Implementation of Item Options System.

Allows the infusing of equipments with bonus item options.
This feature is constrained to clients of packet versions greater than or equal to `20150226`.
Item Options and their effects are defined server-side in `db/item_options.conf` and client side in `data/luafiles514/lua files/datainfo/addrandomoptionnametable.lub`
The ID of the option must tally with the correct index of the description provided in the client side lua file to avoid bugs.
IT_OPT_* keys and MAX_ITEM_OPTIONS macro are also exported from the source as constants.
An additional flag `disable_options` has been added to sql, and as `DisableOptions: true/false    (boolean, defaults to false !!for equipments only!!)` to item_db.conf files.
Script commands documentation is also included.
SQL file updates are included.

Credits: [Smokexyz](https://github.com/Smokexyz)
Style and Script Fixes by [Asheraf](https://github.com/Asheraf)
Initial design Idea by [secretdataz](https://github.com/secretdataz)

1 files changed, 35 insertions, 2 deletions

diff --git a/src/map/status.c b/src/map/status.c
index 78c11899b..d8fb9a350 100644
--- a/src/map/status.c
+++ b/src/map/status.c
@@ -2400,8 +2400,8 @@ int status_calc_pc_(struct map_session_data* sd, enum e_status_calc_opt opt)
 		bstatus->speed = pSpeed;
 	}
 
-	//FIXME: Most of these stuff should be calculated once, but how do I fix the memset above to do that? [Skotlex]
-	//Give them all modes except these (useful for clones)
+	// FIXME: Most of these stuff should be calculated once, but how do I fix the memset above to do that? [Skotlex]
+	// Give them all modes except these (useful for clones)
 	bstatus->mode = MD_MASK&~(MD_BOSS|MD_PLANT|MD_DETECTOR|MD_ANGRY|MD_TARGETWEAK);
 
 	bstatus->size = ((sd->job & JOBL_BABY) != 0 || (sd->job & MAPID_BASEMASK) == MAPID_SUMMONER)?SZ_SMALL:SZ_MEDIUM;
@@ -2646,6 +2646,39 @@ int status_calc_pc_(struct map_session_data* sd, enum e_status_calc_opt opt)
 			}
 		}
 	}
+	
+	/* parse item options [Smokexyz] */
+	for (i = 0; i < EQI_MAX; i++) {
+		status->current_equip_item_index = index = sd->equip_index[i];
+		status->current_equip_option_index = -1;
+		
+		if (i == EQI_HAND_R && sd->equip_index[EQI_HAND_L] == index)
+			continue;
+		else if (i == EQI_HEAD_MID && sd->equip_index[EQI_HEAD_LOW] == index)
+			continue;
+		else if (i == EQI_HEAD_TOP && (sd->equip_index[EQI_HEAD_MID] == index || sd->equip_index[EQI_HEAD_LOW] == index))
+			continue;
+		
+		if (index >= 0 && sd->inventory_data[index]) {
+			int j = 0;
+			for (j = 0; j < MAX_ITEM_OPTIONS; j++) {
+				int16 option_index = sd->status.inventory[index].option[j].index;
+				struct item_option *ito = NULL;
+				
+				if (option_index == 0 || (ito = itemdb->option_exists(option_index)) == NULL || ito->script == NULL)
+					continue;
+				
+				status->current_equip_option_index = j;
+				script->run(ito->script, 0, sd->bl.id, 0);
+				
+				if (calculating == 0) //Abort, script->run his function. [Skotlex]
+					return 1;
+			}
+		}
+	}
+
+	status->current_equip_option_index = -1;
+	status->current_equip_item_index = -1;
 
 	status->calc_pc_additional(sd, opt);