Allow disabling the version checker

CMakeLists.txt

@@ -110,6 +110,7 @@ option(DISABLE_GOOGLE_BENCHMARK "Disable Google Benchmarks support." ON)
 option(DISABLE_HTTP "Disable HTTP support.")
 option(DISABLE_NETWORK "Disable multiplayer functionality. Mainly for testing.")
 option(DISABLE_TTF "Disable support for TTF provided by freetype2.")
+option(DISABLE_VERSION_CHECKER "Disable the check for newer versions.")
 option(ENABLE_SCRIPTING "Enable script / plugin support." ON)
 option(ENABLE_ASAN "Enable the AddressSanitizer.")
 option(ENABLE_UBSAN "Enable the UndefinedBehaviourSanitizer.")
@@ -136,7 +137,7 @@ if (MACOS_USE_DEPENDENCIES)
     message("Using OpenRCT2 dependencies instead of system libraries")
     # if we're building on macOS, then we need the dependencies
     include(cmake/download.cmake)
-    
+
     set(MACOS_DYLIBS_VERSION "37")
     set(MACOS_DYLIBS_ZIPFILE "openrct2-libs-v${MACOS_DYLIBS_VERSION}-universal-macos-dylibs.zip")
     set(MACOS_DYLIBS_SHA1 "6d633a881fc243e960e29d9c371915a7cdeeb880")
@@ -397,6 +398,9 @@ endif ()
 if (DISABLE_TTF)
     target_compile_options(libopenrct2 PUBLIC -DNO_TTF)
 endif ()
+if (DISABLE_VERSION_CHECKER)
+    target_compile_options(libopenrct2 PUBLIC -DDISABLE_VERSION_CHECKER)
+endif ()
 if (ENABLE_SCRIPTING)
     target_compile_options(libopenrct2 PUBLIC -DENABLE_SCRIPTING)
 endif ()

src/openrct2/Version.cpp

@@ -71,7 +71,7 @@ NewVersionInfo GetLatestVersion()
     // with invalid data.
     std::string tag = gVersionInfoTag;
     NewVersionInfo verinfo{ tag, "", "", "" };
-#ifndef DISABLE_HTTP
+#if !defined(DISABLE_HTTP) && !defined(DISABLE_VERSION_CHECKER)
     auto now = std::chrono::duration_cast<std::chrono::seconds>(std::chrono::system_clock::now().time_since_epoch()).count();
     auto then = Config::Get().general.LastVersionCheckTime;
     using namespace std::chrono_literals;