Implemented basic script commands to apply options to equipped item.

doc/script_commands.txt

@@ -9172,5 +9172,45 @@ Requires client 2015-05-13aRagEXE or newer.
 
 ---------------------------------------
 
+*getrandomoptinfo(<type>);
+
+Returns value of an attribute of current random option.
+
+Valid attributes are:
+ROA_ID - ID of current option
+ROA_VALUE - Value field of current option
+ROA_PARAM - Param field of current option
+
+This script command is intended for using in random option scripts.
+
+---------------------------------------
+
+*getequiprandomoption(<equipment indice>,<index>,<type>{,<char id>});
+
+Returns value of an attribute of a random option on an equipped item.
+
+For valid equipment indices, see `getequipid` command reference.
+
+index parameter can be 0 to MAX_ITEM_RDM_OPT-1 (default 0-4).
+
+For valid attribute types, see `getrandomoptinfo` command reference.
+
+---------------------------------------
+
+*setrandomoption(<equipment indice>,<index>,<id>,<value>,<param>{,<char id>});
+
+Sets <index+1>th random option for equipment equipped at <equipment indice>
+to <id>, <value> and <param>.
+
+For valid equipment indices, see `getequipid` command reference.
+
+index parameter can be 0 to MAX_ITEM_RDM_OPT-1 (default 0-4).
+
+ID - ID of random option. See db/const.txt for constants.
+Value - Value of random option
+Param - Parameter of random option
+
+---------------------------------------
+
 Whew.
 That's about all of them.

src/map/itemdb.h

@@ -535,7 +535,7 @@ uint16 itemdb_get_randgroupitem_count(uint16 group_id, uint8 sub_group, unsigned
 
 bool itemdb_parse_roulette_db(void);
 
-struct s_random_opt_data* itemdb_randomopt_exists(short id);
+struct s_random_opt_data *itemdb_randomopt_exists(short id);
 
 void itemdb_reload(void);
 

src/map/script.c

@@ -21536,16 +21536,25 @@ BUILDIN_FUNC(hateffect){
 **/
 BUILDIN_FUNC(getrandomoptinfo) {
 	struct map_session_data *sd;
-	int param = script_getnum(st, 1);
+	int val;
+	int param = script_getnum(st, 2);
 	if ((sd = script_rid2sd(st)) != NULL && current_equip_item_index && current_equip_item_index > -1 && sd->status.inventory[current_equip_item_index].option[current_equip_opt_index].id) {
-		if (param == ROA_VALUE)
+		switch (param) {
-			script_pushint(st, sd->status.inventory[current_equip_item_index].option[current_equip_opt_index].value);
+			case ROA_ID:
-		else if (param == ROA_PARAM)
+				val = sd->status.inventory[current_equip_item_index].option[current_equip_opt_index].id;
-			script_pushint(st, sd->status.inventory[current_equip_item_index].option[current_equip_opt_index].param);
+				break;
-		else {
+			case ROA_VALUE:
-			ShowWarning("buildin_getrandomoptinfo: Unknown parameter %d.", param);
+				val = sd->status.inventory[current_equip_item_index].option[current_equip_opt_index].value;
-			return SCRIPT_CMD_FAILURE;
+				break;
+			case ROA_PARAM:
+				val = sd->status.inventory[current_equip_item_index].option[current_equip_opt_index].param;
+				break;
+			default:
+				ShowWarning("buildin_getrandomoptinfo: Invalid attribute type %d (Max %d).\n", param, MAX_ITEM_RDM_OPT);
+				val = 0;
+				break;
 		}
+		script_pushint(st, val);
 	}
 	else {
 		script_pushint(st, 0);
@@ -21553,6 +21562,104 @@ BUILDIN_FUNC(getrandomoptinfo) {
 	return SCRIPT_CMD_SUCCESS;
 }
 
