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godot/scene/audio/event_player.cpp

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/*************************************************************************/
/* event_player.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2018 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. */
/*************************************************************************/
#include "event_player.h"
void EventPlayer::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE: {
//set_idle_process(false); //don't annoy
if (playback.is_valid() && autoplay && !get_tree()->is_editor_hint())
play();
} break;
case NOTIFICATION_EXIT_TREE: {
stop(); //wathever it may be doing, stop
} break;
}
}
void EventPlayer::set_stream(const Ref<EventStream> &p_stream) {
stop();
stream = p_stream;
if (stream.is_valid())
playback = stream->instance_playback();
else
playback.unref();
if (playback.is_valid()) {
playback->set_loop(loops);
playback->set_paused(paused);
playback->set_volume(volume);
for (int i = 0; i < (MIN(MAX_CHANNELS, stream->get_channel_count())); i++)
playback->set_channel_volume(i, channel_volume[i]);
}
}
Ref<EventStream> EventPlayer::get_stream() const {
return stream;
}
void EventPlayer::play() {
ERR_FAIL_COND(!is_inside_tree());
if (playback.is_null()) {
return;
}
if (playback->is_playing()) {
AudioServer::get_singleton()->lock();
stop();
AudioServer::get_singleton()->unlock();
}
AudioServer::get_singleton()->lock();
playback->play();
AudioServer::get_singleton()->unlock();
}
void EventPlayer::stop() {
if (!is_inside_tree())
return;
if (playback.is_null())
return;
AudioServer::get_singleton()->lock();
playback->stop();
AudioServer::get_singleton()->unlock();
}
bool EventPlayer::is_playing() const {
if (playback.is_null())
return false;
return playback->is_playing();
}
void EventPlayer::set_loop(bool p_enable) {
loops = p_enable;
if (playback.is_null())
return;
playback->set_loop(loops);
}
bool EventPlayer::has_loop() const {
return loops;
}
void EventPlayer::set_volume(float p_volume) {
volume = p_volume;
if (playback.is_valid())
playback->set_volume(volume);
}
float EventPlayer::get_volume() const {
return volume;
}
void EventPlayer::set_volume_db(float p_db) {
if (p_db < -79)
set_volume(0);
else
set_volume(Math::db2linear(p_db));
}
float EventPlayer::get_volume_db() const {
if (volume == 0)
return -80;
else
return Math::linear2db(volume);
}
void EventPlayer::set_pitch_scale(float p_pitch_scale) {
pitch_scale = p_pitch_scale;
if (playback.is_valid())
playback->set_pitch_scale(pitch_scale);
}
float EventPlayer::get_pitch_scale() const {
return pitch_scale;
}
void EventPlayer::set_tempo_scale(float p_tempo_scale) {
tempo_scale = p_tempo_scale;
if (playback.is_valid())
playback->set_tempo_scale(tempo_scale);
}
float EventPlayer::get_tempo_scale() const {
return tempo_scale;
}
String EventPlayer::get_stream_name() const {
if (stream.is_null())
return "<No Stream>";
return stream->get_name();
}
int EventPlayer::get_loop_count() const {
if (playback.is_null())
return 0;
return playback->get_loop_count();
}
float EventPlayer::get_pos() const {
if (playback.is_null())
return 0;
return playback->get_pos();
}
float EventPlayer::get_length() const {
if (stream.is_null())
return 0;
return stream->get_length();
}
void EventPlayer::seek_pos(float p_time) {
if (playback.is_null())
return;
return playback->seek_pos(p_time);
}
void EventPlayer::set_autoplay(bool p_enable) {
autoplay = p_enable;
}
bool EventPlayer::has_autoplay() const {
return autoplay;
}
void EventPlayer::set_paused(bool p_paused) {
paused = p_paused;
if (playback.is_valid())
playback->set_paused(p_paused);
}
bool EventPlayer::is_paused() const {
return paused;
}
void EventPlayer::_set_play(bool p_play) {
_play = p_play;
if (is_inside_tree()) {
if (_play)
play();
else
stop();
}
}
bool EventPlayer::_get_play() const {
return _play;
}
void EventPlayer::set_channel_volume(int p_channel, float p_volume) {
ERR_FAIL_INDEX(p_channel, MAX_CHANNELS);
channel_volume[p_channel] = p_volume;
if (playback.is_valid())
