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OpenTTD-patches/src/train_speed_adaptation.h

58 lines
1.8 KiB
C++

/*
* This file is part of OpenTTD.
* 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.
* 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.
* 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/>.
*/
/** @file train_speed_adaptation.h Train speed adaptation data structures. */
#ifndef TRAIN_SPEED_ADAPTATION_H
#define TRAIN_SPEED_ADAPTATION_H
#include "date_type.h"
#include "track_type.h"
#include "tile_type.h"
#include <unordered_map>
struct SignalSpeedKey
{
TileIndex signal_tile;
uint16 signal_track;
Trackdir last_passing_train_dir;
bool operator==(const SignalSpeedKey& other) const
{
return signal_tile == other.signal_tile &&
signal_track == other.signal_track &&
last_passing_train_dir == other.last_passing_train_dir;
}
};
struct SignalSpeedValue
{
uint16 train_speed;
DateTicksScaled time_stamp;
};
struct SignalSpeedKeyHashFunc
{
std::size_t operator() (const SignalSpeedKey &key) const
{
const std::size_t h1 = std::hash<TileIndex>()(key.signal_tile);
const std::size_t h2 = std::hash<Trackdir>()(key.last_passing_train_dir);
const std::size_t h3 = std::hash<uint16>()(key.signal_track);
return (h1 ^ h2) ^ h3;
}
};
extern std::unordered_map<SignalSpeedKey, SignalSpeedValue, SignalSpeedKeyHashFunc> _signal_speeds;
struct Train;
void SetSignalTrainAdaptationSpeed(const Train *v, TileIndex tile, uint16 track);
void ApplySignalTrainAdaptationSpeed(Train *v, TileIndex tile, uint16 track);
#endif /* TRAIN_SPEED_ADAPTATION_H */