From 4d5b454d5b241801ea31984c614fbd6d988f0f83 Mon Sep 17 00:00:00 2001
From: chrisf <chrisf@993157c7-ee19-0410-b2c4-bb4e9862e678>
Date: Sat, 7 Jul 2007 05:29:36 +0000
Subject: [PATCH] git-svn-id: svn://svn.ijw.co.nz/svn/OpenRa@1128
 993157c7-ee19-0410-b2c4-bb4e9862e678

---
 OpenRa.TechTreeTest/TechTree.cs | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/OpenRa.TechTreeTest/TechTree.cs b/OpenRa.TechTreeTest/TechTree.cs
index 67655f197b..85504056c1 100644
--- a/OpenRa.TechTreeTest/TechTree.cs
+++ b/OpenRa.TechTreeTest/TechTree.cs
@@ -89,5 +89,16 @@ namespace OpenRa.TechTreeTest
 
 			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;
+		}
 	}
 }