]> git.pond.sub.org Git - empserver/blobdiff - src/lib/subs/paths.c
Indented with src/scripts/indent-emp.
[empserver] / src / lib / subs / paths.c
index 59bd0f96ac0c1e4c1f69ee775ea0cee507e5721f..095feeb7b4119354ffd7c46c5681e7206a4133c4 100644 (file)
 #include "prototypes.h"
 
 int
-getdir(s_char *prompt, s_char *stop_msg, s_char *view_msg, s_char *bomb_msg)
+getdir(s_char *prompt, s_char *stop_msg, s_char *view_msg,
+       s_char *bomb_msg)
 {
-       register int max_dir;
-       register int min_dir;
-       register int dir_num;
-       s_char  buf[1024];
+    register int max_dir;
+    register int min_dir;
+    register int dir_num;
+    s_char buf[1024];
 
-       if (stop_msg != 0)
-               min_dir = DIR_STOP;
-       else
-               min_dir = DIR_FIRST;
-       if (view_msg == 0)
-               max_dir = DIR_LAST;
-       else
-               max_dir = DIR_VIEW;
-       while (1) {
-               if (getstring(prompt, buf) == 0 || *buf == 0)
-                       return -1;
-               dir_num = chkdir(buf[0], min_dir, max_dir);
-               if (dir_num >= min_dir)
-                       break;
-               direrr(stop_msg, view_msg, bomb_msg);
-       }
-       return dir_num;
+    if (stop_msg != 0)
+       min_dir = DIR_STOP;
+    else
+       min_dir = DIR_FIRST;
+    if (view_msg == 0)
+       max_dir = DIR_LAST;
+    else
+       max_dir = DIR_VIEW;
+    while (1) {
+       if (getstring(prompt, buf) == 0 || *buf == 0)
+           return -1;
+       dir_num = chkdir(buf[0], min_dir, max_dir);
+       if (dir_num >= min_dir)
+           break;
+       direrr(stop_msg, view_msg, bomb_msg);
+    }
+    return dir_num;
 }
 
 int
 chkdir(s_char dir_char, int min_dir, int max_dir)
 {
-       register int i;
+    register int i;
 
-       for (i = min_dir; i <= max_dir; i++)
-               if (dir_char == dirch[i])
-                       return i;
-       return -1;
+    for (i = min_dir; i <= max_dir; i++)
+       if (dir_char == dirch[i])
+           return i;
+    return -1;
 }
 
 void
 direrr(s_char *stop_msg, s_char *view_msg, s_char *map_msg)
 {
-       pr("Legal directions are:\n");
-       pr(" %c %c\n", dirch[DIR_UL], dirch[DIR_UR]);
-       pr("%c   %c\n", dirch[DIR_L], dirch[DIR_R]);
-       pr(" %c %c\n", dirch[DIR_DL], dirch[DIR_DR]);
-       if (stop_msg != 0)
-               pr(stop_msg, dirch[DIR_STOP]);
-       if (view_msg != 0)
-               pr(view_msg, dirch[DIR_VIEW]);
-       if (map_msg != 0)
-               pr(map_msg, dirch[DIR_MAP]);
+    pr("Legal directions are:\n");
+    pr(" %c %c\n", dirch[DIR_UL], dirch[DIR_UR]);
+    pr("%c   %c\n", dirch[DIR_L], dirch[DIR_R]);
+    pr(" %c %c\n", dirch[DIR_DL], dirch[DIR_DR]);
+    if (stop_msg != 0)
+       pr(stop_msg, dirch[DIR_STOP]);
+    if (view_msg != 0)
+       pr(view_msg, dirch[DIR_VIEW]);
+    if (map_msg != 0)
+       pr(map_msg, dirch[DIR_MAP]);
 }
 
