1 files changed, 54 insertions, 2 deletions

diff --git a/editor/editor_export.cpp b/editor/editor_export.cpp
index 87ca499413..716ead9afc 100644
--- a/editor/editor_export.cpp
+++ b/editor/editor_export.cpp
@@ -1162,6 +1162,7 @@ void EditorExport::save_presets() {
 }
 
 void EditorExport::_bind_methods() {
+	ADD_SIGNAL(MethodInfo("export_presets_updated"));
 }
 
 void EditorExport::add_export_platform(const Ref<EditorExportPlatform> &p_platform) {
@@ -1229,8 +1230,13 @@ Vector<Ref<EditorExportPlugin>> EditorExport::get_export_plugins() {
 }
 
 void EditorExport::_notification(int p_what) {
-	if (p_what == NOTIFICATION_ENTER_TREE) {
-		load_config();
+	switch (p_what) {
+		case NOTIFICATION_ENTER_TREE: {
+			load_config();
+		} break;
+		case NOTIFICATION_PROCESS: {
+			update_export_presets();
+		} break;
 	}
 }
 
@@ -1332,6 +1338,49 @@ void EditorExport::load_config() {
 	block_save = false;
 }
 
+void EditorExport::update_export_presets() {
+	Map<StringName, List<EditorExportPlatform::ExportOption>> platform_options;
+
+	for (int i = 0; i < export_platforms.size(); i++) {
+		Ref<EditorExportPlatform> platform = export_platforms[i];
+
+		if (platform->should_update_export_options()) {
+			List<EditorExportPlatform::ExportOption> options;
+			platform->get_export_options(&options);
+
+			platform_options[platform->get_name()] = options;
+		}
+	}
+
+	bool export_presets_updated = false;
+	for (int i = 0; i < export_presets.size(); i++) {
+		Ref<EditorExportPreset> preset = export_presets[i];
+		if (platform_options.has(preset->get_platform()->get_name())) {
+			export_presets_updated = true;
+
+			List<EditorExportPlatform::ExportOption> options = platform_options[preset->get_platform()->get_name()];
+
+			// Copy the previous preset values
+			Map<StringName, Variant> previous_values = preset->values;
+
+			// Clear the preset properties and values prior to reloading
+			preset->properties.clear();
+			preset->values.clear();
+
+			for (List<EditorExportPlatform::ExportOption>::Element *E = options.front(); E; E = E->next()) {
+				preset->properties.push_back(E->get().option);
+
+				StringName option_name = E->get().option.name;
+				preset->values[option_name] = previous_values.has(option_name) ? previous_values[option_name] : E->get().default_value;
+			}
+		}
+	}
+
+	if (export_presets_updated) {
+		emit_signal(_export_presets_updated);
+	}
+}
+
 bool EditorExport::poll_export_platforms() {
 	bool changed = false;
 	for (int i = 0; i < export_platforms.size(); i++) {
@@ -1351,7 +1400,10 @@ EditorExport::EditorExport() {
 	save_timer->connect("timeout", callable_mp(this, &EditorExport::_save));
 	block_save = false;
 
+	_export_presets_updated = "export_presets_updated";
+
 	singleton = this;
+	set_process(true);
 }
 
 EditorExport::~EditorExport() {