Restriction: Adding "weaving-death-place" flag (#4519)

* Adding "weaving-death-place" flag

* Improving spelling of flag description

* Reworking event listener for Weaving effect

* Undoing import optimization

* Fixing weaving-death-place check for plots

Bukkit/src/main/java/com/plotsquared/bukkit/listener/EntityEventListener.java

@@ -37,6 +37,7 @@
 import com.plotsquared.core.plot.flag.implementations.ExplosionFlag;
 import com.plotsquared.core.plot.flag.implementations.InvincibleFlag;
 import com.plotsquared.core.plot.flag.implementations.ProjectileChangeBlockFlag;
+import com.plotsquared.core.plot.flag.implementations.WeavingDeathPlace;
 import com.plotsquared.core.plot.world.PlotAreaManager;
 import com.plotsquared.core.util.EventDispatcher;
 import com.plotsquared.core.util.PlotFlagUtil;
@@ -243,6 +244,29 @@ public void onEntityFall(EntityChangeBlockEvent event) {
         }
     }
 
+    @EventHandler(ignoreCancelled = true, priority = EventPriority.HIGHEST)
+    public void onWeavingEffect(EntityChangeBlockEvent event) {
+        if (event.getTo() != Material.COBWEB) {
+            return;
+        }
+        Location location = BukkitUtil.adapt(event.getBlock().getLocation());
+        PlotArea area = location.getPlotArea();
+        if (area == null) {
+            return;
+        }
+        Plot plot = location.getOwnedPlot();
+        if (plot == null) {
+            if (PlotFlagUtil.isAreaRoadFlagsAndFlagEquals(area, WeavingDeathPlace.class, false)) {
+                event.setCancelled(true);
+            }
+            return;
+        }
+        if (!plot.getFlag(WeavingDeathPlace.class)) {
+            plot.debug(event.getTo() + " could not spawn because weaving-death-place = false");
+            event.setCancelled(true);
+        }
+    }
+
     @EventHandler(priority = EventPriority.HIGH)
     public void onDamage(EntityDamageEvent event) {
         if (event.getEntityType() != EntityType.PLAYER) {

Core/src/main/java/com/plotsquared/core/plot/flag/GlobalFlagContainer.java

@@ -92,6 +92,7 @@
 import com.plotsquared.core.plot.flag.implementations.PriceFlag;
 import com.plotsquared.core.plot.flag.implementations.ProjectileChangeBlockFlag;
 import com.plotsquared.core.plot.flag.implementations.ProjectilesFlag;
+import com.plotsquared.core.plot.flag.implementations.WeavingDeathPlace;
 import com.plotsquared.core.plot.flag.implementations.PveFlag;
 import com.plotsquared.core.plot.flag.implementations.PvpFlag;
 import com.plotsquared.core.plot.flag.implementations.RedstoneFlag;
@@ -207,6 +208,7 @@ private GlobalFlagContainer() {
         this.addFlag(VillagerInteractFlag.VILLAGER_INTERACT_FALSE);
         this.addFlag(VineGrowFlag.VINE_GROW_TRUE);
         this.addFlag(ProjectilesFlag.PROJECTILES_FALSE);
+        this.addFlag(WeavingDeathPlace.WEAVING_DEATH_PLACE_FALSE);
 
         // Double flags
         this.addFlag(PriceFlag.PRICE_NOT_BUYABLE);

Core/src/main/java/com/plotsquared/core/plot/flag/implementations/WeavingDeathPlace.java

@@ -0,0 +1,39 @@
+/*
+ * PlotSquared, a land and world management plugin for Minecraft.
+ * Copyright (C) IntellectualSites <https://intellectualsites.com>
+ * Copyright (C) IntellectualSites team and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package com.plotsquared.core.plot.flag.implementations;
+
+import com.plotsquared.core.configuration.caption.TranslatableCaption;
+import com.plotsquared.core.plot.flag.types.BooleanFlag;
+import org.checkerframework.checker.nullness.qual.NonNull;
+
+public class WeavingDeathPlace extends BooleanFlag<WeavingDeathPlace> {
+
+    public static final WeavingDeathPlace WEAVING_DEATH_PLACE_TRUE = new WeavingDeathPlace(true);
+    public static final WeavingDeathPlace WEAVING_DEATH_PLACE_FALSE = new WeavingDeathPlace(false);
+
+    private WeavingDeathPlace(boolean value) {
+        super(value, TranslatableCaption.of("flags.flag_description_weaving_death_place"));
+    }
+
+    @Override
+    protected WeavingDeathPlace flagOf(@NonNull Boolean value) {
+        return value ? WEAVING_DEATH_PLACE_TRUE : WEAVING_DEATH_PLACE_FALSE;
+    }
+
+}

Core/src/main/resources/lang/messages_en.json

@@ -628,6 +628,7 @@
   "flags.flag_description_prevent_creative_copy": "<gray>Prevents people from copying item NBT data in the plot unless they're added as members.</gray>",
   "flags.flag_description_leaf_decay": "<gray>Set to `false` to prevent leaves from decaying.",
   "flags.flag_description_projectiles": "<gray>Prevents guests from shooting projectiles on the plot when set to false.</gray>",
+  "flags.flag_description_weaving_death_place": "<gray>Set to `false` to prevent spawning of cobwebs by the Weaving status effect on the death of an entity.</gray>",
   "flags.flag_description_beacon_effect": "<gray>Enables beacon effects on the plot.</gray>",
   "flags.flag_error_boolean": "Flag value must be a boolean (true | false).",
   "flags.flag_error_enum": "Must be one of: <list>",