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/*************************************************************************/
/*  sound_player_2d.cpp                                                  */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2017 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 "sound_player_2d.h"

#include "servers/audio_server.h"

#include "scene/resources/surface_tool.h"
#include "servers/spatial_sound_2d_server.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() {
}