Introduce tile-drop flag (#4371)

* added tile-drops flag

* added tile-drops flag

* added tile-drop flag

* updated description

* relocated listener

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

@@ -19,6 +19,7 @@
 package com.plotsquared.bukkit.listener;
 
 import com.destroystokyo.paper.event.block.BeaconEffectEvent;
+import com.destroystokyo.paper.event.block.BlockDestroyEvent;
 import com.destroystokyo.paper.event.entity.EntityPathfindEvent;
 import com.destroystokyo.paper.event.entity.PlayerNaturallySpawnCreaturesEvent;
 import com.destroystokyo.paper.event.entity.PreCreatureSpawnEvent;
@@ -42,6 +43,7 @@ import com.plotsquared.core.plot.flag.implementations.BeaconEffectsFlag;
 import com.plotsquared.core.plot.flag.implementations.DoneFlag;
 import com.plotsquared.core.plot.flag.implementations.FishingFlag;
 import com.plotsquared.core.plot.flag.implementations.ProjectilesFlag;
+import com.plotsquared.core.plot.flag.implementations.TileDropFlag;
 import com.plotsquared.core.plot.flag.types.BooleanFlag;
 import com.plotsquared.core.plot.world.PlotAreaManager;
 import com.plotsquared.core.util.PlotFlagUtil;
@@ -84,6 +86,19 @@ public class PaperListener implements Listener {
         this.plotAreaManager = plotAreaManager;
     }
 
+    @EventHandler(ignoreCancelled = true, priority = EventPriority.LOWEST)
+    public void onBlockDestroy(final BlockDestroyEvent event) {
+        Location location = BukkitUtil.adapt(event.getBlock().getLocation());
+        PlotArea area = location.getPlotArea();
+        if (area == null) {
+            return;
+        }
+        Plot plot = area.getPlot(location);
+        if (plot != null) {
+            event.setWillDrop(plot.getFlag(TileDropFlag.class));
+        }
+    }
+
     @EventHandler
     public void onEntityPathfind(EntityPathfindEvent event) {
         if (!Settings.Paper_Components.ENTITY_PATHING) {

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

@@ -61,6 +61,7 @@ import com.plotsquared.core.plot.flag.implementations.MiscInteractFlag;
 import com.plotsquared.core.plot.flag.implementations.PlayerInteractFlag;
 import com.plotsquared.core.plot.flag.implementations.PreventCreativeCopyFlag;
 import com.plotsquared.core.plot.flag.implementations.TamedInteractFlag;
+import com.plotsquared.core.plot.flag.implementations.TileDropFlag;
 import com.plotsquared.core.plot.flag.implementations.UntrustedVisitFlag;
 import com.plotsquared.core.plot.flag.implementations.VehicleBreakFlag;
 import com.plotsquared.core.plot.flag.implementations.VehicleUseFlag;
@@ -107,6 +108,7 @@ import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 import org.bukkit.event.block.Action;
+import org.bukkit.event.block.BlockBreakEvent;
 import org.bukkit.event.entity.EntityPickupItemEvent;
 import org.bukkit.event.entity.EntityPlaceEvent;
 import org.bukkit.event.entity.EntityPotionEffectEvent;
@@ -236,6 +238,19 @@ public class PlayerEventListener implements Listener {
         this.plotListener = plotListener;
     }
 
+    @EventHandler(ignoreCancelled = true, priority = EventPriority.LOWEST)
+    public void onBlockBreak(final BlockBreakEvent event) {
+        Location location = BukkitUtil.adapt(event.getBlock().getLocation());
+        PlotArea area = location.getPlotArea();
+        if (area == null) {
+            return;
+        }
+        Plot plot = area.getPlot(location);
+        if (plot != null) {
+            event.setDropItems(plot.getFlag(TileDropFlag.class));
+        }
+    }
+
     @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
     public void onPlayerDyeSign(PlayerInteractEvent event) {
         ItemStack itemStack = event.getItem();

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

@@ -102,6 +102,7 @@ import com.plotsquared.core.plot.flag.implementations.SnowMeltFlag;
 import com.plotsquared.core.plot.flag.implementations.SoilDryFlag;
 import com.plotsquared.core.plot.flag.implementations.TamedAttackFlag;
 import com.plotsquared.core.plot.flag.implementations.TamedInteractFlag;
+import com.plotsquared.core.plot.flag.implementations.TileDropFlag;
 import com.plotsquared.core.plot.flag.implementations.TimeFlag;
 import com.plotsquared.core.plot.flag.implementations.TitlesFlag;
 import com.plotsquared.core.plot.flag.implementations.UntrustedVisitFlag;
@@ -198,6 +199,7 @@ public final class GlobalFlagContainer extends FlagContainer {
         this.addFlag(SoilDryFlag.SOIL_DRY_FALSE);
         this.addFlag(TamedAttackFlag.TAMED_ATTACK_FALSE);
         this.addFlag(TamedInteractFlag.TAMED_INTERACT_FALSE);
+        this.addFlag(TileDropFlag.TILE_DROP_TRUE);
         this.addFlag(UntrustedVisitFlag.UNTRUSTED_VISIT_FLAG_TRUE);
         this.addFlag(VehicleBreakFlag.VEHICLE_BREAK_FALSE);
         this.addFlag(VehiclePlaceFlag.VEHICLE_PLACE_FALSE);

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

@@ -0,0 +1,43 @@
+/*
+ * 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;
+
+/**
+ * @since TODO
+ */
+
+public class TileDropFlag extends BooleanFlag<TileDropFlag> {
+
+    public static final TileDropFlag TILE_DROP_TRUE = new TileDropFlag(true);
+    public static final TileDropFlag TILE_DROP_FALSE = new TileDropFlag(false);
+
+    private TileDropFlag(boolean value) {
+        super(value, TranslatableCaption.of("flags.flag_description_tile_drop"));
+    }
+
+    @Override
+    protected TileDropFlag flagOf(@NonNull Boolean value) {
+        return value ? TILE_DROP_TRUE : TILE_DROP_FALSE;
+    }
+
+}

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

@@ -606,6 +606,7 @@
   "flags.flag_description_tamed_attack": "<gray>Set to `true` to allow guests to attack tamed animals in the plot.</gray>",
   "flags.flag_description_tamed_interact": "<gray>Set to `true` to allow guests to interact with tamed animals in the plot.</gray>",
   "flags.flag_description_time": "<gray>Set the time in the plot to a fixed value.</gray>",
+  "flags.flag_description_tile_drop": "<gray>Set to `false` to prevent blocks from dropping items in the plot.</gray>",
   "flags.flag_description_titles": "<gray>Set to `false` to disable plot titles. Can be set to: `none` (to inherit world settings), `true`, or `false`</gray>",
   "flags.flag_description_title": "<gray>Set the pop-up title's title and subtitle. Format: /plot flag set title \"A title\" \"The subtitle\"</gray>",
   "flags.flag_description_use": "<gray>Define a list of materials players should be able to interact with in the plot.</gray>",