NetBSD-5.0.2/games/mille/move.c
/* $NetBSD: move.c,v 1.15 2004/11/05 21:30:32 dsl Exp $ */
/*
* Copyright (c) 1983, 1993
* The 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. 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.
*/
#include <sys/cdefs.h>
#ifndef lint
#if 0
static char sccsid[] = "@(#)move.c 8.1 (Berkeley) 5/31/93";
#else
__RCSID("$NetBSD: move.c,v 1.15 2004/11/05 21:30:32 dsl Exp $");
#endif
#endif /* not lint */
#include <termios.h>
#ifdef DEBUG
#include <sys/param.h>
#endif
#include "mille.h"
#ifndef unctrl
#include "unctrl.h"
#endif
/*
* @(#)move.c 1.2 (Berkeley) 3/28/83
*/
#undef CTRL
#define CTRL(c) (c - 'A' + 1)
void
domove()
{
PLAY *pp;
int i, j;
bool goodplay;
pp = &Player[Play];
for (i = 0, j = 0; i < HAND_SZ; i++)
if (pp->hand[i] != -1)
j++;
if (!j) {
nextplay();
return;
}
if (Play == PLAYER)
getmove();
else
calcmove();
Next = FALSE;
goodplay = TRUE;
switch (Movetype) {
case M_DISCARD:
if (haspicked(pp)) {
if (pp->hand[Card_no] == C_INIT)
if (Card_no == 6)
Finished = TRUE;
else
error("no card there");
else {
if (is_safety(pp->hand[Card_no])) {
error("discard a safety?");
goodplay = FALSE;
break;
}
Discard = pp->hand[Card_no];
pp->hand[Card_no] = C_INIT;
Next = TRUE;
if (Play == PLAYER)
account(Discard);
}
}
else
error("must pick first");
break;
case M_PLAY:
goodplay = playcard(pp);
break;
case M_DRAW:
Card_no = 0;
if (Topcard <= Deck)
error("no more cards");
else if (haspicked(pp))
error("already picked");
else {
pp->hand[0] = *--Topcard;
#ifdef DEBUG
if (Debug)
fprintf(outf, "DOMOVE: Draw %s\n", C_name[*Topcard]);
#endif
acc:
if (Play == COMP) {
account(*Topcard);
if (is_safety(*Topcard))
pp->safety[*Topcard-S_CONV] = S_IN_HAND;
}
if (pp->hand[1] == C_INIT && Topcard > Deck) {
Card_no = 1;
pp->hand[1] = *--Topcard;
#ifdef DEBUG
if (Debug)
fprintf(outf, "DOMOVE: Draw %s\n", C_name[*Topcard]);
#endif
goto acc;
}
pp->new_battle = FALSE;
pp->new_speed = FALSE;
}
break;
case M_ORDER:
break;
}
/*
* move blank card to top by one of two methods. If the
* computer's hand was sorted, the randomness for picking
* between equally valued cards would be lost
*/
if (Order && Movetype != M_DRAW && goodplay && pp == &Player[PLAYER])
sort(pp->hand);
else
for (i = 1; i < HAND_SZ; i++)
if (pp->hand[i] == C_INIT) {
for (j = 0; pp->hand[j] == C_INIT; j++)
if (j >= HAND_SZ) {
j = 0;
break;
}
pp->hand[i] = pp->hand[j];
pp->hand[j] = C_INIT;
}
if (Topcard <= Deck)
check_go();
if (Next)
nextplay();
}
/*
* Check and see if either side can go. If they cannot,
* the game is over
*/
void
check_go()
{
CARD card;
PLAY *pp, *op;
int i;
for (pp = Player; pp < &Player[2]; pp++) {
op = (pp == &Player[COMP] ? &Player[PLAYER] : &Player[COMP]);
for (i = 0; i < HAND_SZ; i++) {
card = pp->hand[i];
if (is_safety(card) || canplay(pp, op, card)) {
#ifdef DEBUG
if (Debug) {
fprintf(outf, "CHECK_GO: can play %s (%d), ", C_name[card], card);
fprintf(outf, "is_safety(card) = %d, ", is_safety(card));
fprintf(outf, "canplay(pp, op, card) = %d\n", canplay(pp, op, card));
}
#endif
return;
}
#ifdef DEBUG
else if (Debug)
fprintf(outf, "CHECK_GO: cannot play %s\n",
C_name[card]);
#endif
}
}
Finished = TRUE;
}
int
playcard(pp)
PLAY *pp;
{
int v;
CARD card;
/*
* check and see if player has picked
*/
switch (pp->hand[Card_no]) {
default:
