Utils functions

All the functions used to help the program. More...

Functions
int	safe_open (char *file_name)
	Try to open the map file specified by map_name.
int	safe_close (int *fd)
	Close safely the file descriptor Modify the file descriptor to -1 after closing it.
int	try_to_open_close_file (char *file_name)
	Try to open the file specified by file_name.
size_t	count_array_length (char **array)
	Count the number of strings that an array have Should absolutely be NULL-Terminated.
void	ft_free_all (t_data *data)
	Free all the memory allocated for the data structure.
void	ft_free_file (t_map *map)
	Free the strings of the file.
void	ft_free_textures (t_mlx *mlx, t_textures *textures)
	Free all the textures stored in mlx structure and map struct.
void	ft_free_textures_path (t_map *map)
	Free the path (name) of the textures in memory.
void	ft_free_map (t_map_raoul *map)
	Free the map structure.
uint64_t	get_time_ms (void)
	Get time in milliseconds.
uint64_t	timeval_to_us (const struct timeval *tv)
	Convert a timeval in microseconds.
uint16_t	count_fps (bool print)
	Count the FPS and print it to the console. It will print the FPS every second if DEBUG_PRINT_FPS is set to 1.
float	absf (float n)
	Returns the absolute value of a float.
int	abs (int n)
	Returns the absolute value of an int.
int	max (int a, int b)
	Returns the highest value between a and b.
double	mind (double a, double b)
	Returns the lowest value between doubles a and b.
t_vec2	vec2rotate (t_vec2 vec, float angle)
	Returns a new vector rotated according to the angle.

Detailed Description

All the functions used to help the program.

Function Documentation

abs()

int abs

(

int

n

)

Returns the absolute value of an int.

Parameters

[in]

n

value

Returns

float absolute vale of n

absf()

float absf

(

float

n

)

Returns the absolute value of a float.

Parameters

[in]

n

value

Returns

float absolute value of n

count_array_length()

size_t count_array_length

(

char **

array

)

Count the number of strings that an array have Should absolutely be NULL-Terminated.

Parameters

array

array of strings

Returns

size_t number of strings

count_fps()

uint16_t count_fps

(

bool

print

)

Count the FPS and print it to the console. It will print the FPS every second if DEBUG_PRINT_FPS is set to 1.

Parameters

print

1 to print the FPS, 0 otherwise

Returns

uint16_t the current FPS

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ft_free_all()

void ft_free_all

(

t_data *

data

)

Free all the memory allocated for the data structure.

Parameters

data	data structure

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ft_free_file()

void ft_free_file

(

t_map *

map

)

Free the strings of the file.

Parameters

map	map structure

ft_free_map()

void ft_free_map

(

t_map_raoul *

map

)

Free the map structure.

Parameters

map	map structure

ft_free_textures()

void ft_free_textures	(	t_mlx *	mlx,
		t_textures *	textures )

Free all the textures stored in mlx structure and map struct.

Parameters

mlx	mlx structure
textures	textures structure

ft_free_textures_path()

void ft_free_textures_path

(

t_map *

map

)

Free the path (name) of the textures in memory.

Parameters

map	map structure

get_time_ms()

uint64_t get_time_ms

(

void

)

Get time in milliseconds.

Returns

uint64_t milliseconds

max()

int max	(	int	a,
		int	b )

Returns the highest value between a and b.

Parameters

[in]	a	first value
[in]	b	second value

Returns

int highest between a and b

mind()

double mind	(	double	a,
		double	b )

Returns the lowest value between doubles a and b.

Parameters

[in]	a	first value
[in]	b	second value

Returns

int lowest between a and b

safe_close()

int safe_close

(

int *

fd

)

Close safely the file descriptor Modify the file descriptor to -1 after closing it.

Parameters

fd	pointer to the file descriptor to close

Returns

int 0 OK, -1 if an error occurred

safe_open()

int safe_open

(

char *

file_name

)

Try to open the map file specified by map_name.

Parameters

file_name

file name to open

Returns

int fd=OK, -1 if an error occurred

timeval_to_us()

uint64_t timeval_to_us

(

const struct timeval *

tv

)

Convert a timeval in microseconds.

Returns

uint64_t microseconds

try_to_open_close_file()

int try_to_open_close_file

(

char *

file_name

)

Try to open the file specified by file_name.

Parameters

file_name

map file name to open

Returns

int 1 OK, 0 if an error occurred

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vec2rotate()

t_vec2 vec2rotate	(	t_vec2	vec,
		float	angle )

Returns a new vector rotated according to the angle.

Parameters

[in]	vec	vector
[in]	angle	angle

Returns

t_vec2 vector rotated