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![Rémi Verschelde](/assets/img/avatar_default.png)
Happy new year to the wonderful Godot community!
2020 has been a tough year for most of us personally, but a good year for
Godot development nonetheless with a huge amount of work done towards Godot
4.0 and great improvements backported to the long-lived 3.2 branch.
We've had close to 400 contributors to engine code this year, authoring near
7,000 commit! (And that's only for the `master` branch and for the engine code,
there's a lot more when counting docs, demos and other first-party repos.)
Here's to a great year 2021 for all Godot users 🎆
211 lines
6.4 KiB
C++
211 lines
6.4 KiB
C++
/*************************************************************************/
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/* subviewport_container.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) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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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 "subviewport_container.h"
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#include "core/config/engine.h"
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#include "scene/main/viewport.h"
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Size2 SubViewportContainer::get_minimum_size() const {
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if (stretch) {
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return Size2();
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}
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Size2 ms;
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for (int i = 0; i < get_child_count(); i++) {
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SubViewport *c = Object::cast_to<SubViewport>(get_child(i));
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if (!c) {
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continue;
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}
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Size2 minsize = c->get_size();
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ms.width = MAX(ms.width, minsize.width);
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ms.height = MAX(ms.height, minsize.height);
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}
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return ms;
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}
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void SubViewportContainer::set_stretch(bool p_enable) {
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stretch = p_enable;
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queue_sort();
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update();
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}
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bool SubViewportContainer::is_stretch_enabled() const {
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return stretch;
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}
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void SubViewportContainer::set_stretch_shrink(int p_shrink) {
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ERR_FAIL_COND(p_shrink < 1);
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if (shrink == p_shrink) {
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return;
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}
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shrink = p_shrink;
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if (!stretch) {
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return;
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}
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for (int i = 0; i < get_child_count(); i++) {
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SubViewport *c = Object::cast_to<SubViewport>(get_child(i));
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if (!c) {
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continue;
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}
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c->set_size(get_size() / shrink);
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}
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update();
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}
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int SubViewportContainer::get_stretch_shrink() const {
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return shrink;
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}
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void SubViewportContainer::_notification(int p_what) {
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if (p_what == NOTIFICATION_RESIZED) {
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if (!stretch) {
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return;
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}
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for (int i = 0; i < get_child_count(); i++) {
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SubViewport *c = Object::cast_to<SubViewport>(get_child(i));
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if (!c) {
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continue;
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}
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c->set_size(get_size() / shrink);
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}
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}
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if (p_what == NOTIFICATION_ENTER_TREE || p_what == NOTIFICATION_VISIBILITY_CHANGED) {
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for (int i = 0; i < get_child_count(); i++) {
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SubViewport *c = Object::cast_to<SubViewport>(get_child(i));
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if (!c) {
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continue;
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}
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if (is_visible_in_tree()) {
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c->set_update_mode(SubViewport::UPDATE_ALWAYS);
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} else {
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c->set_update_mode(SubViewport::UPDATE_DISABLED);
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}
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c->set_handle_input_locally(false); //do not handle input locally here
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}
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}
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if (p_what == NOTIFICATION_DRAW) {
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for (int i = 0; i < get_child_count(); i++) {
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SubViewport *c = Object::cast_to<SubViewport>(get_child(i));
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if (!c) {
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continue;
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}
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if (stretch) {
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draw_texture_rect(c->get_texture(), Rect2(Vector2(), get_size()));
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} else {
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draw_texture_rect(c->get_texture(), Rect2(Vector2(), c->get_size()));
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}
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}
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}
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}
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void SubViewportContainer::_input(const Ref<InputEvent> &p_event) {
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if (Engine::get_singleton()->is_editor_hint()) {
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return;
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}
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Transform2D xform = get_global_transform();
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if (stretch) {
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Transform2D scale_xf;
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scale_xf.scale(Vector2(shrink, shrink));
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xform *= scale_xf;
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}
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Ref<InputEvent> ev = p_event->xformed_by(xform.affine_inverse());
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for (int i = 0; i < get_child_count(); i++) {
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SubViewport *c = Object::cast_to<SubViewport>(get_child(i));
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if (!c || c->is_input_disabled()) {
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continue;
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}
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c->input(ev);
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}
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}
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void SubViewportContainer::_unhandled_input(const Ref<InputEvent> &p_event) {
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if (Engine::get_singleton()->is_editor_hint()) {
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return;
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}
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Transform2D xform = get_global_transform();
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if (stretch) {
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Transform2D scale_xf;
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scale_xf.scale(Vector2(shrink, shrink));
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xform *= scale_xf;
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}
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Ref<InputEvent> ev = p_event->xformed_by(xform.affine_inverse());
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for (int i = 0; i < get_child_count(); i++) {
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SubViewport *c = Object::cast_to<SubViewport>(get_child(i));
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if (!c || c->is_input_disabled()) {
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continue;
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}
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c->unhandled_input(ev);
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}
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}
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void SubViewportContainer::_bind_methods() {
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ClassDB::bind_method(D_METHOD("_unhandled_input", "event"), &SubViewportContainer::_unhandled_input);
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ClassDB::bind_method(D_METHOD("_input", "event"), &SubViewportContainer::_input);
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ClassDB::bind_method(D_METHOD("set_stretch", "enable"), &SubViewportContainer::set_stretch);
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ClassDB::bind_method(D_METHOD("is_stretch_enabled"), &SubViewportContainer::is_stretch_enabled);
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ClassDB::bind_method(D_METHOD("set_stretch_shrink", "amount"), &SubViewportContainer::set_stretch_shrink);
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ClassDB::bind_method(D_METHOD("get_stretch_shrink"), &SubViewportContainer::get_stretch_shrink);
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "stretch"), "set_stretch", "is_stretch_enabled");
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ADD_PROPERTY(PropertyInfo(Variant::INT, "stretch_shrink"), "set_stretch_shrink", "get_stretch_shrink");
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}
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SubViewportContainer::SubViewportContainer() {
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stretch = false;
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shrink = 1;
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set_process_input(true);
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set_process_unhandled_input(true);
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}
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