diff --git a/source/games/sw/src/bunny.cpp b/source/games/sw/src/bunny.cpp
index 508169a75..4d29e61a6 100644
--- a/source/games/sw/src/bunny.cpp
+++ b/source/games/sw/src/bunny.cpp
@@ -35,6 +35,7 @@ Prepared for public release: 03/28/2005 - Charlie Wiederhold, 3D Realms
 #include "sprite.h"
 #include "weapon.h"
 #include "misc.h"
+#include "texinfo.h"
 
 BEGIN_SW_NS
 
@@ -1306,26 +1307,16 @@ int DoBunnyMove(DSWActor* actor)
 
     if (RandomRange(1000) > 985 && actor->spr.pal != PALETTE_PLAYER1 && actor->user.track < 0)
     {
-        switch (actor->sector()->floorpicnum)
+        if (tileflags(actor->sector()->floortexture()) & TFLAG_BUNNYFRIENDLY)
+        {
+            NewStateGroup(actor, sg_BunnyStand);
+        }
+        else
         {
-        case 153:
-        case 154:
-        case 193:
-        case 219:
-        case 2636:
-        case 2689:
-        case 3561:
-        case 3562:
-        case 3563:
-        case 3564:
-            NewStateGroup(actor,sg_BunnyStand);
-            break;
-        default:
 			actor->spr.Angles.Yaw = RandomAngle();
             actor->user.jump_speed = -350;
             DoActorBeginJump(actor);
             actor->user.ActorActionFunc = DoActorMoveJump;
-            break;
         }
     }
 
@@ -1375,24 +1366,14 @@ int DoBunnyEat(DSWActor* actor)
 
     DoActorSectorDamage(actor);
 
-    switch (actor->sector()->floorpicnum)
+    if (tileflags(actor->sector()->floortexture()) & TFLAG_BUNNYFRIENDLY)
     {
-    case 153:
-    case 154:
-    case 193:
-    case 219:
-    case 2636:
-    case 2689:
-    case 3561:
-    case 3562:
-    case 3563:
-    case 3564:
         if (RandomRange(1000) > 970)
-            NewStateGroup(actor,sg_BunnyRun);
-        break;
-    default:
+            NewStateGroup(actor, sg_BunnyRun);
+    }
+    else
+    {
         NewStateGroup(actor,sg_BunnyRun);
-        break;
     }
     return 0;
 }
diff --git a/source/games/sw/src/copysect.cpp b/source/games/sw/src/copysect.cpp
index 30b3cd84c..1d0052f1a 100644
--- a/source/games/sw/src/copysect.cpp
+++ b/source/games/sw/src/copysect.cpp
@@ -227,7 +227,7 @@ void CopySectorMatch(int match)
                 dsectp->floorshade = ssectp->floorshade;
                 dsectp->ceilingshade = ssectp->ceilingshade;
 
-                dsectp->floorpicnum = ssectp->floorpicnum;
+                dsectp->setfloortexture(ssectp->floortexture());
                 dsectp->setceilingtexture(ssectp->ceilingtexture());
 
                 dsectp->floorheinum = ssectp->floorheinum;
diff --git a/source/games/sw/src/game.h b/source/games/sw/src/game.h
index d4ce319f6..2956b1bdf 100644
--- a/source/games/sw/src/game.h
+++ b/source/games/sw/src/game.h
@@ -882,6 +882,10 @@ enum
     SPRX_BOOL10 = (BIT(15)),
 };
 
+enum ETexFlags
+{
+    TFLAG_BUNNYFRIENDLY = 1, // bunnies like to stay in sectors with this as floor.
+};
 
 // User->Flags flags
 enum
diff --git a/source/games/sw/src/namelist.h b/source/games/sw/src/namelist.h
index c279c1f3d..c84c213cb 100644
--- a/source/games/sw/src/namelist.h
+++ b/source/games/sw/src/namelist.h
@@ -301,3 +301,15 @@ x(COMPASS_MID_TIC2, 2391)
 x(FAF_PORTAL, 341)
 x(FAF_PORTAL2, 342)
 x(SYBEXSCREEN, 5261)
+
+// stuff bunnies like
+x(DARKGRASS, 153)  
+x(BRIGHTGRASS, 154)  
+x(MOSS, 193)  
+x(GRASSSTONE, 219)  
+x(GRASSQUARRY, 2636) 
+x(DRYGRASS, 2689) 
+x(LAWN, 3561) 
+x(SAND, 3562) 
+x(FLOWERLAWN, 3563) 
+x(THINGRASS, 3564) 
diff --git a/wadsrc/static/filter/shadowwarrior/constants.mi b/wadsrc/static/filter/shadowwarrior/constants.mi
new file mode 100644
index 000000000..5e9286ae0
--- /dev/null
+++ b/wadsrc/static/filter/shadowwarrior/constants.mi
@@ -0,0 +1,8 @@
+// Global constants for SW
+
+constants
+{
+	// texture flags
+	TFLAG_BUNNYFRIENDLY			= 1
+}
+
diff --git a/wadsrc/static/filter/shadowwarrior/rmapinfo.texflags b/wadsrc/static/filter/shadowwarrior/rmapinfo.texflags
new file mode 100644
index 000000000..d40abf0fd
--- /dev/null
+++ b/wadsrc/static/filter/shadowwarrior/rmapinfo.texflags
@@ -0,0 +1,17 @@
+include "constants.mi"
+
+
+textureflags
+{
+	TFLAG_BUNNYFRIENDLY = 
+		DARKGRASS,
+		BRIGHTGRASS,
+		MOSS,
+		GRASSSTONE,
+		GRASSQUARRY,
+		DRYGRASS,
+		LAWN,
+		SAND,
+		FLOWERLAWN,
+		THINGRASS
+}
diff --git a/wadsrc/static/zscript/games/sw/swgame.zs b/wadsrc/static/zscript/games/sw/swgame.zs
index a9f195741..8556bd136 100644
--- a/wadsrc/static/zscript/games/sw/swgame.zs
+++ b/wadsrc/static/zscript/games/sw/swgame.zs
@@ -117,6 +117,11 @@ struct SW native
 		INVF_COUNT = 4
 	}
 
+	enum ETexFlags // texture flags
+	{
+		TFLAG_BUNNYFRIENDLY = 1,
+	};
+
 	native static void PlaySound(int sound, int flags, int channel = CHAN_AUTO, int cflags = 0);
 	native static void StopSound();
 	native static bool IsSoundPlaying(int channel); //  soundEngine.IsSourcePlayingSomething(SOURCE_None, nullptr, CHAN_VOICE))