Package gaiasky.util

Class GlobalResources

java.lang.Object

gaiasky.util.GlobalResources

public class GlobalResources
extends java.lang.Object

Holds and initialises resources utilised globally.

Field Summary

Fields

Modifier and Type	Field	Description
static com.badlogic.gdx.graphics.Cursor	emptyCursor	Cursors
static ExtSpriteBatch	extSpriteBatch	Sprite batch using int indices
static ExtShaderProgram	extSpriteShader
static com.badlogic.gdx.graphics.Cursor	linkCursor	Cursors
static com.badlogic.gdx.graphics.Cursor	resizeXCursor	Cursors
static com.badlogic.gdx.graphics.Cursor	resizeYCursor	Cursors
static com.badlogic.gdx.scenes.scene2d.ui.Skin	skin	The global skin
static com.badlogic.gdx.graphics.g2d.SpriteBatch	spriteBatch	Global all-purpose sprite batch
static com.badlogic.gdx.graphics.glutils.ShaderProgram	spriteShader

Constructor Summary

Constructors

Constructor	Description
GlobalResources()

Method Summary

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 int	countOccurrences(java.lang.String haystack, char needle)
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<com.badlogic.gdx.files.FileHandle>	listRec(com.badlogic.gdx.files.FileHandle f, com.badlogic.gdx.utils.Array<com.badlogic.gdx.files.FileHandle> l, java.io.FilenameFilter filter)
static com.badlogic.gdx.utils.Array<com.badlogic.gdx.files.FileHandle>	listRec(com.badlogic.gdx.files.FileHandle f, com.badlogic.gdx.utils.Array<com.badlogic.gdx.files.FileHandle> l, java.lang.String... extensions)	Gets all the files with the given extension in the given file handle f.
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

extSpriteShader

public static ExtShaderProgram extSpriteShader

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<com.badlogic.gdx.files.FileHandle> listRec(com.badlogic.gdx.files.FileHandle f,
                                                                                      com.badlogic.gdx.utils.Array<com.badlogic.gdx.files.FileHandle> l,
                                                                                      java.lang.String... extensions)

Gets all the files with the given extension in the given file handle f.

Parameters:

f - The directory to get all the files

l - The list with re results

extensions - The allowed extensions

Returns:

The list l

listRec

public static com.badlogic.gdx.utils.Array<com.badlogic.gdx.files.FileHandle> listRec(com.badlogic.gdx.files.FileHandle f,
                                                                                      com.badlogic.gdx.utils.Array<com.badlogic.gdx.files.FileHandle> l,
                                                                                      java.io.FilenameFilter 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

applyRelativisticAberration

public static Vector3d applyRelativisticAberration(Vector3d pos,
                                                   ICamera cam)

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,
                                             GlobalConf.SceneConf.GraphicsQuality gq)

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