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
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
|
/* $Id$ */
/*
* 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 ai_engine.cpp Implementation of AIEngine. */
#include "ai_engine.hpp"
#include "ai_cargo.hpp"
#include "../../company_func.h"
#include "../../company_base.h"
#include "../../strings_func.h"
#include "../../rail.h"
#include "../../engine_base.h"
#include "../../engine_func.h"
#include "../../articulated_vehicles.h"
#include "table/strings.h"
/* static */ bool AIEngine::IsValidEngine(EngineID engine_id)
{
const Engine *e = ::Engine::GetIfValid(engine_id);
return e != NULL && (::IsEngineBuildable(engine_id, e->type, _current_company) || ::Company::Get(_current_company)->num_engines[engine_id] > 0);
}
/* static */ bool AIEngine::IsBuildable(EngineID engine_id)
{
const Engine *e = ::Engine::GetIfValid(engine_id);
return e != NULL && ::IsEngineBuildable(engine_id, e->type, _current_company);
}
/* static */ char *AIEngine::GetName(EngineID engine_id)
{
if (!IsValidEngine(engine_id)) return NULL;
static const int len = 64;
char *engine_name = MallocT<char>(len);
::SetDParam(0, engine_id);
::GetString(engine_name, STR_ENGINE_NAME, &engine_name[len - 1]);
return engine_name;
}
/* static */ CargoID AIEngine::GetCargoType(EngineID engine_id)
{
if (!IsValidEngine(engine_id)) return CT_INVALID;
CargoArray cap = ::GetCapacityOfArticulatedParts(engine_id);
CargoID most_cargo = CT_INVALID;
uint amount = 0;
for (CargoID cid = 0; cid < NUM_CARGO; cid++) {
if (cap[cid] > amount) {
amount = cap[cid];
most_cargo = cid;
}
}
return most_cargo;
}
/* static */ bool AIEngine::CanRefitCargo(EngineID engine_id, CargoID cargo_id)
{
if (!IsValidEngine(engine_id)) return false;
if (!AICargo::IsValidCargo(cargo_id)) return false;
return HasBit(::GetUnionOfArticulatedRefitMasks(engine_id, true), cargo_id);
}
/* static */ bool AIEngine::CanPullCargo(EngineID engine_id, CargoID cargo_id)
{
if (!IsValidEngine(engine_id)) return false;
if (GetVehicleType(engine_id) != AIVehicle::VT_RAIL) return false;
if (!AICargo::IsValidCargo(cargo_id)) return false;
return (::RailVehInfo(engine_id)->ai_passenger_only != 1) || AICargo::HasCargoClass(cargo_id, AICargo::CC_PASSENGERS);
}
/* static */ int32 AIEngine::GetCapacity(EngineID engine_id)
{
if (!IsValidEngine(engine_id)) return -1;
const Engine *e = ::Engine::Get(engine_id);
switch (e->type) {
case VEH_ROAD:
case VEH_TRAIN: {
CargoArray capacities = GetCapacityOfArticulatedParts(engine_id);
for (CargoID c = 0; c < NUM_CARGO; c++) {
if (capacities[c] == 0) continue;
return capacities[c];
}
return -1;
}
case VEH_SHIP:
case VEH_AIRCRAFT:
return e->GetDisplayDefaultCapacity();
default: NOT_REACHED();
}
}
/* static */ int32 AIEngine::GetReliability(EngineID engine_id)
{
if (!IsValidEngine(engine_id)) return -1;
if (GetVehicleType(engine_id) == AIVehicle::VT_RAIL && IsWagon(engine_id)) return -1;
return ::ToPercent16(::Engine::Get(engine_id)->reliability);
}
/* static */ int32 AIEngine::GetMaxSpeed(EngineID engine_id)
{
if (!IsValidEngine(engine_id)) return -1;
const Engine *e = ::Engine::Get(engine_id);
int32 max_speed = e->GetDisplayMaxSpeed(); // km-ish/h
if (e->type == VEH_AIRCRAFT) max_speed /= _settings_game.vehicle.plane_speed;
return max_speed;
}
/* static */ Money AIEngine::GetPrice(EngineID engine_id)
{
if (!IsValidEngine(engine_id)) return -1;
return ::Engine::Get(engine_id)->GetCost();
}
/* static */ int32 AIEngine::GetMaxAge(EngineID engine_id)
{
if (!IsValidEngine(engine_id)) return -1;
if (GetVehicleType(engine_id) == AIVehicle::VT_RAIL && IsWagon(engine_id)) return -1;
return ::Engine::Get(engine_id)->GetLifeLengthInDays();
}
/* static */ Money AIEngine::GetRunningCost(EngineID engine_id)
