67 lines
1.9 KiB
Java
67 lines
1.9 KiB
Java
/*
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* Decompiled with CFR 0.152.
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*/
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package net.minecraft.util;
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import net.minecraft.core.Direction;
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public class SegmentedAnglePrecision {
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private final int mask;
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private final int precision;
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private final float degreeToAngle;
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private final float angleToDegree;
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public SegmentedAnglePrecision(int bitPrecision) {
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if (bitPrecision < 2) {
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throw new IllegalArgumentException("Precision cannot be less than 2 bits");
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}
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if (bitPrecision > 30) {
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throw new IllegalArgumentException("Precision cannot be greater than 30 bits");
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}
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int twoPi = 1 << bitPrecision;
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this.mask = twoPi - 1;
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this.precision = bitPrecision;
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this.degreeToAngle = (float)twoPi / 360.0f;
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this.angleToDegree = 360.0f / (float)twoPi;
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}
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public boolean isSameAxis(int binaryAngleA, int binaryAngleB) {
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int semicircleMask = this.getMask() >> 1;
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return (binaryAngleA & semicircleMask) == (binaryAngleB & semicircleMask);
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}
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public int fromDirection(Direction direction) {
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if (direction.getAxis().isVertical()) {
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return 0;
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}
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int segmentedAngle2bit = direction.get2DDataValue();
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return segmentedAngle2bit << this.precision - 2;
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}
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public int fromDegreesWithTurns(float degrees) {
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return Math.round(degrees * this.degreeToAngle);
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}
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public int fromDegrees(float degrees) {
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return this.normalize(this.fromDegreesWithTurns(degrees));
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}
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public float toDegreesWithTurns(int binaryAngle) {
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return (float)binaryAngle * this.angleToDegree;
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}
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public float toDegrees(int binaryAngle) {
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float degrees = this.toDegreesWithTurns(this.normalize(binaryAngle));
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return degrees >= 180.0f ? degrees - 360.0f : degrees;
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}
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public int normalize(int binaryAngle) {
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return binaryAngle & this.mask;
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}
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public int getMask() {
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return this.mask;
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}
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}
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