 /*
@@ -101,108 +102,109 @@ direrr(s_char *stop_msg, s_char *view_msg, s_char *map_msg)
  * which do not accept partial moves.
  */
 s_char *
-getpath(s_char *buf, s_char *arg, coord x, coord y, int onlyown, int showdes, int showxy, int destinations)
+getpath(s_char *buf, s_char *arg, coord x, coord y, int onlyown,
+       int showdes, int showxy, int destinations)
 {
-       s_char  *p = buf;
-       s_char  *bp;
-       s_char  prompt[128];
-       coord   dx, dy;
-       struct  sctstr sect, dsect;
-       coord   nx, ny;
-       int     dir;
-       s_char  *execute;
-       double  mv_cost;
+    s_char *p = buf;
+    s_char *bp;
+    s_char prompt[128];
+    coord dx, dy;
+    struct sctstr sect, dsect;
+    coord nx, ny;
+    int dir;
+    s_char *execute;
+    double mv_cost;
 
-       if (arg) {
-               strncpy(buf, arg, MAX_PATH_LEN - 1);
-               buf[MAX_PATH_LEN - 1] = 0;
-       } else {
-               *p = 0;
-       }
+    if (arg) {
+       strncpy(buf, arg, MAX_PATH_LEN - 1);
+       buf[MAX_PATH_LEN - 1] = 0;
+    } else {
+       *p = 0;
+    }
 
-       if (showxy)
-               execute = " & '%c' to execute\n";
-       else
-               execute = "\n";
+    if (showxy)
+       execute = " & '%c' to execute\n";
+    else
+       execute = "\n";
 
-       getsect(x,y,&sect);
-       nx = x;
-       ny = y;
+    getsect(x, y, &sect);
+    nx = x;
+    ny = y;
 
