Method Push

library/LuaApi.cpp:398–443

static int DFHACK_MATINFO_TOKEN = 0;

void Lua::Push(lua_State *state, const MaterialInfo &info)
{
    if (!info.isValid())
    {
        lua_pushnil(state);
        return;
    }

    lua_newtable(state);
    lua_rawgetp(state, LUA_REGISTRYINDEX, &DFHACK_MATINFO_TOKEN);
    lua_setmetatable(state, -2);

    lua_pushinteger(state, info.type);
    lua_setfield(state, -2, "type");
    lua_pushinteger(state, info.index);
    lua_setfield(state, -2, "index");

#define SETOBJ(name) { \
    Lua::PushDFObject(state, info.name); \
    lua_setfield(state, -2, #name); \
}
    SETOBJ(material);
    if (info.plant) SETOBJ(plant);
    if (info.creature) SETOBJ(creature);
    if (info.inorganic) SETOBJ(inorganic);
    if (info.figure) SETOBJ(figure);
#undef SETOBJ

    if (info.mode != MaterialInfo::Builtin)
    {
        lua_pushinteger(state, info.subtype);
        lua_setfield(state, -2, "subtype");
    }

    const char *id = "builtin";
    switch (info.mode)
    {
        case MaterialInfo::Plant: id = "plant"; break;
        case MaterialInfo::Creature: id = "creature"; break;
        case MaterialInfo::Inorganic: id = "inorganic"; break;
        default: break;
    }

    lua_pushstring(state, id);
    lua_setfield(state, -2, "mode");
}

static int dfhack_matinfo_find(lua_State *state)
{