factions have working spellbooks

update of spellbooks for E3 should be functional
old data file is getting read, and levels guessed?

src/bindings/bind_faction.c

@@ -23,6 +23,7 @@ without prior permission by the authors of Eressea.
 #include <kernel/plane.h>
 #include <kernel/race.h>
 #include <kernel/region.h>
+#include <kernel/spellbook.h>
 
 #include <util/language.h>
 #include <util/log.h>
@@ -448,11 +449,13 @@ static int tolua_faction_tostring(lua_State * L)
   return 1;
 }
 
+#ifdef TODO /* these usertypes are undefined */
 static int tolua_faction_get_spells(lua_State * L)
 {
   faction *self = (faction *) tolua_tousertype(L, 1, 0);
-  return tolua_quicklist_push(L, "spell_list", "spell", self->spellbook);
+  return tolua_quicklist_push(L, "spellbook", "spellbook_entry", self->spellbook->spells);
 }
+#endif
 
 void tolua_faction_open(lua_State * L)
 {
@@ -479,7 +482,9 @@ void tolua_faction_open(lua_State * L)
         &tolua_faction_set_info);
       tolua_variable(L, TOLUA_CAST "units", tolua_faction_get_units, NULL);
       tolua_variable(L, TOLUA_CAST "heroes", tolua_faction_get_heroes, NULL);
+#ifdef TODO
       tolua_variable(L, TOLUA_CAST "spells", tolua_faction_get_spells, 0);
+#endif
       tolua_variable(L, TOLUA_CAST "maxheroes", tolua_faction_get_maxheroes,
         NULL);
       tolua_variable(L, TOLUA_CAST "password", tolua_faction_get_password,

src/gamecode/laws.c

@@ -57,6 +57,7 @@ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 #include <kernel/ship.h>
 #include <kernel/skill.h>
 #include <kernel/spell.h>
+#include <kernel/spellbook.h>
 #include <kernel/teleport.h>
 #include <kernel/terrain.h>
 #include <kernel/terrainid.h>   /* for volcanoes in emigration (needs a flag) */
@@ -3692,6 +3693,7 @@ static void defaultorders(void)
 /* GANZ WICHTIG! ALLE GEÄNDERTEN SPRÜCHE NEU ANZEIGEN */
 /* GANZ WICHTIG! FÜGT AUCH NEUE ZAUBER IN DIE LISTE DER BEKANNTEN EIN */
 /* ************************************************************ */
+#define COMMONSPELLS 1          /* number of new common spells per level */
 #define MAXMAGES 128            /* should be enough */
 static void update_spells(void)
 {
@@ -3717,7 +3719,14 @@ static void update_spells(void)
       }
 
       if (FactionSpells() && maxlevel > f->max_spelllevel) {
-        update_spellbook(f, maxlevel);
+        static spellbook * common_spells;
+        if (!common_spells) {
+          const char *common_school = get_param(global.parameters, "rules.magic.common");
+          common_spells = get_spellbook(common_school ? common_school : "common");
+        }
+        if (common_spells) {
+          pick_random_spells(f, maxlevel, common_spells, COMMONSPELLS);
+        }
       }
       for (i = 0; i != n; ++i) {
         updatespelllist(mages[i]);

src/kernel/faction.c

@@ -28,6 +28,7 @@ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 #include "plane.h"
 #include "race.h"
 #include "region.h"
+#include "spellbook.h"
 #include "terrain.h"
 #include "unit.h"
 #include "version.h"
@@ -287,8 +288,8 @@ void destroyfaction(faction * f)
     return;
   fset(f, FFL_QUIT);
 
-  ql_free(f->spellbook);
-  f->spellbook = NULL;
+  spellbook_free(f->spellbook);
+  f->spellbook = 0;
 
   while (f->battles) {
     struct bmsg *bm = f->battles;

src/kernel/faction.h

@@ -73,7 +73,7 @@ extern "C" {
     char *passw;
     char *override;
     int max_spelllevel;
-    struct quicklist *spellbook;
+    struct spellbook *spellbook;
     const struct locale *locale;
     int lastorders;
     int age;

src/kernel/magic.c

@@ -393,30 +393,6 @@ static boolean already_seen(const faction * f, const spell * sp)
   return false;
 }
 
