Fix /npc name in 1.8.8

main/src/main/java/net/citizensnpcs/trait/CommandTrait.java

@@ -206,9 +206,10 @@ public class CommandTrait extends Trait {
 
         public boolean canUse(Player player, NPCCommand command) {
             for (String perm : command.perms) {
-                if (!player.hasPermission(perm))
+                if (!player.hasPermission(perm)) {
                     return false;
                 }
+            }
             long currentTimeSec = System.currentTimeMillis() / 1000;
             if (lastUsed.containsKey(command.command)) {
                 if (currentTimeSec < lastUsed.get(command.command) + command.cooldown) {

main/src/main/java/net/citizensnpcs/trait/ScoreboardTrait.java

@@ -13,6 +13,7 @@ import net.citizensnpcs.api.npc.NPC;
 import net.citizensnpcs.api.persistence.Persist;
 import net.citizensnpcs.api.trait.Trait;
 import net.citizensnpcs.api.trait.TraitName;
+import net.citizensnpcs.util.NMS;
 
 @TraitName("scoreboardtrait")
 public class ScoreboardTrait extends Trait {
@@ -57,6 +58,9 @@ public class ScoreboardTrait extends Trait {
                 SUPPORT_TEAM_SETOPTION = false;
             }
         }
+        if (!SUPPORT_TEAM_SETOPTION) {
+            NMS.setTeamNameTagVisible(team, nameVisibility);
+        }
 
         if (npc.data().has(NPC.GLOWING_COLOR_METADATA)) {
             color = ChatColor.valueOf(npc.data().get(NPC.GLOWING_COLOR_METADATA));

main/src/main/java/net/citizensnpcs/util/NMS.java

@@ -19,6 +19,7 @@ import org.bukkit.entity.Tameable;
 import org.bukkit.entity.Wither;
 import org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason;
 import org.bukkit.inventory.meta.SkullMeta;
+import org.bukkit.scoreboard.Team;
 import org.bukkit.util.Vector;
 
 import com.mojang.authlib.GameProfile;
@@ -417,6 +418,10 @@ public class NMS {
         BRIDGE.setStepHeight(entity, height);
     }
 
+    public static void setTeamNameTagVisible(Team team, boolean visible) {
+        BRIDGE.setTeamNameTagVisible(team, visible);
+    }
+
     public static void setVerticalMovement(org.bukkit.entity.Entity bukkitEntity, double d) {
         BRIDGE.setVerticalMovement(bukkitEntity, d);
     }

main/src/main/java/net/citizensnpcs/util/NMSBridge.java

@@ -15,6 +15,7 @@ import org.bukkit.entity.Tameable;
 import org.bukkit.entity.Wither;
 import org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason;
 import org.bukkit.inventory.meta.SkullMeta;
+import org.bukkit.scoreboard.Team;
 import org.bukkit.util.Vector;
 
 import com.mojang.authlib.GameProfile;
@@ -142,6 +143,8 @@ public interface NMSBridge {
 
     public void setStepHeight(Entity entity, float height);
 
+    public void setTeamNameTagVisible(Team team, boolean visible);
+
     public void setVerticalMovement(Entity bukkitEntity, double d);
 
     public void setWitherCharged(Wither wither, boolean charged);

v1_10_R1/src/main/java/net/citizensnpcs/nms/v1_10_R1/util/NMSImpl.java

@@ -1,5 +1,6 @@
 package net.citizensnpcs.nms.v1_10_R1.util;
 
