/*************************************************************************/
/*  noise.cpp                                                            */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                    http://www.godotengine.org                         */
/*************************************************************************/
/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur.                 */
/* This file is (c) 2016 Marc Gilleron <moc.liamg@norellig.cram>         */
/*                                                                       */
/* 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:                                             */
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/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
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/* 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     */
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/*************************************************************************/

#include "noise.h"

const String FastNoise::BINDING_STRING_TYPE = "Value,Value Fractal,Perlin,Perlin Fractal,Simplex,Simplex Fractal,Cellular,White Noise,Cubic,Cubic Fractal";
const String FastNoise::BINDING_STRING_INTERPOLATION = "Linear,Quintic,Hermite";
const String FastNoise::BINDING_STRING_FRACTAL_TYPE = "FBM,Billow,Rigid Multi";
const String FastNoise::BINDING_STRING_CELLULAR_DISTANCE_FUNCTION = "Euclidean,Manhattan,Naural";
const String FastNoise::BINDING_STRING_CELLULAR_RETURN_TYPE = "Cell Value,Noise lookup,Distance,Distance 2,Distance 2 Add,Distance 2 Sub,Distance 2 Mul,Distance 2 Div";

FastNoise::FastNoise() :
		Reference() {
}

void FastNoise::set_cellular_noise_lookup(Ref<FastNoise> other_noise) {
	_cellular_lookup_ref = other_noise;

	if (_cellular_lookup_ref.is_null())
		_noise.SetCellularNoiseLookup(NULL);
	else
		_noise.SetCellularNoiseLookup(&_cellular_lookup_ref->_noise);
}

void FastNoise::set_cellular_distance_2_indices(int index0, int index1) {
	_noise.SetCellularDistance2Indices(index0, index1);
}

PoolIntArray FastNoise::get_cellular_distance_2_indices() const {
	int i0, i1;
	_noise.GetCellularDistance2Indices(i0, i1);
	PoolIntArray a;
	a.append(i0);
	a.append(i1);
	return a;
}

void FastNoise::_bind_methods() {
	ClassDB::bind_method(D_METHOD("set_seed", "seed"), &FastNoise::set_seed);
	ClassDB::bind_method(D_METHOD("get_seed"), &FastNoise::get_seed);

	ClassDB::bind_method(D_METHOD("set_noise_type", "type"), &FastNoise::set_noise_type);
	ClassDB::bind_method(D_METHOD("get_noise_type"), &FastNoise::get_noise_type);

	ClassDB::bind_method(D_METHOD("set_interpolation", "interp"), &FastNoise::set_interpolation);
	ClassDB::bind_method(D_METHOD("get_interpolation"), &FastNoise::get_interpolation);

	ClassDB::bind_method(D_METHOD("set_frequency", "freq"), &FastNoise::set_frequency);
	ClassDB::bind_method(D_METHOD("get_frequency"), &FastNoise::get_frequency);

	ClassDB::bind_method(D_METHOD("set_fractal_gain", "gain"), &FastNoise::set_fractal_gain);
	ClassDB::bind_method(D_METHOD("get_fractal_gain"), &FastNoise::get_fractal_gain);

	ClassDB::bind_method(D_METHOD("set_fractal_type", "type"), &FastNoise::set_fractal_type);
	ClassDB::bind_method(D_METHOD("get_fractal_type"), &FastNoise::get_fractal_type);

	ClassDB::bind_method(D_METHOD("set_fractal_octaves", "octave_count"), &FastNoise::set_fractal_octaves);
	ClassDB::bind_method(D_METHOD("get_fractal_octaves"), &FastNoise::get_fractal_octaves);

	ClassDB::bind_method(D_METHOD("set_fractal_lacunarity", "lacunarity"), &FastNoise::set_fractal_lacunarity);
	ClassDB::bind_method(D_METHOD("get_fractal_lacunarity"), &FastNoise::get_fractal_lacunarity);

	ClassDB::bind_method(D_METHOD("set_cellular_distance_function", "func"), &FastNoise::set_cellular_distance_function);
	ClassDB::bind_method(D_METHOD("get_cellular_distance_function"), &FastNoise::get_cellular_distance_function);

	ClassDB::bind_method(D_METHOD("set_cellular_return_type", "ret"), &FastNoise::set_cellular_return_type);
	ClassDB::bind_method(D_METHOD("get_cellular_return_type"), &FastNoise::get_cellular_return_type);

