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godot/editor/scene/particles_editor_plugin.cpp
noahbackus 9d30169a8d
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initial commit, 4.5 stable
2025-09-16 20:46:46 -04:00

115 lines
4.9 KiB
C++

/**************************************************************************/
/* 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));
}