343 lines
7.6 KiB
C#
343 lines
7.6 KiB
C#
using System;
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using System.Collections.Generic;
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using Server.Items;
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namespace Server.Mobiles
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{
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public class GenericBuyInfo : IBuyItemInfo
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{
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private class DisplayCache : Container
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{
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private static DisplayCache m_Cache;
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public static DisplayCache Cache {
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get {
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if ( m_Cache == null || m_Cache.Deleted )
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m_Cache = new DisplayCache();
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return m_Cache;
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}
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}
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private Dictionary<Type, IEntity> m_Table;
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private List<Mobile> m_Mobiles;
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public DisplayCache() : base( 0 )
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{
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m_Table = new Dictionary<Type, IEntity>();
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m_Mobiles = new List<Mobile>();
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}
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public IEntity Lookup( Type key )
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{
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m_Table.TryGetValue( key, out IEntity e );
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return e;
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}
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public void Store( Type key, IEntity obj, bool cache )
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{
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if ( cache )
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m_Table[key] = obj;
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if ( obj is Item )
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AddItem( (Item)obj );
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else if ( obj is Mobile )
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m_Mobiles.Add( (Mobile)obj );
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}
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public DisplayCache( Serial serial ) : base( serial )
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{
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}
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public override void OnAfterDelete()
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{
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base.OnAfterDelete();
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for ( int i = 0; i < m_Mobiles.Count; ++i )
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m_Mobiles[i].Delete();
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m_Mobiles.Clear();
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for ( int i = Items.Count - 1; i >= 0; --i )
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if ( i < Items.Count )
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Items[i].Delete();
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if ( m_Cache == this )
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m_Cache = null;
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}
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public override void Serialize( GenericWriter writer )
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{
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base.Serialize( writer );
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writer.Write( (int) 0 ); // version
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writer.Write( m_Mobiles );
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}
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public override void Deserialize( GenericReader reader )
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{
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base.Deserialize( reader );
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int version = reader.ReadInt();
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m_Mobiles = reader.ReadStrongMobileList();
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for ( int i = 0; i < m_Mobiles.Count; ++i )
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m_Mobiles[i].Delete();
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m_Mobiles.Clear();
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for ( int i = Items.Count - 1; i >= 0; --i )
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if ( i < Items.Count )
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Items[i].Delete();
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if ( m_Cache == null )
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m_Cache = this;
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else
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Delete();
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m_Table = new Dictionary<Type, IEntity>();
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}
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}
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private Type m_Type;
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private string m_Name;
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private int m_Price;
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private int m_MaxAmount, m_Amount;
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private int m_ItemID;
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private int m_Hue;
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private object[] m_Args;
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private IEntity m_DisplayEntity;
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public virtual int ControlSlots => 0;
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public virtual bool CanCacheDisplay //return ( m_Args == null || m_Args.Length == 0 ); }
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=> false;
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private bool IsDeleted( IEntity obj )
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{
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return obj.Deleted;
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}
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public void DeleteDisplayEntity()
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{
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if ( m_DisplayEntity == null )
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return;
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m_DisplayEntity.Delete();
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m_DisplayEntity = null;
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}
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public IEntity GetDisplayEntity()
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{
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if ( m_DisplayEntity != null && !IsDeleted( m_DisplayEntity ) )
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return m_DisplayEntity;
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bool canCache = CanCacheDisplay;
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if ( canCache )
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m_DisplayEntity = DisplayCache.Cache.Lookup( m_Type );
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if ( m_DisplayEntity == null || IsDeleted( m_DisplayEntity ) )
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m_DisplayEntity = GetEntity();
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DisplayCache.Cache.Store( m_Type, m_DisplayEntity, canCache );
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return m_DisplayEntity;
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}
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public Type Type
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{
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get => m_Type;
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set => m_Type = value;
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}
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public string Name
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{
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get => m_Name;
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set => m_Name = value;
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}
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public int DefaultPrice => m_PriceScalar;
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private int m_PriceScalar;
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public int PriceScalar
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{
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get => m_PriceScalar;
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set => m_PriceScalar = value;
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}
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public int Price
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{
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get
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{
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if ( m_PriceScalar != 0 )
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{
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if ( m_Price > 5000000 )
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{
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long price = m_Price;
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price *= m_PriceScalar;
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price += 50;
