blobwarsAttrition/src/util/util.c

142 lines
2.7 KiB
C

/*
Copyright (C) 2018 Parallel Realities
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 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.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "util.h"
static char TIME_STRING[MAX_NAME_LENGTH];
int collision(int x1, int y1, int w1, int h1, int x2, int y2, int w2, int h2)
{
return (MAX(x1, x2) < MIN(x1 + w1, x2 + w2)) && (MAX(y1, y2) < MIN(y1 + h1, y2 + h2));
}
char *timeToString(int seconds, int showHours)
{
int hours, minutes;
/* max out at 99h 59m 59s */
seconds = MIN(seconds, (100 * 60 * 60) - 1);
hours = seconds / (FPS * FPS);
minutes = (seconds / FPS) % FPS;
seconds %= FPS;
if (showHours)
{
sprintf(TIME_STRING, "%dh %02dm %02ds", hours, minutes, seconds);
}
else
{
sprintf(TIME_STRING, "%dm %02ds", minutes, seconds);
}
return TIME_STRING;
}
char *timeToDate(long millis)
{
static char DATE[MAX_NAME_LENGTH];
struct tm *timeinfo;
time_t t;
t = millis;
timeinfo = localtime(&t);
strftime(DATE, MAX_NAME_LENGTH, "%d %b %Y, %I:%M%p", timeinfo);
return DATE;
}
void *resize(void *array, int oldSize, int newSize)
{
void **newArray;
int copySize;
copySize = newSize > oldSize ? oldSize : newSize;
newArray = malloc(newSize);
memset(newArray, 0, newSize);
memcpy(newArray, array, copySize);
free(array);
return newArray;
}
char *buildFormattedString(const char *format, ...)
{
int n;
char *s;
va_list args;
va_start(args, format);
n = vsnprintf(NULL, 0, format, args) + 1;
va_end(args);
s = malloc(sizeof(char) * n);
va_start(args, format);
vsprintf(s, format, args);
va_end(args);
return s;
}
/*
* public domain strtok_r() by Charlie Gordon
*
* from comp.lang.c 9/14/2007
*
* http://groups.google.com/group/comp.lang.c/msg/2ab1ecbb86646684
*
* (Declaration that it's public domain):
* http://groups.google.com/group/comp.lang.c/msg/7c7b39328fefab9c
*/
char *strtok_r(char *str, const char *delim, char **nextp)
{
char *ret;
if (str == NULL)
{
str = *nextp;
}
str += strspn(str, delim);
if (*str == '\0')
{
return NULL;
}
ret = str;
str += strcspn(str, delim);
if (*str)
{
*str++ = '\0';
}
*nextp = str;
return ret;
}