feat: add projectile-change-block flag (#4185)

 - closes #4081

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

@@ -35,6 +35,7 @@
 import com.plotsquared.core.plot.flag.implementations.EntityChangeBlockFlag;
 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.world.PlotAreaManager;
 import com.plotsquared.core.util.EventDispatcher;
 import com.plotsquared.core.util.PlotFlagUtil;
@@ -358,13 +359,13 @@ public void onPeskyMobsChangeTheWorldLikeWTFEvent(EntityChangeBlockEvent event)
             if (shooter instanceof Player) {
                 PlotPlayer<?> pp = BukkitUtil.adapt((Player) shooter);
                 if (plot == null) {
-                    if (!pp.hasPermission(Permission.PERMISSION_ADMIN_PROJECTILE_UNOWNED)) {
+                    if (area.isRoadFlags() && !area.getRoadFlag(ProjectileChangeBlockFlag.class) && !pp.hasPermission(Permission.PERMISSION_ADMIN_PROJECTILE_UNOWNED)) {
                         entity.remove();
                         event.setCancelled(true);
                     }
                     return;
                 }
-                if (plot.isAdded(pp.getUUID()) || pp.hasPermission(Permission.PERMISSION_ADMIN_PROJECTILE_OTHER)) {
+                if (plot.isAdded(pp.getUUID()) || plot.getFlag(ProjectileChangeBlockFlag.class) || pp.hasPermission(Permission.PERMISSION_ADMIN_PROJECTILE_OTHER)) {
                     return;
                 }
                 entity.remove();

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

@@ -89,6 +89,7 @@
 import com.plotsquared.core.plot.flag.implementations.PlotTitleFlag;
 import com.plotsquared.core.plot.flag.implementations.PreventCreativeCopyFlag;
 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.PveFlag;
 import com.plotsquared.core.plot.flag.implementations.PvpFlag;
@@ -185,6 +186,7 @@ private GlobalFlagContainer() {
         this.addFlag(NoWorldeditFlag.NO_WORLDEDIT_FALSE);
         this.addFlag(PlayerInteractFlag.PLAYER_INTERACT_FALSE);
         this.addFlag(PreventCreativeCopyFlag.PREVENT_CREATIVE_COPY_FALSE);
+        this.addFlag(ProjectileChangeBlockFlag.PROJECTILE_CHANGE_BLOCK_FALSE);
         this.addFlag(PveFlag.PVE_FALSE);
         this.addFlag(PvpFlag.PVP_FALSE);
         this.addFlag(RedstoneFlag.REDSTONE_TRUE);

Core/src/main/java/com/plotsquared/core/plot/flag/implementations/ProjectileChangeBlockFlag.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 ProjectileChangeBlockFlag extends BooleanFlag<ProjectileChangeBlockFlag> {
+
+    public static final ProjectileChangeBlockFlag PROJECTILE_CHANGE_BLOCK_TRUE = new ProjectileChangeBlockFlag(true);
+    public static final ProjectileChangeBlockFlag PROJECTILE_CHANGE_BLOCK_FALSE = new ProjectileChangeBlockFlag(false);
+
+    private ProjectileChangeBlockFlag(boolean value) {
+        super(value, TranslatableCaption.of("flags.flag_description_projectile_change_block"));
+    }
+
+    @Override
+    protected ProjectileChangeBlockFlag flagOf(@NonNull Boolean value) {
+        return value ? PROJECTILE_CHANGE_BLOCK_TRUE : PROJECTILE_CHANGE_BLOCK_FALSE;
+    }
+
+}

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

@@ -589,6 +589,7 @@
   "flags.flag_description_place": "<gray>Define a list of materials players should be able to place in the plot.</gray>",
   "flags.flag_description_player_interact": "<gray>Set to `true` to allow guests to interact with players in the plot.</gray>",
   "flags.flag_description_price": "<gray>Set a price for a plot. Must be a positive decimal number.</gray>",
+  "flags.flag_description_projectile_change_block": "<gray>Set to `true` to allow projectiles to change blocks (tnt, etc.) on the plot.</gray>",
   "flags.flag_description_pve": "<gray>Set to `true` to enable PVE inside the plot.</gray>",
   "flags.flag_description_pvp": "<gray>Set to `true` to enable PVP inside the plot.</gray>",
   "flags.flag_description_redstone": "<gray>Set to `false` to disable redstone in the plot.</gray>",