From a6e6668fe01b349c5eacbe97d074d39d876a875a Mon Sep 17 00:00:00 2001
From: ReinforceZwei <39955851+ReinforceZwei@users.noreply.github.com>
Date: Tue, 21 Jul 2020 14:53:50 +0800
Subject: [PATCH] Add item stacking mechanism

---
 .../Inventory/ItemTypeExtensions.cs           | 186 ++++++++++++++++++
 1 file changed, 186 insertions(+)

diff --git a/MinecraftClient/Inventory/ItemTypeExtensions.cs b/MinecraftClient/Inventory/ItemTypeExtensions.cs
index b46aff61..09d9b8e4 100644
--- a/MinecraftClient/Inventory/ItemTypeExtensions.cs
+++ b/MinecraftClient/Inventory/ItemTypeExtensions.cs
@@ -43,5 +43,191 @@ namespace MinecraftClient.Inventory
             };
             return t.Contains(m);
         }
+
+        public static bool IsStackable(this ItemType m)
+        {
+            // these are non-stackable
+            ItemType[] t =
+            {
+                ItemType.AcaciaBoat,
+                ItemType.BirchBoat,
+                ItemType.BlackBed,
+                ItemType.BlackShulkerBox,
+                ItemType.BlueBed,
+                ItemType.BlueShulkerBox,
+                ItemType.Bow,
+                ItemType.BrownBed,
+                ItemType.BrownShulkerBox,
+                ItemType.Cake,
+                ItemType.ChainmailBoots,
+                ItemType.ChainmailChestplate,
+                ItemType.ChainmailHelmet,
+                ItemType.ChainmailLeggings,
+                ItemType.ChestMinecart,
+                ItemType.CodBucket,
+                ItemType.CommandBlockMinecart,
+                ItemType.CreeperBannerPattern,
+                ItemType.Crossbow,
+                ItemType.CyanBed,
+                ItemType.CyanShulkerBox,
+                ItemType.DarkOakBoat,
+                ItemType.DebugStick,
+                ItemType.DiamondAxe,
+                ItemType.DiamondBoots,
+                ItemType.DiamondChestplate,
+                ItemType.DiamondHelmet,
+                ItemType.DiamondHoe,
+                ItemType.DiamondHorseArmor,
+                ItemType.DiamondLeggings,
+                ItemType.DiamondPickaxe,
+                ItemType.DiamondShovel,
+                ItemType.DiamondSword,
+                ItemType.Elytra,
+                ItemType.EnchantedBook,
+                ItemType.FilledMap,
+                ItemType.FishingRod,
+                ItemType.FlintAndSteel,
+                ItemType.FurnaceMinecart,
+                ItemType.GlobeBannerPattern,
+                ItemType.GoldenAxe,
+                ItemType.GoldenBoots,
+                ItemType.GoldenChestplate,
+                ItemType.GoldenHelmet,
+                ItemType.GoldenHoe,
+                ItemType.GoldenHorseArmor,
+                ItemType.GoldenLeggings,
+                ItemType.GoldenPickaxe,
+                ItemType.GoldenShovel,
+                ItemType.GoldenSword,
+                ItemType.GrayBed,
+                ItemType.GrayShulkerBox,
+                ItemType.GreenBed,
+                ItemType.GreenShulkerBox,
+                ItemType.HopperMinecart,
+                ItemType.IronAxe,
+                ItemType.IronBoots,
+                ItemType.IronChestplate,
+                ItemType.IronHelmet,
+                ItemType.IronHoe,
+                ItemType.IronHorseArmor,
+                ItemType.IronLeggings,
+                ItemType.IronPickaxe,
+                ItemType.IronShovel,
+                ItemType.IronSword,
+                ItemType.Jigsaw,
+                ItemType.JungleBoat,
+                ItemType.LavaBucket,
+                ItemType.LeatherBoots,
+                ItemType.LeatherChestplate,
+                ItemType.LeatherHelmet,
+                ItemType.LeatherHorseArmor,
+                ItemType.LeatherLeggings,
+                ItemType.LightBlueBed,
+                ItemType.LightBlueShulkerBox,
