473 lines
18 KiB
C++
473 lines
18 KiB
C++
/**************************************************************************/
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/* particle_process_material_editor_plugin.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#include "particle_process_material_editor_plugin.h"
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#include "editor/editor_property_name_processor.h"
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#include "editor/editor_settings.h"
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#include "editor/editor_string_names.h"
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#include "editor/gui/editor_spin_slider.h"
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#include "editor/themes/editor_theme_manager.h"
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#include "scene/gui/box_container.h"
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#include "scene/gui/button.h"
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#include "scene/gui/label.h"
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#include "scene/resources/particle_process_material.h"
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void ParticleProcessMaterialMinMaxPropertyEditor::_update_sizing() {
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edit_size = range_edit_widget->get_size();
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margin = Vector2(range_slider_left_icon->get_width(), (edit_size.y - range_slider_left_icon->get_height()) * 0.5);
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usable_area = edit_size - margin * 2;
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}
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void ParticleProcessMaterialMinMaxPropertyEditor::_range_edit_draw() {
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ERR_FAIL_COND(range_slider_left_icon.is_null());
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ERR_FAIL_COND(range_slider_right_icon.is_null());
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_update_sizing();
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bool widget_active = mouse_inside || drag != Drag::NONE;
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// FIXME: Need to offset by 1 due to some outline bug.
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range_edit_widget->draw_rect(Rect2(margin + Vector2(1, 1), usable_area - Vector2(1, 1)), widget_active ? background_color.lerp(normal_color, 0.3) : background_color, false, 1.0);
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Color draw_color;
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if (widget_active) {
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float icon_offset = _get_left_offset() - range_slider_left_icon->get_width() - 1;
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if (drag == Drag::LEFT || drag == Drag::SCALE) {
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draw_color = drag_color;
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} else if (hover == Hover::LEFT) {
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draw_color = hovered_color;
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} else {
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draw_color = normal_color;
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}
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range_edit_widget->draw_texture(range_slider_left_icon, Vector2(icon_offset, margin.y), draw_color);
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icon_offset = _get_right_offset();
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if (drag == Drag::RIGHT || drag == Drag::SCALE) {
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draw_color = drag_color;
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} else if (hover == Hover::RIGHT) {
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draw_color = hovered_color;
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} else {
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draw_color = normal_color;
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}
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range_edit_widget->draw_texture(range_slider_right_icon, Vector2(icon_offset, margin.y), draw_color);
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}
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if (drag == Drag::MIDDLE || drag == Drag::SCALE) {
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draw_color = drag_color;
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} else if (hover == Hover::MIDDLE) {
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draw_color = hovered_color;
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} else {
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draw_color = normal_color;
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}
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range_edit_widget->draw_rect(_get_middle_rect(), draw_color);
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Rect2 midpoint_rect(Vector2(margin.x + usable_area.x * (_get_min_ratio() + _get_max_ratio()) * 0.5 - 1, margin.y + 2),
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Vector2(2, usable_area.y - 4));
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range_edit_widget->draw_rect(midpoint_rect, midpoint_color);
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}
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void ParticleProcessMaterialMinMaxPropertyEditor::_range_edit_gui_input(const Ref<InputEvent> &p_event) {
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Ref<InputEventMouseButton> mb = p_event;
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Ref<InputEventMouseMotion> mm = p_event;
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// Prevent unnecessary computations.