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price /= 100;
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if ( price > int.MaxValue )
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price = int.MaxValue;
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return (int)price;
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}
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return ( ((m_Price * m_PriceScalar) + 50) / 100 );
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}
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return m_Price;
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}
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set => m_Price = value;
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}
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public int ItemID
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{
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get => m_ItemID;
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set => m_ItemID = value;
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}
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public int Hue
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{
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get => m_Hue;
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set => m_Hue = value;
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}
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public int Amount
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{
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get => m_Amount;
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set{ if ( value < 0 ) value = 0; m_Amount = value; }
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}
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public int MaxAmount
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{
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get => m_MaxAmount;
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set => m_MaxAmount = value;
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}
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public object[] Args
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{
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get => m_Args;
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set => m_Args = value;
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}
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public GenericBuyInfo( Type type, int price, int amount, int itemID, int hue ) : this( null, type, price, amount, itemID, hue, null )
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{
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}
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public GenericBuyInfo( string name, Type type, int price, int amount, int itemID, int hue ) : this( name, type, price, amount, itemID, hue, null )
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{
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}
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public GenericBuyInfo( Type type, int price, int amount, int itemID, int hue, object[] args ) : this( null, type, price, amount, itemID, hue, args )
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{
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}
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public GenericBuyInfo( string name, Type type, int price, int amount, int itemID, int hue, object[] args )
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{
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m_Type = type;
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m_Price = price;
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m_MaxAmount = m_Amount = amount;
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m_ItemID = itemID;
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m_Hue = hue;
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m_Args = args;
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if ( name == null )
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m_Name = itemID < 0x4000 ? (1020000 + itemID).ToString() : (1078872 + itemID).ToString();
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else
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m_Name = name;
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}
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//get a new instance of an object (we just bought it)
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public virtual IEntity GetEntity()
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{
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if ( m_Args == null || m_Args.Length == 0 )
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return (IEntity)Activator.CreateInstance( m_Type );
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return (IEntity)Activator.CreateInstance( m_Type, m_Args );
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//return (Item)Activator.CreateInstance( m_Type );
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}
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//Attempt to restock with item, (return true if restock successful)
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public bool Restock( Item item, int amount )
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{
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return false;
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/*if ( item.GetType() == m_Type )
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{
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if ( item is BaseWeapon )
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{
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BaseWeapon weapon = (BaseWeapon)item;
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if ( weapon.Quality == WeaponQuality.Low || weapon.Quality == WeaponQuality.Exceptional || (int)weapon.DurabilityLevel > 0 || (int)weapon.DamageLevel > 0 || (int)weapon.AccuracyLevel > 0 )
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return false;
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}
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if ( item is BaseArmor )
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{
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BaseArmor armor = (BaseArmor)item;
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if ( armor.Quality == ArmorQuality.Low || armor.Quality == ArmorQuality.Exceptional || (int)armor.Durability > 0 || (int)armor.ProtectionLevel > 0 )
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return false;
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}
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m_Amount += amount;
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return true;
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}
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else
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{
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return false;
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}*/
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}
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public void OnRestock()
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{
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if ( m_Amount <= 0 )
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{
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/*
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Core.ML using this vendor system is undefined behavior, so being
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as it lends itself to an abusable exploit to cause ingame havok
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and the stackable items are not found to be over 20 items, this is
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changed until there is a better solution.
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*/
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object Obj_Disp = GetDisplayEntity();
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if ( Core.ML && Obj_Disp is Item && !( Obj_Disp as Item ).Stackable )
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{
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m_MaxAmount = Math.Min( 20, m_MaxAmount );
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}
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else
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{
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m_MaxAmount = Math.Min( 999, m_MaxAmount * 2 );
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}
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}
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else
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{
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/* NOTE: According to UO.com, the quantity is halved if the item does not reach 0
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* Here we implement differently: the quantity is halved only if less than half
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* of the maximum quantity was bought. That is, if more than half is sold, then
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* there's clearly a demand and we should not cut down on the stock.
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*/
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int halfQuantity = m_MaxAmount;
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if ( halfQuantity >= 999 )
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halfQuantity = 640;
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else if ( halfQuantity > 20 )
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halfQuantity /= 2;
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if ( m_Amount >= halfQuantity )
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m_MaxAmount = halfQuantity;
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}
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m_Amount = m_MaxAmount;
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}
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}
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}
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