Replace boost and fmt functionality with C++20 features and update CEF

.github/workflows/build.yml

@@ -77,8 +77,8 @@ jobs:
           fi
 
   build_linux_gcc:
-    name: Linux GCC 11.4.0
-    runs-on: ubuntu-22.04
+    name: Linux GCC 13.3.0
+    runs-on: ubuntu-24.04
     if: >
       github.event_name == 'pull_request' ||
       ( contains(github.ref, 'main') && !contains(github.event.head_commit.message, '[no-ci]') ) ||
@@ -99,7 +99,7 @@ jobs:
         run: |
           sudo apt-get update -q
           sudo apt-get install libgl1-mesa-dev libglu1-mesa-dev libx11-dev
-          sudo apt-get install libxi-dev libgconf-2-4 libboost-all-dev lcov xvfb
+          sudo apt-get install libxi-dev lcov xvfb libfreetype-dev
       - name: Build Externals
         run: >
           ./make_externals.sh -G "Unix Makefiles"
@@ -130,15 +130,15 @@ jobs:
           path-to-lcov: ./build/linux-Release/coverage.info
 
   build_linux_clang:
-    name: Linux Clang 14.0
-    runs-on: ubuntu-22.04
+    name: Linux Clang 18.0
+    runs-on: ubuntu-24.04
     if: >
       github.event_name == 'pull_request' ||
       ( contains(github.ref, 'main') && !contains(github.event.head_commit.message, '[no-ci]') ) ||
       contains(github.event.head_commit.message, '[run-ci]')
     env:
-      CC: clang-14
-      CXX: clang++-14
+      CC: clang-18
+      CXX: clang++-18
       COSMOSCOUT_USE_PCH: false
       COSMOSCOUT_USE_UNITY_BUILD: false
     steps:
@@ -154,7 +154,7 @@ jobs:
         run: |
           sudo apt-get update -q
           sudo apt-get install libgl1-mesa-dev libglu1-mesa-dev libx11-dev
-          sudo apt-get install libxi-dev libgconf-2-4 libboost-all-dev
+          sudo apt-get install libxi-dev libfreetype-dev
       - name: Build Externals
         run: >
           ./make_externals.sh -G "Unix Makefiles"
@@ -184,7 +184,6 @@ jobs:
       ( contains(github.ref, 'main') && !contains(github.event.head_commit.message, '[no-ci]') ) ||
       contains(github.event.head_commit.message, '[run-ci]')
     env:
-      BOOST_ROOT_1_72_0: C:\hostedtoolcache\windows\Boost\1.72.0\x86_64
       COSMOSCOUT_USE_PCH: true
       COSMOSCOUT_USE_UNITY_BUILD: true
     steps:
@@ -200,13 +199,6 @@ jobs:
         uses: ilammy/msvc-dev-cmd@v1
       - name: Download Dependencies
         run: |
-          # From https://github.com/actions/virtual-environments/issues/2667
-          $url = "https://github.com/actions/boost-versions/releases/download/1.72.0-20200608.4/boost-1.72.0-win32-msvc14.2-x86_64.tar.gz"
-          (New-Object System.Net.WebClient).DownloadFile($url, "$env:TEMP\boost.tar.gz")
-          7z.exe x "$env:TEMP\boost.tar.gz" -o"$env:TEMP\boostArchive" -y | Out-Null
-          7z.exe x "$env:TEMP\boostArchive" -o"$env:TEMP\boost" -y | Out-Null
-          Push-Location -Path "$env:TEMP\boost"
-          Invoke-Expression .\setup.ps1
           choco install ninja
       - name: Build Externals
         shell: cmd
@@ -216,10 +208,9 @@ jobs:
       - name: Build CosmoScout VR
         shell: cmd
         run: |
-          cmake --preset windows-ninja-release-config -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DCMAKE_C_COMPILER_LAUNCHER=ccache -DBOOST_ROOT=%BOOST_ROOT_1_72_0%
+          cmake --preset windows-ninja-release-config -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DCMAKE_C_COMPILER_LAUNCHER=ccache
           cmake --build --preset windows-ninja-release-build
       - name: Run Tests
         shell: cmd
         run: |
-          SET PATH=%BOOST_ROOT_1_72_0%\\lib;%PATH%
           install\\windows-Release\\bin\\run_tests.bat

