naev.h File Reference

Header file with generic functions and naev-specifics. More...

#include "ncompat.h"

Go to the source code of this file.

Macros
#define	APPNAME   "Naev"
#define	ABS(x)   (((x)<0)?-(x):(x))
#define	FABS(x)   (((x)<0.)?-(x):(x))
#define	MAX(x, y)   (((x)>(y))?(x):(y))
#define	MIN(x, y)   (((x)>(y))?(y):(x))
#define	CLAMP(a, b, x)   ((x)<(a)?(a):((x)>(b)?(b):(x)))
#define	SIGN(x)   (((x)>0)?1:-1)
#define	FSIGN(x)   (((x)>0.)?1.:-1.)
#define	pow2(x)   ((x)*(x))
#define	PATH_MAX   256
#define	STRMAX   4096
#define	STRMAX_SHORT   1024
#define	M_PI   3.14159265358979323846
#define	M_SQRT1_2   0.70710678118654752440
#define	M_SQRT2   1.41421356237309504880

Functions
void	fps_setPos (double x, double y)
	Sets the position to display the FPS. More...
void	display_fps (const double dt)
	Displays FPS on the screen. More...
void	naev_resize (void)
	Wrapper for gl_resize that handles non-GL reinitialization. More...
void	naev_toggleFullscreen (void)
void	update_routine (double dt, int enter_sys)
	Actually runs the updates. More...
const char *	naev_version (int long_version)
	Returns the version in a human readable string. More...
int	naev_versionCompare (const char *version)
	Compares the version against the current naev version. More...
void	naev_quit (void)
	Flags naev to quit. More...
int	naev_isQuit (void)
	Get if Naev is trying to quit. More...
double	naev_getrealdt (void)
	Gets the last delta-tick. More...
void	naev_renderLoadscreen (void)
	Renders the loadscreen if necessary. More...

Variables
Uint32	SDL_LOOPDONE
const double	fps_min
double	elapsed_time_mod

Detailed Description

Header file with generic functions and naev-specifics.

Definition in file naev.h.

Macro Definition Documentation

ABS

#define ABS

(

x

)

(((x)<0)?-(x):(x))

Returns absolute value.

Definition at line 36 of file naev.h.

APPNAME

#define APPNAME   "Naev"

Application name.

Definition at line 34 of file naev.h.

CLAMP

#define CLAMP	(		a,
			b,
			x
	)		((x)<(a)?(a):((x)>(b)?(b):(x)))

Clamps x between a and b: a <= x <= b.

Definition at line 41 of file naev.h.

FABS

#define FABS

(

x

)

(((x)<0.)?-(x):(x))

Returns float absolute value.

Definition at line 37 of file naev.h.

FSIGN

#define FSIGN

(

x

)

(((x)>0.)?1.:-1.)

Returns the sign of a value.

Definition at line 44 of file naev.h.

M_PI

#define M_PI   3.14159265358979323846

Definition at line 59 of file naev.h.

M_SQRT1_2

#define M_SQRT1_2   0.70710678118654752440

Definition at line 62 of file naev.h.

M_SQRT2

#define M_SQRT2   1.41421356237309504880

Definition at line 65 of file naev.h.

MAX

#define MAX	(		x,
			y
	)		(((x)>(y))?(x):(y))

Returns maximum.

Definition at line 39 of file naev.h.

MIN

#define MIN	(		x,
			y
	)		(((x)>(y))?(y):(x))

Returns minimum.

Definition at line 40 of file naev.h.

PATH_MAX

#define PATH_MAX   256

If not already defined.

Definition at line 50 of file naev.h.

pow2

#define pow2

(

x

)

((x)*(x))

^2

Definition at line 46 of file naev.h.

SIGN

#define SIGN

(

x

)

(((x)>0)?1:-1)

Returns the sign of a value.

Definition at line 43 of file naev.h.

STRMAX

#define STRMAX   4096

Definition at line 54 of file naev.h.

STRMAX_SHORT

#define STRMAX_SHORT   1024

Definition at line 55 of file naev.h.

Function Documentation

display_fps()

void display_fps

(

const double

dt

)

Displays FPS on the screen.

Parameters

[in]

dt

Current delta tick.

Definition at line 915 of file naev.c.

fps_setPos()

void fps_setPos	(	double	x,
		double	y
	)

Sets the position to display the FPS.

Definition at line 904 of file naev.c.

naev_getrealdt()

double naev_getrealdt

(

void

)

Gets the last delta-tick.

Definition at line 1122 of file naev.c.

naev_isQuit()

int naev_isQuit

(

void

)

Get if Naev is trying to quit.

Definition at line 155 of file naev.c.

naev_quit()

void naev_quit

(

void

)

Flags naev to quit.

Definition at line 147 of file naev.c.

naev_renderLoadscreen()

void naev_renderLoadscreen

(

void

)

Renders the loadscreen if necessary.

Definition at line 549 of file naev.c.

naev_resize()

void naev_resize

(

void

)

Wrapper for gl_resize that handles non-GL reinitialization.

Definition at line 765 of file naev.c.

naev_toggleFullscreen()

void naev_toggleFullscreen

(

void

)

Definition at line 813 of file naev.c.

naev_version()

const char * naev_version

(

int

long_version

)

Returns the version in a human readable string.

Parameters

long_version

Returns the long version if it's long.

Returns

The human readable version string.

Definition at line 25 of file naev_version.c.

naev_versionCompare()

int naev_versionCompare

(

const char *

version

)

Compares the version against the current naev version.

Returns

positive if version is newer or negative if version is older.

Definition at line 1071 of file naev.c.

update_routine()

void update_routine	(	double	dt,
		int	enter_sys
	)

Actually runs the updates.

Parameters

[in]	dt	Current delta tick.
[in]	enter_sys	Whether this is the initial update upon entering the system.

Definition at line 998 of file naev.c.

Variable Documentation

elapsed_time_mod

double elapsed_time_mod

extern

Elapsed modified time.

Definition at line 119 of file naev.c.

fps_min

const double fps_min

extern

Minimum fps to run at.

Definition at line 118 of file naev.c.

SDL_LOOPDONE

Uint32 SDL_LOOPDONE

extern

For custom event to exit loops.

Definition at line 101 of file naev.c.