+/**
+* Retrieves a random option on an equipped item.
+* getequiprandomoption(<equipment indice>,<index>,<type>{,<char id>});
+* @author [secretdataz]
+*/
+BUILDIN_FUNC(getequiprandomoption) {
+	struct map_session_data *sd;
+	int val;
+	short i = -1;
+	int pos = script_getnum(st, 2);
+	int index = script_getnum(st, 3);
+	int type = script_getnum(st, 4);
+	if (!script_charid2sd(5, sd))
+		script_pushint(st, -1);
+		return SCRIPT_CMD_FAILURE;
+	if (index < 0 || index >= MAX_ITEM_RDM_OPT) {
+		ShowError("buildin_getequiprandomoption: Invalid random option index %d.\n", index);
+		script_pushint(st, -1);
+		return SCRIPT_CMD_FAILURE;
+	}
+	if (equip_index_check(pos))
+		i = pc_checkequip(sd, equip_bitmask[pos]);
+	if (i < 0) {
+		ShowError("buildin_getequiprandomoption: No item equipped at pos %d (CID=%d/AID=%d).\n", pos, sd->status.char_id, sd->status.account_id);
+		script_pushint(st, -1);
+		return SCRIPT_CMD_FAILURE;
+	}
+
+	switch (type) {
+		case ROA_ID:
+			val = sd->status.inventory[i].option[index].id;
+			break;
+		case ROA_VALUE:
+			val = sd->status.inventory[i].option->value;
+			break;
+		case ROA_PARAM:
+			val = sd->status.inventory[i].option->param;
+			break;
+		default:
+			ShowWarning("buildin_getequiprandomoption: Invalid attribute type %d (Max %d).\n", type, MAX_ITEM_RDM_OPT);
+			val = 0;
+			break;
+	}
+	script_pushint(st, val);
+	return SCRIPT_CMD_SUCCESS;
+}
+
+/**
+* Adds a random option on a random option slot on an equipped item and overwrites
+* existing random option in the process.
+* setrandomoption(<equipment indice>,<index>,<id>,<value>,<param>{,<char id>});
+* @author [secretdataz]
+*/
+BUILDIN_FUNC(setrandomoption) {
+	struct map_session_data *sd;
+	struct s_random_opt_data *opt;
+	int pos, index, id, value, param, ep;
+	int i = -1;
+	if (!script_charid2sd(7, sd))
+		return SCRIPT_CMD_FAILURE;
+	pos = script_getnum(st, 2);
+	index = script_getnum(st, 3);
+	id = script_getnum(st, 4);
+	value = script_getnum(st, 5);
+	param = script_getnum(st, 6);
+
+	if ((opt = itemdb_randomopt_exists((short)id)) == NULL) {
+		ShowError("buildin_setrandomoption: Random option ID %d does not exists.\n", id);
+		script_pushint(st, 0);
+		return SCRIPT_CMD_FAILURE;
+	}
+	if (index < 0 || index >= MAX_ITEM_RDM_OPT) {
+		ShowError("buildin_setrandomoption: Invalid random option index %d.\n", index);
+		script_pushint(st, 0);
+		return SCRIPT_CMD_FAILURE;
+	}
+	if (equip_index_check(pos))
+		i = pc_checkequip(sd, equip_bitmask[pos]);
+	if (i >= 0) {
+		ep = sd->status.inventory[i].equip;
+		log_pick_pc(sd, LOG_TYPE_SCRIPT, -1, &sd->status.inventory[i]);
+		pc_unequipitem(sd, i, 2);
+		sd->status.inventory[i].option[index].id = id;
+		sd->status.inventory[i].option[index].value = value;
+		sd->status.inventory[i].option[index].param = param;
+		clif_delitem(sd, i, 1, 3);
+		log_pick_pc(sd, LOG_TYPE_SCRIPT, -1, &sd->status.inventory[i]);
+		clif_additem(sd, i, 1, 0);
+		pc_equipitem(sd, i, ep);
+		script_pushint(st, 1);
+		return SCRIPT_CMD_SUCCESS;
+	}
+
+	ShowError("buildin_setrandomoption: No item equipped at pos %d (CID=%d/AID=%d).\n", pos, sd->status.char_id, sd->status.account_id);
+	script_pushint(st, 0);
+	return SCRIPT_CMD_FAILURE;
+}
+
 #include "../custom/script.inc"
 
 // declarations that were supposed to be exported from npc_chat.c
@@ -22133,6 +22240,8 @@ struct script_function buildin_func[] = {
 	BUILDIN_DEF(recalculatestat,""),
 	BUILDIN_DEF(hateffect,"ii"),
 	BUILDIN_DEF(getrandomoptinfo, "i"),
+	BUILDIN_DEF(getequiprandomoption, "iii?"),
+	BUILDIN_DEF(setrandomoption,"iiiii?"),
 
 #include "../custom/script_def.inc"
 

src/map/script.h

@@ -637,7 +637,8 @@ enum navigation_service {
 };
 
 enum random_option_attribute {
-	ROA_VALUE = 0,
+	ROA_ID = 0,
+	ROA_VALUE,
 	ROA_PARAM,
 };
 /**

src/map/script_constants.h

@@ -3110,6 +3110,7 @@
 	export_constant(MOBG_ClassChange);
 
 	/* random option attributes */
+	export_constant(ROA_ID);
 	export_constant(ROA_VALUE);
 	export_constant(ROA_PARAM);