From b220db4ebe9ab3b265c7239fc6e4a16f524632bc Mon Sep 17 00:00:00 2001
From: Leonard2 <hobbax3@gmail.com>
Date: Fri, 27 May 2016 23:32:23 +0200
Subject: [PATCH] Fixed: a layer's movements weren't interpolated in some cases

The old position members would be incorrectly updated if a layer sets another layer's offsets and this layer ticks before the other
---
 src/p_pspr.cpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/p_pspr.cpp b/src/p_pspr.cpp
index cc1deea0c..d918c40c5 100644
--- a/src/p_pspr.cpp
+++ b/src/p_pspr.cpp
@@ -219,6 +219,8 @@ void DPSprite::NewTick()
 			while (pspr)
 			{
 				pspr->processPending = true;
+				pspr->oldx = pspr->x;
+				pspr->oldy = pspr->y;
 
 				pspr = pspr->Next;
 			}
@@ -1328,9 +1330,6 @@ void player_t::TickPSprites()
 
 void DPSprite::Tick()
 {
-	oldx = x;
-	oldy = y;
-
 	if (processPending)
 	{
 		// drop tic count and possibly change state