Merge pull request #43385 from reduz/reorganize-core

Reorganize and clean up core/ directory

1 files changed, 98 insertions, 0 deletions

diff --git a/core/object/message_queue.h b/core/object/message_queue.h
new file mode 100644
index 0000000000..2901ab196a
--- /dev/null
+++ b/core/object/message_queue.h
@@ -0,0 +1,98 @@
+/*************************************************************************/
+/*  message_queue.h                                                      */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2020 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.                */
+/*************************************************************************/
+
+#ifndef MESSAGE_QUEUE_H
+#define MESSAGE_QUEUE_H
+
+#include "core/object/class_db.h"
+#include "core/os/thread_safe.h"
+
+class MessageQueue {
+	_THREAD_SAFE_CLASS_
+
+	enum {
+		DEFAULT_QUEUE_SIZE_KB = 4096
+	};
+
+	enum {
+		TYPE_CALL,
+		TYPE_NOTIFICATION,
+		TYPE_SET,
+		FLAG_SHOW_ERROR = 1 << 14,
+		FLAG_MASK = FLAG_SHOW_ERROR - 1
+
+	};
+
+	struct Message {
+		Callable callable;
+		int16_t type;
+		union {
+			int16_t notification;
+			int16_t args;
+		};
+	};
+
+	uint8_t *buffer;
+	uint32_t buffer_end = 0;
+	uint32_t buffer_max_used = 0;
+	uint32_t buffer_size;
+
+	void _call_function(const Callable &p_callable, const Variant *p_args, int p_argcount, bool p_show_error);
+
+	static MessageQueue *singleton;
+
+	bool flushing = false;
+
+public:
+	static MessageQueue *get_singleton();
+
+	Error push_call(ObjectID p_id, const StringName &p_method, const Variant **p_args, int p_argcount, bool p_show_error = false);
+	Error push_call(ObjectID p_id, const StringName &p_method, VARIANT_ARG_LIST);
+	Error push_notification(ObjectID p_id, int p_notification);
+	Error push_set(ObjectID p_id, const StringName &p_prop, const Variant &p_value);
+	Error push_callable(const Callable &p_callable, const Variant **p_args, int p_argcount, bool p_show_error = false);
+	Error push_callable(const Callable &p_callable, VARIANT_ARG_LIST);
+
+	Error push_call(Object *p_object, const StringName &p_method, VARIANT_ARG_LIST);
+	Error push_notification(Object *p_object, int p_notification);
+	Error push_set(Object *p_object, const StringName &p_prop, const Variant &p_value);
+
+	void statistics();
+	void flush();
+
+	bool is_flushing() const;
+
+	int get_max_buffer_usage() const;
+
+	MessageQueue();
+	~MessageQueue();
+};
+
+#endif // MESSAGE_QUEUE_H