFE09D1}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{4E5289B5-E81D-421C-B340-B98B6FFE09D1}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{4E5289B5-E81D-421C-B340-B98B6FFE09D1}.Release|Any CPU.Build.0 = Release|Any CPU
 		{A37676EA-CF2F-424D-85A1-C359D07A679D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{A37676EA-CF2F-424D-85A1-C359D07A679D}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{A37676EA-CF2F-424D-85A1-C359D07A679D}.Release|Any CPU.ActiveCfg = Release|Any CPU
@@ -128,6 +133,13 @@ Global
 		{A14029BA-CADE-4F25-ADC5-48CF14332F61}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{A14029BA-CADE-4F25-ADC5-48CF14332F61}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{A14029BA-CADE-4F25-ADC5-48CF14332F61}.Release|Any CPU.Build.0 = Release|Any CPU
+		{854B06B5-0E7B-438A-BA51-3F299557F884}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{854B06B5-0E7B-438A-BA51-3F299557F884}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{854B06B5-0E7B-438A-BA51-3F299557F884}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{854B06B5-0E7B-438A-BA51-3F299557F884}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
 	EndGlobalSection
 	GlobalSection(NestedProjects) = preSolution
 		{57E64289-5D69-4AA1-BEF0-D0D96A55EE8F} = {7DF99C35-881D-4FF2-B1C9-246BD3DECB9A}
@@ -141,10 +153,14 @@ Global
 		{31EABE0B-871F-497B-BF36-37FFC6FAD15F} = {7DF99C35-881D-4FF2-B1C9-246BD3DECB9A}
 		{BB44E08E-CCA8-4E22-A132-11B2F69D1890} = {7DF99C35-881D-4FF2-B1C9-246BD3DECB9A}
 		{6FA3107D-42AF-42A0-BF51-2230D13268B5} = {7DF99C35-881D-4FF2-B1C9-246BD3DECB9A}
-		{4E5289B5-E81D-421C-B340-B98B6FFE09D1} = {7DF99C35-881D-4FF2-B1C9-246BD3DECB9A}
 		{1309954E-FAF7-47A5-9FF9-C7263B33E4E3} = {7DF99C35-881D-4FF2-B1C9-246BD3DECB9A}
+		{4E5289B5-E81D-421C-B340-B98B6FFE09D1} = {7DF99C35-881D-4FF2-B1C9-246BD3DECB9A}
 		{A37676EA-CF2F-424D-85A1-C359D07A679D} = {7DF99C35-881D-4FF2-B1C9-246BD3DECB9A}
 		{76AD7BB0-A096-4336-83E2-B32CAE4E9933} = {7DF99C35-881D-4FF2-B1C9-246BD3DECB9A}
 		{A14029BA-CADE-4F25-ADC5-48CF14332F61} = {7DF99C35-881D-4FF2-B1C9-246BD3DECB9A}
+		{854B06B5-0E7B-438A-BA51-3F299557F884} = {7DF99C35-881D-4FF2-B1C9-246BD3DECB9A}
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {069C4CD4-BACA-446A-A6B8-0194E4F75355}
 	EndGlobalSection
 EndGlobal

managed/TestPlugin/TestPlugin.cs

@@ -15,6 +15,7 @@
  */
 
 using System;
+using System.Collections.Generic;
 using System.Drawing;
 using System.Globalization;
 using System.IO;
@@ -301,6 +302,26 @@ namespace TestPlugin
                         return;
                 }
             });
+
+            // Hide every door (prop_door_rotating) for everyone as a test
+            RegisterListener<Listeners.CheckTransmit>((CCheckTransmitInfoList infoList) =>
+            {
+                IEnumerable<CPropDoorRotating> doors = Utilities.FindAllEntitiesByDesignerName<CPropDoorRotating>("prop_door_rotating");
+
+                if (!doors.Any())
+                    return;
+
+                foreach ((CCheckTransmitInfo info, CCSPlayerController? player) in infoList)
+                {
+                    if (player == null)
+                        continue;
+
+                    foreach (CPropDoorRotating door in doors)
+                    {
+                        info.TransmitEntities.Remove(door);
+                    }
+                }
+            });
         }
 
         private void SetupCommands()

src/core/globals.cpp

@@ -78,6 +78,7 @@ ISmmAPI* ismm = nullptr;
 CGameEntitySystem* entitySystem = nullptr;
 CCoreConfig* coreConfig = nullptr;
 CGameConfig* gameConfig = nullptr;
+ISource2GameEntities* gameEntities = nullptr;
 
