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virtualx-engine/scene/main/timer.cpp
Rémi Verschelde c7bc44d5ad Welcome in 2017, dear changelog reader! 
That year should bring the long-awaited OpenGL ES 3.0 compatible renderer
with state-of-the-art rendering techniques tuned to work as low as middle
end handheld devices - without compromising with the possibilities given
for higher end desktop games of course. Great times ahead for the Godot
community and the gamers that will play our games!
2017-01-01 22:03:33 +01:00

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/*************************************************************************/
/* timer.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 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 "timer.h"
void Timer::_notification(int p_what) {
switch(p_what) {
case NOTIFICATION_READY: {
if (autostart) {
#ifdef TOOLS_ENABLED
if (get_tree()->is_editor_hint() && get_tree()->get_edited_scene_root() && (get_tree()->get_edited_scene_root()==this || get_tree()->get_edited_scene_root()->is_a_parent_of(this)))
break;
#endif
start();
autostart=false;
}
} break;
case NOTIFICATION_PROCESS: {
if (timer_process_mode == TIMER_PROCESS_FIXED || !is_processing())
return;
time_left -= get_process_delta_time();
if (time_left<0) {
if (!one_shot)
//time_left=wait_time+time_left;
time_left = wait_time;
else
stop();
emit_signal("timeout");
}
} break;
case NOTIFICATION_FIXED_PROCESS: {
if (timer_process_mode == TIMER_PROCESS_IDLE || !is_fixed_processing())
return;
time_left -= get_fixed_process_delta_time();
if (time_left<0) {
if (!one_shot)
//time_left = wait_time + time_left;
time_left = wait_time;
else
stop();
emit_signal("timeout");
}
} break;
}
}
void Timer::set_wait_time(float p_time) {
ERR_EXPLAIN("time should be greater than zero.");
ERR_FAIL_COND(p_time<=0);
wait_time=p_time;
}
float Timer::get_wait_time() const {
return wait_time;
}
void Timer::set_one_shot(bool p_one_shot) {
one_shot=p_one_shot;
}
bool Timer::is_one_shot() const {
return one_shot;
}
void Timer::set_autostart(bool p_start) {
autostart=p_start;
}
bool Timer::has_autostart() const {
return autostart;
}
void Timer::start() {
time_left=wait_time;
_set_process(true);
}
void Timer::stop() {
time_left=-1;
_set_process(false);
autostart=false;
}
void Timer::set_active(bool p_active) {
if (active == p_active)
return;
active = p_active;
_set_process(processing);
}
bool Timer::is_active() const {
return active;
}
float Timer::get_time_left() const {
return time_left >0 ? time_left : 0;
}
void Timer::set_timer_process_mode(TimerProcessMode p_mode) {
if (timer_process_mode == p_mode)
return;
switch (timer_process_mode) {
case TIMER_PROCESS_FIXED:
if (is_fixed_processing()) {
set_fixed_process(false);
set_process(true);
}
break;
case TIMER_PROCESS_IDLE:
if (is_processing()) {
set_process(false);
set_fixed_process(true);
}
break;
}
timer_process_mode = p_mode;
}
Timer::TimerProcessMode Timer::get_timer_process_mode() const{
return timer_process_mode;
}
void Timer::_set_process(bool p_process, bool p_force)
{
switch (timer_process_mode) {
case TIMER_PROCESS_FIXED: set_fixed_process(p_process && active); break;
case TIMER_PROCESS_IDLE: set_process(p_process && active); break;
}
processing = p_process;
}
void Timer::_bind_methods() {
ObjectTypeDB::bind_method(_MD("set_wait_time","time_sec"),&Timer::set_wait_time);
ObjectTypeDB::bind_method(_MD("get_wait_time"),&Timer::get_wait_time);
ObjectTypeDB::bind_method(_MD("set_one_shot","enable"),&Timer::set_one_shot);
ObjectTypeDB::bind_method(_MD("is_one_shot"),&Timer::is_one_shot);
ObjectTypeDB::bind_method(_MD("set_autostart","enable"),&Timer::set_autostart);
ObjectTypeDB::bind_method(_MD("has_autostart"),&Timer::has_autostart);
ObjectTypeDB::bind_method(_MD("start"),&Timer::start);
ObjectTypeDB::bind_method(_MD("stop"),&Timer::stop);
ObjectTypeDB::bind_method(_MD("set_active", "active"), &Timer::set_active);
ObjectTypeDB::bind_method(_MD("is_active"), &Timer::is_active);
ObjectTypeDB::bind_method(_MD("get_time_left"),&Timer::get_time_left);
ObjectTypeDB::bind_method(_MD("set_timer_process_mode", "mode"), &Timer::set_timer_process_mode);
ObjectTypeDB::bind_method(_MD("get_timer_process_mode"), &Timer::get_timer_process_mode);
ADD_SIGNAL( MethodInfo("timeout") );
ADD_PROPERTY( PropertyInfo(Variant::INT, "process_mode", PROPERTY_HINT_ENUM, "Fixed,Idle"), _SCS("set_timer_process_mode"), _SCS("get_timer_process_mode") );
ADD_PROPERTY( PropertyInfo(Variant::REAL, "wait_time", PROPERTY_HINT_EXP_RANGE, "0.01,4096,0.01" ), _SCS("set_wait_time"), _SCS("get_wait_time") );
ADD_PROPERTY( PropertyInfo(Variant::BOOL, "one_shot" ), _SCS("set_one_shot"), _SCS("is_one_shot") );
ADD_PROPERTY( PropertyInfo(Variant::BOOL, "autostart" ), _SCS("set_autostart"), _SCS("has_autostart") );
BIND_CONSTANT( TIMER_PROCESS_FIXED );
BIND_CONSTANT( TIMER_PROCESS_IDLE );
}
Timer::Timer() {
timer_process_mode = TIMER_PROCESS_IDLE;
autostart=false;
wait_time=1;
one_shot=false;
time_left = -1;
processing = false;
active = true;
}
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