/*****************************************************************/\r
\r
#define MULTIPATH\r
-#define VERSION "4.8P"\r
+#define VERSION "4.8S"\r
\r
#include <stdio.h>\r
#include <stdlib.h>\r
\r
#ifdef WIN32 \r
# include <windows.h>\r
+# define CPUtime 1000.*clock\r
#else\r
# include <sys/time.h>\r
+# include <sys/times.h>\r
+# include <unistd.h>\r
int GetTickCount() // with thanks to Tord\r
{ struct timeval t;\r
gettimeofday(&t, NULL);\r
return t.tv_sec*1000 + t.tv_usec/1000;\r
}\r
+ double CPUtime()\r
+ { // get CPU time used by process, converted to 'MILLICLOCKS'\r
+ struct tms cpuTimes;\r
+ static int cps = 0;\r
+ if(!cps) cps = sysconf(_SC_CLK_TCK);\r
+ times(&cpuTimes);\r
+ return ((double)(cpuTimes.tms_utime + cpuTimes.tms_stime) * CLOCKS_PER_SEC * 1000)/cps;\r
+ }\r
#endif\r
\r
int StartKey;\r
#endif\r
\r
/* make unique integer from engine move representation */\r
-#define PACK_MOVE 256*K + L;\r
+#define PACK_MOVE 256*K + L + (PromPiece << 16) + (GT<<24);\r
\r
/* convert intger argument back to engine move representation */\r
-#define UNPACK_MOVE(A) K = (A)>>8 & 255; L = (A) & 255;\r
+#define UNPACK_MOVE(A) K = (A)>>8 & 255; L = (A) & 255; PromPiece = (A)>>16 & 255; GT = (A)>>24 & 255;\r
\r
/* Global variables visible to engine. Normally they */\r
/* would be replaced by the names under which these */\r
int MaxDepth;\r
int Post;\r
int Fifty;\r
-int UnderProm;\r
int GameNr;\r
int Resign;\r
+char Cambodian[80] = "makruk";\r
int Threshold = 800;\r
int Score;\r
int makruk;\r
-int prom, pm;\r
+int prom, pm, gating, succession;\r
char piecename[32], piecetype[32], blacktype[32];\r
char selectedFairy[80];\r
char *inifile = INI_FILE;\r
int U=(1<<23)-1;\r
struct _ {int K,V;char X,Y,D,F;} *A; /* hash table, 16M+8 entries*/\r
\r
-int M=136,S=128,I=8e3,Q,O,K,N,j,R,J,Z,LL, /* M=0x88 */\r
+int M=136,S=128,I=8e3,Q,O,K,N,j,R,J,Z,LL,GT, /* M=0x88 */\r
BW,BH,sh,\r
w[16]={0,2,2,-1,7,8,12,23,7,5}, /* relative piece values */\r
o[256],\r
int pv[10000],*sp=pv; // triangular array\r
int margin;\r
\r
-pboard()\r
+void pboard()\r
{int i;\r
i=-1;W(++i<128)printf(" %c",(i&15)==BW&&(i+=15-BW)?10:n[b[i]&31]);\r
}\r
int k,q,l,e,E,z,n; /* (q,l)=window, e=current eval. score, E=e.p. sqr.*/\r
{ /* e=score, z=prev.dest; J,Z=hashkeys; return score*/\r
int j,r,m,v,d,h,i,F,G,P,V,f=J,g=Z,C,s,flag,FF,*ps=sp,kk=S;\r
- signed char t,p,u,x,y,X,Y,H,B;\r
- struct _*a=A+(J+(k+S)*E&U-1); /* lookup pos. in hash table*/\r
+ signed char t,p,u,x,y,X,Y,H,B,gt,rg,rk;\r
+ struct _*a=A+(J+(k+S)*E&U); /* lookup pos. in hash table*/\r
*sp++=0;\r
q-=q<e;l-=l<=e; /* adj. window: delay bonus */\r
d=a->D;m=a->V;X=a->F;Y=a->Y; /* resume at stored depth */\r
W(r=o[++j]) /* loop over directions o[] */\r
