trade.hpp

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// Symphony of Empires
// Copyright (C) 2021, Symphony of Empires contributors
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Name:
//      server/trade.hpp
//
// Abstract:
//      Does some important stuff.
// ----------------------------------------------------------------------------
 
#pragma once
 
#include <vector>
#include "objects.hpp"
#include "province.hpp"
 
class World;
 
namespace Economy {
    struct Trade final {
        void recalculate(const World& world);
 
        struct Vertex {
            constexpr Vertex(float _cost, ProvinceId _key) : cost{_cost}, key{_key}
            {
 
            }
            ~Vertex() = default;
            float cost = 0.f;
            ProvinceId key;
        };
 
        float get_trade_cost(const Province& province1, const Province& province2, glm::vec2 world_size) const;
 
        std::vector<ProvinceId> cost_eval;
        std::vector<std::vector<float>> trade_costs;
    private:
        inline void initialize(const World& world);
        std::vector<std::vector<Vertex>> neighbours;
    };
}