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Annotation of 43BSDTahoe/games/hunt/terminal.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1985 Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms are permitted
                      6:  * provided that the above copyright notice and this paragraph are
                      7:  * duplicated in all such forms and that any documentation,
                      8:  * advertising materials, and other materials related to such
                      9:  * distribution and use acknowledge that the software was developed
                     10:  * by the University of California, Berkeley.  The name of the
                     11:  * University may not be used to endorse or promote products derived
                     12:  * from this software without specific prior written permission.
                     13:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     14:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     15:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     16:  */
                     17: 
                     18: #ifndef lint
                     19: static char sccsid[] = "@(#)terminal.c 5.2 (Berkeley) 6/27/88";
                     20: #endif /* not lint */
                     21: 
                     22: /*
                     23:  *  Hunt
                     24:  *  Copyright (c) 1985 Conrad C. Huang, Gregory S. Couch, Kenneth C.R.C. Arnold
                     25:  *  San Francisco, California
                     26:  */
                     27: 
                     28: # include      "hunt.h"
                     29: # define       TERM_WIDTH      80      /* Assume terminals are 80-char wide */
                     30: 
                     31: /*
                     32:  * cgoto:
                     33:  *     Move the cursor to the given position on the given player's
                     34:  *     terminal.
                     35:  */
                     36: cgoto(pp, y, x)
                     37: register PLAYER        *pp;
                     38: register int   y, x;
                     39: {
                     40:        if (x == pp->p_curx && y == pp->p_cury)
                     41:                return;
                     42:        sendcom(pp, MOVE, y, x);
                     43:        pp->p_cury = y;
                     44:        pp->p_curx = x;
                     45: }
                     46: 
                     47: /*
                     48:  * outch:
                     49:  *     Put out a single character.
                     50:  */
                     51: outch(pp, ch)
                     52: register PLAYER        *pp;
                     53: char           ch;
                     54: {
                     55:        if (++pp->p_curx >= TERM_WIDTH) {
                     56:                pp->p_curx = 0;
                     57:                pp->p_cury++;
                     58:        }
                     59:        (void) putc(ch, pp->p_output);
                     60: }
                     61: 
                     62: /*
                     63:  * outstr:
                     64:  *     Put out a string of the given length.
                     65:  */
                     66: outstr(pp, str, len)
                     67: register PLAYER        *pp;
                     68: register char  *str;
                     69: register int   len;
                     70: {
                     71:        pp->p_curx += len;
                     72:        pp->p_cury += (pp->p_curx / TERM_WIDTH);
                     73:        pp->p_curx %= TERM_WIDTH;
                     74:        while (len--)
                     75:                (void) putc(*str++, pp->p_output);
                     76: }
                     77: 
                     78: /*
                     79:  * clrscr:
                     80:  *     Clear the screen, and reset the current position on the screen.
                     81:  */
                     82: clrscr(pp)
                     83: register PLAYER        *pp;
                     84: {
                     85:        sendcom(pp, CLEAR);
                     86:        pp->p_cury = 0;
                     87:        pp->p_curx = 0;
                     88: }
                     89: 
                     90: /*
                     91:  * ce:
                     92:  *     Clear to the end of the line
                     93:  */
                     94: ce(pp)
                     95: PLAYER *pp;
                     96: {
                     97:        sendcom(pp, CLRTOEOL);
                     98: }
                     99: 
                    100: /*
                    101:  * ref;
                    102:  *     Refresh the screen
                    103:  */
                    104: ref(pp)
                    105: register PLAYER        *pp;
                    106: {
                    107:        sendcom(pp, REFRESH);
                    108: }
                    109: 
                    110: /*
                    111:  * sendcom:
                    112:  *     Send a command to the given user
                    113:  */
                    114: /* VARARGS2 */
                    115: sendcom(pp, command, arg1, arg2)
                    116: register PLAYER                *pp;
                    117: register int   command;
                    118: int                    arg1, arg2;
                    119: {
                    120:        (void) putc(command, pp->p_output);
                    121:        switch (command & 0377) {
                    122:          case MOVE:
                    123:                (void) putc(arg1, pp->p_output);
                    124:                (void) putc(arg2, pp->p_output);
                    125:                break;
                    126:          case ADDCH:
                    127:          case READY:
                    128:                (void) putc(arg1, pp->p_output);
                    129:                break;
                    130:        }
                    131: }

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