{A: /* resume normal after best */\r
flag=h?3:of[j]; /* move modes (for fairies) */\r
- y=x;F=FF=G=S; /* (x,y)=move, (F,G)=castl.R*/\r
+ y=x;F=FF=G=S;rg=flag>>10&3; /* (x,y)=move, (F,G)=castl.R*/\r
do{ /* y traverses ray, or: */\r
H=y=h?Y^h:y+r; /* sneak in prev. best move */\r
if(flag&1<<8)H=y=(y&15)>13?y+BW:(y&15)>=BW?y-BW:y; /* cylinder board */\r
}\r
#endif\r
m=E<16|(E^112)<16&&flag&1&y-E<2&E-y<2?I:m; /* bad castling */\r
- if(p<3&y==E)H=z&127; /* shift capt.sqr. H if e.p.*/\r
+ if(p<3&y==E&flag)H=z&127; /* shift capt.sqr. H if e.p.*/\r
t=b[H];\r
if(flag&1+!t) /* mode (capt/nonc) allowed?*/\r
{if(t&&(t&16)==k)break; /* capture own */\r
if(m>=l&d>1)goto C; /* abort on fail high */\r
v=d-1?e:i-p; /*** MVV/LVA scoring if d=1**/\r
if(d-!t>1) /*** all captures if d=2 ***/\r
- {v=centr[p]?b[x+257]-b[y+257]:0; /* center positional pts. */\r
- if(!(G&S))b[FF]=b[G],v+=50; /* castling: put R & score */\r
- b[G]=b[H]=b[x]=0;b[y]=u|32; /* do move, set non-virgin */\r
+ {v=gt=0;G: /* retry move with gating */\r
+ v+=centr[p]?b[x+257]-b[y+257]:0; /* center positional pts. */\r
+ if(G-S)b[FF]=(rk=b[G])|32,v+=50; /* castling: put R & score */\r
+ b[G]=b[H]=0;b[x]=gt;b[y]=u|32; /* do move, set non-virgin */\r
pl[t&31]-=!!t; /* updat victim piece count */\r
v-=w[p]>0|R<EG?0:20; /*** freeze K in mid-game ***/\r
if(p<3) /* pawns: */\r
v+=e+i;V=m>q?m:q; /*** new eval & alpha ****/\r
if(z&S)V=m-margin>q?m-margin:q; /* multiPV */\r
C=d-1-(d>5&p>2&!t&!h); /* nw depth, reduce non-cpt.*/\r
- C=R<EG|P-I|d<3||t&&p-3?C:d; /* extend 1 ply if in-check */\r
+ C=R<EG|P-I|d<3||t&&w[p]>0?C:d; /* extend 1 ply if in-check */\r
do\r
s=C>2|v>V?-D(16-k,-l,-V,-v,/*** futility, recursive eval. of reply */\r
F,y&255,C):v;\r
*ps=256*x+y;\r
}\r
if(z&S&&K-I) /* move pending: check legal*/\r
- {if(v+I&&x==K&y==L) /* if move found */\r
- {Q=-e-i;O=F;LL=L;prom=0;\r
- if(b[y]-u&15)prom=b[y]-=PromPiece, /* under-promotion, correct */\r
- J+=PromPiece; /* piece & invalidate hash */\r
+ {if(v+I&&x==K&y==L>==GT) /* if move found */\r
+ {Q=-e-i;O=F;LL=L;prom=gt;\r
+ if(b[y]-u&15)prom=b[y]-=PromPiece, /* (under-)promotion: */\r
+ Q-=abs(w[prom&=15])-w[p]-(6*S>>sh), /* correct piece & score & */\r
+ Z+=PromPiece; /* invalidate hash */\r
a->D=99;a->V=0; /* lock game in hash as draw*/\r
R-=i/FAC; /*** total captd material ***/\r
Fifty = t|p<3?0:Fifty+1;\r
return l;} /* & not in check, signal */\r
v=m; /* (prevent fail-lows on */\r
} /* K-capt. replies) */\r
- J=f;Z=g;\r
SHAMAX( pl[k]+=!!t; ) pl[t&31]+=!!t;\r
- b[G]=b[FF];b[FF]=b[y]=0;b[x]=u;b[H]=t; /* undo move,G can be dummy */\r
+ b[G]=rk;b[FF]=b[y]=0;b[x]=u;b[H]=t; /* undo move,G can be dummy */\r
} /* if non-castling */\r
- if(z&S&&Post&K==I&d>2&v>V&v<l){int *p=ps;char X,Y;\r
