add system scripts, add system info to main menu of demo

Author: mstop4

current-scripts/Demos/useful-scripts/objects/obj_demo_title/Create_0.gml

@@ -31,6 +31,12 @@ room_names = [
 	"Web"
 ];
 
+os_type_str = get_os_type_string(os_type);
+os_version_str = get_os_version_string(os_version);
+os_browser_str = get_os_browser_string(os_browser);
+os_language = os_get_language();
+os_region = os_get_region();
+
 menu = instance_create_layer(32, 64, layer, obj_column_menu);
 menu.column_menu_init({
 	font: fnt_demo,

current-scripts/Demos/useful-scripts/objects/obj_demo_title/Draw_0.gml

@@ -2,4 +2,12 @@ draw_set_colour(c_white);
 draw_set_font(fnt_title);
 draw_set_halign(fa_left);
 draw_set_valign(fa_top);
-draw_text(16, 16, "Useful GML Script Demos");
+draw_text(16, 16, "Useful GML Script Demos");
+
+draw_set_font(fnt_demo);
+draw_text(640, 16, "OS Type: " + os_type_str);
+draw_text(640, 48, "OS Version: " + os_version_str);
+draw_text(640, 80, "Browser: " + os_browser_str);
+draw_text(640, 112, "Connected to Network: " + (os_is_network_connected() ? "Yes" : "No"));
+draw_text(640, 144, "Language: " + os_language);
+draw_text(640, 176, "Region: " + os_region);

current-scripts/Demos/useful-scripts/options/operagx/options_operagx.yy

@@ -0,0 +1,69 @@
+global._os_type_strings = [];
+global._os_type_strings[os_windows] = "Windows";
+global._os_type_strings[os_uwp] = "Universal Windows Platform";
+global._os_type_strings[os_operagx] = "Opera GX";
+global._os_type_strings[os_linux] = "Linux";
+global._os_type_strings[os_macosx] = "macOS";
+global._os_type_strings[os_ios] = "iOS";
+global._os_type_strings[os_tvos] = "Apple tvOS";
+global._os_type_strings[os_android] = "Android";
+global._os_type_strings[os_ps4] = "PlayStation 4";
+global._os_type_strings[os_ps5] = "PlayStation 5";
+global._os_type_strings[os_xboxone] = "Xbox One";
+global._os_type_strings[os_xboxseriesxs] = "Xbox Series X/S";
+global._os_type_strings[os_switch] = "Nintendo Switch";
+
+global._os_browser_strings = [];
+global._os_browser_strings[browser_unknown] = "Unknown Browser";
+global._os_browser_strings[browser_ie] = "Internet Explorer";
+global._os_browser_strings[browser_ie_mobile] = "Mobile Internet Explorer";
+global._os_browser_strings[browser_firefox] = "Firefox";
+global._os_browser_strings[browser_chrome] = "Chrome";
+global._os_browser_strings[browser_safari] = "Safari";
+global._os_browser_strings[browser_safari_mobile] = "Mobile Safari";
+global._os_browser_strings[browser_opera] = "Opera";
+global._os_browser_strings[browser_tizen] = "Tizen";
+global._os_browser_strings[browser_windows_store] = "Windows App";
+
+function get_os_type_string(_os_type){
+	if (_os_type >= 0 && _os_type < array_length(global._os_type_strings)) {
+		return global._os_type_strings[_os_type];
+	} else {
+		return "Unknown OS";
+	}
+}
+
+function get_os_version_string(_os_version) {
+	// Browser
+	if (os_browser != browser_not_a_browser || os_type == os_operagx) {
+		return "N/A";
+	}
+	
+	// Windows
+	if (os_type == os_windows) {
+		var _major_v = _os_version >> 16;
+		var _minor_v = _os_version & 65535;
+		return string(_major_v) + "." + string(_minor_v);
+	}
+	
+	// macOS and iOS
+	if (os_type == os_macosx || os_type == os_ios) {
+		var _major_v = _os_version >> 24;
+		var _minor_v = (_os_version >> 12) & 4095;
+		var _build = _os_version & 4095;
+		return string(_major_v) + "." + string(_minor_v) + "." + string(_build);
+	}
+	
+	// All other cases (including unknown platform)
+	return string(_os_version);
+}
+
+function get_os_browser_string(_os_browser) {
+	if (_os_browser == browser_not_a_browser) {
+		return "Not a browser";
+	} else if (_os_browser >= 0 && _os_browser < array_length(global._os_browser_strings)) {
+		return global._os_browser_strings[_os_browser];
+	} else {
+		return global._os_browser_strings[browser_unknown];
+	}
+}