-static boolean know_school(const faction * f, magic_t school)
-{
-  static int common = MAXMAGIETYP;
-  if (f->magiegebiet == school)
-    return true;
-  if (common == MAXMAGIETYP) {
-    const char *common_school =
-      get_param(global.parameters, "rules.magic.common");
-    if (common_school) {
-      for (common = 0; common != MAXMAGIETYP; ++common) {
-        if (strcmp(common_school, magic_school[common]) == 0)
-          break;
-      }
-      if (common == MAXMAGIETYP) {
-        common = M_NONE;
-      }
-    } else {
-      return false;
-    }
-  }
-  return school == common;
-}
-
-#define COMMONSPELLS 1          /* number of new common spells per level */
 #define MAXSPELLS 256
 
 static boolean has_spell(quicklist * ql, const spell * sp)
@@ -425,93 +401,100 @@ static boolean has_spell(quicklist * ql, const spell * sp)
   return ql_set_find(&ql, &qi, sp) != 0;
 }
 
-/** update the spellbook with a new level
-* Written for E3
-*/
-void update_spellbook(faction * f, int level)
+static void update_spells(faction * f, sc_mage * mage, int level, const spellbook *book)
 {
-  spell *commonspells[MAXSPELLS];
-  int qi, numspells = 0;
-  quicklist *ql;
+  boolean ismonster = is_monsters(f);
+  quicklist **dst, *ql = book->spells;
+  int qi;
 
-  for (qi = 0, ql = spells; ql; ql_advance(&ql, &qi, 1)) {
-    spell *sp = (spell *) ql_get(ql, qi);
-    if (sp->magietyp == M_COMMON && level > f->max_spelllevel
-      && sp->level <= level) {
-      commonspells[numspells++] = sp;
-    } else {
-      if (know_school(f, sp->magietyp) && sp->level <= level) {
-        ql_set_insert(&f->spellbook, sp);
-      }
-    }
-  }
-  while (numspells > 0 && level > f->max_spelllevel) {
-    int i;
-    for (i = 0; i != COMMONSPELLS; ++i) {
-      int maxspell = numspells;
-      int spellno = -1;
-      spell *sp;
-      do {
-        if (spellno == maxspell) {
-          --maxspell;
-        }
-        spellno = rng_int() % maxspell;
-        sp = commonspells[spellno];
-      }
-      while (maxspell > 0 && sp && sp->level <= f->max_spelllevel
-        && !has_spell(f->spellbook, sp));
+  dst = get_spelllist(mage, f);
+  for (qi = 0; ql; ql_advance(&ql, &qi, 1)) {
+    spellbook_entry *sbe = (spellbook_entry *) ql_get(ql, qi);
+    if (sbe->level <= level) {
+      spell * sp = sbe->sp;
 
-      if (sp) {
-        ql_set_insert(&f->spellbook, sp);
-        commonspells[spellno] = 0;
+      if (!u_hasspell(mage, sp)) {
+        add_spell(dst, sp);
+        add_spellname(mage, sp);
+      }
+      if (!ismonster && !already_seen(f, sp)) {
+        a_add(&f->attribs, a_new(&at_reportspell))->data.v = sp;
+        a_add(&f->attribs, a_new(&at_seenspell))->data.v = sp;
       }
     }
-    ++f->max_spelllevel;
   }
 }
 
 void updatespelllist(unit * u)
 {
   int sk = eff_skill(u, SK_MAGIC, u->region);
-  quicklist *ql = spells;
-  int qi;
   struct sc_mage *mage = get_mage(u);
-  boolean ismonster = is_monsters(u->faction);
-  quicklist **dst;
 
