Add display name template

src/main/kotlin/gg/obsidian/obsidianpermissions/Configuration.kt

@@ -16,6 +16,7 @@ class Configuration(val plugin: Plugin) {
         for (rawDefinition in plugin.config.getMapList("groups")) {
             val definition = rawDefinition as Map<String, Any>
             var name: String? = null
+            var displayName: String? = null
             var rank = 10;
             val permissions = HashSet<String>()
 
@@ -27,14 +28,23 @@ class Configuration(val plugin: Plugin) {
                 rank = definition["rank"] as Int
             }
 
+            if (definition.contains("display_name")) {
+                displayName = definition["display_name"] as String
+            }
+
             if (definition.contains("permissions")) {
                 val hashmap = definition["permissions"] as ArrayList<String>
                 permissions.addAll(hashmap)
             }
 
             if (name == null) continue
 
-            val group = Group(name, rank, permissions)
+            val group = Group(
+                    name = name,
+                    rank = rank,
+                    permissions = permissions,
+                    displayNameTemplate = displayName
+            )
             GROUPS.add(group)
         }
     }

src/main/kotlin/gg/obsidian/obsidianpermissions/Manager.kt

@@ -1,6 +1,7 @@
 package gg.obsidian.obsidianpermissions
 
 import gg.obsidian.obsidianpermissions.models.Group
+import org.bukkit.ChatColor
 import org.bukkit.entity.Player
 import org.bukkit.metadata.FixedMetadataValue
 import org.bukkit.permissions.Permission
@@ -47,6 +48,8 @@ class Manager(val plugin: Plugin) {
             player.addAttachment(plugin, perm.name, true);
         }
 
+        setDisplayName(player)
+
         return true
     }
 
@@ -92,6 +95,15 @@ class Manager(val plugin: Plugin) {
         return plugin.configuration.getGroup(name)
     }
 
+    fun setDisplayName(player: Player) {
+        var template = getDisplayNameTemplate(player)
+        if (template.contains("%p")) {
+            template = template.replace("%p", player.name)
+        }
+        val colorizedName = ChatColor.translateAlternateColorCodes('&', template)
+        player.displayName = colorizedName
+    }
+
     // Private functions
 
     private fun getPlayerState(player: Player): PlayerState? {
@@ -115,4 +127,12 @@ class Manager(val plugin: Plugin) {
         }
         return finalMap
     }
+
+    private fun getDisplayNameTemplate(player: Player): String {
+        val groups = getPlayerGroups(player)
+        for (group in groups) {
+            if (group.displayNameTemplate != null) return group.displayNameTemplate
+        }
+        return "%p"
+    }
 }

src/main/kotlin/gg/obsidian/obsidianpermissions/Plugin.kt

@@ -13,6 +13,7 @@ import org.bukkit.event.player.PlayerLoginEvent
 import org.bukkit.event.player.PlayerQuitEvent
 import org.bukkit.plugin.ServicePriority
 import org.bukkit.plugin.java.JavaPlugin
+import java.io.File
 import java.util.*
 import javax.persistence.PersistenceException
 
@@ -77,8 +78,11 @@ class Plugin : JavaPlugin(), Listener {
     // Utilities
 
     fun loadConfig(version: String) {
-        this.saveDefaultConfig()
-        config.options().copyDefaults(true)
+        val configFile = File(dataFolder, "config.yml")
+        if (!configFile.exists()) {
+            config.options().copyDefaults(true)
+            saveConfig()
+        }
         config.set("version", version)
         saveConfig()
         configuration.load()

src/main/kotlin/gg/obsidian/obsidianpermissions/models/Group.kt

@@ -3,5 +3,6 @@ package gg.obsidian.obsidianpermissions.models
 data class Group(
         val name: String,
         val rank: Int,
-        val permissions: Set<String>
+        val permissions: Set<String>,
+        val displayNameTemplate: String? = null
 ) {}