playback->set_channel_volume(p_channel, p_volume);
}
float EventPlayer::get_channel_volume(int p_channel) const {
ERR_FAIL_INDEX_V(p_channel, MAX_CHANNELS, 0);
return channel_volume[p_channel];
}
float EventPlayer::get_channel_last_note_time(int p_channel) const {
if (playback.is_valid())
return playback->get_last_note_time(p_channel);
return 0;
}
void EventPlayer::_bind_methods() {
ObjectTypeDB::bind_method(_MD("set_stream", "stream:EventStream"), &EventPlayer::set_stream);
ObjectTypeDB::bind_method(_MD("get_stream:EventStream"), &EventPlayer::get_stream);
ObjectTypeDB::bind_method(_MD("play"), &EventPlayer::play);
ObjectTypeDB::bind_method(_MD("stop"), &EventPlayer::stop);
ObjectTypeDB::bind_method(_MD("is_playing"), &EventPlayer::is_playing);
ObjectTypeDB::bind_method(_MD("set_paused", "paused"), &EventPlayer::set_paused);
ObjectTypeDB::bind_method(_MD("is_paused"), &EventPlayer::is_paused);
ObjectTypeDB::bind_method(_MD("set_loop", "enabled"), &EventPlayer::set_loop);
ObjectTypeDB::bind_method(_MD("has_loop"), &EventPlayer::has_loop);
ObjectTypeDB::bind_method(_MD("set_volume", "volume"), &EventPlayer::set_volume);
ObjectTypeDB::bind_method(_MD("get_volume"), &EventPlayer::get_volume);
ObjectTypeDB::bind_method(_MD("set_pitch_scale", "pitch_scale"), &EventPlayer::set_pitch_scale);
ObjectTypeDB::bind_method(_MD("get_pitch_scale"), &EventPlayer::get_pitch_scale);
ObjectTypeDB::bind_method(_MD("set_tempo_scale", "tempo_scale"), &EventPlayer::set_tempo_scale);
ObjectTypeDB::bind_method(_MD("get_tempo_scale"), &EventPlayer::get_tempo_scale);
ObjectTypeDB::bind_method(_MD("set_volume_db", "db"), &EventPlayer::set_volume_db);
ObjectTypeDB::bind_method(_MD("get_volume_db"), &EventPlayer::get_volume_db);
ObjectTypeDB::bind_method(_MD("get_stream_name"), &EventPlayer::get_stream_name);
ObjectTypeDB::bind_method(_MD("get_loop_count"), &EventPlayer::get_loop_count);
ObjectTypeDB::bind_method(_MD("get_pos"), &EventPlayer::get_pos);
ObjectTypeDB::bind_method(_MD("seek_pos", "time"), &EventPlayer::seek_pos);
ObjectTypeDB::bind_method(_MD("get_length"), &EventPlayer::get_length);
ObjectTypeDB::bind_method(_MD("set_autoplay", "enabled"), &EventPlayer::set_autoplay);
ObjectTypeDB::bind_method(_MD("has_autoplay"), &EventPlayer::has_autoplay);
ObjectTypeDB::bind_method(_MD("set_channel_volume", "channel", "channel_volume"), &EventPlayer::set_channel_volume);
ObjectTypeDB::bind_method(_MD("get_channel_volume", "channel"), &EventPlayer::get_channel_volume);
ObjectTypeDB::bind_method(_MD("get_channel_last_note_time", "channel"), &EventPlayer::get_channel_last_note_time);
ObjectTypeDB::bind_method(_MD("_set_play", "play"), &EventPlayer::_set_play);
ObjectTypeDB::bind_method(_MD("_get_play"), &EventPlayer::_get_play);
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "stream/stream", PROPERTY_HINT_RESOURCE_TYPE, "EventStream"), _SCS("set_stream"), _SCS("get_stream"));
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "stream/play"), _SCS("_set_play"), _SCS("_get_play"));
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "stream/loop"), _SCS("set_loop"), _SCS("has_loop"));
ADD_PROPERTY(PropertyInfo(Variant::REAL, "stream/volume_db", PROPERTY_HINT_RANGE, "-80,24,0.01"), _SCS("set_volume_db"), _SCS("get_volume_db"));
ADD_PROPERTY(PropertyInfo(Variant::REAL, "stream/pitch_scale", PROPERTY_HINT_RANGE, "0.001,16,0.001"), _SCS("set_pitch_scale"), _SCS("get_pitch_scale"));
ADD_PROPERTY(PropertyInfo(Variant::REAL, "stream/tempo_scale", PROPERTY_HINT_RANGE, "0.001,16,0.001"), _SCS("set_tempo_scale"), _SCS("get_tempo_scale"));
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "stream/autoplay"), _SCS("set_autoplay"), _SCS("has_autoplay"));
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "stream/paused"), _SCS("set_paused"), _SCS("is_paused"));
}
EventPlayer::EventPlayer() {
volume = 1;
loops = false;
paused = false;
autoplay = false;
_play = false;
pitch_scale = 1.0;
tempo_scale = 1.0;
for (int i = 0; i < MAX_CHANNELS; i++)
channel_volume[i] = 1.0;
}
EventPlayer::~EventPlayer() {
}
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