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if ((mb.is_null() || mb->get_button_index() != MouseButton::LEFT) && (mm.is_null())) {
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return;
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}
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ERR_FAIL_COND(range_slider_left_icon.is_null());
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ERR_FAIL_COND(range_slider_right_icon.is_null());
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_update_sizing();
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if (mb.is_valid()) {
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const Drag prev_drag = drag;
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if (mb->is_pressed()) {
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if (mb->is_shift_pressed()) {
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drag = Drag::SCALE;
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drag_from_value = (max_range->get_value() - min_range->get_value()) * 0.5;
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drag_midpoint = (max_range->get_value() + min_range->get_value()) * 0.5;
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} else if (hover == Hover::LEFT) {
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drag = Drag::LEFT;
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drag_from_value = min_range->get_value();
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} else if (hover == Hover::RIGHT) {
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drag = Drag::RIGHT;
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drag_from_value = max_range->get_value();
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} else {
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drag = Drag::MIDDLE;
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drag_from_value = min_range->get_value();
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}
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drag_origin = mb->get_position().x;
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} else {
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drag = Drag::NONE;
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}
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if (drag != prev_drag) {
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range_edit_widget->queue_redraw();
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}
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}
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float property_length = property_range.y - property_range.x;
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if (mm.is_valid()) {
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switch (drag) {
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case Drag::NONE: {
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const Hover prev_hover = hover;
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float left_icon_offset = _get_left_offset() - range_slider_left_icon->get_width() - 1;
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if (Rect2(Vector2(left_icon_offset, 0), range_slider_left_icon->get_size()).has_point(mm->get_position())) {
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hover = Hover::LEFT;
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} else if (Rect2(Vector2(_get_right_offset(), 0), range_slider_right_icon->get_size()).has_point(mm->get_position())) {
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hover = Hover::RIGHT;
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} else if (_get_middle_rect().has_point(mm->get_position())) {
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hover = Hover::MIDDLE;
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} else {
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hover = Hover::NONE;
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}
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if (hover != prev_hover) {
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range_edit_widget->queue_redraw();
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}
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} break;
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case Drag::LEFT:
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case Drag::RIGHT: {
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float new_value = drag_from_value + (mm->get_position().x - drag_origin) / usable_area.x * property_length;
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if (drag == Drag::LEFT) {
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new_value = MIN(new_value, max_range->get_value());
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_set_clamped_values(new_value, max_range->get_value());
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} else {
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new_value = MAX(new_value, min_range->get_value());
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_set_clamped_values(min_range->get_value(), new_value);
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}
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} break;
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case Drag::MIDDLE: {
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float delta = (mm->get_position().x - drag_origin) / usable_area.x * property_length;
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float diff = max_range->get_value() - min_range->get_value();
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delta = CLAMP(drag_from_value + delta, property_range.x, property_range.y - diff) - drag_from_value;
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_set_clamped_values(drag_from_value + delta, drag_from_value + delta + diff);
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} break;
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case Drag::SCALE: {
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float delta = (mm->get_position().x - drag_origin) / usable_area.x * property_length + drag_from_value;
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_set_clamped_values(MIN(drag_midpoint, drag_midpoint - delta), MAX(drag_midpoint, drag_midpoint + delta));
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} break;
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}
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}
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}
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void ParticleProcessMaterialMinMaxPropertyEditor::_set_mouse_inside(bool p_inside) {
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mouse_inside = p_inside;
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if (!p_inside) {
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hover = Hover::NONE;
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}
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range_edit_widget->queue_redraw();
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}
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float ParticleProcessMaterialMinMaxPropertyEditor::_get_min_ratio() const {
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return (min_range->get_value() - property_range.x) / (property_range.y - property_range.x);
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}
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float ParticleProcessMaterialMinMaxPropertyEditor::_get_max_ratio() const {
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return (max_range->get_value() - property_range.x) / (property_range.y - property_range.x);
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}
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float ParticleProcessMaterialMinMaxPropertyEditor::_get_left_offset() const {
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return margin.x + usable_area.x * _get_min_ratio();
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}
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float ParticleProcessMaterialMinMaxPropertyEditor::_get_right_offset() const {
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return margin.x + usable_area.x * _get_max_ratio();
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}
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Rect2 ParticleProcessMaterialMinMaxPropertyEditor::_get_middle_rect() const {
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if (Math::is_equal_approx(min_range->get_value(), max_range->get_value())) {
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return Rect2();
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}
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return Rect2(
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Vector2(_get_left_offset() - 1, margin.y),
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Vector2(usable_area.x * (_get_max_ratio() - _get_min_ratio()) + 1, usable_area.y));
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}
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void ParticleProcessMaterialMinMaxPropertyEditor::_set_clamped_values(float p_min, float p_max) {
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// This is required for editing widget in case the properties have or_less or or_greater hint.
