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util.c
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/*
* util.c
* Copyright © 2008 Martin Duquesnoy <[email protected]>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of the nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/time.h>
#include "tetris.h"
#include "config.h"
void
clear_term(void)
{
puts("\e[2J");
return;
}
void
set_cursor(Bool b)
{
printf("\e[?25%c", ((b) ? 'h' : 'l'));
return;
}
void
set_color(int color)
{
int bg = 0, fg = 0;
switch(color)
{
default:
case Black: bg = 0; break;
case Blue: bg = 44; break;
case Red: bg = 41; break;
case Magenta: bg = 45; break;
case White: bg = 47; break;
case Green: bg = 42; break;
case Cyan: bg = 46; break;
case Yellow: bg = 43; break;
case Border: bg = 47; break;
case Score: fg = 37; bg = 49; break;
}
printf("\e[%d;%dm", fg, bg);
return;
}
void
printxy(int color, int x, int y, char *str)
{
set_color(color);
printf("\e[%d;%dH%s", ++x, ++y, str);
set_color(0);
return;
}
int
nrand(int min, int max)
{
return (rand() % (max - min + 1)) + min;
}
void
sig_handler(int sig)
{
switch(sig)
{
case SIGTERM:
case SIGINT:
case SIGSEGV:
running = False;
break;
case SIGALRM:
tv.it_value.tv_usec -= tv.it_value.tv_usec / 3000;
setitimer(0, &tv, NULL);
break;
}
return;
}