1 files changed, 9 insertions, 0 deletions
diff --git a/src/main/kotlin/io/dico/parcels2/util/BukkitUtil.kt b/src/main/kotlin/io/dico/parcels2/util/BukkitUtil.kt
index 618eaed..c7d813b 100644
--- a/src/main/kotlin/io/dico/parcels2/util/BukkitUtil.kt
+++ b/src/main/kotlin/io/dico/parcels2/util/BukkitUtil.kt
@@ -3,6 +3,7 @@ package io.dico.parcels2.util
 import io.dico.parcels2.util.ext.isValid
 import org.bukkit.Bukkit
 import org.bukkit.OfflinePlayer
+import java.lang.IllegalArgumentException
 import java.util.UUID
 
 fun getPlayerName(uuid: UUID): String? = getOfflinePlayer(uuid)?.name
@@ -12,3 +13,11 @@ fun getOfflinePlayer(uuid: UUID): OfflinePlayer? = Bukkit.getOfflinePlayer(uuid)
 fun getOfflinePlayer(name: String): OfflinePlayer? = Bukkit.getOfflinePlayer(name).takeIf { it.isValid }
 
 fun isServerThread(): Boolean = Thread.currentThread().name == "Server thread"
+
+fun isPlayerNameValid(name: String): Boolean =
+    name.length in 3..16
+    && name.find { it !in "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_" } == null
+
+fun checkPlayerNameValid(name: String) {
+    if (!isPlayerNameValid(name)) throw IllegalArgumentException("Invalid player name: $name")
+}