 // Custom Managers
 CallbackManager callbackManager;

src/core/globals.h

@@ -94,6 +94,7 @@ extern ISource2Server* server;
 extern CGlobalEntityList* globalEntityList;
 extern EntityListener entityListener;
 extern CGameEntitySystem* entitySystem;
+extern ISource2GameEntities* gameEntities;
 
 extern EventManager eventManager;
 extern UserMessageManager userMessageManager;

src/core/managers/entity_manager.cpp

@@ -24,14 +24,24 @@
 #include <public/eiface.h>
 #include "scripting/callback_manager.h"
 
+SH_DECL_HOOK7_void(ISource2GameEntities, CheckTransmit, SH_NOATTRIB, 0, CCheckTransmitInfo**, int, CBitVec<16384>&, const Entity2Networkable_t**, const uint16*, int, bool);
+
 namespace counterstrikesharp {
 
-EntityManager::EntityManager() {}
+EntityManager::EntityManager()
+{
+    m_profile_name = "EntityManager";
+}
 
 EntityManager::~EntityManager() {}
 
+CCheckTransmitInfoList::CCheckTransmitInfoList(CCheckTransmitInfo** pInfoInfoList, int nInfoCount) : infoList(pInfoInfoList), infoCount(nInfoCount) {}
+
 void EntityManager::OnAllInitialized()
 {
+    SH_ADD_HOOK_MEMFUNC(ISource2GameEntities, CheckTransmit, globals::gameEntities, this, &EntityManager::CheckTransmit, true);
+
+    check_transmit = globals::callbackManager.CreateCallback("CheckTransmit");
     on_entity_spawned_callback = globals::callbackManager.CreateCallback("OnEntitySpawned");
     on_entity_created_callback = globals::callbackManager.CreateCallback("OnEntityCreated");
     on_entity_deleted_callback = globals::callbackManager.CreateCallback("OnEntityDeleted");
@@ -75,7 +85,10 @@ void EntityManager::OnShutdown()
     globals::callbackManager.ReleaseCallback(on_entity_created_callback);
     globals::callbackManager.ReleaseCallback(on_entity_deleted_callback);
     globals::callbackManager.ReleaseCallback(on_entity_parent_changed_callback);
+    globals::callbackManager.ReleaseCallback(check_transmit);
     globals::entitySystem->RemoveListenerEntity(&entityListener);
+
+    SH_REMOVE_HOOK_MEMFUNC(ISource2GameEntities, CheckTransmit, globals::gameEntities, this, &EntityManager::CheckTransmit, true);
 }
 
 void CEntityListener::OnEntitySpawned(CEntityInstance* pEntity)
@@ -156,6 +169,23 @@ void EntityManager::UnhookEntityOutput(const char* szClassname, const char* szOu
     }
 }
 
+void EntityManager::CheckTransmit(CCheckTransmitInfo** pInfoInfoList, int nInfoCount, CBitVec<16384>& unionTransmitEdicts, const Entity2Networkable_t** pNetworkables, const uint16* pEntityIndicies, int nEntityIndices, bool bEnablePVSBits)
+{
+    VPROF_BUDGET(m_profile_name.c_str(), "CS# CheckTransmit");
+    
+    auto callback = globals::entityManager.check_transmit;
+
+    if (callback && callback->GetFunctionCount()) {
+        CCheckTransmitInfoList* infoList = new CCheckTransmitInfoList(pInfoInfoList, nInfoCount);
+
+        callback->ScriptContext().Reset();
+        callback->ScriptContext().Push(infoList);
+        callback->Execute();
+
+        delete infoList;
+    }
+}
+
 void DetourFireOutputInternal(CEntityIOOutput* const pThis, CEntityInstance* pActivator,
                               CEntityInstance* pCaller, const CVariant* const value, float flDelay)
 {

src/core/managers/entity_manager.h

@@ -27,6 +27,8 @@
 
 #include <variant.h>
 
+#include "vprof.h"
+
 namespace counterstrikesharp {
 class ScriptCallback;
 
