feat: Add DisableBlockUpdateFlag

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

@@ -28,6 +28,7 @@
 import com.plotsquared.core.player.PlotPlayer;
 import com.plotsquared.core.plot.Plot;
 import com.plotsquared.core.plot.PlotArea;
+import com.plotsquared.core.plot.flag.implementations.DisableBlockUpdateFlag;
 import com.plotsquared.core.plot.flag.implementations.DisablePhysicsFlag;
 import com.plotsquared.core.plot.flag.implementations.RedstoneFlag;
 import com.plotsquared.core.plot.world.PlotAreaManager;
@@ -47,6 +48,7 @@
 import org.bukkit.event.block.BlockRedstoneEvent;
 import org.checkerframework.checker.nullness.qual.NonNull;
 
+import java.util.Locale;
 import java.util.Set;
 import java.util.UUID;
 
@@ -152,6 +154,7 @@ public void onRedstoneEvent(BlockRedstoneEvent event) {
     @EventHandler(ignoreCancelled = true, priority = EventPriority.HIGHEST)
     public void onPhysicsEvent(BlockPhysicsEvent event) {
         Block block = event.getBlock();
+        Block sourceBlock = event.getSourceBlock();
         Location location = BukkitUtil.adapt(block.getLocation());
         PlotArea area = location.getPlotArea();
         if (area == null) {
@@ -167,6 +170,18 @@ public void onPhysicsEvent(BlockPhysicsEvent event) {
             plot.debug("Prevented block physics and resent block change because disable-physics = true");
             return;
         }
+        if (plot.getFlag(DisableBlockUpdateFlag.class)) {
+            if (!event.getChangedType().hasGravity()) {
+                if (sourceBlock.getType().isAir() || block.getType().isAir()) {
+                    return;
+                }
+                if (!sourceBlock.getType().name().toLowerCase(Locale.ROOT).contains("snow")
+                        || !block.getLocation().add(0, -1, 0).getBlock().getType().equals(Material.GRASS_BLOCK)) {
+                    event.setCancelled(true);
+                    plot.debug("Prevented block update because disable-block-update = true");
+                }
+            }
+        }
         if (event.getChangedType() == Material.COMPARATOR) {
             if (!plot.getFlag(RedstoneFlag.class)) {
                 event.setCancelled(true);

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

@@ -39,6 +39,7 @@
 import com.plotsquared.core.plot.flag.implementations.DenyTeleportFlag;
 import com.plotsquared.core.plot.flag.implementations.DescriptionFlag;
 import com.plotsquared.core.plot.flag.implementations.DeviceInteractFlag;
+import com.plotsquared.core.plot.flag.implementations.DisableBlockUpdateFlag;
 import com.plotsquared.core.plot.flag.implementations.DisablePhysicsFlag;
 import com.plotsquared.core.plot.flag.implementations.DoneFlag;
 import com.plotsquared.core.plot.flag.implementations.DropProtectionFlag;
@@ -158,6 +159,7 @@ private GlobalFlagContainer() {
         this.addFlag(DenyPortalTravelFlag.DENY_PORTAL_TRAVEL_FALSE);
         this.addFlag(DeviceInteractFlag.DEVICE_INTERACT_FALSE);
         this.addFlag(DisablePhysicsFlag.DISABLE_PHYSICS_FALSE);
+        this.addFlag(DisableBlockUpdateFlag.DISABLE_BLOCK_UPDATE_FLAG_FALSE);
         this.addFlag(DropProtectionFlag.DROP_PROTECTION_FALSE);
         this.addFlag(EditSignFlag.EDIT_SIGN_FALSE);
         this.addFlag(EntityChangeBlockFlag.ENTITY_CHANGE_BLOCK_FALSE);

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

@@ -0,0 +1,38 @@
+/*
+ * 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 DisableBlockUpdateFlag extends BooleanFlag<DisableBlockUpdateFlag> {
+
+    public static final DisableBlockUpdateFlag DISABLE_BLOCK_UPDATE_FLAG_TRUE = new DisableBlockUpdateFlag(true);
+    public static final DisableBlockUpdateFlag DISABLE_BLOCK_UPDATE_FLAG_FALSE = new DisableBlockUpdateFlag(false);
+
+    private DisableBlockUpdateFlag(boolean value) {
+        super(value, TranslatableCaption.of("flags.flag_description_disable_block_update"));
+    }
+
+    @Override
+    protected DisableBlockUpdateFlag flagOf(@NonNull Boolean value) {
+        return value ? DISABLE_BLOCK_UPDATE_FLAG_TRUE : DISABLE_BLOCK_UPDATE_FLAG_FALSE;
+    }
+}

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

@@ -556,6 +556,7 @@
   "flags.flag_description_concrete_harden": "<gray>Set to `false` to disable concrete powder forming to concrete with water.</gray>",
   "flags.flag_description_device_interact": "<gray>Set to `true` to allow devices to be interacted with in the plot.</gray>",
   "flags.flag_description_disable_physics": "<gray>Set to `true` to disable block physics in the plot.</gray>",
+  "flags.flag_description_disable_block_update": "<gray>Set to `true` to disable block update in the plot.</gray>",
   "flags.flag_description_drop_protection": "<gray>Set to `true` to prevent dropped items from being picked up by non-members of the plot.</gray>",
   "flags.flag_description_edit_sign": "<gray>Set to `true` to allow editing signs in the plot.</gray>",
   "flags.flag_description_feed": "<gray>Specify an interval in seconds and an optional amount by which the players will be fed (amount is 1 by default).</gray>",