MapAreas can now reference their associated zones to dynamically add/remove borders

Random Events can no longer spawn in fishing trawler
Players can no longer have multiple random events spawned in/active at a time

Server/src/main/kotlin/api/MapArea.kt

@@ -2,6 +2,8 @@ package api
 
 import core.game.node.entity.Entity
 import core.game.world.map.Location
+import core.game.world.map.zone.MapZone
+import core.game.world.map.zone.RegionZone
 import core.game.world.map.zone.ZoneBorders
 import core.game.world.map.zone.ZoneRestriction
 
@@ -10,9 +12,21 @@ import core.game.world.map.zone.ZoneRestriction
  * Optionally-overridable methods include [getRestrictions], [areaEnter], [areaLeave] and [entityStep]
  */
 interface MapArea {
+    var zone: MapZone
+        get(){
+            return zoneMaps[this.javaClass.simpleName + "MapArea"]!!
+        }
+        set(value) {
+            zoneMaps[this.javaClass.simpleName + "MapArea"] = value
+        }
+
     fun defineAreaBorders() : Array<ZoneBorders>
     fun getRestrictions() : Array<ZoneRestriction> {return arrayOf()}
     fun areaEnter(entity: Entity) {}
     fun areaLeave(entity: Entity, logout: Boolean) {}
     fun entityStep(entity: Entity, location: Location, lastLocation: Location) {}
+
+    companion object {
+        val zoneMaps = HashMap<String, MapZone>()
+    }
 }