Add new feature to InventoryFiller

Signed-off-by: yoyosource <yoyosource@nidido.de>

BauSystem_Main/src/BauSystem.properties

@@ -1242,6 +1242,7 @@ SELECT_ITEM_BAUPLATTFORM=§eBuild platform
 SELECT_ITEM_TESTBLOCK=§eDummy
 
 CHESTFILLER_FILLED = §eChest filled
+CHESTFILLER_COUNT = §7{0}§8: §e§l{1}
 
 # Warp
 WARP_DISALLOWED = §cYou are not allowed to use the warp here

BauSystem_Main/src/de/steamwar/bausystem/features/util/InventoryFiller.java

@@ -23,11 +23,13 @@ import de.steamwar.bausystem.BauSystem;
 import de.steamwar.bausystem.linkage.LinkageType;
 import de.steamwar.bausystem.linkage.Linked;
 import net.md_5.bungee.api.ChatMessageType;
+import org.bukkit.Material;
 import org.bukkit.block.Block;
 import org.bukkit.block.Container;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 import org.bukkit.event.player.PlayerDropItemEvent;
+import org.bukkit.event.player.PlayerItemHeldEvent;
 import org.bukkit.inventory.Inventory;
 import org.bukkit.inventory.ItemStack;
 
@@ -50,4 +52,64 @@ public class InventoryFiller implements Listener {
         }
         BauSystem.MESSAGE.sendPrefixless("CHESTFILLER_FILLED", event.getPlayer(), ChatMessageType.ACTION_BAR);
     }
+
+    /**
+     * For MacOS user: https://www.curseforge.com/minecraft/mc-mods/shift-scroll-fix/download
+     */
+    @EventHandler
+    public void onPlayerItemHeld(PlayerItemHeldEvent event) {
+        if (!event.getPlayer().isSneaking()) return;
+        ItemStack itemStack = event.getPlayer().getInventory().getItemInMainHand();
+        if (itemStack.getType() == Material.AIR) return;
+        Block block = event.getPlayer().getTargetBlockExact(5);
+        if (block == null) return;
+        if (!(block.getState() instanceof Container)) return;
+        Container container = (Container) block.getState();
+        Inventory inventory = container.getInventory();
+        event.setCancelled(true);
+
+        int upperBound = event.getPreviousSlot() + 5;
+        if (upperBound > 8) upperBound -= 8;
+        int lowerBound = event.getPreviousSlot() - 5;
+        if (lowerBound < 0) lowerBound += 8;
+
+        int direction = 0;
+        if (event.getNewSlot() > event.getPreviousSlot() || event.getNewSlot() < upperBound) {
+            direction = -1;
+        } else if (event.getNewSlot() < event.getPreviousSlot() || event.getNewSlot() > lowerBound) {
+            direction = 1;
+        }
+
+        int count = 0;
+        int emptySlot = -1;
+        int filledSlot = -1;
+        for (int i = 0; i < inventory.getSize(); i++) {
+            ItemStack current = inventory.getItem(i);
+            if (current == null) {
+                if (emptySlot == -1) emptySlot = i;
+                continue;
+            }
+            if (current.getType() == itemStack.getType()) {
+                count += current.getAmount();
+                int emptyAmount = itemStack.getType().getMaxStackSize() - current.getAmount();
+                if (direction == -1) filledSlot = Math.max(filledSlot, i);
+                if (emptyAmount > 0) filledSlot = Math.min(i, filledSlot);
+                if (emptyAmount > 0 && filledSlot == -1) filledSlot = i;
+            }
+        }
+
+        int slotToUse = direction == -1 ? filledSlot : (filledSlot == -1 ? emptySlot : filledSlot);
+        if (slotToUse == -1) return;
+
+        ItemStack current = inventory.getItem(slotToUse);
+        if (current == null) {
+            ItemStack now = itemStack.clone();
+            now.setAmount(1);
+            inventory.setItem(slotToUse, now);
+        } else {
+            current.setAmount(current.getAmount() + direction);
+        }
+
+        BauSystem.MESSAGE.sendPrefixless("CHESTFILLER_COUNT", event.getPlayer(), ChatMessageType.ACTION_BAR, itemStack.getType(), count + direction);
+    }
 }