- printf("%2d ",d-2);\r
- printf("%6d ",v);\r
- printf("%8d %10d",(GetTickCount()-Ticks)/10,N);\r
- while(*p){X=*p>>8;Y=*p++;\r
- printf(" %c%c%c%c",'a'+(X&15),'8'-(X>>4),'a'+(Y&15),'8'-(Y>>4&7));}\r
- printf("\n");fflush(stdout);\r
+ if(z&S&&K==I&d>2&v>V&v<l){int *p=ps;char X,Y;\r
+ if(Post){\r
+ printf("%2d ",d-2);\r
+ printf("%6d ",v);\r
+ printf("%8d %10d",(GetTickCount()-Ticks)/10,N);\r
+ while(*p){X=*p>>8;Y=*p++;\r
+ printf(" %c%c%c%c",'a'+(X&15),'8'-(X>>4),'a'+(Y&15),'8'-(Y>>4&7));}\r
+ printf("\n");fflush(stdout);\r
+ }GT=gt; /* In root, remember gated */\r
}\r
if(v>m) /* new best, update max,best*/\r
m=v,X=x,Y=y|S&F; /* mark non-double with S */\r
+ if(gating&&!(u&32)&&p>2&&d-!t>1){ /* virgin non-Pawn: gate */\r
+ pl[(gt|=k+40)-27]++; /* prev. gated back in hand */\r
+ if(m>=l)goto C; /* loop skips cutoff :-( */\r
+ W(++gt<k+43)if(pl[gt-27]){ /* look if more to gate */\r
+ pl[gt-27]--;v=10;goto G; /* remove from hand & retry */\r
+ }}\r
+ J=f;Z=g;\r
if(h){h=0;goto A;} /* redo after doing old best*/\r
}\r
s=t;v=r^flag>>12; /* calc. alternated vector */\r
if(flag&15^4|u&32|| /* no double or moved before*/\r
- p>2&& /* no P & no lateral K move,*/\r
+ p>2&!(flag&S)&& /* no P & no virgin jump, */\r
((b[G=r<0?x&~15:BW-1|x&112]^32)<33 /* no virgin R in corner G, */\r
||b[G^1]|b[G^2]|b[FF=y+v-r]) /* no 2 empty sq. next to R */\r
)t+=flag&4; /* fake capt. for nonsliding*/\r
else if(flag&64)t=flag&128?0:t,flag&=63;else F=y; /* enable e.p. */\r
if(s&&flag&8)t=0,flag^=flag>>4&15; /* hoppers go to next phase */\r
- if(!(flag&S)) /* zig-zag piece? */\r
+ if(--rg<0&!(flag&S)) /* zig-zag piece? (w. delay)*/\r
r=v,flag^=flag>>4&15; /* alternate vector & mode */\r
}W(!t); /* if not capt. continue ray*/\r
}}\r
\r
int PrintResult(int s)\r
{\r
- int i, j, k, cnt=0;\r
+ int j, k, cnt=0;\r
\r
/* search last 50 states with this stm for third repeat */\r
for(j=2; j<=100 && j <= HistPtr; j+=2)\r
}\r
differs: ;\r
}\r
+\r
K=I;\r
cnt = D(s,-I,I,Q,O,LL|4*S,3);\r
#ifdef SHATRANJ\r
if(cnt==-I+1) {\r
if (s == WHITE)\r
printf("0-1 {Black mates}\n");\r
- else\r
+ else {\r
+ if(succession) { // suppress loss claim if black might be able to replace its King by promotion\r
+ for(j=0;j<BW;j++)if((b[j+96]&31)==18)return 0;\r
+ }\r
printf("1-0 {White mates}\n");\r
+ }\r
return 3;\r
}\r
if(Fifty >=100) {\r
}\r
\r
\r
-InitEngine()\r
+void InitEngine()\r
{\r
- int i, j;\r
-\r
N=32*S+7;W(N-->S+3)T[N]=rand()>>9;\r
srand(GetTickCount());\r
}\r
\r
-InitGame()\r
+void InitGame()\r
{\r
- int i,j,k=0;\r
+ int i,k=0;\r
\r
Side = WHITE; Q=0; O=S;\r
Fifty = 0; R = 0;\r
for(i=0;i<16*BH;i++)b[i]=0;\r
for(i=0;i<32;i++)pl[i]=0;\r
K=BW;W(K--)\r
- {b[K]=oo[K+16]+16;b[K+112]=oo[K];b[K+16]=18;b[K+96]=1; /* initial board setup*/\r
