Decimation_Mod/Lib/Util/PlayerUtils.cs

using System.Linq;
using Decimation.Content;
using Decimation.Lib.Items;
using Terraria;
using Terraria.ModLoader;

namespace Decimation.Lib.Util
{
    public static class PlayerUtils
    {
        public static DecimationPlayer GetModPlayer(this Player player)
        {
            return player.GetModPlayer<DecimationPlayer>();
        }

        public static void EquipAccessory(this Player player, DecimationAccessory accessory)
        {
            player.EquipAccessory(accessory.item);
        }

        public static void EquipAccessory(this Player player, Item accessory)
        {
            player.EquipAccessory(accessory.type);
        }

        public static void EquipAccessory(this Player player, int item)
        {
            player.GetModPlayer().EquippedAccessories.Add(item);
        }

        public static bool HasEquippedAccessory(this Player player, int accessoryType)
        {
            return player.GetModPlayer().EquippedAccessories.Contains(accessoryType);
        }

        public static bool HasEquippedAccessory(this ModPlayer modPlayer, int accessoryType)
        {
            return modPlayer.player.HasEquippedAccessory(accessoryType);
        }

        public static bool HasEquippedAmulet(this Player player, int amuletType)
        {
            return player.GetModPlayer().AmuletSlotItem.type == amuletType;
        }

        public static bool HasEquippedShield(this Player player)
        {
            return ShieldID.Shields.Count(player.HasEquippedAccessory) != 0;
        }

        public static bool HasEquippedShield(this ModPlayer modPlayer)
        {
            return modPlayer.player.HasEquippedShield();
        }

        public static bool TeamHasEquippedAccessory(this Player player, int accessoryType)
        {
            for (int i = 0; i < Main.player.Length; i++)
            {
                Player p = Main.player[i];
                if (p.active && !p.dead && p.team == player.team && p.HasEquippedAccessory(accessoryType))
                {
                    return true;
                }
            }

            return false;
        }

        public static bool TeamHasEquippedAccessory(this ModPlayer modPlayer, int accessoryType)
        {
            return modPlayer.player.TeamHasEquippedAccessory(accessoryType);
        }

        public static void LeechMana(this Player player, Entity target, int minMana = 5, int maxMana = 15)
        {
            int manaAmount = Main.rand.Next(minMana, maxMana + 1);
            player.ManaEffect(manaAmount);

            if (target.GetType() == typeof(Player))
            {
                ((Player) target).ManaEffect(-manaAmount);
            }
        }
    }
}