Geyser/connector/src/main/java/org/geysermc/connector/utils/MathUtils.java

89 lines
3.0 KiB
Java

/*
* Copyright (c) 2019-2020 GeyserMC. http://geysermc.org
*
* 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.
*
* @author GeyserMC
* @link https://github.com/GeyserMC/Geyser
*/
package org.geysermc.connector.utils;
public class MathUtils {
public static final double SQRT_OF_TWO = Math.sqrt(2);
/**
* Round the given float to the next whole number
*
* @param floatNumber Float to round
* @return Rounded number
*/
public static int ceil(float floatNumber) {
int truncated = (int) floatNumber;
return floatNumber > truncated ? truncated + 1 : truncated;
}
/**
* If number is greater than the max, set it to max, and if number is lower than low, set it to low.
* @param num number to calculate
* @param min the lowest value the number can be
* @param max the greatest value the number can be
* @return - min if num is lower than min <br>
* - max if num is greater than max <br>
* - num otherwise
*/
public static double constrain(double num, double min, double max) {
if (num > max) {
num = max;
}
if (num < min) {
num = min;
}
return num;
}
/**
* Converts the given object from an int or byte to byte.
* This is used for NBT data that might be either an int
* or byte and bedrock only takes it as an byte
*
* @param value The value to convert
* @return The converted byte
*/
public static Byte convertByte(Object value) {
if (value instanceof Integer) {
return ((Integer) value).byteValue();
}
return (Byte) value;
}
/**
* Packs a chunk's X and Z coordinates into a single {@code long}.
*
* @param x the X coordinate
* @param z the Z coordinate
* @return the packed coordinates
*/
public static long chunkPositionToLong(int x, int z) {
return ((x & 0xFFFFFFFFL) << 32L) | (z & 0xFFFFFFFFL);
}
}