Refactor the export checking logic to improve separation of concerns

editor/editor_export.cpp

@@ -1656,7 +1656,7 @@ Ref<Texture> EditorExportPlatformPC::get_logo() const {
 	return logo;
 }
 
-bool EditorExportPlatformPC::can_export(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const {
+bool EditorExportPlatformPC::has_valid_export_configuration(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const {
 	String err;
 	bool valid = false;
 
@@ -1688,6 +1688,28 @@ bool EditorExportPlatformPC::can_export(const Ref<EditorExportPreset> &p_preset,
 	return valid;
 }
 
+bool EditorExportPlatformPC::has_valid_project_configuration(const Ref<EditorExportPreset> &p_preset, String &r_error) const {
+	return true;
+}
+
+bool EditorExportPlatform::can_export(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const {
+	String templates_error;
+	bool valid_export_configuration = has_valid_export_configuration(p_preset, templates_error, r_missing_templates);
+
+	String project_configuration_error;
+	bool valid_project_configuration = has_valid_project_configuration(p_preset, project_configuration_error);
+
+	if (!templates_error.empty()) {
+		r_error += templates_error;
+	}
+
+	if (!project_configuration_error.empty()) {
+		r_error += project_configuration_error;
+	}
+
+	return valid_export_configuration && valid_project_configuration;
+}
+
 List<String> EditorExportPlatformPC::get_binary_extensions(const Ref<EditorExportPreset> &p_preset) const {
 	List<String> list;
 	for (Map<String, String>::Element *E = extensions.front(); E; E = E->next()) {

editor/editor_export.h

@@ -311,7 +311,9 @@ public:
 
 	String test_etc2() const; //generic test for etc2 since most platforms use it
 	String test_etc2_or_pvrtc() const; // test for etc2 or pvrtc support for iOS
-	virtual bool can_export(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const = 0;
+	bool can_export(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const;
+	virtual bool has_valid_export_configuration(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const = 0;
+	virtual bool has_valid_project_configuration(const Ref<EditorExportPreset> &p_preset, String &r_error) const = 0;
 
 	virtual List<String> get_binary_extensions(const Ref<EditorExportPreset> &p_preset) const = 0;
 	virtual Error export_project(const Ref<EditorExportPreset> &p_preset, bool p_debug, const String &p_path, int p_flags = 0) = 0;
@@ -481,7 +483,8 @@ public:
 	virtual String get_os_name() const;
 	virtual Ref<Texture> get_logo() const;
 
-	virtual bool can_export(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const;
+	virtual bool has_valid_export_configuration(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const;
+	virtual bool has_valid_project_configuration(const Ref<EditorExportPreset> &p_preset, String &r_error) const;
 	virtual List<String> get_binary_extensions(const Ref<EditorExportPreset> &p_preset) const;
 	virtual Error export_project(const Ref<EditorExportPreset> &p_preset, bool p_debug, const String &p_path, int p_flags = 0);
 	virtual Error sign_shared_object(const Ref<EditorExportPreset> &p_preset, bool p_debug, const String &p_path);

platform/android/export/export_plugin.cpp

@@ -2059,7 +2059,7 @@ String EditorExportPlatformAndroid::get_apksigner_path() {
 	return apksigner_path;
 }
 
-bool EditorExportPlatformAndroid::can_export(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const {
+bool EditorExportPlatformAndroid::has_valid_export_configuration(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const {
 	String err;
 	bool valid = false;
 	const bool custom_build_enabled = p_preset->get("custom_build/use_custom_build");
@@ -2107,7 +2107,7 @@ bool EditorExportPlatformAndroid::can_export(const Ref<EditorExportPreset> &p_pr
 		valid = installed_android_build_template && !r_missing_templates;
 	}
 
-	// Validate the rest of the configuration.
+	// Validate the rest of the export configuration.
 
