135 lines
5.3 KiB
C++
135 lines
5.3 KiB
C++
/**************************************************************************/
|
|
/* canvas_modulate.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 "canvas_modulate.h"
|
|
|
|
void CanvasModulate::_on_in_canvas_visibility_changed(bool p_new_visibility) {
|
|
RID canvas = get_canvas();
|
|
StringName group_name = "_canvas_modulate_" + itos(canvas.get_id());
|
|
|
|
ERR_FAIL_COND_MSG(p_new_visibility == is_in_group(group_name), vformat("CanvasModulate becoming %s in the canvas already %s in the modulate group. Buggy logic, please report.", p_new_visibility ? "visible" : "invisible", p_new_visibility ? "was" : "was not"));
|
|
|
|
if (p_new_visibility) {
|
|
bool has_active_canvas_modulate = get_tree()->has_group(group_name); // Group would be removed if empty; otherwise one CanvasModulate within must be active.
|
|
add_to_group(group_name);
|
|
if (!has_active_canvas_modulate) {
|
|
is_active = true;
|
|
RS::get_singleton()->canvas_set_modulate(canvas, color);
|
|
}
|
|
} else {
|
|
remove_from_group(group_name);
|
|
if (is_active) {
|
|
is_active = false;
|
|
CanvasModulate *new_active = Object::cast_to<CanvasModulate>(get_tree()->get_first_node_in_group(group_name));
|
|
if (new_active) {
|
|
new_active->is_active = true;
|
|
RS::get_singleton()->canvas_set_modulate(canvas, new_active->color);
|
|
} else {
|
|
RS::get_singleton()->canvas_set_modulate(canvas, Color(1, 1, 1, 1));
|
|
}
|
|
}
|
|
}
|
|
|
|
update_configuration_warnings();
|
|
}
|
|
|
|
void CanvasModulate::_notification(int p_what) {
|
|
switch (p_what) {
|
|
case NOTIFICATION_ENTER_CANVAS: {
|
|
is_in_canvas = true;
|
|
bool visible_in_tree = is_visible_in_tree();
|
|
if (visible_in_tree) {
|
|
_on_in_canvas_visibility_changed(true);
|
|
}
|
|
was_visible_in_tree = visible_in_tree;
|
|
} break;
|
|
|
|
case NOTIFICATION_EXIT_CANVAS: {
|
|
is_in_canvas = false;
|
|
if (was_visible_in_tree) {
|
|
_on_in_canvas_visibility_changed(false);
|
|
}
|
|
} break;
|
|
|
|
case NOTIFICATION_VISIBILITY_CHANGED: {
|
|
if (!is_in_canvas) {
|
|
return;
|
|
}
|
|
|
|
bool visible_in_tree = is_visible_in_tree();
|
|
if (visible_in_tree == was_visible_in_tree) {
|
|
return;
|
|
}
|
|
|
|
_on_in_canvas_visibility_changed(visible_in_tree);
|
|
|
|
was_visible_in_tree = visible_in_tree;
|
|
} break;
|
|
}
|
|
}
|
|
|
|
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_active) {
|
|
RS::get_singleton()->canvas_set_modulate(get_canvas(), color);
|
|
}
|
|
}
|
|
|
|
Color CanvasModulate::get_color() const {
|
|
return color;
|
|
}
|
|
|
|
PackedStringArray CanvasModulate::get_configuration_warnings() const {
|
|
PackedStringArray warnings = Node::get_configuration_warnings();
|
|
|
|
if (is_in_canvas && is_visible_in_tree()) {
|
|
List<Node *> nodes;
|
|
get_tree()->get_nodes_in_group("_canvas_modulate_" + itos(get_canvas().get_id()), &nodes);
|
|
|
|
if (nodes.size() > 1) {
|
|
warnings.push_back(RTR("Only one visible CanvasModulate is allowed per canvas.\nWhen there are more than one, only one of them will be active. Which one is undefined."));
|
|
}
|
|
}
|
|
|
|
return warnings;
|
|
}
|
|
|
|
CanvasModulate::CanvasModulate() {
|
|
}
|
|
|
|
CanvasModulate::~CanvasModulate() {
|
|
}
|