ammunition_information calc_reloadable_ammo_info(const const_entity_handle item) {
ammunition_information out;
const auto maybe_magazine_slot = item[slot_function::GUN_DETACHABLE_MAGAZINE];
if (maybe_magazine_slot.alive() && maybe_magazine_slot.has_items()) {
const auto mag = item.get_cosmos()[maybe_magazine_slot.get_items_inside()[0]];
const auto ammo_depo = mag[slot_function::ITEM_DEPOSIT];
ensure(ammo_depo->has_limited_space());
out.total_charges += count_charges_in_deposit(mag);
out.total_ammo_space += ammo_depo->space_available;
out.available_ammo_space += ammo_depo.calc_local_space_available();
}
return out;
}
components::transform sum_attachment_offsets(const cosmos& cosm, const inventory_item_address addr) {
components::transform total;
inventory_slot_id current_slot;
current_slot.container_entity = addr.root_container;
for (size_t i = 0; i < addr.directions.size(); ++i) {
current_slot.type = addr.directions[i];
const auto slot_handle = cosm[current_slot];
ensure(slot_handle->is_physical_attachment_slot);
ensure(slot_handle->always_allow_exactly_one_item);
const auto item_in_slot = slot_handle.get_items_inside()[0];
total += get_attachment_offset(*slot_handle, total, item_in_slot);
current_slot.container_entity = item_in_slot;
}
return total;
}
void slot_button::update_rc(const logic_gui_context& context, const this_in_container& this_id) {
const auto& step = context.get_step();
const auto& cosmos = step.get_cosmos();
const auto slot_id = cosmos[this_id.get_location().slot_id];
if (slot_id->always_allow_exactly_one_item) {
this_id->set_flag(augs::gui::flag::ENABLE_DRAWING);
if (slot_id.has_items()) {
const_dereferenced_location<item_button_in_item> child_item_button = context.dereference_location(item_button_in_item{ slot_id.get_items_inside()[0].get_id() });
if (child_item_button->is_being_wholely_dragged_or_pending_finish(context, child_item_button)) {
this_id->set_flag(augs::gui::flag::ENABLE_DRAWING);
}
else {
this_id->unset_flag(augs::gui::flag::ENABLE_DRAWING);
}
}
}
this_id->slot_relative_pos = griddify(this_id->slot_relative_pos);
this_id->user_drag_offset = griddify(this_id->user_drag_offset);
vec2i absolute_pos = this_id->slot_relative_pos + this_id->user_drag_offset;
if (context.get_rect_world().is_currently_dragging(this_id)) {
absolute_pos += griddify(context.get_rect_world().current_drag_amount);
}
this_id->rc.set_position(absolute_pos);
}