 	String dk = p_preset->get("keystore/debug");
 	String dk_user = p_preset->get("keystore/debug_user");
@@ -2183,6 +2183,19 @@ bool EditorExportPlatformAndroid::can_export(const Ref<EditorExportPreset> &p_pr
 		}
 	}
 
+	if (!err.empty()) {
+		r_error = err;
+	}
+
+	return valid;
+}
+
+bool EditorExportPlatformAndroid::has_valid_project_configuration(const Ref<EditorExportPreset> &p_preset, String &r_error) const {
+	String err;
+	bool valid = true;
+	const bool custom_build_enabled = p_preset->get("custom_build/use_custom_build");
+
+	// Validate the project configuration.
 	bool apk_expansion = p_preset->get("apk_expansion/enable");
 
 	if (apk_expansion) {
@@ -2249,8 +2262,7 @@ bool EditorExportPlatformAndroid::can_export(const Ref<EditorExportPreset> &p_pr
 		}
 	}
 
-	if (int(p_preset->get("custom_build/export_format")) == EXPORT_FORMAT_AAB &&
-			!custom_build_enabled) {
+	if (int(p_preset->get("custom_build/export_format")) == EXPORT_FORMAT_AAB && !custom_build_enabled) {
 		valid = false;
 		err += TTR("\"Export AAB\" is only valid when \"Use Custom Build\" is enabled.");
 		err += "\n";
@@ -2308,7 +2320,9 @@ bool EditorExportPlatformAndroid::can_export(const Ref<EditorExportPreset> &p_pr
 		err += "\n";
 	}
 
-	r_error = err;
+	if (!err.empty()) {
+		r_error = err;
+	}
 	return valid;
 }
 

platform/android/export/export_plugin.h

@@ -204,7 +204,8 @@ public:
 
 	static String get_apksigner_path();
 
-	virtual bool can_export(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const;
+	virtual bool has_valid_export_configuration(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const;
+	virtual bool has_valid_project_configuration(const Ref<EditorExportPreset> &p_preset, String &r_error) const;
 
 	virtual List<String> get_binary_extensions(const Ref<EditorExportPreset> &p_preset) const;
 

platform/iphone/export/export.cpp

@@ -204,7 +204,8 @@ public:
 
 	virtual Error export_project(const Ref<EditorExportPreset> &p_preset, bool p_debug, const String &p_path, int p_flags = 0);
 
-	virtual bool can_export(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const;
+	virtual bool has_valid_export_configuration(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const;
+	virtual bool has_valid_project_configuration(const Ref<EditorExportPreset> &p_preset, String &r_error) const;
 
 	virtual void get_platform_features(List<String> *r_features) {
 		r_features->push_back("mobile");
@@ -2099,7 +2100,7 @@ Error EditorExportPlatformIOS::export_project(const Ref<EditorExportPreset> &p_p
 	return OK;
 }
 
-bool EditorExportPlatformIOS::can_export(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const {
+bool EditorExportPlatformIOS::has_valid_export_configuration(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const {
 	String err;
 	bool valid = false;
 
@@ -2124,7 +2125,18 @@ bool EditorExportPlatformIOS::can_export(const Ref<EditorExportPreset> &p_preset
 	valid = dvalid || rvalid;
 	r_missing_templates = !valid;
 
-	// Validate the rest of the configuration.
+	if (!err.empty()) {
+		r_error = err;
+	}
+
+	return valid;
+}
+
+bool EditorExportPlatformIOS::has_valid_project_configuration(const Ref<EditorExportPreset> &p_preset, String &r_error) const {
+	String err;
+	bool valid = true;
+
+	// Validate the project configuration.
 
 	String team_id = p_preset->get("application/app_store_team_id");
 	if (team_id.length() == 0) {

platform/javascript/export/export.cpp

@@ -328,7 +328,8 @@ public:
 	virtual String get_os_name() const;
 	virtual Ref<Texture> get_logo() const;
 
-	virtual bool can_export(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const;
+	virtual bool has_valid_export_configuration(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const;
+	virtual bool has_valid_project_configuration(const Ref<EditorExportPreset> &p_preset, String &r_error) const;
 	virtual List<String> get_binary_extensions(const Ref<EditorExportPreset> &p_preset) const;
 	virtual Error export_project(const Ref<EditorExportPreset> &p_preset, bool p_debug, const String &p_path, int p_flags = 0);
 
@@ -687,7 +688,7 @@ Ref<Texture> EditorExportPlatformJavaScript::get_logo() const {
 	return logo;
 }
 
-bool EditorExportPlatformJavaScript::can_export(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const {
+bool EditorExportPlatformJavaScript::has_valid_export_configuration(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const {
 	String err;
 	bool valid = false;
 	ExportMode mode = (ExportMode)(int)p_preset->get("variant/export_type");
@@ -712,7 +713,18 @@ bool EditorExportPlatformJavaScript::can_export(const Ref<EditorExportPreset> &p
 	valid = dvalid || rvalid;
 	r_missing_templates = !valid;
 
