godot/scene/2d/sound_player_2d.cpp

/*************************************************************************/
/*  sound_player_2d.cpp                                                  */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                 */
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/* distribute, sublicense, and/or sell copies of the Software, and to    */
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/* the following conditions:                                             */
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/* The above copyright notice and this permission notice shall be        */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
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#include "sound_player_2d.h"

#include "servers/audio_server.h"

#include "servers/spatial_sound_2d_server.h"
#include "scene/resources/surface_tool.h"


void SoundPlayer2D::_notification(int p_what) {


	switch(p_what) {

		case NOTIFICATION_ENTER_TREE: {
			//find the sound space

			source_rid = SpatialSound2DServer::get_singleton()->source_create(get_world_2d()->get_sound_space());

			for(int i=0;i<PARAM_MAX;i++)
				set_param(Param(i),params[i]);

			SpatialSound2DServer::get_singleton()->source_set_transform(source_rid,get_global_transform());


		} break;
		case NOTIFICATION_TRANSFORM_CHANGED: {

			SpatialSound2DServer::get_singleton()->source_set_transform(source_rid,get_global_transform());

		} break;
		case NOTIFICATION_EXIT_TREE: {

			if (source_rid.is_valid())
				SpatialSound2DServer::get_singleton()->free(source_rid);

		} break;
	}

}


void SoundPlayer2D::set_param( Param p_param, float p_value) {

	ERR_FAIL_INDEX(p_param,PARAM_MAX);
	params[p_param]=p_value;
	if (source_rid.is_valid())
		SpatialSound2DServer::get_singleton()->source_set_param(source_rid,(SpatialSound2DServer::SourceParam)p_param,p_value);

}

float SoundPlayer2D::get_param( Param p_param) const {

	ERR_FAIL_INDEX_V(p_param,PARAM_MAX,0);
	return params[p_param];

}


void SoundPlayer2D::_bind_methods() {


	ObjectTypeDB::bind_method(_MD("set_param","param","value"),&SoundPlayer2D::set_param);
	ObjectTypeDB::bind_method(_MD("get_param","param"),&SoundPlayer2D::get_param);

	BIND_CONSTANT( PARAM_VOLUME_DB );
	BIND_CONSTANT( PARAM_PITCH_SCALE );
	BIND_CONSTANT( PARAM_ATTENUATION_MIN_DISTANCE );
	BIND_CONSTANT( PARAM_ATTENUATION_MAX_DISTANCE );
	BIND_CONSTANT( PARAM_ATTENUATION_DISTANCE_EXP );
	BIND_CONSTANT( PARAM_MAX );

	ADD_PROPERTYI( PropertyInfo( Variant::REAL, "params/volume_db",PROPERTY_HINT_RANGE, "-80,24,0.01"),_SCS("set_param"),_SCS("get_param"),PARAM_VOLUME_DB);
	ADD_PROPERTYI( PropertyInfo( Variant::REAL, "params/pitch_scale",PROPERTY_HINT_RANGE, "0.001,32,0.001"),_SCS("set_param"),_SCS("get_param"),PARAM_PITCH_SCALE);
	ADD_PROPERTYI( PropertyInfo( Variant::REAL, "params/attenuation/min_distance",PROPERTY_HINT_EXP_RANGE, "16,16384,1"),_SCS("set_param"),_SCS("get_param"),PARAM_ATTENUATION_MIN_DISTANCE);
	ADD_PROPERTYI( PropertyInfo( Variant::REAL, "params/attenuation/max_distance",PROPERTY_HINT_EXP_RANGE, "16,16384,1"),_SCS("set_param"),_SCS("get_param"),PARAM_ATTENUATION_MAX_DISTANCE);
	ADD_PROPERTYI( PropertyInfo( Variant::REAL, "params/attenuation/distance_exp",PROPERTY_HINT_EXP_EASING, "attenuation"),_SCS("set_param"),_SCS("get_param"),PARAM_ATTENUATION_DISTANCE_EXP);

}


SoundPlayer2D::SoundPlayer2D() {

	params[PARAM_VOLUME_DB]=0.0;
	params[PARAM_PITCH_SCALE]=1.0;
	params[PARAM_ATTENUATION_MIN_DISTANCE]=1;
	params[PARAM_ATTENUATION_MAX_DISTANCE]=2048;
	params[PARAM_ATTENUATION_DISTANCE_EXP]=1.0; //linear (and not really good)


}

SoundPlayer2D::~SoundPlayer2D() {


}