.github/workflows/deploy.yml

@@ -15,7 +15,7 @@ on:
 jobs:
   source_code:
     name: Source Code
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     steps:
     - name: Checkout Repository
       uses: actions/checkout@v4
@@ -35,7 +35,7 @@ jobs:
 
   release_linux:
     name: Linux
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     steps:
     - name: Checkout Repository
       uses: actions/checkout@v4
@@ -46,7 +46,7 @@ jobs:
         sudo apt-get update -q
         sudo apt-get install libgl1-mesa-dev libglu1-mesa-dev libx11-dev
         sudo apt-get install libxi-dev libgconf-2-4
-        sudo apt-get install libboost-all-dev
+        sudo apt-get install
     - name: Build Externals
       run: ./make_externals.sh -G "Unix Makefiles"
     - name: Build CosmoScout VR
@@ -70,29 +70,18 @@ jobs:
   release_windows:
     name: Windows
     runs-on: windows-2019
-    env:
-      BOOST_ROOT_1_72_0: C:\hostedtoolcache\windows\Boost\1.72.0\x86_64
     steps:
     - name: Checkout Repository
       uses: actions/checkout@v4
     - name: Checkout Submodules
       run: git submodule update --init --recursive
-    - name: Download Boost
-      run: |
-        # From https://github.com/actions/virtual-environments/issues/2667
-        $url = "https://github.com/actions/boost-versions/releases/download/1.72.0-20200608.4/boost-1.72.0-win32-msvc14.2-x86_64.tar.gz"
-        (New-Object System.Net.WebClient).DownloadFile($url, "$env:TEMP\boost.tar.gz")
-        7z.exe x "$env:TEMP\boost.tar.gz" -o"$env:TEMP\boostArchive" -y | Out-Null
-        7z.exe x "$env:TEMP\boostArchive" -o"$env:TEMP\boost" -y | Out-Null
-        Push-Location -Path "$env:TEMP\boost"
-        Invoke-Expression .\setup.ps1
     - name: Build Externals
       shell: cmd
       run: make_externals.bat -G "Visual Studio 16 2019" -A x64 
     - name: Build CosmoScout VR
       shell: cmd
       run: |
-        cmake --preset windows-vs-release-config -DBOOST_ROOT=%BOOST_ROOT_1_72_0%
+        cmake --preset windows-vs-release-config
         cmake --build --preset windows-vs-release-build
     - name: Create Release
       run: | 

CMakeLists.txt

@@ -10,7 +10,6 @@ project(cosmoscout-vr VERSION 1.10.0)
 
 # Use cmake 3.12's <PACKAGE>_ROOT variabled for searching.
 cmake_policy(SET CMP0074 NEW)
-# cmake_policy(SET CMP0167 OLD)
 
 # Ensure local modules (for dependencies etc.) are found.
 list(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake)
@@ -32,12 +31,6 @@ set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 
 include(GenerateExportHeader)
 
-# Boost and OpenGL must be present on your system. All other dependencies are included as submodules
-# in "externals/". Those must be built beforehand, preferably using the scripts "make_externals.*".
-set(Boost_REALPATH ON)
-set(Boost_USE_MULTITHREADED ON)
-set(Boost_USE_STATIC_LIBS OFF)
-find_package(Boost REQUIRED COMPONENTS system chrono date_time filesystem)
 find_package(OpenGL REQUIRED)
 
 # You have to provide the directory where the externals got installed to. The scripts make_*.sh and
@@ -184,30 +177,6 @@ install(
   FILES_MATCHING PATTERN "*.so*" PATTERN "*.dll*"
 )
 
