Add BannerControlSessionStartedEvent & TownPlunderedEvent

src/main/java/com/gmail/goosius/siegewar/events/BannerControlSessionStartedEvent.java

@@ -0,0 +1,38 @@
+package com.gmail.goosius.siegewar.events;
+
+import com.gmail.goosius.siegewar.objects.BannerControlSession;
+import com.gmail.goosius.siegewar.objects.Siege;
+import org.bukkit.Bukkit;
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+import org.jetbrains.annotations.NotNull;
+
+public class BannerControlSessionStartedEvent extends Event {
+    private static final HandlerList handlers = new HandlerList();
+    private final Siege siege;
+    private final BannerControlSession bannerControlSession;
+
+    public BannerControlSessionStartedEvent(Siege siege, BannerControlSession bannerControlSession) {
+        super(!Bukkit.getServer().isPrimaryThread());
+        this.siege = siege;
+        this.bannerControlSession = bannerControlSession;
+    }
+
+    @NotNull
+    @Override
+    public HandlerList getHandlers() {
+        return handlers;
+    }
+
+    public static HandlerList getHandlerList() {
+        return handlers;
+    }
+
+    public Siege getSiege() {
+        return siege;
+    }
+
+    public BannerControlSession getBannerControlSession() {
+        return bannerControlSession;
+    }
+}

src/main/java/com/gmail/goosius/siegewar/events/TownPlunderedEvent.java

@@ -0,0 +1,43 @@
+package com.gmail.goosius.siegewar.events;
+
+import com.gmail.goosius.siegewar.objects.Siege;
+import com.palmergames.bukkit.towny.object.Town;
+import org.bukkit.entity.Player;
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+public class TownPlunderedEvent extends Event {
+    private static final HandlerList handlers = new HandlerList();
+    private final Siege siege;
+    private final Player player;
+
+    public TownPlunderedEvent(Siege siege, Player player) {
+        this.siege = siege;
+        this.player = player;
+    }
+
+    @NotNull
+    @Override
+    public HandlerList getHandlers() {
+        return handlers;
+    }
+
+    public static HandlerList getHandlerList() {
+        return handlers;
+    }
+
+    public Siege getSiege() {
+        return siege;
+    }
+
+    @Nullable
+    public Town getTown() {
+        return siege.getTown();
+    }
+
+    public Player getPlayer() {
+        return player;
+    }
+}

src/main/java/com/gmail/goosius/siegewar/playeractions/PlaceBlock.java

@@ -4,6 +4,7 @@
 import com.gmail.goosius.siegewar.SiegeController;
 import com.gmail.goosius.siegewar.TownOccupationController;
 import com.gmail.goosius.siegewar.enums.SiegeStatus;
+import com.gmail.goosius.siegewar.events.TownPlunderedEvent;
 import com.gmail.goosius.siegewar.objects.Siege;
 import com.gmail.goosius.siegewar.settings.SiegeWarSettings;
 import com.gmail.goosius.siegewar.utils.SiegeWarBlockProtectionUtil;
@@ -24,6 +25,7 @@
 import com.palmergames.bukkit.towny.object.Translatable;
 import com.palmergames.bukkit.towny.object.Translator;
 
+import org.bukkit.Bukkit;
 import org.bukkit.Material;
 import org.bukkit.Tag;
 import org.bukkit.block.Banner;
@@ -355,8 +357,16 @@ private static void evaluatePlaceChest(Player player, Block block) throws TownyE
 		if(adjacentSieges.size() > 1)
 			throw new TownyException(translator.of("msg_err_siege_war_too_many_adjacent_towns"));
 
-		//Attempt plunder.
-		PlunderTown.processPlunderTownRequest(player, adjacentSieges.iterator().next());
+		Siege adjacentSiege = adjacentSieges.iterator().next();
+
+		//Attempt plunder. Call TownPlunderedEvent if the plunder doesn't throw an exception.
+		try {
+			PlunderTown.processPlunderTownRequest(player, adjacentSiege);
+		} catch (TownyException e) {
+			return;
+		}
+
+		Bukkit.getPluginManager().callEvent(new TownPlunderedEvent(adjacentSiege, player));
 	}
 
 	private static boolean isWhiteBanner(Block block) {

src/main/java/com/gmail/goosius/siegewar/utils/SiegeWarBannerControlUtil.java

@@ -6,6 +6,7 @@
 import com.gmail.goosius.siegewar.enums.SiegeSide;
 import com.gmail.goosius.siegewar.enums.SiegeStatus;
 import com.gmail.goosius.siegewar.events.BannerControlSessionEndedEvent;
+import com.gmail.goosius.siegewar.events.BannerControlSessionStartedEvent;
 import com.gmail.goosius.siegewar.objects.BannerControlSession;
 import com.gmail.goosius.siegewar.objects.BattleSession;
 import com.gmail.goosius.siegewar.objects.Siege;
@@ -135,6 +136,8 @@ private static void addNewBannerControlSession(Siege siege, final Player player,
 				SiegeWarNotificationUtil.informSiegeParticipants(siege, message);
 			}
 		}
+
+		Bukkit.getPluginManager().callEvent(new BannerControlSessionStartedEvent(siege, bannerControlSession));
 	}
 
 	private static boolean doesPlayerMeetBasicSessionRequirements(Siege siege, Player player, Resident resident) throws Exception {