-more:
-       while (*p) {
-               if (sarg_xy(p, &dx, &dy)) {
-                       bp = 0;
-                       if (destinations == P_NONE) {
-                               pr("Destination sectors not allowed here!\n");
-                               *p = 0;
-                       }
-                       if (getsect(dx,dy,&dsect)) {
-                               if (destinations == P_WALKING){
-                                       bp=BestLandPath(p, &sect,&dsect,
-                                                       &mv_cost, MOB_ROAD);
-                               } else if (destinations == P_FLYING) {
-                                       bp=BestAirPath(p, nx, ny, dx, dy);
-                               }
-                       } else {
-                               pr("Invalid destination sector!\n");
-                               *p = 0;
-                       }
-                       if (bp) {
-                               pr("Using best path  '%s'\n", p);
-                               pr("Using total path '%s'\n", buf);
-                               return buf;
-                       } else {                        
-                               pr("Can't get to %s from here!\n",
-                                       xyas(nx,ny,player->cnum));
-                               *p = 0;
-                       }
-                       break;
-               }
-               dir = chkdir(*p, DIR_STOP, DIR_LAST);
-               if (dir < 0) {
-                       pr("\"%c\" is not legal...", *p);
-                       direrr("'%c' to stop", (s_char *)0, execute);
-                       *p = 0;
-                       break;
-               }
-               nx = x + diroff[dir][0];
-               ny = y + diroff[dir][1];
-               getsect(nx, ny, &sect);
-               if (onlyown && sect.sct_own != player->cnum) {
-                       *p = 0;
-                       pr("You don't own %s; you can't go there!\n",
-                               xyas(nx, ny, player->cnum));
-                       break;
-               }
-               if (dir == DIR_STOP || dir == DIR_MAP) {
-                       p[1] = 0;
-                       return buf;
-               }
-               if (++p - buf == MAX_PATH_LEN) {
-                       pr("Path length may not exceed %d.\n", MAX_PATH_LEN);
-                       pr("Aborting...\n");
-                       *buf = 0;
-                       return buf;
+  more:
+    while (*p) {
+       if (sarg_xy(p, &dx, &dy)) {
+           bp = 0;
+           if (destinations == P_NONE) {
+               pr("Destination sectors not allowed here!\n");
+               *p = 0;
+           }
+           if (getsect(dx, dy, &dsect)) {
+               if (destinations == P_WALKING) {
+                   bp = BestLandPath(p, &sect, &dsect,
+                                     &mv_cost, MOB_ROAD);
+               } else if (destinations == P_FLYING) {
+                   bp = BestAirPath(p, nx, ny, dx, dy);
                }
-               x = nx;
-               y = ny;
+           } else {
+               pr("Invalid destination sector!\n");
+               *p = 0;
+           }
+           if (bp) {
+               pr("Using best path  '%s'\n", p);
+               pr("Using total path '%s'\n", buf);
+               return buf;
+           } else {
+               pr("Can't get to %s from here!\n",
+                  xyas(nx, ny, player->cnum));
+               *p = 0;
+           }
+           break;
        }
-       fly_map(x,y);
-       if (showdes) {
-               getsect(x, y, &sect);
-               sprintf(prompt, "<%c: %s> ", dchr[sect.sct_type].d_mnem,
-                       xyas(x, y, player->cnum));
-       } else {
-               sprintf(prompt, "<%d: %s> ", (int)(p - buf),
-                       xyas(x, y, player->cnum));
+       dir = chkdir(*p, DIR_STOP, DIR_LAST);
+       if (dir < 0) {
+           pr("\"%c\" is not legal...", *p);
+           direrr("'%c' to stop", (s_char *)0, execute);
+           *p = 0;
+           break;
        }
-       if (!(bp = getstring(prompt, p)) || !*bp) {
-               if (player->aborted)
-                       *buf = 0;
-               return buf;
+       nx = x + diroff[dir][0];
+       ny = y + diroff[dir][1];
+       getsect(nx, ny, &sect);
+       if (onlyown && sect.sct_own != player->cnum) {
+           *p = 0;
+           pr("You don't own %s; you can't go there!\n",
+              xyas(nx, ny, player->cnum));
+           break;
+       }
+       if (dir == DIR_STOP || dir == DIR_MAP) {
+           p[1] = 0;
+           return buf;
        }
-       goto more;
+       if (++p - buf == MAX_PATH_LEN) {
+           pr("Path length may not exceed %d.\n", MAX_PATH_LEN);
+           pr("Aborting...\n");
+           *buf = 0;
+           return buf;
+       }
+       x = nx;
+       y = ny;
+    }
+    fly_map(x, y);
+    if (showdes) {
+       getsect(x, y, &sect);
+       sprintf(prompt, "<%c: %s> ", dchr[sect.sct_type].d_mnem,
+               xyas(x, y, player->cnum));
+    } else {
+       sprintf(prompt, "<%d: %s> ", (int)(p - buf),
+               xyas(x, y, player->cnum));
+    }
+    if (!(bp = getstring(prompt, p)) || !*bp) {
+       if (player->aborted)
+           *buf = 0;
+       return buf;
+    }
+    goto more;
 }
 
 /* ARGSUSED */
@@ -230,7 +232,7 @@ mcost(struct sctstr *sp, int own)
 double
 fcost(struct sctstr *sp, natid own)
 {
-       return 1.0;
+    return 1.0;
 }
 
 /*
@@ -240,7 +242,7 @@ fcost(struct sctstr *sp, natid own)
 double
 ncost(struct sctstr *sp, natid own)
 {
-       return 1.0;
+    return 1.0;
 }
 
 /*
@@ -248,34 +250,35 @@ ncost(struct sctstr *sp, natid own)
  * movement cost it takes to get there.
  */
 double
-pathtoxy(s_char *path, coord *xp, coord *yp, double (*cost) (struct sctstr *, natid))
+pathtoxy(s_char *path, coord *xp, coord *yp,
+        double (*cost) (struct sctstr *, natid))
 {
-       struct  sctstr s;
-       s_char  *pp;
-       coord   x;
-       coord   y;
-       int     val;
-       double  m;
-       int     c;
+    struct sctstr s;
+    s_char *pp;
+    coord x;
+    coord y;
+    int val;
+    double m;
+    int c;
 
