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Annotation of 43BSDReno/games/hunt/driver/terminal.c, revision 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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