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56 lines
1.9 KiB
C++
56 lines
1.9 KiB
C++
/*
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* This file is part of OpenTTD.
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* OpenTTD 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, version 2.
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* OpenTTD 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.
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* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file train_speed_adaptation.h Train speed adaptation data structures. */
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#ifndef TRAIN_SPEED_ADAPTATION_H
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#define TRAIN_SPEED_ADAPTATION_H
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#include "date_type.h"
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#include "date_func.h"
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#include "track_type.h"
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#include "tile_type.h"
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#include "3rdparty/cpp-btree/btree_map.h"
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struct SignalSpeedKey {
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TileIndex signal_tile;
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uint16_t signal_track;
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Trackdir last_passing_train_dir;
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bool operator==(const SignalSpeedKey& other) const
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{
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return signal_tile == other.signal_tile &&
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signal_track == other.signal_track &&
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last_passing_train_dir == other.last_passing_train_dir;
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}
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bool operator<(const SignalSpeedKey& other) const
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{
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return std::tie(this->signal_tile, this->signal_track, this->last_passing_train_dir) < std::tie(other.signal_tile, other.signal_track, other.last_passing_train_dir);
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}
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};
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struct SignalSpeedValue {
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uint16_t train_speed;
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StateTicks time_stamp;
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/** Checks if the timeout has passed */
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bool IsOutOfDate() const
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{
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return _state_ticks > this->time_stamp;
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}
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};
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extern btree::btree_map<SignalSpeedKey, SignalSpeedValue> _signal_speeds;
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struct Train;
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void SetSignalTrainAdaptationSpeed(const Train *v, TileIndex tile, uint16_t track);
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void ApplySignalTrainAdaptationSpeed(Train *v, TileIndex tile, uint16_t track);
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uint16_t GetLowestSpeedTrainAdaptationSpeedAtSignal(TileIndex tile, uint16_t track);
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#endif /* TRAIN_SPEED_ADAPTATION_H */
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