Code/net/minecraft/util/SegmentedAnglePrecision.java

package net.minecraft.util;

import net.minecraft.core.Direction;

public class SegmentedAnglePrecision {
    private final int mask;
    private final int precision;
    private final float degreeToAngle;
    private final float angleToDegree;

    public SegmentedAnglePrecision(int p_265275_) {
        if (p_265275_ < 2) {
            throw new IllegalArgumentException("Precision cannot be less than 2 bits");
        } else if (p_265275_ > 30) {
            throw new IllegalArgumentException("Precision cannot be greater than 30 bits");
        } else {
            int i = 1 << p_265275_;
            this.mask = i - 1;
            this.precision = p_265275_;
            this.degreeToAngle = i / 360.0F;
            this.angleToDegree = 360.0F / i;
        }
    }

    public boolean isSameAxis(int p_265505_, int p_265708_) {
        int i = this.getMask() >> 1;
        return (p_265505_ & i) == (p_265708_ & i);
    }

    public int fromDirection(Direction p_265731_) {
        if (p_265731_.getAxis().isVertical()) {
            return 0;
        } else {
            int i = p_265731_.get2DDataValue();
            return i << this.precision - 2;
        }
    }

    public int fromDegreesWithTurns(float p_265346_) {
        return Math.round(p_265346_ * this.degreeToAngle);
    }

    public int fromDegrees(float p_265688_) {
        return this.normalize(this.fromDegreesWithTurns(p_265688_));
    }

    public float toDegreesWithTurns(int p_265278_) {
        return p_265278_ * this.angleToDegree;
    }

    public float toDegrees(int p_265623_) {
        float f = this.toDegreesWithTurns(this.normalize(p_265623_));
        return f >= 180.0F ? f - 360.0F : f;
    }

    public int normalize(int p_265542_) {
        return p_265542_ & this.mask;
    }

    public int getMask() {
        return this.mask;
    }
}