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[Freeciv-Dev] (PR#9193) Save worklists and city production by name
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To: undisclosed-recipients: ;
Subject: [Freeciv-Dev] (PR#9193) Save worklists and city production by name
From: "Mateusz Stefek" <mstefek@xxxxxxxxx>
Date: Tue, 13 Jul 2004 01:35:52 -0700
Reply-to: rt@xxxxxxxxxxx

<URL: http://rt.freeciv.org/Ticket/Display.html?id=9193 >

> With attached patch worklists and city productions are no more
> dependent on the order in which improvements or units are read from
> ruleset.
> 
> You have to use Jason's version of patch in #9123 first.
Already in CVS
 
> I changed old_type_id(struct unit* punit) into old_unit_type_id
> (Unit_Type_id)
> and moved the code before worklist_load.

this version uses mystrcasecmp instead of strcmp in some places and  
handles city.changed_from_id field
> 
> TODO:
> -city improvements

How should I implement it?
Each city has its improvements list which is currently saved as  
bitvector ("00101001..")
My idea is to save it as text which is divided with some special  
character.
For example: "Temple|Granary|Harbour".


> -research
> -technology
same problem
> -destroyed_wonders
>
--
mateusz
diff -ur -Xdiff_ignore freeorig/common/improvement.c 
freeciv/common/improvement.c
--- freeorig/common/improvement.c       2004-06-27 09:53:15.000000000 +0200
+++ freeciv/common/improvement.c        2004-07-13 09:42:22.659393256 +0200
@@ -153,6 +153,14 @@
   return get_improvement_type(id)->name; 
 }
 
+/**************************************************************************
+...
+**************************************************************************/
+const char *get_improvement_name_orig(Impr_Type_id id)
+{
+  return get_improvement_type(id)->name_orig; 
+}
+
 /****************************************************************************
   Returns the number of shields it takes to build this improvement.
 ****************************************************************************/
@@ -210,6 +218,20 @@
 }
 
 /**************************************************************************
+Does a linear search of improvement_types[].name_orig
+Returns B_LAST if none match.
+**************************************************************************/
+Impr_Type_id find_improvement_by_name_orig(const char *s)
+{
+  impr_type_iterate(i) {
+    if (mystrcasecmp(improvement_types[i].name_orig, s)==0)
+      return i;
+  } impr_type_iterate_end;
+
+  return B_LAST;
+}
+
+/**************************************************************************
 FIXME: remove when gen-impr obsoletes
 **************************************************************************/
 int improvement_variant(Impr_Type_id id)
diff -ur -Xdiff_ignore freeorig/common/improvement.h 
freeciv/common/improvement.h
--- freeorig/common/improvement.h       2004-06-22 08:28:12.000000000 +0200
+++ freeciv/common/improvement.h        2004-07-13 09:42:22.660393104 +0200
@@ -139,6 +139,7 @@
 
 bool is_wonder(Impr_Type_id id);
 const char *get_improvement_name(Impr_Type_id id);
+const char *get_improvement_name_orig(Impr_Type_id id);
 
 /* FIXME: remove improvement_variant() when gen-impr obsoletes */
 int improvement_variant(Impr_Type_id id);  
@@ -149,6 +150,7 @@
 bool wonder_obsolete(Impr_Type_id id);
 bool is_wonder_useful(Impr_Type_id id);
 Impr_Type_id find_improvement_by_name(const char *s);
+Impr_Type_id find_improvement_by_name_orig(const char *s);
 void improvement_status_init(Impr_Status * improvements, size_t elements);
 
 /* player related improvement and unit functions */
diff -ur -Xdiff_ignore freeorig/server/savegame.c freeciv/server/savegame.c
--- freeorig/server/savegame.c  2004-07-12 03:03:00.000000000 +0200
+++ freeciv/server/savegame.c   2004-07-13 09:51:20.017702376 +0200
@@ -567,84 +567,6 @@
   } whole_map_iterate_end;
 }
 
