Class HexCellDistanceFunction

java.lang.Object

com.hypixel.hytale.procedurallib.logic.cell.HexCellDistanceFunction

All Implemented Interfaces:

CellDistanceFunction

public class HexCellDistanceFunction
extends Object
implements CellDistanceFunction

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	HexCellDistanceFunction.SquirrelHash	Hash function adapted from: https://youtu.be/LWFzPP8ZbdU?

Field Summary

Fields

Modifier and Type	Field	Description
static final HexCellDistanceFunction	DISTANCE_FUNCTION
static final DoubleArray.Double2[]	HEX_CELL_2D	Maintain our own offset array to support negative values (this is possible because our toGrid methods round rather than floor values).
static final CellPointFunction	POINT_FUNCTION

Constructor Summary

Constructors

Constructor	Description
HexCellDistanceFunction()

Method Summary

Modifier and Type	Method	Description
<T> void	collect(int originalSeed, int seed, int minX, int minY, int maxX, int maxY, ResultBuffer.Bounds2d bounds, T ctx, PointConsumer<T> collector, PointEvaluator pointEvaluator)	Iterate the cell-grid between the two provided corner coordinates and collect the cell centre-points of each cell visited.
void	evalPoint(int seed, double x, double y, double z, int cellX, int cellY, int cellZ, ResultBuffer.ResultBuffer3d buffer, PointEvaluator pointEvaluator)	Evaluate distance to the given cell centre-point recording only the closest result.
void	evalPoint(int seed, double x, double y, int cellX, int cellY, ResultBuffer.ResultBuffer2d buffer, PointEvaluator pointEvaluator)	Evaluate distance to the given cell centre-point recording only the closest result.
void	evalPoint2(int seed, double x, double y, double z, int cellX, int cellY, int cellZ, ResultBuffer.ResultBuffer3d buffer, PointEvaluator pointEvaluator)	Evaluate distance to the given cell centre-point recording the closest and second-closest result.
void	evalPoint2(int seed, double x, double y, int cellX, int cellY, ResultBuffer.ResultBuffer2d buffer, PointEvaluator pointEvaluator)	Evaluate distance to the given cell centre-point recording the closest and second-closest result.
int	getCellX(double x, double y)	Get the x-index of the cell that point x,y is inside.
int	getCellY(double x, double y)	Get the y-index of the cell that point x,y is inside.
static int	getHash(int seed, int x, int y)
double	invScale(double value)	Convert the provided coordinate component to the inverse scale of this CellDistanceFunction.
void	nearest2D(int seed, double x, double y, int cellX, int cellY, ResultBuffer.ResultBuffer2d buffer, PointEvaluator pointEvaluator)	Calculate the distance to the nearest cell centre-point of a 2D cell neighborhood.
void	nearest3D(int seed, double x, double y, double z, int cellX, int cellY, int cellZ, ResultBuffer.ResultBuffer3d buffer, PointEvaluator pointEvaluator)	Calculate the distance to the nearest cell centre-point of a 3D cell neighborhood.
double	scale(double value)	Convert the provided coordinate component to the scale of this CellDistanceFunction.
static int	toGridX(double x, double y)
static int	toGridY(double x, double y)
static double	toHexX(double hx, double hy)
static double	toHexY(double hx, double hy)
String	toString()
void	transition2D(int seed, double x, double y, int cellX, int cellY, ResultBuffer.ResultBuffer2d buffer, PointEvaluator pointEvaluator)	Calculate the distance to the nearest and second-nearest cell centre-points of a 2D cell neighborhood.
void	transition3D(int seed, double x, double y, double z, int cellX, int cellY, int cellZ, ResultBuffer.ResultBuffer3d buffer, PointEvaluator pointEvaluator)	Calculate the distance to the nearest and second-nearest cell centre-points of a 2D cell neighborhood.

Methods inherited from class Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface CellDistanceFunction

getCellX, getCellY, getCellZ

Field Details

DISTANCE_FUNCTION

public static final HexCellDistanceFunction DISTANCE_FUNCTION

POINT_FUNCTION

public static final CellPointFunction POINT_FUNCTION

HEX_CELL_2D

public static final DoubleArray.Double2[] HEX_CELL_2D

Maintain our own offset array to support negative values (this is possible because our toGrid methods round rather than floor values).

Constructor Details

HexCellDistanceFunction

public HexCellDistanceFunction()

Method Details

scale

public double scale(double value)

Description copied from interface: CellDistanceFunction

Convert the provided coordinate component to the scale of this CellDistanceFunction.

