Method makeProjectile

library/modules/Items.cpp:1065–1106

}

df::proj_itemst *Items::makeProjectile(df::item *item)
{   using df::global::proj_next_id;
    CHECK_NULL_POINTER(item);
    if (!world || !proj_next_id)
        return NULL;

    auto pos = getPosition(item);
    if (!pos.isValid())
        return NULL;

    auto ref = df::allocate<df::general_ref_projectile>();
    if (!ref)
        return NULL;

    auto proj = df::allocate<df::proj_itemst>();
    if (!proj) {
        delete ref;
        return NULL;
    }
    else if (!detachItem(item)) {
        delete ref;
        delete proj;
        return NULL;
    }

    item->pos = pos;
    item->flags.bits.in_job = true;

    proj->link = new df::proj_list_link();
    proj->link->item = proj;
    proj->id = (*proj_next_id)++;

    proj->origin_pos = proj->target_pos = pos;
    proj->cur_pos = proj->prev_pos = pos;
    proj->item = item;

    ref->projectile_id = proj->id;
    item->general_refs.push_back(ref);

    linked_list_append(&world->projectiles.all, proj->link);
    return proj;
}

int Items::getItemBaseValue(int16_t item_type, int16_t item_subtype,
    int16_t mat_type, int32_t mat_subtype)