monsters need a default locale, or their report will crash (thanks, Don!)

- empty factions have not seen any region, prevent the code from crashing in that case.
- must load the rules even when only writing the reports (taxation affects guards?)

scripts/config.lua

@@ -5,3 +5,4 @@ end
 package.path = package.path .. ';' .. path .. '/?.lua;' .. path .. '/?/init.lua'
 require 'eressea'
 require 'eressea.xmlconf'
+return require('eressea.rules')

scripts/run-turn.lua

@@ -174,12 +174,6 @@ end
 package.path = package.path .. ';' .. path .. '/?.lua;' .. path .. '/?/init.lua'
 require 'eressea'
 require 'eressea.xmlconf' -- read xml data
+local rules = require('eressea.rules')
 
-local rules = {}
-if config.rules then
-    rules = require('eressea.' .. config.rules)
-    eressea.log.info('loaded ' .. #rules .. ' modules for ' .. config.rules)
-else
-    eressea.log.warning('no rule modules loaded, specify a game in eressea.ini or with -r')
-end
 run_turn(rules)

src/monster.c

@@ -223,7 +223,7 @@ faction *get_or_create_monsters(void)
     if (!f) {
         const race *rc = rc_get_or_create("dragon");
         const char *email = get_param(global.parameters, "monster.email");
-        f = addfaction(email ? email : "noreply@eressea.de", NULL, rc, NULL, 0);
+        f = addfaction(email ? email : "noreply@eressea.de", NULL, rc, default_locale, 0);
         renumber_faction(f, MONSTER_ID);
         faction_setname(f, "Monster");
         fset(f, FFL_NPC | FFL_NOIDLEOUT);

src/reports.c

@@ -1204,6 +1204,8 @@ static void get_seen_interval(report_context * ctx)
     /* this is required to find the neighbour regions of the ones we are in,
      * which may well be outside of [firstregion, lastregion) */
     int i;
+
+    assert(ctx->seen);
     for (i = 0; i != MAXSEEHASH; ++i) {
         seen_region *sr = ctx->seen[i];
         while (sr != NULL) {
@@ -1643,7 +1645,9 @@ int write_reports(faction * f, time_t ltime)
     ctx.last = lastregion(f);
     ctx.addresses = NULL;
     ctx.userdata = NULL;
-    get_seen_interval(&ctx);
+    if (ctx.seen) {
+        get_seen_interval(&ctx);
+    }
     get_addresses(&ctx);
     _mkdir(reportpath());
     do {
@@ -1679,7 +1683,9 @@ int write_reports(faction * f, time_t ltime)
         log_warning("No report for faction %s!", factionid(f));
     }
     ql_free(ctx.addresses);
-    seen_done(ctx.seen);
+    if (ctx.seen) {
+        seen_done(ctx.seen);
+    }
     return 0;
 }