Specified by:

scale in interface CellDistanceFunction

Parameters:

value - The coordinate component to scale.

Returns:

The coordinate component scaled to this CellDistanceFunction's domain.

invScale

public double invScale(double value)

Description copied from interface: CellDistanceFunction

Convert the provided coordinate component to the inverse scale of this CellDistanceFunction.

Specified by:

invScale in interface CellDistanceFunction

Parameters:

value - The coordinate component to scale.

Returns:

The coordinate component inversely scaled from this CellDistanceFunction's domain.

getCellX

public int getCellX(double x,
 double y)

Description copied from interface: CellDistanceFunction

Get the x-index of the cell that point x,y is inside.

Specified by:

getCellX in interface CellDistanceFunction

Parameters:

x - The x-coordinate of the point.

y - The y-coordinate of the point.

Returns:

The cell's x-index.

getCellY

public int getCellY(double x,
 double y)

Description copied from interface: CellDistanceFunction

Get the y-index of the cell that point x,y is inside.

Specified by:

getCellY in interface CellDistanceFunction

Parameters:

x - The x-coordinate of the point.

y - The y-coordinate of the point.

Returns:

The cell's y-index.

nearest2D

public void nearest2D(int seed,
 double x,
 double y,
 int cellX,
 int cellY,
 @Nonnull
 ResultBuffer.ResultBuffer2d buffer,
 @Nonnull
 PointEvaluator pointEvaluator)

Description copied from interface: CellDistanceFunction

Calculate the distance to the nearest cell centre-point of a 2D cell neighborhood.

Specified by:

nearest2D in interface CellDistanceFunction

Parameters:

seed - The seed being sampled.

x - The x-coordinate being sampled.

y - The y-coordinate being sampled.

cellX - The x-index of cell to evaluate around.

cellY - The y-index of cell to evaluate around.

buffer - The buffer into which the result of the evaluation is recorded.

pointEvaluator - A function that evaluates each cell centre-point.

nearest3D

public void nearest3D(int seed,
 double x,
 double y,
 double z,
 int cellX,
 int cellY,
 int cellZ,
 ResultBuffer.ResultBuffer3d buffer,
 PointEvaluator pointEvaluator)

Description copied from interface: CellDistanceFunction

Calculate the distance to the nearest cell centre-point of a 3D cell neighborhood.

Specified by:

nearest3D in interface CellDistanceFunction

Parameters:

seed - The seed being sampled.

x - The x-coordinate being sampled.

y - The y-coordinate being sampled.

z - The y-coordinate being sampled.

cellX - The x-index of cell to evaluate around.

cellY - The y-index of cell to evaluate around.

cellZ - The z-index of cell to evaluate around.

buffer - The buffer into which the result of the evaluation is recorded.

pointEvaluator - A function that evaluates each cell centre-point.

transition2D

public void transition2D(int seed,
 double x,
 double y,
 int cellX,
 int cellY,
 @Nonnull
 ResultBuffer.ResultBuffer2d buffer,
 @Nonnull
 PointEvaluator pointEvaluator)

Description copied from interface: CellDistanceFunction

Calculate the distance to the nearest and second-nearest cell centre-points of a 2D cell neighborhood.

Specified by:

transition2D in interface CellDistanceFunction

Parameters:

seed - The seed being sampled.

x - The x-coordinate being sampled.

y - The y-coordinate being sampled.

cellX - The x-index of cell to evaluate around.

cellY - The y-index of cell to evaluate around.

buffer - The buffer into which the result of the evaluation is recorded.

pointEvaluator - A function that evaluates each cell centre-point.

transition3D

public void transition3D(int seed,
 double x,
 double y,
 double z,
 int cellX,
 int cellY,
 int cellZ,
 ResultBuffer.ResultBuffer3d buffer,
 PointEvaluator pointEvaluator)

Description copied from interface: CellDistanceFunction

Calculate the distance to the nearest and second-nearest cell centre-points of a 2D cell neighborhood.

Specified by:

transition3D in interface CellDistanceFunction

Parameters:

seed - The seed being sampled.

x - The x-coordinate being sampled.

y - The y-coordinate being sampled.

z - The y-coordinate being sampled.

cellX - The x-index of cell to evaluate around.

cellY - The y-index of cell to evaluate around.

cellZ - The z-index of cell to evaluate around.

buffer - The buffer into which the result of the evaluation is recorded.

pointEvaluator - A function that evaluates each cell centre-point.

evalPoint

public void evalPoint(int seed,
 double x,
 double y,
 int cellX,
 int cellY,
 ResultBuffer.ResultBuffer2d buffer,
 @Nonnull
 PointEvaluator pointEvaluator)

Description copied from interface: CellDistanceFunction

Evaluate distance to the given cell centre-point recording only the closest result.

