8 files changed, 505 insertions, 377 deletions

diff --git a/src/map/battleground.c b/src/map/battleground.c
index cc5384d21..208b4b99f 100644
--- a/src/map/battleground.c
+++ b/src/map/battleground.c
@@ -471,24 +471,34 @@ struct bg_arena *bg_name2arena (char *name) {
 	}
 	return NULL;
 }
-int bg_id2pos ( int queue_id, int account_id ) {
-	struct hQueue *queue = script->queue(queue_id);
-	if( queue ) {
-		int i, pos = 1;
-		for(i = 0; i < queue->size; i++ ) {
-			if( queue->item[i] > 0 ) {
-				if( queue->item[i] == account_id ) {
-					return pos;
-				}
-				pos++;
-			}
+
+/**
+ * Returns a character's position in a battleground's queue.
+ *
+ * @param queue_id   The ID of the battleground's queue.
+ * @param account_id The character's account ID.
+ *
+ * @return the position (starting at 1).
+ * @retval 0 if the queue doesn't exist or the given account ID isn't present in it.
+ */
+int bg_id2pos(int queue_id, int account_id)
+{
+	struct script_queue *queue = script->queue(queue_id);
+	if (queue) {
+		int i;
+		ARR_FIND(0, VECTOR_LENGTH(queue->entries), i, VECTOR_INDEX(queue->entries, i) == account_id);
+		if (i != VECTOR_LENGTH(queue->entries)) {
+			return i+1;
 		}
 	}
 	return 0;
 }
-void bg_queue_ready_ack (struct bg_arena *arena, struct map_session_data *sd, bool response) {
+
+void bg_queue_ready_ack(struct bg_arena *arena, struct map_session_data *sd, bool response)
+{
 	nullpo_retv(arena);
 	nullpo_retv(sd);
+
 	if( arena->begin_timer == INVALID_TIMER || !sd->bg_queue.arena || sd->bg_queue.arena != arena ) {
 		bg->queue_pc_cleanup(sd);
 		return;
@@ -496,18 +506,18 @@ void bg_queue_ready_ack (struct bg_arena *arena, struct map_session_data *sd, bo
 	if( !response )
 		bg->queue_pc_cleanup(sd);
 	else {
-		struct hQueue *queue = &script->hq[arena->queue_id];
+		struct script_queue *queue = script->queue(arena->queue_id);
 		int i, count = 0;
 		sd->bg_queue.ready = 1;
 
-		for( i = 0; i < queue->size; i++ ) {
-			if (queue->item[i] > 0 && (sd = map->id2sd(queue->item[i])) != NULL) {
-				if( sd->bg_queue.ready == 1 )
-					count++;
-			}
+		for (i = 0; i < VECTOR_LENGTH(queue->entries); i++) {
+			struct map_session_data *tsd = map->id2sd(VECTOR_INDEX(queue->entries, i));
+
+			if (tsd != NULL && tsd->bg_queue.ready == 1)
+				count++;
 		}
 		/* check if all are ready then cancel timer, and start game  */
-		if( count == queue->items ) {
+		if (count == VECTOR_LENGTH(queue->entries)) {
 			timer->delete(arena->begin_timer,bg->begin_timer);
 			arena->begin_timer = INVALID_TIMER;
 			bg->begin(arena);
@@ -531,7 +541,7 @@ void bg_queue_player_cleanup(struct map_session_data *sd) {
 	sd->bg_queue.type = 0;
 }
 void bg_match_over(struct bg_arena *arena, bool canceled) {
-	struct hQueue *queue = &script->hq[arena->queue_id];
+	struct script_queue *queue = script->queue(arena->queue_id);
 	int i;
 
 	nullpo_retv(arena);
@@ -539,19 +549,20 @@ void bg_match_over(struct bg_arena *arena, bool canceled) {
 		return;
 	arena->ongoing = false;
 
-	for( i = 0; i < queue->size; i++ ) {
-		struct map_session_data * sd = NULL;
+	for (i = 0; i < VECTOR_LENGTH(queue->entries); i++) {
+		struct map_session_data *sd = map->id2sd(VECTOR_INDEX(queue->entries, i));
 
-		if (queue->item[i] > 0 && (sd = map->id2sd(queue->item[i])) != NULL) {
-			if( sd->bg_queue.arena ) {
-				bg->team_leave(sd, 0);
-				bg->queue_pc_cleanup(sd);
-			}
-			if (canceled)
-				clif->messagecolor_self(sd->fd, COLOR_RED, "BG Match Canceled: not enough players");
-			else
-				pc_setglobalreg(sd, script->add_str(arena->delay_var), (unsigned int)time(NULL));
+		if (sd == NULL)
+			continue;
+
+		if (sd->bg_queue.arena) {
+			bg->team_leave(sd, 0);
+			bg->queue_pc_cleanup(sd);
 		}
+		if (canceled)
+			clif->messagecolor_self(sd->fd, COLOR_RED, "BG Match Canceled: not enough players");
+		else
+			pc_setglobalreg(sd, script->add_str(arena->delay_var), (unsigned int)time(NULL));
 	}
 
 	arena->begin_timer = INVALID_TIMER;
@@ -560,19 +571,20 @@ void bg_match_over(struct bg_arena *arena, bool canceled) {
 	script->queue_clear(arena->queue_id);
 }
 void bg_begin(struct bg_arena *arena) {
-	struct hQueue *queue = &script->hq[arena->queue_id];
+	struct script_queue *queue = script->queue(arena->queue_id);
 	int i, count = 0;
 
 	nullpo_retv(arena);
-	for( i = 0; i < queue->size; i++ ) {
-		struct map_session_data * sd = NULL;
+	for (i = 0; i < VECTOR_LENGTH(queue->entries); i++) {
+		struct map_session_data *sd = map->id2sd(VECTOR_INDEX(queue->entries, i));
 
