Attempt at carrying over lowest health feature.

src/main/java/com/songoda/ultimatestacker/listeners/SpawnerListeners.java

@@ -29,6 +29,7 @@ import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.BlockStateMeta;
 
 import java.util.List;
+import java.util.Random;
 
 public class SpawnerListeners implements Listener {
 
@@ -45,7 +46,6 @@ public class SpawnerListeners implements Listener {
 
         if (instance.getStackingTask().attemptAddToStack((LivingEntity) event.getEntity(), null)) {
             Entity entity = event.getEntity();
-            if (entity.getType() == EntityType.FIREWORK) return;
             if (entity.getVehicle() != null) {
                 entity.getVehicle().remove();
                 entity.remove();
@@ -60,6 +60,7 @@ public class SpawnerListeners implements Listener {
                 }
             }
             entity.remove();
+
         }
     }
 }

src/main/java/com/songoda/ultimatestacker/tasks/StackingTask.java

@@ -117,6 +117,9 @@ public class StackingTask extends BukkitRunnable {
                 stack.addAmount(amtToStack);
                 stack.updateStack();
                 removed.add(initialEntity.getUniqueId());
+
+                fixHealth(entity, initialEntity);
+
                 initialEntity.remove();
 
                 return true;
@@ -128,6 +131,9 @@ public class StackingTask extends BukkitRunnable {
                     && initialEntity.getLocation().getY() > entity.getLocation().getY()) {
                 stackManager.addStack(entity, initialStack.getAmount() + 1);
                 removed.add(initialEntity.getUniqueId());
+
+                fixHealth(initialEntity, entity);
+
                 initialEntity.remove();
 
                 return true;
@@ -148,6 +154,9 @@ public class StackingTask extends BukkitRunnable {
 
         entityList.stream().filter(entity -> !stackManager.isStacked(entity)
                 && !removed.contains(entity.getUniqueId())).limit(maxEntityStackSize).forEach(entity -> {
+
+            fixHealth(initialEntity, entity);
+
             removed.add(entity.getUniqueId());
             entity.remove();
         });
@@ -156,4 +165,9 @@ public class StackingTask extends BukkitRunnable {
         return false;
     }
 
+    private void fixHealth(LivingEntity entity, LivingEntity initialEntity) {
+        if (Setting.CARRY_OVER_LOWEST_HEALTH.getBoolean() && initialEntity.getHealth() < entity.getHealth())
+            entity.setHealth(initialEntity.getHealth());
+    }
+
 }

src/main/java/com/songoda/ultimatestacker/utils/Methods.java

@@ -179,10 +179,10 @@ public class Methods {
 
         if (Setting.KEEP_FIRE.getBoolean())
             newEntity.setFireTicks(toClone.getFireTicks());
-         if (Setting.KEEP_POTION.getBoolean())
+        if (Setting.KEEP_POTION.getBoolean())
             newEntity.addPotionEffects(toClone.getActivePotionEffects());
 
-        return newEntity;
+            return newEntity;
     }
 
     public static List<LivingEntity> getSimilarEntitiesAroundEntity(LivingEntity initalEntity) {
@@ -368,7 +368,7 @@ public class Methods {
                 }
                 case PARROT_TYPE: {
                     if (!UltimateStacker.getInstance().isServerVersionAtLeast(ServerVersion.V1_12)
-                            ||!(initalEntity instanceof Parrot)) break;
+                            || !(initalEntity instanceof Parrot)) break;
                     Parrot parrot = (Parrot) initalEntity;
                     entityList.removeIf(entity -> ((Parrot) entity).getVariant() != parrot.getVariant());
                     break;
@@ -502,10 +502,10 @@ public class Methods {
         ItemStack glass;
         if (rainbow) {
             glass = new ItemStack(UltimateStacker.getInstance().isServerVersionAtLeast(ServerVersion.V1_13) ?
-                    Material.LEGACY_STAINED_GLASS_PANE :  Material.valueOf("STAINED_GLASS_PANE"), 1, (short) randomNum);
+                    Material.LEGACY_STAINED_GLASS_PANE : Material.valueOf("STAINED_GLASS_PANE"), 1, (short) randomNum);
         } else {
             glass = new ItemStack(UltimateStacker.getInstance().isServerVersionAtLeast(ServerVersion.V1_13) ?
-                    Material.LEGACY_STAINED_GLASS_PANE :  Material.valueOf("STAINED_GLASS_PANE"), 1, (short) type);
+                    Material.LEGACY_STAINED_GLASS_PANE : Material.valueOf("STAINED_GLASS_PANE"), 1, (short) type);
         }
         ItemMeta glassmeta = glass.getItemMeta();
         glassmeta.setDisplayName("§l");
@@ -624,5 +624,4 @@ public class Methods {
     }
 
 
-
 }

src/main/java/com/songoda/ultimatestacker/utils/settings/Setting.java

@@ -85,6 +85,9 @@ public enum Setting {
     KEEP_POTION("Entities.Keep Potion Effects", true,
             "Should potion effects persist to the next entity when an entity dies?"),
 
+    CARRY_OVER_LOWEST_HEALTH("Entities.Carry Over Lowest Health", true,
+            "Should the lowest health be carried over when stacked?"),
+
     ONLY_STACK_FROM_SPAWNERS("Entities.Only Stack From Spawners", false,
             "Should entities only be stacked if they originate from a spawner?",
             "It should be noted that the identifier that tells the plugin",