	ClassDB::bind_method(D_METHOD("set_cellular_noise_lookup", "other_noise"), &FastNoise::set_cellular_noise_lookup);
	ClassDB::bind_method(D_METHOD("get_cellular_noise_lookup"), &FastNoise::get_cellular_noise_lookup);

	ClassDB::bind_method(D_METHOD("set_cellular_distance_2_indices", "i0", "i1"), &FastNoise::set_cellular_distance_2_indices);
	ClassDB::bind_method(D_METHOD("get_cellular_distance_2_indices"), &FastNoise::get_cellular_distance_2_indices);

	ClassDB::bind_method(D_METHOD("set_cellular_jitter", "jitter"), &FastNoise::set_cellular_jitter);
	ClassDB::bind_method(D_METHOD("get_cellular_jitter"), &FastNoise::get_cellular_jitter);

	ClassDB::bind_method(D_METHOD("set_gradient_perturbation_amplitude", "amp"), &FastNoise::set_gradient_perturbation_amplitude);
	ClassDB::bind_method(D_METHOD("get_gradient_perturbation_amplitude"), &FastNoise::get_gradient_perturbation_amplitude);

	ClassDB::bind_method(D_METHOD("get_noise_2d", "x", "y"), &FastNoise::get_noise_2d);
	ClassDB::bind_method(D_METHOD("get_noise_2dv", "pos"), &FastNoise::get_noise_2dv);
	ClassDB::bind_method(D_METHOD("get_noise_3d", "x", "y", "z"), &FastNoise::get_noise_3d);
	ClassDB::bind_method(D_METHOD("get_noise_3dv", "pos"), &FastNoise::get_noise_3dv);
	ClassDB::bind_method(D_METHOD("get_simplex_4d", "x", "y", "z", "w"), &FastNoise::get_simplex_4d);
	ClassDB::bind_method(D_METHOD("get_white_noise_4d", "x", "y", "z", "w"), &FastNoise::get_white_noise_4d);
	// TODO Bind intermediary functions?

	BIND_ENUM_CONSTANT(TYPE_VALUE);
	BIND_ENUM_CONSTANT(TYPE_VALUE_FRACTAL);
	BIND_ENUM_CONSTANT(TYPE_PERLIN);
	BIND_ENUM_CONSTANT(TYPE_PERLIN_FRACTAL);
	BIND_ENUM_CONSTANT(TYPE_SIMPLEX);
	BIND_ENUM_CONSTANT(TYPE_SIMPLEX_FRACTAL);
	BIND_ENUM_CONSTANT(TYPE_CELLULAR);
	BIND_ENUM_CONSTANT(TYPE_WHITE_NOISE);
	BIND_ENUM_CONSTANT(TYPE_CUBIC);
	BIND_ENUM_CONSTANT(TYPE_CUBIC_FRACTAL);

	BIND_ENUM_CONSTANT(INTERP_LINEAR);
	BIND_ENUM_CONSTANT(INTERP_QUINTIC);
	BIND_ENUM_CONSTANT(INTERP_HERMITE);

	BIND_ENUM_CONSTANT(FRACTAL_FBM);
	BIND_ENUM_CONSTANT(FRACTAL_BILLOW);
	BIND_ENUM_CONSTANT(FRACTAL_RIGID_MULTI);

	BIND_ENUM_CONSTANT(DISTANCE_EUCLIDEAN);
	BIND_ENUM_CONSTANT(DISTANCE_MANHATTAN);
	BIND_ENUM_CONSTANT(DISTANCE_NATURAL);

	BIND_ENUM_CONSTANT(RETURN_CELL_VALUE);
	BIND_ENUM_CONSTANT(RETURN_NOISE_LOOKUP);
	BIND_ENUM_CONSTANT(RETURN_DISTANCE);
	BIND_ENUM_CONSTANT(RETURN_DISTANCE_2);
	BIND_ENUM_CONSTANT(RETURN_DISTANCE_2_ADD);
	BIND_ENUM_CONSTANT(RETURN_DISTANCE_2_SUB);
	BIND_ENUM_CONSTANT(RETURN_DISTANCE_2_MUL);
	BIND_ENUM_CONSTANT(RETURN_DISTANCE_2_DIV);
}