initial commit, 4.5 stable

editor/scene/particles_editor_plugin.cpp

@@ -0,0 +1,114 @@
+/**************************************************************************/
+/*  particles_editor_plugin.cpp                                           */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#include "particles_editor_plugin.h"
+
+#include "editor/docks/scene_tree_dock.h"
+#include "editor/editor_undo_redo_manager.h"
+#include "editor/settings/editor_settings.h"
+#include "scene/gui/box_container.h"
+#include "scene/gui/menu_button.h"
+#include "scene/gui/spin_box.h"
+
+void ParticlesEditorPlugin::_notification(int p_what) {
+	switch (p_what) {
+		case NOTIFICATION_ENTER_TREE: {
+			if (handled_type.ends_with("2D")) {
+				add_control_to_container(CONTAINER_CANVAS_EDITOR_MENU, toolbar);
+			} else if (handled_type.ends_with("3D")) {
+				add_control_to_container(CONTAINER_SPATIAL_EDITOR_MENU, toolbar);
+			} else {
+				DEV_ASSERT(false);
+			}
+
+			menu->set_button_icon(menu->get_editor_theme_icon(handled_type));
+			menu->set_text(handled_type);
+
+			PopupMenu *popup = menu->get_popup();
+			popup->add_shortcut(ED_SHORTCUT("particles/restart_emission", TTRC("Restart Emission"), KeyModifierMask::CTRL | Key::R), MENU_RESTART);
+			_add_menu_options(popup);
+			popup->add_item(conversion_option_name, MENU_OPTION_CONVERT);
+		} break;
+	}
+}
+
+bool ParticlesEditorPlugin::need_show_lifetime_dialog(SpinBox *p_seconds) {
+	// Add one second to the default generation lifetime, since the progress is updated every second.
+	p_seconds->set_value(MAX(1.0, std::trunc(edited_node->get("lifetime").operator double()) + 1.0));
+
+	if (p_seconds->get_value() >= 11.0 + CMP_EPSILON) {
+		// Only pop up the time dialog if the particle's lifetime is long enough to warrant shortening it.
+		return true;
+	} else {
+		// Generate the visibility rect/AABB immediately.
+		return false;
+	}
+}
+
+void ParticlesEditorPlugin::_menu_callback(int p_idx) {
+	switch (p_idx) {
+		case MENU_OPTION_CONVERT: {
+			Node *converted_node = _convert_particles();
+
+			EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton();
+			ur->create_action(conversion_option_name, UndoRedo::MERGE_DISABLE, edited_node);
+			SceneTreeDock::get_singleton()->replace_node(edited_node, converted_node);
+			ur->commit_action(false);
+		} break;
+
+		case MENU_RESTART: {
+			edited_node->call("restart");
+		}
+	}
+}
+
+void ParticlesEditorPlugin::edit(Object *p_object) {
+	edited_node = Object::cast_to<Node>(p_object);
+}
+
+bool ParticlesEditorPlugin::handles(Object *p_object) const {
+	return p_object->is_class(handled_type);
+}
+
+void ParticlesEditorPlugin::make_visible(bool p_visible) {
+	toolbar->set_visible(p_visible);
+}
+
+ParticlesEditorPlugin::ParticlesEditorPlugin() {
+	toolbar = memnew(HBoxContainer);
+	toolbar->hide();
+
+	menu = memnew(MenuButton);
+	menu->set_switch_on_hover(true);
+	menu->set_flat(false);
+	menu->set_theme_type_variation("FlatMenuButton");
+	toolbar->add_child(menu);
+	menu->get_popup()->connect(SceneStringName(id_pressed), callable_mp(this, &ParticlesEditorPlugin::_menu_callback));
+}