if (!haspicked(pp))
mustpick:
return error("must pick first");
case C_GAS_SAFE: case C_SPARE_SAFE:
case C_DRIVE_SAFE: case C_RIGHT_WAY:
break;
}
card = pp->hand[Card_no];
#ifdef DEBUG
if (Debug)
fprintf(outf, "PLAYCARD: Card = %s\n", C_name[card]);
#endif
Next = FALSE;
switch (card) {
case C_200:
if (pp->nummiles[C_200] == 2)
return error("only two 200's per hand");
case C_100: case C_75:
if (pp->speed == C_LIMIT)
return error("limit of 50");
case C_50:
if (pp->mileage + Value[card] > End)
return error("puts you over %d", End);
case C_25:
if (!pp->can_go)
return error("cannot move now");
pp->nummiles[card]++;
v = Value[card];
pp->total += v;
pp->hand_tot += v;
if ((pp->mileage += v) == End)
check_ext(FALSE);
break;
case C_GAS: case C_SPARE: case C_REPAIRS:
if (pp->battle != opposite(card))
return error("can't play \"%s\"", C_name[card]);
pp->battle = card;
if (pp->safety[S_RIGHT_WAY] == S_PLAYED)
pp->can_go = TRUE;
break;
case C_GO:
if (pp->battle != C_INIT && pp->battle != C_STOP
&& !is_repair(pp->battle))
return error("cannot play \"Go\" on a \"%s\"",
C_name[pp->battle]);
pp->battle = C_GO;
pp->can_go = TRUE;
break;
case C_END_LIMIT:
if (pp->speed != C_LIMIT)
return error("not limited");
pp->speed = C_END_LIMIT;
break;
case C_EMPTY: case C_FLAT: case C_CRASH:
case C_STOP:
pp = &Player[other(Play)];
if (!pp->can_go)
return error("opponent cannot go");
else if (pp->safety[safety(card) - S_CONV] == S_PLAYED)
protected:
return error("opponent is protected");
pp->battle = card;
pp->new_battle = TRUE;
pp->can_go = FALSE;
pp = &Player[Play];
break;
case C_LIMIT:
pp = &Player[other(Play)];
if (pp->speed == C_LIMIT)
return error("opponent has limit");
if (pp->safety[S_RIGHT_WAY] == S_PLAYED)
goto protected;
pp->speed = C_LIMIT;
pp->new_speed = TRUE;
pp = &Player[Play];
break;
case C_GAS_SAFE: case C_SPARE_SAFE:
case C_DRIVE_SAFE: case C_RIGHT_WAY:
if (pp->battle == opposite(card)
|| (card == C_RIGHT_WAY && pp->speed == C_LIMIT)) {
if (!(card == C_RIGHT_WAY && !is_repair(pp->battle))) {
pp->battle = C_GO;
pp->can_go = TRUE;
}
if (card == C_RIGHT_WAY && pp->speed == C_LIMIT)
pp->speed = C_INIT;
if (pp->new_battle
|| (pp->new_speed && card == C_RIGHT_WAY)) {
pp->coups[card - S_CONV] = TRUE;
pp->total += SC_COUP;
pp->hand_tot += SC_COUP;
pp->coupscore += SC_COUP;
}
}
/*
* if not coup, must pick first
*/
else if (pp->hand[0] == C_INIT && Topcard > Deck)
goto mustpick;
pp->safety[card - S_CONV] = S_PLAYED;
pp->total += SC_SAFETY;
pp->hand_tot += SC_SAFETY;
if ((pp->safescore += SC_SAFETY) == NUM_SAFE * SC_SAFETY) {
pp->total += SC_ALL_SAFE;
pp->hand_tot += SC_ALL_SAFE;
}
if (card == C_RIGHT_WAY) {
if (pp->speed == C_LIMIT)
pp->speed = C_INIT;
if (pp->battle == C_STOP || pp->battle == C_INIT) {
pp->can_go = TRUE;
pp->battle = C_INIT;
}
if (!pp->can_go && is_repair(pp->battle))
pp->can_go = TRUE;
}
Next = -1;
break;
case C_INIT:
error("no card there");
Next = -1;
break;
}
if (pp == &Player[PLAYER])
account(card);
pp->hand[Card_no] = C_INIT;
Next = (Next == (bool)-1 ? FALSE : TRUE);
return TRUE;
}
void
getmove()
{
char c;
#ifdef EXTRAP
static bool last_ex = FALSE; /* set if last command was E */
if (last_ex) {
undoex();
prboard();
last_ex = FALSE;
}
#endif
for (;;) {
prompt(MOVEPROMPT);
leaveok(Board, FALSE);
refresh();
