added LocatorBar preferences

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/metaGameplay/settings/Settings.java

@@ -17,6 +17,7 @@ import org.jetbrains.annotations.NotNull;
 import java.lang.reflect.InvocationTargetException;
 import java.util.*;
 import java.util.concurrent.atomic.AtomicInteger;
+import java.util.function.Consumer;
 import java.util.stream.Collectors;
 
 public class Settings extends Appliance {
@@ -34,7 +35,8 @@ public class Settings extends Appliance {
         ChatMentions,
         DoubleDoors,
         KnockDoors,
-        BorderWarning
+        BorderWarning,
+        LocatorBarConfig
     }
 
     public static Settings instance() {
@@ -58,6 +60,16 @@ public class Settings extends Appliance {
 
     private final WeakHashMap<Player, OpenSettingsInventory> openSettingsInventories = new WeakHashMap<>();
     private final WeakHashMap<Player, List<Setting<?>>> settingsCache = new WeakHashMap<>();
+    protected final Map<Class<? extends Setting<?>>, Consumer<Player>> changeListeners = new WeakHashMap<>();
+
+    public <TDataType extends Setting<?>> void addChangeListener(Class<TDataType> setting, Consumer<Player> listener) {
+        this.changeListeners.merge(setting, listener, Consumer::andThen);
+    }
+
+    public <TDataType extends Setting<?>> void invokeChangeListener(Player player, Class<TDataType> setting) {
+        Optional.ofNullable(this.changeListeners.get(setting))
+            .ifPresent(listener -> listener.accept(player));
+    }
 
     private List<Setting<?>> getSettings(Player player) {
         if(this.settingsCache.containsKey(player)) return this.settingsCache.get(player);

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/metaGameplay/settings/datatypes/Setting.java

@@ -34,7 +34,24 @@ public abstract class Setting<TDataType> {
     }
 
     public void initializeFromPlayer(Player p) {
-        this.fromStorage(p.getPersistentDataContainer());
+        PersistentDataContainer dataContainer = p.getPersistentDataContainer();
+        try {
+            this.fromStorage(dataContainer);
+        } catch(IllegalArgumentException e) {
+            Main.logger().warning(String.format(
+                "Could not load state of setting %s from player %s: '%s'\n Did the datatype of the setting change?",
+                this.getNamespacedKey(),
+                e.getMessage(),
+                p.getName()
+            ));
+            dataContainer.remove(this.getNamespacedKey());
+            this.fromStorage(dataContainer);
+            Main.logger().info(String.format(
+                "Restoring defaults of setting %s of player %s",
+                this.getNamespacedKey(),
+                p.getName()
+            ));
+        }
     }
 
     public void triggerChange(Player p, ClickType clickType) {
@@ -42,6 +59,7 @@ public abstract class Setting<TDataType> {
         this.change(p, clickType);
         InteractSounds.of(p).click();
         this.toStorage(p.getPersistentDataContainer(), this.state());
+        Settings.instance().invokeChangeListener(p, this.getClass());
     }
 
     public ItemStack buildItem() {

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/gameplay/locatorBar/LocatorBar.java

@@ -0,0 +1,50 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.gameplay.locatorBar;
+
+import eu.mhsl.craftattack.spawn.common.appliances.metaGameplay.settings.Settings;
+import eu.mhsl.craftattack.spawn.core.appliance.Appliance;
+import org.bukkit.attribute.Attribute;
+import org.bukkit.attribute.AttributeInstance;
+import org.bukkit.entity.Player;
+import org.bukkit.event.Listener;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.List;
+import java.util.Objects;
+
+public class LocatorBar extends Appliance {
+    private enum Distance {
+        MAX(6.0e7),
+        ZERO(0.0);
+
+        final double distance;
+        Distance(double distance) {
+            this.distance = distance;
+        }
+    }
+
+    @Override
+    public void onEnable() {
+        Settings.instance().declareSetting(LocatorBarSettings.class);
+        Settings.instance().addChangeListener(LocatorBarSettings.class, this::updateLocatorBar);
+    }
+
+    public void updateLocatorBar(Player player) {
+        boolean enabled = Settings.instance().getSetting(player, Settings.Key.LocatorBarConfig, Boolean.class);
+
+        AttributeInstance receive = player.getAttribute(Attribute.WAYPOINT_RECEIVE_RANGE);
+        AttributeInstance transmit = player.getAttribute(Attribute.WAYPOINT_TRANSMIT_RANGE);
+
+        Objects.requireNonNull(receive);
+        Objects.requireNonNull(transmit);
+
+        receive.setBaseValue(enabled ? Distance.MAX.distance : Distance.ZERO.distance);
+        transmit.setBaseValue(enabled ? Distance.MAX.distance : Distance.ZERO.distance);
+    }
+
+    @Override
+    protected @NotNull List<Listener> listeners() {
+        return List.of(
+            new LocatorBarUpdateListener()
+        );
+    }
+}

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/gameplay/locatorBar/LocatorBarSettings.java

@@ -0,0 +1,38 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.gameplay.locatorBar;
+
+import eu.mhsl.craftattack.spawn.common.appliances.metaGameplay.settings.CategorizedSetting;
+import eu.mhsl.craftattack.spawn.common.appliances.metaGameplay.settings.SettingCategory;
+import eu.mhsl.craftattack.spawn.common.appliances.metaGameplay.settings.Settings;
+import eu.mhsl.craftattack.spawn.common.appliances.metaGameplay.settings.datatypes.BoolSetting;
+import org.bukkit.Material;
+
+public class LocatorBarSettings extends BoolSetting implements CategorizedSetting {
+    @Override
+    public SettingCategory category() {
+        return SettingCategory.Gameplay;
+    }
+
+    public LocatorBarSettings() {
+        super(Settings.Key.LocatorBarConfig);
+    }
+
+    @Override
+    protected String title() {
+        return "Ortungsleiste / Locator Bar";
+    }
+
+    @Override
+    protected String description() {
+        return "Konfiguriere, ob andere Spieler deine Position und du die Position anderer sehen möchtest";
+    }
+
+    @Override
+    protected Material icon() {
+        return Material.COMPASS;
+    }
+
+    @Override
+    protected Boolean defaultValue() {
+        return true;
+    }
+}

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/gameplay/locatorBar/LocatorBarUpdateListener.java

@@ -0,0 +1,12 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.gameplay.locatorBar;
+
+import eu.mhsl.craftattack.spawn.core.appliance.ApplianceListener;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.player.PlayerJoinEvent;
+
+class LocatorBarUpdateListener extends ApplianceListener<LocatorBar> {
+    @EventHandler
+    public void onJoin(PlayerJoinEvent event) {
+        this.getAppliance().updateLocatorBar(event.getPlayer());
+    }
+}