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/*
* Copyright (C) 2003 Robert Kooima
*
* NEVERBALL 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 2 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.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <SDL_endian.h>
#include "fs.h"
/*---------------------------------------------------------------------------*/
void put_float(fs_file fout, float f)
{
unsigned char *p = (unsigned char *) &f;
#if SDL_BYTEORDER == SDL_BIG_ENDIAN
fs_putc((int) p[3], fout);
fs_putc((int) p[2], fout);
fs_putc((int) p[1], fout);
fs_putc((int) p[0], fout);
#else
fs_putc((int) p[0], fout);
fs_putc((int) p[1], fout);
fs_putc((int) p[2], fout);
fs_putc((int) p[3], fout);
#endif
}
void put_index(fs_file fout, int i)
{
unsigned char *p = (unsigned char *) &i;
#if SDL_BYTEORDER == SDL_BIG_ENDIAN
fs_putc((int) p[3], fout);
fs_putc((int) p[2], fout);
fs_putc((int) p[1], fout);
fs_putc((int) p[0], fout);
#else
fs_putc((int) p[0], fout);
fs_putc((int) p[1], fout);
fs_putc((int) p[2], fout);
fs_putc((int) p[3], fout);
#endif
}
void put_short(fs_file fout, short s)
{
unsigned char *p = (unsigned char *) &s;
#if SDL_BYTEORDER == SDL_BIG_ENDIAN
fs_putc((int) p[1], fout);
fs_putc((int) p[0], fout);
#else
fs_putc((int) p[0], fout);
fs_putc((int) p[1], fout);
#endif
}
void put_array(fs_file fout, const float *v, size_t n)
{
size_t i;
for (i = 0; i < n; i++)
put_float(fout, v[i]);
}
/*---------------------------------------------------------------------------*/
float get_float(fs_file fin)
{
float f;
unsigned char *p = (unsigned char *) &f;
#if SDL_BYTEORDER == SDL_BIG_ENDIAN
p[3] = (unsigned char) fs_getc(fin);
p[2] = (unsigned char) fs_getc(fin);
p[1] = (unsigned char) fs_getc(fin);
p[0] = (unsigned char) fs_getc(fin);
#else
p[0] = (unsigned char) fs_getc(fin);
p[1] = (unsigned char) fs_getc(fin);
p[2] = (unsigned char) fs_getc(fin);
p[3] = (unsigned char) fs_getc(fin);
#endif
return f;
}
int get_index(fs_file fin)
{
int i;
unsigned char *p = (unsigned char *) &i;
#if SDL_BYTEORDER == SDL_BIG_ENDIAN
p[3] = (unsigned char) fs_getc(fin);
p[2] = (unsigned char) fs_getc(fin);
p[1] = (unsigned char) fs_getc(fin);
p[0] = (unsigned char) fs_getc(fin);
#else
p[0] = (unsigned char) fs_getc(fin);
p[1] = (unsigned char) fs_getc(fin);
p[2] = (unsigned char) fs_getc(fin);
p[3] = (unsigned char) fs_getc(fin);
#endif
return i;
}
short get_short(fs_file fin)
{
short s;
unsigned char *p = (unsigned char *) &s;
#if SDL_BYTEORDER == SDL_BIG_ENDIAN
p[1] = (unsigned char) fs_getc(fin);
p[0] = (unsigned char) fs_getc(fin);
#else
p[0] = (unsigned char) fs_getc(fin);
p[1] = (unsigned char) fs_getc(fin);
#endif
return s;
}
void get_array(fs_file fin, float *v, size_t n)
{
size_t i;
for (i = 0; i < n; i++)
v[i] = get_float(fin);
}
/*---------------------------------------------------------------------------*/
void put_string(fs_file fout, const char *s)
{
fs_puts(s, fout);
fs_putc('\0', fout);
}
void get_string(fs_file fin, char *s, size_t max)
{
size_t pos = 0;
int c;
while ((c = fs_getc(fin)) >= 0)
{
if (pos < max)
{
s[pos++] = c;
/* Terminate the string, but keep reading until NUL. */
if (pos == max)
s[pos - 1] = 0;
}
if (c == 0)
break;
}
}
/*---------------------------------------------------------------------------*/
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