-		if (queue->item[i] > 0 && (sd = map->id2sd(queue->item[i])) != NULL) {
-			if( sd->bg_queue.ready == 1 )
-				count++;
-			else
-				bg->queue_pc_cleanup(sd);
-		}
+		if (sd == NULL)
+			continue;
+
+		if (sd->bg_queue.ready == 1)
+			count++;
+		else
+			bg->queue_pc_cleanup(sd);
 	}
 	/* TODO/FIXME? I *think* it should check what kind of queue the player used, then check if his party/guild
 	 * (his team) still meet the join criteria (sort of what bg->can_queue does)
@@ -591,25 +603,24 @@ void bg_begin(struct bg_arena *arena) {
 		mapreg->setregstr(script->add_str("$@bg_delay_var$"),bg->gdelay_var);
 
 		count = 0;
-		for( i = 0; i < queue->size; i++ ) {
-			struct map_session_data * sd = NULL;
-
-			if (queue->item[i] > 0 && (sd = map->id2sd(queue->item[i])) != NULL) {
-				if( sd->bg_queue.ready == 1 ) {
-					mapreg->setreg(reference_uid(script->add_str("$@bg_member"), count), sd->status.account_id);
-					mapreg->setreg(reference_uid(script->add_str("$@bg_member_group"), count),
-								   sd->bg_queue.type == BGQT_GUILD ? sd->status.guild_id :
-								   sd->bg_queue.type == BGQT_PARTY ? sd->status.party_id :
-								   0
-								   );
-					mapreg->setreg(reference_uid(script->add_str("$@bg_member_type"), count),
-								   sd->bg_queue.type == BGQT_GUILD ? 1 :
-								   sd->bg_queue.type == BGQT_PARTY ? 2 :
-								   0
-								   );
-					count++;
-				}
-			}
+		for (i = 0; i < VECTOR_LENGTH(queue->entries); i++) {
+			struct map_session_data *sd = map->id2sd(VECTOR_INDEX(queue->entries, i));
+
+			if (sd == NULL || sd->bg_queue.ready != 1)
+				continue;
+
+			mapreg->setreg(reference_uid(script->add_str("$@bg_member"), count), sd->status.account_id);
+			mapreg->setreg(reference_uid(script->add_str("$@bg_member_group"), count),
+			               sd->bg_queue.type == BGQT_GUILD ? sd->status.guild_id :
+			               sd->bg_queue.type == BGQT_PARTY ? sd->status.party_id :
+			               0
+			               );
+			mapreg->setreg(reference_uid(script->add_str("$@bg_member_type"), count),
+			               sd->bg_queue.type == BGQT_GUILD ? 1 :
+			               sd->bg_queue.type == BGQT_PARTY ? 2 :
+			               0
+			               );
+			count++;
 		}
 		mapreg->setreg(script->add_str("$@bg_member_size"),count);
 
@@ -645,15 +656,15 @@ int bg_afk_timer(int tid, int64 tick, int id, intptr_t data) {
 }
 
 void bg_queue_pregame(struct bg_arena *arena) {
-	struct hQueue *queue;
+	struct script_queue *queue;
 	int i;
-
 	nullpo_retv(arena);
-	queue = &script->hq[arena->queue_id];
-	for( i = 0; i < queue->size; i++ ) {
-		struct map_session_data * sd = NULL;
 
-		if (queue->item[i] > 0 && (sd = map->id2sd(queue->item[i])) != NULL) {
+	queue = script->queue(arena->queue_id);
+	for (i = 0; i < VECTOR_LENGTH(queue->entries); i++) {
+		struct map_session_data *sd = map->id2sd(VECTOR_INDEX(queue->entries, i));
+
+		if (sd != NULL) {
 			clif->bgqueue_battlebegins(sd,arena->id,SELF);
 		}
 	}
@@ -667,9 +678,11 @@ int bg_fillup_timer(int tid, int64 tick, int id, intptr_t data) {
 
 void bg_queue_check(struct bg_arena *arena) {
 	int count;
-
+	struct script_queue *queue;
 	nullpo_retv(arena);
-	count = script->hq[arena->queue_id].items;
+
+	queue = script->queue(arena->queue_id);
+	count = VECTOR_LENGTH(queue->entries);
 	if( count == arena->max_players ) {
 		if( arena->fillup_timer != INVALID_TIMER ) {
 			timer->delete(arena->fillup_timer,bg->fillup_timer);
@@ -682,7 +695,7 @@ void bg_queue_check(struct bg_arena *arena) {
 }
 void bg_queue_add(struct map_session_data *sd, struct bg_arena *arena, enum bg_queue_types type) {
 	enum BATTLEGROUNDS_QUEUE_ACK result = bg->can_queue(sd,arena,type);
-	struct hQueue *queue;
+	struct script_queue *queue = NULL;
 	int i, count = 0;
 
 	nullpo_retv(sd);
@@ -718,7 +731,7 @@ void bg_queue_add(struct map_session_data *sd, struct bg_arena *arena, enum bg_q
 			break;
 	}
 
-	if( !(queue = script->queue(arena->queue_id)) || (queue->items+count) > arena->max_players ) {
+	if( !(queue = script->queue(arena->queue_id)) || (VECTOR_LENGTH(queue->entries)+count) > arena->max_players ) {
 		clif->bgqueue_ack(sd,BGQA_FAIL_PPL_OVERAMOUNT,arena->id);
 		return;
 	}
@@ -729,8 +742,8 @@ void bg_queue_add(struct map_session_data *sd, struct bg_arena *arena, enum bg_q
 			sd->bg_queue.arena = arena;
 			sd->bg_queue.ready = 0;
 			script->queue_add(arena->queue_id,sd->status.account_id);
-			clif->bgqueue_joined(sd,script->hq[arena->queue_id].items);
-			clif->bgqueue_update_info(sd,arena->id,script->hq[arena->queue_id].items);
+			clif->bgqueue_joined(sd, VECTOR_LENGTH(queue->entries));
+			clif->bgqueue_update_info(sd,arena->id, VECTOR_LENGTH(queue->entries));
 			break;
 		case BGQT_PARTY: {
 			struct party_data *p = party->search(sd->status.party_id);
@@ -740,8 +753,8 @@ void bg_queue_add(struct map_session_data *sd, struct bg_arena *arena, enum bg_q
 				p->data[i].sd->bg_queue.arena = arena;
 				p->data[i].sd->bg_queue.ready = 0;
 				script->queue_add(arena->queue_id,p->data[i].sd->status.account_id);
-				clif->bgqueue_joined(p->data[i].sd,script->hq[arena->queue_id].items);
-				clif->bgqueue_update_info(p->data[i].sd,arena->id,script->hq[arena->queue_id].items);
+				clif->bgqueue_joined(p->data[i].sd, VECTOR_LENGTH(queue->entries));
+				clif->bgqueue_update_info(p->data[i].sd,arena->id, VECTOR_LENGTH(queue->entries));
 			}
 		}
 			break;
@@ -753,8 +766,8 @@ void bg_queue_add(struct map_session_data *sd, struct bg_arena *arena, enum bg_q
 				sd->guild->member[i].sd->bg_queue.arena = arena;
 				sd->guild->member[i].sd->bg_queue.ready = 0;
 				script->queue_add(arena->queue_id,sd->guild->member[i].sd->status.account_id);
-				clif->bgqueue_joined(sd->guild->member[i].sd,script->hq[arena->queue_id].items);
-				clif->bgqueue_update_info(sd->guild->member[i].sd,arena->id,script->hq[arena->queue_id].items);
+				clif->bgqueue_joined(sd->guild->member[i].sd, VECTOR_LENGTH(queue->entries));
+				clif->bgqueue_update_info(sd->guild->member[i].sd,arena->id, VECTOR_LENGTH(queue->entries));
 			}
 			break;
 	}
diff --git a/src/map/clif.c b/src/map/clif.c
index 80703fa12..621f0b44a 100644
--- a/src/map/clif.c
+++ b/src/map/clif.c
@@ -610,12 +610,12 @@ bool clif_send(const void* buf, int len, struct block_list* bl, enum send_target
 
