Add playerOnChangeZone TFS 1.3

diff.diff

diff --git a/data/events/events.xml b/data/events/events.xml
index febdc6e5..b930a368 100644
--- a/data/events/events.xml
+++ b/data/events/events.xml
@@ -19,6 +19,7 @@
 	<event class="Player" method="onLookInShop" enabled="0" />
 	<event class="Player" method="onMoveItem" enabled="1" />
 	<event class="Player" method="onItemMoved" enabled="0" />
+	<event class="Player" method="onChangeZone" enabled="0" />
 	<event class="Player" method="onMoveCreature" enabled="0" />
 	<event class="Player" method="onReportBug" enabled="1" />
 	<event class="Player" method="onReportRuleViolation" enabled="1" />
diff --git a/data/events/scripts/player.lua b/data/events/scripts/player.lua
index e62fd42a..a4f97952 100644
--- a/data/events/scripts/player.lua
+++ b/data/events/scripts/player.lua
@@ -118,6 +118,9 @@ end
 function Player:onItemMoved(item, count, fromPosition, toPosition, fromCylinder, toCylinder)
 end
 
+function Player:onChangeZone(zone)
+end
+
 function Player:onMoveCreature(creature, fromPosition, toPosition)
 	return true
 end
diff --git a/src/events.cpp b/src/events.cpp
index bc7fbcd7..d3c3c19b 100644
--- a/src/events.cpp
+++ b/src/events.cpp
@@ -102,6 +102,8 @@ bool Events::load()
 				info.playerOnMoveItem = event;
 			} else if (methodName == "onItemMoved") {
 				info.playerOnItemMoved = event;
+			} else if (methodName == "onChangeZone") {
+				info.playerOnChangeZone = event;	
 			} else if (methodName == "onMoveCreature") {
 				info.playerOnMoveCreature = event;
 			} else if (methodName == "onReportRuleViolation") {
@@ -571,6 +573,32 @@ void Events::eventPlayerOnItemMoved(Player* player, Item* item, uint16_t count,
 	scriptInterface.callVoidFunction(7);
 }
 
+void Events::eventPlayerOnChangeZone(Player* player, ZoneType_t zone)
+{
+	// Player:onChangeZone(zone)
+	if (info.playerOnChangeZone == -1) {
+		return;
+	}
+
+	if (!scriptInterface.reserveScriptEnv()) {
+		std::cout << "[Error - Events::eventPlayerOnChangeZone] Call stack overflow" << std::endl;
+		return;
+	}
+
+	ScriptEnvironment* env = scriptInterface.getScriptEnv();
+	env->setScriptId(info.playerOnChangeZone, &scriptInterface);
+
+	lua_State* L = scriptInterface.getLuaState();
+	scriptInterface.pushFunction(info.playerOnChangeZone);
+
+	LuaScriptInterface::pushUserdata<Player>(L, player);
+	LuaScriptInterface::setMetatable(L, -1, "Player");
+
+	lua_pushnumber(L, zone);
+
+	scriptInterface.callVoidFunction(2);
+}
+
 bool Events::eventPlayerOnMoveCreature(Player* player, Creature* creature, const Position& fromPosition, const Position& toPosition)
 {
 	// Player:onMoveCreature(creature, fromPosition, toPosition) or Player.onMoveCreature(self, creature, fromPosition, toPosition)
diff --git a/src/events.h b/src/events.h
index 89fbd194..7cc77bfe 100644
--- a/src/events.h
+++ b/src/events.h
@@ -48,6 +48,7 @@ class Events
 		int32_t playerOnLookInShop = -1;
 		int32_t playerOnMoveItem = -1;
 		int32_t playerOnItemMoved = -1;
+		int32_t playerOnChangeZone = -1;
 		int32_t playerOnMoveCreature = -1;
 		int32_t playerOnReportRuleViolation = -1;
 		int32_t playerOnReportBug = -1;
@@ -83,6 +84,7 @@ class Events
 		bool eventPlayerOnLookInShop(Player* player, const ItemType* itemType, uint8_t count);
 		bool eventPlayerOnMoveItem(Player* player, Item* item, uint16_t count, const Position& fromPosition, const Position& toPosition, Cylinder* fromCylinder, Cylinder* toCylinder);
 		void eventPlayerOnItemMoved(Player* player, Item* item, uint16_t count, const Position& fromPosition, const Position& toPosition, Cylinder* fromCylinder, Cylinder* toCylinder);
+		void eventPlayerOnChangeZone(Player* player, ZoneType_t zone);
 		bool eventPlayerOnMoveCreature(Player* player, Creature* creature, const Position& fromPosition, const Position& toPosition);
 		void eventPlayerOnReportRuleViolation(Player* player, const std::string& targetName, uint8_t reportType, uint8_t reportReason, const std::string& comment, const std::string& translation);
 		bool eventPlayerOnReportBug(Player* player, const std::string& message, const Position& position, uint8_t category);
diff --git a/src/player.cpp b/src/player.cpp
index 6146bdde..e8e6bff2 100644
--- a/src/player.cpp
+++ b/src/player.cpp
@@ -1101,6 +1101,7 @@ void Player::onChangeZone(ZoneType_t zone)
 
 	g_game.updateCreatureWalkthrough(this);
 	sendIcons();
+	g_events->eventPlayerOnChangeZone(this, zone);
 }
 
 void Player::onAttackedCreatureChangeZone(ZoneType_t zone)