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‎Extensions/ByteArrayEx.cs

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/*
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* This file is part of CounterStrikeSharp.
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* CounterStrikeSharp is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* CounterStrikeSharp is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with CounterStrikeSharp. If not, see <https://www.gnu.org/licenses/>. *
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*/
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namespace GDC
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{
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using System.Text;
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public static class ByteArrayEx
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{
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public static string Prettify(this byte?[] byteArray, string wildcard = "??")
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{
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StringBuilder sb = new StringBuilder();
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foreach (var b in byteArray)
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{
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if (b.HasValue)
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{
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sb.AppendFormat("{0:X2} ", b.Value);
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} else
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{
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sb.AppendFormat("{0} ", wildcard);
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}
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}
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return sb.ToString().Trim();
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}
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}
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}

‎Extensions/ListEx.cs

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/*
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* This file is part of CounterStrikeSharp.
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* CounterStrikeSharp is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* CounterStrikeSharp is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with CounterStrikeSharp. If not, see <https://www.gnu.org/licenses/>. *
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*/
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namespace GDC
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{
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public static class ListEx
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{
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public static Dictionary<TKey, List<TValue>> GroupByKey<TKey, TValue>(this IEnumerable<TValue> list, Func<TValue, TKey> keySelector)
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where TKey : notnull
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{
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Dictionary<TKey, List<TValue>> dictionary = new Dictionary<TKey, List<TValue>>();
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foreach (TValue value in list)
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{
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var key = keySelector(value);
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if (dictionary.ContainsKey(key))
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{
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dictionary[key].Add(value);
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} else
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{
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dictionary[key] = new List<TValue> { value };
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}
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}
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return dictionary;
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}
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}
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}

‎Extensions/StringEx.cs

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/*
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* This file is part of CounterStrikeSharp.
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* CounterStrikeSharp is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* CounterStrikeSharp is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with CounterStrikeSharp. If not, see <https://www.gnu.org/licenses/>. *
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*/
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namespace GDC
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{
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public static class StringEx
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{
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public static string UppercaseFirstLetter(this string input)
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{
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if (string.IsNullOrEmpty(input))
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return input;
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string lowercase = input.ToLower();
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char firstChar = char.ToUpper(lowercase[0]);
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return firstChar + lowercase.Substring(1);
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}
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}
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}

‎GDC.csproj

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net8.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Spectre.Console" Version="0.49.1" />
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</ItemGroup>
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<ItemGroup>
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<Using Include="System.Runtime.InteropServices" />
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<Using Include="System.Text.Json" />
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<Using Include="System.Text.Json.Serialization" />
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</ItemGroup>
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</Project>

‎GDC.sln

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 17
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VisualStudioVersion = 17.9.34526.213
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GDC", "GDC.csproj", "{5519DA7C-90FB-433C-A647-2F8A3ECB9358}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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Release|Any CPU = Release|Any CPU
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{5519DA7C-90FB-433C-A647-2F8A3ECB9358}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{5519DA7C-90FB-433C-A647-2F8A3ECB9358}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{5519DA7C-90FB-433C-A647-2F8A3ECB9358}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{5519DA7C-90FB-433C-A647-2F8A3ECB9358}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {491C9520-C80E-4905-B8BF-C660D5AB7A5D}
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EndGlobalSection
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EndGlobal

‎Models/Binary/BinaryFile.cs

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/*
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* This file is part of CounterStrikeSharp.
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* CounterStrikeSharp is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* CounterStrikeSharp is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with CounterStrikeSharp. If not, see <https://www.gnu.org/licenses/>. *
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*/
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namespace GDC
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{
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public class BinaryFile : IDisposable
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{
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public string FilePath { get; private set; }
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public string FileName { get; private set; }
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private byte[]? Data { get; set; }
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private nint NativeHandle { get; set; } = nint.Zero;
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public BinaryFile(string path)
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{
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this.FilePath = path;
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this.FileName = Path.GetFileName(this.FilePath);
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}
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public bool FindExport(string symbol, Action<nint>? callback = null)
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{
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if (this.NativeHandle == nint.Zero)
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{
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if (NativeLibrary.TryLoad(this.FilePath, out nint handle))
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{
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this.NativeHandle = handle;
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} else
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{
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throw new Exception($"Unable to load native library '{this.FileName}'");
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}
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}
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nint export = NativeLibrary.GetExport(this.NativeHandle, symbol);
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callback?.Invoke(export);
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return export != nint.Zero;
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}
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public async Task ReadBytesAsync()
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{
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this.Data = await File.ReadAllBytesAsync(this.FilePath);
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Log.Debug($"Parsed binary '[bold slateblue1]{this.FileName}[/]' ({this.Data.Length} bytes)");
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}
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public bool IsLoaded()
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{
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return this.Data != null;
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}
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public bool FindPattern(byte?[] pattern, Action<long>? callback = null)
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{
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if (this.Data == null)
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{
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return false;
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}
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string patternPrettified = pattern.Prettify();
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int count = 0;
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Log.Debug($"Searching for pattern '[bold lightskyblue1]{patternPrettified}[/]' in binary '[bold slateblue1]{this.FileName}[/]'...");
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for (long i = 0; i <= this.Data.LongLength - pattern.LongLength; i++)
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{
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long j;
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for (j = 0; j < pattern.LongLength; j++)
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{
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if (pattern[j].HasValue && this.Data[i + j] != pattern[j])
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break;
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}
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if (j == pattern.LongLength)
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{
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callback?.Invoke(i);
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count++;
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Log.Debug($"Found pattern '[bold lightskyblue1]{patternPrettified}[/]' in binary '[bold slateblue1]{this.FileName}[/]' at offset [bold lightskyblue1]0x{i:X}[/] ([]{count}[/]. match)");
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}
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}
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return count > 0;
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}
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public void Dispose()
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{
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this.Data = null;
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}
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}
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}

‎Models/Binary/GameBinary.cs

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/*
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* This file is part of CounterStrikeSharp.
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* CounterStrikeSharp is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* CounterStrikeSharp is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with CounterStrikeSharp. If not, see <https://www.gnu.org/licenses/>. *
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*/
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namespace GDC
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{
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public class GameBinary : BinaryFile
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{
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public string Name { get; set; }
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public OSPlatform Platform { get; set; }
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public GameBinary(string name, string path, OSPlatform platform) : base(path)
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{
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this.Name = name;
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this.Platform = platform;
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}
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}
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}

‎Models/GameData/GameData.cs

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/*
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* This file is part of CounterStrikeSharp.
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* CounterStrikeSharp is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* CounterStrikeSharp is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with CounterStrikeSharp. If not, see <https://www.gnu.org/licenses/>. *
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*/
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namespace GDC
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{
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using System.Collections.Concurrent;
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public class GameData : ConcurrentDictionary<string, GameDataValue>
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{
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public IEnumerable<GameDataSignature> GetSignatures()
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{
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return (IEnumerable<GameDataSignature>)this.Where(d => d.Value.Offsets == null && d.Value.Signatures != null).ToList();
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}
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public IEnumerable<GameDataSignature> GetSignatures(OSPlatform platform)
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{
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return this.GetSignatures().Where(s => s.IsValid(platform));
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}
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public IEnumerable<GameDataOffset> GetOffsets()
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{
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return (IEnumerable<GameDataOffset>)this.Where(d => d.Value.Offsets != null && d.Value.Signatures == null).ToList();
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}
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}
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}

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