Move the log creation code to a header file

CMakeLists.txt

@@ -34,6 +34,8 @@ add_library(${PROJECT_NAME} SHARED
 
 	"include/export.h"
 
+	"include/engine.hpp"
+
 	"include/log.hpp"
 
 	"include/window.hpp"
@@ -80,7 +82,7 @@ target_include_directories(${PROJECT_NAME} PRIVATE src)
 
 # Pass some project information into the source code
 configure_file(config.h.in config.h)
-target_include_directories(${PROJECT_NAME} PUBLIC ${CMAKE_CURRENT_BINARY_DIR})
+target_include_directories(${PROJECT_NAME} PRIVATE ${CMAKE_CURRENT_BINARY_DIR})
 
 # libraries:
 

include/engine.hpp

@@ -0,0 +1,45 @@
+#pragma once
+
+#include <filesystem>
+
+#include "log.hpp"
+#include <spdlog/sinks/stdout_color_sinks.h>
+#include <spdlog/sinks/basic_file_sink.h>
+
+namespace engine {
+
+	// To be executed in the target application, NOT engine.dll
+	void setupLog(const char* appName)
+	{
+
+		const std::string LOG_FILENAME{ std::string(appName) + ".log"};
+
+#ifdef NDEBUG
+		// RELEASE
+		const std::filesystem::path log_path{ std::filesystem::temp_directory_path() / LOG_FILENAME };
+#else
+		// DEBUG
+		const std::filesystem::path log_path{ LOG_FILENAME };
+#endif
+
+		std::vector<spdlog::sink_ptr> sinks;
+
+		sinks.emplace_back(std::make_shared<spdlog::sinks::basic_file_sink_mt>(log_path.string(), true));
+
+#ifndef NDEBUG
+		// DEBUG
+		sinks.emplace_back(std::make_shared<spdlog::sinks::stdout_color_sink_mt>());
+#endif
+
+		auto logger = std::make_shared<spdlog::logger>("sdltest", sinks.begin(), sinks.end());
+
+		logger->set_level(spdlog::level::trace);
+
+		spdlog::register_logger(logger);
+		spdlog::set_default_logger(logger);
+
+		INFO("Created log with path: {}", log_path.string());
+
+	}
+
+}