Function lua_parseMatDef

plugins/rendermax/renderer_light.cpp:932–962

    if(!lua_isnil(L,-1) && lua_isnumber(L,-1))field=lua_tonumber(L,-1);\
    lua_pop(L,1)
matLightDef lua_parseMatDef(lua_State* L)
{

    matLightDef ret;
    lua_getfield(L,-1,"tr");
    if((ret.isTransparent=!lua_isnil(L,-1)))
    {
        ret.transparency=lua_parseLightCell(L);
    }
    lua_pop(L,1);

    lua_getfield(L,-1,"em");
    if((ret.isEmiting=!lua_isnil(L,-1)))
    {
        ret.emitColor=lua_parseLightCell(L);
        lua_pop(L,1);
        lua_getfield(L,-1,"rad");
        if(lua_isnil(L,-1))
        {
            lua_pop(L,1);
            luaL_error(L,"Material has emittance but no radius");
        }
        else
            ret.radius=lua_tonumber(L,-1);
        lua_pop(L,1);
    }
    else
        lua_pop(L,1);
    GETLUAFLAG(ret.flicker,"flicker");
    return ret;
}
int lightingEngineViewscreen::parseMaterials(lua_State* L)
{
    auto engine= (lightingEngineViewscreen*)lua_touserdata(L, 1);