Package gaiasky.util

Class GlobalResources

  • public class GlobalResources
extends java.lang.Object
    Holds and initialises resources utilised globally.

    • Constructor Summary

      Constructors 
      Constructor Description
      GlobalResources()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static float angle2d​(com.badlogic.gdx.math.Vector3 v1, com.badlogic.gdx.math.Vector3 v2)
      Gets the angle in degrees between the two vectors
      static Vector3d applyRelativisticAberration​(Vector3d pos, ICamera cam)  
      static <T> java.util.List<java.util.List<T>> combination​(java.util.List<T> values, int size)
      Generates all combinations of the given size using the elements in values.
      static java.lang.String[] combinations​(java.lang.String[] values)
      Generates all combinations of all sizes of all the strings given in values
      static void copyFile​(java.nio.file.Path sourceFile, java.nio.file.Path destFile, boolean ow)  
      static int countOccurrences​(java.lang.String haystack, char needle)  
      static void deleteRecursively​(java.nio.file.Path path)  
      static void doneLoading​(com.badlogic.gdx.assets.AssetManager manager)  
      static Pair<java.lang.Double,​java.lang.String> doubleToDistanceString​(double d)
      Converts this double to the string representation of a distance
      static Pair<java.lang.Double,​java.lang.String> doubleToVelocityString​(double d)
      Converts the double to the string representation of a velocity (always in seconds)
      static boolean endsWith​(java.lang.String s, java.lang.String[] endings)
      Returns true if the string ends with any of the endings
      static boolean equal​(java.lang.String buf, char[] compareTo, boolean ignoreCase)
      Compares a given buffer with another buffer.
      static long fileCount​(java.nio.file.Path dir)
      Recursively count files in a directory
      static long fileCount​(java.nio.file.Path dir, java.lang.String[] extensions)
      Count files matching a certain ending in a directory, recursively
      static Pair<java.lang.Float,​java.lang.String> floatToDistanceString​(float f)
      Converts this float to the string representation of a distance
      static java.lang.String getGLExtensions()  
      static java.lang.String humanReadableByteCount​(long bytes, boolean si)
      Converts bytes to a human readable format
      static void initialize​(com.badlogic.gdx.assets.AssetManager manager)  
      static <T,​U>
      java.util.Map<U,​java.util.List<T>>      		 invertMap​(java.util.Map<T,​U> map)
      Inverts a map
      static boolean isAnyInView​(Vector3d[] points, float coneAngle, Vector3d dir)
      Computes whether any of the given points is visible by a camera with the given direction and the given cone angle.
      static boolean isInView​(com.badlogic.gdx.math.Vector3 point, double len, float coneAngle, com.badlogic.gdx.math.Vector3 dir)  
      static boolean isInView​(Vector3d point, double len, float coneAngle, Vector3d dir)
      Computes whether a body with the given position is visible by a camera with the given direction and angle.
      static boolean isInView​(Vector3d point, float coneAngle, Vector3d dir)
      Computes whether a body with the given position is visible by a camera with the given direction and angle.
      static boolean isNumeric​(java.lang.String str)  
      static com.badlogic.gdx.utils.Array<java.nio.file.Path> listRec​(java.nio.file.Path f, com.badlogic.gdx.utils.Array<java.nio.file.Path> l, java.lang.String... extensions)
      Gets all the files with the given extension in the given path f.
      static com.badlogic.gdx.utils.Array<java.nio.file.Path> listRec​(java.nio.file.Path f, com.badlogic.gdx.utils.Array<java.nio.file.Path> l, java.nio.file.DirectoryStream.Filter<java.nio.file.Path> filter)  
      static int nthIndexOf​(java.lang.String text, char needle, int n)  
      static java.lang.String[] parseWhitespaceSeparatedList​(java.lang.String str)
      Parses the string and creates a string array.
      static long size​(java.nio.file.Path path)
      Attempts to calculate the size of a file or directory.
      static <K,​V extends java.lang.Comparable<? super V>>
      java.util.Map<K,​V>      		 sortByValue​(java.util.Map<K,​V> map)  
      static com.badlogic.gdx.graphics.Pixmap textureToPixmap​(com.badlogic.gdx.graphics.g2d.TextureRegion tex)
      Converts a texture to a pixmap by drawing it to a frame buffer and getting the data
      static float[] toFloatArray​(double[] array)
      Transforms the given double array into a float array by casting each of its numbers
      static java.lang.String toString​(java.lang.String[] l, java.lang.String quote, java.lang.String separator)
      Converts a string array into a string, optionally quoting each entry and with a given separator.
      static java.lang.String toWhitespaceSeparatedList​(java.lang.String[] l)
      Converts the string array into a whitespace-separated string where each element is double quoted.
      static java.lang.String unpackSkyboxSide​(java.lang.String skyboxLoc, java.lang.String side)  
      static java.lang.String unpackTexName​(java.lang.String tex)  
      static java.lang.String unpackTexName​(java.lang.String tex, GlobalConf.SceneConf.GraphicsQuality gq)  
      static void updateSkin()  

