Fixed support for new egg types in 1.21.5 and later versions

Author: MattBDev

Bukkit/src/main/java/com/plotsquared/bukkit/listener/PlayerEventListener.java

@@ -1310,16 +1310,18 @@ public void onInteract(PlayerInteractEvent event) {
                         }
                     }
                 }
+                // 1.21.5 (Spring to Life) introduced brown_egg and blue_egg.
+                // This new variable detects all current and future eggs.
+                // It could be replaced with an Item Tag or the exact Material in the future.
+                final boolean isEgg = type.toString().toLowerCase().endsWith("egg");
                 if (PaperLib.isPaper()) {
-                    if (MaterialTags.SPAWN_EGGS.isTagged(type) || Material.EGG.equals(type)) {
-                        eventType = PlayerBlockEventType.SPAWN_MOB;
-                        break;
-                    }
-                } else {
-                    if (type.toString().toLowerCase().endsWith("egg")) {
+                    if (MaterialTags.SPAWN_EGGS.isTagged(type) || isEgg) {
                         eventType = PlayerBlockEventType.SPAWN_MOB;
                         break;
                     }
+                } else if (isEgg) {
+                    eventType = PlayerBlockEventType.SPAWN_MOB;
+                    break;
                 }
                 if (type.isEdible()) {
                     //Allow all players to eat while also allowing the block place event to be fired