#include "storage_entity.h" unsigned long long storage_entity::__global_id = 0; storage_entity::storage_entity(unsigned int capacity) : _capacity(capacity) { this->_id = ++storage_entity::__global_id; } unsigned long long storage_entity::id() { return this->_id; } unsigned int storage_entity::capacity() { return this->_capacity; } const QVector storage_entity::cargo() { return this->_cargo; }