-/***************************************************************
-Load the worklist elements specified by path, given the arguments
-plrno and wlinx, into the worklist pointed to by pwl.
-***************************************************************/
-static void worklist_load(struct section_file *file,
-                         const char *path, int plrno, int wlinx,
-                         struct worklist *pwl)
-{
-  char efpath[64];
-  char idpath[64];
-  int i;
-  bool end = FALSE;
-
-  sz_strlcpy(efpath, path);
-  sz_strlcat(efpath, ".wlef%d");
-  sz_strlcpy(idpath, path);
-  sz_strlcat(idpath, ".wlid%d");
-
-  for (i = 0; i < MAX_LEN_WORKLIST; i++) {
-    if (end) {
-      pwl->wlefs[i] = WEF_END;
-      pwl->wlids[i] = 0;
-      (void) section_file_lookup(file, efpath, plrno, wlinx, i);
-      (void) section_file_lookup(file, idpath, plrno, wlinx, i);
-    } else {
-      pwl->wlefs[i] =
-       secfile_lookup_int_default(file, WEF_END, efpath, plrno, wlinx, i);
-      pwl->wlids[i] =
-       secfile_lookup_int_default(file, 0, idpath, plrno, wlinx, i);
-
-      if ((pwl->wlefs[i] <= WEF_END) || (pwl->wlefs[i] >= WEF_LAST) ||
-         ((pwl->wlefs[i] == WEF_UNIT) && !unit_type_exists(pwl->wlids[i])) ||
-         ((pwl->wlefs[i] == WEF_IMPR) && !improvement_exists(pwl->wlids[i]))) {
-       pwl->wlefs[i] = WEF_END;
-       pwl->wlids[i] = 0;
-       end = TRUE;
-      }
-    }
-  }
-}
-
-/***************************************************************
-Load the worklist elements specified by path, given the arguments
-plrno and wlinx, into the worklist pointed to by pwl.
-Assumes original save-file format.  Use for backward compatibility.
-***************************************************************/
-static void worklist_load_old(struct section_file *file,
-                             const char *path, int plrno, int wlinx,
-                             struct worklist *pwl)
-{
-  int i, id;
-  bool end = FALSE;
-
-  for (i = 0; i < MAX_LEN_WORKLIST; i++) {
-    if (end) {
-      pwl->wlefs[i] = WEF_END;
-      pwl->wlids[i] = 0;
-      (void) section_file_lookup(file, path, plrno, wlinx, i);
-    } else {
-      id = secfile_lookup_int_default(file, -1, path, plrno, wlinx, i);
-
-      if ((id < 0) || (id >= 284)) {   /* 284 was flag value for end of list */
-       pwl->wlefs[i] = WEF_END;
-       pwl->wlids[i] = 0;
-       end = TRUE;
-      } else if (id >= 68) {           /* 68 was offset to unit ids */
-       pwl->wlefs[i] = WEF_UNIT;
-       pwl->wlids[i] = id - 68;
-       end = !unit_type_exists(pwl->wlids[i]);
-      } else {                         /* must be an improvement id */
-       pwl->wlefs[i] = WEF_IMPR;
-       pwl->wlids[i] = id;
-       end = !improvement_exists(pwl->wlids[i]);
-      }
-    }
-  }
-}
-
 /*
  * Previously (with 1.14.1 and earlier) units had their type saved by ID.
  * This meant any time a unit was added (unless it was added at the end)
@@ -695,12 +617,40 @@
   "Caravan",   "Freight",      "Explorer",     "Barbarian Leader"
 };
 
+/* old (1.14.1) improvement order in default ruleset */
+const char* old_impr_types[] =
+{
+  "Airport",           "Aqueduct",             "Bank",
+  "Barracks",          "Barracks II",          "Barracks III",
+  "Cathedral",         "City Walls",           "Coastal Defense",
+  "Colosseum",         "Courthouse",           "Factory",
+  "Granary",           "Harbour",              "Hydro Plant",
+  "Library",           "Marketplace",          "Mass Transit",
+  "Mfg. Plant",                "Nuclear Plant",        "Offshore Platform",
+  "Palace",            "Police Station",       "Port Facility",
+  "Power Plant",       "Recycling Center",     "Research Lab",
+  "SAM Battery",       "SDI Defense",          "Sewer System",
+  "Solar Plant",       "Space Component",      "Space Module",
+  "Space Structural",  "Stock Exchange",       "Super Highways",
+  "Supermarket",       "Temple",               "University",
+  "Apollo Program",    "A.Smith's Trading Co.","Colossus",
+  "Copernicus' Observatory", "Cure For Cancer",        "Darwin's Voyage",
+  "Eiffel Tower",      "Great Library",        "Great Wall",
+  "Hanging Gardens",   "Hoover Dam",           "Isaac Newton's College",
+  "J.S. Bach's Cathedral","King Richard's Crusade", "Leonardo's Workshop",
+  "Lighthouse",                "Magellan's Expedition","Manhattan Project",
+  "Marco Polo's Embassy","Michelangelo's Chapel","Oracle",
+  "Pyramids",          "SETI Program",         "Shakespeare's Theatre",
+  "Statue of Liberty", "Sun Tzu's War Academy","United Nations",
+  "Women's Suffrage",  "Coinage"
+};
+
 /****************************************************************************
   Nowadays unit types are saved by name, but old servers need the
   unit_type_id.  This function tries to find the correct _old_ id for the
   unit's type.  It is used when the unit is saved.
 ****************************************************************************/
-static int old_type_id(struct unit* punit)
+static int old_unit_type_id(Unit_Type_id type)
 {
   const char** types;
   int num_types, i;
@@ -714,14 +664,190 @@
   }
 
