Add subregion tag blacklisting

Author: md5sha256

realty-paper/src/main/java/io/github/md5sha256/realty/command/SubregionCommandGroup.java

@@ -33,6 +33,7 @@
 import org.jetbrains.annotations.NotNull;
 
 import java.time.Duration;
+import java.util.Collection;
 import java.util.List;
 import java.util.Objects;
 import java.util.UUID;
@@ -106,6 +107,42 @@ private void executeQuickCreate(@NotNull CommandContext<Source> ctx) {
             return;
         }
 
+        Collection<String> blacklist = settings.get().subregionTagBlacklist();
+        if (!blacklist.isEmpty()) {
+            String parentId = parentRegion.region().getId();
+            api.getTagIdsByRegion(parentId).thenAccept(tags -> {
+                for (String tag : tags) {
+                    if (blacklist.contains(tag)) {
+                        player.sendMessage(messages.messageFor(
+                                MessageKeys.SUBREGION_TAG_BLACKLISTED,
+                                Placeholder.unparsed("region", parentId),
+                                Placeholder.unparsed("tag", tag)));
+                        return;
+                    }
+                }
+                continueQuickCreate(player, parentRegion, name, price, duration,
+                        canBypass, regionManager);
+            }).exceptionally(ex -> {
+                Throwable cause = ex.getCause() != null ? ex.getCause() : ex;
+                cause.printStackTrace();
+                player.sendMessage(messages.messageFor(MessageKeys.SUBREGION_CREATE_ERROR,
+                        Placeholder.unparsed("error", cause.getMessage())));
+                return null;
+            });
+            return;
+        }
+
+        continueQuickCreate(player, parentRegion, name, price, duration,
+                canBypass, regionManager);
+    }
+
+    private void continueQuickCreate(@NotNull Player player,
+                                      @NotNull WorldGuardRegion parentRegion,
+                                      @NotNull String name,
+                                      double price,
+                                      @NotNull Duration duration,
+                                      boolean canBypass,
+                                      @NotNull RegionManager regionManager) {
         SelectionResult result = validateSelection(player, parentRegion, regionManager,
                 settings.get().subregionMinVolume());
         switch (result) {

realty-paper/src/main/java/io/github/md5sha256/realty/localisation/MessageKeys.java

@@ -376,6 +376,7 @@ private MessageKeys() {}
     public static final String SUBREGION_EXCEEDS_BOUNDS = "subregion.exceeds-bounds";
     public static final String SUBREGION_OVERLAPS_SIBLING = "subregion.overlaps-sibling";
     public static final String SUBREGION_TOO_SMALL = "subregion.too-small";
+    public static final String SUBREGION_TAG_BLACKLISTED = "subregion.tag-blacklisted";
 
     // teleport
     public static final String TP_SUCCESS = "tp.success";

realty-paper/src/main/java/io/github/md5sha256/realty/settings/Settings.java

@@ -8,6 +8,7 @@
 import org.spongepowered.configurate.objectmapping.meta.Setting;
 
 import java.text.SimpleDateFormat;
+import java.util.List;
 import java.util.Map;
 import java.util.UUID;
 
@@ -19,7 +20,8 @@ public record Settings(
         @Setting("date-format") @Required @NotNull SimpleDateFormat dateFormat,
         @Setting("profile-reapply-per-tick") int profileReapplyPerTick,
         @Setting("subregion-min-volume") int subregionMinVolume,
-        @Setting("offer-payment-duration-seconds") long offerPaymentDurationSeconds
+        @Setting("offer-payment-duration-seconds") long offerPaymentDurationSeconds,
+        @Setting("subregion-tag-blacklist") @NotNull List<String> subregionTagBlacklist
 ) {
 
     public Settings {
@@ -32,6 +34,9 @@ public record Settings(
         if (offerPaymentDurationSeconds <= 0) {
             offerPaymentDurationSeconds = 86400;
         }
+        if (subregionTagBlacklist == null) {
+            subregionTagBlacklist = List.of();
+        }
     }
 }
 

realty-paper/src/main/resources/messages.yml

@@ -466,6 +466,7 @@ subregion:
   exceeds-bounds: "Your selection exceeds the bounds of region <region>."
   overlaps-sibling: "Your selection overlaps with existing subregion <sibling>."
   too-small: "Your selection is too small (<volume> blocks). Minimum volume is <min-volume> blocks."
+  tag-blacklisted: "Region <region> has tag <tag> which prevents subregioning."
 
 sign:
   place-success: "Sign registered for region <region>."

realty-paper/src/main/resources/settings.yml

@@ -9,4 +9,7 @@ profile-reapply-per-tick: 10
 # Minimum volume (in blocks) for subregion selections.
 subregion-min-volume: 20
 # Duration (in seconds) for an accepted offer payment deadline. Default: 86400 (24 hours).
-offer-payment-duration-seconds: 86400
+offer-payment-duration-seconds: 86400
+# Tag IDs that prevent a parent region from being subregioned.
+# If a region has any of these tags, it cannot be used as a parent for subregion creation.
+subregion-tag-blacklist: []