diff --git a/polymer/eduke32/source/actors.h b/polymer/eduke32/source/actors.h
index 4576339af..1a2f996a1 100644
--- a/polymer/eduke32/source/actors.h
+++ b/polymer/eduke32/source/actors.h
@@ -71,7 +71,6 @@ enum uactortypes_t {
     enemystayput
 };
 
-#pragma pack(push,1)
 
 #ifdef LUNATIC
 struct action {
@@ -83,8 +82,10 @@ struct move {
     int16_t hvel, vvel;
 };
 
+#pragma pack(push,1)
 typedef struct { int32_t id; struct move mv; } con_move_t;
 typedef struct { int32_t id; struct action ac; } con_action_t;
+#pragma pack(pop)
 #endif
 
 typedef struct {
@@ -102,6 +103,7 @@ typedef struct {
     int8_t filler[6]; // 6b
 } projectile_t;
 
+#pragma pack(push,1)
 // (+ 40 16 16 4 8 6 8 6 4 20)
 typedef struct {
     int32_t t_data[10];  // 40b sometimes used to hold offsets to con code
@@ -175,6 +177,7 @@ typedef struct {
     int16_t netIndex;
 
 } netactor_t;
+#pragma pack(pop)
 
 typedef struct {
 #if !defined LUNATIC
@@ -183,13 +186,12 @@ typedef struct {
 #endif
     uint32_t flags;    // formerly SpriteFlags, ActorType
 
-    int16_t cacherange; // formerly SpriteCache
+    int32_t cacherange; // formerly SpriteCache
 
     // todo: make this a pointer and allocate at runtime
     projectile_t defproj;
 } tiledata_t;
 
-#pragma pack(pop)
 
 // KEEPINSYNC lunatic/con_lang.lua
 enum sflags_t {
diff --git a/polymer/eduke32/source/duke3d.h b/polymer/eduke32/source/duke3d.h
index d74623474..11e97af02 100644
--- a/polymer/eduke32/source/duke3d.h
+++ b/polymer/eduke32/source/duke3d.h
@@ -57,7 +57,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #define VOLUMEONE           (g_Shareware == 1)
 
 // increase by 3, because atomic GRP adds 1, and Shareware adds 2
-#define BYTEVERSION_JF      270
+#define BYTEVERSION_JF      273
 
 #define BYTEVERSION_13      27
 #define BYTEVERSION_14      116
diff --git a/polymer/eduke32/source/lunatic/defs.ilua b/polymer/eduke32/source/lunatic/defs.ilua
index 0593532cc..90f143619 100644
--- a/polymer/eduke32/source/lunatic/defs.ilua
+++ b/polymer/eduke32/source/lunatic/defs.ilua
@@ -128,7 +128,7 @@ typedef struct {
 -- to make more 'const'), but still has array members exposed, so is unsuited
 -- for external exposure.
 local ACTOR_STRUCT = [[
-{
+__attribute__((packed)) struct {
     const int32_t t_data[10];  // 56b sometimes used to hold offsets to con code
     const struct move mv;
     const struct action ac;
@@ -165,7 +165,7 @@ bcarray.new("int16_t", ffiC.MAX_WEAPONS, "weapon", "int16_x_MAX_WEAPONS")
 bcarray.new("int16_t", ffiC.GET_MAX, "inventory", "int16_x_GET_MAX")
 
 local DUKEPLAYER_STRUCT = [[
-{
+__attribute__((packed)) struct {
     vec3_t pos, opos, vel, npos;
     int32_t bobposx, bobposy;
     int32_t truefz, truecz, player_par;
@@ -291,17 +291,8 @@ end
 local con_lang = require("con_lang")
 
 ffi.cdef([[
-#pragma pack(push, 1)
-typedef struct
-]].. mangle_arrays(ACTOR_STRUCT) ..[[
-actor_t;
-
 typedef struct { int32_t _p; } weaponaccess_t;
 
-typedef struct
-]].. mangle_arrays(DUKEPLAYER_STRUCT) ..[[
-DukePlayer_t;
-
 typedef struct {
     uint32_t bits; // 4b
     int16_t fvel, svel; // 4b
@@ -309,6 +300,15 @@ typedef struct {
     int8_t extbits, filler; // 2b
 } input_t;
 