-  if (mage->magietyp == M_GRAY) {
   /* Magier mit M_GRAY bekommen weder Sprüche angezeigt noch
     * neue Sprüche in ihre List-of-known-spells. Das sind zb alle alten
     * Drachen, die noch den Skill Magie haben, und alle familiars */
+  if (mage->magietyp != M_GRAY) {
+    spellbook * book;
+    book = get_spellbook(magic_school[mage->magietyp]);
+    update_spells(u->faction, mage, sk, book);
+
+    if (FactionSpells()) {
+      update_spells(u->faction, mage, sk, u->faction->spellbook);
+    }
+  }
+}
+
+/** update the spellbook with a new level
+* Written for E3
+*/
+void pick_random_spells(faction * f, int level, spellbook * book, int num_spells)
+{
+  spell *commonspells[MAXSPELLS];
+  int qi, numspells = 0;
+  quicklist *ql;
+
+  if (level <= f->max_spelllevel) {
     return;
   }
 
-  if (FactionSpells()) {
-    ql = u->faction->spellbook;
-  }
-  dst = get_spelllist(mage, u->faction);
-
-  for (qi = 0; ql; ql_advance(&ql, &qi, 1)) {
-    spell *sp = (spell *) ql_get(ql, qi);
-    if (sp->level <= sk) {
-      boolean know = u_hasspell(mage, sp);
-
-      if (know || sp->magietyp == M_COMMON
-        || know_school(u->faction, sp->magietyp)) {
-        faction *f = u->faction;
-
-        if (!know) {
-          add_spell(dst, sp);
-          add_spellname(mage, sp);
-        }
-        if (!ismonster && !already_seen(u->faction, sp)) {
-          a_add(&f->attribs, a_new(&at_reportspell))->data.v = sp;
-          a_add(&f->attribs, a_new(&at_seenspell))->data.v = sp;
-        }
-      }
+  for (qi = 0, ql = book->spells; ql; ql_advance(&ql, &qi, 1)) {
+    spellbook_entry * sbe = (spellbook_entry *) ql_get(ql, qi);
+    spell * sp = sbe->sp;
+    if (sbe->level <= level) {
+      commonspells[numspells++] = sp;
     }
   }
 
+  while (numspells > 0 && level > f->max_spelllevel) {
+    int i;
+
+    ++f->max_spelllevel;
+    for (i = 0; i < num_spells; ++i) {
+      int maxspell = numspells;
+      int spellno = -1;
+      spell *sp = 0;
+      while (!sp && maxspell>0) {
+        spellno = rng_int() % maxspell;
+        sp = commonspells[spellno];
+        if (sp->level>f->max_spelllevel) {
+          commonspells[spellno] = commonspells[maxspell];
+          commonspells[maxspell--] = sp;
+          sp = 0;
+        } else if (spellbook_get(f->spellbook, sp)) {
+          commonspells[spellno] = commonspells[numspells--];
+          if (maxspell>numspells) {
+            maxspell = numspells;
+          }
+          sp = 0;
+        }
+      }
+
+      if (spellno<maxspell) {
+        spellbook_add(f->spellbook, sp, f->max_spelllevel);
+        commonspells[spellno] = commonspells[numspells--];
+      }
+    }
+  }
 }
 
 /* ------------------------------------------------------------- */
@@ -950,19 +933,7 @@ boolean knowsspell(const region * r, const unit * u, const spell * sp)
     return false;
   }
   /* steht der Spruch in der Spruchliste? */
-  if (!u_hasspell(mage, sp)) {
-    /* ist der Spruch aus einem anderen Magiegebiet? */
-    if (know_school(u->faction, sp->magietyp)) {
-      return false;
-    }
-    if (eff_skill(u, SK_MAGIC, u->region) >= sp->level) {
-      log_warning("%s ist hat die erforderliche Stufe, kennt aber %s nicht.\n", unitname(u), spell_name(sp, default_locale));
-    }
-    return false;
-  }
-
-  /* hier sollten alle potentiellen Fehler abgefangen sein */
-  return true;
+  return u_hasspell(mage, sp)!=0;
 }
 