Specified by:

evalPoint in interface CellDistanceFunction

Parameters:

seed - The seed being sampled.

x - The x-coordinate being sampled.

y - The y-coordinate being sampled.

cellX - The x-index of cell being evaluated.

cellY - The y-index of cell being evaluated.

buffer - The buffer into which the result of the evaluation is recorded.

pointEvaluator - A function that evaluates each cell centre-point.

evalPoint

public void evalPoint(int seed,
 double x,
 double y,
 double z,
 int cellX,
 int cellY,
 int cellZ,
 ResultBuffer.ResultBuffer3d buffer,
 PointEvaluator pointEvaluator)

Description copied from interface: CellDistanceFunction

Evaluate distance to the given cell centre-point recording only the closest result.

Specified by:

evalPoint in interface CellDistanceFunction

Parameters:

seed - The seed being sampled.

x - The x-coordinate being sampled.

y - The y-coordinate being sampled.

z - The y-coordinate being sampled.

cellX - The x-index of cell being evaluated.

cellY - The y-index of cell being evaluated.

cellZ - The z-index of cell being evaluated.

buffer - The buffer into which the result of the evaluation is recorded.

pointEvaluator - A function that evaluates each cell centre-point.

evalPoint2

public void evalPoint2(int seed,
 double x,
 double y,
 int cellX,
 int cellY,
 ResultBuffer.ResultBuffer2d buffer,
 @Nonnull
 PointEvaluator pointEvaluator)

Description copied from interface: CellDistanceFunction

Evaluate distance to the given cell centre-point recording the closest and second-closest result.

Specified by:

evalPoint2 in interface CellDistanceFunction

Parameters:

seed - The seed being sampled.

x - The x-coordinate being sampled.

y - The y-coordinate being sampled.

cellX - The x-index of cell being evaluated.

cellY - The y-index of cell being evaluated.

buffer - The buffer into which the result of the evaluation is recorded.

pointEvaluator - A function that evaluates each cell centre-point.

evalPoint2

public void evalPoint2(int seed,
 double x,
 double y,
 double z,
 int cellX,
 int cellY,
 int cellZ,
 ResultBuffer.ResultBuffer3d buffer,
 PointEvaluator pointEvaluator)

Description copied from interface: CellDistanceFunction

Evaluate distance to the given cell centre-point recording the closest and second-closest result.

Specified by:

evalPoint2 in interface CellDistanceFunction

Parameters:

seed - The seed being sampled.

x - The x-coordinate being sampled.

y - The y-coordinate being sampled.

z - The y-coordinate being sampled.

cellX - The x-index of cell being evaluated.

cellY - The y-index of cell being evaluated.

cellZ - The z-index of cell being evaluated.

buffer - The buffer into which the result of the evaluation is recorded.

pointEvaluator - A function that evaluates each cell centre-point.

collect

public <T> void collect(int originalSeed,
 int seed,
 int minX,
 int minY,
 int maxX,
 int maxY,
 @Nonnull
 ResultBuffer.Bounds2d bounds,
 T ctx,
 @Nonnull
 PointConsumer<T> collector,
 @Nonnull
 PointEvaluator pointEvaluator)

Description copied from interface: CellDistanceFunction

Iterate the cell-grid between the two provided corner coordinates and collect the cell centre-points of each cell visited.

Specified by:

collect in interface CellDistanceFunction

Type Parameters:

T - The type of the contextual information being passed to the collector.

Parameters:

originalSeed - A seed from which child-seeds may be offset.

seed - The seed used to determine cell centre-points.

minX - The x-index of the inclusive lower corner of the cell region.

minY - The y-index of the inclusive lower corner of the cell region.

maxX - The x-index of the inclusive upper corner of the cell region.

maxY - The y-index of the inclusive upper corner of the cell region.

bounds - The bounds that generated points must be limited to.

ctx - An arbitrary piece of contextual information to pass to the collector for each point visited.

collector - A consumer for each visited cell centre-point.

pointEvaluator - A function that evaluates each cell centre-point.

toString

@Nonnull
public String toString()

Overrides:

toString in class Object

getHash

public static int getHash(int seed,
 int x,
 int y)

toGridX

public static int toGridX(double x,
 double y)

toGridY

public static int toGridY(double x,
 double y)

toHexX

public static double toHexX(double hx,
 double hy)

toHexY

public static double toHexY(double hx,
 double hy)