From b7c822d20870b2be74eea07e725fc9ab7055774a Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <c.oelckers@zdoom.fake>
Date: Fri, 23 Sep 2016 23:47:25 +0200
Subject: [PATCH] - fixed secplane_t serializer. It passed incorrect defaults
 to the sub-serializers and calculated negiC wrong.

---
 src/p_saveg.cpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/p_saveg.cpp b/src/p_saveg.cpp
index 80c55fecc..465760137 100644
--- a/src/p_saveg.cpp
+++ b/src/p_saveg.cpp
@@ -201,13 +201,13 @@ FSerializer &Serialize(FSerializer &arc, const char *key, secplane_t &p, secplan
 
 	if (arc.BeginObject(key))
 	{
-		arc("normal", p.normal, def->normal)
-			("d", p.D, def->D)
-			.EndObject();
+		Serialize(arc, "normal", p.normal, def ? &def->normal : nullptr);
+		Serialize(arc, "d", p.D, def ? &def->D : nullptr);
+		arc.EndObject();
 
 		if (arc.isReading() && p.normal.Z != 0)
 		{
-			p.negiC = 1 / p.normal.Z;
+			p.negiC = -1 / p.normal.Z;
 		}
 	}
 	return arc;