+#pragma pack(push, 1)
+typedef
+]].. mangle_arrays(ACTOR_STRUCT) ..[[
+actor_t;
+
+typedef
+]].. mangle_arrays(DUKEPLAYER_STRUCT) ..[[
+DukePlayer_t;
+
 typedef struct {
     DukePlayer_t *ps;
     input_t *sync;
@@ -322,6 +322,7 @@ typedef struct {
     char user_name[32];
     uint32_t revision;
 } playerdata_t;
+#pragma pack(pop)
 
 typedef struct {
     int32_t cur, count;
@@ -347,12 +348,9 @@ typedef struct {
 
 typedef struct {
     uint32_t flags;
-
-    int16_t cacherange;
-
+    int32_t cacherange;
     projectile_t defproj;
 } tiledata_t;
-#pragma pack(pop)
 
 typedef struct {
     vec3_t pos;
@@ -361,7 +359,6 @@ typedef struct {
     int16_t sect;
 } camera_t;
 
-// NOTE: not packed!
 typedef struct {
 ]] .. table.concat(con_lang.wdata_members, ';')..';' .. [[
 } weapondata_t;
@@ -617,8 +614,8 @@ local function check_literal_am(am, typename)
 end
 
 -- An unrestricted actor_t pointer, for internal use:
-local actor_ptr_ct = ffi.typeof("$ *", ffi.typeof("struct"..strip_const(ACTOR_STRUCT)))
-local player_ptr_ct = ffi.typeof("$ *", ffi.typeof("struct"..strip_const(DUKEPLAYER_STRUCT)))
+local actor_ptr_ct = ffi.typeof("$ *", ffi.typeof(strip_const(ACTOR_STRUCT)))
+local player_ptr_ct = ffi.typeof("$ *", ffi.typeof(strip_const(DUKEPLAYER_STRUCT)))
 local con_action_ct = ffi.typeof("con_action_t")
 local con_move_ct = ffi.typeof("con_move_t")
 local con_ai_ct = ffi.typeof("con_ai_t")
diff --git a/polymer/eduke32/source/player.h b/polymer/eduke32/source/player.h
index 564e195fa..8520980b6 100644
--- a/polymer/eduke32/source/player.h
+++ b/polymer/eduke32/source/player.h
@@ -135,7 +135,6 @@ enum playeraction_t {
     pfacing                     = 0x00010000
 };
 
-#pragma pack(push,1)
 typedef struct {
     int32_t ox,oy,oz;
     int16_t oa,os;
@@ -149,6 +148,14 @@ typedef struct {
     char inven_icon, jetpack_on, heat_on;
 } DukeStatus_t;
 
+typedef struct {
+    uint32_t bits; // 4b
+    int16_t fvel, svel; // 4b
+    int8_t avel, horz; // 2b
+    int8_t extbits, filler; // 2b
+} input_t;
+
+#pragma pack(push,1)
 // XXX: r1625 changed a lot types here, among others
 //  * int32_t --> int16_t
 //  * int16_t --> int8_t
@@ -231,13 +238,6 @@ typedef struct {
     int8_t padding_;
 } DukePlayer_t;
 
-typedef struct {
-    uint32_t bits; // 4b
-    int16_t fvel, svel; // 4b
-    int8_t avel, horz; // 2b
-    int8_t extbits, filler; // 2b
-} input_t;
-
 // KEEPINSYNC lunatic/defs.ilua
 typedef struct {
     DukePlayer_t *ps;
@@ -316,11 +316,9 @@ typedef struct {
     int32_t shade;
 } hudweapon_t;
 
-#pragma pack(push,1)
 extern input_t          inputfifo[MOVEFIFOSIZ][MAXPLAYERS];
 extern playerspawn_t    g_playerSpawnPoints[MAXPLAYERS];
 extern playerdata_t     g_player[MAXPLAYERS];
-#pragma pack(pop)
 //extern char             dashow2dsector[(MAXSECTORS+7)>>3];
 //extern int16_t          searchsect[MAXSECTORS],searchparent[MAXSECTORS];
 extern int16_t          WeaponPickupSprites[MAX_WEAPONS];