mirror of
https://github.com/godotengine/godot.git
synced 2024-12-09 10:09:20 +08:00
162 lines
5.0 KiB
C++
162 lines
5.0 KiB
C++
/*************************************************************************/
|
|
/* event_queue.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* http://www.godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2015 Juan Linietsky, Ariel Manzur. */
|
|
/* */
|
|
/* 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. */
|
|
/*************************************************************************/
|
|
#include "event_queue.h"
|
|
|
|
|
|
Error EventQueue::push_call(uint32_t p_instance_ID, const StringName& p_method, VARIANT_ARG_DECLARE) {
|
|
|
|
uint8_t room_needed=sizeof(Event);
|
|
int args=0;
|
|
if (p_arg5.get_type()!=Variant::NIL)
|
|
args=5;
|
|
else if (p_arg4.get_type()!=Variant::NIL)
|
|
args=4;
|
|
else if (p_arg3.get_type()!=Variant::NIL)
|
|
args=3;
|
|
else if (p_arg2.get_type()!=Variant::NIL)
|
|
args=2;
|
|
else if (p_arg1.get_type()!=Variant::NIL)
|
|
args=1;
|
|
else
|
|
args=0;
|
|
|
|
room_needed+=sizeof(Variant)*args;
|
|
|
|
ERR_FAIL_COND_V( (buffer_end+room_needed) >= buffer_size , ERR_OUT_OF_MEMORY );
|
|
Event * ev = memnew_placement( &event_buffer[ buffer_end ], Event );
|
|
ev->args=args;
|
|
ev->instance_ID=p_instance_ID;
|
|
ev->method=p_method;
|
|
|
|
buffer_end+=sizeof(Event);
|
|
|
|
if (args>=1) {
|
|
|
|
Variant * v = memnew_placement( &event_buffer[ buffer_end ], Variant );
|
|
buffer_end+=sizeof(Variant);
|
|
*v=p_arg1;
|
|
}
|
|
|
|
if (args>=2) {
|
|
|
|
Variant * v = memnew_placement( &event_buffer[ buffer_end ], Variant );
|
|
buffer_end+=sizeof(Variant);
|
|
*v=p_arg2;
|
|
}
|
|
|
|
if (args>=3) {
|
|
|
|
Variant * v = memnew_placement( &event_buffer[ buffer_end ], Variant );
|
|
buffer_end+=sizeof(Variant);
|
|
*v=p_arg3;
|
|
|
|
}
|
|
|
|
if (args>=4) {
|
|
|
|
Variant * v = memnew_placement( &event_buffer[ buffer_end ], Variant );
|
|
buffer_end+=sizeof(Variant);
|
|
*v=p_arg4;
|
|
}
|
|
|
|
if (args>=5) {
|
|
|
|
Variant * v = memnew_placement( &event_buffer[ buffer_end ], Variant );
|
|
buffer_end+=sizeof(Variant);
|
|
*v=p_arg5;
|
|
}
|
|
|
|
if (buffer_max_used>buffer_end);
|
|
buffer_max_used=buffer_end;
|
|
|
|
return OK;
|
|
}
|
|
|
|
void EventQueue::flush_events() {
|
|
|
|
uint32_t read_pos=0;
|
|
|
|
while (read_pos < buffer_end ) {
|
|
|
|
Event *event = (Event*)&event_buffer[ read_pos ];
|
|
Variant *args= (Variant*)(event+1);
|
|
Object *obj = ObjectDB::get_instance(event->instance_ID);
|
|
|
|
if (obj) {
|
|
// events don't expect a return value
|
|
obj->call( event->method,
|
|
(event->args>=1) ? args[0] : Variant(),
|
|
(event->args>=2) ? args[1] : Variant(),
|
|
(event->args>=3) ? args[2] : Variant(),
|
|
(event->args>=4) ? args[3] : Variant(),
|
|
(event->args>=5) ? args[4] : Variant() );
|
|
}
|
|
|
|
if (event->args>=1) args[0].~Variant();
|
|
if (event->args>=2) args[1].~Variant();
|
|
if (event->args>=3) args[2].~Variant();
|
|
if (event->args>=4) args[3].~Variant();
|
|
if (event->args>=5) args[4].~Variant();
|
|
event->~Event();
|
|
|
|
read_pos+=sizeof(Event)+sizeof(Variant)*event->args;
|
|
}
|
|
|
|
buffer_end=0; // reset buffer
|
|
}
|
|
|
|
EventQueue::EventQueue(uint32_t p_buffer_size) {
|
|
|
|
|
|
buffer_end=0;
|
|
buffer_max_used=0;
|
|
buffer_size=p_buffer_size;
|
|
event_buffer = memnew_arr( uint8_t, buffer_size );
|
|
|
|
}
|
|
EventQueue::~EventQueue() {
|
|
|
|
uint32_t read_pos=0;
|
|
|
|
while (read_pos < buffer_end ) {
|
|
|
|
Event *event = (Event*)&event_buffer[ read_pos ];
|
|
Variant *args= (Variant*)(event+1);
|
|
for (int i=0;i<event->args;i++)
|
|
args[i].~Variant();
|
|
event->~Event();
|
|
|
|
read_pos+=sizeof(Event)+sizeof(Variant)*event->args;
|
|
}
|
|
|
|
memdelete_arr(event_buffer);
|
|
event_buffer=NULL;
|
|
}
|
|
|