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • spriteShader

        public static com.badlogic.gdx.graphics.glutils.ShaderProgram spriteShader

      • spriteBatch

        public static com.badlogic.gdx.graphics.g2d.SpriteBatch spriteBatch
        Global all-purpose sprite batch

      • extSpriteBatch

        public static ExtSpriteBatch extSpriteBatch
        Sprite batch using int indices

      • linkCursor

        public static com.badlogic.gdx.graphics.Cursor linkCursor
        Cursors

      • resizeXCursor

        public static com.badlogic.gdx.graphics.Cursor resizeXCursor
        Cursors

      • resizeYCursor

        public static com.badlogic.gdx.graphics.Cursor resizeYCursor
        Cursors

      • emptyCursor

        public static com.badlogic.gdx.graphics.Cursor emptyCursor
        Cursors

      • skin

        public static com.badlogic.gdx.scenes.scene2d.ui.Skin skin
        The global skin

    • Constructor Detail

      • GlobalResources

        public GlobalResources()

    • Method Detail

      • initialize

        public static void initialize​(com.badlogic.gdx.assets.AssetManager manager)

      • updateSkin

        public static void updateSkin()

      • doneLoading

        public static void doneLoading​(com.badlogic.gdx.assets.AssetManager manager)

      • doubleToDistanceString

        public static Pair<java.lang.Double,​java.lang.String> doubleToDistanceString​(double d)
        Converts this double to the string representation of a distance
        Parameters:
        d - In internal units
        Returns:
        An array containing the float number and the string units

      • doubleToVelocityString

        public static Pair<java.lang.Double,​java.lang.String> doubleToVelocityString​(double d)
        Converts the double to the string representation of a velocity (always in seconds)
        Parameters:
        d - In internal units
        Returns:
        Array containing the number and the units

      • floatToDistanceString

        public static Pair<java.lang.Float,​java.lang.String> floatToDistanceString​(float f)
        Converts this float to the string representation of a distance
        Parameters:
        f - In internal units
        Returns:
        An array containing the float number and the string units

      • toFloatArray

        public static float[] toFloatArray​(double[] array)
        Transforms the given double array into a float array by casting each of its numbers
        Parameters:
        array - The array of doubles
        Returns:
        The array of floats

      • isInView

        public static boolean isInView​(Vector3d point,
                               float coneAngle,
                               Vector3d dir)
        Computes whether a body with the given position is visible by a camera with the given direction and angle. Coordinates are assumed to be in the camera-origin system
        Parameters:
        point - The position of the body in the reference system of the camera (i.e. camera is at origin)
        coneAngle - The cone angle of the camera
        dir - The direction
        Returns:
        True if the body is visible

      • isInView

        public static boolean isInView​(Vector3d point,
                               double len,
                               float coneAngle,
                               Vector3d dir)
        Computes whether a body with the given position is visible by a camera with the given direction and angle. Coordinates are assumed to be in the camera-origin system
        Parameters:
        point - The position of the body in the reference system of the camera (i.e. camera is at origin)
        len - The point length
        coneAngle - The cone angle of the camera
        dir - The direction
        Returns:
        True if the body is visible

      • isInView

        public static boolean isInView​(com.badlogic.gdx.math.Vector3 point,
                               double len,
                               float coneAngle,
                               com.badlogic.gdx.math.Vector3 dir)

      • isAnyInView

        public static boolean isAnyInView​(Vector3d[] points,
                                  float coneAngle,
                                  Vector3d dir)
        Computes whether any of the given points is visible by a camera with the given direction and the given cone angle. Coordinates are assumed to be in the camera-origin system
        Parameters:
        points - The array of points to check
        coneAngle - The cone angle of the camera (field of view)
        dir - The direction
        Returns:
        True if any of the points is in the camera view cone

      • equal

        public static boolean equal​(java.lang.String buf,
                            char[] compareTo,
                            boolean ignoreCase)
        Compares a given buffer with another buffer.
        Parameters:
        buf - Buffer to compare against
        compareTo - Buffer to compare to (content should be ASCII lowercase if possible)
        Returns:
        True if the buffers compare favourably, false otherwise

      • countOccurrences

        public static int countOccurrences​(java.lang.String haystack,
                                   char needle)

      • nthIndexOf

        public static int nthIndexOf​(java.lang.String text,
                             char needle,
                             int n)

      • listRec

        public static com.badlogic.gdx.utils.Array<java.nio.file.Path> listRec​(java.nio.file.Path f,
                                                                       com.badlogic.gdx.utils.Array<java.nio.file.Path> l,
                                                                       java.lang.String... extensions)
        Gets all the files with the given extension in the given path f.
        Parameters:
        f - The directory to get all the files
        l - The list with the results
        extensions - The allowed extensions
        Returns:
        The list l