+ {b[K]=oo[K+16]+16;b[K+112]=oo[K];b[K+16+16*!!makruk]=18;b[K+96-16*!!makruk]=1; /* initial board setup*/\r
pl[oo[K+16]+16]++;pl[oo[K]]++;pl[18]++;pl[1]++;\r
if(w[oo[K+16]+16] == -1)pl[oo[K+16]+16]=1;\r
if(w[oo[K]] == -1)pl[oo[K]]=1;\r
if(w[oo[i]] < 0) k = w[oo[i]];\r
}\r
R -= 2*(-k/FAC);\r
- UnderProm = -1; pl[WHITE] = pl[BLACK] = 2*BW; \r
+ pl[WHITE] = pl[BLACK] = 2*BW; \r
pm = !pl[BLACK+7] && pl[BLACK+9] && pl[WHITE+7] ? 2 : 0; // Unlike white, black has no 'Q', so promote to 9, which he does have.\r
+ if(gating) pl[14] = pl[15] = pl[30] = pl[31] = 1, R += 2*(w[9]/FAC + w[10]/FAC);\r
}\r
\r
void CopyBoard(int s)\r
{\r
- int i, j, k, cnt=0;\r
+ int i, j;\r
\r
/* copy game representation of engine to HistoryBoard */\r
/* don't forget castling rights and e.p. state! */\r
\r
void PrintVariants(int combo)\r
{\r
- int i, j, count=0, total=0; char c, buf[80];\r
+ int count=0, total=0; char c=EOF+1, buf[80];\r
FILE *f;\r
\r
f = fopen(INI_FILE, "r");\r
while((c = fgetc(f)) != EOF && c != '\n');\r
if(c == EOF) break;\r
total++;\r
- if(combo == (strstr(buf, "fairy/") != buf)) continue;\r
+ if(*buf < 'a' || combo == (strstr(buf, "fairy/") != buf)) continue;\r
if(combo && count == 0) strcpy(selectedFairy, buf);\r
if(count++) printf(combo ? " /// " : ",");\r
printf("%s", combo ? buf+6 : buf);\r
printf("feature option=\"Ini File -file %s\"\n", inifile);\r
printf("feature option=\"Multi-PV Margin -spin %d 0 1000\"\n", margin);\r
printf("feature option=\"Variant fairy selects -combo "); PrintVariants(1); printf("\"\n");\r
+ printf("feature option=\"Makruk rules -combo makruk /// Cambodian /// Ai-wok\"\n");\r
printf("feature option=\"Dummy Slider Example -slider 20 0 100\"\n");\r
printf("feature option=\"Dummy String Example -string happy birthday!\"\n");\r
printf("feature option=\"Dummy Path Example -path .\"\n");\r
printf("feature done=1\n");\r
}\r
\r
-int LoadGame(char *name)\r
+void LoadGame(char *name)\r
{\r
- int i, j, ptc, count=0; char c, buf[80], pieceToChar[80];\r
+ int i, j, ptc, count=0; char c, buf[80], pieceToChar[80], parent[80];\r
static int currentVariant;\r
FILE *f;\r
\r
f = fopen(inifile, "r");\r
if(f==NULL)\r
- { printf("telluser piece-desription file '%s' not found\n", inifile);\r
+ { printf("telluser piece-description file '%s' not found\n", inifile);\r
exit(0);\r
}\r
if(fscanf(f, "version 4.8(%c)", &c)!=1 || c != 'w')\r
{ printf("telluser incompatible fmax.ini file\n"); exit(0); }\r
\r
+ gating = succession = 0;\r
if(name != NULL)\r
{ /* search for game name in definition file */\r
+ if(!strcmp(name, "makruk")) name = Cambodian; else\r
if(!strcmp(name, "fairy")) name = selectedFairy;\r
- while((ptc=fscanf(f, "Game: %s # %s", buf, pieceToChar))==0 || strcmp(name, buf) ) {\r
