Implemented "item_nouse.txt" to prevent players from using items under certain flags (which are pre-determined).

Fixes issue:7064. Thanks to Muad_Dib for providing the item list for this db.

Signed-off-by: Matheus Macabu <mkbu95@gmail.com>

3 files changed, 38 insertions, 0 deletions

diff --git a/src/map/itemdb.c b/src/map/itemdb.c
index 386f38c5a..0b4419e0c 100644
--- a/src/map/itemdb.c
+++ b/src/map/itemdb.c
@@ -727,6 +727,31 @@ static bool itemdb_read_buyingstore(char* fields[], int columns, int current)
 
 	return true;
 }
+
+/*******************************************
+** Item usage restriction (item_nouse.txt)
+********************************************/
+static bool itemdb_read_nouse(char* fields[], int columns, int current)
+{// <nameid>,<flag>,<override>
+	int nameid, flag, override;
+	struct item_data* id;
+
+	nameid = atoi(fields[0]);
+	
+	if( ( id = itemdb_exists(nameid) ) == NULL ) {
+		ShowWarning("itemdb_read_nouse: Invalid item id %d.\n", nameid);
+		return false;
+	}
+	
+	flag = atoi(fields[1]);
+	override = atoi(fields[2]);
+
+	id->item_usage.flag = flag;
+	id->item_usage.override = override;
+
+	return true;
+}
+
 /**
  * @return: amount of retrieved entries.
  **/
@@ -1304,6 +1329,7 @@ static void itemdb_read(void) {
 	sv_readdb(db_path, "item_delay.txt",         ',', 2, 2, -1, &itemdb_read_itemdelay);
 	sv_readdb(db_path, "item_stack.txt",         ',', 3, 3, -1, &itemdb_read_stack);
 	sv_readdb(db_path, DBPATH"item_buyingstore.txt",   ',', 1, 1, -1, &itemdb_read_buyingstore);
+	sv_readdb(db_path, "item_nouse.txt",		 ',', 3, 3, -1, &itemdb_read_nouse);
 	
 	itemdb_uid_load();
 }
diff --git a/src/map/itemdb.h b/src/map/itemdb.h
index 362b42cff..c441de26a 100644
--- a/src/map/itemdb.h
+++ b/src/map/itemdb.h
@@ -68,6 +68,10 @@ enum {
 	ITEMID_SPECIAL_COOLER,
 } mecha_item_list;
 
+enum {
+	NOUSE_SITTING = 0x01,
+} item_nouse_list;
+
 //The only item group required by the code to be known. See const.txt for the full list.
 #define IG_FINDINGORE 6
 #define IG_POTION 37
@@ -136,6 +140,10 @@ struct item_data {
 		unsigned int storage:1;
 		unsigned int guildstorage:1;
 	} stack;
+	struct {// used by item_nouse.txt
+		unsigned int flag;
+		unsigned short override;
+	} item_usage;
 	short gm_lv_trade_override;	//GM-level to override trade_restriction
 	/* bugreport:309 */
 	struct item_combo **combos;
diff --git a/src/map/pc.c b/src/map/pc.c
index afc92594b..892c27e87 100644
--- a/src/map/pc.c
+++ b/src/map/pc.c
@@ -4086,6 +4086,10 @@ int pc_isUseitem(struct map_session_data *sd,int n)
 	if( !item->script ) //if it has no script, you can't really consume it!
 		return 0;
 
+	if( (item->item_usage.flag&NOUSE_SITTING) && (pc_issit(sd) == 1) && (pc_get_group_level(sd) < item->item_usage.override) ) {
+		return 0; // You cannot use this item while sitting.
+	}
+
 	switch( nameid ) //@TODO, lot oh harcoded nameid here
 	{
 		case 605: // Anodyne