mirror of
https://github.com/godotengine/godot
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218 lines
7.6 KiB
C++
218 lines
7.6 KiB
C++
/**************************************************************************/
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/* visible_on_screen_notifier_2d.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#include "visible_on_screen_notifier_2d.h"
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#ifdef TOOLS_ENABLED
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Rect2 VisibleOnScreenNotifier2D::_edit_get_rect() const {
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return rect;
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}
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bool VisibleOnScreenNotifier2D::_edit_use_rect() const {
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return true;
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}
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#endif
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void VisibleOnScreenNotifier2D::_visibility_enter() {
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if (!is_inside_tree() || Engine::get_singleton()->is_editor_hint()) {
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return;
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}
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on_screen = true;
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emit_signal(SceneStringName(screen_entered));
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_screen_enter();
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}
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void VisibleOnScreenNotifier2D::_visibility_exit() {
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if (!is_inside_tree() || Engine::get_singleton()->is_editor_hint()) {
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return;
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}
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on_screen = false;
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emit_signal(SceneStringName(screen_exited));
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_screen_exit();
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}
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void VisibleOnScreenNotifier2D::set_rect(const Rect2 &p_rect) {
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rect = p_rect;
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if (is_inside_tree()) {
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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));
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}
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queue_redraw();
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}
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Rect2 VisibleOnScreenNotifier2D::get_rect() const {
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return rect;
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}
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void VisibleOnScreenNotifier2D::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_ENTER_TREE: {
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on_screen = false;
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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));
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} break;
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case NOTIFICATION_DRAW: {
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if (Engine::get_singleton()->is_editor_hint()) {
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draw_rect(rect, Color(1, 0.5, 1, 0.2));
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}
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} break;
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case NOTIFICATION_EXIT_TREE: {
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on_screen = false;
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RS::get_singleton()->canvas_item_set_visibility_notifier(get_canvas_item(), false, Rect2(), Callable(), Callable());
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} break;
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}
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}
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bool VisibleOnScreenNotifier2D::is_on_screen() const {
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return on_screen;
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}
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void VisibleOnScreenNotifier2D::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_rect", "rect"), &VisibleOnScreenNotifier2D::set_rect);
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ClassDB::bind_method(D_METHOD("get_rect"), &VisibleOnScreenNotifier2D::get_rect);
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ClassDB::bind_method(D_METHOD("is_on_screen"), &VisibleOnScreenNotifier2D::is_on_screen);
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ADD_PROPERTY(PropertyInfo(Variant::RECT2, "rect", PROPERTY_HINT_NONE, "suffix:px"), "set_rect", "get_rect");
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ADD_SIGNAL(MethodInfo("screen_entered"));
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ADD_SIGNAL(MethodInfo("screen_exited"));
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}
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VisibleOnScreenNotifier2D::VisibleOnScreenNotifier2D() {
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rect = Rect2(-10, -10, 20, 20);
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set_hide_clip_children(true);
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}
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//////////////////////////////////////
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void VisibleOnScreenEnabler2D::_screen_enter() {
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_update_enable_mode(true);
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}
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void VisibleOnScreenEnabler2D::_screen_exit() {
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_update_enable_mode(false);
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}
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void VisibleOnScreenEnabler2D::set_enable_mode(EnableMode p_mode) {
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enable_mode = p_mode;
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if (is_inside_tree()) {
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_update_enable_mode(is_on_screen());
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}
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}
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VisibleOnScreenEnabler2D::EnableMode VisibleOnScreenEnabler2D::get_enable_mode() {
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return enable_mode;
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}
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void VisibleOnScreenEnabler2D::set_enable_node_path(NodePath p_path) {
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if (enable_node_path == p_path) {
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return;
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}
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enable_node_path = p_path;
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if (enable_node_path.is_empty()) {
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node_id = ObjectID();
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return;
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}
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if (is_inside_tree() && !Engine::get_singleton()->is_editor_hint()) {
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node_id = ObjectID();
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Node *node = get_node(enable_node_path);
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if (node) {
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node_id = node->get_instance_id();
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_update_enable_mode(is_on_screen());
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}
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}
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}
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NodePath VisibleOnScreenEnabler2D::get_enable_node_path() {
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return enable_node_path;
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}
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void VisibleOnScreenEnabler2D::_update_enable_mode(bool p_enable) {
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Node *node = static_cast<Node *>(ObjectDB::get_instance(node_id));
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if (node) {
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if (p_enable) {
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switch (enable_mode) {
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case ENABLE_MODE_INHERIT: {
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node->set_process_mode(PROCESS_MODE_INHERIT);
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} break;
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case ENABLE_MODE_ALWAYS: {
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node->set_process_mode(PROCESS_MODE_ALWAYS);
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} break;
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case ENABLE_MODE_WHEN_PAUSED: {
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node->set_process_mode(PROCESS_MODE_WHEN_PAUSED);
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} break;
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}
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} else {
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node->set_process_mode(PROCESS_MODE_DISABLED);
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}
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}
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}
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void VisibleOnScreenEnabler2D::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_ENTER_TREE: {
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if (Engine::get_singleton()->is_editor_hint()) {
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return;
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}
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node_id = ObjectID();
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if (enable_node_path.is_empty()) {
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return;
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}
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Node *node = get_node(enable_node_path);
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if (node) {
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node_id = node->get_instance_id();
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node->set_process_mode(PROCESS_MODE_DISABLED);
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}
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} break;
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case NOTIFICATION_EXIT_TREE: {
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node_id = ObjectID();
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} break;
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}
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}
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void VisibleOnScreenEnabler2D::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_enable_mode", "mode"), &VisibleOnScreenEnabler2D::set_enable_mode);
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ClassDB::bind_method(D_METHOD("get_enable_mode"), &VisibleOnScreenEnabler2D::get_enable_mode);
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ClassDB::bind_method(D_METHOD("set_enable_node_path", "path"), &VisibleOnScreenEnabler2D::set_enable_node_path);
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ClassDB::bind_method(D_METHOD("get_enable_node_path"), &VisibleOnScreenEnabler2D::get_enable_node_path);
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ADD_GROUP("Enabling", "enable_");
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ADD_PROPERTY(PropertyInfo(Variant::INT, "enable_mode", PROPERTY_HINT_ENUM, "Inherit,Always,When Paused"), "set_enable_mode", "get_enable_mode");
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ADD_PROPERTY(PropertyInfo(Variant::NODE_PATH, "enable_node_path"), "set_enable_node_path", "get_enable_node_path");
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BIND_ENUM_CONSTANT(ENABLE_MODE_INHERIT);
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BIND_ENUM_CONSTANT(ENABLE_MODE_ALWAYS);
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BIND_ENUM_CONSTANT(ENABLE_MODE_WHEN_PAUSED);
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}
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VisibleOnScreenEnabler2D::VisibleOnScreenEnabler2D() {
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}
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