+ gating = !strcmp(name, "seirawan");\r
+ while((ptc=fscanf(f, "Game: %s # %s # %s", buf, pieceToChar, parent))==0 || strcmp(name, buf) ) {\r
while((c = fgetc(f)) != EOF && c != '\n');\r
count++;\r
if(c == EOF) {\r
/* We have found variant, or if none specified, are at beginning of file */\r
if(fscanf(f, "%dx%d", &BW, &BH)!=2 || BW>12 || BH!=8)\r
{ printf("telluser unsupported board size %dx%d\n",BW,BH); exit(0); }\r
+ makruk = 0; if(fscanf(f, "=%d", &i)) makruk=64; // new method to indicate deviant zone depth (for now assumes 3)\r
\r
for(i=0; i<BW; i++) fscanf(f, "%d", oo+i);\r
for(i=0; i<BW; i++) fscanf(f, "%d", oo+i+16);\r
{ od[++i]=j; centr[i] = c>='a';\r
blacktype[c&31]=i; piecename[i]=c&31;\r
if(piecetype[c&31]==0) piecetype[c&31]=i; // only first\r
+ succession |= w[i] < -4; // expendable royalty; assume we can promote to it\r
}\r
j++; o[j]=0;\r
/* printf("# c='%c' i=%d od[i]=%d j=%d (%3d,%8x)\n",c?c:' ',i,od[i],j,o[j-1],of[j-1]); /**/\r
\r
fclose(f);\r
sh = w[7] < 250 ? 3 : 0;\r
- makruk = w[7]==181 ? 64 : 0; // w[7] is used as kludge to enable makruk promotions\r
- if(name == selectedFairy) {\r
- printf(ptc == 1 ? "setup " : "setup (%s) ", pieceToChar); // setup board in GUI\r
+ if(ptc > 1) { // setup board in GUI, by sending it pieceToCharTable and FEN\r
+ if(ptc == 2) printf("setup (%s) ", pieceToChar);\r
+ else printf("setup (%s) %dx%d+0_%s ", pieceToChar, BW, BH, parent);\r
for(i=0; i<BW; i++) printf("%c", piecename[oo[i+16]]+'`'); printf("/");\r
+ if(makruk) printf("8/");\r
for(i=0; i<BW; i++) printf("%c", piecename[2]+'`'); printf("/");\r
- for(i=2; i<BH-2; i++) printf("%d/", BW);\r
+ for(i=2+!!makruk; i<BH-2-!!makruk; i++) printf("%d/", BW);\r
for(i=0; i<BW; i++) printf("%c", piecename[1]+'@'); printf("/");\r
+ if(makruk) printf("8/");\r
for(i=0; i<BW; i++) printf("%c", piecename[oo[i]]+'@'); printf(" w KQkq - 0 1\n");\r
}\r
}\r
\r
int main(int argc, char **argv)\r
{\r
- int Computer, MaxTime, MaxMoves, TimeInc, sec, i, j;\r
- char line[256], command[256], c, cc;\r
+ int Computer, MaxTime, MaxMoves, TimeInc, sec, i;\r
+ char line[256], command[256], c;\r
int m, nr;\r
- FILE *f;\r
+ double cpuT;\r
\r
if(argc>1 && sscanf(argv[1], "%d", &m)==1)\r
{ U = (1<<m)-1; argc--; argv++; }\r
/* the game have to be done in this time. */\r
/* If MaxMoves=1 any leftover time is lost*/\r
Ticks = GetTickCount();\r
+ cpuT = CPUtime(); printf("# times @ %u\n", Ticks);\r
m = MovesLeft<=0 ? 40 : MovesLeft;\r
tlim = (0.6-0.06*(BW-8))*(TimeLeft+(m-1)*TimeInc)/(m+7);\r
if(tlim>TimeLeft/15) tlim = TimeLeft/15;\r
N=0;K=I;\r
if (D(Side,-I,I,Q,O,LL|S,3)==I) {\r
Side ^= BLACK^WHITE;\r
- if(UnderProm>=0 && UnderProm != L)\r
- { printf("tellics I hate under-promotions!\n");\r
