From 0116bf169aac23cd0829e69345092979cf8c8948 Mon Sep 17 00:00:00 2001
From: reaperrr <thereaperrr@aol.com>
Date: Sun, 14 Sep 2014 00:59:58 +0200
Subject: [PATCH] Upgrade rule for Wall -> BlocksBullets + Crushable transition

---
 OpenRA.Utility/UpgradeRules.cs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/OpenRA.Utility/UpgradeRules.cs b/OpenRA.Utility/UpgradeRules.cs
index 692033723b..6917c32c10 100644
--- a/OpenRA.Utility/UpgradeRules.cs
+++ b/OpenRA.Utility/UpgradeRules.cs
@@ -547,6 +547,22 @@ namespace OpenRA.Utility
 					}
 				}
 
+				// Replaced Wall with Crushable + BlocksBullets
+				if (engineVersion < 20140914)
+				{
+					if (depth == 0)
+					{
+						var actorTraits = node.Value.Nodes;
+						var wall = actorTraits.FirstOrDefault(t => t.Key == "Wall");
+						if (wall != null)
+							node.Value.Nodes.Add(new MiniYamlNode("BlocksBullets", new MiniYaml("")));
+
+						var blocksBullets = actorTraits.FirstOrDefault(t => t.Key == "BlocksBullets");
+						if (depth == 1 && node.Key == "Wall" && blocksBullets != null)
+							node.Key = "Crushable";
+					}
+				}
+
 				UpgradeActorRules(engineVersion, ref node.Value.Nodes, node, depth + 1);
 			}
 		}