fancyholograms-v3: Add HologramController#updateHologramData

Author: OliverSchlueter

plugins/fancyholograms/fh-api/src/main/java/de/oliver/fancyholograms/api/HologramController.java

@@ -30,6 +30,13 @@ public interface HologramController {
     @ApiStatus.Internal
     boolean shouldSeeHologram(@NotNull final Hologram hologram, @NotNull final Player player);
 
+    /**
+     * Updates hologram data such as text, background, etc. for the given players.
+     * Be aware that some data changes require the hologram to be fully respawned.
+     */
+    @ApiStatus.Internal
+    void updateHologramData(@NotNull final Hologram hologram, @NotNull final Player ...players);;
+
     /**
      * Spawns the hologram to the given players, if they should see it, and it is not already shown to them.
      * Hide the hologram from the players that should not see it.

plugins/fancyholograms/src/main/java/de/oliver/fancyholograms/controller/HologramControllerImpl.java

@@ -10,6 +10,7 @@
 import de.oliver.fancynpcs.api.FancyNpcsPlugin;
 import org.bukkit.Bukkit;
 import org.bukkit.entity.Player;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.joml.Vector3f;
 
@@ -46,6 +47,21 @@ public void hideHologramFrom(@NotNull final Hologram hologram, @NotNull final Pl
         }
     }
 
+    @Override
+    @ApiStatus.Internal
+    public void updateHologramData(@NotNull final Hologram hologram, @NotNull final Player ...players) {
+        for (Player player : players) {
+            boolean isVisible = hologram.isViewer(player);
+            boolean shouldSee = shouldSeeHologram(hologram, player);
+
+            if (!isVisible || !shouldSee) {
+                continue;
+            }
+
+            hologram.updateFor(player);
+        }
+    }
+
     @Override
     public boolean shouldSeeHologram(@NotNull final Hologram hologram, @NotNull final Player player) {
         if (!meetsVisibilityConditions(hologram, player)) {