projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| e0bbfbf9 DF |
1 | /* |
| 2 | * Copyright (c) 1980 Regents of the University of California. | |
| 3 | * All rights reserved. The Berkeley software License Agreement | |
| 4 | * specifies the terms and conditions for redistribution. | |
| 5 | */ | |
| d5bda5f3 | 6 | |
| e0bbfbf9 DF |
7 | #ifndef lint |
| 8 | char copyright[] = | |
| 9 | "@(#) Copyright (c) 1980 Regents of the University of California.\n\ | |
| 10 | All rights reserved.\n"; | |
| 11 | #endif not lint | |
| 12 | ||
| 13 | #ifndef lint | |
| 14 | static char sccsid[] = "@(#)rain.c 5.1 (Berkeley) %G%"; | |
| 15 | #endif not lint | |
| d5bda5f3 KM |
16 | |
| 17 | #include <stdio.h> | |
| 18 | #include <sgtty.h> | |
| 19 | #include <signal.h> | |
| 20 | /* rain 11/3/1980 EPS/CITHEP */ | |
| 21 | /* cc rain.c -o rain -O -ltermlib */ | |
| 22 | #define cursor(col,row) tputs(tgoto(CM,col,row),1,outc) | |
| 23 | outc(c) | |
| 24 | { | |
| 25 | putchar(c); | |
| 26 | } | |
| 27 | extern char *UP; | |
| 28 | extern short ospeed; | |
| 29 | struct sgttyb old_tty; | |
| 30 | char *LL, *TE, *TI; | |
| 31 | main(argc,argv) | |
| 32 | int argc; | |
| 33 | char *argv[]; | |
| 34 | { | |
| 35 | extern fputchar(); | |
| 36 | char *malloc(); | |
| 37 | char *getenv(); | |
| 38 | char *tgetstr(), *tgoto(); | |
| 39 | float ranf(); | |
| 40 | int onsig(); | |
| 41 | register int x, y, j; | |
| 42 | static int xpos[5], ypos[5]; | |
| 43 | register char *CM, *BC, *DN, *ND; | |
| 44 | char *tcp; | |
| 45 | register char *term; | |
| 46 | char tcb[100]; | |
| 47 | struct sgttyb sg; | |
| 48 | setbuf(stdout,malloc(BUFSIZ)); | |
| 49 | if (!(term=getenv("TERM"))) { | |
| 50 | fprintf(stderr,"%s: TERM: parameter not set\n",*argv); | |
| 51 | exit(1); | |
| 52 | } | |
| 53 | if (tgetent(malloc(1024),term)<=0) { | |
| 54 | fprintf(stderr,"%s: %s: unknown terminal type\n",*argv,term); | |
| 55 | exit(1); | |
| 56 | } | |
| 57 | tcp=tcb; | |
| 58 | if (!(CM=tgetstr("cm",&tcp))) { | |
| 59 | fprintf(stderr,"%s: terminal not capable of cursor motion\n",*argv); | |
| 60 | exit(1); | |
| 61 | } | |
| 62 | if (!(BC=tgetstr("bc",&tcp))) BC="\b"; | |
| 63 | if (!(DN=tgetstr("dn",&tcp))) DN="\n"; | |
| 64 | if (!(ND=tgetstr("nd",&tcp))) ND=" "; | |
| 65 | TE=tgetstr("te",&tcp); | |
| 66 | TI=tgetstr("ti",&tcp); | |
| 67 | UP=tgetstr("up",&tcp); | |
| 68 | if (!(LL=tgetstr("ll",&tcp))) strcpy(LL=malloc(10),tgoto(CM,0,23)); | |
| 69 | gtty(1, &sg); | |
| 70 | ospeed=sg.sg_ospeed; | |
| 71 | for (j=SIGHUP;j<=SIGTERM;j++) | |
