CMakeLists: reorganise how system deps are handled.

Allowing each dependency to be system-wide or not is gonna be an
improvement, especially when it comes to IDE memory usage.

CMakeLists.txt

@@ -23,23 +23,21 @@ set(ZLIB_USE_STATIC_LIBS ON CACHE BOOL "" FORCE) # Required on setups where zlib
 
 option(SAVETOOL_USE_SYSTEM_LIBS "Use system-wide versions of the dependencies instead of the versions provided by submodules." OFF)
 
+include(CMakeDependentOption)
+cmake_dependent_option(SAVETOOL_USE_SYSTEM_CORRADE_MAGNUM "Use system-wide versions of Corrade and Magnum." ON "SAVETOOL_USE_SYSTEM_LIBS" OFF)
+cmake_dependent_option(SAVETOOL_USE_SYSTEM_SDL2 "Use a system-wide version of SDL2." ON "SAVETOOL_USE_SYSTEM_LIBS" OFF)
+cmake_dependent_option(SAVETOOL_USE_SYSTEM_LIBZIP "Use a system-wide version of libzip." ON "SAVETOOL_USE_SYSTEM_LIBS" OFF)
+cmake_dependent_option(SAVETOOL_USE_SYSTEM_EFSW "Use a system-wide version of EFSW." ON "SAVETOOL_USE_SYSTEM_LIBS" OFF)
+cmake_dependent_option(SAVETOOL_USE_SYSTEM_LIBCURL "Use a system-wide version of libcurl." ON "SAVETOOL_USE_SYSTEM_LIBS" OFF)
+
 if(NOT SAVETOOL_USE_SYSTEM_LIBS)
     # Generic variables shared by multiple libs that don't provide their own.
     set(BUILD_SHARED_LIBS OFF CACHE BOOL "" FORCE)
+    set(BUILD_STATIC_LIBS ON CACHE BOOL "" FORCE)
     set(BUILD_TESTING OFF CACHE BOOL "" FORCE)
+endif(NOT SAVETOOL_USE_SYSTEM_LIBS)
 
-    set(CORRADE_BUILD_DEPRECATED OFF CACHE BOOL "" FORCE)
-    set(CORRADE_BUILD_STATIC ON CACHE BOOL "" FORCE)
-    set(CORRADE_BUILD_STATIC_PIC ON CACHE BOOL "" FORCE)
-    set(CORRADE_BUILD_STATIC_UNIQUE_GLOBALS OFF CACHE BOOL "" FORCE)
-    set(CORRADE_BUILD_TESTS OFF CACHE BOOL "" FORCE)
-    set(CORRADE_WITH_INTERCONNECT OFF CACHE BOOL "" FORCE)
-    set(CORRADE_WITH_PLUGINMANAGER OFF CACHE BOOL "" FORCE)
-    set(CORRADE_WITH_TESTSUITE OFF CACHE BOOL "" FORCE)
-    set(CORRADE_WITH_MAIN ON CACHE BOOL "" FORCE)
-    set(CORRADE_UTILITY_USE_ANSI_COLORS ON CACHE BOOL "" FORCE)
-    add_subdirectory(third-party/corrade EXCLUDE_FROM_ALL)
-
+if(NOT SAVETOOL_USE_SYSTEM_SDL2)
     set(DIRECTX OFF CACHE BOOL "" FORCE) # We use OpenGL.
     set(SDL_ATOMIC OFF CACHE BOOL "" FORCE)
     set(SDL_CPUINFO OFF CACHE BOOL "" FORCE)
@@ -55,6 +53,19 @@ if(NOT SAVETOOL_USE_SYSTEM_LIBS)
     set(SDL_TIMERS ON CACHE BOOL "" FORCE)
     set(SDL_SHARED OFF CACHE BOOL "" FORCE)
     add_subdirectory(third-party/SDL EXCLUDE_FROM_ALL)
+endif(NOT SAVETOOL_USE_SYSTEM_SDL2)
+
+if(NOT SAVETOOL_USE_SYSTEM_CORRADE_MAGNUM)
+    set(CORRADE_BUILD_DEPRECATED OFF CACHE BOOL "" FORCE)
+    set(CORRADE_BUILD_STATIC ON CACHE BOOL "" FORCE)
+    set(CORRADE_BUILD_STATIC_PIC ON CACHE BOOL "" FORCE)
+    set(CORRADE_BUILD_STATIC_UNIQUE_GLOBALS OFF CACHE BOOL "" FORCE)
+    set(CORRADE_BUILD_TESTS OFF CACHE BOOL "" FORCE)
+    set(CORRADE_WITH_INTERCONNECT OFF CACHE BOOL "" FORCE)
+    set(CORRADE_WITH_PLUGINMANAGER OFF CACHE BOOL "" FORCE)
+    set(CORRADE_WITH_TESTSUITE OFF CACHE BOOL "" FORCE)
+    set(CORRADE_WITH_MAIN ON CACHE BOOL "" FORCE)
+    add_subdirectory(third-party/corrade EXCLUDE_FROM_ALL)
 
