Bugfix

src/main/java/net/citizensnpcs/Citizens.java

@@ -8,6 +8,8 @@ import java.util.Iterator;
 import net.citizensnpcs.Settings.Setting;
 import net.citizensnpcs.api.CitizensAPI;
 import net.citizensnpcs.api.CitizensPlugin;
+import net.citizensnpcs.api.event.CitizensDisableEvent;
+import net.citizensnpcs.api.event.CitizensEnableEvent;
 import net.citizensnpcs.api.event.CitizensReloadEvent;
 import net.citizensnpcs.api.exception.NPCLoadException;
 import net.citizensnpcs.api.npc.NPC;
@@ -225,6 +227,7 @@ public class Citizens extends JavaPlugin implements CitizensPlugin {
                 startMetrics();
                 enableSubPlugins();
                 scheduleSaveTask(Setting.SAVE_TASK_DELAY.asInt());
+                Bukkit.getPluginManager().callEvent(new CitizensEnableEvent());
             }
         }) == -1) {
             Messaging.severe("NPC load task couldn't be scheduled - disabling...");

src/main/java/net/citizensnpcs/CitizensDisableEvent.java

@@ -1,18 +0,0 @@
-package net.citizensnpcs;
-
-import net.citizensnpcs.api.event.CitizensEvent;
-
-import org.bukkit.event.HandlerList;
-
-public class CitizensDisableEvent extends CitizensEvent {
-    @Override
-    public HandlerList getHandlers() {
-        return handlers;
-    }
-
-    private static final HandlerList handlers = new HandlerList();
-
-    public static HandlerList getHandlerList() {
-        return handlers;
-    }
-}

src/main/java/net/citizensnpcs/command/CommandContext.java

@@ -89,7 +89,7 @@ public class CommandContext {
         }
         List<String> copied = Lists.newArrayList();
         for (String arg : args) {
-            if (arg == null || arg.isEmpty())
+            if (arg == null || arg.trim().isEmpty())
                 continue;
             copied.add(arg);
         }
@@ -178,7 +178,7 @@ public class CommandContext {
         StringBuilder buffer = new StringBuilder(args[initialIndex]);
         for (int i = initialIndex + 1; i < args.length; i++)
             buffer.append(delimiter).append(args[i]);
-        return buffer.toString();
+        return buffer.toString().trim();
     }
 
     public String[] getPaddedSlice(int index, int padding) {

src/main/java/net/citizensnpcs/command/command/AdminCommands.java

@@ -22,8 +22,10 @@ public class AdminCommands {
 
     @Command(aliases = { "citizens" }, desc = "Show basic plugin information", max = 0, permission = "admin")
     public void citizens(CommandContext args, CommandSender player, NPC npc) {
-        Messaging.send(player,
-                "          " + StringHelper.wrapHeader("<e>Citizens v" + plugin.getDescription().getVersion()));
+        Messaging.send(
+                player,
+                "          "
+                        + StringHelper.wrapHeader("<e>Citizens v" + plugin.getDescription().getVersion()));
         Messaging.send(player, "     <7>-- <c>Written by fullwall and aPunch");
         Messaging.send(player, "     <7>-- <c>Source: http://github.com/CitizensDev");
         Messaging.send(player, "     <7>-- <c>Website: " + plugin.getDescription().getWebsite());

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

@@ -202,11 +202,13 @@ public class NPCCommands {
             }
         }
         if (args.hasValueFlag("trait")) {
+            msg += " with traits ";
             Iterable<String> parts = Splitter.on(",").trimResults().split(args.getFlag("trait"));
             for (String tr : parts) {
                 Class<? extends Trait> clazz = CitizensAPI.getTraitFactory().getTraitClass(tr);
-                if (clazz != null)
+                if (clazz != null) {
                     npc.addTrait(clazz);
+                }
             }
             msg += " with the specified traits";
         }
@@ -374,6 +376,12 @@ public class NPCCommands {
         Messaging.send(sender, StringHelper.wrapHeader(npc.getName()));
         Messaging.send(sender, "    <a>ID: <e>" + npc.getId());
         Messaging.send(sender, "    <a>Type: <e>" + npc.getTrait(MobType.class).getType());
+        Messaging.send(sender, "    <a>Traits<e>");
+        for (Trait trait : npc.getTraits()) {
+            if (CitizensAPI.getTraitFactory().isInternalTrait(trait))
+                continue;
+            Messaging.send(sender, "     <e>- <a>" + trait.getName() + "<e>");
+        }
     }
 
     @Command(

src/main/java/net/citizensnpcs/npc/CitizensTraitFactory.java

@@ -104,7 +104,12 @@ public class CitizensTraitFactory implements TraitFactory {
 
     @Override
     public Class<? extends Trait> getTraitClass(String name) {
-        return registered.get(name);
+        return registered.get(name.toLowerCase());
+    }
+
+    @Override
+    public boolean isInternalTrait(Trait trait) {
+        return INTERNAL_TRAITS.contains(trait.getName());
     }
 
     @Override

src/main/java/net/citizensnpcs/npc/entity/EntityHumanNPC.java

@@ -41,6 +41,7 @@ public class EntityHumanNPC extends EntityPlayer implements NPCHolder {
 
         netServerHandler = new EmptyNetHandler(minecraftServer, netMgr, this);
         netMgr.a(netServerHandler);
+        W = STEP_HEIGHT; // fix moving up slabs and steps
 
         try {
             socket.close();
@@ -89,7 +90,8 @@ public class EntityHumanNPC extends EntityPlayer implements NPCHolder {
             navigation.e();
             moveOnCurrentHeading();
         } else if (motX != 0 || motZ != 0 || motY != 0) {
-            // a(0, 0);
+            // e(0, 0); is this necessary? it does gravity/controllable but
+            // sometimes players sink into the ground
         }
         if (noDamageTicks > 0)
             --noDamageTicks;
@@ -101,7 +103,7 @@ public class EntityHumanNPC extends EntityPlayer implements NPCHolder {
         getControllerLook().a();
         getControllerJump().b();
 
-        // taken from EntityLiving
+        // taken from EntityLiving update method
         if (bu) {
             boolean inLiquid = H() || J();
             if (inLiquid) {
@@ -114,10 +116,16 @@ public class EntityHumanNPC extends EntityPlayer implements NPCHolder {
         } else {
             bE = 0;
         }
-
+        br *= 0.98F;
         bs *= 0.98F;
+        bt *= 0.9F;
+
+        float prev = aG;
         aG *= bs();
-        e(br, bs);
-        as = yaw;
+        e(br, bs); // movement method
+        aG = prev;
+        as = yaw; // update head yaw to match entity yaw
     }
+
+    private static final float STEP_HEIGHT = 1F;
 }