consistent naming of module configurations (singular).

add module switch for volcano.

conf/e2/config.json

@@ -13,10 +13,11 @@
         "game.id" : 2,
         "orders.default": "work",
         "NewbieImmunity": 8,
-        "modules.markets": false,
+        "modules.market": false,
         "modules.astralspace": true,
-        "modules.wormholes": true,
-        "modules.icebergs": true,
+        "modules.wormhole": true,
+        "modules.iceberg": true,
+        "modules.volcano": true,
         "entertain.base": 0,
         "entertain.perlevel": 20,
         "taxing.perlevel": 20,

conf/e3/config.json

@@ -32,8 +32,10 @@
         "database.gameid": 7,
         "NewbieImmunity": 4,
         "modules.astralspace": false,
-        "modules.wormholes": false,
-        "modules.markets": true,
+        "modules.wormhole": false,
+        "modules.market": true,
+        "modules.iceberg": false,
+        "modules.volcano": true,
         "magic.regeneration": 0.75,
         "magic.power": 0.5,
         "resource.factor": 0.25,

src/kernel/terrain.c

@@ -37,9 +37,7 @@ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 #include <stdlib.h>
 #include <string.h>
 
-#define MAXTERRAINS 14
-
-const char *terraindata[MAXTERRAINS] = {
+static const char *terrainnames[MAXTERRAINS] = {
     "ocean",
     "plain",
     "swamp",
@@ -149,10 +147,10 @@ const struct terrain_type *newterrain(terrain_t t)
     assert(t < MAXTERRAINS);
     result = newterrains[t];
     if (!result) {
-        result = newterrains[t] = get_terrain(terraindata[t]);
+        result = newterrains[t] = get_terrain(terrainnames[t]);
     }
     if (!result) {
-        log_error("no such terrain: %s.", terraindata[t]);
+        log_error("no such terrain: %s.", terrainnames[t]);
     }
     return result;
 }
@@ -198,8 +196,8 @@ void init_terrains(void)
         const terrain_type *newterrain = newterrains[t];
         if (newterrain != NULL)
             continue;
-        if (terraindata[t] != NULL) {
-            newterrain = get_terrain(terraindata[t]);
+        if (terrainnames[t] != NULL) {
+            newterrain = get_terrain(terrainnames[t]);
             if (newterrain != NULL) {
                 newterrains[t] = newterrain;
             }

src/kernel/terrainid.h

@@ -29,6 +29,7 @@ extern "C" {
     T_VOLCANO_SMOKING,
     T_ICEBERG_SLEEP,
     T_ICEBERG,
+    MAXTERRAINS,
     NOTERRAIN = - 1
   } terrain_t;
 

src/laws.c

@@ -41,6 +41,7 @@ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 #include "teleport.h"
 #include "calendar.h"
 #include "guard.h"
+#include "volcano.h"
 
 /* attributes includes */
 #include <attributes/racename.h>
@@ -72,7 +73,7 @@ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 #include <kernel/spell.h>
 #include <kernel/spellbook.h>
 #include <kernel/terrain.h>
-#include <kernel/terrainid.h>   /* for volcanoes in emigration (needs a flag) */
+#include <kernel/terrainid.h>
 #include <kernel/unit.h>
 
 /* util includes */
@@ -246,16 +247,20 @@ static void calculate_emigration(region * r)
     int maxp = region_maxworkers(r);
     int rp = rpeasants(r);
     int max_immigrants = MAX_IMMIGRATION(maxp - rp);
-    static int terrain_cache;
-    static const terrain_type *t_volcano;
-    static const terrain_type *t_smoking;
 