     set(MAGNUM_BUILD_STATIC ON CACHE BOOL "" FORCE)
     set(MAGNUM_BUILD_STATIC_PIC ON CACHE BOOL "" FORCE)
@@ -85,7 +96,9 @@ if(NOT SAVETOOL_USE_SYSTEM_LIBS)
     set(IMGUI_DIR ${CMAKE_CURRENT_SOURCE_DIR}/third-party/imgui)
     set(MAGNUM_WITH_IMGUI ON CACHE BOOL "" FORCE)
     add_subdirectory(third-party/magnum-integration EXCLUDE_FROM_ALL)
+endif(NOT SAVETOOL_USE_SYSTEM_CORRADE_MAGNUM)
 
+if(NOT SAVETOOL_USE_SYSTEM_LIBZIP)
     set(ENABLE_COMMONCRYPTO OFF CACHE BOOL "" FORCE)
     set(ENABLE_GNUTLS OFF CACHE BOOL "" FORCE)
     set(ENABLE_MBEDTLS OFF CACHE BOOL "" FORCE)
@@ -99,12 +112,16 @@ if(NOT SAVETOOL_USE_SYSTEM_LIBS)
     set(BUILD_EXAMPLES OFF CACHE BOOL "" FORCE)
     set(BUILD_DOC OFF CACHE BOOL "" FORCE)
     add_subdirectory(third-party/libzip EXCLUDE_FROM_ALL)
+endif(NOT SAVETOOL_USE_SYSTEM_LIBZIP)
 
+if(NOT SAVETOOL_USE_SYSTEM_EFSW)
     set(VERBOSE OFF CACHE BOOL "" FORCE)
     set(BUILD_TEST_APP OFF CACHE BOOL "" FORCE)
     set(EFSW_INSTALL OFF CACHE BOOL "" FORCE)
     add_subdirectory(third-party/efsw EXCLUDE_FROM_ALL)
+endif(NOT SAVETOOL_USE_SYSTEM_EFSW)
 
+if(NOT SAVETOOL_USE_SYSTEM_LIBCURL)
     set(BUILD_CURL_EXE OFF CACHE BOOL "" FORCE)
     set(ENABLE_UNICODE ON CACHE BOOL "" FORCE)
     set(ENABLE_INET_PTON OFF CACHE BOOL "" FORCE)
@@ -118,6 +135,6 @@ if(NOT SAVETOOL_USE_SYSTEM_LIBS)
     set(CURL_USE_SCHANNEL ON CACHE BOOL "" FORCE)
     set(CURL_USE_LIBSSH2 OFF CACHE BOOL "" FORCE) # For some reason, even when HTTP_ONLY is set to ON, libcurl will try to link to libssh2.
     add_subdirectory(third-party/curl EXCLUDE_FROM_ALL)
-endif(NOT SAVETOOL_USE_SYSTEM_LIBS)
+endif(NOT SAVETOOL_USE_SYSTEM_LIBCURL)
 
