Add DisguiseInteractEvent which is fired on self-disguise interaction

src/main/java/me/libraryaddict/disguise/events/DisguiseInteractEvent.java

@@ -0,0 +1,65 @@
+package me.libraryaddict.disguise.events;
+
+import me.libraryaddict.disguise.disguisetypes.TargetedDisguise;
+import org.bukkit.entity.Player;
+import org.bukkit.event.HandlerList;
+import org.bukkit.event.player.PlayerEvent;
+import org.bukkit.inventory.EquipmentSlot;
+
+/**
+ * Created by libraryaddict on 13/11/2018.
+ * <p>
+ * Invoked when a player interacts with their own self disguise
+ */
+public class DisguiseInteractEvent extends PlayerEvent {
+    private static final HandlerList handlers = new HandlerList();
+
+    public static HandlerList getHandlerList() {
+        return handlers;
+    }
+
+    private TargetedDisguise disguise;
+    private EquipmentSlot hand;
+    private boolean leftClick;
+
+    public DisguiseInteractEvent(TargetedDisguise disguise, EquipmentSlot hand, boolean leftClick) {
+        super((Player) disguise.getEntity());
+
+        this.disguise = disguise;
+        this.hand = hand;
+        this.leftClick = leftClick;
+    }
+
+    /**
+     * @return Disguise interacted with
+     */
+    public TargetedDisguise getDisguise() {
+        return disguise;
+    }
+
+    /**
+     * @return Returns the hand used, HAND or OFF_HAND
+     */
+    public EquipmentSlot getHand() {
+        return hand;
+    }
+
+    /**
+     * @return If the player left clicked (Attacked)
+     */
+    public boolean isLeftClick() {
+        return leftClick;
+    }
+
+    /**
+     * @return If the player right clicked (Interacted)
+     */
+    public boolean isRightClick() {
+        return !isLeftClick();
+    }
+
+    @Override
+    public HandlerList getHandlers() {
+        return handlers;
+    }
+}

src/main/java/me/libraryaddict/disguise/utilities/packetlisteners/PacketListenerClientInteract.java

@@ -3,17 +3,23 @@ package me.libraryaddict.disguise.utilities.packetlisteners;
 import com.comphenix.protocol.PacketType;
 import com.comphenix.protocol.events.ListenerPriority;
 import com.comphenix.protocol.events.PacketAdapter;
+import com.comphenix.protocol.events.PacketContainer;
 import com.comphenix.protocol.events.PacketEvent;
 import com.comphenix.protocol.reflect.StructureModifier;
+import com.comphenix.protocol.wrappers.EnumWrappers;
 import me.libraryaddict.disguise.DisguiseAPI;
 import me.libraryaddict.disguise.DisguiseConfig;
 import me.libraryaddict.disguise.LibsDisguises;
 import me.libraryaddict.disguise.disguisetypes.AnimalColor;
 import me.libraryaddict.disguise.disguisetypes.Disguise;
 import me.libraryaddict.disguise.disguisetypes.DisguiseType;
+import me.libraryaddict.disguise.disguisetypes.TargetedDisguise;
 import me.libraryaddict.disguise.disguisetypes.watchers.SheepWatcher;
 import me.libraryaddict.disguise.disguisetypes.watchers.WolfWatcher;
+import me.libraryaddict.disguise.events.DisguiseInteractEvent;
+import org.bukkit.Bukkit;
 import org.bukkit.entity.*;
+import org.bukkit.inventory.EquipmentSlot;
 import org.bukkit.inventory.ItemStack;
 
 public class PacketListenerClientInteract extends PacketAdapter {
@@ -26,53 +32,75 @@ public class PacketListenerClientInteract extends PacketAdapter {
         if (event.isCancelled())
             return;
 
-        try {
-            Player observer = event.getPlayer();
+        Player observer = event.getPlayer();
 
-            if (observer.getName().contains("UNKNOWN[")) // If the player is temporary
-                return;
+        if (observer.getName().contains("UNKNOWN[")) // If the player is temporary
+            return;
 
-            StructureModifier<Entity> entityModifer = event.getPacket().getEntityModifier(observer.getWorld());
+        PacketContainer packet = event.getPacket();
 
