int CreateKeyValues( int a1 )
{
    static auto image = ( std::uintptr_t )GetModuleHandleA( "engine.dl" );
    static auto procedure = reinterpret_cast< int( __cdecl* )( int ) >( image + 0x24B630 );
    return procedure( a1 );
}

DWORD* SetKeyValues( DWORD* a1, const char* a2 )
{
    static auto image = ( std::uintptr_t )GetModuleHandleA( "engine.dl" );
    static auto procedure = reinterpret_cast< DWORD*( __thiscall* )( DWORD*, const char* ) >( image + 0x24B5D0 );
    return procedure( a1, a2 );
}

DWORD* SetKeyValuesString( DWORD* a1, const char* a2, const char* a3 )
{
    static auto image = ( std::uintptr_t )GetModuleHandleA( "engine.dl" );
    static auto procedure = reinterpret_cast< DWORD*( __thiscall* )( DWORD*, const char*, const char* ) >( image + 0x24E0D0 );
    return procedure( a1, a2, a3 );
}

class IVEngineClient
{
public:
    void ServerCmdKeyValues( KeyValues* pKeyValues )
    {
        return memory::Call< 127, void >( this, pKeyValues );
    }
};

void SetClanTag( const char* clan_tag )
{
    DWORD* pKeyValues = ( DWORD* )CreateKeyValues( 32 );

    if( !pKeyValues )
        return;

    pKeyValues = SetKeyValues( pKeyValues, "ClanTagChanged" );
    SetKeyValuesString( pKeyValues, "tag", clan_tag );
    g_pEngineClient->ServerCmdKeyValues( pKeyValues );
}