clarify building_type.maxsize and add error logging for bug 2221.

https://bugs.eressea.de/view.php?id=2221

.editorconfig

@@ -0,0 +1,26 @@
+# EditorConfig is awesome: http://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+# Unix-style newlines with a newline ending every file
+[*]
+end_of_line = lf
+insert_final_newline = true
+
+# 4 space indentation
+[*.{c,h,lua}]
+indent_style = space
+indent_size = 4
+
+[*.{xml,json}]
+charset = utf-8
+
+# Tab indentation (no size specified)
+[Makefile]
+indent_style = tab
+
+# Matches exact files
+[.travis.yml]
+indent_style = space
+indent_size = 2

res/e3a/buildings.xml

@@ -3,7 +3,7 @@
 
   <xi:include href="config://default/buildings/castle-2.xml" />
 
-  <building name="watch" capacity="1" maxsize="10" fort="yes">
+  <building name="watch" capacity="1" fort="yes">
     <function name="name" value="fort_name"/>
     <function name="protection" value="building_protection"/>
     <function name="taxes" value="lua_building_taxes"/>

src/kernel/build.c

@@ -849,7 +849,6 @@ build_building(unit * u, const building_type * btype, int id, int want, order *
 
     b->size += built;
     if (b->type->maxsize > 0 && b->size > b->type->maxsize) {
-        // this seems to be okay for a watch, but is not okay for an academy or harbour
         log_error("build: %s has size=%d, maxsize=%d", buildingname(b), b->size, b->type->maxsize);
     }
     fset(b, BLD_EXPANDED);

src/kernel/building.c

@@ -132,7 +132,7 @@ int buildingcapacity(const building * b)
         }
         return b->size * b->type->capacity;
     }
-    if (b->size >= b->type->maxsize) {
+    if (building_finished(b)) {
         if (b->type->maxcapacity >= 0) {
             return b->type->maxcapacity;
         }
@@ -648,15 +648,20 @@ buildingtype_exists(const region * r, const building_type * bt, bool working)
     building *b;
 
     for (b = rbuildings(r); b; b = b->next) {
-        if (b->type == bt && b->size >= bt->maxsize && (!working || fval(b, BLD_WORKING)))
+        if (b->type == bt && (!working || fval(b, BLD_WORKING)) && building_finished(b)) {
             return true;
+        }
     }
 
     return false;
 }
 
+bool building_finished(const struct building *b) {
+    return b->size >= b->type->maxsize;
+}
+
 bool building_is_active(const struct building *b) {
-    return b && fval(b, BLD_WORKING)  && b->size >= b->type->maxsize;
+    return b && fval(b, BLD_WORKING) && building_finished(b);
 }
 
 building *active_building(const unit *u, const struct building_type *btype) {

src/kernel/building.h

@@ -92,15 +92,7 @@ extern "C" {
         const struct building *b, int bsize);
 
     bool in_safe_building(struct unit *u1, struct unit *u2);
-    /* buildingt => building_type
-     * Name => locale_string(name)
-     * MaxGroesse => levels
-     * MinBauTalent => construction->minskill
-     * Kapazitaet => capacity, maxcapacity
-     * Materialien => construction->materials
-     * UnterSilber, UnterSpezialTyp, UnterSpezial => maintenance
-     * per_size => !maintenance->fixed
-     */
+
 #define BFL_NONE           0x00
 #define BLD_MAINTAINED     0x01 /* vital maintenance paid for */
 #define BLD_WORKING        0x02 /* full maintenance paid, it works */
@@ -138,6 +130,7 @@ extern "C" {
     struct region *r, const struct locale *lang);
     int build_building(struct unit *u, const struct building_type *typ,
         int id, int size, struct order *ord);
+    bool building_finished(const struct building *b);
 
     /* Alte Gebäudetypen: */
 
@@ -173,10 +166,6 @@ extern "C" {
     bool building_is_active(const struct building *b);
     struct building *active_building(const struct unit *u, const struct building_type *btype);
 