-# Copy boost libraries to install directory.
-foreach(BOOST_LIB 
-  ${Boost_CHRONO_LIBRARY_DEBUG}
-  ${Boost_CHRONO_LIBRARY_RELEASE}
-  ${Boost_DATE_TIME_LIBRARY_DEBUG}
-  ${Boost_DATE_TIME_LIBRARY_RELEASE}
-  ${Boost_FILESYSTEM_LIBRARY_RELEASE}
-  ${Boost_FILESYSTEM_LIBRARY_DEBUG}
-  ${Boost_SYSTEM_LIBRARY_RELEASE}
-  ${Boost_SYSTEM_LIBRARY_DEBUG}
-)
-  if(EXISTS "${BOOST_LIB}")
-    get_filename_component(LIB_BASE_NAME ${BOOST_LIB} NAME_WE)
-    get_filename_component(LIB_PATH ${BOOST_LIB} PATH)
-    if (WIN32)
-      install(FILES ${LIB_PATH}/${LIB_BASE_NAME}.dll DESTINATION "lib")
-    endif()
-    if (UNIX)
-      file(GLOB LIB_FILES ${LIB_PATH}/${LIB_BASE_NAME}.so*)
-      install(FILES ${LIB_FILES} DESTINATION "lib")
-    endif()
-  endif()
-endforeach()
-
 # Install documentation directory
 install(DIRECTORY
   ${CMAKE_SOURCE_DIR}/docs
@@ -261,11 +230,11 @@ configure_file(
 # compiler settings --------------------------------------------------------------------------------
 
 add_definitions(
-  -DBOOST_ALL_DYN_LINK
   -DGLM_ENABLE_EXPERIMENTAL
   -DGLM_FORCE_SWIZZLE
   -DNOMINMAX
   -DSPDLOG_COMPILED_LIB
+  -DSPDLOG_USE_STD_FORMAT
 )
 
 if (MSVC)
@@ -294,7 +263,7 @@ else()
   )
 endif()
 
-set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 # Enable unit tests

LICENSE-3RD-PARTY.txt

@@ -34,36 +34,6 @@ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 THE POSSIBILITY OF SUCH DAMAGE.
 
 
-# ------------------------------------------------------------------------------------------------ #
-# Boost (system, chrono, filesystem, date_time)                                                    #
-# http://www.boost.org/LICENSE_1_0.txt                                                             #
-# ------------------------------------------------------------------------------------------------ #
-
-Boost Software License - Version 1.0 - August 17th, 2003
-
-Permission is hereby granted, free of charge, to any person or organization
-obtaining a copy of the software and accompanying documentation covered by
-this license (the "Software") to use, reproduce, display, distribute,
-execute, and transmit the Software, and to prepare derivative works of the
-Software, and to permit third-parties to whom the Software is furnished to
-do so, all subject to the following:
-
-The copyright notices in the Software and this entire statement, including
-the above license grant, this restriction and the following disclaimer,
-must be included in all copies of the Software, in whole or in part, and
-all derivative works of the Software, unless such copies or derivative
-works are solely in the form of machine-executable object code generated by
-a source language processor.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
-SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
-FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
-ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-DEALINGS IN THE SOFTWARE.
-
-
 # ------------------------------------------------------------------------------------------------ #
 # c-ares                                                                                           #
 # https://c-ares.haxx.se/license.html                                                              #

cmake/FindCEF.cmake

@@ -10,10 +10,10 @@ find_path(CEF_INCLUDE_DIR include/cef_version.h
     HINTS ${CEF_ROOT_DIR}/include/cef)
 
 # Locate library.
-find_path(CEF_RESOURCE_DIR cef.pak
+find_path(CEF_RESOURCE_DIR resources.pak
     HINTS ${CEF_ROOT_DIR}/share/cef)
 
-find_path(CEF_LIBRARY_DIR snapshot_blob.bin
+find_path(CEF_LIBRARY_DIR v8_context_snapshot.bin
     HINTS ${CEF_ROOT_DIR}/lib)
 
 find_library(CEF_LIBRARY NAMES cef libcef

make_externals.bat

@@ -207,7 +207,8 @@ echo.
 
 cmake -E make_directory "%BUILD_DIR%/spdlog" && cd "%BUILD_DIR%/spdlog"
 cmake %CMAKE_FLAGS% -DCMAKE_BUILD_TYPE=%BUILD_TYPE% -DCMAKE_INSTALL_PREFIX="%INSTALL_DIR%"^
-      -DSPDLOG_BUILD_TESTS=Off -DSPDLOG_ENABLE_PCH=On "%EXTERNALS_DIR%/spdlog" || goto :error
+      -DSPDLOG_BUILD_TESTS=Off -D SPDLOG_BUILD_EXAMPLE=Off -DSPDLOG_ENABLE_PCH=On^
+      -DSPDLOG_USE_STD_FORMAT=On "%EXTERNALS_DIR%/spdlog" || goto :error
 
 cmake --build . --config %BUILD_TYPE% --target install --parallel %NUMBER_OF_PROCESSORS% || goto :error
 
@@ -394,12 +395,12 @@ echo.
 echo Downloading, building and installing cef (this may take some time) ...
 echo.
 
