From 8e7591cd4b4dc1e3b715702b72e5eea185ac7b1b Mon Sep 17 00:00:00 2001
From: Noudess <noudess@gmail.com>
Date: Mon, 27 Jul 2020 10:43:24 -0400
Subject: [PATCH] Added support for quests to enable and then redisable
 processing of movement.

---
 zone/embparser_api.cpp | 14 ++++++++++++++
 zone/entity.cpp        |  2 +-
 zone/lua_general.cpp   |  5 +++++
 zone/questmgr.cpp      |  9 +++++++++
 zone/questmgr.h        |  1 +
 zone/zone.cpp          |  1 +
 zone/zone.h            |  1 +
 7 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/zone/embparser_api.cpp b/zone/embparser_api.cpp
index ae5a79f10..d37960105 100644
--- a/zone/embparser_api.cpp
+++ b/zone/embparser_api.cpp
@@ -2070,6 +2070,19 @@ XS(XS__repopzone) {
 	XSRETURN_EMPTY;
 }
 
+XS(XS__processmobswhilezoneempty);
+XS(XS__processmobswhilezoneempty) {
+	dXSARGS;
+	if (items != 1)
+		Perl_croak(aTHX_ "Usage: quest::processmobswhilezoneempty(bool on)");
+
+	bool ProcessingOn = ((int) SvIV(ST(0))) == 0 ? false : true;
+
+	quest_manager.processmobswhilezoneempty(ProcessingOn);
+
+	XSRETURN_EMPTY;
+}
+
 XS(XS__npcrace);
 XS(XS__npcrace) {
 	dXSARGS;
@@ -5614,6 +5627,7 @@ EXTERN_C XS(boot_quest) {
 	newXS(strcpy(buf, "playersize"), XS__playersize, file);
 	newXS(strcpy(buf, "playertexture"), XS__playertexture, file);
 	newXS(strcpy(buf, "popup"), XS__popup, file);
+	newXS(strcpy(buf, "processmobswhilezoneempty"), XS__processmobswhilezoneempty, file);
 	newXS(strcpy(buf, "pvp"), XS__pvp, file);
 	newXS(strcpy(buf, "qs_player_event"), XS__qs_player_event, file);
 	newXS(strcpy(buf, "qs_send_query"), XS__qs_send_query, file);
diff --git a/zone/entity.cpp b/zone/entity.cpp
index 2c8216101..38d3a0afd 100644
--- a/zone/entity.cpp
+++ b/zone/entity.cpp
@@ -515,7 +515,7 @@ void EntityList::MobProcess()
 			mob_settle_timer->Disable();
 		}
 
-		if (numclients > 0 ||
+		if (zone->process_mobs_while_empty || numclients > 0 ||
 			mob->GetWanderType() == 4 || mob->GetWanderType() == 6 ||
 			mob_settle_timer->Enabled()) {
 			// Normal processing, or assuring that spawns that should
diff --git a/zone/lua_general.cpp b/zone/lua_general.cpp
index 5ad1b2266..12a1a6fc8 100644
--- a/zone/lua_general.cpp
+++ b/zone/lua_general.cpp
@@ -389,6 +389,10 @@ void lua_repop_zone() {
 	quest_manager.repopzone();
 }
 
+void lua_process_mobs_while_zone_empty(bool on) {
+	quest_manager.processmobswhilezoneempty(on);
+}
+
 bool lua_is_disc_tome(int item_id) {
 	return quest_manager.isdisctome(item_id);
 }
@@ -2167,6 +2171,7 @@ luabind::scope lua_register_general() {
 		luabind::def("depop_all", (void(*)(int))&lua_depop_all),
 		luabind::def("depop_zone", &lua_depop_zone),
 		luabind::def("repop_zone", &lua_repop_zone),
+		luabind::def("process_mobs_while_zone_empty", &lua_process_mobs_while_zone_empty),
 		luabind::def("is_disc_tome", &lua_is_disc_tome),
 		luabind::def("get_race_name", (std::string(*)(uint16))&lua_get_race_name),
 		luabind::def("get_spell_name", (std::string(*)(uint32))&lua_get_spell_name),
diff --git a/zone/questmgr.cpp b/zone/questmgr.cpp
index 9daf2d351..2b130b803 100644
--- a/zone/questmgr.cpp
+++ b/zone/questmgr.cpp
@@ -856,6 +856,15 @@ void QuestManager::repopzone() {
 	}
 }
 
+void QuestManager::processmobswhilezoneempty(bool on) {
+	if(zone) {
+		zone->process_mobs_while_empty = on;
+	}
+	else {
+		LogQuests("QuestManager::processmobswhilezoneempty called with nullptr zone. Probably syntax error in quest file");
+	}
+}
+
 void QuestManager::settarget(const char *type, int target_id) {
 	QuestManagerCurrentQuestVars();
 	if (!owner || !owner->IsNPC())
diff --git a/zone/questmgr.h b/zone/questmgr.h
index 8e9d84cf9..9ea34e1e1 100644
--- a/zone/questmgr.h
+++ b/zone/questmgr.h
@@ -101,6 +101,7 @@ public:
 	void depopall(int npc_type = 0);
 	void depopzone(bool StartSpawnTimer = true);
 	void repopzone();
+	void processmobswhilezoneempty(bool on);
 	void settarget(const char *type, int target_id);
 	void follow(int entity_id, int distance);
 	void sfollow();
diff --git a/zone/zone.cpp b/zone/zone.cpp
index c9342f305..34cd2e457 100755
--- a/zone/zone.cpp
+++ b/zone/zone.cpp
@@ -866,6 +866,7 @@ Zone::Zone(uint32 in_zoneid, uint32 in_instanceid, const char* in_short_name)
 	default_ruleset = 0;
 
 	is_zone_time_localized = false;
+	process_mobs_while_empty = false;
 
 	loglevelvar = 0;
 	merchantvar = 0;
diff --git a/zone/zone.h b/zone/zone.h
index 9c56efbab..27d45def7 100755
--- a/zone/zone.h
+++ b/zone/zone.h
@@ -93,6 +93,7 @@ public:
 	AA::Ability *GetAlternateAdvancementAbilityByRank(int rank_id);
 	AA::Rank *GetAlternateAdvancementRank(int rank_id);
 	bool is_zone_time_localized;
+	bool process_mobs_while_empty;
 	bool AggroLimitReached() { return (aggroedmobs > 10) ? true : false; }
 	bool AllowMercs() const { return (allow_mercs); }
 	bool CanBind() const { return (can_bind); }