while ((c = readch()) == killchar() || c == erasechar())
continue;
if (islower((unsigned char)c))
c = toupper((unsigned char)c);
if (isprint((unsigned char)c) && !isspace((unsigned char)c)) {
addch(c);
refresh();
}
switch (c) {
case 'P': /* Pick */
Movetype = M_DRAW;
goto ret;
case 'U': /* Use Card */
case 'D': /* Discard Card */
if ((Card_no = getcard()) < 0)
break;
Movetype = (c == 'U' ? M_PLAY : M_DISCARD);
goto ret;
case 'O': /* Order */
Order = !Order;
if (Window == W_SMALL) {
if (!Order)
mvwaddstr(Score, 12, 21,
"o: order hand");
else
mvwaddstr(Score, 12, 21,
"o: stop ordering");
wclrtoeol(Score);
}
Movetype = M_ORDER;
goto ret;
case 'Q': /* Quit */
rub(0); /* Same as a rubout */
break;
case 'W': /* Window toggle */
Window = nextwin(Window);
newscore();
prscore(TRUE);
wrefresh(Score);
break;
case 'R': /* Redraw screen */
case CTRL('L'):
wrefresh(curscr);
break;
case 'S': /* Save game */
On_exit = FALSE;
save();
break;
case 'E': /* Extrapolate */
#ifdef EXTRAP
if (last_ex)
break;
Finished = TRUE;
if (Window != W_FULL)
newscore();
prscore(FALSE);
wrefresh(Score);
last_ex = TRUE;
Finished = FALSE;
#else
error("%c: command not implemented", c);
#endif
break;
case '\r': /* Ignore RETURNs and */
case '\n': /* Line Feeds */
case ' ': /* Spaces */
case '\0': /* and nulls */
break;
#ifdef DEBUG
case 'Z': /* Debug code */
if (!Debug && outf == NULL) {
char buf[MAXPATHLEN];
char *sp;
prompt(FILEPROMPT);
leaveok(Board, FALSE);
refresh();
over:
sp = buf;
while ((*sp = readch()) != '\n') {
if (*sp == killchar())
goto over;
else if (*sp == erasechar()) {
if (--sp < buf)
sp = buf;
else {
addch('\b');
if (*sp < ' ')
addch('\b');
clrtoeol();
}
}
else
addstr(unctrl(*sp++));
refresh();
}
*sp = '\0';
leaveok(Board, TRUE);
if ((outf = fopen(buf, "w")) == NULL)
warn("%s", buf);
setbuf(outf, (char *)NULL);
}
Debug = !Debug;
break;
#endif
default:
error("unknown command: %s", unctrl(c));
break;
}
}
ret:
leaveok(Board, TRUE);
}
/*
* return whether or not the player has picked
*/
int
haspicked(pp)
const PLAY *pp;
{
int card;
if (Topcard <= Deck)
return TRUE;
switch (pp->hand[Card_no]) {
case C_GAS_SAFE: case C_SPARE_SAFE:
case C_DRIVE_SAFE: case C_RIGHT_WAY:
card = 1;
break;
default:
card = 0;
break;
}
return (pp->hand[card] != C_INIT);
}
void
account(card)
CARD card;
{
CARD oppos;
if (card == C_INIT)
return;
++Numseen[card];
if (Play == COMP)
switch (card) {
case C_GAS_SAFE:
case C_SPARE_SAFE:
case C_DRIVE_SAFE:
oppos = opposite(card);
Numgos += Numcards[oppos] - Numseen[oppos];
break;
case C_CRASH:
case C_FLAT:
case C_EMPTY:
case C_STOP:
Numgos++;
break;
}
}
void
prompt(promptno)
int promptno;
{
static const char *const names[] = {
">>:Move:",
"Really?",
"Another hand?",
"Another game?",
"Save game?",
"Same file?",
"file:",
"Extension?",
"Overwrite file?",
};
static int last_prompt = -1;
if (promptno == last_prompt)
move(MOVE_Y, MOVE_X + strlen(names[promptno]) + 1);
else {
move(MOVE_Y, MOVE_X);
if (promptno == MOVEPROMPT)
standout();
addstr(names[promptno]);
if (promptno == MOVEPROMPT)
standend();
addch(' ');
last_prompt = promptno;
}
clrtoeol();
}
void
sort(hand)
CARD *hand;
{
CARD *cp, *tp;
CARD temp;
cp = hand;
hand += HAND_SZ;
for ( ; cp < &hand[-1]; cp++)
for (tp = cp + 1; tp < hand; tp++)
if (*cp > *tp) {
temp = *cp;
*cp = *tp;
*tp = temp;
}
}