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/*************************************************************************/
/* visible_on_screen_notifier_2d.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 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 "visible_on_screen_notifier_2d.h"
#include "scene/scene_string_names.h"
#ifdef TOOLS_ENABLED
Rect2 VisibleOnScreenNotifier2D::_edit_get_rect() const {
return rect;
}
bool VisibleOnScreenNotifier2D::_edit_use_rect() const {
return true;
}
#endif
void VisibleOnScreenNotifier2D::_visibility_enter() {
if (!is_inside_tree() || Engine::get_singleton()->is_editor_hint()) {
return;
}
on_screen = true;
emit_signal(SceneStringNames::get_singleton()->screen_entered);
_screen_enter();
}
void VisibleOnScreenNotifier2D::_visibility_exit() {
if (!is_inside_tree() || Engine::get_singleton()->is_editor_hint()) {
return;
}
on_screen = false;
emit_signal(SceneStringNames::get_singleton()->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);
}
//////////////////////////////////////
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 (is_inside_tree()) {
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();
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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