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min_range->set_value(MAX(p_min, property_range.x));
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max_range->set_value(MIN(p_max, property_range.y));
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_update_slider_values();
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_sync_property();
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}
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void ParticleProcessMaterialMinMaxPropertyEditor::_sync_property() {
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const Vector2 value = Vector2(min_range->get_value(), max_range->get_value());
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emit_changed(get_edited_property(), value, "", true);
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range_edit_widget->queue_redraw();
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}
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void ParticleProcessMaterialMinMaxPropertyEditor::_update_mode() {
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max_edit->set_read_only(false);
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switch (slider_mode) {
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case Mode::RANGE: {
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min_edit->set_label("min");
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max_edit->set_label("max");
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max_edit->set_block_signals(true);
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max_edit->set_min(max_range->get_min());
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max_edit->set_max(max_range->get_max());
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max_edit->set_block_signals(false);
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min_edit->set_allow_lesser(min_range->is_lesser_allowed());
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min_edit->set_allow_greater(min_range->is_greater_allowed());
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max_edit->set_allow_lesser(max_range->is_lesser_allowed());
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max_edit->set_allow_greater(max_range->is_greater_allowed());
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} break;
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case Mode::MIDPOINT: {
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min_edit->set_label("val");
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max_edit->set_label(U"±");
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max_edit->set_block_signals(true);
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max_edit->set_min(0);
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max_edit->set_block_signals(false);
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min_edit->set_allow_lesser(min_range->is_lesser_allowed());
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min_edit->set_allow_greater(max_range->is_greater_allowed());
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max_edit->set_allow_lesser(false);
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max_edit->set_allow_greater(min_range->is_lesser_allowed() && max_range->is_greater_allowed());
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} break;
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}
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_update_slider_values();
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}
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void ParticleProcessMaterialMinMaxPropertyEditor::_toggle_mode(bool p_edit_mode) {
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slider_mode = p_edit_mode ? Mode::MIDPOINT : Mode::RANGE;
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EditorSettings::get_singleton()->set_project_metadata("editor_metadata", "particle_spin_mode", int(slider_mode));
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_update_mode();
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}
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void ParticleProcessMaterialMinMaxPropertyEditor::_update_slider_values() {
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switch (slider_mode) {
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case Mode::RANGE: {
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min_edit->set_value_no_signal(min_range->get_value());
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max_edit->set_value_no_signal(max_range->get_value());
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} break;
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case Mode::MIDPOINT: {
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min_edit->set_value_no_signal((min_range->get_value() + max_range->get_value()) * 0.5);
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max_edit->set_value_no_signal((max_range->get_value() - min_range->get_value()) * 0.5);
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max_edit->set_block_signals(true);
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max_edit->set_max(_get_max_spread());
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max_edit->set_read_only(max_edit->get_max() == 0);
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max_edit->set_block_signals(false);
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} break;
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}
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}
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void ParticleProcessMaterialMinMaxPropertyEditor::_sync_sliders(float, const EditorSpinSlider *p_changed_slider) {
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switch (slider_mode) {
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case Mode::RANGE: {
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if (p_changed_slider == max_edit) {
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min_edit->set_value_no_signal(MIN(min_edit->get_value(), max_edit->get_value()));
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}
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min_range->set_value(min_edit->get_value());
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if (p_changed_slider == min_edit) {
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max_edit->set_value_no_signal(MAX(min_edit->get_value(), max_edit->get_value()));
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}
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max_range->set_value(max_edit->get_value());
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_sync_property();
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} break;
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case Mode::MIDPOINT: {
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if (p_changed_slider == min_edit) {
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max_edit->set_block_signals(true); // If max changes, value may change.