-set CEF_DIR=cef_binary_88.1.6+g4fe33a1+chromium-88.0.4324.96_windows64_minimal
+set CEF_DIR=cef_binary_135.0.20+ge7de5c3+chromium-135.0.7049.85_windows64_minimal
 
 cmake -E make_directory "%BUILD_DIR%/cef/extracted" && cd "%BUILD_DIR%/cef"
 
 IF NOT EXIST cef.tar (
-  curl.exe https://cef-builds.spotifycdn.com/cef_binary_88.1.6%%2Bg4fe33a1%%2Bchromium-88.0.4324.96_windows64_minimal.tar.bz2 --output cef.tar.bz2
+  curl.exe https://cef-builds.spotifycdn.com/cef_binary_135.0.20+ge7de5c3+chromium-135.0.7049.85_windows64_minimal.tar.bz2 --output cef.tar.bz2
   cd "%BUILD_DIR%/cef/extracted"
   "%BUILD_DIR%/cef/bzip2/bin/bunzip2.exe" -v ../cef.tar.bz2
 ) else (

make_externals.sh

@@ -178,7 +178,8 @@ echo ""
 
 cmake -E make_directory "$BUILD_DIR/spdlog" && cd "$BUILD_DIR/spdlog"
 cmake "${CMAKE_FLAGS[@]}" -DCMAKE_INSTALL_PREFIX="$INSTALL_DIR" -DSPDLOG_BUILD_TESTS=Off \
-      -DCMAKE_POSITION_INDEPENDENT_CODE=On -DCMAKE_BUILD_TYPE=$BUILD_TYPE "$EXTERNALS_DIR/spdlog"
+      -DSPDLOG_USE_STD_FORMAT=On -DCMAKE_POSITION_INDEPENDENT_CODE=On \
+      -DCMAKE_BUILD_TYPE=$BUILD_TYPE "$EXTERNALS_DIR/spdlog"
 cmake --build . --target install --parallel "$(nproc)"
 
 # civetweb -----------------------------------------------------------------------------------------
@@ -306,10 +307,10 @@ echo ""
 echo "Downloading, building and installing cef ..."
 echo ""
 
-CEF_DIR=cef_binary_88.1.6+g4fe33a1+chromium-88.0.4324.96_linux64_minimal
+CEF_DIR=cef_binary_135.0.20+ge7de5c3+chromium-135.0.7049.85_linux64_minimal
 
 cmake -E make_directory "$BUILD_DIR/cef/extracted" && cd "$BUILD_DIR/cef"
-wget -nc https://cef-builds.spotifycdn.com/cef_binary_88.1.6%2Bg4fe33a1%2Bchromium-88.0.4324.96_linux64_minimal.tar.bz2
+wget -nc https://cef-builds.spotifycdn.com/cef_binary_135.0.20+ge7de5c3+chromium-135.0.7049.85_linux64_minimal.tar.bz2
 
 cd "$BUILD_DIR/cef/extracted"
 cmake -E tar xfj ../$CEF_DIR.tar.bz2

plugins/csl-node-editor/src/NodeFactory.cpp

@@ -31,8 +31,8 @@ std::string NodeFactory::getSocketSource() const {
   // This JavaScript code registers new rete socket types and adds custom CSS style snippets to the
   // web page to color the sockets.
   for (auto const& s : mSockets) {
-    source += fmt::format("CosmoScout.socketTypes['{0}'] = new Rete.Socket('{0}');\n", s.first);
-    source += fmt::format("addSocketStyle('{}', '{}');\n", s.first, s.second);
+    source += std::format("CosmoScout.socketTypes['{0}'] = new Rete.Socket('{0}');\n", s.first);
+    source += std::format("addSocketStyle('{}', '{}');\n", s.first, s.second);
   }
 
