switch to purpur api, use teleport hindered

build.gradle.kts

@@ -13,8 +13,12 @@ java {
     toolchain.languageVersion.set(JavaLanguageVersion.of(17))
 }
 
+repositories {
+    maven("https://repo.purpurmc.org/snapshots/")
+}
+
 dependencies {
-    paperweight.paperDevBundle("1.20.1-R0.1-SNAPSHOT")
+    paperweight.paperDevBundle("1.20.1-R0.1-SNAPSHOT", "org.purpurmc.purpur")
 }
 
 tasks {

src/main/java/me/youhavetrouble/notjustnameplates/NotJustNameplates.java

@@ -2,10 +2,13 @@ package me.youhavetrouble.notjustnameplates;
 
 import me.youhavetrouble.notjustnameplates.commands.MainCommand;
 import me.youhavetrouble.notjustnameplates.nameplates.TeamManagementListener;
+import org.bukkit.entity.Player;
 import org.bukkit.permissions.PermissionDefault;
 import org.bukkit.plugin.java.JavaPlugin;
 import org.bukkit.util.permissions.DefaultPermissions;
 
+import java.util.UUID;
+
 public final class NotJustNameplates extends JavaPlugin {
 
     private static NotJustNameplates instance;

src/main/java/me/youhavetrouble/notjustnameplates/nameplates/Nameplate.java

@@ -6,10 +6,13 @@ import net.kyori.adventure.text.Component;
 import net.kyori.adventure.text.minimessage.MiniMessage;
 import org.bukkit.Bukkit;
 import org.bukkit.Color;
+import org.bukkit.NamespacedKey;
+import org.bukkit.craftbukkit.v1_20_R1.entity.CraftPlayer;
 import org.bukkit.entity.EntityType;
 import org.bukkit.entity.Player;
 import org.bukkit.entity.TextDisplay;
 import org.bukkit.event.entity.CreatureSpawnEvent;
+import org.bukkit.persistence.PersistentDataType;
 import org.bukkit.util.Transformation;
 import org.jetbrains.annotations.NotNull;
 import org.joml.AxisAngle4f;
@@ -19,6 +22,9 @@ import java.util.UUID;
 
 public class Nameplate {
 
+    public static final NamespacedKey NAMEPLATE_KEY = new NamespacedKey(NotJustNameplates.getInstance(), "nameplate");
+
+    protected boolean forceHide = false;
     private DisplayContent content;
     private final UUID playerUuid;
     private final float heightOffset = 0.7f;
@@ -32,6 +38,10 @@ public class Nameplate {
         this.content = content;
     }
 
+    protected TextDisplay getEntity() {
+        return textDisplay;
+    }
+
     private void createDisplayEntity() {
         if (textDisplay != null && !textDisplay.isDead()) return;
         if (this.content == null) return;
@@ -44,6 +54,7 @@ public class Nameplate {
                 EntityType.TEXT_DISPLAY,
                 CreatureSpawnEvent.SpawnReason.CUSTOM, entity -> {
                     TextDisplay textDisplay = (TextDisplay) entity;
+                    textDisplay.getPersistentDataContainer().set(NAMEPLATE_KEY, PersistentDataType.STRING, player.getName());
                     textDisplay.setInvulnerable(true);
                     textDisplay.setPersistent(false);
                     textDisplay.setAlignment(alignment);
@@ -103,11 +114,16 @@ public class Nameplate {
      * Update the nameplate position
      */
     public void update() {
+        if (forceHide) {
+            remove();
+            return;
+        }
         Player player = Bukkit.getPlayer(playerUuid);
         if (player == null || player.isDead() || content.getCurrentFrame().text() == null) {
             remove();
             return;
         }
+
         createDisplayEntity();
         if (textDisplay == null || textDisplay.isDead()) return;
         if (!player.getPassengers().contains(textDisplay)) {

src/main/java/me/youhavetrouble/notjustnameplates/nameplates/TeamManagementListener.java

@@ -1,20 +1,27 @@
 package me.youhavetrouble.notjustnameplates.nameplates;
 
+import io.papermc.paper.event.entity.EntityPortalReadyEvent;
 import me.youhavetrouble.notjustnameplates.NotJustNameplates;
 import me.youhavetrouble.notjustnameplates.displays.DisplayContent;
 import net.minecraft.network.protocol.game.ClientboundSetPlayerTeamPacket;
 import net.minecraft.world.scores.PlayerTeam;
 import net.minecraft.world.scores.Scoreboard;
 import org.bukkit.Bukkit;
+import org.bukkit.Location;
+import org.bukkit.Material;
+import org.bukkit.block.Block;
 import org.bukkit.craftbukkit.v1_20_R1.entity.CraftPlayer;
 import org.bukkit.entity.Player;
+import org.bukkit.entity.TextDisplay;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
-import org.bukkit.event.player.PlayerJoinEvent;
-import org.bukkit.event.player.PlayerQuitEvent;
-import org.bukkit.event.player.PlayerTeleportEvent;
+import org.bukkit.event.entity.EntityPortalEnterEvent;
+import org.bukkit.event.entity.EntityPortalExitEvent;
+import org.bukkit.event.player.*;
+import org.bukkit.persistence.PersistentDataType;
 import org.jetbrains.annotations.NotNull;
+import org.purpurmc.purpur.event.entity.EntityTeleportHinderedEvent;
 
 import java.util.HashMap;
 
@@ -54,11 +61,24 @@ public class TeamManagementListener implements Listener {
 
     @EventHandler(ignoreCancelled = true, priority = EventPriority.HIGHEST)
     public void onPlayerTeleport(PlayerTeleportEvent event) {
+        NotJustNameplates.getInstance().getLogger().info("Teleport event");
         Nameplate nameplate = players.get(event.getPlayer().getName());
         if (nameplate == null) return;
         nameplate.remove();
     }
 
+    @EventHandler(ignoreCancelled = true, priority = EventPriority.HIGHEST)
+    public void onPlayerTeleportHindered(EntityTeleportHinderedEvent event) {
+        if (!(event.getEntity() instanceof Player player)) return;
+        if (event.getReason() != EntityTeleportHinderedEvent.Reason.IS_VEHICLE) return;
+        NotJustNameplates.getInstance().getLogger().info("Teleport hindered event");
+        Nameplate nameplate = players.get(player.getName());
+        if (nameplate == null) return;
+        nameplate.remove();
+        event.setShouldRetry(true);
+
+    }
+
     public void reloadTeams() {
         this.players.values().forEach(Nameplate::remove);
         this.players.clear();