 		case BG_QUEUE:
 			if( sd && sd->bg_queue.arena ) {
-				struct hQueue *queue = &script->hq[sd->bg_queue.arena->queue_id];
+				struct script_queue *queue = script->queue(sd->bg_queue.arena->queue_id);
 
-				for( i = 0; i < queue->size; i++ ) {
-					struct map_session_data *qsd = NULL;
+				for (i = 0; i < VECTOR_LENGTH(queue->entries); i++) {
+					struct map_session_data *qsd = map->id2sd(VECTOR_INDEX(queue->entries, i));
 
-					if (queue->item[i] > 0 && (qsd = map->id2sd(queue->item[i])) != NULL) {
+					if (qsd != NULL) {
 						WFIFOHEAD(qsd->fd,len);
 						memcpy(WFIFOP(qsd->fd,0), buf, len);
 						WFIFOSET(qsd->fd,len);
diff --git a/src/map/map.c b/src/map/map.c
index cd2ba17c2..fff1593a4 100644
--- a/src/map/map.c
+++ b/src/map/map.c
@@ -1802,16 +1802,16 @@ int map_quit(struct map_session_data *sd) {
 	skill->cooldown_save(sd);
 	pc->itemcd_do(sd,false);
 
-	for( i = 0; i < sd->queues_count; i++ ) {
-		struct hQueue *queue;
-		if( (queue = script->queue(sd->queues[i])) && queue->onLogOut[0] != '\0' ) {
-			npc->event(sd, queue->onLogOut, 0);
+	for (i = 0; i < VECTOR_LENGTH(sd->script_queues); i++) {
+		struct script_queue *queue = script->queue(VECTOR_INDEX(sd->script_queues, i));
+		if (queue && queue->event_logout[0] != '\0') {
+			npc->event(sd, queue->event_logout, 0);
 		}
 	}
 	/* two times, the npc event above may assign a new one or delete others */
-	for( i = 0; i < sd->queues_count; i++ ) {
-		if( sd->queues[i] != -1 )
-			script->queue_remove(sd->queues[i],sd->status.account_id);
+	while (VECTOR_LENGTH(sd->script_queues)) {
+		int qid = VECTOR_LAST(sd->script_queues);
+		script->queue_remove(qid, sd->status.account_id);
 	}
 
 	npc->script_event(sd, NPCE_LOGOUT);
diff --git a/src/map/pc.c b/src/map/pc.c
index 351d77b26..43adf331b 100644
--- a/src/map/pc.c
+++ b/src/map/pc.c
@@ -1126,8 +1126,7 @@ bool pc_authok(struct map_session_data *sd, int login_id2, time_t expiration_tim
 	sd->bg_queue.client_has_bg_data = 0;
 	sd->bg_queue.type = 0;
 
-	sd->queues = NULL;
-	sd->queues_count = 0;
+	VECTOR_INIT(sd->script_queues);
 
 	sd->state.dialog = 0;
 
@@ -5526,11 +5525,11 @@ int pc_setpos(struct map_session_data* sd, unsigned short map_index, int x, int
 		int i;
 		sd->state.pmap = sd->bl.m;
 
-		for( i = 0; i < sd->queues_count; i++ ) {
-			struct hQueue *queue;
-			if( (queue = script->queue(sd->queues[i])) && queue->onMapChange[0] != '\0' ) {
-				pc->setregstr(sd, script->add_str("QMapChangeTo"), map->list[m].name);
-				npc->event(sd, queue->onMapChange, 0);
+		for (i = 0; i < VECTOR_LENGTH(sd->script_queues); i++) {
+			struct script_queue *queue = script->queue(VECTOR_INDEX(sd->script_queues, i));
+			if (queue && queue->event_mapchange[0] != '\0') {
+				pc->setregstr(sd, script->add_str("@Queue_Destination_Map$"), map->list[m].name);
+				npc->event(sd, queue->event_mapchange, 0);
 			}
 		}
 
@@ -7634,10 +7633,10 @@ int pc_dead(struct map_session_data *sd,struct block_list *src) {
 			npc->event(sd, bgd->die_event, 0);
 	}
 
-	for( i = 0; i < sd->queues_count; i++ ) {
-		struct hQueue *queue;
-		if( (queue = script->queue(sd->queues[i])) && queue->onDeath[0] != '\0' )
-			npc->event(sd, queue->onDeath, 0);
+	for (i = 0; i < VECTOR_LENGTH(sd->script_queues); i++ ) {
+		struct script_queue *queue = script->queue(VECTOR_INDEX(sd->script_queues, i));
+		if (queue && queue->event_death[0] != '\0')
+			npc->event(sd, queue->event_death, 0);
 	}
 
 	npc->script_event(sd,NPCE_DIE);
diff --git a/src/map/pc.h b/src/map/pc.h
index 2c8b24acf..62571f12a 100644
--- a/src/map/pc.h
+++ b/src/map/pc.h
@@ -531,8 +531,7 @@ END_ZEROED_BLOCK;
 		enum bg_queue_types type;
 	} bg_queue;
 
-	int *queues;
-	unsigned int queues_count;
+	VECTOR_DECL(int) script_queues;
 
 	/* Made Possible Thanks to Yommy~! */
 	unsigned int cryptKey;                                                 ///< Packet obfuscation key to be used for the next received packet
diff --git a/src/map/script.c b/src/map/script.c
index 54d8d338d..cfc7ed052 100644
--- a/src/map/script.c
+++ b/src/map/script.c
@@ -4627,22 +4627,16 @@ void do_final_script(void) {
 
 	aFree(script->buildin);
 
