godot/scene/2d/canvas_modulate.cpp

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/*************************************************************************/
/* canvas_modulate.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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 "canvas_modulate.h"
void CanvasModulate::_notification(int p_what) {
if (p_what == NOTIFICATION_ENTER_CANVAS) {
if (is_visible_in_tree()) {
VS::get_singleton()->canvas_set_modulate(get_canvas(), color);
add_to_group("_canvas_modulate_" + itos(get_canvas().get_id()));
}
} else if (p_what == NOTIFICATION_EXIT_CANVAS) {
if (is_visible_in_tree()) {
VS::get_singleton()->canvas_set_modulate(get_canvas(), Color(1, 1, 1, 1));
remove_from_group("_canvas_modulate_" + itos(get_canvas().get_id()));
}
} else if (p_what == NOTIFICATION_VISIBILITY_CHANGED) {
if (is_visible_in_tree()) {
VS::get_singleton()->canvas_set_modulate(get_canvas(), color);
add_to_group("_canvas_modulate_" + itos(get_canvas().get_id()));
} else {
VS::get_singleton()->canvas_set_modulate(get_canvas(), Color(1, 1, 1, 1));
remove_from_group("_canvas_modulate_" + itos(get_canvas().get_id()));
}
update_configuration_warning();
}
}
void CanvasModulate::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_color", "color"), &CanvasModulate::set_color);
ClassDB::bind_method(D_METHOD("get_color"), &CanvasModulate::get_color);
ADD_PROPERTY(PropertyInfo(Variant::COLOR, "color"), "set_color", "get_color");
}
void CanvasModulate::set_color(const Color &p_color) {
color = p_color;
if (is_visible_in_tree()) {
VS::get_singleton()->canvas_set_modulate(get_canvas(), color);
}
}
Color CanvasModulate::get_color() const {
return color;
}
String CanvasModulate::get_configuration_warning() const {
String warning = Node2D::get_configuration_warning();
if (!is_visible_in_tree() || !is_inside_tree())
return warning;
List<Node *> nodes;
get_tree()->get_nodes_in_group("_canvas_modulate_" + itos(get_canvas().get_id()), &nodes);
if (nodes.size() > 1) {
if (warning != String()) {
warning += "\n\n";
}
warning += TTR("Only one visible CanvasModulate is allowed per scene (or set of instanced scenes). The first created one will work, while the rest will be ignored.");
}
return warning;
}
CanvasModulate::CanvasModulate() {
color = Color(1, 1, 1, 1);
}
CanvasModulate::~CanvasModulate() {
}