Files
OpenRA/OpenRa.Game/TechTree/TechTree.cs
2009-10-30 07:32:19 +13:00

76 lines
1.6 KiB
C#

using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Text.RegularExpressions;
using OpenRa.FileFormats;
using System.Linq;
using OpenRa.Game;
namespace OpenRa.TechTree
{
public class TechTree
{
Dictionary<string, Item> objects = new Dictionary<string, Item>();
public ICollection<string> built = new List<string>();
Race currentRace = Race.None;
public Race CurrentRace
{
get { return currentRace; }
set
{
currentRace = value;
CheckAll();
}
}
public TechTree()
{
LoadRules();
CheckAll();
}
void LoadRules()
{
foreach( var unit in Rules.UnitInfo )
objects.Add( unit.Key, new Item( unit.Key, unit.Value, Rules.UnitCategory[ unit.Key ] == "Building" ) );
}
public bool Build(string key, bool force)
{
if( string.IsNullOrEmpty( key ) ) return false;
key = key.ToLowerInvariant();
Item b = objects[ key ];
if (!force && !b.CanBuild) return false;
built.Add(key);
CheckAll();
return true;
}
public bool Build(string key) { return Build(key, false); }
public bool Unbuild(string key)
{
key = key.ToLowerInvariant();
Item b = objects[key];
if (!built.Contains(key)) return false;
built.Remove(key);
CheckAll();
return true;
}
void CheckAll()
{
foreach (Item unit in objects.Values)
unit.CheckPrerequisites(built, currentRace);
BuildableItemsChanged();
}
public IEnumerable<Item> BuildableItems { get { return objects.Values.Where(b => b.CanBuild); } }
public event Action BuildableItemsChanged = () => { };
}
}