   for (i = 0; i < num_types; i++) {
-    if (strcmp(unit_name_orig(punit->type), types[i]) == 0) {
+    if (mystrcasecmp(unit_name_orig(type), types[i]) == 0) {
       return i;
     }
   }
 
   /* It's a new unit. Savegame cannot be backward compatible so we can
    * return anything */
-  return punit->type;
+  return type;
+}
+
+/***************************************************************
+  Convert old-style unit type id into unit type name
+***************************************************************/
+static const char* old_unit_type_name(int id)
+{
+  /* before 1.15.0 unit types used to be saved by id */
+  if (id < 0) {
+    freelog(LOG_ERROR, _("Wrong unit type id value (%d)"), id);
+    exit(EXIT_FAILURE);
+  }
+  /* Different rulesets had different unit names. */
+  if (strcmp(game.rulesetdir, "civ1") == 0) {
+    if (id >= ARRAY_SIZE(old_civ1_unit_types)) {
+      freelog(LOG_ERROR, _("Wrong unit type id value (%d)"), id);
+      exit(EXIT_FAILURE);
+    }
+    return old_civ1_unit_types[id];
+  } else {
+    if (id >= ARRAY_SIZE(old_default_unit_types)) {
+      freelog(LOG_ERROR, _("Wrong unit type id value (%d)"), id);
+      exit(EXIT_FAILURE);
+    }
+    return old_default_unit_types[id];
+  }
+}
+
+/****************************************************************************
+  Nowadays improvement types are saved by name, but old servers need the
+  Impr_type_id.  This function tries to find the correct _old_ id for the
+  improvements's type.  It is used when the improvement is saved.
+****************************************************************************/
+static int old_impr_type_id(Impr_Type_id type)
+{
+  int i;
+
+  for (i = 0; i < ARRAY_SIZE(old_impr_types); i++) {
+    if (mystrcasecmp(unit_name_orig(type), old_impr_types[i]) == 0) {
+      return i;
+    }
+  }
+
+  /* It's a new improvement. Savegame cannot be backward compatible so we can
+   * return anything */
+  return type;
+}
+
+/***************************************************************
+  Convert old-style improvement type id into improvement type name
+***************************************************************/
+static const char* old_impr_type_name(int id)
+{
+  /* before 1.15.0 improvement types used to be saved by id */
+  if (id < 0 || id >= ARRAY_SIZE(old_impr_types)) {
+    freelog(LOG_ERROR, _("Wrong improvement type id value (%d)"), id);
+    exit(EXIT_FAILURE);
+  }
+  return old_impr_types[id];
+}
+
+/***************************************************************
+Load the worklist elements specified by path, given the arguments
+plrno and wlinx, into the worklist pointed to by pwl.
+***************************************************************/
+static void worklist_load(struct section_file *file,
+                         const char *path, int plrno, int wlinx,
+                         struct worklist *pwl)
+{
+  char efpath[64];
+  char idpath[64];
+  char namepath[64];
+  int i;
+  bool end = FALSE;
+  const char* name;
+
+  sz_strlcpy(efpath, path);
+  sz_strlcat(efpath, ".wlef%d");
+  sz_strlcpy(idpath, path);
+  sz_strlcat(idpath, ".wlid%d");
+  sz_strlcpy(namepath, path);
+  sz_strlcat(namepath, ".wlname%d");
+
+  for (i = 0; i < MAX_LEN_WORKLIST; i++) {
+    if (end) {
+      pwl->wlefs[i] = WEF_END;
+      pwl->wlids[i] = 0;
+      (void) section_file_lookup(file, efpath, plrno, wlinx, i);
