game_rng.h File Reference

#include <stdbool.h>
#include "game_core.h"
#include "game_log.h"

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Functions
int	hlpd_rand_docount (bool count)
	Wraps over rand() to update G_RNG_ADVANCEMENTS if passed flag is true.
int	hlpd_rand (void)
	Wraps over hlpd_rand_docount() to update G_RNG_ADVANCEMENTS.
unsigned long	hlpd_hash (unsigned char *str)
	djb2 by Dan Bernstein.
void	gen_random_seed (char buffer[PATH_SEED_BUFSIZE+1])
	Sets the passed buffer up to be a random seed.
bool	check_seed (char buffer[PATH_SEED_BUFSIZE])
	Checks the passed buffer as a seed.

Function Documentation

check_seed()

bool check_seed

(

char

buffer[PATH_SEED_BUFSIZE]

)

Checks the passed buffer as a seed.

Only chars >= 0, <= Z; not including the symbols between digits and letters. Notably, the passed buffer is checked by applying toupper() to each char.

Parameters

buffer

The buffer to check.

Returns

True for a valid seed.

gen_random_seed()

void gen_random_seed

(

char

buffer[PATH_SEED_BUFSIZE+1]

)

Sets the passed buffer up to be a random seed.

Only chars >= 0, <= Z; not including the symbols between digits and letters.

Parameters

buffer

The buffer to set.

hlpd_hash()

unsigned long hlpd_hash

(

unsigned char *

str

)

djb2 by Dan Bernstein.

See: http://www.cse.yorku.ca/~oz/hash.html https://stackoverflow.com/questions/7666509/hash-function-for-string

Parameters

str	The string to hash.

Returns

The resulting hash.

hlpd_rand()

int hlpd_rand

(

void

)

Wraps over hlpd_rand_docount() to update G_RNG_ADVANCEMENTS.

See also

G_RNG_ADVANCEMENTS

hlpd_rand_docount()

Returns

A random integer from hlpd_rand_docount().

hlpd_rand_docount()

int hlpd_rand_docount

(

bool

count

)

Wraps over rand() to update G_RNG_ADVANCEMENTS if passed flag is true.

See also

G_RNG_ADVANCEMENTS

rand()

Parameters

count

When true, advance G_RNG_ADVANCEMENTS.

Returns

A random integer from rand().