From f7bff84ce29252602a1254f4c9f2143fc52811a5 Mon Sep 17 00:00:00 2001
From: beedee <beedee@993157c7-ee19-0410-b2c4-bb4e9862e678>
Date: Fri, 13 Jul 2007 17:20:57 +0000
Subject: [PATCH] git-svn-id: svn://svn.ijw.co.nz/svn/OpenRa@1212
 993157c7-ee19-0410-b2c4-bb4e9862e678

---
 OpenRa.Game/Sidebar.cs      | 12 ++++++------
 OpenRa.TechTree/TechTree.cs | 11 +++++++----
 rules.ini                   |  3 +++
 3 files changed, 16 insertions(+), 10 deletions(-)

diff --git a/OpenRa.Game/Sidebar.cs b/OpenRa.Game/Sidebar.cs
index fea0404f1d..9624010536 100644
--- a/OpenRa.Game/Sidebar.cs
+++ b/OpenRa.Game/Sidebar.cs
@@ -24,12 +24,12 @@ namespace OpenRa.Game
 		public Sidebar(Race race, Renderer renderer)
 		{
 			techTree.CurrentRace = race;
-			techTree.Build("FACT");
-			techTree.Build("POWR");
-			techTree.Build("BARR");
-			techTree.Build("PROC");
-			techTree.Build("WEAP");
-			techTree.Build("DOME");
+			techTree.Build("FACT", true);
+			//techTree.Build("POWR");
+			//techTree.Build("BARR");
+			//techTree.Build("PROC");
+			//techTree.Build("WEAP");
+			//techTree.Build("DOME");
 			this.renderer = renderer;
 			this.spriteRenderer = new SpriteRenderer(renderer);
 
diff --git a/OpenRa.TechTree/TechTree.cs b/OpenRa.TechTree/TechTree.cs
index e6144640cb..b695030a98 100644
--- a/OpenRa.TechTree/TechTree.cs
+++ b/OpenRa.TechTree/TechTree.cs
@@ -27,8 +27,6 @@ namespace OpenRa.TechTree
 		public TechTree()
 		{
 			LoadRules();
-
-			built.Add("FACT");
 			CheckAll();
 		}
 
@@ -65,15 +63,20 @@ namespace OpenRa.TechTree
 				objects.Add(p.a, new Item(p.a, p.b, rulesFile.GetSection(p.a), p.c));
 		}
 
-		public bool Build(string key)
+		public bool Build(string key, bool force)
 		{
 			Item b = objects[key];
-			if (!b.CanBuild) return false;
+			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)
 		{
 			Item b = objects[key];
diff --git a/rules.ini b/rules.ini
index 5750e949f0..790c53a82c 100644
--- a/rules.ini
+++ b/rules.ini
@@ -1670,6 +1670,7 @@ Crewed=yes
 
 ; sandbag wall
 [SBAG]
+Prerequisite=fact
 Strength=1
 Armor=none
 TechLevel=2
@@ -1682,6 +1683,7 @@ Adjacent=1
 
 ; concrete wall
 [BRIK]
+Prerequisite=fact
 Strength=1
 Armor=none
 TechLevel=8
@@ -1694,6 +1696,7 @@ Adjacent=1
 
 ; wire fence
 [FENC]
+Prerequisite=fact
 Strength=1
 Armor=none
 TechLevel=2