   return source;
@@ -73,7 +73,7 @@ std::string NodeFactory::getRegisterSource() const {
   // This sets up the required code for registering the rete components.
   for (auto const& f : mNodeCreateFuncs) {
     source += "{\n";
-    source += fmt::format("const component = new {}Component();\n", f.first);
+    source += std::format("const component = new {}Component();\n", f.first);
     source += "CosmoScout.nodeEditor.register(component);\n";
     source += "}\n";
   }

plugins/csp-atmospheres/scattering-table-generator/angstromMode.cpp

@@ -35,12 +35,12 @@ int angstromMode(std::vector<std::string> const& arguments) {
       "The scattering data will be written to <name>_scattering.csv and "
       "<name>_absorption.csv, respectively (default: \"" +
           cOutput + "\").");
-  args.addArgument({"--alpha"}, &cAlpha, fmt::format("The alpha parameter (default: {}).", cAlpha));
-  args.addArgument({"--beta"}, &cBeta, fmt::format("The beta parameter (default: {}).", cBeta));
+  args.addArgument({"--alpha"}, &cAlpha, std::format("The alpha parameter (default: {}).", cAlpha));
+  args.addArgument({"--beta"}, &cBeta, std::format("The beta parameter (default: {}).", cBeta));
   args.addArgument({"--single-scattering-albedo"}, &cSingleScatteringAlbedo,
-      fmt::format("The single-scattering albedo (default: {}).", cSingleScatteringAlbedo));
+      std::format("The single-scattering albedo (default: {}).", cSingleScatteringAlbedo));
   args.addArgument({"--scale-height"}, &cScaleHeight,
-      fmt::format("The scale height of the particles (default: {}).", cScaleHeight));
+      std::format("The scale height of the particles (default: {}).", cScaleHeight));
   common::addLambdaFlags(args, &cLambdas, &cMinLambda, &cMaxLambda, &cLambdaSamples);
   args.addArgument({"-h", "--help"}, &cPrintHelp, "Show this help message.");
 
@@ -82,8 +82,8 @@ int angstromMode(std::vector<std::string> const& arguments) {
     double beta_sca = cSingleScatteringAlbedo * beta_ext;
     double beta_abs = beta_ext - beta_sca;
 
-    scatteringOutput << fmt::format("{},{}", lambda, beta_sca) << std::endl;
-    absorptionOutput << fmt::format("{},{}", lambda, beta_abs) << std::endl;
+    scatteringOutput << std::format("{},{}", lambda, beta_sca) << std::endl;
+    absorptionOutput << std::format("{},{}", lambda, beta_abs) << std::endl;
   }
 
   return 0;

plugins/csp-atmospheres/scattering-table-generator/common.cpp

@@ -19,11 +19,11 @@ void addLambdaFlags(cs::utils::CommandLine& commandLine, std::string* lambdas, d
     double* maxLambda, int32_t* lambdaSamples) {
 
   commandLine.addArgument({"--min-lambda"}, minLambda,
-      fmt::format("The minimum wavelength in m (default: {})", *minLambda));
+      std::format("The minimum wavelength in m (default: {})", *minLambda));
   commandLine.addArgument({"--max-lambda"}, maxLambda,
-      fmt::format("The maximum wavelength in m (default: {})", *maxLambda));
+      std::format("The maximum wavelength in m (default: {})", *maxLambda));
   commandLine.addArgument({"--lambda-samples"}, lambdaSamples,
-      fmt::format("The number of wavelengths to compute (default: {})", *lambdaSamples));
+      std::format("The number of wavelengths to compute (default: {})", *lambdaSamples));
   commandLine.addArgument({"--lambdas"}, lambdas,
       "A comma-separated list of wavelengths in m. If provided, --min-lambda, --max-lambda, and "
       "--lambda-samples are ignored.");

plugins/csp-atmospheres/scattering-table-generator/densityMode.cpp

@@ -201,7 +201,7 @@ int densityMode(std::vector<std::string> const& arguments) {
   // Now write a density value for each altitude.
   auto densities = sampleDensities(densitySettings, cAltitudeSamples, cMinAltitude, cMaxAltitude);
   for (auto density : densities) {
-    output << fmt::format("{}", density) << std::endl;
+    output << std::format("{}", density) << std::endl;
   }
 
   return 0;