godot/scene/2d/sample_player_2d.cpp
2015-04-18 14:38:54 -03:00

254 lines
7.9 KiB
C++

/*************************************************************************/
/* sample_player_2d.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 "sample_player_2d.h"
#include "servers/audio_server.h"
#include "servers/audio_server.h"
#include "servers/spatial_sound_server.h"
bool SamplePlayer2D::_set(const StringName& p_name, const Variant& p_value) {
String name=p_name;
if (name=="play/play") {
if (library.is_valid()) {
String what=p_value;
if (what=="")
stop_all();
else
play(what);
played_back=what;
}
} else
return false;
return true;
}
bool SamplePlayer2D::_get(const StringName& p_name,Variant &r_ret) const {
String name=p_name;
if (name=="play/play") {
r_ret=played_back;
} else
return false;
return true;
}
void SamplePlayer2D::_get_property_list(List<PropertyInfo> *p_list) const {
String en="";
if (library.is_valid()) {
List<StringName> samples;
Ref<SampleLibrary> ncl=library;
ncl->get_sample_list(&samples);
for (List<StringName>::Element *E=samples.front();E;E=E->next()) {
en+=",";
en+=E->get();
}
}
p_list->push_back( PropertyInfo( Variant::STRING, "play/play", PROPERTY_HINT_ENUM, en,PROPERTY_USAGE_EDITOR));
}
void SamplePlayer2D::_notification(int p_what) {
switch(p_what) {
case NOTIFICATION_ENTER_TREE: {
SpatialSound2DServer::get_singleton()->source_set_polyphony(get_source_rid(),polyphony);
} break;
}
}
void SamplePlayer2D::set_sample_library(const Ref<SampleLibrary>& p_library) {
library=p_library;
_change_notify();
}
Ref<SampleLibrary> SamplePlayer2D::get_sample_library() const {
return library;
}
void SamplePlayer2D::set_polyphony(int p_voice_count) {
ERR_FAIL_COND(p_voice_count<0 || p_voice_count>64);
polyphony=p_voice_count;
if (get_source_rid().is_valid())
SpatialSound2DServer::get_singleton()->source_set_polyphony(get_source_rid(),polyphony);
}
int SamplePlayer2D::get_polyphony() const {
return polyphony;
}
SamplePlayer2D::VoiceID SamplePlayer2D::play(const String& p_sample,int p_voice) {
if (!get_source_rid().is_valid())
return INVALID_VOICE;
if (library.is_null())
return INVALID_VOICE;
if (!library->has_sample(p_sample))
return INVALID_VOICE;
Ref<Sample> sample = library->get_sample(p_sample);
float vol_change = library->sample_get_volume_db(p_sample);
float pitch_change = library->sample_get_pitch_scale(p_sample);
VoiceID vid = SpatialSound2DServer::get_singleton()->source_play_sample(get_source_rid(),sample->get_rid(),sample->get_mix_rate()*pitch_change,p_voice);
if (vol_change)
SpatialSound2DServer::get_singleton()->source_voice_set_volume_scale_db(get_source_rid(),vid,vol_change);
if (random_pitch_scale) {
float ps = Math::random(-random_pitch_scale,random_pitch_scale);
if (ps>0)
ps=1.0+ps;
else
ps=1.0/(1.0-ps);
SpatialSound2DServer::get_singleton()->source_voice_set_pitch_scale(get_source_rid(),vid,ps*pitch_change);
}
return vid;
}
//voices
void SamplePlayer2D::voice_set_pitch_scale(VoiceID p_voice, float p_pitch_scale) {
if (!get_source_rid().is_valid())
return;
SpatialSound2DServer::get_singleton()->source_voice_set_pitch_scale(get_source_rid(),p_voice,p_pitch_scale);
}
void SamplePlayer2D::voice_set_volume_scale_db(VoiceID p_voice, float p_volume_db) {
if (!get_source_rid().is_valid())
return;
SpatialSound2DServer::get_singleton()->source_voice_set_volume_scale_db(get_source_rid(),p_voice,p_volume_db);
}
bool SamplePlayer2D::is_voice_active(VoiceID p_voice) const {
if (!get_source_rid().is_valid())
return false;
return SpatialSound2DServer::get_singleton()->source_is_voice_active(get_source_rid(),p_voice);
}
void SamplePlayer2D::stop_voice(VoiceID p_voice) {
if (!get_source_rid().is_valid())
return;
SpatialSound2DServer::get_singleton()->source_stop_voice(get_source_rid(),p_voice);
}
void SamplePlayer2D::stop_all() {
if (!get_source_rid().is_valid())
return;
for(int i=0;i<polyphony;i++) {
SpatialSound2DServer::get_singleton()->source_stop_voice(get_source_rid(),i);
}
}
void SamplePlayer2D::set_random_pitch_scale(float p_scale) {
random_pitch_scale=p_scale;
}
float SamplePlayer2D::get_random_pitch_scale() const {
return random_pitch_scale;
}
void SamplePlayer2D::_bind_methods() {
ObjectTypeDB::bind_method(_MD("set_sample_library","library:SampleLibrary"),&SamplePlayer2D::set_sample_library);
ObjectTypeDB::bind_method(_MD("get_sample_library:SampleLibrary"),&SamplePlayer2D::get_sample_library);
ObjectTypeDB::bind_method(_MD("set_polyphony","voices"),&SamplePlayer2D::set_polyphony);
ObjectTypeDB::bind_method(_MD("get_polyphony"),&SamplePlayer2D::get_polyphony);
ObjectTypeDB::bind_method(_MD("play","sample","voice"),&SamplePlayer2D::play,DEFVAL(NEXT_VOICE));
//voices,DEV
ObjectTypeDB::bind_method(_MD("voice_set_pitch_scale","voice","ratio"),&SamplePlayer2D::voice_set_pitch_scale);
ObjectTypeDB::bind_method(_MD("voice_set_volume_scale_db","voice","db"),&SamplePlayer2D::voice_set_volume_scale_db);
ObjectTypeDB::bind_method(_MD("is_voice_active","voice"),&SamplePlayer2D::is_voice_active);
ObjectTypeDB::bind_method(_MD("stop_voice","voice"),&SamplePlayer2D::stop_voice);
ObjectTypeDB::bind_method(_MD("stop_all"),&SamplePlayer2D::stop_all);
ObjectTypeDB::bind_method(_MD("set_random_pitch_scale","val"),&SamplePlayer2D::set_random_pitch_scale);
ObjectTypeDB::bind_method(_MD("get_random_pitch_scale"),&SamplePlayer2D::get_random_pitch_scale);
BIND_CONSTANT( INVALID_VOICE );
BIND_CONSTANT( NEXT_VOICE );
ADD_PROPERTY( PropertyInfo( Variant::INT, "config/polyphony", PROPERTY_HINT_RANGE, "1,64,1"),_SCS("set_polyphony"),_SCS("get_polyphony"));
ADD_PROPERTY( PropertyInfo( Variant::OBJECT, "config/samples", PROPERTY_HINT_RESOURCE_TYPE,"SampleLibrary"),_SCS("set_sample_library"),_SCS("get_sample_library"));
ADD_PROPERTY( PropertyInfo( Variant::REAL, "config/pitch_random", PROPERTY_HINT_RESOURCE_TYPE,"SampleLibrary"),_SCS("set_random_pitch_scale"),_SCS("get_random_pitch_scale"));
}
SamplePlayer2D::SamplePlayer2D() {
polyphony=1;
random_pitch_scale=0;
}
SamplePlayer2D::~SamplePlayer2D() {
}