From d797415745ba2344d5e1964dfbe6b797cbf2211d Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <coelckers@zdoom.fake>
Date: Tue, 2 Feb 2016 11:58:00 +0100
Subject: [PATCH] - fixed: dynamic lights did not relink themselves when their
 position changed.

---
 src/actor.h                     |  2 +-
 src/gl/dynlights/a_dynlight.cpp | 13 +++++++++++++
 src/gl/dynlights/gl_dynlight.h  |  3 ++-
 3 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/src/actor.h b/src/actor.h
index 700999b51..4cc4e2de4 100644
--- a/src/actor.h
+++ b/src/actor.h
@@ -1186,7 +1186,7 @@ public:
 	void LinkToWorld (sector_t *sector);
 	void UnlinkFromWorld ();
 	void AdjustFloorClip ();
-	void SetOrigin (fixed_t x, fixed_t y, fixed_t z, bool moving = false);
+	virtual void SetOrigin (fixed_t x, fixed_t y, fixed_t z, bool moving = false);
 	bool InStateSequence(FState * newstate, FState * basestate);
 	int GetTics(FState * newstate);
 	bool SetState (FState *newstate, bool nofunction=false);
diff --git a/src/gl/dynlights/a_dynlight.cpp b/src/gl/dynlights/a_dynlight.cpp
index 9a13d9e09..3e1cace46 100644
--- a/src/gl/dynlights/a_dynlight.cpp
+++ b/src/gl/dynlights/a_dynlight.cpp
@@ -384,6 +384,19 @@ void ADynamicLight::UpdateLocation()
 //
 //
 //==========================================================================
+
+void ADynamicLight::SetOrigin(fixed_t x, fixed_t y, fixed_t z, bool moving)
+{
+	Super::SetOrigin(x, y, z, moving);
+	LinkLight();
+}
+
+//==========================================================================
+//
+//
+//
+//==========================================================================
+
 void ADynamicLight::SetOffset(fixed_t x, fixed_t y, fixed_t z)
 {
 	m_offX = x;
diff --git a/src/gl/dynlights/gl_dynlight.h b/src/gl/dynlights/gl_dynlight.h
index 568630898..c78a0c927 100644
--- a/src/gl/dynlights/gl_dynlight.h
+++ b/src/gl/dynlights/gl_dynlight.h
@@ -81,7 +81,8 @@ public:
 	void UnlinkLight();
 	size_t PointerSubstitution (DObject *old, DObject *notOld);
 
-	virtual void BeginPlay();
+	void BeginPlay();
+	void SetOrigin (fixed_t x, fixed_t y, fixed_t z, bool moving = false);
 	void PostBeginPlay();
 	void Destroy();
 	void Activate(AActor *activator);