MinecraftMods/BCLib
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Frank 2022-05-18 23:56:23 +02:00
parent cb9459f176
commit 3ee10482ab
721 changed files with 34873 additions and 33558 deletions
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src/main/java/org/betterx/bclib/util/MHelper.java Normal file
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package org.betterx.bclib.util;
import net.minecraft.core.Vec3i;
import net.minecraft.util.RandomSource;
import net.minecraft.world.level.levelgen.LegacyRandomSource;
import com.mojang.math.Vector3f;
import java.util.Random;
public class MHelper {
private static final Vec3i[] RANDOM_OFFSETS = new Vec3i[3 * 3 * 3 - 1];
private static final float RAD_TO_DEG = 57.295779513082320876798154814105F;
public static final float PHI = (float) (Math.PI * (3 - Math.sqrt(5)));
public static final float PI2 = (float) (Math.PI * 2);
public static final Random RANDOM = new Random();
public static final RandomSource RANDOM_SOURCE = new LegacyRandomSource(RANDOM.nextLong());
public static int randRange(int min, int max, RandomSource random) {
return min + random.nextInt(max - min + 1);
}
public static double randRange(double min, double max, RandomSource random) {
return min + random.nextDouble() * (max - min);
}
public static float randRange(float min, float max, RandomSource random) {
return min + random.nextFloat() * (max - min);
}
public static byte setBit(byte source, int pos, boolean value) {
return value ? setBitTrue(source, pos) : setBitFalse(source, pos);
}
public static byte setBitTrue(byte source, int pos) {
source |= 1 << pos;
return source;
}
public static byte setBitFalse(byte source, int pos) {
source &= ~(1 << pos);
return source;
}
public static boolean getBit(byte source, int pos) {
return ((source >> pos) & 1) == 1;
}
public static float wrap(float x, float side) {
return x - floor(x / side) * side;
}
public static int floor(double x) {
return x < 0 ? (int) (x - 1) : (int) x;
}
public static int min(int a, int b) {
return a < b ? a : b;
}
public static int min(int a, int b, int c) {
return min(a, min(b, c));
}
public static int max(int a, int b) {
return a > b ? a : b;
}
public static float min(float a, float b) {
return a < b ? a : b;
}
public static float max(float a, float b) {
return a > b ? a : b;
}
public static float max(float a, float b, float c) {
return max(a, max(b, c));
}
public static int max(int a, int b, int c) {
return max(a, max(b, c));
}
public static boolean isEven(int num) {
return (num & 1) == 0;
}
public static float lengthSqr(float x, float y, float z) {
return x * x + y * y + z * z;
}
public static double lengthSqr(double x, double y, double z) {
return x * x + y * y + z * z;
}
public static float length(float x, float y, float z) {
return (float) Math.sqrt(lengthSqr(x, y, z));
}
public static double length(double x, double y, double z) {
return Math.sqrt(lengthSqr(x, y, z));
}
public static float lengthSqr(float x, float y) {
return x * x + y * y;
}
public static double lengthSqr(double x, double y) {
return x * x + y * y;
}
public static float length(float x, float y) {
return (float) Math.sqrt(lengthSqr(x, y));
}
public static double length(double x, double y) {
return Math.sqrt(lengthSqr(x, y));
}
public static float dot(float x1, float y1, float z1, float x2, float y2, float z2) {
return x1 * x2 + y1 * y2 + z1 * z2;
}
public static float dot(float x1, float y1, float x2, float y2) {
return x1 * x2 + y1 * y2;
}
public static int getRandom(int x, int z) {
int h = x * 374761393 + z * 668265263;
h = (h ^ (h >> 13)) * 1274126177;
return h ^ (h >> 16);
}
public static int getSeed(int seed, int x, int y) {
int h = seed + x * 374761393 + y * 668265263;
h = (h ^ (h >> 13)) * 1274126177;
return h ^ (h >> 16);
}
public static int getSeed(int seed, int x, int y, int z) {
int h = seed + x * 374761393 + y * 668265263 + z;
h = (h ^ (h >> 13)) * 1274126177;
return h ^ (h >> 16);
}
public static <T> void shuffle(T[] array, RandomSource random) {
for (int i = 0; i < array.length; i++) {
int i2 = random.nextInt(array.length);
T element = array[i];
array[i] = array[i2];
array[i2] = element;
}
}
public static int sqr(int i) {
return i * i;
}
public static float sqr(float f) {
return f * f;
}
public static double sqr(double d) {
return d * d;
}
public static final float radiansToDegrees(float value) {
return value * RAD_TO_DEG;
}
public static final float degreesToRadians(float value) {
return value / RAD_TO_DEG;
}
public static Vector3f cross(Vector3f vec1, Vector3f vec2) {
float cx = vec1.y() * vec2.z() - vec1.z() * vec2.y();
float cy = vec1.z() * vec2.x() - vec1.x() * vec2.z();
float cz = vec1.x() * vec2.y() - vec1.y() * vec2.x();
return new Vector3f(cx, cy, cz);
}
public static Vector3f normalize(Vector3f vec) {
float length = lengthSqr(vec.x(), vec.y(), vec.z());
if (length > 0) {
length = (float) Math.sqrt(length);
float x = vec.x() / length;
float y = vec.y() / length;
float z = vec.z() / length;
vec.set(x, y, z);
}
return vec;
}
public static float angle(Vector3f vec1, Vector3f vec2) {
float dot = vec1.x() * vec2.x() + vec1.y() * vec2.y() + vec1.z() * vec2.z();
float length1 = lengthSqr(vec1.x(), vec1.y(), vec1.z());
float length2 = lengthSqr(vec2.x(), vec2.y(), vec2.z());
return (float) Math.acos(dot / Math.sqrt(length1 * length2));
}
public static Vector3f randomHorizontal(RandomSource random) {
float angleY = randRange(0, PI2, random);
float vx = (float) Math.sin(angleY);
float vz = (float) Math.cos(angleY);
return new Vector3f(vx, 0, vz);
}
public static Vec3i[] getOffsets(RandomSource random) {
shuffle(RANDOM_OFFSETS, random);
return RANDOM_OFFSETS;
}
static {
int index = 0;
for (int x = -1; x <= 1; x++) {
for (int y = -1; y <= 1; y++) {
for (int z = -1; z <= 1; z++) {
if (x != 0 || y != 0 || z != 0) {
RANDOM_OFFSETS[index++] = new Vec3i(x, y, z);
}
}
}
}
}
}