+import java.lang.invoke.MethodHandle;
 import java.lang.reflect.Field;
 import java.lang.reflect.Method;
 import java.net.SocketAddress;
@@ -40,6 +41,7 @@ import org.bukkit.entity.Wither;
 import org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason;
 import org.bukkit.inventory.meta.SkullMeta;
 import org.bukkit.plugin.PluginLoadOrder;
+import org.bukkit.scoreboard.Team;
 import org.bukkit.util.Vector;
 
 import com.google.common.base.Function;
@@ -193,6 +195,8 @@ import net.minecraft.server.v1_10_R1.PathEntity;
 import net.minecraft.server.v1_10_R1.PathPoint;
 import net.minecraft.server.v1_10_R1.PathfinderGoalSelector;
 import net.minecraft.server.v1_10_R1.ReportedException;
+import net.minecraft.server.v1_10_R1.ScoreboardTeam;
+import net.minecraft.server.v1_10_R1.ScoreboardTeamBase.EnumNameTagVisibility;
 import net.minecraft.server.v1_10_R1.SoundEffect;
 import net.minecraft.server.v1_10_R1.Vec3D;
 import net.minecraft.server.v1_10_R1.WorldServer;
@@ -940,6 +944,20 @@ public class NMSImpl implements NMSBridge {
         NMSImpl.getHandle(entity).P = height;
     }
 
+    @Override
+    public void setTeamNameTagVisible(Team team, boolean visible) {
+        if (TEAM_FIELD == null) {
+            TEAM_FIELD = NMS.getGetter(team.getClass(), "team");
+        }
+        ScoreboardTeam nmsTeam;
+        try {
+            nmsTeam = (ScoreboardTeam) TEAM_FIELD.invoke(team);
+            nmsTeam.setNameTagVisibility(visible ? EnumNameTagVisibility.ALWAYS : EnumNameTagVisibility.NEVER);
+        } catch (Throwable e) {
+            e.printStackTrace();
+        }
+    }
+
     @Override
     public void setVerticalMovement(org.bukkit.entity.Entity bukkitEntity, double d) {
         if (!bukkitEntity.getType().isAlive())
@@ -1456,6 +1474,7 @@ public class NMSImpl implements NMSBridge {
     private static final Set<EntityType> BAD_CONTROLLER_LOOK = EnumSet.of(EntityType.POLAR_BEAR, EntityType.SILVERFISH,
             EntityType.ENDERMITE, EntityType.ENDER_DRAGON, EntityType.BAT, EntityType.SLIME, EntityType.MAGMA_CUBE,
             EntityType.HORSE, EntityType.GHAST);
+
     private static final Field CRAFT_BOSSBAR_HANDLE_FIELD = NMS.getField(CraftBossBar.class, "handle");
     private static final float DEFAULT_SPEED = 1F;
     private static final Field ENDERDRAGON_BATTLE_BAR_FIELD = NMS.getField(EnderDragonBattle.class, "c");
@@ -1473,6 +1492,7 @@ public class NMSImpl implements NMSBridge {
     private static final Field RABBIT_FIELD = NMS.getField(EntityRabbit.class, "bx");
     private static final Random RANDOM = Util.getFastRandom();
     private static Field SKULL_PROFILE_FIELD;
+    private static MethodHandle TEAM_FIELD;
     private static Field TRACKED_ENTITY_SET = NMS.getField(EntityTracker.class, "c");
 
     private static final Field WITHER_BOSS_BAR_FIELD = NMS.getField(EntityWither.class, "bG");

v1_11_R1/src/main/java/net/citizensnpcs/nms/v1_11_R1/util/NMSImpl.java

@@ -40,6 +40,7 @@ import org.bukkit.entity.Wither;
 import org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason;
 import org.bukkit.inventory.meta.SkullMeta;
 import org.bukkit.plugin.PluginLoadOrder;
+import org.bukkit.scoreboard.Team;
 import org.bukkit.util.Vector;
 
 import com.google.common.base.Function;
@@ -213,6 +214,8 @@ import net.minecraft.server.v1_11_R1.PathPoint;
 import net.minecraft.server.v1_11_R1.PathfinderGoalSelector;
 import net.minecraft.server.v1_11_R1.RegistryMaterials;
 import net.minecraft.server.v1_11_R1.ReportedException;
+import net.minecraft.server.v1_11_R1.ScoreboardTeam;
+import net.minecraft.server.v1_11_R1.ScoreboardTeamBase.EnumNameTagVisibility;
 import net.minecraft.server.v1_11_R1.SoundEffect;
 import net.minecraft.server.v1_11_R1.Vec3D;
 import net.minecraft.server.v1_11_R1.WorldServer;
@@ -998,6 +1001,20 @@ public class NMSImpl implements NMSBridge {
         NMSImpl.getHandle(entity).P = height;
     }
 
