git-svn-id: svn://svn.ijw.co.nz/svn/OpenRa@1129 993157c7-ee19-0410-b2c4-bb4e9862e678

OpenRa.TechTreeTest/Building.cs

@@ -0,0 +1,66 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace OpenRa.TechTreeTest
+{
+	class Building
+	{
+		readonly string friendlyName;
+
+		public string FriendlyName
+		{
+			get { return friendlyName; }
+		}
+
+		string[] prerequisites;
+
+		public string[] Prerequisites
+		{
+			get { return prerequisites; }
+			set { prerequisites = value; }
+		}
+
+		int techLevel;
+
+		public int TechLevel
+		{
+			get { return techLevel; }
+			set { techLevel = value; }
+		}
+
+		public Building(string friendlyName)
+		{
+			this.friendlyName = friendlyName;
+		}
+
+		public bool ShouldMakeBuildable(IEnumerable<string> buildings)
+		{
+			List<string> p = new List<string>(prerequisites);
+			foreach (string b in buildings)
+				p.Remove(b);
+
+			return p.Count == 0;
+		}
+
+		public bool ShouldMakeUnbuildable(IEnumerable<string> buildings)
+		{
+			List<string> p = new List<string>(prerequisites);
+			foreach (string b in buildings)
+				p.Remove(b);
+
+			return p.Count == prerequisites.Length;
+		}
+
+		bool buildable = false;
+		public bool Buildable { get { return buildable; } }
+
+		public void CheckPrerequisites(IEnumerable<string> buildings)
+		{
+			if (buildable && ShouldMakeUnbuildable(buildings))
+				buildable = false;
+			else if (!buildable && ShouldMakeBuildable(buildings))
+				buildable = true;
+		}
+	}
+}