 add_subdirectory(src)

src/CMakeLists.txt

@@ -26,11 +26,18 @@ if(CORRADE_TARGET_WINDOWS)
 endif()
 find_package(Magnum REQUIRED GL Sdl2Application)
 find_package(MagnumIntegration REQUIRED ImGui)
-if(SAVETOOL_USE_SYSTEM_LIBS)
-    find_package(CURL REQUIRED HTTPS)
+
+if(SAVETOOL_USE_SYSTEM_LIBZIP)
     find_package(libzip REQUIRED)
+endif(SAVETOOL_USE_SYSTEM_LIBZIP)
+
+if(SAVETOOL_USE_SYSTEM_EFSW)
     find_package(efsw REQUIRED)
-endif()
+endif(SAVETOOL_USE_SYSTEM_EFSW)
+
+if(SAVETOOL_USE_SYSTEM_LIBCURL)
+    find_package(CURL REQUIRED HTTPS)
+endif(SAVETOOL_USE_SYSTEM_LIBCURL)
 
 set_directory_properties(PROPERTIES CORRADE_USE_PEDANTIC_FLAGS ON)
 
@@ -201,6 +208,8 @@ add_executable(MassBuilderSaveTool
     UpdateChecker/UpdateChecker.cpp
     Utilities/Crc32.h
     Utilities/Crc32.cpp
+    Utilities/Temp.h
+    Utilities/Temp.cpp
     Version/Version.h
     Version/Version.cpp
     ${Logger_SOURCES}
@@ -245,10 +254,16 @@ target_link_libraries(MassBuilderSaveTool PRIVATE
     CURL::libcurl_static
 )
 
-if(SAVETOOL_USE_SYSTEM_LIBS)
-    target_link_libraries(MassBuilderSaveTool PRIVATE libzip::zip efsw::efsw)
+if(SAVETOOL_USE_SYSTEM_LIBZIP)
+    target_link_libraries(MassBuilderSaveTool PRIVATE libzip::zip)
 else()
-    target_link_libraries(MassBuilderSaveTool PRIVATE zip efsw)
+    target_link_libraries(MassBuilderSaveTool PRIVATE zip)
+endif()
+
+if(SAVETOOL_USE_SYSTEM_EFSW)
+    target_link_libraries(MassBuilderSaveTool PRIVATE efsw::efsw)
+else()
+    target_link_libraries(MassBuilderSaveTool PRIVATE efsw)
 endif()
 
 if(CORRADE_TARGET_WINDOWS)

src/Configuration/Configuration.cpp

@@ -25,6 +25,7 @@
 #include <shlobj.h>
 
 #include "../Logger/Logger.h"
+#include "../Utilities/Temp.h"
 
 #include "Configuration.h"
 
@@ -123,6 +124,7 @@ Configuration::Configuration() {
     _directories.armours = Utility::Path::join(armoury_dir, "armours");
     _directories.weapons = Utility::Path::join(armoury_dir, "weapons");
     _directories.styles = Utility::Path::join(armoury_dir, "styles");
+    _directories.temp = Utility::Path::join(executable_location, "temp");
 
     if(!Utility::Path::exists(_directories.backups)) {
         LOG_WARNING("Backups directory not found, creating...");
@@ -160,6 +162,17 @@ Configuration::Configuration() {
         }
     }
 
+    if(!Utility::Path::exists(_directories.temp)) {
+        LOG_WARNING("Temporary directory not found, creating...");
+        if(!Utility::Path::make(_directories.temp)) {
+            LOG_ERROR(_lastError = "Couldn't create the temporary directory.");
+            return;
+        }
+    }
+    else {
+        Utilities::emptyTempDir();
+    }
+
     _valid = true;
 }
 

src/Configuration/Configuration.h

@@ -64,6 +64,7 @@ class Configuration {
             Containers::String armours;
             Containers::String weapons;
             Containers::String styles;
+            Containers::String temp;
         };
         auto directories() const -> Directories const&;
 

src/Logger/Logger.cpp

@@ -85,7 +85,7 @@ Logger::log(EntryType type, StringView location, StringView message) {
             break;
     }
 
