various fixes

tak.c

@@ -1,4 +1,3 @@
-// TODO:  why isnt this working:  never move away from place that would give a win to other p
 // TODO: trap ctrl-c
 // TODO: trap ctrl-d
 // TODO: taktak
@@ -34,6 +33,7 @@
 #define FALSE (0)
 #define ALL (-1)
 #define ANY (-1)
+#define NOBOLD (0)
 
 #define BLACK "\e[0;30m"
 #define BLUE "\e[0;36m"
@@ -45,6 +45,7 @@
 #define reset "\e[0m"
 
 char board[MAXW*MAXH][MAXBOARDSTRLEN];
+int lastmove[MAXW*MAXH]; // how many tiles were moved here last turn
 int aivalue[MAXW*MAXH];
 int aidef[MAXW*MAXH];
 #define BLOCKED -999
@@ -92,6 +93,9 @@ void init(void) {
     }
 }
 
+void setlastmove(int x,int y,int ntiles) {
+    lastmove[y*w+x] = ntiles;
+}
 
 int setupround(void) {
     int i;
@@ -100,6 +104,7 @@ int setupround(void) {
     for (y=0; y < h; y++) {
         for (x=0; x < w; x++) {
             strcpy(board[y*w+x], "");
+            setlastmove(x,y,0);
         }
     }
     gameover = 0;
@@ -174,6 +179,14 @@ char getmod(char *stack) {
     return ' ';
 }
 
+// boolean
+int hasmod(char *stack) {
+    if (getmod(stack) == ' ') {
+        return FALSE;
+    }
+    return TRUE;
+}
+
 char modprintable(char mod) {
     switch (mod) {
         case 'C':
@@ -273,6 +286,16 @@ char *getmodname(int mod) {
 
 char *readcmd(char *cmd) {
     char turntext[64];
+    int x,y;
+
+    // clear out last move
+    for (y=0; y < h; y++) {
+        for (x=0; x < w; x++) {
+            setlastmove(x,y,0);
+        }
+    }
+
+
     if (turnnumber == 1) {
         sprintf(turntext, "SETUP:  %s%s%s placing %s%s's%s initial tile", getpcol(turn),getpname(turn), reset, getpcol(1-turn),getpname(1-turn),reset);
         printf("R%d/%d-T%d.  %s %s==> ",curround,numrounds,turnnumber, turntext, getpcol(turn));
@@ -290,6 +313,8 @@ char *readcmd(char *cmd) {
         fgets(cmd ,MAX_CMD_LEN, stdin);
         if (cmd) {
             cmd[strlen(cmd)-1] = 0;
+        } else {
+            clearerr(stdin);
         }
     }
     printf("%s",reset);
@@ -302,7 +327,6 @@ int rowhasmod(int sx, int sy, char mod, int who) {
     if (!isvalidxy(sx,sy)) {
         return 0;
     }
-
     for (x=0; x < w; x++) {
         if (getmodxy(x,sy) == mod) {
             if (who == ANY || getownernumxy(x,sy) == who) {
@@ -422,11 +446,13 @@ void aiupdatetile(int x, int y) {
     // if we already own it, probably dont want to go there
     if (getownernumxy(x, y) == turn) {
         modaivalue(x,y, -15, "we own this space already");
+/*
     } else {
         n = countadjacent(x,y,turn);
         // modify based on adjacent controlled locations
         snprintf(temp, 1024, "we own %d adjacent cells", n);
         modaivalue(x,y, n * 1, temp); // controlled by us
+*/
     }
 
     if (getownernumxy(x, y) == turn) {
@@ -447,11 +473,11 @@ void aiupdatetile(int x, int y) {
         snprintf(temp, 1024, "we own %d cells in this row", n);
         modaivalue(x,y, n * 6, temp);
 
-        n = rowhasmod(x,y,turn,'|') + rowhasmod(x,y,1-turn,'|');
+        n = rowhasmod(x,y,'|',turn) + rowhasmod(x,y,'|',1-turn);
         snprintf(temp, 1024, "%d walls in this row", n);
         modaivalue(x,y, -(n * 7), temp);
 
-        n = rowhasmod(x,y,1-turn,'^');
+        n = rowhasmod(x,y,'^',1-turn);
         snprintf(temp, 1024, "%d opposing capstones in this row", n);
         modaivalue(x,y, -(n * 10), temp);
 
