Add new constant MAX_ITEM_ID for maximum allowed item id.

For clients older than 2018-07-04 Re maximum supported and enabled id is 65535 (0xffff).
For newer clients miximum id is 2147483648. Enabled by default 131072 (0x20000)

1 files changed, 64 insertions, 11 deletions

diff --git a/src/map/mob.c b/src/map/mob.c
index 403e3a2f2..0dbff9211 100644
--- a/src/map/mob.c
+++ b/src/map/mob.c
@@ -88,6 +88,7 @@ struct item_drop_ratio {
 	int mob_id[MAX_ITEMRATIO_MOBS];
 };
 static struct item_drop_ratio *item_drop_ratio_db[MAX_ITEMDB];
+static struct DBMap *item_drop_ratio_other_db = NULL;
 
 static struct eri *item_drop_ers; //For loot drops delay structures.
 static struct eri *item_drop_list_ers;
@@ -3791,6 +3792,28 @@ static unsigned int mob_drop_adjust(int baserate, int rate_adjust, unsigned shor
 	return (unsigned int)cap_value(rate,rate_min,rate_max);
 }
 
+static struct item_drop_ratio *mob_get_item_drop_ratio(int nameid)
+{
+	Assert_retr(NULL, nameid > 0);
+	if (nameid < ARRAYLENGTH(item_drop_ratio_db)) {
+		return item_drop_ratio_db[nameid];
+	} else {
+		return (struct item_drop_ratio *)idb_get(item_drop_ratio_other_db, nameid);
+	}
+}
+
+static void mob_set_item_drop_ratio(int nameid, struct item_drop_ratio *ratio)
+{
+	Assert_retv(nameid > 0);
+	if (nameid < ARRAYLENGTH(item_drop_ratio_db)) {
+		Assert_retv(item_drop_ratio_db[nameid] == NULL);
+		item_drop_ratio_db[nameid] = ratio;
+	} else {
+		Assert_retv(idb_get(item_drop_ratio_other_db, nameid) == NULL);
+		idb_put(item_drop_ratio_other_db, nameid, ratio);
+	}
+}
+
 /**
  * Check if global item drop rate is overridden for given item
  * in db/mob_item_ratio.txt
@@ -3800,16 +3823,19 @@ static unsigned int mob_drop_adjust(int baserate, int rate_adjust, unsigned shor
  */
 static void item_dropratio_adjust(int nameid, int mob_id, int *rate_adjust)
 {
+	struct item_drop_ratio *dropRatio;
 	nullpo_retv(rate_adjust);
-	if( item_drop_ratio_db[nameid] ) {
-		if( item_drop_ratio_db[nameid]->mob_id[0] ) { // only for listed mobs
+
+	dropRatio = mob->get_item_drop_ratio(nameid);
+	if (dropRatio) {
+		if (dropRatio->mob_id[0] ) { // only for listed mobs
 			int i;
-			ARR_FIND(0, MAX_ITEMRATIO_MOBS, i, item_drop_ratio_db[nameid]->mob_id[i] == mob_id);
-			if(i < MAX_ITEMRATIO_MOBS) // found
-				*rate_adjust = item_drop_ratio_db[nameid]->drop_ratio;
+			ARR_FIND(0, MAX_ITEMRATIO_MOBS, i, dropRatio->mob_id[i] == mob_id);
+			if (i < MAX_ITEMRATIO_MOBS) // found
+				*rate_adjust = dropRatio->drop_ratio;
 		}
 		else // for all mobs
-			*rate_adjust = item_drop_ratio_db[nameid]->drop_ratio;
+			*rate_adjust = dropRatio->drop_ratio;
 	}
 }
 
@@ -5142,6 +5168,7 @@ static bool mob_readdb_race2(char *fields[], int columns, int current)
 static bool mob_readdb_itemratio(char *str[], int columns, int current)
 {
 	int nameid, ratio, i;
+	struct item_drop_ratio *dropRatio;
 
 	nullpo_retr(false, str);
 	nameid = atoi(str[0]);
@@ -5154,12 +5181,15 @@ static bool mob_readdb_itemratio(char *str[], int columns, int current)
 
 	ratio = atoi(str[1]);
 
-	if(item_drop_ratio_db[nameid] == NULL)
-		item_drop_ratio_db[nameid] = (struct item_drop_ratio*)aCalloc(1, sizeof(struct item_drop_ratio));
+	dropRatio = mob->get_item_drop_ratio(nameid);
+	if (dropRatio == NULL) {
+		dropRatio = (struct item_drop_ratio*)aCalloc(1, sizeof(struct item_drop_ratio));
+		mob->set_item_drop_ratio(nameid, dropRatio);
+	}
 
-	item_drop_ratio_db[nameid]->drop_ratio = ratio;
-	for(i = 0; i < columns-2; i++)
-		item_drop_ratio_db[nameid]->mob_id[i] = atoi(str[i+2]);
+	dropRatio->drop_ratio = ratio;
+	for (i = 0; i < columns - 2; i++)
+		dropRatio->mob_id[i] = atoi(str[i + 2]);
 
 	return true;
 }
@@ -5183,6 +5213,19 @@ static void mob_load(bool minimal)
 	sv->readdb(map->db_path, DBPATH"mob_race2_db.txt", ',', 2, 20, -1, mob->readdb_race2);
 }
 
+/**
+ * @see DBApply
+ */
+static int mob_final_ratio_sub(union DBKey key, struct DBData *data, va_list ap)
+{
+	struct item_drop_ratio *ratio = DB->data2ptr(data);
+
+	if (ratio)
+		aFree(ratio);
+
+	return 0;
+}
+
 static void mob_reload(void)
 {
 	int i;
@@ -5201,6 +5244,7 @@ static void mob_reload(void)
 			item_drop_ratio_db[i] = NULL;
 		}
 	}
+	mob->item_drop_ratio_other_db->clear(mob->item_drop_ratio_other_db, mob->final_ratio_sub);
 
 	mob->load(false);
 }
@@ -5291,6 +5335,8 @@ static int do_final_mob(void)
 			item_drop_ratio_db[i] = NULL;
 		}
 	}
+	mob->item_drop_ratio_other_db->clear(mob->item_drop_ratio_other_db, mob->final_ratio_sub);
+	db_destroy(mob->item_drop_ratio_other_db);
 	ers_destroy(item_drop_ers);
 	ers_destroy(item_drop_list_ers);
 	return 0;
@@ -5334,6 +5380,10 @@ void mob_defaults(void)
 	memcpy(mob->splendide, mob_splendide, sizeof(mob->splendide));
 	memcpy(mob->mora, mob_mora, sizeof(mob->mora));
 
+	item_drop_ratio_other_db = idb_alloc(DB_OPT_BASE);
+	mob->item_drop_ratio_db = item_drop_ratio_db;
+	mob->item_drop_ratio_other_db = item_drop_ratio_other_db;
+
 	/* */
 	mob->reload = mob_reload;
 	mob->init = do_init_mob;
@@ -5438,6 +5488,9 @@ void mob_defaults(void)
 	mob->readdb_race2 = mob_readdb_race2;
 	mob->readdb_itemratio = mob_readdb_itemratio;
 	mob->load = mob_load;
+	mob->get_item_drop_ratio = mob_get_item_drop_ratio;
+	mob->set_item_drop_ratio = mob_set_item_drop_ratio;
+	mob->final_ratio_sub = mob_final_ratio_sub;
 	mob->clear_spawninfo = mob_clear_spawninfo;
 	mob->destroy_mob_db = mob_destroy_mob_db;
 	mob->skill_db_libconfig = mob_skill_db_libconfig;