working weapon concealment

This commit is contained in:
2026-08-10 16:59:45 +02:00
parent 4e9500f0ea
commit 9a23169b6b
13 changed files with 927 additions and 66 deletions

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@@ -0,0 +1,13 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net10.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
<CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="CounterStrikeSharp.API" Version="1.0.369" />
<Compile Include="..\SendProxyNative.cs" Link="SendProxyNative.cs" />
</ItemGroup>
</Project>

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@@ -0,0 +1,248 @@
using CounterStrikeSharp.API;
using CounterStrikeSharp.API.Core;
using CounterStrikeSharp.API.Modules.Timers;
using SendProxyInterop;
using Timer = CounterStrikeSharp.API.Modules.Timers.Timer;
namespace SendProxyConcealedCarry;
public sealed class SendProxyConcealedCarryPlugin : BasePlugin
{
private const string WeaponListField = "m_pWeaponServices.m_hMyWeapons";
private const string ActiveWeaponField = "m_pWeaponServices.m_hActiveWeapon";
private readonly Dictionary<RuleKey, int> _activeRules = new();
private SendProxyNative? _sendProxy;
private Timer? _syncTimer;
public override string ModuleName => "SendProxy Concealed Carry";
public override string ModuleVersion => "0.1.0";
public override string ModuleAuthor => "OpenAI Codex";
public override void Load(bool hotReload)
{
_sendProxy = SendProxyNative.FromGameDirectory(Server.GameDirectory);
_syncTimer = AddTimer(0.25f, SyncRules, TimerFlags.REPEAT);
RegisterListener<Listeners.OnEntityCreated>(_ => Server.NextFrame(SyncRules));
RegisterListener<Listeners.OnEntityDeleted>(_ => Server.NextFrame(SyncRules));
Server.NextFrame(SyncRules);
}
public override void Unload(bool hotReload)
{
_syncTimer?.Kill();
ClearRules();
_sendProxy?.Dispose();
_sendProxy = null;
}
private void SyncRules()
{
if (_sendProxy == null)
return;
Dictionary<RuleKey, byte[]> desired;
try
{
var viewers = Utilities.GetPlayers()
.Where(player => player.IsValid && !player.IsBot && !player.IsHLTV)
.ToArray();
var targets = Utilities.GetPlayers()
.Where(player => player.IsValid && !player.IsHLTV)
.ToArray();
var targetStatesByPawnIndex = targets
.Select(player => new
{
player.Slot,
Pawn = player.PlayerPawn.Value,
})
.Where(entry => entry.Pawn != null && entry.Pawn.IsValid)
.GroupBy(entry => (int)entry.Pawn!.Index)
.ToDictionary(
group => group.Key,
group =>
{
var first = group.First();
var activeWeapon = first.Pawn!.WeaponServices?.ActiveWeapon.Value;
int activeWeaponIndex = activeWeapon != null && activeWeapon.IsValid ? (int)activeWeapon.Index : -1;
return new TargetState(first.Slot, activeWeaponIndex);
});
desired = BuildDesiredRules(viewers, targetStatesByPawnIndex);
}
catch (NativeException)
{
return;
}
ReconcileRules(desired);
}
private Dictionary<RuleKey, byte[]> BuildDesiredRules(
IReadOnlyCollection<CCSPlayerController> viewers,
IReadOnlyDictionary<int, TargetState> targetStatesByPawnIndex)
{
var desired = new Dictionary<RuleKey, byte[]>();
foreach (var (pawnIndex, target) in targetStatesByPawnIndex)
{
foreach (var viewer in viewers)
{
if (viewer.Slot == target.OwnerSlot)
continue;
desired[new RuleKey(
ToEngineSlot(viewer),
pawnIndex,
"CBasePlayerPawn",
WeaponListField)] = Array.Empty<byte>();
}
}
foreach (var weapon in EnumerateConcealableCarriedWeapons(targetStatesByPawnIndex))
