Added offset setting for holograms. #382

Author: tastybento

src/main/java/world/bentobox/aoneblock/Settings.java

@@ -107,6 +107,10 @@ public class Settings implements WorldSettings {
     @ConfigEntry(path = "world.holograms")
     private boolean useHolograms = true;
 
+    @ConfigComment("Hologram position - the offset to the magic block where holograms will appear")
+    @ConfigEntry(path = "world.hologram-offset")
+    private String offset = "0.5, 1.1, 0.5";
+
     @ConfigComment("Duration in seconds that phase holograms will exist after being displayed, if used.")
     @ConfigComment("If set to 0, then holograms will persist until cleared some other way.")
     @ConfigEntry(path = "world.hologram-duration")
@@ -2195,4 +2199,18 @@ public boolean isDisallowTeamMemberIslands() {
     public void setDisallowTeamMemberIslands(boolean disallowTeamMemberIslands) {
         this.disallowTeamMemberIslands = disallowTeamMemberIslands;
     }
+
+    /**
+     * @return the offset
+     */
+    public String getOffset() {
+        return offset;
+    }
+
+    /**
+     * @param offset the offset to set
+     */
+    public void setOffset(String offset) {
+        this.offset = offset;
+    }
 }

src/main/java/world/bentobox/aoneblock/listeners/HoloListener.java

@@ -13,6 +13,7 @@
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
+import org.bukkit.util.Vector;
 import org.eclipse.jdt.annotation.NonNull;
 
 import world.bentobox.aoneblock.AOneBlock;
@@ -50,7 +51,7 @@ private Optional<TextDisplay> getHologram(Island island) {
     }
 
     private TextDisplay createHologram(Island island) {
-        Location pos = island.getCenter().clone().add(0.5, 1.1, 0.5);
+        Location pos = island.getCenter().clone().add(parseVector(addon.getSettings().getOffset()));
         World world = pos.getWorld();
         assert world != null;
 
@@ -63,6 +64,25 @@ private TextDisplay createHologram(Island island) {
         return newDisplay;
     }
 
+    private static Vector parseVector(String str) {
+        if (str == null) {
+            return new Vector(0.5, 1.1, 0.5);
+        }
+        String[] parts = str.split(",");
+        if (parts.length != 3) {
+            return new Vector(0.5, 1.1, 0.5);
+        }
+
+        try {
+            double x = Double.parseDouble(parts[0].trim());
+            double y = Double.parseDouble(parts[1].trim());
+            double z = Double.parseDouble(parts[2].trim());
+            return new Vector(x, y, z);
+        } catch (NumberFormatException e) {
+            return new Vector(0.5, 1.1, 0.5);
+        }
+    }
+
     private void clearIfInitialized(TextDisplay hologram) {
         if (hologram.isValid()) {
             hologram.remove();

src/main/resources/config.yml

@@ -55,6 +55,8 @@ world:
   difficulty: NORMAL
   # Display holograms
   holograms: true
+  # Hologram position - the offset to the magic block where holograms will appear
+  hologram-offset: 0.5, 1.1, 0.5
   # Duration in seconds that phase holograms will exist after being displayed, if used.
   # If set to 0, then holograms will persist until cleared some other way.
   hologram-duration: 10
@@ -193,9 +195,9 @@ world:
     create-obsidian-platform: false
   # Mob white list - these mobs will NOT be removed when logging in or doing /island
   remove-mobs-whitelist:
-  - WITHER
-  - ZOMBIE_VILLAGER
   - ENDERMAN
+  - ZOMBIE_VILLAGER
+  - WITHER
   # World flags. These are boolean settings for various flags for this world
   flags:
     CREEPER_DAMAGE: true