Add ScoreboardItem

BauSystem_Main/src/de/steamwar/bausystem/linkage/LinkageType.java

@@ -40,15 +40,20 @@ import java.util.function.Predicate;
 @AllArgsConstructor
 @Getter
 public enum LinkageType {
+
+    // NORMAL
     COMMAND(-1, false, SWCommand.class::isAssignableFrom),
     ENABLE_LINK(0, false, Enable.class::isAssignableFrom, o -> ((Enable) o).enable()),
     DISABLE_LINK(0, true, Disable.class::isAssignableFrom, o -> ((Disable) o).disable()),
     PLAIN(1, false, clazz -> true),
     LISTENER(2, false, Listener.class::isAssignableFrom, o -> Bukkit.getPluginManager().registerEvents((Listener) o, BauSystem.getInstance())),
     UNLINK_LISTENER(2, true, Listener.class::isAssignableFrom, o -> HandlerList.unregisterAll((Listener) o)),
+
+    // SPECIFIC
     GUI_ITEM(3, false, GuiItem.class::isAssignableFrom, o -> BauGUI.addItem((GuiItem) o)),
     SCRIPT_COMMAND(4, false, SpecialCommand.class::isAssignableFrom, o -> ScriptExecutor.SPECIAL_COMMANDS.add((SpecialCommand) o)),
-    CONFIG_CONVERTER(5, false, ConfigConverter.class::isAssignableFrom, o -> ConfigUpdater.addConfigConverter((ConfigConverter) o));
+    CONFIG_CONVERTER(5, false, ConfigConverter.class::isAssignableFrom, o -> ConfigUpdater.addConfigConverter((ConfigConverter) o)),
+    SCOREBOARD(6, false, ScoreboardItem.class::isAssignableFrom, o -> {});
 
     private final int order;
 

BauSystem_Main/src/de/steamwar/bausystem/linkage/ScoreboardItem.java

@@ -0,0 +1,37 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2021  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.linkage;
+
+import de.steamwar.bausystem.region.Region;
+import org.bukkit.entity.Player;
+
+public interface ScoreboardItem {
+
+    /**
+     * Returns one Scoreboard line. If {@code null} result will be ignored.
+     * If return value contains {@code '?'} it will be replaced to the color
+     * code of the current {@link Region}.
+     *
+     * @param player the player to create the scoreboard line for
+     * @param region the region the player is in
+     * @return the String to send, can be {@code null}
+     */
+    String getString(Player player, Region region);
+}