+    @Override
+    public void setTeamNameTagVisible(Team team, boolean visible) {
+        if (TEAM_FIELD == null) {
+            TEAM_FIELD = NMS.getGetter(team.getClass(), "team");
+        }
+        ScoreboardTeam nmsTeam;
+        try {
+            nmsTeam = (ScoreboardTeam) TEAM_FIELD.invoke(team);
+            nmsTeam.setNameTagVisibility(visible ? EnumNameTagVisibility.ALWAYS : EnumNameTagVisibility.NEVER);
+        } catch (Throwable e) {
+            e.printStackTrace();
+        }
+    }
+
     @Override
     public void setVerticalMovement(org.bukkit.entity.Entity bukkitEntity, double d) {
         if (!bukkitEntity.getType().isAlive())
@@ -1520,6 +1537,7 @@ public class NMSImpl implements NMSBridge {
     private static final Set<EntityType> BAD_CONTROLLER_LOOK = EnumSet.of(EntityType.POLAR_BEAR, EntityType.SILVERFISH,
             EntityType.ENDERMITE, EntityType.ENDER_DRAGON, EntityType.BAT, EntityType.SLIME, EntityType.MAGMA_CUBE,
             EntityType.HORSE, EntityType.GHAST);
+
     private static final Field CRAFT_BOSSBAR_HANDLE_FIELD = NMS.getField(CraftBossBar.class, "handle");
     private static final float DEFAULT_SPEED = 1F;
     private static final Field ENDERDRAGON_BATTLE_BAR_FIELD = NMS.getField(EnderDragonBattle.class, "c");
@@ -1535,9 +1553,10 @@ public class NMSImpl implements NMSBridge {
     private static Field PATHFINDING_RANGE = NMS.getField(NavigationAbstract.class, "f");
     private static final Field RABBIT_FIELD = NMS.getField(EntityRabbit.class, "bw");
     private static final Random RANDOM = Util.getFastRandom();
-
     private static Field SKULL_PROFILE_FIELD;
 
+    private static MethodHandle TEAM_FIELD;
+
     private static Field TRACKED_ENTITY_SET = NMS.getField(EntityTracker.class, "c");
 
     private static final Field WITHER_BOSS_BAR_FIELD = NMS.getField(EntityWither.class, "bF");

v1_12_R1/src/main/java/net/citizensnpcs/nms/v1_12_R1/util/NMSImpl.java

@@ -40,6 +40,7 @@ import org.bukkit.entity.Wither;
 import org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason;
 import org.bukkit.inventory.meta.SkullMeta;
 import org.bukkit.plugin.PluginLoadOrder;
+import org.bukkit.scoreboard.Team;
 import org.bukkit.util.Vector;
 
 import com.google.common.base.Function;
@@ -217,6 +218,8 @@ import net.minecraft.server.v1_12_R1.PathPoint;
 import net.minecraft.server.v1_12_R1.PathfinderGoalSelector;
 import net.minecraft.server.v1_12_R1.RegistryMaterials;
 import net.minecraft.server.v1_12_R1.ReportedException;
+import net.minecraft.server.v1_12_R1.ScoreboardTeam;
+import net.minecraft.server.v1_12_R1.ScoreboardTeamBase.EnumNameTagVisibility;
 import net.minecraft.server.v1_12_R1.SoundEffect;
 import net.minecraft.server.v1_12_R1.SoundEffects;
 import net.minecraft.server.v1_12_R1.Vec3D;
@@ -1011,6 +1014,20 @@ public class NMSImpl implements NMSBridge {
         NMSImpl.getHandle(entity).P = height;
     }
 