+                ItemType.LightGrayBed,
+                ItemType.LightGrayShulkerBox,
+                ItemType.LimeBed,
+                ItemType.LimeShulkerBox,
+                ItemType.LingeringPotion,
+                ItemType.MagentaBed,
+                ItemType.MagentaShulkerBox,
+                ItemType.MilkBucket,
+                ItemType.Minecart,
+                ItemType.MojangBannerPattern,
+                ItemType.MushroomStew,
+                ItemType.MusicDisc11,
+                ItemType.MusicDisc13,
+                ItemType.MusicDiscCat,
+                ItemType.MusicDiscChirp,
+                ItemType.MusicDiscFar,
+                ItemType.MusicDiscMall,
+                ItemType.MusicDiscMellohi,
+                ItemType.MusicDiscStal,
+                ItemType.MusicDiscStrad,
+                ItemType.MusicDiscWait,
+                ItemType.MusicDiscWard,
+                ItemType.OakBoat,
+                ItemType.OrangeBed,
+                ItemType.OrangeShulkerBox,
+                ItemType.PinkBed,
+                ItemType.PinkShulkerBox,
+                ItemType.Potion,
+                ItemType.PufferfishBucket,
+                ItemType.PurpleBed,
+                ItemType.PurpleShulkerBox,
+                ItemType.RabbitStew,
+                ItemType.RedBed,
+                ItemType.RedShulkerBox,
+                ItemType.Saddle,
+                ItemType.SalmonBucket,
+                ItemType.Shears,
+                ItemType.Shield,
+                ItemType.ShulkerBox,
+                ItemType.SkullBannerPattern,
+                ItemType.SplashPotion,
+                ItemType.SpruceBoat,
+                ItemType.StoneAxe,
+                ItemType.StoneHoe,
+                ItemType.StonePickaxe,
+                ItemType.StoneShovel,
+                ItemType.StoneSword,
+                ItemType.StructureBlock,
+                ItemType.SuspiciousStew,
+                ItemType.TntMinecart,
+                ItemType.TotemOfUndying,
+                ItemType.Trident,
+                ItemType.TropicalFishBucket,
+                ItemType.TurtleHelmet,
+                ItemType.WaterBucket,
+                ItemType.WhiteBed,
+                ItemType.WhiteShulkerBox,
+                ItemType.WoodenAxe,
+                ItemType.WoodenHoe,
+                ItemType.WoodenPickaxe,
+                ItemType.WoodenShovel,
+                ItemType.WoodenSword,
+                ItemType.WritableBook,
+                ItemType.WrittenBook,
+                ItemType.YellowBed,
+                ItemType.YellowShulkerBox
+            };
+            return !t.Contains(m);
+        }
+
+        public static int StackCount(this ItemType m)
+        {
+            // These are stack to 16 only
+            ItemType[] t =
+            {
+                ItemType.BlackBanner,
+                ItemType.BlueBanner,
+                ItemType.BrownBanner,
+                ItemType.CyanBanner,
+                ItemType.GrayBanner,
+                ItemType.GreenBanner,
+                ItemType.LightBlueBanner,
+                ItemType.LightGrayBanner,
+                ItemType.LimeBanner,
+                ItemType.MagentaBanner,
+                ItemType.OrangeBanner,
+                ItemType.PinkBanner,
+                ItemType.PurpleBanner,
+                ItemType.RedBanner,
+                ItemType.WhiteBanner,
+                ItemType.YellowBanner,
+                ItemType.ArmorStand,
+                ItemType.Bucket,
+                ItemType.Egg,
+                ItemType.EnderEye,
+                ItemType.HoneyBottle,
+                ItemType.Snowball
+            };
+            if (m.IsStackable())
+                return 64;
+            else if (t.Contains(m))
+                return 16;
+            else
+                return 1;
+        }
     }
 }