1 /* 2 * Copyright (C) 2006-2020 by the Widelands Development Team 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License 6 * as published by the Free Software Foundation; either version 2 7 * of the License, or (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software 16 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 17 * 18 */ 19 20 #ifndef WL_LOGIC_MAP_OBJECTS_TRIBES_MARKET_H 21 #define WL_LOGIC_MAP_OBJECTS_TRIBES_MARKET_H 22 23 #include <memory> 24 25 #include "economy/request.h" 26 #include "economy/wares_queue.h" 27 #include "logic/map_objects/tribes/bill_of_materials.h" 28 #include "logic/map_objects/tribes/building.h" 29 30 namespace Widelands { 31 32 class MarketDescr : public BuildingDescr { 33 public: 34 MarketDescr(const std::string& init_descname, const LuaTable& t, const Tribes& tribes); ~MarketDescr()35 ~MarketDescr() override { 36 } 37 38 Building& create_object() const override; 39 carrier()40 DescriptionIndex carrier() const { 41 return carrier_; 42 } 43 44 private: 45 DescriptionIndex carrier_; 46 }; 47 48 class Market : public Building { 49 MO_DESCR(MarketDescr) 50 public: 51 explicit Market(const MarketDescr& descr); 52 ~Market() override; 53 54 void new_trade(int trade_id, const BillOfMaterials& items, int num_batches, Serial other_side); 55 void cancel_trade(int trade_id); 56 57 InputQueue& inputqueue(DescriptionIndex, WareWorker) override; 58 void cleanup(EditorGameBase&) override; 59 60 void try_launching_batch(Game* game); 61 void traded_ware_arrived(int trade_id, DescriptionIndex ware_index, Game* game); 62 63 private: 64 struct TradeOrder { 65 BillOfMaterials items; 66 int initial_num_batches; 67 int num_shipped_batches; 68 Serial other_side; 69 70 int received_traded_wares_in_this_batch; 71 72 // The invariant here is that worker.size() + worker_request.get_count() 73 // == 'num_wares_per_batch()' 74 std::unique_ptr<Request> worker_request; 75 std::vector<Worker*> workers; 76 77 // The number of individual wares in 'items', i.e. the sum of all '.second's. 78 int num_wares_per_batch() const; 79 80 // True if the 'num_shipped_batches' equals the 'initial_num_batches' 81 bool fulfilled() const; 82 }; 83 84 static void 85 worker_arrived_callback(Game&, Request&, DescriptionIndex, Worker*, PlayerImmovable&); 86 static void 87 ware_arrived_callback(Game& g, InputQueue* q, DescriptionIndex ware, Worker* worker, void* data); 88 89 void ensure_wares_queue_exists(int ware_index); 90 bool is_ready_to_launch_batch(int trade_id); 91 void launch_batch(int trade_id, Game* game); 92 93 std::map<int, TradeOrder> trade_orders_; // Key is 'trade_id's. 94 std::map<int, std::unique_ptr<WaresQueue>> wares_queue_; // Key is 'ware_index'. 95 96 DISALLOW_COPY_AND_ASSIGN(Market); 97 }; 98 99 } // namespace Widelands 100 101 #endif // end of include guard: WL_LOGIC_MAP_OBJECTS_TRIBES_MARKET_H 102