From 26c31708dc59cf5d99598f64de4c516cfbf7b4b7 Mon Sep 17 00:00:00 2001
From: Enno Rehling <enno.rehling@gmail.com>
Date: Fri, 8 Dec 2017 20:27:43 +0100
Subject: [PATCH] delete dead code.

---
 src/kernel/resources.c | 24 ------------------------
 src/kernel/save.c      | 38 +++-----------------------------------
 src/move.c             |  5 ++---
 src/spells.c           | 22 ----------------------
 4 files changed, 5 insertions(+), 84 deletions(-)

diff --git a/src/kernel/resources.c b/src/kernel/resources.c
index 842cb83ba..2f99315e3 100644
--- a/src/kernel/resources.c
+++ b/src/kernel/resources.c
@@ -124,30 +124,6 @@ static void terraform_default(struct rawmaterial *res, const region * r)
     UNUSED_ARG(r);
 }
 
-#ifdef RANDOM_CHANGE
-static void resource_random_change(int *pvalue, bool used)
-{
-    int split = 5;
-    int rnd = rng_int() % 100;
-
-    if (pvalue == 0 || rnd % 10 >= 10)
-        return;
-    if (used)
-        split = 4;
-    /* if a resource was mined this round, there is a 6% probability
-     * of a decline and a 4% probability of a raise. */
-    /* if it wasn't mined this round, there is an equal probability
-     * of 5% for a decline or a raise. */
-    if (rnd < split) {
-        (*pvalue)++;
-    } else {
-        (*pvalue)--;
-    }
-    if ((*pvalue) < 0)
-        (*pvalue) = 0;
-}
-#endif
-
 static int visible_default(const rawmaterial * res, int skilllevel)
 /* resources are visible, if skill equals minimum skill to mine them
  * plus current level of difficulty */
diff --git a/src/kernel/save.c b/src/kernel/save.c
index 386c7523c..ba7692806 100644
--- a/src/kernel/save.c
+++ b/src/kernel/save.c
@@ -102,30 +102,6 @@ int firstx = 0, firsty = 0;
 /* TODO: is this still important? */
 int enc_gamedata = ENCODING_UTF8;
 
-/* local symbols */
-static region *current_region;
-
-char *rns(FILE * f, char *c, size_t size)
-{
-    char *s = c;
-    do {
-        *s = (char)getc(f);
-    } while (*s != '"');
-
-    for (;;) {
-        *s = (char)getc(f);
-        if (*s == '"')
-            break;
-        if (s < c + size)
-            ++s;
-    }
-    *s = 0;
-    return c;
-}
-
-int maxregions = -1;
-int loadplane = 0;
-
 static void read_alliances(gamedata *data)
 {
     storage *store = data->store;
@@ -635,7 +611,6 @@ static region *readregion(gamedata *data, int x, int y)
     }
     else {
         assert(uid == 0 || r->uid == uid);
-        current_region = r;
         while (r->attribs)
             a_remove(&r->attribs, r->attribs);
         if (r->land) {
@@ -1399,7 +1374,6 @@ int read_game(gamedata *data)
     building **bp;
     ship **shp;
     unit *u;
-    int rmax = maxregions;
     storage * store = data->store;
     const struct building_type *bt_lighthouse = bt_find("lighthouse");
     const struct race *rc_spell = rc_find("spell");
@@ -1443,11 +1417,9 @@ int read_game(gamedata *data)
     /* Regionen */
 
     READ_INT(store, &nread);
-    assert(nread < MAXREGIONS && nread>=0);
-    if (rmax < 0) {
-        rmax = nread;
-    }
-    log_debug(" - Einzulesende Regionen: %d/%d", rmax, nread);
+    assert(nread < MAXREGIONS && nread >=0);
+
+    log_debug(" - Einzulesende Regionen: %d", nread);
 
     while (--nread >= 0) {
         unit **up;
@@ -1510,7 +1482,6 @@ int read_game(gamedata *data)
                 update_interval(u->faction, r);
             }
         }
-        --rmax;
     }
     read_borders(data);
 
@@ -1572,9 +1543,6 @@ int read_game(gamedata *data)
         fix_familiars();
     }
 
-    if (loadplane || maxregions >= 0) {
-        remove_empty_factions();
-    }
     log_debug("Done loading turn %d.", turn);
 
     return 0;
diff --git a/src/move.c b/src/move.c
index 01c5e94b2..289d7a421 100644
--- a/src/move.c
+++ b/src/move.c
@@ -1764,10 +1764,9 @@ static void sail(unit * u, order * ord, region_list ** routep, bool drifting)
         }
 
         if (!flying_ship(sh)) {
-            int stormchance = 0;
-            int reason;
             if (storms_enabled) {
-                int stormyness;
+                int stormchance = 0;
+                int stormyness, reason;
                 gamedate date;
                 get_gamedate(turn, &date);
                 stormyness = storms ? storms[date.month] * 5 : 0;
diff --git a/src/spells.c b/src/spells.c
index 74f466583..833061b0a 100644
--- a/src/spells.c
+++ b/src/spells.c
@@ -4527,28 +4527,6 @@ int sp_illusionary_shapeshift(castorder * co)
     return cast_level;
 }
 
-/* ------------------------------------------------------------- */
-/* Name:     Regionstraum analysieren
- * Stufe:   9
- * Aura:     18
- * Kosten:   SPC_FIX
- * Wirkung:
- *  Zeigt die Verzauberungen eines Objekts an (curse->name,
- *  curse::info). Aus der Differenz Spruchstaerke und Curse->vigour
- *  ergibt sich die Chance den Spruch zu identifizieren ((force -
- *  c->vigour)*10 + 100 %).
- */
-int sp_analyseregionsdream(castorder * co)
-{
-    region *r = co_get_region(co);
-    unit *mage = co->magician.u;
-    int cast_level = co->level;
-
-    magicanalyse_region(r, mage, cast_level);
-
-    return cast_level;
-}
-
 /* ------------------------------------------------------------- */
 /* Name:     Traumbilder erkennen
  * Stufe:   5