From 435643b958de61a9630b131804147a3a80eefaa0 Mon Sep 17 00:00:00 2001 From: Louis-Antoine <lamr@free.fr> Date: Mon, 18 May 2020 16:16:45 +0200 Subject: [PATCH] Fix P_GetZAt for Lua --- src/lua_baselib.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/src/lua_baselib.c b/src/lua_baselib.c index 519801f2f6..d56f49a5b0 100644 --- a/src/lua_baselib.c +++ b/src/lua_baselib.c @@ -2184,16 +2184,18 @@ static int lib_evStartCrumble(lua_State *L) static int lib_pGetZAt(lua_State *L) { - pslope_t *slope = *((pslope_t **)luaL_checkudata(L, 1, META_SLOPE)); fixed_t x = luaL_checkfixed(L, 2); fixed_t y = luaL_checkfixed(L, 3); //HUDSAFE - if (slope) - lua_pushfixed(L, P_GetSlopeZAt(slope, x, y)); - else + if (lua_isnil(L, 1)) { fixed_t z = luaL_checkfixed(L, 4); - lua_pushfixed(L, P_GetZAt(slope, x, y, z)); + lua_pushfixed(L, P_GetZAt(NULL, x, y, z)); + } + else + { + pslope_t *slope = *((pslope_t **)luaL_checkudata(L, 1, META_SLOPE)); + lua_pushfixed(L, P_GetSlopeZAt(slope, x, y)); } return 1; -- GitLab