fix: mojang api on other thread

Author: InvalidJoker

src/main/kotlin/cc/modlabs/kpaper/game/GamePlayers.kt

@@ -0,0 +1,10 @@
+package cc.modlabs.kpaper.game
+
+import org.bukkit.entity.Player
+
+interface GamePlayers {
+
+    var livingPlayers: MutableList<Player>
+
+    var spectators: MutableList<Player>
+}

src/main/kotlin/cc/modlabs/kpaper/game/countdown/Countdown.kt

@@ -0,0 +1,15 @@
+package cc.modlabs.kpaper.game.countdown
+
+import cc.modlabs.kpaper.game.GamePlayers
+import org.bukkit.scheduler.BukkitTask
+
+abstract class Countdown(val game: GamePlayers, val defaultDuration: Int) {
+
+    var duration: Int = defaultDuration
+
+
+    lateinit var countdown: BukkitTask
+    abstract fun start()
+
+    abstract fun stop()
+}

src/main/kotlin/cc/modlabs/kpaper/utils/MojangAPI.kt

@@ -1,21 +1,29 @@
 package cc.modlabs.kpaper.utils
 
 import com.google.gson.Gson
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
 import java.net.URI
 
 class MojangAPI {
     private val gson = Gson()
 
     fun getUser(user: String): MclSuccessResponse? {
-        val url = "https://mcl.flawcra.cc/$user"
-        val response = URI.create(url).toURL().readText()
+        try {
+            CoroutineScope(Dispatchers.Default).run {
+                val url = "https://mcl.flawcra.cc/$user"
+                val response = URI.create(url).toURL().readText()
 
-        val errorResponse = gson.fromJson(response, MclErrorResponse::class.java)
-        if (errorResponse.error != null) {
+                val errorResponse = gson.fromJson(response, MclErrorResponse::class.java)
+                if (errorResponse.error != null) {
+                    return null
+                }
+
+                return gson.fromJson(response, MclSuccessResponse::class.java)
+            }
+        } catch (e: Exception) {
             return null
         }
-
-        return gson.fromJson(response, MclSuccessResponse::class.java)
     }
 }