From 4f388c3589292bb7305760770eef623d6c22b8c6 Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <coelckers@users.noreply.github.com>
Date: Tue, 13 Dec 2022 13:46:30 +0100
Subject: [PATCH] - fixed bad direction setup for vertically moving SE 0.

This also adds missing interpolation for this case.
---
 source/games/duke/src/actors.cpp | 2 +-
 source/games/duke/src/spawn.cpp  | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/source/games/duke/src/actors.cpp b/source/games/duke/src/actors.cpp
index 95cc57852..329ff1335 100644
--- a/source/games/duke/src/actors.cpp
+++ b/source/games/duke/src/actors.cpp
@@ -727,7 +727,7 @@ void handle_se00(DDukeActor* actor)
 			if (sect->floorz > actor->spr.pos.Z) //z's are touching
 			{
 				sect->addfloorz(-2);
-				zchange =  2;
+				zchange =  -2;
 				if (sect->floorz < actor->spr.pos.Z)
 					sect->setfloorz(actor->spr.pos.Z);
 			}
diff --git a/source/games/duke/src/spawn.cpp b/source/games/duke/src/spawn.cpp
index 85cf13e12..178ff8041 100644
--- a/source/games/duke/src/spawn.cpp
+++ b/source/games/duke/src/spawn.cpp
@@ -863,6 +863,7 @@ void spawneffector(DDukeActor* actor, TArray<DDukeActor*>* actors)
 		case SE_15_SLIDING_DOOR:
 		case SE_16_REACTOR:
 		case SE_26:
+			if(actor->spr.lotag == SE_0_ROTATING_SECTOR) StartInterpolation(actor->sector(), Interp_Sect_Floorz);
 			setsectinterpolate(actor->sector());
 			break;