+      (void) section_file_lookup(file, idpath, plrno, wlinx, i);
+    } else {
+      pwl->wlefs[i] =
+       secfile_lookup_int_default(file, WEF_END, efpath, plrno, wlinx, i);
+      name = secfile_lookup_str_default(file, NULL, namepath, plrno, wlinx, i);
+
+      if (pwl->wlefs[i] == WEF_UNIT) {
+       Unit_Type_id type;
+       
+       if (!name) {
+           /* before 1.15.0 unit types used to be saved by id */
+           name = old_unit_type_name(secfile_lookup_int(file, idpath,
+                                                     plrno, wlinx, i));
+       }
+
+       type = find_unit_type_by_name_orig(name);
+       if (type == U_LAST) {
+          freelog(LOG_ERROR, _("Unknown unit type '%s' in worklist"),
+                  name);
+          exit(EXIT_FAILURE);
+       }
+       pwl->wlids[i] = type;
+      } else if (pwl->wlefs[i] == WEF_IMPR) {
+       Impr_Type_id type;
+
+       if (!name) {
+           name = old_impr_type_name(secfile_lookup_int(file, idpath,
+                                                     plrno, wlinx, i));
+       }
+       
+       type = find_improvement_by_name_orig(name);
+       if (type == B_LAST) {
+         freelog(LOG_ERROR, _("Unknown improvement type '%s' in worklist"),
+                  name);
+       }
+       pwl->wlids[i] = type;
+      }
+
+      if ((pwl->wlefs[i] <= WEF_END) || (pwl->wlefs[i] >= WEF_LAST) ||
+         ((pwl->wlefs[i] == WEF_UNIT) && !unit_type_exists(pwl->wlids[i])) ||
+         ((pwl->wlefs[i] == WEF_IMPR) && !improvement_exists(pwl->wlids[i]))) {
+       pwl->wlefs[i] = WEF_END;
+       pwl->wlids[i] = 0;
+       end = TRUE;
+      }
+    }
+  }
+}
+
+/***************************************************************
+Load the worklist elements specified by path, given the arguments
+plrno and wlinx, into the worklist pointed to by pwl.
+Assumes original save-file format.  Use for backward compatibility.
+***************************************************************/
+static void worklist_load_old(struct section_file *file,
+                             const char *path, int plrno, int wlinx,
+                             struct worklist *pwl)
+{
+  int i, id;
+  bool end = FALSE;
+  const char* name;
+
+  for (i = 0; i < MAX_LEN_WORKLIST; i++) {
+    if (end) {
+      pwl->wlefs[i] = WEF_END;
+      pwl->wlids[i] = 0;
+      (void) section_file_lookup(file, path, plrno, wlinx, i);
+    } else {
+      id = secfile_lookup_int_default(file, -1, path, plrno, wlinx, i);
+
+      if ((id < 0) || (id >= 284)) {   /* 284 was flag value for end of list */
+       pwl->wlefs[i] = WEF_END;
+       pwl->wlids[i] = 0;
+       end = TRUE;
+      } else if (id >= 68) {           /* 68 was offset to unit ids */
+        name = old_unit_type_name(id-68);
+        pwl->wlefs[i] = WEF_UNIT;
+        pwl->wlids[i] = find_unit_type_by_name_orig(name);
+        end = !unit_type_exists(pwl->wlids[i]);
+      } else {                         /* must be an improvement id */
+        name = old_impr_type_name(id);
+       pwl->wlefs[i] = WEF_IMPR;
+       pwl->wlids[i] = find_improvement_by_name_orig(name);
+       end = !improvement_exists(pwl->wlids[i]);
+      }
+    }
+  }
+
 }
 
 /****************************************************************************
@@ -759,23 +885,8 @@
                plrno, i, t);
        exit(EXIT_FAILURE);
       }
+      type_name = old_unit_type_name(t);
 