-#ifdef WDW_PYRAMID
-    extern int wdw_pyramid_level(const struct building *b);
-#endif
-
     extern const char *buildingname(const struct building *b);
 
     extern const char *building_getname(const struct building *b);

src/kernel/save.c

@@ -1676,6 +1676,7 @@ int read_game(gamedata *data) {
             if (b->type == bt_lighthouse) {
                 r->flags |= RF_LIGHTHOUSE;
             }
+
             // repairs, bug 2221:
             if (b->type->maxsize>0 && b->size>b->type->maxsize) {
                 log_error("building too big: %s (%s size %d of %d), fixing.", buildingname(b), b->type->_name, b->size, b->type->maxsize);

src/kernel/unit.c

@@ -1044,7 +1044,7 @@ struct building *inside_building(const struct unit *u)
     if (!u->building) {
         return NULL;
     }
-    else if (u->building->size < u->building->type->maxsize) {
+    else if (!building_finished(u->building)) {
         /* Gebaeude noch nicht fertig */
         return NULL;
     }

src/kernel/version.h

@@ -10,7 +10,7 @@
  without prior permission by the authors of Eressea.
  
  */
-#define INTPAK_VERSION 329      /* in binary, ints can get packed */
+#define INTPAK_VERSION 329      /* in binary, ints can get packed. starting with E2/572 */
 #define NOZEROIDS_VERSION 330   /* 2008-05-16 zero is not a valid ID for anything (including factions) */
 #define NOBORDERATTRIBS_VERSION 331     /* 2008-05-17 connection::attribs has been moved to userdata */
 #define UIDHASH_VERSION 332     /* 2008-05-22 borders use the region.uid to store */

src/move.c

@@ -1758,7 +1758,7 @@ unit *owner_buildingtyp(const region * r, const building_type * bt)
     for (b = rbuildings(r); b; b = b->next) {
         owner = building_owner(b);
         if (b->type == bt && owner != NULL) {
-            if (b->size >= bt->maxsize) {
+            if (building_finished(b)) {
                 return owner;
             }
         }

src/report.c

@@ -1898,7 +1898,7 @@ const faction * f)
         }
     }
 
-    if (b->size < b->type->maxsize) {
+    if (!building_finished(b)) {
         bytes = (int)strlcpy(bufp, LOC(lang, "nr_building_inprogress"), size);
         if (wrptr(&bufp, &size, bytes) != 0)
             WARN_STATIC_BUFFER();

src/spells.c

@@ -975,7 +975,7 @@ static int sp_blessstonecircle(castorder * co)
         return 0;
     }
 
-    if (b->size < b->type->maxsize) {
+    if (!building_finished(b)) {
         ADDMSG(&mage->faction->msgs, msg_feedback(mage, co->order,
             "error_notcomplete", "building", b));
         return 0;
@@ -4502,11 +4502,11 @@ int sp_icastle(castorder * co)
     if (type == bt_illusion) {
         b->size = (rng_int() % (int)((power * power) + 1) * 10);
     }
-    else if (type->maxsize == -1) {
-        b->size = ((rng_int() % (int)(power)) + 1) * 5;
+    else if (type->maxsize >0) {
+        b->size = type->maxsize;
     }
     else {
-        b->size = type->maxsize;
+        b->size = ((rng_int() % (int)(power)) + 1) * 5;
     }
 
     if (type->name == NULL) {

src/wormhole.c

@@ -149,8 +149,7 @@ make_wormhole(const building_type * bt_wormhole, region * r1, region * r2)
     attrib *a2 = a_add(&b2->attribs, a_new(&at_wormhole));
     a1->data.v = b2->region;
     a2->data.v = b1->region;
-    b1->size = bt_wormhole->maxsize;
-    b2->size = bt_wormhole->maxsize;
+    b1->size = b2->size = bt_wormhole->maxcapacity * bt_wormhole->capacity;
     ADDMSG(&r1->msgs, msg_message("wormhole_appear", "region", r1));
     ADDMSG(&r2->msgs, msg_message("wormhole_appear", "region", r2));
 }