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	-removed 4 arguments limit for emit_signal() from script -remvoed 4 arguments limit for call_deferred() from script
		
			
				
	
	
		
			97 lines
		
	
	
	
		
			3.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			97 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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/*                    http://www.godotengine.org                         */
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/*************************************************************************/
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/* Copyright (c) 2007-2016 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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#ifndef MESSAGE_QUEUE_H
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#define MESSAGE_QUEUE_H
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#include "object.h"
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#include "os/mutex.h"
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#include "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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	Mutex *mutex;
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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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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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	bool print();
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	void statistics();
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	void flush();
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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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