Add warning for Windows export when rcedit is not configured

platform/windows/export/export.cpp

@@ -48,6 +48,7 @@ public:
 	virtual Error sign_shared_object(const Ref<EditorExportPreset> &p_preset, bool p_debug, const String &p_path);
 	virtual void get_export_options(List<ExportOption> *r_options);
 	virtual bool get_option_visibility(const String &p_option, const Map<StringName, Variant> &p_options) const;
+	virtual bool can_export(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const;
 };
 
 Error EditorExportPlatformWindows::sign_shared_object(const Ref<EditorExportPreset> &p_preset, bool p_debug, const String &p_path) {
@@ -96,8 +97,8 @@ void EditorExportPlatformWindows::get_export_options(List<ExportOption> *r_optio
 	r_options->push_back(ExportOption(PropertyInfo(Variant::POOL_STRING_ARRAY, "codesign/custom_options"), PoolStringArray()));
 
 	r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "application/icon", PROPERTY_HINT_FILE, "*.ico"), ""));
-	r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "application/file_version", PROPERTY_HINT_PLACEHOLDER_TEXT, "1.0.0"), ""));
-	r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "application/product_version", PROPERTY_HINT_PLACEHOLDER_TEXT, "1.0.0"), ""));
+	r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "application/file_version", PROPERTY_HINT_PLACEHOLDER_TEXT, "1.0.0.0"), ""));
+	r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "application/product_version", PROPERTY_HINT_PLACEHOLDER_TEXT, "1.0.0.0"), ""));
 	r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "application/company_name", PROPERTY_HINT_PLACEHOLDER_TEXT, "Company Name"), ""));
 	r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "application/product_name", PROPERTY_HINT_PLACEHOLDER_TEXT, "Game Name"), ""));
 	r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "application/file_description"), ""));
@@ -108,7 +109,8 @@ void EditorExportPlatformWindows::get_export_options(List<ExportOption> *r_optio
 void EditorExportPlatformWindows::_rcedit_add_data(const Ref<EditorExportPreset> &p_preset, const String &p_path) {
 	String rcedit_path = EditorSettings::get_singleton()->get("export/windows/rcedit");
 
-	if (rcedit_path == String()) {
+	if (rcedit_path.empty()) {
+		WARN_PRINT("The rcedit tool is not configured in the Editor Settings (Export > Windows > Rcedit). No custom icon or app information data will be embedded in the exported executable.");
 		return;
 	}
 
@@ -348,6 +350,49 @@ Error EditorExportPlatformWindows::_code_sign(const Ref<EditorExportPreset> &p_p
 	return OK;
 }
 
+bool EditorExportPlatformWindows::can_export(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const {
+	String err = "";
+	bool valid = EditorExportPlatformPC::can_export(p_preset, err, r_missing_templates);
+
+	String rcedit_path = EditorSettings::get_singleton()->get("export/windows/rcedit");
+	if (rcedit_path.empty()) {
+		err += TTR("The rcedit tool must be configured in the Editor Settings (Export > Windows > Rcedit) to change the icon or app information data.") + "\n";
+	}
+
+	String icon_path = ProjectSettings::get_singleton()->globalize_path(p_preset->get("application/icon"));
+	if (!icon_path.empty() && !FileAccess::exists(icon_path)) {
+		err += TTR("Invalid icon path:") + " " + icon_path + "\n";
+	}
+
+	// Only non-negative integers can exist in the version string.
+
+	String file_version = p_preset->get("application/file_version");
+	if (!file_version.empty()) {
+		Vector<String> version_array = file_version.split(".", false);
+		if (version_array.size() != 4 || !version_array[0].is_valid_integer() ||
+				!version_array[1].is_valid_integer() || !version_array[2].is_valid_integer() ||
+				!version_array[3].is_valid_integer() || file_version.find("-") > -1) {
+			err += TTR("Invalid file version:") + " " + file_version + "\n";
+		}
+	}
+
+	String product_version = p_preset->get("application/product_version");
+	if (!product_version.empty()) {
+		Vector<String> version_array = product_version.split(".", false);
+		if (version_array.size() != 4 || !version_array[0].is_valid_integer() ||
+				!version_array[1].is_valid_integer() || !version_array[2].is_valid_integer() ||
+				!version_array[3].is_valid_integer() || product_version.find("-") > -1) {
+			err += TTR("Invalid product version:") + " " + product_version + "\n";
+		}
+	}
+
+	if (!err.empty()) {
+		r_error = err;
+	}
+
+	return valid;
+}
+
 void register_windows_exporter() {
 	EDITOR_DEF("export/windows/rcedit", "");
 	EditorSettings::get_singleton()->add_property_hint(PropertyInfo(Variant::STRING, "export/windows/rcedit", PROPERTY_HINT_GLOBAL_FILE, "*.exe"));