-      /* Different rulesets had different unit names. */
-      if (strcmp(game.rulesetdir, "civ1") == 0) {
-        if (t >= ARRAY_SIZE(old_civ1_unit_types)) {
-          freelog(LOG_ERROR, _("Wrong player%d.u%d.type value (%d)"),
-                 plrno, i, t);
-         exit(EXIT_FAILURE);
-       }
-       type_name = old_civ1_unit_types[t];
-      } else {
-        if (t >= ARRAY_SIZE(old_default_unit_types)) {
-         freelog(LOG_ERROR, _("Wrong player%d.u%d.type value (%d)"),
-                 plrno, i, t);
-         exit(EXIT_FAILURE);
-       }
-       type_name = old_default_unit_types[t];
-      }
     }
     
     type = find_unit_type_by_name_orig(type_name);
@@ -1229,6 +1340,8 @@
     int nat_x = secfile_lookup_int(file, "player%d.c%d.x", plrno, i);
     int nat_y = secfile_lookup_int(file, "player%d.c%d.y", plrno, i);
     int map_x, map_y;
+    const char* name;
+    int id;
 
     native_to_map_pos(&map_x, &map_y, nat_x, nat_y);
     pcity = create_city_virtual(plr, map_x, map_y,
@@ -1268,9 +1381,25 @@
     pcity->is_building_unit=
       secfile_lookup_bool(file, 
                         "player%d.c%d.is_building_unit", plrno, i);
-    pcity->currently_building=
-      secfile_lookup_int(file, 
-                        "player%d.c%d.currently_building", plrno, i);
+    name = secfile_lookup_str_default(file, NULL,
+                                       "player%d.c%d.currently_building_name",
+                                       plrno, i);
+    if (pcity->is_building_unit) {
+      if (!name) {
+        id = secfile_lookup_int(file, "player%d.c%d.currently_building", 
+                               plrno, i);
+       name = old_unit_type_name(id);
+      }
+      pcity->currently_building = find_unit_type_by_name_orig(name);
+    } else {
+      if (!name) {
+       id = secfile_lookup_int(file, "player%d.c%d.currently_building",
+                               plrno, i);
+        name = old_impr_type_name(id);
+      }
+      pcity->currently_building = find_improvement_by_name_orig(name);
+    }
+
     if (has_capability("turn_last_built", savefile_options)) {
       pcity->turn_last_built = secfile_lookup_int(file,
                                "player%d.c%d.turn_last_built", plrno, i);
@@ -1279,12 +1408,28 @@
        * way to convert this into a turn value. */
       pcity->turn_last_built = 0;
     }
-    pcity->changed_from_id=
-      secfile_lookup_int_default(file, pcity->currently_building,
-                                "player%d.c%d.changed_from_id", plrno, i);
     pcity->changed_from_is_unit=
       secfile_lookup_bool_default(file, pcity->is_building_unit,
                                 "player%d.c%d.changed_from_is_unit", plrno, i);
+    name = secfile_lookup_str_default(file, NULL,
+                                      "player%d.c%d.changed_from_name",
+                                      plrno, i);
+    if (pcity->changed_from_is_unit) {
+      if (!name) {
+       id = secfile_lookup_int(file, "player%d.c%d.changed_from_id", 
+                               plrno, i);
+       name = old_unit_type_name(id);
+      }
+      pcity->changed_from_id = find_unit_type_by_name_orig(name);
+    } else {
+      if (!name) {
+        id = secfile_lookup_int(file, "player%d.c%d.changed_from_id",
+                               plrno, i);
+       name = old_impr_type_name(id);
+      }
+      pcity->changed_from_id = find_improvement_by_name_orig(name);
+    }
+                        
     pcity->before_change_shields=
       secfile_lookup_int_default(file, pcity->shield_stock,
                                 "player%d.c%d.before_change_shields", plrno, 
i);
@@ -1595,16 +1740,31 @@
 {
   char efpath[64];
   char idpath[64];
+  char namepath[64];
   int i;
 
   sz_strlcpy(efpath, path);
   sz_strlcat(efpath, ".wlef%d");
   sz_strlcpy(idpath, path);
   sz_strlcat(idpath, ".wlid%d");
+  sz_strlcpy(namepath, path);
+  sz_strlcat(namepath, ".wlname%d");
 