@@ -39,6 +41,14 @@ class CEntityListener : public IEntityListener {
     void OnEntityParentChanged(CEntityInstance *pEntity, CEntityInstance *pNewParent) override;
 };
 
+class CCheckTransmitInfoList {
+public:
+    CCheckTransmitInfoList(CCheckTransmitInfo** pInfoInfoList, int nInfoCount);
+private:
+    CCheckTransmitInfo** infoList;
+    int infoCount;
+};
+
 class EntityManager : public GlobalClass {
     friend CEntityListener;
 public:
@@ -51,10 +61,15 @@ public:
     CEntityListener entityListener;
     std::map<OutputKey_t, CallbackPair*> m_pHookMap;
 private:
+    void CheckTransmit(CCheckTransmitInfo** pInfoInfoList, int nInfoCount, CBitVec<16384>& unionTransmitEdicts, const Entity2Networkable_t** pNetworkables, const uint16* pEntityIndicies, int nEntityIndices, bool bEnablePVSBits);
+
     ScriptCallback *on_entity_spawned_callback;
     ScriptCallback *on_entity_created_callback;
     ScriptCallback *on_entity_deleted_callback;
     ScriptCallback *on_entity_parent_changed_callback;
+    ScriptCallback *check_transmit;
+
+    std::string m_profile_name;
 };
 
 

src/mm_plugin.cpp

@@ -102,6 +102,7 @@ bool CounterStrikeSharpMMPlugin::Load(PluginId id, ISmmAPI* ismm, char* error, s
     GET_V_IFACE_ANY(GetEngineFactory, globals::gameEventSystem, IGameEventSystem, GAMEEVENTSYSTEM_INTERFACE_VERSION);
     GET_V_IFACE_ANY(GetEngineFactory, globals::engineServiceManager, IEngineServiceMgr, ENGINESERVICEMGR_INTERFACE_VERSION);
     GET_V_IFACE_ANY(GetEngineFactory, globals::networkMessages, INetworkMessages, NETWORKMESSAGES_INTERFACE_VERSION);
+    GET_V_IFACE_ANY(GetServerFactory, globals::gameEntities, ISource2GameEntities, SOURCE2GAMEENTITIES_INTERFACE_VERSION);
 
     auto coreconfig_path = std::string(utils::ConfigsDirectory() + "/core");
     globals::coreConfig = new CCoreConfig(coreconfig_path);

src/scripting/listeners/entities.yaml

@@ -1,4 +1,5 @@
 OnEntitySpawned: entity:pointer
 OnEntityCreated: entity:pointer
 OnEntityDeleted: entity:pointer
-OnEntityParentChanged: entity:pointer, newParent:pointer
+OnEntityParentChanged: entity:pointer, newParent:pointer
+CheckTransmit: infoList:pointer

src/scripting/natives/natives_engine.cpp

@@ -245,7 +245,7 @@ REGISTER_NATIVES(engine, {
     ScriptEngine::RegisterNativeHandler("GET_TICK_INTERVAL", GetTickInterval);
     ScriptEngine::RegisterNativeHandler("GET_TICK_COUNT", GetTickCount);
     ScriptEngine::RegisterNativeHandler("GET_CURRENT_TIME", GetCurrentTime);
-    ScriptEngine::RegisterNativeHandler("GET_GAMEFRAME_TIME", GetGameFrameTime);
+    ScriptEngine::RegisterNativeHandler("GET_GAME_FRAME_TIME", GetGameFrameTime);
     ScriptEngine::RegisterNativeHandler("GET_ENGINE_TIME", GetEngineTime);
     ScriptEngine::RegisterNativeHandler("GET_MAX_CLIENTS", GetMaxClients);
     ScriptEngine::RegisterNativeHandler("ISSUE_SERVER_COMMAND", ServerCommand);

src/scripting/natives/natives_engine.yaml

@@ -6,6 +6,7 @@ GET_CURRENT_TIME: -> float
 GET_TICK_COUNT: -> int
 GET_ENGINE_TIME: -> double
 GET_MAX_CLIENTS: -> int
+GET_GAME_FRAME_TIME: -> float
 ISSUE_SERVER_COMMAND: command:string -> void
 PRECACHE_MODEL: name:string -> void
 PRECACHE_SOUND: name:string, preload:bool -> bool