130 lines
3.1 KiB
C
130 lines
3.1 KiB
C
/*
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* Example of using termcap library for SmallC.
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* 11/3/1980 EPS/CITHEP
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*
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* Copyright (c) 1980 Regents of the University of California.
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* All rights reserved. The Berkeley software License Agreement
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* specifies the terms and conditions for redistribution.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <signal.h>
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#include <unistd.h>
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#define CO 80 /* number of columns */
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#define LI 24 /* number of lines */
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#define CL "\33[H\33[J" /* clear the screen */
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#define CM "\33[%u;%uH" /* move the cursor to row, column */
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#define BC "\b" /* move cursor left */
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#define DN "\33[B" /* move cursor down */
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#define ND " " /* move cursor right */
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int xpos[5], ypos[5];
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char outbuf[BUFSIZ];
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void moveto(int col, int row)
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{
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printf(CM, row, col);
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}
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void onsig(int n)
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{
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moveto(0, LI - 1);
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fflush(stdout);
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_exit(0);
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}
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int main(void)
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{
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int x, y, j;
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setbuf(stdout, outbuf);
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for (j = SIGHUP; j <= SIGTERM; j++)
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if (signal(j, SIG_IGN) != SIG_IGN)
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signal(j, onsig);
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fputs(CL, stdout);
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fflush(stdout);
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for (j = 5; --j >= 0; ) {
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xpos[j] = 2 + rand() % (CO - 4);
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ypos[j] = 2 + rand() % (LI - 4);
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}
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for (j = 0; ; ) {
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x = 2 + rand() % (CO - 4);
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y = 2 + rand() % (LI - 4);
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moveto(x, y);
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putchar('.');
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moveto(xpos[j], ypos[j]);
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putchar('o');
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if (j == 0)
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j = 4;
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else
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--j;
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moveto(xpos[j], ypos[j]);
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putchar('O');
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if (j == 0)
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j = 4;
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else
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--j;
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moveto(xpos[j], ypos[j]-1);
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putchar('-');
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fputs(DN, stdout);
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fputs(BC, stdout);
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fputs(BC, stdout);
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fputs("|.|", stdout);
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fputs(DN, stdout);
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fputs(BC, stdout);
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fputs(BC, stdout);
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putchar('-');
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if (j == 0)
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j = 4;
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else
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--j;
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moveto(xpos[j], ypos[j]-2);
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putchar('-');
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fputs(DN, stdout);
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fputs(BC, stdout);
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fputs(BC, stdout);
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fputs("/ \\", stdout);
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moveto(xpos[j]-2, ypos[j]);
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fputs("| O |", stdout);
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moveto(xpos[j]-1, ypos[j]+1);
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fputs("\\ /", stdout);
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fputs(DN, stdout);
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fputs(BC, stdout);
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fputs(BC, stdout);
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putchar('-');
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if (j == 0)
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j = 4;
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else
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--j;
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moveto(xpos[j], ypos[j]-2);
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putchar(' ');
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fputs(DN, stdout);
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fputs(BC, stdout);
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fputs(BC, stdout);
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putchar(' ');
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fputs(ND, stdout);
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putchar(' ');
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moveto(xpos[j]-2, ypos[j]);
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putchar(' ');
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fputs(ND, stdout);
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putchar(' ');
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fputs(ND, stdout);
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putchar(' ');
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moveto(xpos[j]-1, ypos[j]+1);
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putchar(' ');
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fputs(ND, stdout);
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putchar(' ');
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fputs(DN, stdout);
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fputs(BC, stdout);
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fputs(BC, stdout);
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putchar(' ');
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xpos[j] = x;
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ypos[j] = y;
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fflush(stdout);
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usleep(100000);
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}
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}
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