-	if( script->hqs ) {
-		for( i = 0; i < script->hqs; i++ ) {
-			if( script->hq[i].item != NULL )
-				aFree(script->hq[i].item);
-		}
+	for (i = 0; i < VECTOR_LENGTH(script->hq); i++) {
+		VECTOR_CLEAR(VECTOR_INDEX(script->hq, i).entries);
 	}
-	if (script->hqis && script->hqi) {
-		for( i = 0; i < script->hqis; i++ ) {
-			if( script->hqi[i].item != NULL )
-				aFree(script->hqi[i].item);
-		}
+	VECTOR_CLEAR(script->hq);
+
+	for (i = 0; i < VECTOR_LENGTH(script->hqi); i++) {
+		VECTOR_CLEAR(VECTOR_INDEX(script->hqi, i).entries);
 	}
-	if( script->hq != NULL )
-		aFree(script->hq);
-	if( script->hqi != NULL )
-		aFree(script->hqi);
+	VECTOR_CLEAR(script->hqi);
+
 	if( script->word_buf != NULL )
 		aFree(script->word_buf);
 
@@ -5020,6 +5014,9 @@ void do_init_script(bool minimal) {
 	ers_chunk_size(script->st_ers, 10);
 	ers_chunk_size(script->stack_ers, 10);
 
+	VECTOR_INIT(script->hq);
+	VECTOR_INIT(script->hqi);
+
 	script->parse_builtin();
 	script->read_constdb();
 	script->hardcoded_constants();
@@ -18789,329 +18786,434 @@ BUILDIN(montransform) {
 	return true;
 }
 
-struct hQueue *script_hqueue_get(int idx) {
-	if( idx < 0 || idx >= script->hqs || script->hq[idx].size == -1 )
+/**
+ * Returns the queue with he given index, if it exists.
+ *
+ * @param idx The queue index.
+ *
+ * @return The queue, or NULL if it doesn't exist.
+ */
+struct script_queue *script_hqueue_get(int idx)
+{
+	if (idx < 0 || idx >= VECTOR_LENGTH(script->hq) || !VECTOR_INDEX(script->hq, idx).valid)
 		return NULL;
-	return &script->hq[idx];
+	return &VECTOR_INDEX(script->hq, idx);
 }
-int script_hqueue_create(void) {
-	int idx = script->hqs;
+
+/**
+ * Creates a new queue.
+ *
+ * @return The index of the created queue.
+ */
+int script_hqueue_create(void)
+{
+	struct script_queue *queue = NULL;
 	int i;
 
-	for(i = 0; i < script->hqs; i++) {
-		if( script->hq[i].size == -1 ) {
-			break;
-		}
+	ARR_FIND(0, VECTOR_LENGTH(script->hq), i, !VECTOR_INDEX(script->hq, i).valid);
+
+	if (i == VECTOR_LENGTH(script->hq)) {
+		VECTOR_ENSURE(script->hq, 1, 1);
+		VECTOR_PUSHZEROED(script->hq);
 	}
+	queue = &VECTOR_INDEX(script->hq, i);
 
-	if( i == script->hqs ) {
-		RECREATE(script->hq, struct hQueue, ++script->hqs);
-		script->hq[ idx ].item = NULL;
-	} else
-		idx = i;
-
-	script->hq[ idx ].id = idx;
-	script->hq[ idx ].size = 0;
-	script->hq[ idx ].items = 0;
-	script->hq[ idx ].onDeath[0] = '\0';
-	script->hq[ idx ].onLogOut[0] = '\0';
-	script->hq[ idx ].onMapChange[0] = '\0';
-	return idx;
-}
-/* set .@id,queue(); */
-/* creates queue, returns created queue id */
-BUILDIN(queue) {
+	memset(&VECTOR_INDEX(script->hq, i), 0, sizeof(VECTOR_INDEX(script->hq, i)));
+
+	queue->id = i;
+	queue->valid = true;
+	return i;
+}
+
+/**
+ * Script command queue: Creates a queue and returns its id.
+ *
+ * @code{.herc}
+ *    .@queue_id = queue();
+ * @endcode
+ */
+BUILDIN(queue)
+{
 	script_pushint(st,script->queue_create());
 	return true;
 }
-/* set .@length,queuesize(.@queue_id); */
-/* returns queue length */
-BUILDIN(queuesize) {
+
+/**
+ * Script command queuesize: Returns the length of the given queue.
+ *
+ * Returns 0 on error.
+ *
+ * \code{.herc}
+ *    .@size = queuesize(<queue id>);
+ * \endcode
+ */
+BUILDIN(queuesize)
+{
 	int idx = script_getnum(st, 2);
 
-	if( idx < 0 || idx >= script->hqs || script->hq[idx].size == -1 ) {
+	if (idx < 0 || idx >= VECTOR_LENGTH(script->hq) || !VECTOR_INDEX(script->hq, idx).valid) {
 		ShowWarning("buildin_queuesize: unknown queue id %d\n",idx);
 		script_pushint(st, 0);
-	} else {
-		script_pushint(st, script->hq[ idx ].items);
+		return true;
 	}
 
+	script_pushint(st, VECTOR_LENGTH(VECTOR_INDEX(script->hq, idx).entries));
 	return true;
 }
+
+/**
+ * Adds an entry to the given queue.
+ *
+ * @param idx The queue index.
+ * @param var The entry to add.
+ * @retval false if the queue is invalid or the entry is already in the queue.
+ * @retval true in case of success.
+ */
 bool script_hqueue_add(int idx, int var)
 {
-	if( idx < 0 || idx >= script->hqs || script->hq[idx].size == -1 ) {
-		ShowWarning("script_hqueue_add: unknown queue id %d\n",idx);
-		return true;
-	} else {
-		int i;
-		for (i = 0; i < script->hq[idx].size; i++) {
-			if (script->hq[idx].item[i] == var) {
-				return true;
-			}
-		}
-
-		if (i == script->hq[idx].size) {
-			struct map_session_data *sd;
+	int i;
+	struct map_session_data *sd = NULL;
+	struct script_queue *queue = NULL;
 
-			for (i = 0; i < script->hq[idx].size; i++) {
-				if( script->hq[idx].item[i] == 0 ) {
-					break;
-				}
-			}
+	if (idx < 0 || idx >= VECTOR_LENGTH(script->hq) || !VECTOR_INDEX(script->hq, idx).valid) {
+		ShowWarning("script_hqueue_add: unknown queue id %d\n",idx);
+		return false;
+	}
 
