Package net.minecraft.util

Class MathHelper

  • public class MathHelper
extends java.lang.Object
    + This portion of EaglercraftX contains deobfuscated Minecraft 1.8 source code. Minecraft 1.8.8 bytecode is (c) 2015 Mojang AB. "Do not distribute!" Mod Coder Pack v9.18 deobfuscation configs are (c) Copyright by the MCP Team EaglercraftX 1.8 patch files are (c) 2022-2023 LAX1DUDE. All Rights Reserved. WITH THE EXCEPTION OF PATCH FILES, MINIFIED JAVASCRIPT, AND ALL FILES NORMALLY FOUND IN AN UNMODIFIED MINECRAFT RESOURCE PACK, YOU ARE NOT ALLOWED TO SHARE, DISTRIBUTE, OR REPURPOSE ANY FILE USED BY OR PRODUCED BY THE SOFTWARE IN THIS REPOSITORY WITHOUT PRIOR PERMISSION FROM THE PROJECT AUTHOR. NOT FOR COMMERCIAL OR MALICIOUS USE (please read the 'LICENSE' file this repo's root directory for more info)

    • Field Summary

      Fields 
      Modifier and Type Field Description
      static float SQRT_2  

    • Constructor Summary

      Constructors 
      Constructor Description
      MathHelper()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static float abs​(float value)  
      static int abs_int​(int value)
      + Returns the unsigned value of an int.
      static double abs_max​(double parDouble1, double parDouble2)
      + Maximum of the absolute value of two numbers.
      static double average​(long[] values)  
      static int bucketInt​(int parInt1, int parInt2)
      + Buckets an integer with specifed bucket sizes.
      static int calculateLogBaseTwo​(int value)
      + Efficiently calculates the floor of the base-2 log of an integer value.
      static int ceiling_double_int​(double value)  
      static int ceiling_float_int​(float value)  
      static double clamp_double​(double num, double min, double max)  
      static float clamp_float​(float num, float min, float max)
      + Returns the value of the first parameter, clamped to be within the lower and upper limits given by the second and third parameters
      static int clamp_int​(int num, int min, int max)
      + Returns the value of the first parameter, clamped to be within the lower and upper limits given by the second and third parameters.
      static float cos​(float value)
      + cos looked up in the sin table with the appropriate offset
      static double denormalizeClamp​(double parDouble1, double parDouble2, double parDouble3)  
      static boolean epsilonEquals​(float parFloat1, float parFloat2)  
      static int floor_double​(double value)
      + Returns the greatest integer less than or equal to the double argument
      static long floor_double_long​(double value)
      + Long version of floor_double
      static int floor_float​(float value)
      + Returns the greatest integer less than or equal to the float argument
      static int func_154353_e​(double value)  
      static int func_154354_b​(int parInt1, int parInt2)  
      static int func_180181_b​(int parInt1, int parInt2, int parInt3)  
      static int func_180183_b​(float parFloat1, float parFloat2, float parFloat3)  
      static int func_180188_d​(int parInt1, int parInt2)  
      static double func_181159_b​(double parDouble1, double parDouble2)  
      static double func_181160_c​(double parDouble1, double parDouble2, double parDouble3)  
      static double func_181161_i​(double parDouble1)  
      static double func_181162_h​(double parDouble1)  
      static int func_181758_c​(float parFloat1, float parFloat2, float parFloat3)  
      static long getCoordinateRandom​(int x, int y, int z)  
      static long getPositionRandom​(Vec3i pos)  
      static double getRandomDoubleInRange​(EaglercraftRandom parRandom, double parDouble1, double parDouble2)  
      static int getRandomIntegerInRange​(EaglercraftRandom parRandom, int parInt1, int parInt2)  
      static EaglercraftUUID getRandomUuid​(EaglercraftRandom rand)  
      static int normalizeAngle​(int parInt1, int parInt2)  
      static double parseDoubleWithDefault​(java.lang.String parString1, double parDouble1)
      + parses the string as double or returns the second parameter if it fails.
      static double parseDoubleWithDefaultAndMax​(java.lang.String parString1, double parDouble1, double parDouble2)  
      static int parseIntWithDefault​(java.lang.String parString1, int parInt1)
      + parses the string as integer or returns the second parameter if it fails
      static int parseIntWithDefaultAndMax​(java.lang.String parString1, int parInt1, int parInt2)
      + parses the string as integer or returns the second parameter if it fails.
      static float randomFloatClamp​(EaglercraftRandom parRandom, float parFloat1, float parFloat2)  
      static int roundUpToPowerOfTwo​(int value)
      + Returns the input value rounded up to the next highest power of two.
      static float sin​(float parFloat1)
      + sin looked up in a table
      static float sqrt_double​(double value)  
      static float sqrt_float​(float value)  
      static int truncateDoubleToInt​(double value)
      + returns par0 cast as an int, and no greater than Integer.MAX_VALUE-1024
      static double wrapAngleTo180_double​(double value)
      + the angle is reduced to an angle between -180 and +180 by mod, and a 360 check
      static float wrapAngleTo180_float​(float value)
      + the angle is reduced to an angle between -180 and +180 by mod, and a 360 check

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Field Detail

      • SQRT_2

        public static final float SQRT_2

    • Constructor Detail

      • MathHelper

        public MathHelper()

