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- /*
- * Copyright (c) 1980 Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. 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.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
- */
-
- #ifndef lint
- static char sccsid[] = "@(#)ttext2.c 5.4 (Berkeley) 6/1/90";
- #endif /* not lint */
-
- #include "back.h"
-
- char *prompt, *list, *opts;
-
- char *doubl[] = {
- "\nDoubling:",
- "\n If a player thinks he is in a good position, he may double the",
- "value of the game. However, his opponent may not accept the pro-",
- "posal and forfeit the game before the price gets too high. A",
- "player must double before he rolls, and once his double has been",
- "accepted, he cannot double again, until his opponent has doubled.",
- "Thus, unless the game swings back and forth in advantage between",
- "the two players a great deal, the value of the game should be",
- "low. At any rate, the value of the game will never go above 64,",
- "or six doubles. However, if a player wins a backgammon at 64",
- "points, he wins 192 points!",
- "",
- 0};
-
- char *stragy[] = {
- "\nStrategy:",
- "\n Some general hints when playing: Try not to leave men open",
- "unless absolutely necessary. Also, it is good to make as many",
- "points as possible. Often, two men from different positions can",
- "be brought together to form a new point. Although walls (six",
- "points in a row) are difficult to form, many points nestled close-",
- "ly together produce a formidable barrier. Also, while it is good",
- "to move back men forward, doing so lessens the opportunity for you",
- "to hit men. Finally, remember that once the two player's have",
- "passed each other on the board, there is no chance of either team",
- "being hit, so the game reduces to a race off the board. Addi-",
- "tional hints on strategy are presented in the practice game.",
- "",
- 0};
-
- char *prog[] = {
- "\nThe Program and How It Works:",
- "\n A general rule of thumb is when you don't know what to do,",
- "type a question mark, and you should get some help. When it is",
- "your turn, only your color will be printed out, with nothing",
- "after it. You may double by typing a 'd', but if you type a",
- "space or newline, you will get your roll. (Remember, you must",
- "double before you roll.) Also, typing a 'r' will reprint the",
- "board, and a 'q' will quit the game. The program will type",
- "'Move:' when it wants your move, and you may indicate each die's",
- "move with <s>-<f>, where <s> is the starting position and <f> is",
- "the finishing position, or <s>/<r> where <r> is the roll made.",
- "<s>-<f1>-<f2> is short for <s>-<f1>,<f1>-<f2> and <s>/<r1><r2> is",
- "short for <s>/<r1>,<s>/<r2>. Moves may be separated by a comma",
- "or a space.",
- "",
- "\n While typing, any input which does not make sense will not be",
- "echoed, and a bell will sound instead. Also, backspacing and",
- "killing lines will echo differently than normal. You may examine",
- "the board by typing a 'r' if you have made a partial move, or be-",
- "fore you type a newline, to see what the board looks like. You",
- "must end your move with a newline. If you cannot double, your",
- "roll will always be printed, and you will not be given the oppor-",
- "tunity to double. Home and bar are represented by the appropri-",
- "ate number, 0 or 25 as the case may be, or by the letters 'h' or",
- "'b' as appropriate. You may also type 'r' or 'q' when the program",
- "types 'Move:', which has the same effect as above. Finally, you",
- "will get to decide if you want to play red or white (or both if you",
- "want to play a friend) at the beginning of the session, and you",
- "will not get to change your mind later, since the computer keeps",
- "score.",
- "",
- 0};
-
- char *lastch[] = {
- "\nTutorial (Practice Game):",
- "\n This tutorial, for simplicity's sake, will let you play one",
- "predetermined game. All the rolls have been pre-arranged, and",
- "only one response will let you advance to the next move.",
- "Although a given roll will may have several legal moves, the tu-",
- "torial will only accept one (not including the same moves in a",
- "different order), claiming that that move is 'best.' Obviously,",
- "a subjective statement. At any rate, be patient with it and have",
- "fun learning about backgammon. Also, to speed things up a lit-",
- "tle, doubling will not take place in the tutorial, so you will",
- "never get that opportunity, and quitting only leaves the tutori-",
- "al, not the game. You will still be able to play backgammon",
- "after quitting.",
- "\n This is your last chance to look over the rules before the tu-",
- "torial starts.",
- "",
- 0};
-
- text (txt)
- char **txt;
-
- {
- char **begin;
- char *a;
- char b;
- char *c;
- int i;
-
- fixtty (noech);
- begin = txt;
- while (*txt) {
- a = *(txt++);
- if (*a != '\0') {
- c = a;
- for (i = 0; *(c++) != '\0'; i--);
- writel (a);
- writec ('\n');
- } else {
- fixtty (raw);
- writel (prompt);
- for (;;) {
- if ((b = readc()) == '?') {
- if (tflag) {
- if (begscr) {
- curmove (18,0);
- clend();
- } else
- clear();
- } else
- writec ('\n');
- text (list);
- writel (prompt);
- continue;
- }
- i = 0;
- if (b == '\n')
- break;
- while (i < 11) {
- if (b == opts[i])
- break;
- i++;
- }
- if (i == 11)
- writec ('\007');
- else
- break;
- }
- if (tflag) {
- if (begscr) {
- curmove (18,0);
- clend();
- } else
- clear();
- } else
- writec ('\n');
- if (i)
- return(i);
- fixtty (noech);
- if (tflag)
- curmove (curr,0);
- begin = txt;
- }
- }
- fixtty (raw);
- return (0);
- }
-