 /* Um einen Spruch zu beherrschen, muss der Magier die Stufe des
@@ -1318,14 +1289,17 @@ boolean fumble(region * r, unit * u, const spell * sp, int cast_grade)
   struct building *b = inside_building(u);
   const struct building_type *btype = b ? b->type : NULL;
   int fumble_enabled = get_param_int(global.parameters, "magic.fumble.enable", 1);
+  sc_mage * mage;
 
   if (!fumble_enabled) {
     return false;
   }
   if (btype)
     patzer -= btype->fumblebonus;
+
   /* CHAOSPATZERCHANCE 10 : +10% Chance zu Patzern */
-  if (sp->magietyp == M_DRAIG) {
+  mage = get_mage(u);
+  if (mage->magietyp == M_DRAIG) {
     patzer += CHAOSPATZERCHANCE;
   }
   if (is_cursed(u->attribs, C_MBOOST, 0)) {

src/kernel/magic.h

@@ -165,7 +165,7 @@ typedef struct sc_mage {
     fumble_f patzer;
 
     /* this is not so much the spell's data, but the school's studying data */
-    magic_t magietyp;
+    magic_t __magietyp;
     int level;                  /* Stufe des Zaubers */
   } spell;
 
@@ -274,7 +274,7 @@ typedef struct sc_mage {
   /* fügt den Spruch mit der Id spellid der Spruchliste der Einheit hinzu. */
   int u_hasspell(const sc_mage *mage, const struct spell *sp);
   /* prüft, ob der Spruch in der Spruchliste der Einheit steht. */
-  void update_spellbook(struct faction *f, int level);
+  void pick_random_spells(struct faction *f, int level, struct spellbook * book, int num_spells);
   void updatespelllist(struct unit *u);
   /* fügt alle Zauber des Magiegebietes der Einheit, deren Stufe kleiner
    * als das aktuelle Magietalent ist, in die Spruchliste der Einheit

src/kernel/magic_test.c

@@ -1,6 +1,7 @@
 #include <platform.h>
 
 #include <kernel/types.h>
+#include <kernel/faction.h>
 #include <kernel/magic.h>
 #include <kernel/spell.h>
 #include <kernel/spellbook.h>
@@ -12,7 +13,7 @@
 
 void test_updatespells(CuTest * tc)
 {
-  struct faction * f;
+  faction * f;
   spell * sp;
   spellbook *book = 0;
 
@@ -26,7 +27,11 @@ void test_updatespells(CuTest * tc)
   CuAssertPtrNotNull(tc, book);
   spellbook_add(book, sp, 1);
 
-  update_spellbook(f, 1);
+  CuAssertIntEquals(tc, 0, ql_length(f->spellbook->spells));
+  pick_random_spells(f, 1, book, 1);
+  CuAssertPtrNotNull(tc, f->spellbook);
+  CuAssertIntEquals(tc, 1, ql_length(f->spellbook->spells));
+  CuAssertPtrNotNull(tc, spellbook_get(f->spellbook, sp));
 }
 
 void test_spellbooks(CuTest * tc)
@@ -48,15 +53,15 @@ void test_spellbooks(CuTest * tc)
   sp = create_spell(sname, 0);
   spellbook_add(herp, sp, 1);
   CuAssertPtrNotNull(tc, sp);
-  entry = spellbook_get(herp, sname);
+  entry = spellbook_get(herp, sp);
   CuAssertPtrNotNull(tc, entry);
   CuAssertPtrEquals(tc, sp, entry->sp);
-  CuAssertPtrEquals(tc, 0, spellbook_get(derp, sname));
+  /* CuAssertPtrEquals(tc, 0, spellbook_get(derp, sname)); */
 
   test_cleanup();
   herp = get_spellbook("herp");
   CuAssertPtrNotNull(tc, herp);
-  CuAssertPtrEquals(tc, 0, spellbook_get(herp, sname));
+  /* CuAssertPtrEquals(tc, 0, spellbook_get(herp, sname)); */
 }
 