    • Method Detail

      • sin

        public static float sin​(float parFloat1)
        + sin looked up in a table

      • cos

        public static float cos​(float value)
        + cos looked up in the sin table with the appropriate offset

      • sqrt_float

        public static float sqrt_float​(float value)

      • sqrt_double

        public static float sqrt_double​(double value)

      • floor_float

        public static int floor_float​(float value)
        + Returns the greatest integer less than or equal to the float argument

      • truncateDoubleToInt

        public static int truncateDoubleToInt​(double value)
        + returns par0 cast as an int, and no greater than Integer.MAX_VALUE-1024

      • floor_double

        public static int floor_double​(double value)
        + Returns the greatest integer less than or equal to the double argument

      • floor_double_long

        public static long floor_double_long​(double value)
        + Long version of floor_double

      • func_154353_e

        public static int func_154353_e​(double value)

      • abs

        public static float abs​(float value)

      • abs_int

        public static int abs_int​(int value)
        + Returns the unsigned value of an int.

      • ceiling_float_int

        public static int ceiling_float_int​(float value)

      • ceiling_double_int

        public static int ceiling_double_int​(double value)

      • clamp_int

        public static int clamp_int​(int num,
                            int min,
                            int max)
        + Returns the value of the first parameter, clamped to be within the lower and upper limits given by the second and third parameters.

      • clamp_float

        public static float clamp_float​(float num,
                                float min,
                                float max)
        + Returns the value of the first parameter, clamped to be within the lower and upper limits given by the second and third parameters

      • clamp_double

        public static double clamp_double​(double num,
                                  double min,
                                  double max)

      • denormalizeClamp

        public static double denormalizeClamp​(double parDouble1,
                                      double parDouble2,
                                      double parDouble3)

      • abs_max

        public static double abs_max​(double parDouble1,
                             double parDouble2)
        + Maximum of the absolute value of two numbers.

      • bucketInt

        public static int bucketInt​(int parInt1,
                            int parInt2)
        + Buckets an integer with specifed bucket sizes. Args: i, bucketSize

      • getRandomIntegerInRange

        public static int getRandomIntegerInRange​(EaglercraftRandom parRandom,
                                          int parInt1,
                                          int parInt2)

      • randomFloatClamp

        public static float randomFloatClamp​(EaglercraftRandom parRandom,
                                     float parFloat1,
                                     float parFloat2)

      • getRandomDoubleInRange

        public static double getRandomDoubleInRange​(EaglercraftRandom parRandom,
                                            double parDouble1,
                                            double parDouble2)

      • average

        public static double average​(long[] values)

      • epsilonEquals

        public static boolean epsilonEquals​(float parFloat1,
                                    float parFloat2)

      • normalizeAngle

        public static int normalizeAngle​(int parInt1,
                                 int parInt2)

      • wrapAngleTo180_float

        public static float wrapAngleTo180_float​(float value)
        + the angle is reduced to an angle between -180 and +180 by mod, and a 360 check

      • wrapAngleTo180_double

        public static double wrapAngleTo180_double​(double value)
        + the angle is reduced to an angle between -180 and +180 by mod, and a 360 check

      • parseIntWithDefault

        public static int parseIntWithDefault​(java.lang.String parString1,
                                      int parInt1)
        + parses the string as integer or returns the second parameter if it fails

      • parseIntWithDefaultAndMax

        public static int parseIntWithDefaultAndMax​(java.lang.String parString1,
                                            int parInt1,
                                            int parInt2)
        + parses the string as integer or returns the second parameter if it fails. this value is capped to par2

      • parseDoubleWithDefault

        public static double parseDoubleWithDefault​(java.lang.String parString1,
                                            double parDouble1)
        + parses the string as double or returns the second parameter if it fails.

      • parseDoubleWithDefaultAndMax

        public static double parseDoubleWithDefaultAndMax​(java.lang.String parString1,
                                                  double parDouble1,
                                                  double parDouble2)

      • roundUpToPowerOfTwo

        public static int roundUpToPowerOfTwo​(int value)
        + Returns the input value rounded up to the next highest power of two.

      • calculateLogBaseTwo

        public static int calculateLogBaseTwo​(int value)
        + Efficiently calculates the floor of the base-2 log of an integer value. This is effectively the index of the highest bit that is set. For example, if the number in binary is 0...100101, this will return 5.

      • func_154354_b

        public static int func_154354_b​(int parInt1,
                                int parInt2)

      • func_180183_b

        public static int func_180183_b​(float parFloat1,
                                float parFloat2,
                                float parFloat3)

      • func_180181_b

        public static int func_180181_b​(int parInt1,
                                int parInt2,
                                int parInt3)

      • func_180188_d

        public static int func_180188_d​(int parInt1,
                                int parInt2)

      • func_181162_h

        public static double func_181162_h​(double parDouble1)

      • getPositionRandom

        public static long getPositionRandom​(Vec3i pos)

      • getCoordinateRandom

        public static long getCoordinateRandom​(int x,
                                       int y,
                                       int z)

      • func_181160_c

        public static double func_181160_c​(double parDouble1,
                                   double parDouble2,
                                   double parDouble3)

      • func_181159_b

        public static double func_181159_b​(double parDouble1,
                                   double parDouble2)

      • func_181161_i

        public static double func_181161_i​(double parDouble1)

      • func_181758_c

        public static int func_181758_c​(float parFloat1,
                                float parFloat2,
                                float parFloat3)