+    @Override
+    public void setTeamNameTagVisible(Team team, boolean visible) {
+        if (TEAM_FIELD == null) {
+            TEAM_FIELD = NMS.getGetter(team.getClass(), "team");
+        }
+        ScoreboardTeam nmsTeam;
+        try {
+            nmsTeam = (ScoreboardTeam) TEAM_FIELD.invoke(team);
+            nmsTeam.setNameTagVisibility(visible ? EnumNameTagVisibility.ALWAYS : EnumNameTagVisibility.NEVER);
+        } catch (Throwable e) {
+            e.printStackTrace();
+        }
+    }
+
     @Override
     public void setVerticalMovement(org.bukkit.entity.Entity bukkitEntity, double d) {
         if (!bukkitEntity.getType().isAlive())
@@ -1507,11 +1524,11 @@ public class NMSImpl implements NMSBridge {
             if ((entity.width > f2) && (!justCreated) && (!entity.world.isClientSide))
                 entity.move(EnumMoveType.SELF, (f2 - entity.width) / 2, 0.0D, (f2 - entity.width) / 2);
         }
-    };
+    }
 
     public static void stopNavigation(NavigationAbstract navigation) {
         navigation.p();
-    }
+    };
 
     public static void updateAI(EntityLiving entity) {
         if (entity instanceof EntityInsentient) {
@@ -1531,6 +1548,7 @@ public class NMSImpl implements NMSBridge {
     }
 
     private static MethodHandle ADVANCEMENT_PLAYER_FIELD = NMS.getFinalSetter(EntityPlayer.class, "bY");
+
     private static final Set<EntityType> BAD_CONTROLLER_LOOK = EnumSet.of(EntityType.POLAR_BEAR, EntityType.SILVERFISH,
             EntityType.SHULKER, EntityType.ENDERMITE, EntityType.ENDER_DRAGON, EntityType.BAT, EntityType.SLIME,
             EntityType.MAGMA_CUBE, EntityType.HORSE, EntityType.GHAST);
@@ -1549,9 +1567,10 @@ public class NMSImpl implements NMSBridge {
     private static Field PATHFINDING_RANGE = NMS.getField(NavigationAbstract.class, "i");
     private static final Field RABBIT_FIELD = NMS.getField(EntityRabbit.class, "bx");
     private static final Random RANDOM = Util.getFastRandom();
-
     private static Field SKULL_PROFILE_FIELD;
 
+    private static MethodHandle TEAM_FIELD;
+
     private static Field TRACKED_ENTITY_SET = NMS.getField(EntityTracker.class, "c");
 
     private static final Field WITHER_BOSS_BAR_FIELD = NMS.getField(EntityWither.class, "bG");

v1_13_R2/src/main/java/net/citizensnpcs/nms/v1_13_R2/util/NMSImpl.java

@@ -41,6 +41,7 @@ import org.bukkit.entity.Wither;
 import org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason;
 import org.bukkit.inventory.meta.SkullMeta;
 import org.bukkit.plugin.PluginLoadOrder;
+import org.bukkit.scoreboard.Team;
 import org.bukkit.util.Vector;
 
 import com.google.common.base.Function;
@@ -232,6 +233,8 @@ import net.minecraft.server.v1_13_R2.PathPoint;
 import net.minecraft.server.v1_13_R2.PathfinderGoalSelector;
 import net.minecraft.server.v1_13_R2.RegistryMaterials;
 import net.minecraft.server.v1_13_R2.ReportedException;
+import net.minecraft.server.v1_13_R2.ScoreboardTeam;
+import net.minecraft.server.v1_13_R2.ScoreboardTeamBase.EnumNameTagVisibility;
 import net.minecraft.server.v1_13_R2.SoundEffect;
 import net.minecraft.server.v1_13_R2.SoundEffects;
 import net.minecraft.server.v1_13_R2.Vec3D;
@@ -1046,6 +1049,20 @@ public class NMSImpl implements NMSBridge {
         NMSImpl.getHandle(entity).Q = height;
     }
 
