diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 267012b7d..1289c95a3 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1164,7 +1164,6 @@ set (PCH_SOURCES
 	g_shared/a_morph.cpp
 	g_shared/a_quake.cpp
 	g_shared/a_skies.cpp
-	g_shared/a_soundenvironment.cpp
 	g_shared/a_soundsequence.cpp
 	g_shared/a_specialspot.cpp
 	g_shared/hudmessages.cpp
diff --git a/src/g_shared/a_soundenvironment.cpp b/src/g_shared/a_soundenvironment.cpp
deleted file mode 100644
index 25088ae44..000000000
--- a/src/g_shared/a_soundenvironment.cpp
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
-** a_soundenvironment.cpp
-** Actor that controls the reverb settings in its zone
-**
-**---------------------------------------------------------------------------
-** Copyright 1998-2006 Randy Heit
-** All rights reserved.
-**
-** Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions
-** are met:
-**
-** 1. Redistributions of source code must retain the above copyright
-**    notice, this list of conditions and the following disclaimer.
-** 2. Redistributions in binary form must reproduce the above copyright
-**    notice, this list of conditions and the following disclaimer in the
-**    documentation and/or other materials provided with the distribution.
-** 3. The name of the author may not be used to endorse or promote products
-**    derived from this software without specific prior written permission.
-**
-** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
-** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
-** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
-** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
-** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
-** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-**---------------------------------------------------------------------------
-**
-*/
-
-#include "info.h"
-#include "r_defs.h"
-#include "s_sound.h"
-#include "r_state.h"
-
-class ASoundEnvironment : public AActor
-{
-	DECLARE_CLASS (ASoundEnvironment, AActor)
-public:
-	void PostBeginPlay ();
-	void Deactivate (AActor *activator);
-	void Activate (AActor *deactivator);
-};
-
-IMPLEMENT_CLASS(ASoundEnvironment, false, false)
-
-void ASoundEnvironment::PostBeginPlay ()
-{
-	Super::PostBeginPlay ();
-	if (!(flags2 & MF2_DORMANT))
-	{
-		CallActivate (this);
-	}
-}
-
-void ASoundEnvironment::Activate (AActor *activator)
-{
-	Zones[Sector->ZoneNumber].Environment = S_FindEnvironment ((args[0]<<8) | (args[1]));
-}
-
-// Deactivate just exists so that you can flag the thing as dormant in an editor
-// and not have it take effect. This is so you can use multiple environments in
-// a single zone, with only one set not-dormant, so you know which one will take
-// effect at the start.
-void ASoundEnvironment::Deactivate (AActor *deactivator)
-{
-	flags2 |= MF2_DORMANT;
-}
diff --git a/src/p_sectors.cpp b/src/p_sectors.cpp
index 5c14d56a0..b1385b079 100644
--- a/src/p_sectors.cpp
+++ b/src/p_sectors.cpp
@@ -1837,6 +1837,22 @@ DEFINE_ACTION_FUNCTION(_Sector, NextLowestFloorAt)
 	ACTION_RETURN_INT(ndx);
  }
 
+ DEFINE_ACTION_FUNCTION(_Sector, SetEnvironmentID)
+ {
+	 PARAM_SELF_STRUCT_PROLOGUE(sector_t);
+	 PARAM_INT(envnum);
+	 Zones[self->ZoneNumber].Environment = S_FindEnvironment(envnum);
+	 return 0;
+ }
+
+ DEFINE_ACTION_FUNCTION(_Sector, SetEnvironment)
+ {
+	 PARAM_SELF_STRUCT_PROLOGUE(sector_t);
+	 PARAM_STRING(env);
+	 Zones[self->ZoneNumber].Environment = S_FindEnvironment(env);
+	 return 0;
+ }
+
  //===========================================================================
  //
  //  line_t exports
diff --git a/wadsrc/static/zscript/base.txt b/wadsrc/static/zscript/base.txt
index f0e280623..3a1576b0d 100644
--- a/wadsrc/static/zscript/base.txt
+++ b/wadsrc/static/zscript/base.txt
@@ -389,7 +389,7 @@ struct Sector native
 	native int16 		damageinterval;
 	native int16 		leakydamage;
 
-	native uint16		ZoneNumber;
+	native readonly uint16	ZoneNumber;
 	
 	enum ESectorMoreFlags
 	{
@@ -531,6 +531,8 @@ struct Sector native
 	native double, Vertex FindLowestCeilingPoint();
 	native double, Vertex FindHighestFloorPoint();
 
+	native void SetEnvironment(String env);
+	native void SetEnvironmentID(int envnum);
 
 	 bool isSecret()
 	 {
diff --git a/wadsrc/static/zscript/shared/soundenvironment.txt b/wadsrc/static/zscript/shared/soundenvironment.txt
index 2a4d66adb..d7317bcbf 100644
--- a/wadsrc/static/zscript/shared/soundenvironment.txt
+++ b/wadsrc/static/zscript/shared/soundenvironment.txt
@@ -1,5 +1,5 @@
 
-class SoundEnvironment : Actor native
+class SoundEnvironment : Actor
 {
 	default
 	{
@@ -8,5 +8,28 @@ class SoundEnvironment : Actor native
 		+NOGRAVITY
 		+DONTSPLASH
 	}
-}
+	
+	override void PostBeginPlay ()
+	{
+		Super.PostBeginPlay ();
+		if (!bDormant)
+		{
+			Activate (self);
+		}
+	}
 
+	override void Activate (Actor activator)
+	{
+		CurSector.SetEnvironmentID((args[0]<<8) | (args[1]));
+	}
+
+	// Deactivate just exists so that you can flag the thing as dormant in an editor
+	// and not have it take effect. This is so you can use multiple environments in
+	// a single zone, with only one set not-dormant, so you know which one will take
+	// effect at the start.
+	override void Deactivate (Actor deactivator)
+	{
+		bDormant = true;
+	}
+	
+}