   for (i = 0; i < MAX_LEN_WORKLIST; i++) {
     secfile_insert_int(file, pwl->wlefs[i], efpath, plrno, wlinx, i);
-    secfile_insert_int(file, pwl->wlids[i], idpath, plrno, wlinx, i);
+    if (pwl->wlefs[i] == WEF_UNIT) {
+      secfile_insert_int(file, old_unit_type_id(pwl->wlids[i]), idpath,
+                         plrno, wlinx, i);
+      secfile_insert_str(file, unit_name_orig(pwl->wlids[i]), namepath, plrno,
+                                              wlinx, i);
+    } else if (pwl->wlefs[i] == WEF_IMPR) {
+      secfile_insert_int(file, pwl->wlids[i], idpath, plrno, wlinx, i);
+      secfile_insert_str(file, get_improvement_name_orig(pwl->wlids[i]),
+                         namepath, plrno, wlinx, i);
+    } else {
+      secfile_insert_int(file, 0, idpath, plrno, wlinx, i);
+      secfile_insert_str(file, "", namepath, plrno, wlinx, i);
+    }
     if (pwl->wlefs[i] == WEF_END) {
       break;
     }
@@ -1615,7 +1775,9 @@
     /* These values match what worklist_load fills in for unused entries. */
     secfile_insert_int(file, WEF_END, efpath, plrno, wlinx, i);
     secfile_insert_int(file, 0, idpath, plrno, wlinx, i);
+    secfile_insert_str(file, "", namepath, plrno, wlinx, i);
   }
+
 }
 
 /***************************************************************
@@ -1772,7 +1934,7 @@
     secfile_insert_int(file, punit->homecity, "player%d.u%d.homecity",
                                plrno, i);
     /* .type is actually kept only for backward compatibility */
-    secfile_insert_int(file, old_type_id(punit), "player%d.u%d.type",
+    secfile_insert_int(file, old_unit_type_id(punit->type), 
"player%d.u%d.type",
                       plrno, i);
     secfile_insert_str(file, unit_name_orig(punit->type),
                       "player%d.u%d.type_by_name",
@@ -1887,10 +2049,19 @@
                       plrno, i);
     secfile_insert_int(file, pcity->turn_last_built,
                       "player%d.c%d.turn_last_built", plrno, i);
-    secfile_insert_int(file, pcity->changed_from_id,
-                      "player%d.c%d.changed_from_id", plrno, i);
     secfile_insert_bool(file, pcity->changed_from_is_unit,
                       "player%d.c%d.changed_from_is_unit", plrno, i);
+    secfile_insert_int(file, pcity->changed_from_id,
+                      "player%d.c%d.changed_from_id", plrno, i);
+    if (pcity->changed_from_is_unit) {
+      secfile_insert_str(file, unit_name_orig(pcity->changed_from_id),
+                         "player%d.c%d.changed_from_name", plrno, i);
+    } else {
+      secfile_insert_str(file, get_improvement_name_orig(
+                                 pcity->changed_from_id),
+                         "player%d.c%d.changed_from_name", plrno, i);
+    }
+
     secfile_insert_int(file, pcity->before_change_shields,
                       "player%d.c%d.before_change_shields", plrno, i);
     secfile_insert_int(file, pcity->disbanded_shields,
@@ -1934,8 +2105,18 @@
 
     secfile_insert_bool(file, pcity->is_building_unit, 
                       "player%d.c%d.is_building_unit", plrno, i);
-    secfile_insert_int(file, pcity->currently_building, 
-                      "player%d.c%d.currently_building", plrno, i);
+    if (pcity->is_building_unit) {
+      secfile_insert_int(file, old_unit_type_id(pcity->currently_building), 
+                        "player%d.c%d.currently_building", plrno, i);
+      secfile_insert_str(file, unit_name_orig(pcity->currently_building),
+                         "player%d.c%d.currently_building_name", plrno, i);
+    } else {
+      secfile_insert_int(file, old_impr_type_id(pcity->currently_building),
+                         "player%d.c%d.currently_building", plrno, i);
+      secfile_insert_str(file, get_improvement_name_orig(
+                                   pcity->currently_building),
+                         "player%d.c%d.currently_building_name", plrno, i);
+    }
 
     impr_type_iterate(id) {
       buf[id] = (pcity->improvements[id] != I_NONE) ? '1' : '0';

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