Catch protocollib errors again, change /npc list to use uuid rather than id

main/src/main/java/net/citizensnpcs/ProtocolLibListener.java

@@ -169,7 +169,24 @@ public class ProtocolLibListener implements Listener {
                 ListenerOptions.ASYNC) {
             @Override
             public void onPacketSending(PacketEvent event) {
-                RotationTrait trait = rotationTraits.get(event.getPacket().getIntegers().readSafely(0));
+                Integer eid = null;
+                try {
+                    eid = event.getPacket().getIntegers().readSafely(0);
+                    if (eid == null)
+                        return;
+                } catch (FieldAccessException | IllegalArgumentException ex) {
+                    if (!LOGGED_ERROR) {
+                        Messaging.severe(
+                                "Error retrieving entity from ID: ProtocolLib error? Suppressing further exceptions unless debugging.");
+                        ex.printStackTrace();
+                        LOGGED_ERROR = true;
+                    } else if (Messaging.isDebugging()) {
+                        ex.printStackTrace();
+                    }
+                    return;
+                }
+
+                RotationTrait trait = rotationTraits.get(eid);
                 if (trait == null)
                     return;
 

main/src/main/java/net/citizensnpcs/Settings.java

@@ -109,7 +109,7 @@ public class Settings {
                 "The default MOVEMENT distance in blocks where the NPC will move to before considering a path finished<br>Note: this is different from the PATHFINDING distance which is specified by path-distance-margin",
                 "npc.pathfinding.default-distance-margin", 1),
         DEFAULT_LOOK_CLOSE("Enable look close by default", "npc.default.look-close.enabled", false),
-        DEFAULT_LOOK_CLOSE_RANGE("Default look close range in blocks", "npc.default.look-close.range", 5),
+        DEFAULT_LOOK_CLOSE_RANGE("Default look close range in blocks", "npc.default.look-close.range", 10),
         DEFAULT_NPC_HOLOGRAM_LINE_HEIGHT("Default distance between hologram lines", "npc.hologram.default-line-height",
                 0.4D),
         DEFAULT_NPC_LIMIT(

main/src/main/java/net/citizensnpcs/commands/NPCCommandSelector.java

@@ -12,6 +12,7 @@ import org.bukkit.conversations.NumericPrompt;
 import org.bukkit.conversations.Prompt;
 
 import com.google.common.collect.Lists;
+import com.google.common.primitives.Ints;
 
 import net.citizensnpcs.api.CitizensAPI;
 import net.citizensnpcs.api.command.CommandContext;
@@ -99,31 +100,31 @@ public class NPCCommandSelector extends NumericPrompt {
             return;
         } catch (IllegalArgumentException e) {
         }
-        try {
-            int id = Integer.parseInt(raw);
+
+        Integer id = Ints.tryParse(raw);
+        if (id != null) {
             callback.run(npcRegistry.getById(id));
             return;
-        } catch (NumberFormatException ex) {
-            String name = args.getString(1);
-            List<NPC> possible = Lists.newArrayList();
-            double range = -1;
-            if (args.hasValueFlag("range")) {
-                range = Math.abs(args.getFlagDouble("range"));
-            }
-            for (NPC test : npcRegistry) {
-                if (test.getName().equalsIgnoreCase(name)) {
-                    if (range > 0 && test.isSpawned() && !Util.locationWithinRange(args.getSenderLocation(),
-                            test.getEntity().getLocation(), range))
-                        continue;
-                    possible.add(test);
-                }
-            }
-            if (possible.size() == 1) {
-                callback.run(possible.get(0));
-            } else if (possible.size() > 1) {
-                NPCCommandSelector.start(callback, (Conversable) sender, possible);
-                return;
+        }
+        String name = args.getString(1);
+        List<NPC> possible = Lists.newArrayList();
+        double range = -1;
+        if (args.hasValueFlag("range")) {
+            range = Math.abs(args.getFlagDouble("range"));
+        }
+
+        for (NPC test : npcRegistry) {
+            if (test.getName().equalsIgnoreCase(name)) {
+                if (range > 0 && test.isSpawned()
+                        && !Util.locationWithinRange(args.getSenderLocation(), test.getEntity().getLocation(), range))
+                    continue;
+                possible.add(test);
             }
         }
+        if (possible.size() == 1) {
+            callback.run(possible.get(0));
+        } else if (possible.size() > 1) {
+            NPCCommandSelector.start(callback, (Conversable) sender, possible);
+        }
     }
 }

main/src/main/java/net/citizensnpcs/commands/NPCCommands.java

@@ -1476,10 +1476,10 @@ public class NPCCommands {
         Paginator paginator = new Paginator().header("NPCs").console(sender instanceof ConsoleCommandSender)
                 .enablePageSwitcher('/' + args.getRawCommand() + " --page $page");
         for (int i = 0; i < npcs.size(); i++) {
-            int id = npcs.get(i).getId();
-            String line = StringHelper.wrap(id) + " " + npcs.get(i).getName() + " (<click:run_command:/npc tp --id "
+            String id = npc.getUniqueId().toString();
+            String line = StringHelper.wrap(id) + " " + npcs.get(i).getName() + " (<click:run_command:/npc tp --uuid "
                     + id
-                    + "><hover:show_text:Teleport to this NPC>[[tp]]</hover></click>) (<click:run_command:/npc tph --id "
+                    + "><hover:show_text:Teleport to this NPC>[[tp]]</hover></click>) (<click:run_command:/npc tph --uuid "
                     + id
                     + "><hover:show_text:Teleport NPC to me>[[summon]]</hover></click>) (<click:run_command:/npc remove "
                     + id + "><hover:show_text:Remove this NPC><red>-</red></hover></click>)";