Fix flying kick when trying to log in on water

src/main/kotlin/me/iru/data/Session.kt

@@ -2,7 +2,7 @@ package me.iru.data
 
 import me.iru.Authy
 import me.iru.LoginType
-import me.iru.utils.teleportToGround
+import me.iru.utils.TeleportUtil
 import org.bukkit.entity.Player
 import java.lang.Long.parseLong
 import java.sql.Timestamp
@@ -27,7 +27,7 @@ class Session {
         val curtime = Timestamp(System.currentTimeMillis())
         val timestamp = curtime.time
         if((parseLong(session.toString()) + (authy.config.getInt("sessionExpiresIn") * 3600000) > timestamp) && p.address?.address?.hostAddress == authyPlayer.ip) {
-            teleportToGround(p)
+            TeleportUtil.teleportToValidPlace(p)
             authManager.login(p, LoginType.Session)
             return true
         }

src/main/kotlin/me/iru/process/JoinProcess.kt

@@ -3,8 +3,8 @@ package me.iru.process
 import me.iru.Authy
 import me.iru.PrefixType
 import me.iru.data.migration.Migration
+import me.iru.utils.TeleportUtil
 import me.iru.utils.hasValidName
-import me.iru.utils.teleportToGround
 import org.bukkit.Location
 import org.bukkit.entity.Player
 import org.bukkit.potion.PotionEffect
@@ -28,7 +28,7 @@ class JoinProcess(private val player: Player) {
         if(session.tryAutoLogin(player)) return
 
         joinTeleports()
-        teleportToGround(player)
+        TeleportUtil.teleportToValidPlace(player)
 
         // Place premium check here
 

src/main/kotlin/me/iru/utils/TeleportUtil.kt

@@ -0,0 +1,36 @@
+package me.iru.utils
+
+import me.iru.Authy
+import org.bukkit.Location
+import org.bukkit.block.BlockFace
+import org.bukkit.entity.Player
+import org.bukkit.scheduler.BukkitTask
+
+object TeleportUtil {
+    fun teleportToValidPlace(player: Player) {
+        teleportToGround(player)
+    }
+
+    fun teleportToGround(player: Player) {
+        val authy = Authy.instance
+
+        var f = false
+        if(player.isFlying) {
+            f = true
+            player.isFlying = false
+        }
+
+        var task0 : BukkitTask? = null
+        var loc = player.location
+        task0 = authy.server.scheduler.runTaskTimer(authy, Runnable {
+            if(!loc.block.getRelative(BlockFace.DOWN).type.isSolid) {
+                loc = Location(loc.world, loc.x, loc.y - 1, loc.z)
+            } else {
+                task0!!.cancel()
+                player.teleport(loc)
+            }
+        }, 0L, 0L)
+
+        if(f) player.isFlying = true
+    }
+}