-			if (i == script->hq[idx].size)
-				RECREATE(script->hq[idx].item, int, ++script->hq[idx].size);
+	queue = &VECTOR_INDEX(script->hq, idx);
 
-			script->hq[idx].item[i] = var;
-			script->hq[idx].items++;
-			if (var >= START_ACCOUNT_NUM && (sd = map->id2sd(var)) != NULL) {
-				for (i = 0; i < sd->queues_count; i++) {
-					if (sd->queues[i] == -1) {
-						break;
-					}
-				}
+	ARR_FIND(0, VECTOR_LENGTH(queue->entries), i, VECTOR_INDEX(queue->entries, i) == var);
+	if (i != VECTOR_LENGTH(queue->entries)) {
+		return false; // Entry already exists
+	}
 
-				if (i == sd->queues_count)
-					RECREATE(sd->queues, int, ++sd->queues_count);
+	VECTOR_ENSURE(queue->entries, 1, 1);
+	VECTOR_PUSH(queue->entries, var);
 
-				sd->queues[i] = idx;
-			}
-
-		}
+	if (var >= START_ACCOUNT_NUM && (sd = map->id2sd(var)) != NULL) {
+		VECTOR_ENSURE(sd->script_queues, 1, 1);
+		VECTOR_PUSH(sd->script_queues, idx);
 	}
-	return false;
+	return true;
 }
-/* queueadd(.@queue_id,.@var_id); */
-/* adds a new entry to the queue, returns 1 if already in queue, 0 otherwise */
-BUILDIN(queueadd) {
+
+/**
+ * Script command queueadd: Adds a new entry to the given queue.
+ *
+ * Returns 0 (false) if already in queue or in case of error, 1 (true)
+ * otherwise.
+ *
+ * @code{.herc}
+ *    .@size = queuesize(.@queue_id);
+ * @endcode
+ */
+BUILDIN(queueadd)
+{
 	int idx = script_getnum(st, 2);
 	int var = script_getnum(st, 3);
 
-	script_pushint(st,script->queue_add(idx,var)?1:0);
+	if (script->queue_add(idx, var))
+		script_pushint(st, 1);
+	else
+		script_pushint(st, 0);
 
 	return true;
 }
-bool script_hqueue_remove(int idx, int var) {
-	if( idx < 0 || idx >= script->hqs || script->hq[idx].size == -1 ) {
-		ShowWarning("script_hqueue_remove: unknown queue id %d (used with var %d)\n",idx,var);
-		return true;
-	} else {
-		int i;
 
-		for(i = 0; i < script->hq[idx].size; i++) {
-			if( script->hq[idx].item[i] == var ) {
-				break;
-			}
-		}
+/**
+ * Removes an entry from the given queue.
+ *
+ * @param idx The queue index.
+ * @param var The entry to remove.
+ * @retval true if the entry was removed.
+ * @retval false if the entry wasn't in queue.
+ */
+bool script_hqueue_remove(int idx, int var)
+{
+	int i;
+	struct map_session_data *sd = NULL;
+	struct script_queue *queue = NULL;
 
-		if( i != script->hq[idx].size ) {
-			struct map_session_data *sd;
+	if (idx < 0 || idx >= VECTOR_LENGTH(script->hq) || !VECTOR_INDEX(script->hq, idx).valid) {
+		ShowWarning("script_hqueue_remove: unknown queue id %d (used with var %d)\n",idx,var);
+		return false;
+	}
 
-			script->hq[idx].item[i] = -1;
-			script->hq[idx].items--;
+	queue = &VECTOR_INDEX(script->hq, idx);
 
-			if (var >= START_ACCOUNT_NUM && (sd = map->id2sd(var)) != NULL) {
-				for(i = 0; i < sd->queues_count; i++) {
-					if( sd->queues[i] == idx ) {
-						break;
-					}
-				}
+	ARR_FIND(0, VECTOR_LENGTH(queue->entries), i, VECTOR_INDEX(queue->entries, i) == var);
+	if (i == VECTOR_LENGTH(queue->entries))
+		return false;
 
-				if( i != sd->queues_count )
-					sd->queues[i] = -1;
-			}
+	VECTOR_ERASE(queue->entries, i);
 
-		}
+	if (var >= START_ACCOUNT_NUM && (sd = map->id2sd(var)) != NULL) {
+		ARR_FIND(0, VECTOR_LENGTH(sd->script_queues), i, VECTOR_INDEX(sd->script_queues, i) == queue->id);
+
+		if (i != VECTOR_LENGTH(sd->script_queues))
+			VECTOR_ERASE(sd->script_queues, i);
 	}
-	return false;
+	return true;
 }
-/* queueremove(.@queue_id,.@var_id); */
-/* removes a entry from the queue, returns 1 if not in queue, 0 otherwise */
-BUILDIN(queueremove) {
+
+/**
+ * Script command queueremove: Removes an entry from a queue.
+ *
+ * Returns 1 (true) on success, 0 (false) if the item wasn't in queue.
+ *
+ * @code{.herc}
+ *    queueremove(.@queue_id, .@value);
+ * @endcode
+ */
+BUILDIN(queueremove)
+{
 	int idx = script_getnum(st, 2);
 	int var = script_getnum(st, 3);
 
-	script_pushint(st, script->queue_remove(idx,var)?1:0);
+	if (script->queue_remove(idx,var))
+		script_pushint(st, 1);
+	else
+		script_pushint(st, 0);
 
 	return true;
 }
 
-/* queueopt(.@queue_id,optionType,<optional val>); */
-/* modifies the queue's options, when val is not provided the option is removed */
-/* when OnMapChange event is triggered, it sets a temp char var @QMapChangeTo$ with the destination map name */
-/* returns 1 when fails, 0 on success */
-BUILDIN(queueopt) {
+/**
+ * Script command queueopt: Modifies the options of a queue.
+ *
+ * When the option value isn't provided, the option is removed.
+ *
+ * Returns 1 (true) on success, 0 (false) on failure.
+ *
+ * The optionType is one of:
+ * - QUEUEOPT_DEATH
+ * - QUEUEOPT_LOGOUT
+ * - QUEUEOPT_MAPCHANGE
+ *
+ * When the QUEUEOPT_MAPCHANGE event is triggered, it sets a temporary
+ * character variable \c @Queue_Destination_Map$ with the destination map name.
+ *
+ * @code{.herc}
+ *    queueopt(.@queue_id, optionType, <optional val>);
+ * @endcode
+ */
+BUILDIN(queueopt)
+{
 	int idx = script_getnum(st, 2);
 	int var = script_getnum(st, 3);
+	struct script_queue *queue = NULL;
 
