Optional player for SlimefunItemSpawnEvent

src/main/java/io/github/thebusybiscuit/slimefun4/api/events/SlimefunItemSpawnEvent.java

@@ -1,10 +1,14 @@
 package io.github.thebusybiscuit.slimefun4.api.events;
 
+import java.util.Optional;
+
 import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
 import javax.annotation.ParametersAreNonnullByDefault;
 
 import org.apache.commons.lang.Validate;
 import org.bukkit.Location;
+import org.bukkit.entity.Player;
 import org.bukkit.event.Cancellable;
 import org.bukkit.event.Event;
 import org.bukkit.event.HandlerList;
@@ -29,13 +33,33 @@ public class SlimefunItemSpawnEvent extends Event implements Cancellable {
     private ItemStack itemStack;
     private boolean cancelled;
     private final ItemSpawnReason itemSpawnReason;
+    private final Player player;
 
     @ParametersAreNonnullByDefault
     public SlimefunItemSpawnEvent(Location location, ItemStack itemStack, ItemSpawnReason itemSpawnReason) {
         this.location = location;
         this.itemStack = itemStack;
         this.itemSpawnReason = itemSpawnReason;
         this.cancelled = false;
+        this.player = null;
+    }
+
+    @ParametersAreNonnullByDefault
+    public SlimefunItemSpawnEvent(@Nullable Player player, Location location, ItemStack itemStack, ItemSpawnReason itemSpawnReason) {
+        this.location = location;
+        this.itemStack = itemStack;
+        this.itemSpawnReason = itemSpawnReason;
+        this.cancelled = false;
+        this.player = player;
+    }
+
+    /**
+     * Optionally returns the {@link Player} responsible for this spawn reason.
+     *
+     * @return The player responsible if applicable.
+     */
+    public Optional<Player> getPlayer() {
+        return Optional.ofNullable(player);
     }
 
     /**

src/main/java/io/github/thebusybiscuit/slimefun4/implementation/items/altar/AncientPedestal.java

@@ -167,7 +167,7 @@ public void placeItem(@Nonnull Player p, @Nonnull Block b) {
             ItemUtils.consumeItem(hand, false);
         }
 
-        Item entity = SlimefunUtils.spawnItem(b.getLocation().add(0.5, 1.2, 0.5), displayItem, ItemSpawnReason.ANCIENT_PEDESTAL_PLACE_ITEM);
+        Item entity = SlimefunUtils.spawnItem(p, b.getLocation().add(0.5, 1.2, 0.5), displayItem, ItemSpawnReason.ANCIENT_PEDESTAL_PLACE_ITEM, false);
 
         if (entity != null) {
             ArmorStand armorStand = getArmorStand(b, true);

src/main/java/io/github/thebusybiscuit/slimefun4/implementation/items/seasonal/ChristmasPresent.java

@@ -55,7 +55,7 @@ public ChristmasPresent(ItemGroup itemGroup, SlimefunItemStack item, RecipeType
 
                 Block b = block.getRelative(e.getClickedFace());
                 ItemStack gift = gifts[ThreadLocalRandom.current().nextInt(gifts.length)].clone();
-                SlimefunUtils.spawnItem(b.getLocation(), gift, ItemSpawnReason.CHRISTMAS_PRESENT_OPENED, true);
+                SlimefunUtils.spawnItem(e.getPlayer(), b.getLocation(), gift, ItemSpawnReason.CHRISTMAS_PRESENT_OPENED, true);
             });
         };
     }

src/main/java/io/github/thebusybiscuit/slimefun4/implementation/items/tools/GoldPan.java

@@ -154,7 +154,7 @@ public void updateRandomizer() {
 
                     // Make sure that the randomly selected item is not air
                     if (output.getType() != Material.AIR) {
-                        SlimefunUtils.spawnItem(b.getLocation(), output.clone(), ItemSpawnReason.GOLD_PAN_USE, true);
+                        SlimefunUtils.spawnItem(e.getPlayer(), b.getLocation(), output.clone(), ItemSpawnReason.GOLD_PAN_USE, true);
                     }
                 }
             }

src/main/java/io/github/thebusybiscuit/slimefun4/implementation/items/tools/PickaxeOfContainment.java

@@ -50,7 +50,7 @@ public PickaxeOfContainment(ItemGroup itemGroup, SlimefunItemStack item, RecipeT
 
             if (b.getType() == Material.SPAWNER) {
                 ItemStack spawner = breakSpawner(b);
-                SlimefunUtils.spawnItem(b.getLocation(), spawner, ItemSpawnReason.BROKEN_SPAWNER_DROP, true);
+                SlimefunUtils.spawnItem(e.getPlayer(), b.getLocation(), spawner, ItemSpawnReason.BROKEN_SPAWNER_DROP, true);
 
                 e.setExpToDrop(0);
                 e.setDropItems(false);

src/main/java/io/github/thebusybiscuit/slimefun4/utils/SlimefunUtils.java

@@ -610,6 +610,23 @@ public static boolean canPlayerUseItem(@Nonnull Player p, @Nullable ItemStack it
         }
     }
 
+    public static @Nullable Item spawnItem(Player player, Location loc, ItemStack item, ItemSpawnReason reason, boolean addRandomOffset) {
+        SlimefunItemSpawnEvent event = new SlimefunItemSpawnEvent(player, loc, item, reason);
+        Slimefun.instance().getServer().getPluginManager().callEvent(event);
+
+        if (!event.isCancelled()) {
+            World world = event.getLocation().getWorld();
+
+            if (addRandomOffset) {
+                return world.dropItemNaturally(event.getLocation(), event.getItemStack());
+            } else {
+                return world.dropItem(event.getLocation(), event.getItemStack());
+            }
+        } else {
+            return null;
+        }
+    }
+
     /**
      * Helper method to spawn an {@link ItemStack}.
      * This method automatically calls a {@link SlimefunItemSpawnEvent} to allow