Univerxel/src/world/Voxel.hpp

#pragma once

#include <map>

namespace world {
    /// Universe unit
    struct Voxel {
        /// Quantity of material
        /// FIXME: low density area are cheatty
        /// @note v < iso * UCHAR_MAX are useless
        unsigned char Density;
        /// Material type
        /// @see world::materials
        unsigned short Material;
    };
    /// Stock of material
    struct Item {
        /// Quantity of material
        unsigned long long Count;
        /// Material type
        /// @see world::materials
        unsigned short Material;
    };
    /// List of materials
    struct ItemList: std::map<unsigned short, unsigned long long> {
        void add(const std::optional<Item>& item) {
            if(item) {
                (*this)[item.value().Material] += item.value().Count;
            }
        }
    };
}