Function tiles_set_add_remove

plugins/burrow.cpp:392–410

}

static void tiles_set_add_remove(lua_State *L, bool do_set, bool enable) {
    df::burrow *target = get_burrow(L, 1);
    if (!target) {
        luaL_argerror(L, 1, "invalid burrow specifier or burrow not found");
        return;
    }

    if (do_set)
        Burrows::clearTiles(target);

    lua_pushnil(L);   // first key
    while (lua_next(L, 2)) {
        if (!lua_isstring(L, -1) || !setTilesByKeyword(target, luaL_checkstring(L, -1), enable)) {
            if (auto burrow = get_burrow(L, -1))
                copyTiles(target, burrow, enable);
        }
        lua_pop(L, 1);  // remove value, leave key
    }
}

static int burrow_tiles_set(lua_State *L) {
    color_ostream *out = Lua::GetOutput(L);