blob: 200d3783033c8eca9df327bf82cf4465c6d8e634 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
/* $Id$ */
/*
* 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 ground_vehicle.hpp Base class and functions for all vehicles that move through ground. */
#ifndef GROUND_VEHICLE_HPP
#define GROUND_VEHICLE_HPP
#include "vehicle_base.h"
/** What is the status of our acceleration? */
enum AccelStatus {
AS_ACCEL, ///< We want to go faster, if possible of course.
AS_BRAKE ///< We want to stop.
};
/**
* Cached acceleration values.
* All of these values except cached_slope_resistance are set only for the first part of a vehicle.
*/
struct AccelerationCache {
/* Cached values, recalculated when the cargo on a vehicle changes (in addition to the conditions below) */
uint32 cached_weight; ///< Total weight of the consist.
uint32 cached_slope_resistance; ///< Resistance caused by weight when this vehicle part is at a slope.
uint32 cached_max_te; ///< Maximum tractive effort of consist.
/* Cached values, recalculated on load and each time a vehicle is added to/removed from the consist. */
uint32 cached_power; ///< Total power of the consist.
uint32 cached_air_drag; ///< Air drag coefficient of the vehicle.
uint16 cached_axle_resistance; ///< Resistance caused by the axles of the vehicle.
uint16 cached_max_track_speed; ///< Maximum consist speed limited by track type.
};
/**
* Base class for all vehicles that move through ground.
*/
template <class T, VehicleType Type>
struct GroundVehicle : public SpecializedVehicle<T, Type> {
AccelerationCache acc_cache;
/**
* The constructor at SpecializedVehicle must be called.
*/
GroundVehicle() : SpecializedVehicle<T, Type>() {}
};
#endif /* GROUND_VEHICLE_HPP */
|