-	// Validate the rest of the configuration.
+	if (!err.empty()) {
+		r_error = err;
+	}
+
+	return valid;
+}
+
+bool EditorExportPlatformJavaScript::has_valid_project_configuration(const Ref<EditorExportPreset> &p_preset, String &r_error) const {
+	String err;
+	bool valid = true;
+
+	// Validate the project configuration.
 
 	if (p_preset->get("vram_texture_compression/for_mobile")) {
 		String etc_error = test_etc2();

platform/osx/export/export.cpp

@@ -120,7 +120,8 @@ public:
 	}
 	virtual Error export_project(const Ref<EditorExportPreset> &p_preset, bool p_debug, const String &p_path, int p_flags = 0);
 
-	virtual bool can_export(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const;
+	virtual bool has_valid_export_configuration(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const;
+	virtual bool has_valid_project_configuration(const Ref<EditorExportPreset> &p_preset, String &r_error) const;
 
 	virtual void get_platform_features(List<String> *r_features) {
 		r_features->push_back("pc");
@@ -1428,7 +1429,7 @@ void EditorExportPlatformOSX::_zip_folder_recursive(zipFile &p_zip, const String
 	memdelete(da);
 }
 
-bool EditorExportPlatformOSX::can_export(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const {
+bool EditorExportPlatformOSX::has_valid_export_configuration(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const {
 	String err;
 	bool valid = false;
 
@@ -1458,6 +1459,17 @@ bool EditorExportPlatformOSX::can_export(const Ref<EditorExportPreset> &p_preset
 	valid = dvalid || rvalid;
 	r_missing_templates = !valid;
 
+	if (!err.empty()) {
+		r_error = err;
+	}
+
+	return valid;
+}
+
+bool EditorExportPlatformOSX::has_valid_project_configuration(const Ref<EditorExportPreset> &p_preset, String &r_error) const {
+	String err;
+	bool valid = true;
+
 	String identifier = p_preset->get("application/identifier");
 	String pn_err;
 	if (!is_package_name_valid(identifier, &pn_err)) {

platform/uwp/export/export.cpp

@@ -1073,7 +1073,7 @@ public:
 		}
 	}
 
-	virtual bool can_export(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const {
+	virtual bool has_valid_export_configuration(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const {
 		String err;
 		bool valid = false;
 
@@ -1112,6 +1112,17 @@ public:
 		valid = dvalid || rvalid;
 		r_missing_templates = !valid;
 
+		if (!err.empty()) {
+			r_error = err;
+		}
+
+		return valid;
+	}
+
+	virtual bool has_valid_project_configuration(const Ref<EditorExportPreset> &p_preset, String &r_error) const {
+		String err;
+		bool valid = true;
+
 		// Validate the rest of the configuration.
 
 		if (!_valid_resource_name(p_preset->get("package/short_name"))) {

platform/windows/export/export.cpp

@@ -48,7 +48,8 @@ public:
 	virtual Error fixup_embedded_pck(const String &p_path, int64_t p_embedded_start, int64_t p_embedded_size);
 	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;
+	virtual bool has_valid_export_configuration(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const;
+	virtual bool has_valid_project_configuration(const Ref<EditorExportPreset> &p_preset, String &r_error) const;
 };
 
 Error EditorExportPlatformWindows::sign_shared_object(const Ref<EditorExportPreset> &p_preset, bool p_debug, const String &p_path) {
@@ -386,15 +387,26 @@ 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 {
+bool EditorExportPlatformWindows::has_valid_export_configuration(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);
+	bool valid = EditorExportPlatformPC::has_valid_export_configuration(p_preset, err, r_missing_templates);
 
 	String rcedit_path = EditorSettings::get_singleton()->get("export/windows/rcedit");
 	if (p_preset->get("application/modify_resources") && 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";
 	}
 
+	if (!err.empty()) {
+		r_error = err;
+	}
+
+	return valid;
+}
+
+bool EditorExportPlatformWindows::has_valid_project_configuration(const Ref<EditorExportPreset> &p_preset, String &r_error) const {
+	String err = "";
+	bool valid = true;
+
 	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";