-            Entity entity = entityModifer.read(0);
+        StructureModifier<Entity> entityModifer = packet.getEntityModifier(observer.getWorld());
 
-            if (entity instanceof ExperienceOrb || entity instanceof Item || entity instanceof Arrow ||
-                    entity == observer) {
-                event.setCancelled(true);
-            }
+        Entity entity = entityModifer.read(0);
 
-            for (ItemStack item : new ItemStack[]{observer.getInventory().getItemInMainHand(),
-                    observer.getInventory().getItemInOffHand()}) {
-                if (item == null) {
-                    continue;
+        if (entity instanceof ExperienceOrb || entity instanceof Item || entity instanceof Arrow ||
+                entity == observer) {
+            event.setCancelled(true);
+        } else if (packet.getIntegers().read(0) == DisguiseAPI.getSelfDisguiseId()) {
+            // If it's a self-interact
+            event.setCancelled(true);
+
+            Disguise disguise = DisguiseAPI.getDisguise(observer, observer);
+
+            if (disguise != null) {
+                // The type of interact, we don't care the difference with "Interact_At" however as it's not useful
+                // for self disguises
+                EnumWrappers.EntityUseAction interactType = packet.getEntityUseActions().read(0);
+                EquipmentSlot handUsed = EquipmentSlot.HAND;
+
+                // Attack has a null hand, which throws an error if you attempt to fetch
+                if (interactType != EnumWrappers.EntityUseAction.ATTACK) {
+                    // If the hand used wasn't their main hand
+                    if (packet.getHands().read(0) == EnumWrappers.Hand.OFF_HAND) {
+                        handUsed = EquipmentSlot.OFF_HAND;
+                    }
                 }
 
-                AnimalColor color = AnimalColor.getColorByMaterial(item.getType());
+                DisguiseInteractEvent selfEvent = new DisguiseInteractEvent((TargetedDisguise) disguise, handUsed,
+                        interactType == EnumWrappers.EntityUseAction.ATTACK);
 
-                if (color == null) {
-                    continue;
-                }
-
-                Disguise disguise = DisguiseAPI.getDisguise(observer, entity);
-
-                if (disguise == null ||
-                        (disguise.getType() != DisguiseType.SHEEP && disguise.getType() != DisguiseType.WOLF)) {
-                    continue;
-                }
-
-                if (disguise.getType() == DisguiseType.SHEEP) {
-                    SheepWatcher watcher = (SheepWatcher) disguise.getWatcher();
-
-                    watcher.setColor(DisguiseConfig.isSheepDyeable() ? color : watcher.getColor());
-                } else {
-                    WolfWatcher watcher = (WolfWatcher) disguise.getWatcher();
-
-                    watcher.setCollarColor(DisguiseConfig.isWolfDyeable() ? color : watcher.getCollarColor());
-                }
+                Bukkit.getPluginManager().callEvent(selfEvent);
             }
         }
-        catch (Exception e) {
-            e.printStackTrace();
+
+        for (ItemStack item : new ItemStack[]{observer.getInventory().getItemInMainHand(),
+                observer.getInventory().getItemInOffHand()}) {
+            if (item == null) {
+                continue;
+            }
+
+            AnimalColor color = AnimalColor.getColorByMaterial(item.getType());
+
+            if (color == null) {
+                continue;
+            }
+
+            Disguise disguise = DisguiseAPI.getDisguise(observer, entity);
+
+            if (disguise == null ||
+                    (disguise.getType() != DisguiseType.SHEEP && disguise.getType() != DisguiseType.WOLF)) {
+                continue;
+            }
+
+            if (disguise.getType() == DisguiseType.SHEEP) {
+                SheepWatcher watcher = (SheepWatcher) disguise.getWatcher();
+
+                watcher.setColor(DisguiseConfig.isSheepDyeable() ? color : watcher.getColor());
+            } else {
+                WolfWatcher watcher = (WolfWatcher) disguise.getWatcher();
+
+                watcher.setCollarColor(DisguiseConfig.isWolfDyeable() ? color : watcher.getCollarColor());
+            }
         }
     }
 }