cacced7e50
Currently we rely on some undefined behavior when Object->cast_to() gets called with a Null pointer. This used to work fine with GCC < 6 but newer versions of GCC remove all codepaths in which the this pointer is Null. However, the non-static cast_to() was supposed to be null safe. This patch makes cast_to() Null safe and removes the now redundant Null checks where they existed. It is explained in this article: https://www.viva64.com/en/b/0226/
151 lines
4.6 KiB
C++
151 lines
4.6 KiB
C++
/*************************************************************************/
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/* stream_editor_plugin.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2017 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 "stream_editor_plugin.h"
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#if 0
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void StreamEditor::_notification(int p_what) {
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if (p_what==NOTIFICATION_ENTER_TREE) {
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play->set_icon( get_icon("Play","EditorIcons") );
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stop->set_icon( get_icon("Stop","EditorIcons") );
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}
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}
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void StreamEditor::_node_removed(Node *p_node) {
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if(p_node==node) {
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node=NULL;
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hide();
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}
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}
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void StreamEditor::_play() {
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node->call("play");
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}
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void StreamEditor::_stop() {
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node->call("stop");
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}
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void StreamEditor::_bind_methods() {
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ClassDB::bind_method(D_METHOD("_play"),&StreamEditor::_play);
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ClassDB::bind_method(D_METHOD("_stop"),&StreamEditor::_stop);
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}
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void StreamEditor::edit(Node *p_stream) {
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node=p_stream;
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}
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StreamEditor::StreamEditor() {
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play = memnew( Button );
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play->set_anchor_and_margin(MARGIN_LEFT,Control::ANCHOR_END,60);
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play->set_anchor_and_margin(MARGIN_RIGHT,Control::ANCHOR_END,40);
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play->set_anchor_and_margin(MARGIN_TOP,Control::ANCHOR_BEGIN,0);
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play->set_anchor_and_margin(MARGIN_BOTTOM,Control::ANCHOR_BEGIN,0);
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add_child(play);
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stop = memnew( Button );
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stop->set_position(Point2( 35, 5 ));
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stop->set_anchor_and_margin(MARGIN_LEFT,Control::ANCHOR_END,30);
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stop->set_anchor_and_margin(MARGIN_RIGHT,Control::ANCHOR_END,10);
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stop->set_anchor_and_margin(MARGIN_TOP,Control::ANCHOR_BEGIN,0);
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stop->set_anchor_and_margin(MARGIN_BOTTOM,Control::ANCHOR_BEGIN,0);
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add_child(stop);
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play->connect("pressed", this,"_play");
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stop->connect("pressed", this,"_stop");
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}
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void StreamEditorPlugin::edit(Object *p_object) {
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stream_editor->edit(Object::cast_to<Node>(p_object));
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}
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bool StreamEditorPlugin::handles(Object *p_object) const {
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return p_object->is_class("StreamPlayer") || p_object->is_class("SpatialStreamPlayer");
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}
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void StreamEditorPlugin::make_visible(bool p_visible) {
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if (p_visible) {
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stream_editor->show();
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stream_editor->set_fixed_process(true);
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} else {
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stream_editor->hide();
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stream_editor->set_fixed_process(false);
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stream_editor->edit(NULL);
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}
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}
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StreamEditorPlugin::StreamEditorPlugin(EditorNode *p_node) {
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editor=p_node;
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stream_editor = memnew( StreamEditor );
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editor->get_viewport()->add_child(stream_editor);
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stream_editor->set_anchor(MARGIN_LEFT,Control::ANCHOR_END);
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stream_editor->set_anchor(MARGIN_RIGHT,Control::ANCHOR_END);
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stream_editor->set_margin(MARGIN_LEFT,60);
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stream_editor->set_margin(MARGIN_RIGHT,0);
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stream_editor->set_margin(MARGIN_TOP,0);
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stream_editor->set_margin(MARGIN_BOTTOM,10);
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stream_editor->hide();
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}
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StreamEditorPlugin::~StreamEditorPlugin()
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{
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}
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#endif
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