random events are now unpredictably timed

Server/src/main/kotlin/rs09/game/content/ame/RandomEventManager.kt

@@ -2,10 +2,13 @@ package rs09.game.content.ame
 
 import core.game.node.entity.player.Player
 import core.game.world.map.zone.ZoneRestriction
+import core.tools.RandomFunction
 import rs09.game.system.SystemLogger
 import rs09.game.world.GameWorld
 
-private const val DELAY_TICKS = 6000 //60 minutes
+private const val AVG_DELAY_TICKS = 6000 // 60 minutes
+private const val MIN_DELAY_TICKS = AVG_DELAY_TICKS / 2
+private const val MAX_DELAY_TICKS = MIN_DELAY_TICKS + AVG_DELAY_TICKS // window of 60 min centered on 60 min (30 to 90 min)
 class RandomEventManager(val player: Player) {
     var event: RandomEventNPC? = null
     var nextSpawn = 0
@@ -27,13 +30,17 @@ class RandomEventManager(val player: Player) {
             return
         }
         event!!.init()
-        nextSpawn = GameWorld.ticks + DELAY_TICKS
+        rollNextSpawn()
         SystemLogger.logRE("Fired ${event!!.name} for ${player.username}")
     }
 
     fun init() {
         if (player.isArtificial) return
-        nextSpawn = GameWorld.ticks + DELAY_TICKS
+        rollNextSpawn()
         SystemLogger.logRE("Initialized REManager for ${player.username}")
     }
+
+    private fun rollNextSpawn() {
+        nextSpawn = GameWorld.ticks + RandomFunction.random(MIN_DELAY_TICKS, MAX_DELAY_TICKS)
+    }
 }