Added logging, refactored versioning; STB is now included

- Added logging
- Rewrote versioning code
- Refactored dependency management
  - STB (stb_image.h) is now included
  - All other dependencies now use find_package
- Cross-compilation from Linux to Windows is now possible

desktop/main.cpp

@@ -1,19 +1,39 @@
 #include <iostream>
 
 #include "../main/game.h"
+#include "../main/logging.h"
+#include "../main/meta.h"
 #include "graphics/glfw_mgmt.h"
 #include "graphics/vulkan_mgmt.h"
 
-int main() {
+using namespace progressia::main::logging;
+
+int main(int argc, char *argv[]) {
 
     using namespace progressia;
 
+    for (int i = 1; i < argc; i++) {
+        char *arg = argv[i];
+        if (strcmp(arg, "--version") == 0 || strcmp(arg, "-v") == 0) {
+            std::cout << main::meta::NAME << " " << main::meta::VERSION << "+"
+                      << main::meta::BUILD_ID << " (version number "
+                      << main::meta::VERSION_NUMBER << ")" << std::endl;
+            return 0;
+        }
+    }
+
+    info() << "Starting " << main::meta::NAME << " " << main::meta::VERSION
+           << "+" << main::meta::BUILD_ID << " (version number "
+           << main::meta::VERSION_NUMBER << ")";
+    debug("Debug is enabled");
+
     desktop::initializeGlfw();
     desktop::initializeVulkan();
     desktop::showWindow();
 
     main::initialize(desktop::getVulkan()->getGint());
 
+    info("Loading complete");
     while (desktop::shouldRun()) {
         bool abortFrame = !desktop::startRender();
         if (abortFrame) {
@@ -25,6 +45,7 @@ int main() {
         desktop::endRender();
         desktop::doGlfwRoutine();
     }
+    info("Shutting down");
 
     desktop::getVulkan()->waitIdle();
     main::shutdown();