naev.h

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/*
 * Copyright 2006-2021 Naev DevTeam
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
#pragma once
 
#include <inttypes.h>
#include <limits.h>
#include <math.h>
 
#include "SDL.h"
#include "ncompat.h"
 
#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)) 
/* maximum filename path */
#ifndef PATH_MAX
#  define PATH_MAX         256 
#endif /* PATH_MAX */
 
/* Default maximum string length */
#define STRMAX             4096
#define STRMAX_SHORT       1024
 
/* For inferior OS. */
#ifndef M_PI
#  define M_PI          3.14159265358979323846
#endif /* M_PI */
#ifndef M_SQRT1_2
#  define M_SQRT1_2     0.70710678118654752440
#endif
#ifndef M_SQRT2
#  define M_SQRT2       1.41421356237309504880
#endif
 
/*
 * Misc stuff.
 */
extern Uint32 SDL_LOOPDONE;
extern const double fps_min;
extern double elapsed_time_mod;
void fps_setPos( double x, double y );
void fps_display( double dt );
double fps_current (void);
void naev_resize (void);
void naev_toggleFullscreen (void);
void update_routine( double dt, int dohooks );
const char *naev_version( int long_version );
int naev_versionCompare( const char *version );
void naev_quit (void);
int naev_isQuit (void);
double naev_getrealdt (void);
 
int naev_shouldRenderLoadscreen (void);
void naev_doRenderLoadscreen (void);
void naev_renderLoadscreen (void);