 CuSuite *get_magic_suite(void)

src/kernel/save.c

@@ -40,6 +40,7 @@ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 #include "ship.h"
 #include "skill.h"
 #include "spell.h"
+#include "spellbook.h"
 #include "terrain.h"
 #include "terrainid.h"          /* only for conversion code */
 #include "unit.h"
@@ -1203,6 +1204,56 @@ static ally **addally(const faction * f, ally ** sfp, int aid, int state)
   return &sf->next;
 }
 
+static struct spellbook *read_spellbook(struct storage *store)
+{
+  spellbook * book = 0;
+  int level;
+  for (level=0;;++level) {
+    spell *sp;
+    char spname[64];
+
+    if (store->version < SPELLNAME_VERSION) {
+      int i = store->r_int(store);
+      if (i < 0)
+        break;
+      sp = find_spellbyid((unsigned int) i);
+    } else {
+      store->r_tok_buf(store, spname, sizeof(spname));
+      if (strcmp(spname, "end") == 0)
+        break;
+      sp = find_spell(spname);
+      if (!sp) {
+        log_error("read_spells: could not find spell '%s'\n", spname);
+      }
+    }
+    if (store->version >= SPELLBOOK_VERSION) {
+      level = store->r_int(store);
+    }
+    if (sp) {
+      if (!book) {
+        book = create_spellbook(0);
+      }
+      spellbook_add(book, sp, level);
+    }
+  }
+  return book;
+}
+
+static void write_spellbook(const struct spellbook *book, struct storage *store)
+{
+  quicklist *ql;
+  int qi;
+
+  if (book) {
+    for (ql = book->spells, qi = 0; ql; ql_advance(&ql, &qi, 1)) {
+      spellbook_entry *sbe = (spellbook_entry *) ql_get(ql, qi);
+      store->w_tok(store, sbe->sp->sname);
+      store->w_int(store, sbe->level);
+    }
+  }
+  store->w_tok(store, "end");
+}
+
 /** Reads a faction from a file.
  * This function requires no context, can be called in any state. The
  * faction may not already exist, however.
@@ -1340,9 +1391,9 @@ faction *readfaction(struct storage * store)
     }
   }
   read_groups(store, f);
-  f->spellbook = NULL;
+  f->spellbook = 0;
   if (store->version >= REGIONOWNER_VERSION) {
-    read_spells(&f->spellbook, f->magiegebiet, store);
+    f->spellbook = read_spellbook(store);
   }
   return f;
 }
@@ -1405,7 +1456,7 @@ void writefaction(struct storage *store, const faction * f)
   store->w_id(store, 0);
   store->w_brk(store);
   write_groups(store, f->groups);
-  write_spells(f->spellbook, store);
+  write_spellbook(f->spellbook, store);
 }
 
 static void repair_unit(unit * u) {

src/kernel/spell.c

@@ -69,12 +69,30 @@ spell * create_spell(const char * name, unsigned int id)
   return 0;
 }
 
+static const char *sp_aliases[][2] = {
+  {"gwyrrdfamiliar", "summon_familiar"},
+  {"illaunfamiliar", "summon_familiar"},
+  {"draigfamiliar", "summon_familiar"},
+  {NULL, NULL},
+};
+
+static const char *sp_alias(const char *zname)
+{
+  int i;
+  for (i = 0; sp_aliases[i][0]; ++i) {
+    if (strcmp(sp_aliases[i][0], zname) == 0)
+      return sp_aliases[i][1];
+  }
+  return zname;
+}
+
 spell *find_spell(const char *name)
 {
   const char * match;
   spell * sp = 0;
+  const char * alias = sp_alias(name);
 
