Decimation_Mod/Content/Items/Misc/Souls/SoulofLife.cs

using Decimation.Lib.Items;
using Terraria;
using Terraria.DataStructures;
using Terraria.ID;
using Terraria.ModLoader;

namespace Decimation.Content.Items.Misc.Souls
{
    internal class SoulofLife : DecimationItem
    {
        protected override string ItemName => "Soul of Life";
        protected override string ItemTooltip => "The essence of living cells.";
        protected override DrawAnimation Animation => new DrawAnimationVertical(5, 4);

        protected override void Init()
        {
            Item refItem = new Item();
            refItem.SetDefaults(ItemID.SoulofSight);

            item.width = refItem.width;
            item.height = refItem.height;
            item.width = 20;
            item.height = 20;

            this.item.maxStack = 999;

            ItemID.Sets.AnimatesAsSoul[this.item.type] = true;
            ItemID.Sets.ItemIconPulse[this.item.type] = true;
            ItemID.Sets.ItemNoGravity[this.item.type] = true;
        }

        public class SoulGlobalNPC : GlobalNPC
        {
            public override void NPCLoot(NPC npc)
            {
                if (npc.type == NPCID.Plantera)
                    Item.NewItem((int) npc.position.X, (int) npc.position.Y, npc.width, npc.height,
                        ModContent.ItemType<SoulofLife>(), Main.rand.Next(12, 25));
            }
        }
    }
}