- printf("resign { underpromotion } \n");\r
- Computer = EMPTY;\r
- continue;\r
- } else UnderProm = -1;\r
+ m = GetTickCount() - Ticks;\r
+ printf("# times @ %u: real=%d cpu=%1.0f\n", m + Ticks, m,\r
+ (CPUtime() - cpuT)/CLOCKS_PER_SEC);\r
printf("move ");\r
printf("%c%c%c%c",'a'+(K&15),'0'+BH-(K>>4),\r
'a'+(L&15),'0'+BH-(L>>4));\r
- if(prom)printf("%c",piecename[prom&15]+'a'-1);\r
+ if(prom)printf("%c",piecename[prom]+'a'-1);\r
printf("\n");\r
- m = GetTickCount() - Ticks;\r
\r
/* time-control accounting */\r
TimeLeft -= m;\r
continue;\r
}\r
if (!fgets(line, 256, stdin))\r
- return;\r
+ return 1;\r
if (line[0] == '\n')\r
continue;\r
sscanf(line, "%s", command);\r
if (!strcmp(command, "protover")) {\r
printf("feature myname=\"" NAME " " VERSION "\"\n");\r
printf("feature memory=1\n");\r
- printf("feature setboard=0 ping=1 done=0\n");\r
+ printf("feature setboard=0 xedit=1 ping=1 done=0\n");\r
printf("feature variants=\"");\r
PrintVariants(0);\r
printf("\"\n");\r
}\r
if (!strcmp(command, "quit"))\r
/* exit engine */\r
- return;\r
+ return 0;\r
if (!strcmp(command, "force")) {\r
/* computer plays neither */\r
Computer = EMPTY;\r
if(sscanf(line+7, "Ini File=%s", filename) == 1) {\r
inifile = filename; continue;\r
}\r
- if(sscanf(line+7, "Clear Hash") == 1) for(i=0; i<U; i++) A->K = 0;\r
+ if(sscanf(line+7, "Clear Hash%c", &c) == 1) for(i=0; i<=U; i++) A->K = 0;\r
if(sscanf(line+7, "MultiVariation Margin=%d", &margin) == 1) continue;\r
if(sscanf(line+7, "Variant fairy selects=%s", selectedFairy+6) == 1) continue;\r
+ if(sscanf(line+7, "Makruk rules=%s", Cambodian) == 1) continue;\r
continue;\r
}\r
if (!strcmp(command, "go")) {\r
continue;\r
}\r
if (!strcmp(command, "edit")) {\r
- int color = WHITE, p;\r
+ int color = WHITE, p, r;\r
\r
while(fgets(line, 256, stdin)) {\r
m = line[0];\r
Q = -Q;\r
continue;\r
}\r
- if( m >= 'A' && m <= 'Z' && piecetype[m&31]\r
- && line[1] >= 'a' && line[1] <= 'a'+BW-1\r
+ if( m >= 'A' && m <= 'Z' && piecetype[m&31]) {\r
+ p = (color == WHITE ? piecetype : blacktype)[line[0]&31];\r
+ if(line[1] == '@') { // stuff holdings\r
+ pl[color+p+5] = m = line[2] - '0';\r
+ pl[BLACK+WHITE-color]+=m;pl[p+color]+=m;\r
+ Q+=m*w[p]; R+=m*(w[p]/FAC);\r
+ continue;\r
+ } else\r
+ if(line[1] >= 'a' && line[1] <= 'a'+BW-1\r
&& line[2] >= '1' && line[2] <= '0'+BH) {\r
- m = line[1]-16*line[2]+799;\r
- switch(p = (color == WHITE ? piecetype : blacktype)[line[0]&31])\r
+ m = line[1]-16*line[2]+799; r = m & 0x70;\r
+ switch(p)\r
{\r
case 1:\r
case 2:\r
if(color==WHITE)\r
- b[m]=(m&0x70)==0x60?1:33,\r
- Q+=w[1];\r
- else b[m]=(m&0x70)==0x10?18:50,\r
- Q+=w[2];\r
+ b[m]=r==0x10?161:r==0x20?97:r==0x60?1:33,\r
+ Q+=w[1]+(r==0x10?S:r==0x20?64:0);\r