      • deleteRecursively

        public static void deleteRecursively​(java.nio.file.Path path)
                              throws java.io.IOException
        Throws:
        java.io.IOException

      • copyFile

        public static void copyFile​(java.nio.file.Path sourceFile,
                            java.nio.file.Path destFile,
                            boolean ow)
                     throws java.io.IOException
        Throws:
        java.io.IOException

      • listRec

        public static com.badlogic.gdx.utils.Array<java.nio.file.Path> listRec​(java.nio.file.Path f,
                                                                       com.badlogic.gdx.utils.Array<java.nio.file.Path> l,
                                                                       java.nio.file.DirectoryStream.Filter<java.nio.file.Path> filter)

      • fileCount

        public static long fileCount​(java.nio.file.Path dir)
                      throws java.io.IOException
        Recursively count files in a directory
        Parameters:
        dir - The directory
        Returns:
        The number of files
        Throws:
        java.io.IOException

      • fileCount

        public static long fileCount​(java.nio.file.Path dir,
                             java.lang.String[] extensions)
                      throws java.io.IOException
        Count files matching a certain ending in a directory, recursively
        Parameters:
        dir - The directory
        Returns:
        The number of files
        Throws:
        java.io.IOException

      • endsWith

        public static boolean endsWith​(java.lang.String s,
                               java.lang.String[] endings)
        Returns true if the string ends with any of the endings
        Parameters:
        s - The string
        endings - The endings
        Returns:
        True if the string ends with any of the endings

      • isNumeric

        public static boolean isNumeric​(java.lang.String str)

      • sortByValue

        public static <K,​V extends java.lang.Comparable<? super V>> java.util.Map<K,​V> sortByValue​(java.util.Map<K,​V> map)

      • textureToPixmap

        public static com.badlogic.gdx.graphics.Pixmap textureToPixmap​(com.badlogic.gdx.graphics.g2d.TextureRegion tex)
        Converts a texture to a pixmap by drawing it to a frame buffer and getting the data
        Parameters:
        tex - The texture to convert
        Returns:
        The resulting pixmap

      • invertMap

        public static final <T,​U> java.util.Map<U,​java.util.List<T>> invertMap​(java.util.Map<T,​U> map)
        Inverts a map
        Parameters:
        map - The map to invert
        Returns:
        The inverted map

      • angle2d

        public static float angle2d​(com.badlogic.gdx.math.Vector3 v1,
                            com.badlogic.gdx.math.Vector3 v2)
        Gets the angle in degrees between the two vectors

      • humanReadableByteCount

        public static java.lang.String humanReadableByteCount​(long bytes,
                                                      boolean si)
        Converts bytes to a human readable format
        Parameters:
        bytes - The bytes
        si - Whether to use SI units or binary
        Returns:
        The size in a human readable form

      • size

        public static long size​(java.nio.file.Path path)
                 throws java.io.IOException
        Attempts to calculate the size of a file or directory.

        Since the operation is non-atomic, the returned value may be inaccurate. However, this method is quick and does its best.

        Throws:
        java.io.IOException

      • parseWhitespaceSeparatedList

        public static java.lang.String[] parseWhitespaceSeparatedList​(java.lang.String str)
        Parses the string and creates a string array. The string is a list of whitespace-separated tokens, each surrounded by double qutotes '"': str = '"a" "bc" "d" "efghi"'
        Parameters:
        str - The string
        Returns:
        The resulting array

      • toWhitespaceSeparatedList

        public static java.lang.String toWhitespaceSeparatedList​(java.lang.String[] l)
        Converts the string array into a whitespace-separated string where each element is double quoted.
        Parameters:
        l - The string array
        Returns:
        The resulting string

      • toString

        public static java.lang.String toString​(java.lang.String[] l,
                                        java.lang.String quote,
                                        java.lang.String separator)
        Converts a string array into a string, optionally quoting each entry and with a given separator.
        Parameters:
        l - The list
        quote - The quote string to use
        separator - The separator
        Returns:
        The resulting string

      • unpackTexName

        public static java.lang.String unpackTexName​(java.lang.String tex)

      • unpackSkyboxSide

        public static java.lang.String unpackSkyboxSide​(java.lang.String skyboxLoc,
                                                java.lang.String side)
                                         throws java.lang.RuntimeException
        Throws:
        java.lang.RuntimeException

      • getGLExtensions

        public static java.lang.String getGLExtensions()

      • combinations

        public static java.lang.String[] combinations​(java.lang.String[] values)
        Generates all combinations of all sizes of all the strings given in values
        Parameters:
        values - The input strings to combine
        Returns:
        The combinations

      • combination

        public static <T> java.util.List<java.util.List<T>> combination​(java.util.List<T> values,
                                                                int size)
        Generates all combinations of the given size using the elements in values.
        Type Parameters:
        T - The type
        Parameters:
        values - The elements to combine
        size - The size of the combinations
        Returns:
        The combinations