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Further improvements on MI's request, just to be safe.

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toaster 2019-07-28 22:53:27 +01:00
parent 1d799630af
commit 5dc095a47d
1 changed files with 7 additions and 4 deletions
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11
src/lua_baselib.c
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@ -2051,12 +2051,15 @@ static int lib_evCrumbleChain(lua_State *L)
ffloor_t *rover = NULL;
NOHUD
INLEVEL
if (lua_isuserdata(L, 2))
if (!lua_isnone(L, 2))
{
sec = *((sector_t **)luaL_checkudata(L, 1, META_SECTOR));
if (!lua_isnil(L, 1))
{
sec = *((sector_t **)luaL_checkudata(L, 1, META_SECTOR));
if (!sec)
return LUA_ErrInvalid(L, "sector_t");
}
rover = *((ffloor_t **)luaL_checkudata(L, 2, META_FFLOOR));
if (!sec)
return LUA_ErrInvalid(L, "sector_t");
}
else
rover = *((ffloor_t **)luaL_checkudata(L, 1, META_FFLOOR));