-	if( idx < 0 || idx >= script->hqs || script->hq[idx].size == -1 ) {
+	if (idx < 0 || idx >= VECTOR_LENGTH(script->hq) || !VECTOR_INDEX(script->hq, idx).valid) {
 		ShowWarning("buildin_queueopt: unknown queue id %d\n",idx);
-		script_pushint(st, 1);
-	} else if( var <= HQO_NONE || var >= HQO_MAX ) {
-		ShowWarning("buildin_queueopt: unknown optionType %d\n",var);
-		script_pushint(st, 1);
-	} else {
-		switch( (enum hQueueOpt)var ) {
-			case HQO_OnDeath:
-				if( script_hasdata(st, 4) )
-					safestrncpy(script->hq[idx].onDeath, script_getstr(st, 4), EVENT_NAME_LENGTH);
-				else
-					script->hq[idx].onDeath[0] = '\0';
-				break;
-			case HQO_onLogOut:
-				if( script_hasdata(st, 4) )
-					safestrncpy(script->hq[idx].onLogOut, script_getstr(st, 4), EVENT_NAME_LENGTH);
-				else
-					script->hq[idx].onLogOut[0] = '\0';
-				break;
-			case HQO_OnMapChange:
-				if( script_hasdata(st, 4) )
-					safestrncpy(script->hq[idx].onMapChange, script_getstr(st, 4), EVENT_NAME_LENGTH);
-				else
-					script->hq[idx].onMapChange[0] = '\0';
-				break;
-			default:
-				ShowWarning("buildin_queueopt: unsupported optionType %d\n",var);
-				script_pushint(st, 1);
-				break;
-		}
+		script_pushint(st, 0);
+		return true;
 	}
 
+	queue = &VECTOR_INDEX(script->hq, idx);
+
+	switch (var) {
+		case SQO_ONDEATH:
+			if (script_hasdata(st, 4))
+				safestrncpy(queue->event_death, script_getstr(st, 4), EVENT_NAME_LENGTH);
+			else
+				queue->event_death[0] = '\0';
+			break;
+		case SQO_ONLOGOUT:
+			if (script_hasdata(st, 4))
+				safestrncpy(queue->event_logout, script_getstr(st, 4), EVENT_NAME_LENGTH);
+			else
+				queue->event_logout[0] = '\0';
+			break;
+		case SQO_ONMAPCHANGE:
+			if (script_hasdata(st, 4))
+				safestrncpy(queue->event_mapchange, script_getstr(st, 4), EVENT_NAME_LENGTH);
+			else
+				queue->event_mapchange[0] = '\0';
+			break;
+		default:
+			ShowWarning("buildin_queueopt: unsupported optionType %d\n",var);
+			script_pushint(st, 0);
+			return true;
+	}
+	script_pushint(st, 1);
 	return true;
 }
+
+/**
+ * Deletes a queue.
+ *
+ * @param idx The queue index.
+ *
+ * @retval true if the queue was correctly deleted.
+ * @retval false if the queue didn't exist.
+ */
 bool script_hqueue_del(int idx)
 {
-	if( idx < 0 || idx >= script->hqs || script->hq[idx].size == -1 ) {
-		ShowWarning("script_queue_del: unknown queue id %d\n",idx);
-		return true;
-	} else {
-		int i;
-		for (i = 0; i < script->hq[idx].size; i++) {
-			struct map_session_data *sd;
-			if (script->hq[idx].item[i] >= START_ACCOUNT_NUM && (sd = map->id2sd(script->hq[idx].item[i])) != NULL) {
-				int j;
-				for(j = 0; j < sd->queues_count; j++) {
-					if( sd->queues[j] == script->hq[idx].item[i] ) {
-						break;
-					}
-				}
+	if (!script->queue_clear(idx))
+		return false;
 
-				if( j != sd->queues_count )
-					sd->queues[j] = -1;
-			}
-			script->hq[idx].item[i] = 0;
-		}
+	VECTOR_INDEX(script->hq, idx).valid = false;
 
-		script->hq[idx].size = -1;
-		script->hq[idx].items = 0;
-	}
-	return false;
+	return true;
 }
-/* queuedel(.@queue_id); */
-/* deletes queue of id .@queue_id, returns 1 if id not found, 0 otherwise */
-BUILDIN(queuedel) {
+
+/**
+ * Script command queuedel: Deletes a queue.
+ *
+ * Returns 1 (true) on success, 0 (false) if the queue doesn't exist.
+ *
+ * @code{.herc}
+ *    queuedel(.@queue_id);
+ * @endcode
+ */
+BUILDIN(queuedel)
+{
 	int idx = script_getnum(st, 2);
 
-	script_pushint(st,script->queue_del(idx)?1:0);
+	if (script->queue_del(idx))
+		script_pushint(st, 1);
+	else
+		script_pushint(st, 0);
 
 	return true;
 }
-void script_hqueue_clear(int idx) {
-	if( idx < 0 || idx >= script->hqs || script->hq[idx].size == -1 ) {
+
+/**
+ * Clears a queue.
+ *
+ * @param idx The queue index.
+ *
+ * @retval true if the queue was correctly cleared.
+ * @retval false if the queue didn't exist.
+ */
+bool script_hqueue_clear(int idx)
+{
+	struct script_queue *queue = NULL;
+
+	if (idx < 0 || idx >= VECTOR_LENGTH(script->hq) || !VECTOR_INDEX(script->hq, idx).valid) {
 		ShowWarning("script_hqueue_clear: unknown queue id %d\n",idx);
-		return;
-	} else {
-		struct map_session_data *sd;
-		int i, j;
+		return false;
+	}
 
-		for(i = 0; i < script->hq[idx].size; i++) {
-			if( script->hq[idx].item[i] > 0 ) {
+	queue = &VECTOR_INDEX(script->hq, idx);
 
-				if (script->hq[idx].item[i] >= START_ACCOUNT_NUM && (sd = map->id2sd(script->hq[idx].item[i])) != NULL) {
-					for(j = 0; j < sd->queues_count; j++) {
-						if( sd->queues[j] == idx ) {
-							break;
-						}
-					}
+	while (VECTOR_LENGTH(queue->entries) > 0) {
+		int entry = VECTOR_POP(queue->entries);
+		struct map_session_data *sd = NULL;
 