-       x = *xp;
-       y = *yp;
-       m = 0.0;
-       for (pp = path; *pp; pp++) {
-               if ((val = chkdir(*pp, DIR_STOP, DIR_LAST)) == 0)
-                       break;
-               x += diroff[val][0];
-               y += diroff[val][1];
-               c = dirch[val];
-               if (c == DIR_STOP)
-                       break;
-               if (!getsect(x, y, &s))
-                       return -1.0;
-               m += cost(&s, s.sct_own);
-       }
-       *xp = xnorm(x);
-       *yp = ynorm(y);
-       return m;
+    x = *xp;
+    y = *yp;
+    m = 0.0;
+    for (pp = path; *pp; pp++) {
+       if ((val = chkdir(*pp, DIR_STOP, DIR_LAST)) == 0)
+           break;
+       x += diroff[val][0];
+       y += diroff[val][1];
+       c = dirch[val];
+       if (c == DIR_STOP)
+           break;
+       if (!getsect(x, y, &s))
+           return -1.0;
+       m += cost(&s, s.sct_own);
+    }
+    *xp = xnorm(x);
+    *yp = ynorm(y);
+    return m;
 }
 
 /*
@@ -284,49 +287,49 @@ pathtoxy(s_char *path, coord *xp, coord *yp, double (*cost) (struct sctstr *, na
 int
 chkpath(natid who, s_char *path, coord x, coord y)
 {
-       s_char  *pp;
-       int     val;
-       struct  sctstr sect;
+    s_char *pp;
+    int val;
+    struct sctstr sect;
 
-       for (pp = path; *pp; pp++) {
-               if ((val = chkdir(*pp, DIR_STOP, DIR_LAST)) == 0)
-                       break;
-               x += diroff[val][0];
-               y += diroff[val][1];
-               if (!getsect(x, y, &sect) || sect.sct_own != who)
-                       return 0;
-       }
-       return 1;
+    for (pp = path; *pp; pp++) {
+       if ((val = chkdir(*pp, DIR_STOP, DIR_LAST)) == 0)
+           break;
+       x += diroff[val][0];
+       y += diroff[val][1];
+       if (!getsect(x, y, &sect) || sect.sct_own != who)
+           return 0;
+    }
+    return 1;
 }
 
 void
-pathrange(register coord cx, register coord cy, register s_char *pp, int border, struct range *range)
+pathrange(register coord cx, register coord cy, register s_char *pp,
+         int border, struct range *range)
 {
-       int     dir;
+    int dir;
 
-       range->lx = cx;
-       range->hx = cx;
-       range->ly = cy;
-       range->hy = cy;
-       range->width = 0;
-       range->height = 0;
-       while ((dir = chkdir(*pp, DIR_FIRST, DIR_LAST)) >= 0) {
-               pp++;
-               cx += diroff[dir][0];
-               cy += diroff[dir][1];
-               if (cx < range->lx)
-                       range->lx = cx;
-               if (cx > range->hx)
-                       range->hx = cx;
-               if (cy < range->ly)
-                       range->ly = cy;
-               if (cy > range->hy)
-                       range->hy = cy;
-       }
-       range->lx = xnorm(range->lx - border*2);
-       range->ly = ynorm(range->ly - border);
-       range->hx = xnorm(range->hx + border*2 + 1);
-       range->hy = ynorm(range->hy + border + 1);
-       xysize_range(range);
+    range->lx = cx;
+    range->hx = cx;
+    range->ly = cy;
+    range->hy = cy;
+    range->width = 0;
+    range->height = 0;
+    while ((dir = chkdir(*pp, DIR_FIRST, DIR_LAST)) >= 0) {
+       pp++;
+       cx += diroff[dir][0];
+       cy += diroff[dir][1];
+       if (cx < range->lx)
+           range->lx = cx;
+       if (cx > range->hx)
+           range->hx = cx;
+       if (cy < range->ly)
+           range->ly = cy;
+       if (cy > range->hy)
+           range->hy = cy;
+    }
+    range->lx = xnorm(range->lx - border * 2);
+    range->ly = ynorm(range->ly - border);
+    range->hx = xnorm(range->hx + border * 2 + 1);
+    range->hy = ynorm(range->hy + border + 1);
+    xysize_range(range);
 }
-