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/* $Id: textmain.c,v 1.2 2007-06-13 18:29:52 sverrehu Exp $ */
/**************************************************************************
*
* FILE textmain.c
* MODULE OF The board game Mancala
*
* DESCRIPTION Main function / frontend for using a textbased display.
*
* WRITTEN BY Sverre H. Huseby
*
**************************************************************************/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include "minimax.h"
#include "mancala.h"
/**************************************************************************
* *
* P R I V A T E F U N C T I O N S *
* *
**************************************************************************/
/*-------------------------------------------------------------------------
*
* NAME showBoard
*
* FUNCTION Display the current board on screen.
*
* DESCRIPTION Very simple thing.
*/
static void showBoard(void)
{
int q;
printf(" ");
for (q = 0; q < MAX_HOLES; q++)
printf((q < MAX_HOLES - 1) ? "%c:%2d | " : "%c:%2d\n",
'a' + MAX_HOLES - q - 1, getHole(1, q));
printf(" %2d ", getMancala(1));
for (q = 0; q < MAX_HOLES; q++)
printf((q < MAX_HOLES - 1) ? "-----+-" : "----");
printf(" %2d\n", getMancala(0));
printf(" ");
for (q = 0; q < MAX_HOLES; q++)
printf((q < MAX_HOLES - 1) ? "%c:%2d | " : "%c:%2d\n",
'a' + q, getHole(0, MAX_HOLES - q - 1));
}
/**************************************************************************
* *
* P U B L I C F U N C T I O N S *
* *
**************************************************************************/
int main(int argc, char *argv[])
{
char s[80];
char playerName[2][20] = { "player at bottom", "player at top" };
int maxPly[2] = { MAX_DEPTH, MAX_DEPTH }, status;
int stones_pr_hole = STONES_PR_HOLE;
PMove move;
Move move2;
Player player, winner;
if (argc == 2)
maxPly[0] = maxPly[1] = atoi(argv[1]);
else if (argc == 3) {
maxPly[1] = atoi(argv[1]);
maxPly[0] = atoi(argv[2]);
} else if (argc == 4) {
maxPly[1] = atoi(argv[1]);
maxPly[0] = atoi(argv[2]);
stones_pr_hole = atoi(argv[3]);
} else {
printf("usage: mancala max-ply\n"
" mancala max-ply-top max-ply-bottom\n"
" mancala max-ply-top max-ply-bottom number-of-stones\n"
"\n"
"max-ply of 0 indicates human user.\n"
"Player at top starts.\n"
"\n");
return 1;
}
if (stones_pr_hole < 1) {
fprintf(stderr,
"mancala: the number of stones per hole must be greater "
"than zero\n");
return 1;
}
if (maxPly[0] < 0 || maxPly[1] < 0) {
fprintf(stderr,
"mancala: max-ply must be no less than zero\n");
return 1;
}
initGame(stones_pr_hole);
player = 1;
for (;;) {
showBoard();
printf("\n");
if ((status = checkAndFixWin(&winner)) != 0) {
printf("=== Game over; ");
if (status == 1)
printf("%s wins", playerName[winner]);
else
printf("we have a draw");
printf(" ===\n\n");
showBoard();
printf("\n");
return 0;
}
printf("Move for %s: ", playerName[player]);
if (!maxPly[player]) {
move = &move2;
for (;;) {
if (fgets(s, 80, stdin) == NULL) {
printf("\nBye.\n");
return 0;
}
move->hole = 'A' + (MAX_HOLES - 1) - toupper(s[0]);
if (legalMove(player, move))
break;
printf("not a legal move. try again: ");
}
printf("\n");
} else {
move = getBestMove(player, maxPly[player]);
printf("%c\n\n", 'A' + (MAX_HOLES - 1) - move->hole);
}
player = doMove(player, move);
}
return 0;
}
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