Equipment.cs

/*******************************************************************************
 *
 * Space Trader for Windows 2.01
 *
 * Copyright (C) 2008 Jay French, All Rights Reserved
 *
 * Additional coding by David Pierron
 * Original coding by Pieter Spronck, Sam Anderson, Samuel Goldstein, Matt Lee
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option) any
 * later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 *
 * If you'd like a copy of the GNU General Public License, go to
 * http://www.gnu.org/copyleft/gpl.html.
 *
 * You can contact the author at spacetrader@frenchfryz.com
 *
 ******************************************************************************/
using System;
using System.Collections;
using System.Drawing;

namespace Fryz.Apps.SpaceTrader
{
	public abstract class Equipment : STSerializableObject
	{
		#region Member Declarations

		protected EquipmentType	_equipType;
		protected int						_price;
		protected TechLevel			_minTech;
		protected int						_chance;

		#endregion

		#region Methods

		public Equipment(EquipmentType type, int price, TechLevel minTechLevel, int chance)
		{
			_equipType	= type;
			_price			= price;
			_minTech		= minTechLevel;
			_chance			= chance;
		}

		public Equipment(Hashtable hash): base(hash)
		{
			_equipType	= (EquipmentType)GetValueFromHash(hash, "_equipType");
			_price			= (int)GetValueFromHash(hash, "_price");
			_minTech		= (TechLevel)GetValueFromHash(hash, "_minTech");
			_chance			= (int)GetValueFromHash(hash, "_chance");
		}

		public abstract Equipment Clone();

		public override Hashtable Serialize()
		{
			Hashtable	hash	= base.Serialize();

			hash.Add("_equipType",	(int)_equipType);
			hash.Add("_price",			_price);
			hash.Add("_minTech",		(int)_minTech);
			hash.Add("_chance",			_chance);

			return hash;
		}

		public override string ToString()
		{
			return Name;
		}

		public abstract bool TypeEquals(object type);

		#endregion

		#region Properties

		protected int BaseImageIndex
		{
			get
			{
				int	baseImageIndex	= 0;

				switch (EquipmentType)
				{
					case EquipmentType.Gadget:
						baseImageIndex	= Strings.WeaponNames.Length + Strings.ShieldNames.Length;
						break;
					case EquipmentType.Shield:
						baseImageIndex	= Strings.WeaponNames.Length;
						break;
					case EquipmentType.Weapon:
						// baseImageIndex should be 0
						break;
				}

				return baseImageIndex;
			}
		}

		public int Chance
		{
			get
			{
				return _chance;
			}
		}

		public EquipmentType EquipmentType
		{
			get
			{
				return _equipType;
			}
		}

		public System.Drawing.Image Image
		{
			get
			{
				return Game.CurrentGame.ParentWindow.EquipmentImages.Images[BaseImageIndex + (int)SubType];
			}
		}

		public TechLevel MinimumTechLevel
		{
			get
			{
				return _minTech;
			}
		}

		public virtual string Name
		{
			get
			{
				return "";
			}
		}

		public int Price
		{
			get
			{
				Commander	cmdr	= Game.CurrentGame.Commander;
				int				price	= 0;

				if (cmdr != null && cmdr.CurrentSystem.TechLevel >= MinimumTechLevel)
					price	= (_price * (100 - cmdr.Ship.Trader)) / 100;

				return price;
			}
		}

		public int SellPrice
		{
			get
			{
				return _price * 3 / 4;
			}
		}

		public virtual object SubType
		{
			get
			{
				return 0;
			}
		}

		public int TransferPrice
		{
			get
			{
				// The cost to transfer is 10% of the item worth. This is changed
				// from actually PAYING the buyer about 8% to transfer items. - JAF
				return SellPrice * 110 / 90;
			}
		}

		#endregion
	}
}