util.h File Reference

various utilities used thoughout the code More...

#include <stdlib.h>
#include <stdbool.h>
#include <math.h>
#include <time.h>
#include "pcg_basic.h"
#include "direction.h"

Go to the source code of this file.

Functions
void	seedDungeonatorRNG ()
bool	contains (int *arr, size_t start, size_t end, int element)
void	shuffleDirections (Direction *array, int n)
int	uniform_distribution (int rangeLow, int rangeHigh)

Detailed Description

various utilities used thoughout the code

Function Documentation

contains()

bool contains	(	int *	arr,
		size_t	start,
		size_t	end,
		int	element
	)

test if an int array contains an int

time complexity O(n) (obviously)

Parameters

[in]	arr	the array to check
[in]	start	the start index to check from
[in]	end	the end index to check to
[in]	element	the element to check for

Returns

whether the array contains the element

seedDungeonatorRNG()

void seedDungeonatorRNG

(

)

seed the prng used by the dungeon generation algorithm with a non-determentistic seed

shuffleDirections()

void shuffleDirections	(	Direction *	array,
		int	n
	)

shuffle the array of directions

Parameters

[in,out]	array	the array to shuffle
[in]	n	the length of the array

uniform_distribution()

int uniform_distribution	(	int	rangeLow,
		int	rangeHigh
	)

get a random number in a uniform distribution of [rangeLow, rangeHigh)

Parameters

[in]	rangeLow	the lower number in the range
[in]	rangeHigh	the higher number in the range

Returns

a random int in the range