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max_edit->set_max(_get_max_spread());
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max_edit->set_read_only(max_edit->get_max() == 0);
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max_edit->set_block_signals(false);
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}
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min_range->set_value(min_edit->get_value() - max_edit->get_value());
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max_range->set_value(min_edit->get_value() + max_edit->get_value());
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_sync_property();
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} break;
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}
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property_range.x = MIN(min_range->get_value(), min_range->get_min());
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property_range.y = MAX(max_range->get_value(), max_range->get_max());
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}
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float ParticleProcessMaterialMinMaxPropertyEditor::_get_max_spread() const {
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float max_spread = max_range->get_max() - min_range->get_min();
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if (max_edit->is_greater_allowed()) {
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return max_spread;
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}
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if (!min_edit->is_lesser_allowed()) {
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max_spread = MIN(max_spread, min_edit->get_value() - min_edit->get_min());
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}
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if (!min_edit->is_greater_allowed()) {
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max_spread = MIN(max_spread, min_edit->get_max() - min_edit->get_value());
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}
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return max_spread;
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}
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void ParticleProcessMaterialMinMaxPropertyEditor::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_THEME_CHANGED: {
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toggle_mode_button->set_icon(get_editor_theme_icon(SNAME("Anchor")));
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range_slider_left_icon = get_editor_theme_icon(SNAME("RangeSliderLeft"));
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range_slider_right_icon = get_editor_theme_icon(SNAME("RangeSliderRight"));
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min_edit->add_theme_color_override(SNAME("label_color"), get_theme_color(SNAME("property_color_x"), EditorStringName(Editor)));
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max_edit->add_theme_color_override(SNAME("label_color"), get_theme_color(SNAME("property_color_y"), EditorStringName(Editor)));
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const bool dark_theme = EditorThemeManager::is_dark_theme();
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const Color accent_color = get_theme_color(SNAME("accent_color"), EditorStringName(Editor));
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background_color = dark_theme ? Color(0.3, 0.3, 0.3) : Color(0.7, 0.7, 0.7);
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normal_color = dark_theme ? Color(0.5, 0.5, 0.5) : Color(0.8, 0.8, 0.8);
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hovered_color = dark_theme ? Color(0.8, 0.8, 0.8) : Color(0.6, 0.6, 0.6);
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drag_color = hovered_color.lerp(accent_color, 0.8);
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midpoint_color = dark_theme ? Color(1, 1, 1) : Color(0, 0, 0);
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range_edit_widget->set_custom_minimum_size(Vector2(0, range_slider_left_icon->get_height() + 8));
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} break;
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}
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}
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void ParticleProcessMaterialMinMaxPropertyEditor::setup(float p_min, float p_max, float p_step, bool p_allow_less, bool p_allow_greater, bool p_degrees) {
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property_range = Vector2(p_min, p_max);
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// Initially all Ranges share properties.
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for (Range *range : Vector<Range *>{ min_range, min_edit, max_range, max_edit }) {
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range->set_min(p_min);
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range->set_max(p_max);
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range->set_step(p_step);
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range->set_allow_lesser(p_allow_less);
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range->set_allow_greater(p_allow_greater);
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}
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if (p_degrees) {
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min_edit->set_suffix(U" \u00B0");
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max_edit->set_suffix(U" \u00B0");
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}
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_update_mode();
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}
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void ParticleProcessMaterialMinMaxPropertyEditor::update_property() {
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const Vector2 value = get_edited_property_value();
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min_range->set_value(value.x);
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max_range->set_value(value.y);
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_update_slider_values();
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range_edit_widget->queue_redraw();
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}
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ParticleProcessMaterialMinMaxPropertyEditor::ParticleProcessMaterialMinMaxPropertyEditor() {
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VBoxContainer *content_vb = memnew(VBoxContainer);
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content_vb->add_theme_constant_override(SNAME("separation"), 0);
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add_child(content_vb);
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// Helper Range objects to keep absolute min and max values.
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min_range = memnew(Range);
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min_range->hide();
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add_child(min_range);
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max_range = memnew(Range);
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max_range->hide();
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add_child(max_range);
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// Range edit widget.
