allow settings in json configuration file

move E2 settings from XML to JSON

conf/e2/config.json

@@ -1,5 +1,34 @@
 {
 	"include": [
 		"keywords.json"
-	]
+	],
+    "settings": {
+        "NewbieImmunity": 8,
+        "modules.wormholes": 1,
+        "entertain.base": 0,
+        "entertain.perlevel": 20,
+        "nmr.timeout": 5,
+        "nmr.removenewbie": 0,
+        "GiveRestriction": 3,
+        "hunger.long": 1,
+        "init_spells": 0,
+        "world.era": 2,
+        "seed.population.min": 8,
+        "seed.population.max": 8,
+        "rules.ship.damage_drift": 0.00,
+        "rules.reserve.twophase": 1,
+        "rules.give.max_men": "-1",
+        "rules.check_overload": 0,
+        "rules.limit.faction": 2500,
+        "rules.maxskills.magic": 5,
+        "rules.guard.base_stop_prob": 0.30,
+        "rules.guard.skill_stop_prob": 0.05,
+        "rules.guard.amulet_stop_prob": 0.10,
+        "rules.guard.guard_number_stop_prob": 0.001,
+        "rules.guard.castle_stop_prob": 0.05,
+        "rules.guard.region_type_stop_prob": 0.05,
+        "rules.economy.repopulate_maximum": 500,
+        "game.id": 2,
+        "game.name": "Eressea"
+    }
 }

conf/e2/config.xml

@@ -90,34 +90,6 @@
     <skill name="taxation" enable="true"/>
     <skill name="stamina" enable="true"/>
     <skill name="unarmed" enable="true"/>
-
-    <param name="NewbieImmunity" value="8"/>
-    <param name="modules.wormholes" value="1"/>
-    <param name="entertain.base" value="0"/>
-    <param name="entertain.perlevel" value="20"/>
-    <param name="nmr.timeout" value="5"/>
-    <param name="nmr.removenewbie" value="0"/>
-    <param name="GiveRestriction" value="3"/>
-    <param name="hunger.long" value="1"/>
-    <param name="init_spells" value="0"/>
-    <param name="world.era" value="2"/>
-    <param name="seed.population.min" value="8"/>
-    <param name="seed.population.max" value="8"/>
-    <param name="rules.ship.damage_drift" value="0.00"/> <!-- percent damage from drifting-->
-    <param name="rules.reserve.twophase" value="1"/>
-    <param name="rules.give.max_men" value="-1"/>
-    <param name="rules.check_overload" value="0"/>
-    <param name="rules.limit.faction" value="2500"/>
-    <param name="rules.maxskills.magic" value="5"/>
-    <param name="rules.guard.base_stop_prob" value="0.30"/>
-    <param name="rules.guard.skill_stop_prob" value="0.05"/>
-    <param name="rules.guard.amulet_stop_prob" value="0.10"/>
-    <param name="rules.guard.guard_number_stop_prob" value="0.001"/>
-    <param name="rules.guard.castle_stop_prob" value="0.05"/>
-    <param name="rules.guard.region_type_stop_prob" value="0.05"/>
-    <param name="rules.economy.repopulate_maximum" value="500"/>
-    <param name="game.id" value="2"/>
-    <param name="game.name" value="Eressea"/>
   </game>
   <strings>
     <string name="mailto">

src/kernel/jsonconf.c

@@ -638,6 +638,24 @@ static void json_keywords(cJSON *json) {
     }
 }
 
+static void json_settings(cJSON *json) {
+    cJSON *child;
+    if (json->type != cJSON_Object) {
+        log_error("settings is not a json object: %d", json->type);
+        return;
+    }
+    for (child = json->child; child; child = child->next) {
+        if (child->valuestring) {
+            set_param(&global.parameters, child->string, child->valuestring);
+        }
+        else {
+            char value[32];
+            _snprintf(value, sizeof(value), "%lf", child->valuedouble);
+            set_param(&global.parameters, child->string, value);
+        }
+    }
+}
+
 static void json_races(cJSON *json) {
     cJSON *child;
     if (json->type != cJSON_Object) {
@@ -714,6 +732,9 @@ void json_config(cJSON *json) {
         else if (strcmp(child->string, "keywords") == 0) {
             json_keywords(child);
         }
+        else if (strcmp(child->string, "settings") == 0) {
+            json_settings(child);
+        }
         else if (strcmp(child->string, "skills") == 0) {
             json_skills(child);
         }

src/kernel/jsonconf.test.c

@@ -57,6 +57,22 @@ static void test_flags(CuTest *tc) {
     test_cleanup();
 }
 
+static void test_settings(CuTest * tc)
+{
+    const char * data = "{\"settings\": { "
+        "\"string\" : \"1d4\","
+        "\"integer\" : 14,"
+        "\"float\" : 0.5 }}";
+    cJSON *json = cJSON_Parse(data);
+
+    test_cleanup();
+    json_config(json);
+    CuAssertStrEquals(tc, "1d4", get_param(global.parameters, "string"));
+    CuAssertIntEquals(tc, 14, get_param_int(global.parameters, "integer", 0));
+    CuAssertDblEquals(tc, 0.5f, get_param_flt(global.parameters, "float", 0), 0.01);
+    test_cleanup();
+}
+
 static void test_races(CuTest * tc)
 {
     const char * data = "{\"races\": { \"orc\" : { "
@@ -510,6 +526,7 @@ CuSuite *get_jsonconf_suite(void)
     SUITE_ADD_TEST(suite, test_strings);
     SUITE_ADD_TEST(suite, test_spells);
     SUITE_ADD_TEST(suite, test_flags);
+    SUITE_ADD_TEST(suite, test_settings);
     SUITE_ADD_TEST(suite, test_infinitive_from_config);
     return suite;
 }