+    @Override
+    public void setTeamNameTagVisible(Team team, boolean visible) {
+        if (TEAM_FIELD == null) {
+            TEAM_FIELD = NMS.getGetter(team.getClass(), "team");
+        }
+        ScoreboardTeam nmsTeam;
+        try {
+            nmsTeam = (ScoreboardTeam) TEAM_FIELD.invoke(team);
+            nmsTeam.setNameTagVisibility(visible ? EnumNameTagVisibility.ALWAYS : EnumNameTagVisibility.NEVER);
+        } catch (Throwable e) {
+            e.printStackTrace();
+        }
+    }
+
     @Override
     public void setVerticalMovement(org.bukkit.entity.Entity bukkitEntity, double d) {
         if (!bukkitEntity.getType().isAlive())
@@ -1639,6 +1656,7 @@ public class NMSImpl implements NMSBridge {
     }
 
     private static MethodHandle ADVANCEMENT_PLAYER_FIELD = NMS.getFinalSetter(EntityPlayer.class, "cf");
+
     private static final Set<EntityType> BAD_CONTROLLER_LOOK = EnumSet.of(EntityType.POLAR_BEAR, EntityType.SILVERFISH,
             EntityType.SHULKER, EntityType.ENDERMITE, EntityType.ENDER_DRAGON, EntityType.BAT, EntityType.SLIME,
             EntityType.DOLPHIN, EntityType.MAGMA_CUBE, EntityType.HORSE, EntityType.GHAST, EntityType.SHULKER,
@@ -1663,6 +1681,7 @@ public class NMSImpl implements NMSBridge {
     private static final Field RABBIT_FIELD = NMS.getField(EntityRabbit.class, "bC");
     private static final Random RANDOM = Util.getFastRandom();
     private static Field SKULL_PROFILE_FIELD;
+    private static MethodHandle TEAM_FIELD;
     private static Field TRACKED_ENTITY_SET = NMS.getField(EntityTracker.class, "c");
     private static final Field WITHER_BOSS_BAR_FIELD = NMS.getField(EntityWither.class, "bL", false);
 

v1_14_R1/src/main/java/net/citizensnpcs/nms/v1_14_R1/util/NMSImpl.java

@@ -43,6 +43,7 @@ import org.bukkit.entity.Wither;
 import org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason;
 import org.bukkit.inventory.meta.SkullMeta;
 import org.bukkit.plugin.PluginLoadOrder;
+import org.bukkit.scoreboard.Team;
 import org.bukkit.util.Vector;
 
 import com.google.common.base.Function;
@@ -254,6 +255,8 @@ import net.minecraft.server.v1_14_R1.PlayerChunkMap;
 import net.minecraft.server.v1_14_R1.PlayerChunkMap.EntityTracker;
 import net.minecraft.server.v1_14_R1.RegistryBlocks;
 import net.minecraft.server.v1_14_R1.ReportedException;
+import net.minecraft.server.v1_14_R1.ScoreboardTeam;
+import net.minecraft.server.v1_14_R1.ScoreboardTeamBase.EnumNameTagVisibility;
 import net.minecraft.server.v1_14_R1.SoundEffect;
 import net.minecraft.server.v1_14_R1.Vec3D;
 import net.minecraft.server.v1_14_R1.WorldServer;
@@ -1093,6 +1096,20 @@ public class NMSImpl implements NMSBridge {
         NMSImpl.getHandle(entity).K = height;
     }
 