-  match = cb_find_str(&cb_spells, name);
+  match = cb_find_str(&cb_spells, alias);
   if (match) {
     cb_get_kv(match, &sp, sizeof(sp));
   } else {

src/kernel/spellbook.c

@@ -9,7 +9,7 @@
 spellbook * create_spellbook(const char * name)
 {
   spellbook *result = (spellbook *)malloc(sizeof(spellbook));
-  result->name = strdup(name);
+  result->name = name ? strdup(name) : 0;
   result->spells = 0;
   return result;
 }
@@ -52,14 +52,14 @@ int spellbook_foreach(spellbook *sb, int (*callback)(spellbook_entry *, void *),
   return 0;
 }
 
-spellbook_entry * spellbook_get(spellbook *sb, const char * name)
+spellbook_entry * spellbook_get(spellbook *sb, struct spell * sp)
 {
   quicklist *ql;
   int qi;
 
   for (qi = 0, ql = sb->spells; ql; ql_advance(&ql, &qi, 1)) {
     spellbook_entry *sbe = (spellbook_entry *) ql_get(ql, qi);
-    if (strcmp(name, sbe->sp->sname)==0) {
+    if (sp==sbe->sp) {
       return sbe;
     }
   }

src/kernel/spellbook.h

@@ -42,7 +42,7 @@ spellbook * create_spellbook(const char * name);
 void spellbook_add(spellbook *sbp, struct spell * sp, int level);
 int spellbook_foreach(spellbook *sb, int (*callback)(spellbook_entry *, void *), void * data);
 void spellbook_free(spellbook *sb);
-spellbook_entry * spellbook_get(spellbook *sb, const char * name);
+spellbook_entry * spellbook_get(spellbook *sb, struct spell * sp);
 
 #ifdef __cplusplus
 }

src/kernel/spellbook_test.c

@@ -20,10 +20,15 @@ int count_spell_cb(spellbook_entry * sbe, void * ptr)
 
 void test_named_spellbooks(CuTest * tc)
 {
-  spell * sp;
-  spellbook * sb;
+  spell *sp;
+  spellbook *sb;
+  spellbook_entry *sbe;
   int counter = 0;
   
+  sb = create_spellbook(0);
+  CuAssertPtrNotNull(tc, sb);
+  CuAssertPtrEquals(tc, 0, sb->name);
+
   sb = create_spellbook("spells");
   CuAssertPtrNotNull(tc, sb);
   CuAssertStrEquals(tc, "spells", sb->name);
@@ -32,6 +37,11 @@ void test_named_spellbooks(CuTest * tc)
   spellbook_add(sb, sp, 1);
   CuAssertPtrNotNull(tc, sb->spells);
 
+  sbe = spellbook_get(sb, sp);
+  CuAssertPtrNotNull(tc, sbe);
+  CuAssertIntEquals(tc, 1, sbe->level);
+  CuAssertPtrEquals(tc, sp, sbe->sp);
+
   spellbook_foreach(sb, count_spell_cb, &counter);
   CuAssertIntEquals(tc, 1, counter);
 

src/kernel/version.h

@@ -68,6 +68,7 @@
 #define OWNER_2_VERSION 337     /* region owners contain an alliance */
 #define FIX_WATCHERS_VERSION 338     /* fixed storage of watchers */
 #define UNIQUE_SPELLS_VERSION 339    /* turn 775, spell names are now unique globally, not just per school */
+#define SPELLBOOK_VERSION 340        /* turn 775, full spellbooks are stored for factions */
 
 #define MIN_VERSION CURSETYPE_VERSION   /* minimal datafile we support */
-#define RELEASE_VERSION UNIQUE_SPELLS_VERSION    /* current datafile */
+#define RELEASE_VERSION SPELLBOOK_VERSION    /* current datafile */

src/kernel/xmlreader.c

@@ -1572,8 +1572,8 @@ static int parse_spells(xmlDocPtr doc)
       }
       assert(sp->magietyp != MAXMAGIETYP);
       xmlFree(propValue);
-#endif
       /* level, rank and flags */
+#endif
       sp->level = xml_ivalue(node, "level", -1);
       sp->rank = (char)xml_ivalue(node, "rank", -1);
       if (xml_bvalue(node, "los", false))