+ else b[m]=r==0x60?178:r==0x50?114:r==0x10?18:50,\r
+ Q+=w[2]+(r==0x60?S:r==0x50?64:0);\r
break;\r
default:\r
b[m]=p+color+32; // assume non-virgin\r
+ if(color==BLACK && m<0x10 && p==oo[m+16] || // but make virgin on original square\r
+ color==WHITE && m>0x6F && p==oo[m-0x70]) b[m] -= 32;\r
if(w[p]<0) { // Royal piece on original square: virgin\r
- if(color==BLACK && m<0x10 && p==oo[m+16] ||\r
- color==WHITE && m>0x6F && p==oo[m-0x70]) b[m] -= 32;\r
Q-=w[p]; // assume value was flipped to indicate royalty\r
if(pl[p+color])R-=w[p]/FAC; // capturable King, add to material\r
} else { Q+=w[p]; R+=w[p]/FAC; }\r
- if((m==0x00 || m==BW-1 ) && color==BLACK && p==oo[m+16] ||\r
- (m==0x70 || m==0x6F+BW) && color==WHITE && p==oo[m-0x70])\r
- b[m] &= ~32; // corner piece as in original setup: virgin\r
case 0: // undefined piece, ignore\r
break;\r
}\r
pl[BLACK+WHITE-color]++;pl[p+color]++;\r
if(w[p+color] == -1)pl[p+color]=1; // fake we have one if value = -1, to thwart extinction condition\r
continue;\r
+ }\r
}\r
}\r
if(Side != color) Q = -Q;\r
setupPosition[128] = Side;\r
setupPosition[129] = R;\r
for(i=0; i<32; i++) setupPosition[i+130] = pl[i];\r
+ Computer = EMPTY; // after edit: force mode!\r
continue;\r
}\r
/* command not recognized, assume input move */\r
m = line[0]<'a' | line[0]>='a'+BW | line[1]<'1' | line[1]>='1'+BH |\r
line[2]<'a' | line[2]>='a'+BW | line[3]<'1' | line[3]>='1'+BH;\r
if(line[4] == '\n') line[4] = 0;\r
- PromPiece = (Side == WHITE ? piecetype : blacktype)[line[4]&31];\r
- if(PromPiece) PromPiece = (Side == WHITE ? 7 : 7+pm) - PromPiece;\r
+ GT = (Side == WHITE ? piecetype : blacktype)[line[4]&31];\r
+ if(GT) PromPiece = (Side == WHITE ? 7 : 7+pm) - GT, GT |= 32 + Side;\r
{char *c=line; K=c[0]-16*c[1]+799;L=c[2]-16*c[3]+799; }\r
- if (m)\r
+ if(w[GT&15] == -1) L = S; // spoil move for promotion to King\r
+ if (m & line[1] != '@')\r
/* doesn't have move syntax */\r
printf("Error (unknown command): %s\n", command);\r
- else if(D(Side,-I,I,Q,O,LL|S,3)!=I) {\r
+ else { int i=-1;\r
+ if(b[L] && (b[L]&16) == Side && w[b[L]&15] < 0) // capture own King: castling\r
+ { i=K; K = L; L = i>L ? i-1 : i+2; }\r
+ if(w[GT&15] < -1) pl[GT&31]++, J+=89729; // promotion to royal piece\r
+ if((b[K]&15) < 3) GT = 0; // Pawn => true promotion rather than gating\r
+ if(D(Side,-I,I,Q,O,LL|S,3)!=I) {\r
/* did have move syntax, but illegal move */\r
printf("Illegal move:%s\n", line);\r
- } else { /* legal move, perform it */\r
+ } else { /* legal move, perform it */\r
+ if(i >= 0) b[i]=b[K],b[K]=0; // reverse Seirawan gating\r
GameHistory[GamePtr++] = PACK_MOVE;\r
Side ^= BLACK^WHITE;\r
CopyBoard(HistPtr=HistPtr+1&1023);\r
if(PrintResult(Side)) Computer = EMPTY;\r
+ }\r
}\r
}\r
}\r