CS:OO (Counter Strike: Open Offensive)

This project is a modified version of Counter-Strike: Global Offensive (2017) before Operation Hydra update.

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🚧 Project Status

• Active development
• Experimental features
• Expect bugs and incomplete functionality
• Compiles with windows 10 sdk (10.0.22621.0) but currently the game crashes...

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📋 Requirements

✅ Microsoft Visual Studio 2015 (MSVC 2015)

This project requires Visual Studio 2015 Update 3 to build.

⚠️ Note: Installing the ATL/MFC components is required for successful compilation.

🛠️ How to install ATL/MFC:

1. Run the Visual Studio 2015 installer (vs_community.exe or similar).

2. Choose "Modify" if it's already installed, or "Custom Install" if installing for the first time.

3. In the "Select features" menu:

   • Expand "Programming Languages" > "Visual C++"

   • Check:

     • ✅ Common Tools for Visual C++ 2015
     • ✅ Microsoft Foundation Classes for C++ (this includes MFC and ATL)

4. Complete the installation.

💡 Support for newer compilers and CMake is planned for future updates.

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🛠 Setup Instructions (Windows)

1. Fix VPC paths Run vpc_fix.reg to add the necessary registry keys.

2. Generate Visual Studio solution Run CreateSolution.bat to generate the .sln file.

3. Build the project

   ⚠️ Note: Build in Release configuration currently debug doesnt work. Open csgo.sln in Visual Studio 2015 and build the solution.

4. Download game assets (Windows only) Use the following Steam CLI commands to download the required depots:

   download_depot 730 731 7043469183016184477
   download_depot 730 732 4047004309608881181

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🛠️ Setup instructions (CMake Windows)

⚠️ Note: CMake isn't complete yet; please use VPC for Windows.

This section outlines the prerequisites and steps for building the project using CMake on Windows.

Prerequisites

Ensure you have the following installed:

• Perl

• CMake

• Microsoft Visual Studio 2015 (MSVC 2015) Update 3

  • How to install ATL/MFC components for Visual Studio 2015:
    1. Run the Visual Studio 2015 installer (vs_community.exe or similar).
    2. Choose "Modify" if Visual Studio is already installed, or "Custom Install" for a new installation.
    3. In the "Select features" menu, expand "Programming Languages" > "Visual C++".
    4. Check the following:
       • ✅ Common Tools for Visual C++ 2015
       • ✅ Microsoft Foundation Classes for C++ (this includes MFC and ATL)
    5. Complete the installation.

Build Instructions

⚠️ Note: PLEASE DO NOT USE CMAKE you have been warned.

1. Generate Visual Studio solution Run CMakeCreateSoluion.bat to generate the .sln file.

2. Build the project Open cstrike15.sln found in build folder and open thje project with Visual Studio 2015 and build the solution.

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🛠️ Setup Instructions (Linux)

⚠️ Note: These instructions are incomplete. For best results, refer to Kisak’s official setup guide. This section provides a basic local build guide.

Prerequisites

Make sure you have the required dependencies installed:

sudo apt update
sudo apt install git build-essential cmake libsdl2-mixer-dev libsdl2-dev libgoogle-perftools-dev libopenal-dev libcurlpp-dev libssl-dev libfontconfig1-dev libcurl4-openssl-dev net-tools protobuf-compiler

Build Instructions

1. Create a build directory (if it doesn’t already exist):

mkdir -p cmake-build
cd cmake-build

2. Generate build files with CMake:

cmake ..

3. Build the project:

make

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✅ TODO

• Migrate from VPC to CMake
• Replace Scaleform/HTML UI with RML UI (Rocket)
• Improve project structure and modularity
• Clean up legacy code and remove unused components

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📌 Notes

• This version is not intended for public online play.
• The goal is to preserve and improve on a specific pre-Hydra snapshot of CS:GO.

📚 Resources & Credits

This project makes use of valuable resources and reference code from the following repositories:

• blackletum/csgo-src
• SwagSoftware/Kisak-Strike

Many thanks to the authors of these repositories for their contributions to the community.