make start and end time for blood moon configurable

src/main/kotlin/pw/hamzantal/bloodmoon/BMData.kt

@@ -15,7 +15,7 @@ object BMData {
     val creepers = mutableListOf<Creeper>()
 
     fun ticksLeft(): Int {
-        return (23460 - Config.world.time).toInt()
+        return (Config.endTime - Config.world.time).toInt()
     }
 
     fun begin() {

src/main/kotlin/pw/hamzantal/bloodmoon/BloodMoon.kt

@@ -23,7 +23,7 @@ class BloodMoon : JavaPlugin(), Listener {
         initListeners()
 
         schedule(async = false, period = 1, delay = 1) {
-            if (Bukkit.getWorlds().first().fullTime - 13000 in 0..20) {
+            if (Bukkit.getWorlds().first().fullTime - Config.startTime in 0..20) {
                 val chance = Random.nextDouble()
                 if (!BMData.running && chance < Config.chance) BMData.begin()
                 else Bukkit.getOnlinePlayers().filter { it.hasPermission("bloodmoon.admin") || it.isOp }.forEach {

src/main/kotlin/pw/hamzantal/bloodmoon/Config.kt

@@ -6,8 +6,12 @@ import org.bukkit.Bukkit
 import org.bukkit.ChatColor
 
 object Config : ConfigFile(BloodMoon.pl.dataFolder["config.yml"]) {
-    private val _world by string("world", "world")
+    private val w by string("world", "world")
-    val world get() = Bukkit.getWorld(_world)
+    val world get() = Bukkit.getWorld(w)!!
+    val startTime by int("start_time")
+    val endTime by int("end_time")
+
+
     val chance by double("chance", 0.2)
 
     val enabledMobs by stringList("transformed_mobs")

src/main/resources/config.yml

@@ -1,5 +1,7 @@
 # Which world will the blood moon be enabled for?
 world: "world"
+start_time: 14000
+end_time: 23460
 
 # WHat is the chance that the blood moon will occur on any specific night?
 chance: 0.2