virtualx-engine/scene/2d/canvas_modulate.cpp
Juan Linietsky 04c749a1f0 New API for visibility in both CanvasItem and Spatial
visible (property) - access set_visible(bool) is_visible()
is_visible_in_tree() - true when visible and parents visible
show() hide() - for convenience
2017-01-13 10:45:50 -03:00

108 lines
4 KiB
C++

/*************************************************************************/
/* canvas_modulate.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 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 "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(_MD("set_color","color"),&CanvasModulate::set_color);
ClassDB::bind_method(_MD("get_color"),&CanvasModulate::get_color);
ADD_PROPERTY(PropertyInfo(Variant::COLOR,"color"),_SCS("set_color"),_SCS("get_color"));
}
void CanvasModulate::set_color(const Color& p_color){
color=p_color;
if (is_inside_tree()) {
VS::get_singleton()->canvas_set_modulate(get_canvas(),color);
}
}
Color CanvasModulate::get_color() const {
return color;
}
String CanvasModulate::get_configuration_warning() const {
if (!is_visible_in_tree() || !is_inside_tree())
return String();
List<Node*> nodes;
get_tree()->get_nodes_in_group("_canvas_modulate_"+itos(get_canvas().get_id()),&nodes);
if (nodes.size()>1) {
return 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 String();
}
CanvasModulate::CanvasModulate()
{
color=Color(1,1,1,1);
}
CanvasModulate::~CanvasModulate()
{
}