| 72 | if (signal(j,SIG_IGN)!=SIG_IGN) signal(j,onsig); | |
| 73 | gtty(1, &old_tty); /* save tty bits for exit */ | |
| 74 | gtty(1, &sg); | |
| 75 | sg.sg_flags&=~(CRMOD|ECHO); | |
| 76 | stty(1, &sg); | |
| 77 | if (TI) fputs(TI,stdout); | |
| 78 | tputs(tgetstr("cl",&tcp),1,fputchar); | |
| 79 | fflush(stdout); | |
| 80 | for (j=5;--j>=0;) { | |
| 81 | xpos[j]=(int)(76.*ranf())+2; | |
| 82 | ypos[j]=(int)(20.*ranf())+2; | |
| 83 | } | |
| 84 | for (j=0;;) { | |
| 85 | x=(int)(76.*ranf())+2; | |
| 86 | y=(int)(20.*ranf())+2; | |
| 87 | cursor(x,y); fputchar('.'); | |
| 88 | cursor(xpos[j],ypos[j]); fputchar('o'); | |
| 89 | if (j==0) j=4; else --j; | |
| 90 | cursor(xpos[j],ypos[j]); fputchar('O'); | |
| 91 | if (j==0) j=4; else --j; | |
| 92 | cursor(xpos[j],ypos[j]-1); | |
| 93 | fputchar('-'); | |
| 94 | fputs(DN,stdout); fputs(BC,stdout); fputs(BC,stdout); | |
| 95 | fputs("|.|",stdout); | |
| 96 | fputs(DN,stdout); fputs(BC,stdout); fputs(BC,stdout); | |
| 97 | fputchar('-'); | |
| 98 | if (j==0) j=4; else --j; | |
| 99 | cursor(xpos[j],ypos[j]-2); fputchar('-'); | |
| 100 | fputs(DN,stdout); fputs(BC,stdout); fputs(BC,stdout); | |
| 101 | fputs("/ \\",stdout); | |
| 102 | cursor(xpos[j]-2,ypos[j]); | |
| 103 | fputs("| O |",stdout); | |
| 104 | cursor(xpos[j]-1,ypos[j]+1); | |
| 105 | fputs("\\ /",stdout); | |
| 106 | fputs(DN,stdout); fputs(BC,stdout); fputs(BC,stdout); | |
| 107 | fputchar('-'); | |
| 108 | if (j==0) j=4; else --j; | |
| 109 | cursor(xpos[j],ypos[j]-2); fputchar(' '); | |
| 110 | fputs(DN,stdout); fputs(BC,stdout); fputs(BC,stdout); | |
| 111 | fputchar(' '); fputs(ND,stdout); fputchar(' '); | |
| 112 | cursor(xpos[j]-2,ypos[j]); | |
| 113 | fputchar(' '); fputs(ND,stdout); fputchar(' '); | |
| 114 | fputs(ND,stdout); fputchar(' '); | |
| 115 | cursor(xpos[j]-1,ypos[j]+1); | |
| 116 | fputchar(' '); fputs(ND,stdout); fputchar(' '); | |
| 117 | fputs(DN,stdout); fputs(BC,stdout); fputs(BC,stdout); | |
| 118 | fputchar(' '); | |
| 119 | xpos[j]=x; ypos[j]=y; | |
| 120 | fflush(stdout); | |
| 121 | } | |
| 122 | } | |
| 123 | onsig(n) | |
| 124 | int n; | |
| 125 | { | |
| 126 | struct sgttyb sg; | |
| 127 | fputs(LL, stdout); | |
| 128 | if (TE) fputs(TE, stdout); | |
| 129 | fflush(stdout); | |
| 130 | stty(1, &old_tty); | |
| 131 | kill(getpid(),n); | |
| 132 | _exit(0); | |
| 133 | } | |
| 134 | fputchar(c) | |
| 135 | char c; | |
| 136 | { | |
| 137 | putchar(c); | |
| 138 | } | |
| 139 | float ranf() { | |
| 140 | return((float)rand()/2147483647.); | |
| 141 | } |