+    @Override
+    public void setTeamNameTagVisible(Team team, boolean visible) {
+        if (TEAM_FIELD == null) {
+            TEAM_FIELD = NMS.getGetter(team.getClass(), "team");
+        }
+        ScoreboardTeam nmsTeam;
+        try {
+            nmsTeam = (ScoreboardTeam) TEAM_FIELD.invoke(team);
+            nmsTeam.setNameTagVisibility(visible ? EnumNameTagVisibility.ALWAYS : EnumNameTagVisibility.NEVER);
+        } catch (Throwable e) {
+            e.printStackTrace();
+        }
+    }
+
     @Override
     public void setVerticalMovement(org.bukkit.entity.Entity bukkitEntity, double d) {
         if (!bukkitEntity.getType().isAlive())
@@ -1722,6 +1739,7 @@ public class NMSImpl implements NMSBridge {
 
     private static final MethodHandle ADVANCEMENT_PLAYER_FIELD = NMS.getFinalSetter(EntityPlayer.class,
             "advancementDataPlayer");
+
     private static final Set<EntityType> BAD_CONTROLLER_LOOK = EnumSet.of(EntityType.POLAR_BEAR, EntityType.SILVERFISH,
             EntityType.SHULKER, EntityType.ENDERMITE, EntityType.ENDER_DRAGON, EntityType.BAT, EntityType.SLIME,
             EntityType.DOLPHIN, EntityType.MAGMA_CUBE, EntityType.HORSE, EntityType.GHAST, EntityType.SHULKER,
@@ -1764,6 +1782,7 @@ public class NMSImpl implements NMSBridge {
     private static final MethodHandle SIZE_FIELD_GETTER = NMS.getGetter(Entity.class, "size");
     private static final MethodHandle SIZE_FIELD_SETTER = NMS.getSetter(Entity.class, "size");
     private static Field SKULL_PROFILE_FIELD;
+    private static MethodHandle TEAM_FIELD;
 
     static {
         try {

v1_15_R1/src/main/java/net/citizensnpcs/nms/v1_15_R1/trait/Commands.java

@@ -76,7 +76,7 @@ public class Commands {
         }
         if (args.hasFlag('n')) {
             trait.setNectar(!trait.hasNectar());
-            output += ' ' + (trait.hasNectar() ? Messaging.tr(Messages.BEE_HAS_NECTAR, npc.getName())
+            output += ' ' + (trait.hasStung() ? Messaging.tr(Messages.BEE_HAS_NECTAR, npc.getName())
                     : Messaging.tr(Messages.BEE_NO_NECTAR, npc.getName()));
         }
         if (!output.isEmpty()) {

v1_15_R1/src/main/java/net/citizensnpcs/nms/v1_15_R1/util/NMSImpl.java

@@ -43,6 +43,7 @@ import org.bukkit.entity.Wither;
 import org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason;
 import org.bukkit.inventory.meta.SkullMeta;
 import org.bukkit.plugin.PluginLoadOrder;
+import org.bukkit.scoreboard.Team;
 import org.bukkit.util.Vector;
 
 import com.google.common.base.Function;
@@ -255,6 +256,8 @@ import net.minecraft.server.v1_15_R1.PlayerChunkMap;
 import net.minecraft.server.v1_15_R1.PlayerChunkMap.EntityTracker;
 import net.minecraft.server.v1_15_R1.RegistryBlocks;
 import net.minecraft.server.v1_15_R1.ReportedException;
+import net.minecraft.server.v1_15_R1.ScoreboardTeam;
+import net.minecraft.server.v1_15_R1.ScoreboardTeamBase.EnumNameTagVisibility;
 import net.minecraft.server.v1_15_R1.SoundEffect;
 import net.minecraft.server.v1_15_R1.Vec3D;
 import net.minecraft.server.v1_15_R1.WorldServer;
@@ -1097,6 +1100,20 @@ public class NMSImpl implements NMSBridge {
         NMSImpl.getHandle(entity).H = height;
     }
 
