1 files changed, 37 insertions, 16 deletions

diff --git a/src/headless/main.cpp b/src/headless/main.cpp
index 69e1e67..9366f12 100644
--- a/src/headless/main.cpp
+++ b/src/headless/main.cpp
@@ -1,13 +1,13 @@
 #ifdef OPENVIC_SIM_HEADLESS
 
-#include <openvic/utility/Logger.hpp>
 #include <openvic/GameManager.hpp>
 #include <openvic/dataloader/Dataloader.hpp>
+#include <openvic/utility/Logger.hpp>
 
 using namespace OpenVic;
 
 static char const* get_program_name(char const* name) {
-	static char const* const missing_name = "<program>";
+	static constexpr char const* missing_name = "<program>";
 	if (name == nullptr) return missing_name;
 	char const* last_separator = name;
 	while (*name != '\0') {
@@ -20,14 +20,8 @@ static char const* get_program_name(char const* name) {
 	return last_separator;
 }
 
-int main(int argc, char const* argv[]) {
-	if (argc < 2) {
-		std::cout << "Usage: " << get_program_name(argc > 0 ? argv[0] : nullptr) << " <base defines dir> [[mod defines dir]+]" << std::endl;
-		std::cout << "Requires defines path(s) as arguments, starting with the base defines and continuing with mods (paths with spaces need to be enclosed in \"quotes\")." << std::endl;
-		return -1;
-	}
-
-	std::cout << "!!! HEADLESS SIMULATION START !!!" << std::endl;
+static return_t headless_load(std::vector<std::filesystem::path> const& roots) {
+	return_t ret = SUCCESS;
 
 	Logger::set_info_func([](std::string&& str) { std::cout << str; });
 	Logger::set_error_func([](std::string&& str) { std::cerr << str; });
@@ -37,20 +31,47 @@ int main(int argc, char const* argv[]) {
 	} };
 	Dataloader dataloader;
 
-	std::vector<std::filesystem::path> roots;
-	for (int i = 1; i < argc; ++i) {
-		roots.push_back(argv[i]);
+	if (dataloader.set_roots(roots) != SUCCESS) {
+		Logger::error("Failed to set dataloader roots!");
+		ret = FAILURE;
 	}
-	dataloader.set_roots(roots);
-
 	if (dataloader.load_defines(game_manager) != SUCCESS) {
 		Logger::error("Failed to load defines!");
+		ret = FAILURE;
 	}
 	if (game_manager.load_hardcoded_defines() != SUCCESS) {
 		Logger::error("Failed to load hardcoded defines!");
+		ret = FAILURE;
 	}
 
+	return ret;
+}
+
+int main(int argc, char const* argv[]) {
+	std::vector<std::filesystem::path> roots;
+	if (argc < 2) {
+		// TODO - non-Windows default paths
+		static const std::filesystem::path default_path = "C:/Program Files (x86)/Steam/steamapps/common/Victoria 2";
+
+		std::cout << "Usage: " << get_program_name(argc > 0 ? argv[0] : nullptr) << " <base defines dir> [[mod defines dir]+]\n"
+			<< "Requires defines path(s) as arguments, starting with the base defines and continuing with mods.\n"
+			<< "(Paths with spaces need to be enclosed in \"quotes\").\n"
+			<< "Defaulting to " << default_path << std::endl;
+		roots.push_back(default_path);
+	} else {
+		for (int i = 1; i < argc; ++i) {
+			roots.push_back(argv[i]);
+		}
+	}
+
+	std::cout << "!!! HEADLESS SIMULATION START !!!" << std::endl;
+
+	const return_t ret = headless_load(roots);
+
 	std::cout << "!!! HEADLESS SIMULATION END !!!" << std::endl;
-	return 0;
+
+	std::cout << "\nLoad returned: " << (ret == SUCCESS ? "SUCCESS" : "FAILURE") << std::endl;
+
+	return ret == SUCCESS ? 0 : -1;
 }
 #endif