{
if (!IsValidEngine(engine_id)) return -1;
return ::Engine::Get(engine_id)->GetRunningCost();
}
/* static */ int32 AIEngine::GetPower(EngineID engine_id)
{
if (!IsValidEngine(engine_id)) return -1;
if (GetVehicleType(engine_id) != AIVehicle::VT_RAIL && GetVehicleType(engine_id) != AIVehicle::VT_ROAD) return -1;
if (IsWagon(engine_id)) return -1;
return ::Engine::Get(engine_id)->GetPower();
}
/* static */ int32 AIEngine::GetWeight(EngineID engine_id)
{
if (!IsValidEngine(engine_id)) return -1;
if (GetVehicleType(engine_id) != AIVehicle::VT_RAIL && GetVehicleType(engine_id) != AIVehicle::VT_ROAD) return -1;
return ::Engine::Get(engine_id)->GetDisplayWeight();
}
/* static */ int32 AIEngine::GetMaxTractiveEffort(EngineID engine_id)
{
if (!IsValidEngine(engine_id)) return -1;
if (GetVehicleType(engine_id) != AIVehicle::VT_RAIL && GetVehicleType(engine_id) != AIVehicle::VT_ROAD) return -1;
if (IsWagon(engine_id)) return -1;
return ::Engine::Get(engine_id)->GetDisplayMaxTractiveEffort();
}
/* static */ int32 AIEngine::GetDesignDate(EngineID engine_id)
{
if (!IsValidEngine(engine_id)) return -1;
return ::Engine::Get(engine_id)->intro_date;
}
/* static */ AIVehicle::VehicleType AIEngine::GetVehicleType(EngineID engine_id)
{
if (!IsValidEngine(engine_id)) return AIVehicle::VT_INVALID;
switch (::Engine::Get(engine_id)->type) {
case VEH_ROAD: return AIVehicle::VT_ROAD;
case VEH_TRAIN: return AIVehicle::VT_RAIL;
case VEH_SHIP: return AIVehicle::VT_WATER;
case VEH_AIRCRAFT: return AIVehicle::VT_AIR;
default: NOT_REACHED();
}
}
/* static */ bool AIEngine::IsWagon(EngineID engine_id)
{
if (!IsValidEngine(engine_id)) return false;
if (GetVehicleType(engine_id) != AIVehicle::VT_RAIL) return false;
return ::RailVehInfo(engine_id)->power == 0;
}
/* static */ bool AIEngine::CanRunOnRail(EngineID engine_id, AIRail::RailType track_rail_type)
{
if (!IsValidEngine(engine_id)) return false;
if (GetVehicleType(engine_id) != AIVehicle::VT_RAIL) return false;
if (!AIRail::IsRailTypeAvailable(track_rail_type)) return false;
return ::IsCompatibleRail((::RailType)::RailVehInfo(engine_id)->railtype, (::RailType)track_rail_type);
}
/* static */ bool AIEngine::HasPowerOnRail(EngineID engine_id, AIRail::RailType track_rail_type)
{
if (!IsValidEngine(engine_id)) return false;
if (GetVehicleType(engine_id) != AIVehicle::VT_RAIL) return false;
if (!AIRail::IsRailTypeAvailable(track_rail_type)) return false;
return ::HasPowerOnRail((::RailType)::RailVehInfo(engine_id)->railtype, (::RailType)track_rail_type);
}
/* static */ AIRoad::RoadType AIEngine::GetRoadType(EngineID engine_id)
{
if (!IsValidEngine(engine_id)) return AIRoad::ROADTYPE_INVALID;
if (GetVehicleType(engine_id) != AIVehicle::VT_ROAD) return AIRoad::ROADTYPE_INVALID;
return HasBit(::EngInfo(engine_id)->misc_flags, EF_ROAD_TRAM) ? AIRoad::ROADTYPE_TRAM : AIRoad::ROADTYPE_ROAD;
}
/* static */ AIRail::RailType AIEngine::GetRailType(EngineID engine_id)
{
if (!IsValidEngine(engine_id)) return AIRail::RAILTYPE_INVALID;
if (GetVehicleType(engine_id) != AIVehicle::VT_RAIL) return AIRail::RAILTYPE_INVALID;
return (AIRail::RailType)(uint)::RailVehInfo(engine_id)->railtype;
}
/* static */ bool AIEngine::IsArticulated(EngineID engine_id)
{
if (!IsValidEngine(engine_id)) return false;
if (GetVehicleType(engine_id) != AIVehicle::VT_ROAD && GetVehicleType(engine_id) != AIVehicle::VT_RAIL) return false;
return CountArticulatedParts(engine_id, true) != 0;
}
/* static */ AIAirport::PlaneType AIEngine::GetPlaneType(EngineID engine_id)
{
if (!IsValidEngine(engine_id)) return AIAirport::PT_INVALID;
if (GetVehicleType(engine_id) != AIVehicle::VT_AIR) return AIAirport::PT_INVALID;
return (AIAirport::PlaneType)::AircraftVehInfo(engine_id)->subtype;
}
|