-    d << "["_s << Debug::nospace << location << Debug::nospace << "]";
+    d << "["_s << Debug::nospace << location << Debug::nospace << "]"_s;
 
     for(auto i = 0u; i < _indentLevel; i++) {
         d << Debug::nospace << "    "_s << Debug::nospace;

src/Utilities/Temp.cpp

@@ -0,0 +1,88 @@
+// MassBuilderSaveTool
+// Copyright (C) 2021-2024 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include <Corrade/Containers/Array.h>
+#include <Corrade/Containers/Pair.h>
+#include <Corrade/Utility/Path.h>
+
+#include "../Configuration/Configuration.h"
+#include "../Logger/Logger.h"
+
+#include "Temp.h"
+
+namespace mbst { namespace Utilities {
+
+Containers::String
+getTempPath(Containers::StringView filename) {
+    return Utility::Path::join(conf().directories().temp, filename);
+}
+
+Containers::Optional<Containers::String>
+copyToTemp(Containers::StringView path) {
+    auto filename = Utility::Path::split(path).first();
+    auto dest = Utility::Path::join(conf().directories().temp, filename);
+
+    if(!Utility::Path::copy(path, dest)) {
+        LOG_ERROR_FORMAT("Couldn't copy {} to {}.", path, conf().directories().temp);
+        return Containers::NullOpt;
+    }
+
+    return Utility::move(dest);
+}
+
+Containers::Optional<Containers::String>
+moveToTemp(Containers::StringView path) {
+    auto filename = Utility::Path::split(path).first();
+    auto dest = Utility::Path::join(conf().directories().temp, filename);
+
+    if(!Utility::Path::move(path, dest)) {
+        LOG_ERROR_FORMAT("Couldn't move {} to {}.", path, conf().directories().temp);
+        return Containers::NullOpt;
+    }
+
+    return Utility::move(dest);
+}
+
+bool
+moveFromTemp(Containers::StringView filename, Containers::StringView destination) {
+    auto source = Utility::Path::join(conf().directories().temp, filename);
+    auto dest = Utility::Path::join(destination, filename);
+
+    if(!Utility::Path::move(source, dest)) {
+        LOG_ERROR_FORMAT("Couldn't move {} to {}.", filename, destination);
+        return false;
+    }
+
+    return true;
+}
+
+bool
+deleteTempFile(Containers::StringView filename) {
+    return Utility::Path::remove(Utility::Path::join(conf().directories().temp, filename));
+}
+
+void
+emptyTempDir() {
+    using Flag = Utility::Path::ListFlag;
+    auto files = Utility::Path::list(conf().directories().temp, Flag::SkipDirectories|Flag::SkipSpecial);
+    CORRADE_INTERNAL_ASSERT(files);
+
+    for(auto& filename : *files) {
+        deleteTempFile(filename);
+    }
+}
+
+}}

src/Utilities/Temp.h

@@ -0,0 +1,34 @@
+#pragma once
+
+// MassBuilderSaveTool
+// Copyright (C) 2021-2024 Guillaume Jacquemin
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include <Corrade/Containers/Optional.h>
+#include <Corrade/Containers/String.h>
+#include <Corrade/Containers/StringView.h>
+
+using namespace Corrade;
+
+namespace mbst { namespace Utilities {
+
+auto getTempPath(Containers::StringView filename) -> Containers::String;
+auto copyToTemp(Containers::StringView path) -> Containers::Optional<Containers::String>;
+auto moveToTemp(Containers::StringView path) -> Containers::Optional<Containers::String>;
+bool moveFromTemp(Containers::StringView filename, Containers::StringView destination);
+bool deleteTempFile(Containers::StringView filename);
+void emptyTempDir();
+
+}}