Added --force-console option to force the creation of a console on Windows.

This is to make Godot logging visible when debugging C# script projects using Visual Studio.

core/os/os.h

@@ -341,6 +341,8 @@ public:
 	// This is invoked by the GDExtensionManager after loading GDExtensions specified by the project.
 	virtual void load_platform_gdextensions() const {}
 
+	virtual void alloc_console() {}
+
 	OS();
 	virtual ~OS();
 };

main/main.cpp

@@ -583,6 +583,8 @@ void Main::print_help(const char *p_binary) {
 	print_help_option("", "--fixed-fps is forced when enabled, but it can be used to change movie FPS.\n");
 	print_help_option("", "--disable-vsync can speed up movie writing but makes interaction more difficult.\n");
 	print_help_option("", "--quit-after can be used to specify the number of frames to write.\n");
+	print_help_option("--force-console", "Force creation of console window on Windows.\n");
+	print_help_option("", "Enables viewing of Godot logging when debugging a C# project with Visual Studio.\n");
 
 	print_help_title("Display options");
 	print_help_option("-f, --fullscreen", "Request fullscreen mode.\n");
@@ -1669,6 +1671,8 @@ Error Main::setup(const char *execpath, int argc, char *argv[], bool p_second_ph
 				OS::get_singleton()->print("Missing write-movie argument, aborting.\n");
 				goto error;
 			}
+		} else if (arg == "--force-console") {
+			OS::get_singleton()->alloc_console();
 		} else if (arg == "--disable-vsync") {
 			disable_vsync = true;
 		} else if (arg == "--print-fps") {

platform/windows/os_windows.cpp

@@ -1898,6 +1898,10 @@ String OS_Windows::get_system_ca_certificates() {
 	return certs;
 }
 
+void OS_Windows::alloc_console() {
+	AllocConsole();
+}
+
 OS_Windows::OS_Windows(HINSTANCE _hInstance) {
 	hInstance = _hInstance;
 

platform/windows/os_windows.h

@@ -238,6 +238,8 @@ public:
 
 	void set_main_window(HWND p_main_window) { main_window = p_main_window; }
 
+	virtual void alloc_console() override;
+
 	HINSTANCE get_hinstance() { return hInstance; }
 	OS_Windows(HINSTANCE _hInstance);
 	~OS_Windows();