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
|
/* $Id$ */
/*
* 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_airport.cpp Implementation of AIAirport. */
#include "../../stdafx.h"
#include "ai_airport.hpp"
#include "ai_station.hpp"
#include "../../station_base.h"
#include "../../company_func.h"
#include "../../town.h"
/* static */ bool AIAirport::IsValidAirportType(AirportType type)
{
return IsAirportInformationAvailable(type) && ::AirportSpec::Get(type)->IsAvailable();
}
/* static */ bool AIAirport::IsAirportInformationAvailable(AirportType type)
{
return type >= 0 && type < (AirportType)NUM_AIRPORTS && AirportSpec::Get(type)->enabled;
}
/* static */ Money AIAirport::GetPrice(AirportType type)
{
if (!IsValidAirportType(type)) return -1;
const AirportSpec *as = ::AirportSpec::Get(type);
return _price[PR_BUILD_STATION_AIRPORT] * as->size_x * as->size_y;
}
/* static */ bool AIAirport::IsHangarTile(TileIndex tile)
{
if (!::IsValidTile(tile)) return false;
return ::IsTileType(tile, MP_STATION) && ::IsHangar(tile);
}
/* static */ bool AIAirport::IsAirportTile(TileIndex tile)
{
if (!::IsValidTile(tile)) return false;
return ::IsTileType(tile, MP_STATION) && ::IsAirport(tile);
}
/* static */ int32 AIAirport::GetAirportWidth(AirportType type)
{
if (!IsAirportInformationAvailable(type)) return -1;
return ::AirportSpec::Get(type)->size_x;
}
/* static */ int32 AIAirport::GetAirportHeight(AirportType type)
{
if (!IsAirportInformationAvailable(type)) return -1;
return ::AirportSpec::Get(type)->size_y;
}
/* static */ int32 AIAirport::GetAirportCoverageRadius(AirportType type)
{
if (!IsAirportInformationAvailable(type)) return -1;
return _settings_game.station.modified_catchment ? ::AirportSpec::Get(type)->catchment : (uint)CA_UNMODIFIED;
}
/* static */ bool AIAirport::BuildAirport(TileIndex tile, AirportType type, StationID station_id)
{
EnforcePrecondition(false, ::IsValidTile(tile));
EnforcePrecondition(false, IsValidAirportType(type));
EnforcePrecondition(false, station_id == AIStation::STATION_NEW || station_id == AIStation::STATION_JOIN_ADJACENT || AIStation::IsValidStation(station_id));
uint p2 = station_id == AIStation::STATION_JOIN_ADJACENT ? 0 : 1;
p2 |= (AIStation::IsValidStation(station_id) ? station_id : INVALID_STATION) << 16;
return AIObject::DoCommand(tile, type, p2, CMD_BUILD_AIRPORT);
}
/* static */ bool AIAirport::RemoveAirport(TileIndex tile)
{
EnforcePrecondition(false, ::IsValidTile(tile))
EnforcePrecondition(false, IsAirportTile(tile) || IsHangarTile(tile));
return AIObject::DoCommand(tile, 0, 0, CMD_LANDSCAPE_CLEAR);
}
/* static */ int32 AIAirport::GetNumHangars(TileIndex tile)
{
if (!::IsValidTile(tile)) return -1;
if (!::IsTileType(tile, MP_STATION)) return -1;
const Station *st = ::Station::GetByTile(tile);
if (st->owner != _current_company) return -1;
if ((st->facilities & FACIL_AIRPORT) == 0) return -1;
return st->airport.GetNumHangars();
}
/* static */ TileIndex AIAirport::GetHangarOfAirport(TileIndex tile)
{
if (!::IsValidTile(tile)) return INVALID_TILE;
if (!::IsTileType(tile, MP_STATION)) return INVALID_TILE;
if (GetNumHangars(tile) < 1) return INVALID_TILE;
const Station *st = ::Station::GetByTile(tile);
if (st->owner != _current_company) return INVALID_TILE;
if ((st->facilities & FACIL_AIRPORT) == 0) return INVALID_TILE;
return st->airport.GetHangarTile(0);
}
/* static */ AIAirport::AirportType AIAirport::GetAirportType(TileIndex tile)
{
if (!AITile::IsStationTile(tile)) return AT_INVALID;
StationID station_id = ::GetStationIndex(tile);
if (!AIStation::HasStationType(station_id, AIStation::STATION_AIRPORT)) return AT_INVALID;
return (AirportType)::Station::Get(station_id)->airport.type;
}
/* static */ int AIAirport::GetNoiseLevelIncrease(TileIndex tile, AirportType type)
{
extern Town *AirportGetNearestTown(const AirportSpec *as, TileIndex airport_tile);
extern uint8 GetAirportNoiseLevelForTown(const AirportSpec *as, TileIndex town_tile, TileIndex tile);
if (!::IsValidTile(tile)) return -1;
if (!IsValidAirportType(type)) return -1;
if (_settings_game.economy.station_noise_level) {
const AirportSpec *as = ::AirportSpec::Get(type);
const Town *t = AirportGetNearestTown(as, tile);
return GetAirportNoiseLevelForTown(as, t->xy, tile);
}
return 1;
}
/* static */ TownID AIAirport::GetNearestTown(TileIndex tile, AirportType type)
{
extern Town *AirportGetNearestTown(const AirportSpec *as, TileIndex airport_tile);
if (!::IsValidTile(tile)) return INVALID_TOWN;
if (!IsAirportInformationAvailable(type)) return INVALID_TOWN;
return AirportGetNearestTown(AirportSpec::Get(type), tile)->index;
}
|