-					if( j != sd->queues_count )
-						sd->queues[j] = -1;
-				}
-				script->hq[idx].item[i] = 0;
-			}
+		if (entry >= START_ACCOUNT_NUM && (sd = map->id2sd(entry)) != NULL) {
+			int i;
+			ARR_FIND(0, VECTOR_LENGTH(sd->script_queues), i, VECTOR_INDEX(sd->script_queues, i) == queue->id);
+
+			if (i != VECTOR_LENGTH(sd->script_queues))
+				VECTOR_ERASE(sd->script_queues, i);
 		}
-		script->hq[idx].items = 0;
 	}
-	return;
+	VECTOR_CLEAR(queue->entries);
+
+	return true;
 }
-/* set .@id, queueiterator(.@queue_id); */
-/* creates a new queue iterator, returns its id */
-BUILDIN(queueiterator) {
+
+/**
+ * Script command queueiterator: Creates a new queue iterator.
+ *
+ * Returns the iterator's id or -1 in case of failure.
+ *
+ * @code{.herc}
+ *    .@id = queueiterator(.@queue_id);
+ * @endcode
+ */
+BUILDIN(queueiterator)
+{
 	int qid = script_getnum(st, 2);
-	struct hQueue *queue = NULL;
-	int idx = script->hqis;
+	struct script_queue *queue = NULL;
+	struct script_queue_iterator *iter = NULL;
 	int i;
 
-	if( qid < 0 || qid >= script->hqs || script->hq[qid].size == -1 || !(queue = script->queue(qid)) ) {
+	if (qid < 0 || qid >= VECTOR_LENGTH(script->hq) || !VECTOR_INDEX(script->hq, qid).valid || !(queue = script->queue(qid))) {
 		ShowWarning("queueiterator: invalid queue id %d\n",qid);
+		script_pushint(st, -1);
 		return true;
 	}
 
-	/* what if queue->size is 0? (iterating a empty queue?) */
-	if( queue->size <= 0 ) {
-		ShowWarning("queueiterator: attempting to iterate on on empty queue id %d!\n",qid);
-		return true;
-	}
+	ARR_FIND(0, VECTOR_LENGTH(script->hqi), i, !VECTOR_INDEX(script->hqi, i).valid);
 
-	for(i = 0; i < script->hqis; i++) {
-		if( script->hqi[i].items == -1 ) {
-			break;
-		}
+	if (i == VECTOR_LENGTH(script->hqi)) {
+		VECTOR_ENSURE(script->hqi, 1, 1);
+		VECTOR_PUSHZEROED(script->hqi);
 	}
 
-	if( i == script->hqis ) {
-		RECREATE(script->hqi, struct hQueueIterator, ++script->hqis);
-		script->hqi[ idx ].item = NULL;
-	} else
-		idx = i;
-
-	RECREATE(script->hqi[ idx ].item, int, queue->size);
+	iter = &VECTOR_INDEX(script->hqi, i);
 
-	memcpy(script->hqi[idx].item, queue->item, sizeof(int)*queue->size);
+	VECTOR_ENSURE(iter->entries, VECTOR_LENGTH(queue->entries), 1);
+	VECTOR_PUSHARRAY(iter->entries, VECTOR_DATA(queue->entries), VECTOR_LENGTH(queue->entries));
 
-	script->hqi[ idx ].items = queue->size;
-	script->hqi[ idx ].pos = 0;
+	iter->pos = 0;
+	iter->valid = true;
 
-	script_pushint(st,idx);
+	script_pushint(st, i);
 	return true;
 }
-/* Queue Iterator Get Next */
-/* returns next/first member in the iterator, 0 if none */
-BUILDIN(qiget) {
+
+/**
+ * Script command qiget: returns the next/first member in the iterator.
+ *
+ * Returns 0 if there's no next item.
+ *
+ * @code{.herc}
+ *    for (.@i = qiget(.@iter); qicheck(.@iter); .@i = qiget(.@iter)) {
+ *        // ...
+ *    }
+ * @endcode
+ */
+BUILDIN(qiget)
+{
 	int idx = script_getnum(st, 2);
+	struct script_queue_iterator *it = NULL;
 
-	if( idx < 0 || idx >= script->hqis ) {
+	if (idx < 0 || idx >= VECTOR_LENGTH(script->hqi) || !VECTOR_INDEX(script->hqi, idx).valid) {
 		ShowWarning("buildin_qiget: unknown queue iterator id %d\n",idx);
 		script_pushint(st, 0);
-	} else if (script->hqi[idx].pos >= script->hqi[idx].items) {
-		script_pushint(st, 0);
-	} else {
-		struct hQueueIterator *it = &script->hqi[idx];
-		script_pushint(st, it->item[it->pos++]);
+		return true;
 	}
 
+	it = &VECTOR_INDEX(script->hqi, idx);
+
+	if (it->pos >= VECTOR_LENGTH(it->entries)) {
+		if (it->pos == VECTOR_LENGTH(it->entries))
+			++it->pos; // Move beyond the last position to invalidate qicheck
+		script_pushint(st, 0);
+		return true;
+	}
+	script_pushint(st, VECTOR_INDEX(it->entries, it->pos++));
 	return true;
 }
-/* Queue Iterator Check */
-/* returns 1:0 if there is a next member in the iterator */
-BUILDIN(qicheck) {
+
+/**
+ * Script command qicheck: Checks if the current member in the given iterator (from the last call to qiget) exists.
+ *
+ * Returns 1 if it exists, 0 otherwise.
+ *
+ * @code{.herc}
+ *    for (.@i = qiget(.@iter); qicheck(.@iter); .@i = qiget(.@iter)) {
+ *        // ...
+ *    }
+ * @endcode
+ */
+BUILDIN(qicheck)
+{
 	int idx = script_getnum(st, 2);
+	struct script_queue_iterator *it = NULL;
 
-	if( idx < 0 || idx >= script->hqis ) {
+	if (idx < 0 || idx >= VECTOR_LENGTH(script->hqi) || !VECTOR_INDEX(script->hqi, idx).valid) {
 		ShowWarning("buildin_qicheck: unknown queue iterator id %d\n",idx);
 		script_pushint(st, 0);
-	} else if (script->hqi[idx].pos >= script->hqi[idx].items) {
+		return true;
+	}
+
+	it = &VECTOR_INDEX(script->hqi, idx);
+
+	if (it->pos <= 0 || it->pos > VECTOR_LENGTH(it->entries)) {
 		script_pushint(st, 0);
 	} else {
 		script_pushint(st, 1);
@@ -19119,20 +19221,37 @@ BUILDIN(qicheck) {
 
 	return true;
 }
-/* Queue Iterator Check */
-BUILDIN(qiclear) {
+
+/**
+ * Script command qiclear: Destroys a queue iterator.
+ *
+ * Returns true (1) on success, false (0) on failure.
+ *
+ * @code{.herc}
+ *    qiclear(.@iter);
+ * @endcode
+ */
+BUILDIN(qiclear)
+{
 	int idx = script_getnum(st, 2);
+	struct script_queue_iterator *it = NULL;
 
