/*
 * WorldEdit, a Minecraft world manipulation toolkit
 * Copyright (C) sk89q <http://www.sk89q.com>
 * Copyright (C) WorldEdit team and contributors
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

package com.sk89q.worldedit.internal.util;

public class BiomeMath {

    //FAWE - Removed because it's unneeded, and it would require effort to have it work with worlds of differing heights across
    // different game versions

//    // From BiomeArray / BiomeContainer
//    public static final int HORIZONTAL_SECTION_COUNT = (int) Math.round(Math.log(16.0D) / Math.log(2.0D)) - 2;
//    public static final int VERTICAL_SECTION_COUNT = (int) Math.round(Math.log(256.0D) / Math.log(2.0D)) - 2;
//    public static final int HORIZONTAL_BIT_MASK = (1 << HORIZONTAL_SECTION_COUNT) - 1;
//    public static final int VERTICAL_BIT_MASK = (1 << VERTICAL_SECTION_COUNT) - 1;
//
//    private BiomeMath() {
//    }
//
//    /**
//     * Compute the index into the MC biome array, for non-extended-height worlds.
//     *
//     * @param x the block x coordinate
//     * @param y the block y coordinate
//     * @param z the block z coordinate
//     * @return the index into the standard MC biome array
//     */
//    public static int computeBiomeIndex(int x, int y, int z) {
//        int l = (x >> 2) & HORIZONTAL_BIT_MASK;
//        int m = MathHelper.clamp(y >> 2, 0, VERTICAL_BIT_MASK);
//        int n = (z >> 2) & HORIZONTAL_BIT_MASK;
//        return m << HORIZONTAL_SECTION_COUNT + HORIZONTAL_SECTION_COUNT
//                | n << HORIZONTAL_SECTION_COUNT
//                | l;
//    }
//
//    /**
//     * Compute the index into the MC biome array, for extended-height worlds.
//     *
//     * @param x    the block x coordinate
//     * @param y    the block y coordinate
//     * @param z    the block z coordinate
//     * @param minY minimum y of the world
//     * @param maxY maximum y of the world
//     * @return the index into the standard MC biome array
//     */
//    public static int computeBiomeIndex(int x, int y, int z, int minY, int maxY) {
//        int l = (x >> 2) & HORIZONTAL_BIT_MASK;
//        int m = MathHelper.clamp((y >> 2) - minY, 0, maxY);
//        int n = (z >> 2) & HORIZONTAL_BIT_MASK;
//        return m << HORIZONTAL_SECTION_COUNT + HORIZONTAL_SECTION_COUNT
//                | n << HORIZONTAL_SECTION_COUNT
//                | l;
//    }

}