{
if (weapon.EntityIndex == weapon.ActiveWeaponIndex)
continue;
foreach (var viewer in viewers)
{
if (viewer.Slot == weapon.OwnerSlot)
continue;
desired[new RuleKey(
ToEngineSlot(viewer),
weapon.EntityIndex,
"CBaseEntity",
"m_hOwnerEntity")] = UInt32Bytes(0xffffffff);
desired[new RuleKey(
ToEngineSlot(viewer),
weapon.EntityIndex,
"CBaseEntity",
"m_CBodyComponent.m_pSceneNode.m_hParent.m_hOwner")] = UInt32Bytes(0xffffffff);
desired[new RuleKey(
ToEngineSlot(viewer),
weapon.EntityIndex,
"CBaseEntity",
"m_CBodyComponent.m_pSceneNode.m_hParent.m_name")] = UInt32Bytes(0);
desired[new RuleKey(
ToEngineSlot(viewer),
weapon.EntityIndex,
"CBaseEntity",
"m_CBodyComponent.m_pSceneNode.m_nParentAttachmentOrBone")] = Int16Bytes(-1);
desired[new RuleKey(
ToEngineSlot(viewer),
weapon.EntityIndex,
"CBaseEntity",
"m_CBodyComponent.m_pSceneNode.m_hierarchyAttachName")] = UInt32Bytes(0);
desired[new RuleKey(
ToEngineSlot(viewer),
weapon.EntityIndex,
"CBaseEntity",
"m_CBodyComponent.m_pSceneNode.m_bForceParentToBeNetworked")] = new byte[] { 0 };
}
}
return desired;
}
private void ReconcileRules(Dictionary<RuleKey, byte[]> desired)
{
if (_sendProxy == null)
return;
foreach (var key in _activeRules.Keys.Except(desired.Keys).ToArray())
{
_sendProxy.RemoveOverride(_activeRules[key]);
_activeRules.Remove(key);
}
foreach (var (key, value) in desired)
{
if (_activeRules.ContainsKey(key))
continue;
int ruleId = value.Length == 0
? _sendProxy.SetVectorFirstFromField(
key.RecipientSlot,
key.EntityIndex,
key.ClassName,
key.FieldPath,
ActiveWeaponField)
: _sendProxy.SetBytes(
key.RecipientSlot,
key.EntityIndex,
key.ClassName,
key.FieldPath,
value);
if (ruleId != 0)
_activeRules[key] = ruleId;
}
}
private IEnumerable<ConcealableWeapon> EnumerateConcealableCarriedWeapons(IReadOnlyDictionary<int, TargetState> targetStatesByPawnIndex)
{
foreach (var entity in Utilities.GetAllEntities())
{
if (!entity.IsValid || !entity.DesignerName.StartsWith("weapon_", StringComparison.Ordinal))
continue;
CBasePlayerWeapon weapon = entity.As<CBasePlayerWeapon>();
if (!weapon.IsValid)
continue;
var owner = weapon.OwnerEntity.Value;
if (owner == null || !owner.IsValid)
continue;
if (!targetStatesByPawnIndex.TryGetValue((int)owner.Index, out var target))
continue;
yield return new ConcealableWeapon(
(int)weapon.Index,
target.OwnerSlot,
target.ActiveWeaponIndex);
}
}
private static byte[] UInt16Bytes(ushort value)
{
byte[] bytes = new byte[2];
BitConverter.TryWriteBytes(bytes, value);
return bytes;
}
private static byte[] Int16Bytes(short value)
{
byte[] bytes = new byte[2];
BitConverter.TryWriteBytes(bytes, value);
return bytes;
}
private static byte[] UInt32Bytes(uint value)
{
byte[] bytes = new byte[4];
BitConverter.TryWriteBytes(bytes, value);
return bytes;
}
private static int ToEngineSlot(CCSPlayerController player)
{
return Math.Max(0, player.Slot - 1);
}
private void ClearRules()
{
if (_sendProxy == null)
return;
foreach (int ruleId in _activeRules.Values)
_sendProxy.RemoveOverride(ruleId);
_activeRules.Clear();
}
private readonly record struct TargetState(int OwnerSlot, int ActiveWeaponIndex);
private readonly record struct ConcealableWeapon(int EntityIndex, int OwnerSlot, int ActiveWeaponIndex);
private readonly record struct RuleKey(int RecipientSlot, int EntityIndex, string ClassName, string FieldPath);
}

