#1036 Add restoration options for Limbo allowFlight / fly speed / walk speed

- Introduce options to define how allow flight, fly & walk speed should be restored from LimboPlayer
- Create consistency tests for line length in SectionComments methods and to ensure that all SettingsHolder classes are part of the returned ConfigurationData

src/main/java/fr/xephi/authme/settings/properties/AuthMeSettingsRetriever.java

@@ -20,9 +20,9 @@ public final class AuthMeSettingsRetriever {
      */
     public static ConfigurationData buildConfigurationData() {
         return ConfigurationDataBuilder.collectData(
-            DatabaseSettings.class,      ConverterSettings.class,  PluginSettings.class,
-            RestrictionSettings.class,   EmailSettings.class,      HooksSettings.class,
-            ProtectionSettings.class,    PurgeSettings.class,      SecuritySettings.class,
-            RegistrationSettings.class,  BackupSettings.class);
+            DatabaseSettings.class,  PluginSettings.class,    RestrictionSettings.class,
+            EmailSettings.class,     HooksSettings.class,     ProtectionSettings.class,
+            PurgeSettings.class,     SecuritySettings.class,  RegistrationSettings.class,
+            LimboSettings.class,     BackupSettings.class,    ConverterSettings.class);
     }
 }

src/main/java/fr/xephi/authme/settings/properties/LimboSettings.java

@@ -0,0 +1,57 @@
+package fr.xephi.authme.settings.properties;
+
+import ch.jalu.configme.Comment;
+import ch.jalu.configme.SectionComments;
+import ch.jalu.configme.SettingsHolder;
+import ch.jalu.configme.properties.Property;
+import com.google.common.collect.ImmutableMap;
+import fr.xephi.authme.data.limbo.AllowFlightRestoreType;
+import fr.xephi.authme.data.limbo.WalkFlySpeedRestoreType;
+
+import java.util.Map;
+
+import static ch.jalu.configme.properties.PropertyInitializer.newProperty;
+
+/**
+ * Settings for the LimboPlayer feature.
+ */
+public final class LimboSettings implements SettingsHolder {
+
+    @Comment({
+        "Whether the player is allowed to fly: RESTORE, ENABLE, DISABLE.",
+        "RESTORE sets back the old property from the player."
+    })
+    public static final Property<AllowFlightRestoreType> RESTORE_ALLOW_FLIGHT =
+        newProperty(AllowFlightRestoreType.class, "limbo.restoreAllowFlight", AllowFlightRestoreType.RESTORE);
+
+    @Comment({
+        "Restore fly speed: RESTORE, DEFAULT, MAX_RESTORE, RESTORE_NO_ZERO.",
+        "RESTORE: restore the speed the player had;",
+        "DEFAULT: always set to default speed;",
+        "MAX_RESTORE: take the maximum of the player's current speed and the previous one",
+        "RESTORE_NO_ZERO: Like 'restore' but sets speed to default if the player's speed was 0"
+    })
+    public static final Property<WalkFlySpeedRestoreType> RESTORE_FLY_SPEED =
+        newProperty(WalkFlySpeedRestoreType.class, "limbo.restoreFlySpeed", WalkFlySpeedRestoreType.MAX_RESTORE);
+
+    @Comment({
+        "Restore walk speed: RESTORE, DEFAULT, MAX_RESTORE, RESTORE_NO_ZERO.",
+        "See above for a description of the values."
+    })
+    public static final Property<WalkFlySpeedRestoreType> RESTORE_WALK_SPEED =
+        newProperty(WalkFlySpeedRestoreType.class, "limbo.restoreWalkSpeed", WalkFlySpeedRestoreType.MAX_RESTORE);
+
+    private LimboSettings() {
+    }
+
+    @SectionComments
+    public static Map<String, String[]> createSectionComments() {
+        String[] limboExplanation = {
+            "Before a user logs in, various properties are temporarily removed from the player,",
+            "such as OP status, ability to fly, and walk/fly speed.",
+            "Once the user is logged in, we add back the properties we previously saved.",
+            "In this section, you may define how the properties should be restored."
+        };
+        return ImmutableMap.of("limbo", limboExplanation);
+    }
+}