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Happy new year to the wonderful Godot community! We're starting a new decade with a well-established, non-profit, free and open source game engine, and tons of further improvements in the pipeline from hundreds of contributors. Godot will keep getting better, and we're looking forward to all the games that the community will keep developing and releasing with it.
100 lines
3.6 KiB
C++
100 lines
3.6 KiB
C++
/*************************************************************************/
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/* message_queue.h */
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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) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 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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#ifndef MESSAGE_QUEUE_H
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#define MESSAGE_QUEUE_H
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#include "core/object.h"
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#include "core/os/thread_safe.h"
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class MessageQueue {
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_THREAD_SAFE_CLASS_
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enum {
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DEFAULT_QUEUE_SIZE_KB = 1024
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};
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enum {
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TYPE_CALL,
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TYPE_NOTIFICATION,
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TYPE_SET,
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FLAG_SHOW_ERROR = 1 << 14,
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FLAG_MASK = FLAG_SHOW_ERROR - 1
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};
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struct Message {
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ObjectID instance_id;
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StringName target;
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int16_t type;
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union {
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int16_t notification;
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int16_t args;
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};
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};
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uint8_t *buffer;
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uint32_t buffer_end;
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uint32_t buffer_max_used;
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uint32_t buffer_size;
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void _call_function(Object *p_target, const StringName &p_func, const Variant *p_args, int p_argcount, bool p_show_error);
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static MessageQueue *singleton;
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bool flushing;
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public:
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static MessageQueue *get_singleton();
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Error push_call(ObjectID p_id, const StringName &p_method, const Variant **p_args, int p_argcount, bool p_show_error = false);
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Error push_call(ObjectID p_id, const StringName &p_method, VARIANT_ARG_LIST);
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Error push_notification(ObjectID p_id, int p_notification);
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Error push_set(ObjectID p_id, const StringName &p_prop, const Variant &p_value);
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Error push_call(Object *p_object, const StringName &p_method, VARIANT_ARG_LIST);
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Error push_notification(Object *p_object, int p_notification);
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Error push_set(Object *p_object, const StringName &p_prop, const Variant &p_value);
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void statistics();
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void flush();
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bool is_flushing() const;
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int get_max_buffer_usage() const;
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MessageQueue();
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~MessageQueue();
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};
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#endif // MESSAGE_QUEUE_H
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