-    if (terrain_changed(&terrain_cache)) {
-        t_volcano = get_terrain("volcano");
-        t_smoking = get_terrain("activevolcano");
-    }
-    if (r->terrain == t_volcano || r->terrain == t_smoking) {
-        max_immigrants = max_immigrants / 10;
+
+    if (volcano_module()) {
+        static int terrain_cache;
+        static const terrain_type *t_volcano;
+        static const terrain_type *t_smoking;
+
+        if (terrain_changed(&terrain_cache)) {
+            t_volcano = newterrain(T_VOLCANO);
+            t_smoking = newterrain(T_VOLCANO_SMOKING);
+        }
+        if (r->terrain == t_volcano || r->terrain == t_smoking) {
+            max_immigrants = max_immigrants / 10;
+        }
     }
 
     for (i = 0; max_immigrants > 0 && i != MAXDIRECTIONS; i++) {
@@ -4221,7 +4226,7 @@ void turn_process(void)
     init_processor();
     process();
 
-    if (config_get_int("modules.markets", 0)) {
+    if (markets_module()) {
         do_markets();
     }
 }
@@ -4233,7 +4238,7 @@ void turn_end(void)
     remove_empty_units();
 
     /* must happen AFTER age, because that would destroy them right away */
-    if (config_get_int("modules.wormholes", 0)) {
+    if (config_get_int("modules.wormhole", 0)) {
         wormholes_update();
     }
 

src/market.c

@@ -71,7 +71,7 @@ attrib_type at_market = {
 
 bool markets_module(void)
 {
-    return (bool)config_get_int("modules.markets", 0);
+    return (bool)config_get_int("modules.market", 0);
 }
 
 void do_markets(void)

src/randenc.c

@@ -432,7 +432,7 @@ void drown(region * r)
     }
 }
 
-static void melt_iceberg(region * r)
+static void melt_iceberg(region * r, const terrain_type *t_ocean)
 {
     attrib *a;
     unit *u;
@@ -456,7 +456,7 @@ static void melt_iceberg(region * r)
     }
 
     /* in Ozean wandeln */
-    terraform_region(r, newterrain(T_OCEAN));
+    terraform_region(r, t_ocean);
 }
 
 static void move_iceberg(region * r)
@@ -585,14 +585,20 @@ static void move_iceberg(region * r)
 static void move_icebergs(void)
 {
     region *r;
+    static int terrain_cache;
+    static const terrain_type *t_iceberg, *t_ocean;
 
+    if (terrain_changed(&terrain_cache)) {
+        t_iceberg = newterrain(T_ICEBERG);
+        t_ocean = newterrain(T_OCEAN);
+    }
     for (r = regions; r; r = r->next) {
-        if (r->terrain == newterrain(T_ICEBERG) && !fval(r, RF_SELECT)) {
+        if (r->terrain == t_iceberg && !fval(r, RF_SELECT)) {
             int select = rng_int() % 10;
             if (select < 4) {
                 /* 4% chance */
                 fset(r, RF_SELECT);
-                melt_iceberg(r);
+                melt_iceberg(r, t_ocean);
             }
             else if (select < 64) {
                 /* 60% chance */
@@ -798,7 +804,7 @@ void randomevents(void)
     region *r;
     faction *monsters = get_monsters();
 
-    if (config_get_int("modules.icebergs", 0)) {
+    if (config_get_int("modules.iceberg", 0)) {
         icebergs();
     }
     for (r = regions; r; r = r->next) {
@@ -807,7 +813,9 @@ void randomevents(void)
     godcurse();
     orc_growth();
     demon_skillchanges();
-    volcano_update();
+    if (volcano_module) {
+        volcano_update();
+    }
     /* Monumente zerfallen, Schiffe verfaulen */
 
     for (r = regions; r; r = r->next) {

src/volcano.c

@@ -314,3 +314,13 @@ void volcano_update(void)
         }
     }
 }
+
+bool volcano_module(void)
+{
+    static int cache;
+    static bool active;
+    if (config_changed(&cache)) {
+        active = config_get_int("modules.volcano", 0) != 0;
+    }
+    return active;
+}

src/volcano.h

@@ -27,6 +27,7 @@ extern "C" {
 
     void volcano_outbreak(struct region * r, struct region *rn);
     void volcano_update(void);
+    bool volcano_module(void);
     
 #ifdef __cplusplus
 }