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@@ -0,0 +1,13 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net10.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
<CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="CounterStrikeSharp.API" Version="1.0.369" />
<Compile Include="..\SendProxyNative.cs" Link="SendProxyNative.cs" />
</ItemGroup>
</Project>

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@@ -0,0 +1,91 @@
using CounterStrikeSharp.API;
using CounterStrikeSharp.API.Core;
using CounterStrikeSharp.API.Modules.Timers;
using SendProxyInterop;
using Timer = CounterStrikeSharp.API.Modules.Timers.Timer;
namespace SendProxyHealth23;
public sealed class SendProxyHealth23Plugin : BasePlugin
{
private const int RecipientAll = -1;
private const int SpoofedHealth = 23;
private readonly Dictionary<int, int> _rulesByPawnIndex = new();
private SendProxyNative? _sendProxy;
private Timer? _syncTimer;
public override string ModuleName => "SendProxy Health 23";
public override string ModuleVersion => "0.1.0";
public override string ModuleAuthor => "OpenAI Codex";
public override void Load(bool hotReload)
{
_sendProxy = SendProxyNative.FromGameDirectory(Server.GameDirectory);
_syncTimer = AddTimer(0.25f, SyncRules, TimerFlags.REPEAT);
Server.NextFrame(SyncRules);
}
public override void Unload(bool hotReload)
{
_syncTimer?.Kill();
ClearRules();
_sendProxy?.Dispose();
_sendProxy = null;
}
private void SyncRules()
{
if (_sendProxy == null)
return;
int[] desiredPawnIndexes;
try
{
desiredPawnIndexes = Utilities.GetPlayers()
.Select(player => player.PlayerPawn.Value)
.Where(pawn => pawn != null && pawn.IsValid)
.Select(pawn => (int)pawn!.Index)
.Distinct()
.ToArray();
}
catch (NativeException)
{
return;
}
var desired = desiredPawnIndexes.ToHashSet();
foreach (int pawnIndex in _rulesByPawnIndex.Keys.Except(desired).ToArray())
{
_sendProxy.RemoveOverride(_rulesByPawnIndex[pawnIndex]);
_rulesByPawnIndex.Remove(pawnIndex);
}
foreach (int pawnIndex in desiredPawnIndexes)
{
if (_rulesByPawnIndex.ContainsKey(pawnIndex))
continue;
int ruleId = _sendProxy.SetInt32(
RecipientAll,
pawnIndex,
"CBaseEntity",
"m_iHealth",
SpoofedHealth);
if (ruleId != 0)
_rulesByPawnIndex[pawnIndex] = ruleId;
}
}
private void ClearRules()
{
if (_sendProxy == null)
return;
foreach (int ruleId in _rulesByPawnIndex.Values)
_sendProxy.RemoveOverride(ruleId);
_rulesByPawnIndex.Clear();
}
}

