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Compilation guide for Windows (using Visual Studio and vcpkg)

This guide contains steps required to allow compilation of Cataclysm-DDA on Windows using Visual Studio and vcpkg.

Steps from current guide were tested on Windows 10 (64 bit), Visual Studio 2019 (64 bit) and vcpkg, but should as well work with slight modifications for other versions of Windows and Visual Studio.

Prerequisites:

  • Computer with modern Windows operating system installed (Windows 10, Windows 8.1 or Windows 7);
  • NTFS partition with ~15 Gb free space (~10 Gb for Visual Studio, ~1 Gb for vcpkg installation, ~3 Gb for repository and ~1 Gb for build cache);
  • Git for Windows (installer can be downloaded from Git homepage);
  • Visual Studio 2019 (or 2015 Visual Studio Update 3 and above);
    • Note: If you are using Visual Studio 2022, you must install the Visual Studio 2019 compilers to work around a vcpkg bug. In the Visual Studio Installer, select the 'Individual components' tab and search for / select the component that looks like 'MSVC v142 - VS 2019 C++ x64/x86 Build Tools'. See microsoft/vcpkg#22287.
  • Latest version of vcpkg (see instructions on vcpkg homepage).

Note: Windows XP is unsupported!

Installation and configuration:

  1. Install Visual Studio (installer can be downloaded from Visual Studio homepage).

    • Select the "Desktop development with C++" and "Game development with C++" workloads.

  2. Install Git for Windows (installer can be downloaded from Git homepage).

  3. Install and configure vcpkg. If you already have vcpkg installed, you should update it to at least commit bd1ef2df46303989eeb048eb7aa9b816aa46365e (the most recent tested good revision) and rerun .\bootstrap-vcpkg.bat as described:

WARNING: It is important that, wherever you decide to clone this repo, the path does not include whitespace. That is, C:/dev/vcpkg is acceptable, but C:/dev test/vcpkg is not.

In a cmd.exe shell:

REM cd to the appropriate folder first
git clone https://github.com/Microsoft/vcpkg.git
cd vcpkg
.\bootstrap-vcpkg.bat -disableMetrics
.\vcpkg integrate install

In a Git Bash shell, the commands are almost the same except the filesystem path separator is / instead of \.

# cd to the appropriate folder first
git clone https://github.com/Microsoft/vcpkg.git
cd vcpkg
./bootstrap-vcpkg.bat -disableMetrics
./vcpkg.exe integrate install

Cloning and compilation:

  1. Clone Cataclysm-DDA repository with following command line:

Note: This will download the entire CDDA repository; about three gigs of data. If you're just testing you should probably add --depth=1.

git clone https://github.com/CleverRaven/Cataclysm-DDA.git
cd Cataclysm-DDA

  1. Open the provided solution (msvc-full-features\Cataclysm-vcpkg-static.sln) in Visual Studio.

    • Note: If you are using Visual Studio 2022, the first time you open the solution, it will prompt you to "Retarget Projects". Unless you know what you are doing, hit cancel on this dialog.

  2. Open the Build > Configuration Manager menu and adjust Active solution configuration and Active solution platform to match your intended target.

    • The Release configuration and x64 platform together make a good default setting. Debug is too slow and should be reserved for breakpoint debugging with code stepping.
    • This will configure Visual Studio to compile the release version, with support for Sound, Tiles, and Localization (note, however, that language files themselves are not automatically compiled; this will be done later).

  3. Start the build process by selecting either Build > Build Solution or Build > Build > 1 Cataclysm-vcpkg-static. The process may take a long period of time, so you'd better prepare a cup of coffee and some books in front of your computer :) The first build of each architecture will also download and install dependencies through vcpkg, which can take an especially long time.

  4. If you need localization support, execute the bash script lang/compile_mo.sh inside Git Bash GUI just like on a UNIX-like system. This will compile the language files that were not automatically compiled in step 2 above.

Even if you do not need languages other than English, you may still want to execute lang/compile_mo.sh to compile the language files if you're planning to run the unit tests, since those rely on the language files existing.

Running and debugging Cataclysm

  1. Ensure that the Cataclysm project (Cataclysm-vcpkg-static) is the selected startup project.

    • By default it should be already. If the project name is Bold in the Solution Explorer pane, then it is already set.
    • Otherwise, right click the project in the Solution Explorer pane, select Set as Startup Project.

  2. Run or debug Cataclysm

    • To debug with the debugger attached, press the 'Local Windows Debugger' button at the top of the window with a solid green arrow on it, or press F5 which is the default shortcut, or go to the Debug menu and select 'Start Debugging'.
    • To run without a debugger, press the empty green arrow next to the 'Local Windows Debugger', or the default shortcut ctrl-F5, or go to the Debug menu and select 'Start Without Debugging'.

When debugging, it is not strictly necessary to use a Debug build; Release builds run significantly faster, can still be run in the debugger, and most of the time will have most of the information you need.

Running unit tests

  1. Ensure that the Cataclysm test project (Cataclysm-test-vcpkg-static) is the selected startup project.

    • This is done the same way as you do it for Cataclysm, except for the test project.

  2. Configure any extra command line arguments for the tests.

    • Under Configuration Properties > Debugging, change Command Arguments to the needed arguments.
    • --wait-for-keypress exit can be helpful by keeping the test window open at the end until you press Enter.

  3. Run the tests

    • The same ways you run Cataclysm can be used to run the unit tests, assuming you've set the test project as the startup project.

Additional command line arguments may be configured in the project's command line arguments setting, or if you are using a compatible unit test runner (e.g. Resharper) you can run or debug individual tests from the unit test sessions. You can also start the test runner library manually from Windows console. Run it with --help for an overview of the arguments.

It is recommended you run the unit tests in a Release configuration. Debug builds of the unit tests generally run intolerably slowly, but can raise signal that Release builds will not catch, like invalid iterators or improper STL usage.

Make a distribution

There is a batch script in msvc-full-features folder distribute.bat. It will create a sub folder distribution and copy all required files(eg. data/, Cataclysm.exe and dlls) into that folder. Then you can zip it and share the archive on the Internet.