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gomoku: add type player_color 

No functional change.
This commit is contained in:
rillig 2022-05-29 15:31:12 +00:00
parent da7913c09e
commit 6b2dc434d3
3 changed files with 20 additions and 17 deletions
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9
games/gomoku/gomoku.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: gomoku.h,v 1.52 2022/05/29 14:50:37 rillig Exp $ */
/* $NetBSD: gomoku.h,v 1.53 2022/05/29 15:31:12 rillig Exp $ */
/*
* Copyright (c) 1994
@ -63,6 +63,9 @@
#define EMPTY 2
#define BORDER 3
/* Either BLACK or WHITE. */
typedef unsigned char player_color;
/* A spot on the board, or one of the special values below. */
typedef unsigned short spot_index;
#define PT(x, y) ((x) + (BSZ + 1) * (y))
@ -267,10 +270,10 @@ void debuglog(const char *, ...) __printflike(1, 2);
void whatsup(int);
const char *stoc(spot_index);
spot_index ctos(const char *);
int makemove(int, spot_index);
int makemove(player_color, spot_index);
void clearcombo(struct combostr *, int);
void markcombo(struct combostr *);
int pickmove(int);
spot_index pickmove(player_color);
#if defined(DEBUG)
void printcombo(struct combostr *, char *, size_t);
#endif

8
games/gomoku/makemove.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: makemove.c,v 1.40 2022/05/29 14:37:44 rillig Exp $ */
/* $NetBSD: makemove.c,v 1.41 2022/05/29 15:31:12 rillig Exp $ */
/*
* Copyright (c) 1994
@ -34,7 +34,7 @@
#include <sys/cdefs.h>
/* @(#)makemove.c 8.2 (Berkeley) 5/3/95 */
__RCSID("$NetBSD: makemove.c,v 1.40 2022/05/29 14:37:44 rillig Exp $");
__RCSID("$NetBSD: makemove.c,v 1.41 2022/05/29 15:31:12 rillig Exp $");
#include "gomoku.h"
@ -97,7 +97,7 @@ old_weight_value(const struct spotstr *sp, direction r)
* TIE The game is a tie.
*/
int
makemove(int us, spot_index mv)
makemove(player_color us, spot_index mv)
{
/* check for end of game */
@ -161,7 +161,7 @@ makemove(int us, spot_index mv)
}
/* compute new value & combo number for this frame & color */
int them = us != BLACK ? BLACK : WHITE;
player_color them = us != BLACK ? BLACK : WHITE;
fsp->s_fval[them][r].s = 0x600;
union comboval *cp = &fsp->s_fval[us][r];
/* both ends open? */

20
games/gomoku/pickmove.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: pickmove.c,v 1.60 2022/05/29 15:16:11 rillig Exp $ */
/* $NetBSD: pickmove.c,v 1.61 2022/05/29 15:31:12 rillig Exp $ */
/*
* Copyright (c) 1994
@ -34,7 +34,7 @@
#include <sys/cdefs.h>
/* @(#)pickmove.c 8.2 (Berkeley) 5/3/95 */
__RCSID("$NetBSD: pickmove.c,v 1.60 2022/05/29 15:16:11 rillig Exp $");
__RCSID("$NetBSD: pickmove.c,v 1.61 2022/05/29 15:31:12 rillig Exp $");
#include <stdlib.h>
#include <string.h>
@ -61,14 +61,14 @@ struct overlap_info {
static struct combostr *hashcombos[FAREA];/* hash list for finding duplicates */
static struct combostr *sortcombos; /* combos at higher levels */
static int combolen; /* number of combos in sortcombos */
static int nextcolor; /* color of next move */
static player_color nextcolor; /* color of next move */
static int elistcnt; /* count of struct elist allocated */
static int combocnt; /* count of struct combostr allocated */
static unsigned int forcemap[MAPSZ]; /* map for blocking <1,x> combos */
static unsigned int tmpmap[MAPSZ]; /* map for blocking <1,x> combos */
static int nforce; /* count of opponent <1,x> combos */
static bool better(spot_index, spot_index, int);
static bool better(spot_index, spot_index, player_color);
static void scanframes(int);
static void makecombo2(struct combostr *, struct spotstr *, int, int);
static void addframes(unsigned int);
@ -83,8 +83,8 @@ static bool sortcombo(struct combostr **, struct combostr **, struct combostr *)
static void printcombo(struct combostr *, char *, size_t);
#endif
int
pickmove(int us)
spot_index
pickmove(player_color us)
{
/* first move is easy */
@ -161,7 +161,7 @@ pickmove(int us)
* all be blocked with one move.
*/
spot_index m = us == BLACK ? s2 : s1;
int them = us != BLACK ? BLACK : WHITE;
player_color them = us != BLACK ? BLACK : WHITE;
if (board[m].s_combo[them].cv_force == 1 &&
!BIT_TEST(forcemap, m))
debuglog("*** Can't be blocked");
@ -192,10 +192,10 @@ pickmove(int us)
}
/*
* Return true if spot 'sp' is better than spot 'sp1' for color 'us'.
* Return true if spot 's' is better than spot 's1' for color 'us'.
*/
static bool
better(spot_index s, spot_index s1, int us)
better(spot_index s, spot_index s1, player_color us)
{
const struct spotstr *sp = &board[s], *sp1 = &board[s1];
@ -206,7 +206,7 @@ better(spot_index s, spot_index s1, int us)
if (/* .... */ sp->s_nforce[us] != sp1->s_nforce[us])
return sp->s_nforce[us] > sp1->s_nforce[us];
int them = us != BLACK ? BLACK : WHITE;
player_color them = us != BLACK ? BLACK : WHITE;
if (BIT_TEST(forcemap, s) != BIT_TEST(forcemap, s1))
return BIT_TEST(forcemap, s);