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HBoxContainer *hb = memnew(HBoxContainer);
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content_vb->add_child(hb);
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range_edit_widget = memnew(Control);
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range_edit_widget->set_h_size_flags(SIZE_EXPAND_FILL);
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range_edit_widget->set_tooltip_text(TTR("Hold Shift to scale around midpoint instead of moving."));
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hb->add_child(range_edit_widget);
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range_edit_widget->connect(SceneStringName(draw), callable_mp(this, &ParticleProcessMaterialMinMaxPropertyEditor::_range_edit_draw));
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range_edit_widget->connect(SceneStringName(gui_input), callable_mp(this, &ParticleProcessMaterialMinMaxPropertyEditor::_range_edit_gui_input));
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range_edit_widget->connect(SceneStringName(mouse_entered), callable_mp(this, &ParticleProcessMaterialMinMaxPropertyEditor::_set_mouse_inside).bind(true));
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range_edit_widget->connect(SceneStringName(mouse_exited), callable_mp(this, &ParticleProcessMaterialMinMaxPropertyEditor::_set_mouse_inside).bind(false));
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// Range controls for actual editing. Their min/max may depend on editing mode.
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hb = memnew(HBoxContainer);
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content_vb->add_child(hb);
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min_edit = memnew(EditorSpinSlider);
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min_edit->set_h_size_flags(SIZE_EXPAND_FILL);
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hb->add_child(min_edit);
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min_edit->connect(SceneStringName(value_changed), callable_mp(this, &ParticleProcessMaterialMinMaxPropertyEditor::_sync_sliders).bind(min_edit));
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|
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max_edit = memnew(EditorSpinSlider);
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max_edit->set_h_size_flags(SIZE_EXPAND_FILL);
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hb->add_child(max_edit);
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max_edit->connect(SceneStringName(value_changed), callable_mp(this, &ParticleProcessMaterialMinMaxPropertyEditor::_sync_sliders).bind(max_edit));
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|
|
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toggle_mode_button = memnew(Button);
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toggle_mode_button->set_toggle_mode(true);
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toggle_mode_button->set_tooltip_text(TTR("Toggle between minimum/maximum and base value/spread modes."));
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hb->add_child(toggle_mode_button);
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toggle_mode_button->connect(SceneStringName(toggled), callable_mp(this, &ParticleProcessMaterialMinMaxPropertyEditor::_toggle_mode));
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|
|
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set_bottom_editor(content_vb);
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}
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|
|
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bool EditorInspectorParticleProcessMaterialPlugin::can_handle(Object *p_object) {
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return Object::cast_to<ParticleProcessMaterial>(p_object);
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|
}
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|
|
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bool EditorInspectorParticleProcessMaterialPlugin::parse_property(Object *p_object, const Variant::Type p_type, const String &p_path, const PropertyHint p_hint, const String &p_hint_text, const BitField<PropertyUsageFlags> p_usage, const bool p_wide) {
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if (!ParticleProcessMaterial::has_min_max_property(p_path)) {
|
|
return false;
|
|
}
|
|
ERR_FAIL_COND_V(p_hint != PROPERTY_HINT_RANGE, false);
|
|
|
|
Ref<ParticleProcessMaterial> mat = Ref<ParticleProcessMaterial>(p_object);
|
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ERR_FAIL_COND_V(mat.is_null(), false);
|
|
|
|
PackedStringArray range_hint = p_hint_text.split(",");
|
|
float min = range_hint[0].to_float();
|
|
float max = range_hint[1].to_float();
|
|
float step = range_hint[2].to_float();
|
|
bool allow_less = range_hint.find("or_less", 3) > -1;
|
|
bool allow_greater = range_hint.find("or_greater", 3) > -1;
|
|
bool degrees = range_hint.find("degrees", 3) > -1;
|
|
|
|
ParticleProcessMaterialMinMaxPropertyEditor *ed = memnew(ParticleProcessMaterialMinMaxPropertyEditor);
|
|
ed->setup(min, max, step, allow_less, allow_greater, degrees);
|
|
add_property_editor(p_path, ed);
|
|
|
|
return true;
|
|
}
|