diff --git a/src/d_netcmd.c b/src/d_netcmd.c
index 3a8013c12..52cc7c211 100644
--- a/src/d_netcmd.c
+++ b/src/d_netcmd.c
@@ -547,6 +547,7 @@ consvar_t cv_autobalance = CVAR_INIT ("autobalance", "Off", CV_SAVE|CV_NETVAR|CV
 consvar_t cv_teamscramble = CVAR_INIT ("teamscramble", "Off", CV_SAVE|CV_NETVAR|CV_CALL|CV_NOINIT, teamscramble_cons_t, TeamScramble_OnChange);
 consvar_t cv_scrambleonchange = CVAR_INIT ("scrambleonchange", "Off", CV_SAVE|CV_NETVAR, teamscramble_cons_t, NULL);
 
+consvar_t cv_friendlyfire = CVAR_INIT ("friendlyfire", "Off", CV_NETVAR|CV_NOSHOWHELP, CV_OnOff, NULL);
 consvar_t cv_itemfinder = CVAR_INIT ("itemfinder", "Off", CV_CALL|CV_NOSHOWHELP, CV_OnOff, ItemFinder_OnChange);
 
 // Scoring type options
@@ -837,6 +838,7 @@ void D_RegisterServerCommands(void)
 	CV_RegisterVar(&cv_itemrespawn);
 
 	// misc
+	CV_RegisterVar(&cv_friendlyfire);
 	CV_RegisterVar(&cv_pointlimit);
 	CV_RegisterVar(&cv_numlaps);
 
diff --git a/src/lua_baselib.c b/src/lua_baselib.c
index 7d1abb725..352a13faa 100644
--- a/src/lua_baselib.c
+++ b/src/lua_baselib.c
@@ -1168,6 +1168,26 @@ static int lib_pSpawnShadowMobj(lua_State *L)
 // P_USER
 ////////////
 
+static int lib_pGetPlayerHeight(lua_State *L)
+{
+	player_t *player = *((player_t **)luaL_checkudata(L, 1, META_PLAYER));
+	//HUDSAFE
+	if (!player)
+		return LUA_ErrInvalid(L, "player_t");
+	lua_pushfixed(L, P_GetPlayerHeight(player));
+	return 1;
+}
+
+static int lib_pGetPlayerSpinHeight(lua_State *L)
+{
+	player_t *player = *((player_t **)luaL_checkudata(L, 1, META_PLAYER));
+	//HUDSAFE
+	if (!player)
+		return LUA_ErrInvalid(L, "player_t");
+	lua_pushfixed(L, P_GetPlayerSpinHeight(player));
+	return 1;
+}
+
 static int lib_pAddPlayerScore(lua_State *L)
 {
 	player_t *player = *((player_t **)luaL_checkudata(L, 1, META_PLAYER));
@@ -4165,6 +4185,8 @@ static luaL_Reg lib[] = {
 	{"P_SpawnShadowMobj",lib_pSpawnShadowMobj},
 
 	// p_user
+	{"P_GetPlayerHeight",lib_pGetPlayerHeight},
+	{"P_GetPlayerSpinHeight",lib_pGetPlayerSpinHeight},
 	{"P_AddPlayerScore",lib_pAddPlayerScore},
 	{"P_PlayerInPain",lib_pPlayerInPain},
 	{"P_ResetPlayer",lib_pResetPlayer},
diff --git a/src/lua_hudlib.c b/src/lua_hudlib.c
index 2cd3e4592..5419566df 100644
--- a/src/lua_hudlib.c
+++ b/src/lua_hudlib.c
@@ -1059,10 +1059,25 @@ static int libd_getColormap(lua_State *L)
 	else if (lua_type(L, 1) == LUA_TNUMBER) // skin number
 	{
 		skinnum = (INT32)luaL_checkinteger(L, 1);
-		if (skinnum >= MAXSKINS)
-			return luaL_error(L, "skin number %d is out of range (>%d)", skinnum, MAXSKINS-1);
-		else if (skinnum < 0 && skinnum > TC_DEFAULT)
-			return luaL_error(L, "translation colormap index is out of range");
+
+		if (lua_compatmode)
+		{
+			if (skinnum >= MAXSKINS)
+				return luaL_error(L, "skin number %d is out of range (>%d)", skinnum, MAXSKINS-1);
+			else if (skinnum < 0 && skinnum > TC_DEFAULT)
+			{
+				// Why clamp you wonder? Using OG v1's trick causes a sigsev :p
+				skinnum = CLAMP(skinnum, 0, TC_DEFAULT);
+			}
+		}
+		else
+		{
+			if (skinnum >= MAXSKINS)
+				return luaL_error(L, "skin number %d is out of range (>%d)", skinnum, MAXSKINS-1);
+			else if (skinnum < 0 && skinnum > TC_DEFAULT)
+				return luaL_error(L, "translation colormap index is out of range");
+		}
+
 	}
 	else // skin name
 	{
diff --git a/src/p_local.h b/src/p_local.h
index 25c9c94c4..4076b7a87 100644
--- a/src/p_local.h
+++ b/src/p_local.h
@@ -178,6 +178,8 @@ boolean P_PlayerInPain(player_t *player);
 void P_ResetPlayer(player_t *player);
 boolean P_PlayerCanDamage(player_t *player, mobj_t *thing);
 
+fixed_t P_GetPlayerHeight(player_t *player);
+fixed_t P_GetPlayerSpinHeight(player_t *player);
 boolean P_IsLocalPlayer(player_t *player);
 boolean P_IsMachineLocalPlayer(player_t *player);
 boolean P_IsDisplayPlayer(player_t *player);
diff --git a/src/p_user.c b/src/p_user.c
index 89d278171..87adc94c1 100644
--- a/src/p_user.c
+++ b/src/p_user.c
@@ -1076,6 +1076,28 @@ void P_SetObjectMomZ(mobj_t *mo, fixed_t value, boolean relative)
 		mo->momz = value;
 }
 
+//
+// P_GetPlayerHeight
+//
+// Returns the height
+// of the player.
+//
+fixed_t P_GetPlayerHeight(player_t *player)
+{
+	return FixedMul(player->mo->info->height, player->mo->scale);
+}
+
+//
+// P_GetPlayerSpinHeight
+//
+// Returns the 'spin height'
+// of the player.
+//
+fixed_t P_GetPlayerSpinHeight(player_t *player)
+{
+	return FixedMul(FixedMul(player->mo->info->height, player->mo->scale),2*FRACUNIT/3);
+}
+
 //
 // P_IsMachineLocalPlayer
 //