Command line args

curzel-it · Jun 23, 2024 · b2fbae5 · b2fbae5
1 parent 5ecb066
commit b2fbae5
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Showing 2 changed files with 40 additions and 7 deletions.
diff --git a/Sources/cpp/CMakeLists.txt b/Sources/cpp/CMakeLists.txt
@@ -40,9 +40,13 @@ find_package(Qt6 COMPONENTS Widgets REQUIRED)
 # Json
 find_package(nlohmann_json 3.2.0 REQUIRED)
 
+# Boost
+find_package(Boost 1.65 REQUIRED COMPONENTS program_options)
+include_directories(${Boost_INCLUDE_DIRS})
+
 # App executable
 add_executable(Main ${MAIN_SOURCES} ${CAPABILITIES_SOURCES} ${GAME_SOURCES} ${SPECIES_SOURCES} ${SPRITES_SOURCES} ${UTILS_SOURCES})
-target_link_libraries(Main PRIVATE nlohmann_json::nlohmann_json Qt6::Widgets)
+target_link_libraries(Main PRIVATE nlohmann_json::nlohmann_json Qt6::Widgets ${Boost_LIBRARIES})
 
 # Google Test
 enable_testing()
@@ -65,7 +69,7 @@ file(GLOB TEST_UTILS_SOURCES "src/utils/*.cpp")
 
 # Test executable
 add_executable(Test ${TEST_SOURCES} ${TEST_CAPABILITIES_SOURCES} ${TEST_GAME_SOURCES} ${TEST_SPECIES_SOURCES} ${TEST_SPRITES_SOURCES} ${TEST_UTILS_SOURCES})
-target_link_libraries(Test GTest::GTest GTest::Main Qt6::Widgets)
+target_link_libraries(Test GTest::GTest GTest::Main Qt6::Widgets ${Boost_LIBRARIES})
 
 # Test discovery
 gtest_discover_tests(Test)
diff --git a/Sources/cpp/src/main.cpp b/Sources/cpp/src/main.cpp
@@ -4,6 +4,7 @@
 #include <iostream>
 #include <memory>
 #include <thread>
+#include <boost/program_options.hpp>
 
 #include "app_window.h"
 #include "game/game.h"
@@ -18,16 +19,28 @@ const double ANIMATIONS_FPS = 10.0;
 const std::string SPECIES_PATH = "/Users/curzel/dev/bit-therapy/Species";
 const std::string ASSETS_PATH = "/Users/curzel/dev/bit-therapy/PetsAssets";
 
-void setupGame(Game * game, SpriteSetBuilder& builder);
+namespace po = boost::program_options;
+
+void setupGame(Game * game, SpriteSetBuilder& builder, std::string selectedSpecies);
 std::thread startGameLoop(Game * game);
+po::variables_map parseArgs(int argc, char *argv[]);
 
 int main(int argc, char *argv[]) {
+    auto args = parseArgs(argc, argv);
+    std::string selectedSpecies = "ape";
+
+    if (args.count("species")) {
+        selectedSpecies = args["species"].as<std::string>();
+    } else {
+        std::cout << "No species specified.\n";
+    }
+
     std::cout << "Starting..." << std::endl;
 
     SpriteSetBuilder builder = SpriteSetBuilder({});    
 
     Game game(GAME_FPS);
-    setupGame(&game, builder);    
+    setupGame(&game, builder, selectedSpecies);    
     auto gameLoop = startGameLoop(&game);
     // gameLoop.join();
 
@@ -45,14 +58,30 @@ int main(int argc, char *argv[]) {
     return app.exec();
 }
 
-void setupGame(Game * game, SpriteSetBuilder& builder) {
+po::variables_map parseArgs(int argc, char *argv[]) {
+    po::options_description desc("Allowed options");
+    desc.add_options()
+        ("help,h", "produce help message")
+        ("species", po::value<std::string>(), "enter species name");
+
+    po::variables_map vm;
+    po::store(po::parse_command_line(argc, argv, desc), vm);
+    po::notify(vm);
+
+    if (vm.count("help")) {
+        std::cout << desc << "\n";
+    }
+    return vm;
+}
+
+void setupGame(Game * game, SpriteSetBuilder& builder, std::string selectedSpecies) {
     auto assetPaths = listFiles(ASSETS_PATH, ".png");
     auto spriteSets = builder.spriteSets(assetPaths);
-    auto apeSprites = spriteSets["ape"];
+    auto apeSprites = spriteSets[selectedSpecies];
 
     auto frame = Rect(0.0, 0.0, 50.0, 50.0);
 
-    Species apeSpecies("ape", 1.0, 1.0);
+    Species apeSpecies(selectedSpecies, 1.0, 1.0);
     Entity ape(ANIMATIONS_FPS, 50.0, 1.0, apeSpecies, apeSprites, frame);
 
     game->add(ape);