+    @Override
+    public void setTeamNameTagVisible(Team team, boolean visible) {
+        if (TEAM_FIELD == null) {
+            TEAM_FIELD = NMS.getGetter(team.getClass(), "team");
+        }
+        ScoreboardTeam nmsTeam;
+        try {
+            nmsTeam = (ScoreboardTeam) TEAM_FIELD.invoke(team);
+            nmsTeam.setNameTagVisibility(visible ? EnumNameTagVisibility.ALWAYS : EnumNameTagVisibility.NEVER);
+        } catch (Throwable e) {
+            e.printStackTrace();
+        }
+    }
+
     @Override
     public void setVerticalMovement(org.bukkit.entity.Entity bukkitEntity, double d) {
         if (!bukkitEntity.getType().isAlive())
@@ -1712,6 +1729,7 @@ public class NMSImpl implements NMSBridge {
 
     private static final MethodHandle ADVANCEMENT_PLAYER_FIELD = NMS.getFinalSetter(EntityPlayer.class,
             "advancementDataPlayer");
+
     private static final Set<EntityType> BAD_CONTROLLER_LOOK = EnumSet.of(EntityType.POLAR_BEAR, EntityType.BEE,
             EntityType.SILVERFISH, EntityType.SHULKER, EntityType.ENDERMITE, EntityType.ENDER_DRAGON, EntityType.BAT,
             EntityType.SLIME, EntityType.DOLPHIN, EntityType.MAGMA_CUBE, EntityType.HORSE, EntityType.GHAST,
@@ -1752,6 +1770,7 @@ public class NMSImpl implements NMSBridge {
     private static final MethodHandle SIZE_FIELD_GETTER = NMS.getGetter(Entity.class, "size");
     private static final MethodHandle SIZE_FIELD_SETTER = NMS.getSetter(Entity.class, "size");
     private static Field SKULL_PROFILE_FIELD;
+    private static MethodHandle TEAM_FIELD;
 
     static {
         try {

v1_8_R3/src/main/java/net/citizensnpcs/nms/v1_8_R3/util/NMSImpl.java

@@ -36,6 +36,7 @@ import org.bukkit.entity.Wither;
 import org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason;
 import org.bukkit.inventory.meta.SkullMeta;
 import org.bukkit.plugin.PluginLoadOrder;
+import org.bukkit.scoreboard.Team;
 import org.bukkit.util.Vector;
 
 import com.google.common.base.Function;
@@ -167,6 +168,8 @@ import net.minecraft.server.v1_8_R3.PathEntity;
 import net.minecraft.server.v1_8_R3.PathPoint;
 import net.minecraft.server.v1_8_R3.PathfinderGoalSelector;
 import net.minecraft.server.v1_8_R3.ReportedException;
+import net.minecraft.server.v1_8_R3.ScoreboardTeam;
+import net.minecraft.server.v1_8_R3.ScoreboardTeamBase.EnumNameTagVisibility;
 import net.minecraft.server.v1_8_R3.WorldServer;
 
 @SuppressWarnings("unchecked")
@@ -883,6 +886,20 @@ public class NMSImpl implements NMSBridge {
         NMSImpl.getHandle(entity).S = height;
     }
 
+    @Override
+    public void setTeamNameTagVisible(Team team, boolean visible) {
+        if (TEAM_FIELD == null) {
+            TEAM_FIELD = NMS.getField(team.getClass(), "team");
+        }
+        ScoreboardTeam nmsTeam;
+        try {
+            nmsTeam = (ScoreboardTeam) TEAM_FIELD.get(team);
+            nmsTeam.setNameTagVisibility(visible ? EnumNameTagVisibility.ALWAYS : EnumNameTagVisibility.NEVER);
+        } catch (Throwable e) {
+            e.printStackTrace();
+        }
+    }
+
     @Override
     public void setVerticalMovement(org.bukkit.entity.Entity bukkitEntity, double d) {
         if (!bukkitEntity.getType().isAlive())
@@ -1340,6 +1357,7 @@ public class NMSImpl implements NMSBridge {
     private static Field PATHFINDING_RANGE = NMS.getField(NavigationAbstract.class, "a");
     private static final Random RANDOM = Util.getFastRandom();
     private static Field SKULL_PROFILE_FIELD;
+    private static Field TEAM_FIELD;
     private static Field TRACKED_ENTITY_SET = NMS.getField(EntityTracker.class, "c");
 
     static {
@@ -1360,4 +1378,5 @@ public class NMSImpl implements NMSBridge {
             ex.printStackTrace();
         }
     }
+
 }