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217 | /**************************************************************************/
/* visible_on_screen_notifier_2d.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 "visible_on_screen_notifier_2d.h"
#ifdef DEBUG_ENABLED
Rect2 VisibleOnScreenNotifier2D::_edit_get_rect() const {
return rect;
}
bool VisibleOnScreenNotifier2D::_edit_use_rect() const {
return true;
}
#endif // DEBUG_ENABLED
void VisibleOnScreenNotifier2D::_visibility_enter() {
if (!is_inside_tree() || Engine::get_singleton()->is_editor_hint()) {
return;
}
on_screen = true;
emit_signal(SceneStringName(screen_entered));
_screen_enter();
}
void VisibleOnScreenNotifier2D::_visibility_exit() {
if (!is_inside_tree() || Engine::get_singleton()->is_editor_hint()) {
return;
}
on_screen = false;
emit_signal(SceneStringName(screen_exited));
_screen_exit();
}
void VisibleOnScreenNotifier2D::set_rect(const Rect2 &p_rect) {
rect = p_rect;
if (is_inside_tree()) {
RS::get_singleton()->canvas_item_set_visibility_notifier(get_canvas_item(), true, rect, callable_mp(this, &VisibleOnScreenNotifier2D::_visibility_enter), callable_mp(this, &VisibleOnScreenNotifier2D::_visibility_exit));
}
queue_redraw();
}
Rect2 VisibleOnScreenNotifier2D::get_rect() const {
return rect;
}
void VisibleOnScreenNotifier2D::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE: {
on_screen = false;
RS::get_singleton()->canvas_item_set_visibility_notifier(get_canvas_item(), true, rect, callable_mp(this, &VisibleOnScreenNotifier2D::_visibility_enter), callable_mp(this, &VisibleOnScreenNotifier2D::_visibility_exit));
} break;
case NOTIFICATION_DRAW: {
if (Engine::get_singleton()->is_editor_hint()) {
draw_rect(rect, Color(1, 0.5, 1, 0.2));
}
} break;
case NOTIFICATION_EXIT_TREE: {
on_screen = false;
RS::get_singleton()->canvas_item_set_visibility_notifier(get_canvas_item(), false, Rect2(), Callable(), Callable());
} break;
}
}
bool VisibleOnScreenNotifier2D::is_on_screen() const {
return on_screen;
}
void VisibleOnScreenNotifier2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_rect", "rect"), &VisibleOnScreenNotifier2D::set_rect);
ClassDB::bind_method(D_METHOD("get_rect"), &VisibleOnScreenNotifier2D::get_rect);
ClassDB::bind_method(D_METHOD("is_on_screen"), &VisibleOnScreenNotifier2D::is_on_screen);
ADD_PROPERTY(PropertyInfo(Variant::RECT2, "rect", PROPERTY_HINT_NONE, "suffix:px"), "set_rect", "get_rect");
ADD_SIGNAL(MethodInfo("screen_entered"));
ADD_SIGNAL(MethodInfo("screen_exited"));
}
VisibleOnScreenNotifier2D::VisibleOnScreenNotifier2D() {
rect = Rect2(-10, -10, 20, 20);<--- Variable 'rect' is assigned in constructor body. Consider performing initialization in initialization list. [+]When an object of a class is created, the constructors of all member variables are called consecutively in the order the variables are declared, even if you don't explicitly write them to the initialization list. You could avoid assigning 'rect' a value by passing the value to the constructor in the initialization list.
set_hide_clip_children(true);
}
//////////////////////////////////////
void VisibleOnScreenEnabler2D::_screen_enter() {
_update_enable_mode(true);
}
void VisibleOnScreenEnabler2D::_screen_exit() {
_update_enable_mode(false);
}
void VisibleOnScreenEnabler2D::set_enable_mode(EnableMode p_mode) {
enable_mode = p_mode;
if (is_inside_tree()) {
_update_enable_mode(is_on_screen());
}
}
VisibleOnScreenEnabler2D::EnableMode VisibleOnScreenEnabler2D::get_enable_mode() {
return enable_mode;
}
void VisibleOnScreenEnabler2D::set_enable_node_path(NodePath p_path) {
if (enable_node_path == p_path) {
return;
}
enable_node_path = p_path;
if (enable_node_path.is_empty()) {
node_id = ObjectID();
return;
}
if (is_inside_tree() && !Engine::get_singleton()->is_editor_hint()) {
node_id = ObjectID();
Node *node = get_node(enable_node_path);
if (node) {
node_id = node->get_instance_id();
_update_enable_mode(is_on_screen());
}
}
}
NodePath VisibleOnScreenEnabler2D::get_enable_node_path() {
return enable_node_path;
}
void VisibleOnScreenEnabler2D::_update_enable_mode(bool p_enable) {
Node *node = static_cast<Node *>(ObjectDB::get_instance(node_id));
if (node) {
if (p_enable) {
switch (enable_mode) {
case ENABLE_MODE_INHERIT: {
node->set_process_mode(PROCESS_MODE_INHERIT);
} break;
case ENABLE_MODE_ALWAYS: {
node->set_process_mode(PROCESS_MODE_ALWAYS);
} break;
case ENABLE_MODE_WHEN_PAUSED: {
node->set_process_mode(PROCESS_MODE_WHEN_PAUSED);
} break;
}
} else {
node->set_process_mode(PROCESS_MODE_DISABLED);
}
}
}
void VisibleOnScreenEnabler2D::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE: {
if (Engine::get_singleton()->is_editor_hint()) {
return;
}
node_id = ObjectID();
if (enable_node_path.is_empty()) {
return;
}
Node *node = get_node(enable_node_path);
if (node) {
node_id = node->get_instance_id();
node->set_process_mode(PROCESS_MODE_DISABLED);
}
} break;
case NOTIFICATION_EXIT_TREE: {
node_id = ObjectID();
} break;
}
}
void VisibleOnScreenEnabler2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_enable_mode", "mode"), &VisibleOnScreenEnabler2D::set_enable_mode);
ClassDB::bind_method(D_METHOD("get_enable_mode"), &VisibleOnScreenEnabler2D::get_enable_mode);
ClassDB::bind_method(D_METHOD("set_enable_node_path", "path"), &VisibleOnScreenEnabler2D::set_enable_node_path);
ClassDB::bind_method(D_METHOD("get_enable_node_path"), &VisibleOnScreenEnabler2D::get_enable_node_path);
ADD_GROUP("Enabling", "enable_");
ADD_PROPERTY(PropertyInfo(Variant::INT, "enable_mode", PROPERTY_HINT_ENUM, "Inherit,Always,When Paused"), "set_enable_mode", "get_enable_mode");
ADD_PROPERTY(PropertyInfo(Variant::NODE_PATH, "enable_node_path"), "set_enable_node_path", "get_enable_node_path");
BIND_ENUM_CONSTANT(ENABLE_MODE_INHERIT);
BIND_ENUM_CONSTANT(ENABLE_MODE_ALWAYS);
BIND_ENUM_CONSTANT(ENABLE_MODE_WHEN_PAUSED);
}
VisibleOnScreenEnabler2D::VisibleOnScreenEnabler2D() {
}
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