@@ -586,7 +612,7 @@ char *genaicmd(char *cmd, int showdb, int useworst) {
         //  we place a tile here or move here?
         if (canplacetile(turn, xsel, ysel, ' ', NULL)) {
             char mod = ' ';
-            int chance = aidef[ysel*w+xsel]*15;
+            int chance = aidef[ysel*w+xsel]*10;
             // wall or cap?
             if (pctchance(chance)) {
                 if ((capsleft[turn] > 0) &&
@@ -628,10 +654,14 @@ int xywouldgivewinto(int who, int tx, int ty) {
             strcpy(board2[y*w+x], board[y*w+x]);
         }
     }
+    // if player COULD go there,
     // force owner  of given position to given player
-    strcat(board2[ty*w+tx], getpstr(who));
+    if (canplacetile(who, tx, ty, ' ', NULL) ||
-    if ( playerhasroads(who, board2)) {
+        canmoveanyto(who, tx, ty, NULL, FALSE)) {
-        wouldwin = TRUE;
+        strcat(board2[ty*w+tx], getpstr(who));
+        if ( playerhasroads(who, board2)) {
+            wouldwin = TRUE;
+        }
     }
     return wouldwin;
 }
@@ -867,8 +897,8 @@ int movetile(int count,char xch,char ych, char dir, char *dropstr) {
     int pos,newpos,x,y,mod,origcount;
     int newxch,newych;
     char countstr[4];
-    char moving[MAXSTACK*2];
+    char moving[MAXSTACK*30];
-    char dropping[MAXSTACK*2];
+    char dropping[MAXSTACK*30];
     char *bpos,*newbpos,*p,*dp,*mp;
     int pass;
     int xmodamt,ymodamt;
@@ -1010,9 +1040,9 @@ int movetile(int count,char xch,char ych, char dir, char *dropstr) {
                 mp++; // havk
             }
             if (pass == 1) {
-                char colorstr[MAXSTACK*10];
+                char colorstr[MAXSTACK*30];
                 // add ansi color codes
-                makecolorstr(dropping, colorstr);
+                makecolorstr(dropping, colorstr, NOBOLD);
 
                 if (debug) {
                     printf("   - dropping '%s' (%d) at %c%c.  remaining:  '%s' (%d)\n",
@@ -1021,6 +1051,9 @@ int movetile(int count,char xch,char ych, char dir, char *dropstr) {
                 }
                 // actually drop tiles here
                 strcat(newbpos, dropping);
+                if (numtodrop > 0) {
+                    setlastmove(x,y,numtodrop);
+                }
             }
             // remove dropped tiles from moving stack
             mp += numtodrop;
@@ -1030,6 +1063,7 @@ int movetile(int count,char xch,char ych, char dir, char *dropstr) {
     }
 
 
+
     return FALSE;
 }
 
@@ -1082,6 +1116,7 @@ int placetile(int who,char xch,char ych, char mod) {
     } else {
         tilesleft[who]--;
     }
+    setlastmove(x,y,1);
     return FALSE;
 }
 
@@ -1131,11 +1166,11 @@ int canmoveanyto(int who, int tx, int ty, char *why, int safe) {
             }
             if (ok) {
                 if (safe) {
-                    if (!canmovefrom(who, x, y, why)) { // got somethong to move here
+                    if (!willmovefrom(who, x, y, why)) { // got somethong which is safe to move here
                         ok = FALSE;
                     }
                 } else {
-                    if (!willmovefrom(who, x, y, why)) { // got somethong which is safe to move here
+                    if (!canmovefrom(who, x, y, why)) { // got somethong to move here
                         ok = FALSE;
                     }
                 }
@@ -1273,7 +1308,6 @@ int canmakedropstr(int who, int sx, int sy, int dx, int dy, char *str) { // retu
                     // must drop at least one
                     // TODO: figure out how many we can drop and
                     // still reach dst
-                    // TODO: drop more than 1, prefer our color
                     //z = strchr(mp, getpchar(who));
 
                     // stone to drop.
@@ -1540,15 +1574,30 @@ int parsecmd(char *cmd) {
     return err;
 }
 
-char *makecolorstr(char *orig, char *newstr) {
+char *makecolorstr(char *orig, char *newstr, int lastmovecount) {
-    char *p;
+    char *p, *curcol, *boldstart = NULL;
-    char *curcol;
+    if (lastmovecount > 0) {
+        int count = 0;
+        for (p = orig+strlen(orig)-1; p >= orig; p--) {
+            if (*p == getpchar(0) || *p == getpchar(1)) {
+                count++;
+                if (count == lastmovecount) {
+                    boldstart = p;
+                    break;
+                }
+            }
+        }
+    }
+//    printf("\nmcs(): got lmc = %d, boldidx = %d\n",lastmovecount, boldidx);
     strcpy(newstr, "");
     for (p = orig; *p; p++) {
         if (!ismod(*p)) {
             curcol = getpcol(getpchar(*p));
             strcat(newstr, curcol);
         }
+        if (boldstart && p >= boldstart && *p != ' ') {
+            strcat(newstr, BOLD);
+        }
         strncat(newstr, p, 1);
     }
     strcat(newstr, reset);
@@ -1590,28 +1639,8 @@ void showaivalues(int best) {
 
