Function get_tile_zone

plugins/blueprint.cpp:1323–1369

}

static const char * get_tile_zone(color_ostream &out, const df::coord &pos, const tile_context &ctx) {
    vector<df::building_civzonest*> civzones;
    if (!Buildings::findCivzonesAt(&civzones, pos))
        return NULL;

    // we can handle overlapping zones in a single blueprint, but only if one of
    // the following is true:
    // -- they exactly overlap (even if they aren't rectangular)
    // -- no two non-rectangular zones overlap

    // for a first implementation, we will only handle overlapping zones if they
    // are rectangular and have different upper-left corners. if this is the upper
    // left corner of a rectangular zone, we will output for that zone. otherwise,
    // if this pos is interior to all zones, then it doesn't matter which we choose.

    df::building_civzonest * primary_zone = civzones[0];
    df::coord upper_left_corner;

    if (civzones.size() == 1) {
        upper_left_corner = get_first_tile(primary_zone);
    } else if (civzones.size() > 1) {
        for (auto zone : civzones) {
            if (!is_rectangular(zone))
                continue;
            primary_zone = zone;
            upper_left_corner = get_first_tile(zone);
            if (pos == upper_left_corner)
                break;
        }
    }

    bool rectangular = is_rectangular(primary_zone);
    bool is_first_tile = pos == upper_left_corner;
    ostringstream keys;

    if (!rectangular) {
        get_zone_keys(out, keys, primary_zone, true, is_first_tile);
        return cache(quotify_outer(keys));
    }

    if (!is_first_tile)
        return if_pretty(ctx, "`");

    get_zone_keys(out, keys, primary_zone, false, true);
    add_expansion_syntax(primary_zone, keys);
    return cache(quotify_outer(keys));
}

static bool create_output_dir(color_ostream &out,
                              const blueprint_options &opts) {