Function scanAvailableItems

plugins/buildingplan/buildingplan.cpp:652–705

}

static int scanAvailableItems(color_ostream &out, df::building_type type, int16_t subtype,
        int32_t custom, int index, bool ignore_filters, bool ignore_quality, HeatSafety *heat_override = NULL,
        vector<int> *item_ids = NULL, map<MaterialInfo, int32_t> *counts = NULL)
{
    DEBUG(control,out).print(
            "entering scanAvailableItems building_type={} subtype={} custom={} index={}\n",
            ENUM_AS_STR(type), subtype, custom, index);
    BuildingTypeKey key(type, subtype, custom);
    HeatSafety heat = heat_override ? *heat_override : get_heat_safety_filter(key);
    auto &job_items = get_job_items(out, key);
    if (index < 0 || job_items.size() <= (size_t)index)
        return 0;
    auto &item_filters = get_item_filters(out, key);
    auto &filters = item_filters.getItemFilters();
    auto &specials = item_filters.getSpecials();

    auto &jitem = job_items[index];
    auto vector_ids = getVectorIds(out, jitem, ignore_filters);

    ItemFilter filter = filters[index];
    set<string> special = specials;
    if (ignore_filters || counts) {
        // don't filter by material; we want counts for all materials
        filter.setMaterialMask(0);
        filter.setMaterials(set<MaterialInfo>());
        special.clear();
    }
    if (ignore_quality) {
        filter.setMinQuality(df::item_quality::Ordinary);
        filter.setMaxQuality(df::item_quality::Artifact);
    }

    update_walkability_groups(); // ensure that itemPassesScreen is accurate

    int count = 0;
    for (auto vector_id : vector_ids) {
        auto other_id = ENUM_ATTR(job_item_vector_id, other, vector_id);
        for (auto &item : df::global::world->items.other[other_id]) {
            if (itemPassesScreen(out, item) && matchesFilters(item, jitem, heat, filter, special)) {
                if (item_ids)
                    item_ids->emplace_back(item->id);
                if (counts) {
                    MaterialInfo mi;
                    mi.decode(item);
                    (*counts)[mi]++;
                }
                ++count;
            }
        }
    }

    DEBUG(control,out).print("found matches {}\n", count);
    return count;
}

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