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@@ -6,19 +6,40 @@ namespace SendProxyInterop;
public sealed class SendProxyNative : IDisposable
{
private const string RelativeLibraryPath = "addons/sendproxy/bin/linuxsteamrt64/sendproxy.so";
private readonly IntPtr _library;
private readonly SetOverrideDelegate _setOverride;
private readonly SetVectorFirstFromFieldDelegate _setVectorFirstFromField;
private readonly RemoveOverrideDelegate _removeOverride;
private readonly ClearOverridesDelegate _clearOverrides;
private readonly MarkDirtyDelegate _markDirty;
private readonly DumpSchemaDelegate _dumpSchema;
private readonly DumpEnumDelegate _dumpEnum;
public SendProxyNative(string libraryPath)
{
_library = NativeLibrary.Load(libraryPath);
_setOverride = GetExport<SetOverrideDelegate>("SendProxy_SetOverride");
_setVectorFirstFromField = GetExport<SetVectorFirstFromFieldDelegate>("SendProxy_SetVectorFirstFromField");
_removeOverride = GetExport<RemoveOverrideDelegate>("SendProxy_RemoveOverride");
_clearOverrides = GetExport<ClearOverridesDelegate>("SendProxy_ClearOverrides");
_markDirty = GetExport<MarkDirtyDelegate>("SendProxy_MarkDirty");
_dumpSchema = GetExport<DumpSchemaDelegate>("SendProxy_DumpSchema");
_dumpEnum = GetExport<DumpEnumDelegate>("SendProxy_DumpEnum");
}
public static SendProxyNative FromGameDirectory(string gameDirectory)
{
string csgoDirectory = Path.GetFileName(gameDirectory).Equals("csgo", StringComparison.OrdinalIgnoreCase)
? gameDirectory
: Path.Combine(gameDirectory, "csgo");
string libraryPath = Path.Combine(csgoDirectory, RelativeLibraryPath);
if (!File.Exists(libraryPath))
throw new FileNotFoundException("SendProxy Metamod addon was not found. Install it under game/csgo/addons/sendproxy.", libraryPath);
return new SendProxyNative(libraryPath);
}
public int SetBytes(int recipientSlot, int entityIndex, string className, string fieldPath, ReadOnlySpan<byte> value)
@@ -61,6 +82,11 @@ public sealed class SendProxyNative : IDisposable
return SetBytes(recipientSlot, entityIndex, className, fieldPath, bytes);
}
public int SetVectorFirstFromField(int recipientSlot, int entityIndex, string className, string vectorFieldPath, string sourceFieldPath)
{
return _setVectorFirstFromField(recipientSlot, entityIndex, className, vectorFieldPath, sourceFieldPath);
}
public bool RemoveOverride(int ruleId)
{
return _removeOverride(ruleId);
@@ -76,6 +102,16 @@ public sealed class SendProxyNative : IDisposable
return _markDirty(entityIndex, className, fieldPath);
}
public void DumpSchema(string className, string contains)
{
_dumpSchema(className, contains);
}
public void DumpEnum(string enumName)
{
_dumpEnum(enumName);
}
public void Dispose()
{
NativeLibrary.Free(_library);
@@ -89,6 +125,9 @@ public sealed class SendProxyNative : IDisposable
[UnmanagedFunctionPointer(CallingConvention.Cdecl, CharSet = CharSet.Ansi)]
private delegate int SetOverrideDelegate(int recipientSlot, int entityIndex, string className, string fieldPath, byte[] value, int valueSize);
[UnmanagedFunctionPointer(CallingConvention.Cdecl, CharSet = CharSet.Ansi)]
private delegate int SetVectorFirstFromFieldDelegate(int recipientSlot, int entityIndex, string className, string vectorFieldPath, string sourceFieldPath);
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
[return: MarshalAs(UnmanagedType.I1)]
private delegate bool RemoveOverrideDelegate(int ruleId);
@@ -99,4 +138,10 @@ public sealed class SendProxyNative : IDisposable
[UnmanagedFunctionPointer(CallingConvention.Cdecl, CharSet = CharSet.Ansi)]
[return: MarshalAs(UnmanagedType.I1)]
private delegate bool MarkDirtyDelegate(int entityIndex, string className, string fieldPath);
[UnmanagedFunctionPointer(CallingConvention.Cdecl, CharSet = CharSet.Ansi)]
private delegate void DumpSchemaDelegate(string className, string contains);
[UnmanagedFunctionPointer(CallingConvention.Cdecl, CharSet = CharSet.Ansi)]
private delegate void DumpEnumDelegate(string enumName);
}

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@@ -24,11 +24,11 @@ public sealed class SendProxyWeaponVisibilityPlugin : BasePlugin
public override void Load(bool hotReload)
{
_sendProxy = new SendProxyNative(GetSendProxyLibraryPath());
_sendProxy = SendProxyNative.FromGameDirectory(Server.GameDirectory);
_syncTimer = AddTimer(0.25f, SyncRules, TimerFlags.REPEAT);
RegisterListener<Listeners.OnEntityCreated>(_ => Server.NextFrame(SyncRules));
RegisterListener<Listeners.OnEntityDeleted>(_ => Server.NextFrame(SyncRules));
SyncRules();
Server.NextFrame(SyncRules);
}
public override void Unload(bool hotReload)
@@ -45,9 +45,17 @@ public sealed class SendProxyWeaponVisibilityPlugin : BasePlugin
return;
var desired = new Dictionary<RuleKey, RuleValue>();
var viewers = Utilities.GetPlayers()
.Where(player => player.IsValid && !player.IsBot && !player.IsHLTV)
.ToArray();
CCSPlayerController[] viewers;
try
{
viewers = Utilities.GetPlayers()
.Where(player => player.IsValid && !player.IsBot && !player.IsHLTV)
.ToArray();
}
catch (NativeException)
{
return;
}
AddHealthRules(desired, viewers);
@@ -211,14 +219,6 @@ public sealed class SendProxyWeaponVisibilityPlugin : BasePlugin
_activeRules.Clear();
}
private string GetSendProxyLibraryPath()
{
string libraryPath = Path.Combine(Server.GameDirectory, "addons", "sendproxy", "bin", "linuxsteamrt64", "sendproxy.so");
if (!File.Exists(libraryPath))
throw new FileNotFoundException("SendProxy Metamod addon was not found. Install it under game/csgo/addons/sendproxy.", libraryPath);
return libraryPath;
}
private readonly record struct RuleKey(int RecipientSlot, int EntityIndex, string ClassName, string FieldPath);
private readonly record struct RuleValue(byte[] Bytes)