-	if( idx < 0 || idx >= script->hqis ) {
+	if (idx < 0 || idx >= VECTOR_LENGTH(script->hqi) || !VECTOR_INDEX(script->hqi, idx).valid) {
 		ShowWarning("buildin_qiclear: unknown queue iterator id %d\n",idx);
-		script_pushint(st, 1);
-	} else {
-		script->hqi[idx].items = -1;
 		script_pushint(st, 0);
+		return true;
 	}
 
+	it = &VECTOR_INDEX(script->hqi, idx);
+
+	VECTOR_CLEAR(it->entries);
+	it->pos = 0;
+	it->valid = false;
+
+	script_pushint(st, 1);
 	return true;
 }
+
 /**
  * packageitem({<optional container_item_id>})
  * when no item id is provided it tries to assume it comes from the current item id being processed (if any)
@@ -20366,7 +20485,7 @@ void script_parse_builtin(void) {
 		BUILDIN_DEF(showevent, "i?"),
 
 		/**
-		 * hQueue [Ind/Hercules]
+		 * script_queue [Ind/Hercules]
 		 **/
 		BUILDIN_DEF(queue,""),
 		BUILDIN_DEF(queuesize,"i"),
@@ -20573,10 +20692,6 @@ void script_defaults(void) {
 	script->stack_ers = NULL;
 	script->array_ers = NULL;
 
-	script->hq = NULL;
-	script->hqi = NULL;
-	script->hqs = script->hqis = 0;
-
 	script->buildin = NULL;
 	script->buildin_count = 0;
 
diff --git a/src/map/script.h b/src/map/script.h
index ff660dec8..b153cf81a 100644
--- a/src/map/script.h
+++ b/src/map/script.h
@@ -223,12 +223,13 @@ typedef enum c_op {
 #endif // PCRE_SUPPORT
 } c_op;
 
-enum hQueueOpt {
-	HQO_NONE,
-	HQO_onLogOut,
-	HQO_OnDeath,
-	HQO_OnMapChange,
-	HQO_MAX,
+/// Script queue options
+enum ScriptQueueOptions {
+	SQO_NONE,        ///< No options set
+	SQO_ONLOGOUT,    ///< Execute event on logout
+	SQO_ONDEATH,     ///< Execute event on death
+	SQO_ONMAPCHANGE, ///< Execute event on map change
+	SQO_MAX,
 };
 
 enum e_script_state { RUN,STOP,END,RERUNLINE,GOTO,RETFUNC,CLOSE };
@@ -391,22 +392,27 @@ struct script_stack {
 	struct reg_db scope;            ///< scope variables
 };
 
-/* [Ind/Hercules] */
-struct hQueue {
-	int id;
-	int *item;
-	int items;/* how many actual items are in the array */
-	int size;/* size of the *item array, not the current amount of items in it since it can have empty slots */
-	/* events */
-	char onLogOut[EVENT_NAME_LENGTH];
-	char onDeath[EVENT_NAME_LENGTH];
-	char onMapChange[EVENT_NAME_LENGTH];
+/**
+ * Data structure to represent a script queue.
+ * @author Ind/Hercules
+ */
+struct script_queue {
+	int id;                              ///< Queue identifier
+	VECTOR_DECL(int) entries;            ///< Items in the queue.
+	bool valid;                          ///< Whether the queue is valid.
+	/// Events
+	char event_logout[EVENT_NAME_LENGTH];    ///< Logout event
+	char event_death[EVENT_NAME_LENGTH];     ///< Death event
+	char event_mapchange[EVENT_NAME_LENGTH]; ///< Map change event
 };
 
-struct hQueueIterator {
-	int *item;
-	int items;
-	int pos;
+/**
+ * Iterator for a struct script_queue.
+ */
+struct script_queue_iterator {
+	VECTOR_DECL(int) entries; ///< Entries in the queue (iterator's cached copy)
+	bool valid;               ///< Whether the queue is valid (initialized - not necessarily having entries available)
+	int pos;                  ///< Iterator's cursor
 };
 
 struct script_state {
@@ -515,9 +521,8 @@ struct script_interface {
 	struct eri *st_ers;
 	struct eri *stack_ers;
 	/* */
-	struct hQueue *hq;
-	struct hQueueIterator *hqi;
-	int hqs, hqis;
+	VECTOR_DECL(struct script_queue) hq;
+	VECTOR_DECL(struct script_queue_iterator) hqi;
 	/*  */
 	char **buildin;
 	unsigned int buildin_count;
@@ -667,12 +672,12 @@ struct script_interface {
 	void (*setd_sub) (struct script_state *st, struct map_session_data *sd, const char *varname, int elem, void *value, struct reg_db *ref);
 	void (*attach_state) (struct script_state* st);
 	/* */
-	struct hQueue *(*queue) (int idx);
+	struct script_queue *(*queue) (int idx);
 	bool (*queue_add) (int idx, int var);
 	bool (*queue_del) (int idx);
 	bool (*queue_remove) (int idx, int var);
 	int (*queue_create) (void);
-	void (*queue_clear) (int idx);
+	bool (*queue_clear) (int idx);
 	/* */
 	const char * (*parse_curly_close) (const char *p);
 	const char * (*parse_syntax_close) (const char *p);
diff --git a/src/map/unit.c b/src/map/unit.c
index 7c253c5c2..3046db9e1 100644
--- a/src/map/unit.c
+++ b/src/map/unit.c
@@ -2645,10 +2645,7 @@ int unit_free(struct block_list *bl, clr_type clrtype) {
 				aFree(sd->instance);
 				sd->instance = NULL;
 			}
-			if( sd->queues != NULL ) {
-				aFree(sd->queues);
-				sd->queues = NULL;
-			}
+			VECTOR_CLEAR(sd->script_queues);
 			if( sd->quest_log != NULL ) {
 				aFree(sd->quest_log);
 				sd->quest_log = NULL;