         // TODO: move this to a function
         // show board stack
-        printf(FORMAT_ROWHEAD, ch);
+        showboardrow(board, y);
-        for (x=0; x < w; x++) {
-            char *str = board[y*w+x];
-
-            // show stack
-            if (str) {
-                char origstr[MAXSTACK*10];
-                char colorstr[MAXSTACK*10];
-                sprintf(origstr,FORMAT_STACK, str ? str : " ");
-                // add ansi color codes
-                makecolorstr(origstr, colorstr);
-                //strcpy(colorstr,origstr);
-                printf("%s", colorstr);
-            } else {
-                printf(FORMAT_STACK, " ");
-            }
-        }
-        printf(FORMAT_ROWTAIL, ch);
         ch--;
-        printf("\n");
-        line();
-
     }
     printf(FORMAT_ROWHEAD, ' ');
     ch = 'a';
@@ -1630,6 +1659,31 @@ void showaivalues(int best) {
 
 }
 
+void showboardrow(char (*b)[MAXBOARDSTRLEN], int y) {
+    int x,ch;
+    xytopos(0, y, NULL, &ch);
+    printf(FORMAT_ROWHEAD, ch);
+    for (x=0; x < w; x++) {
+        char *str = board[y*w+x];
+
+        // show stack
+        if (str) {
+            char origstr[MAXSTACK*30];
+            char colorstr[MAXSTACK*30];
+            sprintf(origstr,FORMAT_STACK, str ? str : " ");
+            // add ansi color codes
+            makecolorstr(origstr, colorstr, lastmove[y*w+x]);
+            printf("%s", colorstr);
+        } else {
+            printf(FORMAT_STACK, " ");
+        }
+    }
+    printf(FORMAT_ROWTAIL, ch);
+    printf("\n");
+    line();
+}
+
+
 void showboard(void) {
     int x,y,i;
     char ch;
@@ -1650,38 +1704,8 @@ void showboard(void) {
     line();
     ch = '1' + h - 1;
     for (y=h-1; y >= 0; y--) {
-/*
+        showboardrow(board, y);
-        printf(FORMAT_ROWHEAD, ch);
-        for (x=0; x < w; x++) {
-            char *str = board[y*w+x];
-            // show owner
-            printf(FORMAT_OWNER, getpcol(getowner(str)),getowner(str), getmod(str), reset);
-        }
-        printf(FORMAT_ROWTAIL, ch);
-        printf("\n");
-*/
-        printf(FORMAT_ROWHEAD, ch);
-        for (x=0; x < w; x++) {
-            char *str = board[y*w+x];
-
-            // show stack
-            if (str) {
-                char origstr[MAXSTACK*10];
-                char colorstr[MAXSTACK*10];
-                sprintf(origstr,FORMAT_STACK, str ? str : " ");
-                // add ansi color codes
-                makecolorstr(origstr, colorstr);
-                //strcpy(colorstr,origstr);
-                printf("%s", colorstr);
-            } else {
-                printf(FORMAT_STACK, " ");
-            }
-        }
-        printf(FORMAT_ROWTAIL, ch);
         ch--;
-        printf("\n");
-        line();
-
     }
     printf(FORMAT_ROWHEAD, ' ');
     ch = 'a';

tak.h

@@ -5,6 +5,7 @@ int setupround(void);
 void line(void);
 void cleanup(void);
 char getmod(char *stack);
+int hasmod(char *stack);
 char getmodxy(int x, int y);
 char getowner(char *stack);
 int ismod(char ch);
@@ -34,7 +35,7 @@ int xtoleftshift(int num);
 void printbinaryline(char prefix, int num, int wantcr);
 int playerhasroads(int pnum, char (*b)[]);
 void updateroadstatus(void);
-char *makecolorstr(char *orig, char *newstr);
+char *makecolorstr(char *orig, char *newstr, int boldidx);
 void showscores(char *str);
 int checkxyforroad(char (*b)[], int who, int sx, int sy, int sd);
 void pickfirstplayer(void);
@@ -70,3 +71,5 @@ void roadlog(char *dname, int dir, int xch, int ych, int newx, int newy);
 char getownerxy(int x, int y);
 int getownernumxy(int x, int y);
 void checkfortak(int who);
+void showboardrow(char (*b)[MAXBOARDSTRLEN], int y);
+void setlastmove(int x,int y,int ntiles);