Add config option to respawn at respawn anchors (#3498)

Essentials/src/com/earth2me/essentials/ISettings.java

@@ -107,6 +107,8 @@ public interface ISettings extends IConf {
 
     boolean getRespawnAtHome();
 
+    boolean isRespawnAtAnchor();
+
     Set getMultipleHomes();
 
     int getHomeLimit(String set);

Essentials/src/com/earth2me/essentials/Settings.java

@@ -61,6 +61,11 @@ public class Settings implements net.ess3.api.ISettings {
         return config.getBoolean("respawn-at-home", false);
     }
 
+    @Override
+    public boolean isRespawnAtAnchor() {
+        return config.getBoolean("respawn-at-anchor", false);
+    }
+
     @Override
     public boolean getUpdateBedAtDaytime() {
         return config.getBoolean("update-bed-at-daytime", true);

Essentials/src/config.yml

@@ -1034,6 +1034,9 @@ spawn-join-listener-priority: high
 # When users die, should they respawn at their first home or bed, instead of the spawnpoint?
 respawn-at-home: false
 
+# When users die, should EssentialsSpawn respect users' respawn anchors?
+respawn-at-anchor: false
+
 # Teleport all joining players to the spawnpoint
 spawn-on-join: false
 # The following value of `guests` states that all players in group `guests` will be teleported to spawn when joining.

EssentialsSpawn/src/com/earth2me/essentials/spawn/EssentialsSpawnPlayerListener.java

@@ -6,6 +6,7 @@ import com.earth2me.essentials.User;
 import com.earth2me.essentials.textreader.IText;
 import com.earth2me.essentials.textreader.KeywordReplacer;
 import com.earth2me.essentials.textreader.SimpleTextPager;
+import com.earth2me.essentials.utils.VersionUtil;
 import io.papermc.lib.PaperLib;
 import net.ess3.api.IEssentials;
 import org.bukkit.Location;
@@ -42,6 +43,10 @@ class EssentialsSpawnPlayerListener implements Listener {
             return;
         }
 
+        if (VersionUtil.getServerBukkitVersion().isHigherThanOrEqualTo(VersionUtil.v1_16_1_R01) && event.isAnchorSpawn() && ess.getSettings().isRespawnAtAnchor()) {
+            return;
+        }
+
         if (ess.getSettings().getRespawnAtHome()) {
             Location home;
             final Location bed = user.getBase().getBedSpawnLocation(); // cannot nuke this sync load due to the event being sync so it would hand either way.