185 lines
8.8 KiB
C
185 lines
8.8 KiB
C
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/*
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* Copyright (c) 1980, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static char sccsid[] = "@(#)ttext1.c 8.1 (Berkeley) 5/31/93";
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#endif /* not lint */
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#include "back.h"
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char *opts = " QIMRHEDSPT";
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char *prompt = "-->";
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char *list[] = {
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"\n\n\tI\tIntroduction to Backgammon",
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"\tM\tMoves and Points",
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"\tR\tRemoving Men from the Board",
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"\tH\tHitting Blots",
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"\tE\tEnding the Game and Scoring",
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"\tD\tDoubling",
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"\tS\tStrategy",
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"\tP\tThe Program and How to Use It",
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"\nalso, you can type:",
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"\t?\tto get this list",
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"\tQ\tto go start playing",
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"\tT\tto go straight to the tutorial",
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0
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};
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char *hello[] = {
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"\n\032 These rules consist of text describing how to play Backgammon",
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"followed by a tutorial session where you play a practice game",
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"against the computer. When using this program, think carefuly",
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"before typing, since it reacts as soon as you type something. In",
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"addition, the program presents text output, such as these rules,",
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"in small blocks that will not roll off the top of the screen.",
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"Frequently, you will see the characters '-->' indicating that the",
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"program is waiting for you to finish reading, and will continue",
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"printing when you type a space or newline. Also, the rules are",
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"divided into sections, and although you should read them in or-",
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"der, you can go directly to any of them by typing one of the fol-",
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"lowing letters:",
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"(Remember to hit a space or a newline to continue.)",
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"",
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0
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};
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char *intro1[] = {
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"\nIntroduction:",
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"\n Backgammon is a game involving the skill of two players and",
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"the luck of two dice. There are two players, red and white, and",
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"each player gets fifteen men. The object of the game is to re-",
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"move all your men from the board before the opponent does. The",
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"board consists of twenty-four positions, a 'bar' and a 'home' for",
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"each player. It looks like this:",
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"",
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0};
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char *intro2[] = {
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"",
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"\n Although not indicated on the board, the players' homes are",
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"located just to the right of the board. A player's men are placed",
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"there when they are removed from the board. The board you just",
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"saw was in it's initial position. All games start with the board",
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"looking like this. Notice that red's pieces are represented by the",
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"letter 'r' and white's pieces are represented by the letter 'w'.",
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"Also, a position may have zero or more pieces on it, e.g. posi-",
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"tion 12 has five red pieces on it, while position 11 does not",
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"have any pieces of either color.",
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"",
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0};
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char *moves[] = {
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"\nMoves and Points:",
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"\n Moves are made along the positions on the board according to",
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"their numbers. Red moves in the positive direction (clockwise",
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"from 1 to 24), and white moves in the negative direction (coun-",
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"terclockwise from 24 to 1).",
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"\n A turn consists of rolling the dice, and moving the number of",
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"positions indicated on each die. The two numbers can be used to",
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"move one man the sum of the two rolls, or two men the number on",
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"each individual die. For example, if red rolled 6 3 at the start",
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"of the game, he might move a man from 1 to 7 to 10, using both",
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"dice for one man, or he might move two men from position 12, one",
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"to 15 and one to 18. (Red did not have to choose two men start-",
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"ing from the same position.) In addition, doubles are treated",
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"specially in backgammon. When a player rolls doubles, he gets to",
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"move as if he had four dice instead of two. For instance, if you",
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"rolled double 2's, you could move one man eight positions, four",
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"men two positions each, or any permutation in between.",
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"",
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"\n However, there are certain limitations, called 'points.' A",
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"player has a point when he has two or more men on the same posi-",
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"tion. This gives him custody of that position, and his opponent",
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"cannot place his men there, even if passing through on the way to",
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"another position. When a player has six points in a row, it is",
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"called a 'wall,' since any of his opponent's men behind the wall",
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"cannot pass it and are trapped, at least for the moment. Notice",
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"that this could mean that a player could not use part or all of",
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"his roll. However, he must use as much of his roll as possible.",
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"",
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0};
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char *remove[] = {
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"\nRemoving Men from the Board:",
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"\n The most important part of the game is removing men, since",
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"that is how you win the game. Once a man is removed, he stays",
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"off the board for the duration of the game. However, a player",
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"cannot remove men until all his men are on his 'inner table,' or",
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"the last six positions of the board (19-24 for red, 6-1 for",
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"white).",
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"\n To get off the board, a player must roll the exact number to",
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"get his man one position past the last position on the board, or",
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"his 'home.' Hence, if red wanted to remove a man from position",
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"23, he would have to roll a 2, anything else would be used for",
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"another man, or for another purpose. However, there is one ex-",
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"ception. If the player rolling has no men far enough to move the",
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"roll made, he may move his farthest man off the board. For exam-",
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"ple, if red's farthest man back was on position 21, he could re-",
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"move men from that position if he rolled a 5 or a 6, as well as a",
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"4. Since he does not have men on 20 (where he could use a 5) or",
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"on 19 (where he could use a 6), he can use these rolls for posi-",
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"tion 21. A player never has to remove men, but he must make as",
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"many moves as possible.",
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"",
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0};
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char *hits[] = {
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"\nHitting Blots:",
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"\n Although two men on a position form an impenetrable point, a",
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"lone man is not so secure. Such a man is called a 'blot' and has",
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"the potential of getting hit by an opposing man. When a player's",
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"blot is hit, he is placed on the bar, and the first thing that",
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"player must do is move the man off the bar. Such moves are",
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"counted as if the bar is one position behind the first position",
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"on the board. Thus if red has a man on the bar and rolls 2 3, he",
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"must move the man on the bar to position 2 or 3 before moving any",
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"other man. If white had points on positions 2 and 3, then red",
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"would forfeit his turn. Being on the bar is a very bad position,",
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"for often a player can lose many turns trying to move off the",
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"bar, as well as being set back the full distance of the board.",
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"",
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0};
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char *endgame[] = {
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"\nEnding the Game and Scoring:",
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"\n Winning a game usually wins one point, the normal value of a",
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"game. However, if the losing player has not removed any men yet,",
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"then the winning player wins double the game value, called a",
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"'gammon.' If the losing player has a player on the bar or on the",
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"winner's inner table, then the winner gets triple the game value,",
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"which is called a 'backgammon.' (So that's where the name comes",
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"from!)",
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"",
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0};
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