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
251
252
253
|
/* $Id$ */
/*
* 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 script_town.cpp Implementation of AITown. */
#include "../../stdafx.h"
#include "script_town.hpp"
#include "script_map.hpp"
#include "script_cargo.hpp"
#include "script_error.hpp"
#include "../../town.h"
#include "../../strings_func.h"
#include "../../company_func.h"
#include "../../station_base.h"
#include "../../landscape.h"
#include "table/strings.h"
/* static */ int32 AITown::GetTownCount()
{
return (int32)::Town::GetNumItems();
}
/* static */ bool AITown::IsValidTown(TownID town_id)
{
return ::Town::IsValidID(town_id);
}
/* static */ char *AITown::GetName(TownID town_id)
{
if (!IsValidTown(town_id)) return NULL;
static const int len = 64;
char *town_name = MallocT<char>(len);
::SetDParam(0, town_id);
::GetString(town_name, STR_TOWN_NAME, &town_name[len - 1]);
return town_name;
}
/* static */ int32 AITown::GetPopulation(TownID town_id)
{
if (!IsValidTown(town_id)) return -1;
const Town *t = ::Town::Get(town_id);
return t->population;
}
/* static */ int32 AITown::GetHouseCount(TownID town_id)
{
if (!IsValidTown(town_id)) return -1;
const Town *t = ::Town::Get(town_id);
return t->num_houses;
}
/* static */ TileIndex AITown::GetLocation(TownID town_id)
{
if (!IsValidTown(town_id)) return INVALID_TILE;
const Town *t = ::Town::Get(town_id);
return t->xy;
}
/* static */ int32 AITown::GetLastMonthProduction(TownID town_id, CargoID cargo_id)
{
if (!IsValidTown(town_id)) return -1;
if (!AICargo::IsValidCargo(cargo_id)) return -1;
const Town *t = ::Town::Get(town_id);
return t->supplied[cargo_id].old_max;
}
/* static */ int32 AITown::GetLastMonthSupplied(TownID town_id, CargoID cargo_id)
{
if (!IsValidTown(town_id)) return -1;
if (!AICargo::IsValidCargo(cargo_id)) return -1;
const Town *t = ::Town::Get(town_id);
return t->supplied[cargo_id].old_act;
}
/* static */ int32 AITown::GetLastMonthTransportedPercentage(TownID town_id, CargoID cargo_id)
{
if (!IsValidTown(town_id)) return -1;
if (!AICargo::IsValidCargo(cargo_id)) return -1;
const Town *t = ::Town::Get(town_id);
return ::ToPercent8(t->GetPercentTransported(cargo_id));
}
/* static */ int32 AITown::GetLastMonthReceived(TownID town_id, AICargo::TownEffect towneffect_id)
{
if (!IsValidTown(town_id)) return -1;
if (!AICargo::IsValidTownEffect(towneffect_id)) return -1;
const Town *t = ::Town::Get(town_id);
return t->received[towneffect_id].old_act;
}
/* static */ uint32 AITown::GetCargoGoal(TownID town_id, AICargo::TownEffect towneffect_id)
{
if (!IsValidTown(town_id)) return -1;
if (!AICargo::IsValidTownEffect(towneffect_id)) return -1;
const Town *t = ::Town::Get(town_id);
switch (t->goal[towneffect_id]) {
case TOWN_GROWTH_WINTER:
if (TileHeight(t->xy) >= GetSnowLine() && t->population > 90) return 1;
return 0;
case TOWN_GROWTH_DESERT:
if (GetTropicZone(t->xy) == TROPICZONE_DESERT && t->population > 60) return 1;
return 0;
default: return t->goal[towneffect_id];
}
}
/* static */ int32 AITown::GetGrowthRate(TownID town_id)
{
if (!IsValidTown(town_id)) return false;
const Town *t = ::Town::Get(town_id);
return (t->growth_rate * TOWN_GROWTH_TICKS + DAY_TICKS) / DAY_TICKS;
}
/* static */ int32 AITown::GetDistanceManhattanToTile(TownID town_id, TileIndex tile)
{
return AIMap::DistanceManhattan(tile, GetLocation(town_id));
}
/* static */ int32 AITown::GetDistanceSquareToTile(TownID town_id, TileIndex tile)
{
return AIMap::DistanceSquare(tile, GetLocation(town_id));
}
/* static */ bool AITown::IsWithinTownInfluence(TownID town_id, TileIndex tile)
{
if (!IsValidTown(town_id)) return false;
const Town *t = ::Town::Get(town_id);
return ((uint32)GetDistanceSquareToTile(town_id, tile) <= t->squared_town_zone_radius[0]);
}
/* static */ bool AITown::HasStatue(TownID town_id)
{
if (!IsValidTown(town_id)) return false;
return ::HasBit(::Town::Get(town_id)->statues, _current_company);
}
/* static */ bool AITown::IsCity(TownID town_id)
{
if (!IsValidTown(town_id)) return false;
return ::Town::Get(town_id)->larger_town;
}
/* static */ int AITown::GetRoadReworkDuration(TownID town_id)
{
if (!IsValidTown(town_id)) return -1;
return ::Town::Get(town_id)->road_build_months;
}
/* static */ AICompany::CompanyID AITown::GetExclusiveRightsCompany(TownID town_id)
{
if (!IsValidTown(town_id)) return AICompany::COMPANY_INVALID;
return (AICompany::CompanyID)(int8)::Town::Get(town_id)->exclusivity;
}
/* static */ int32 AITown::GetExclusiveRightsDuration(TownID town_id)
{
if (!IsValidTown(town_id)) return -1;
return ::Town::Get(town_id)->exclusive_counter;
}
/* static */ bool AITown::IsActionAvailable(TownID town_id, TownAction town_action)
{
if (!IsValidTown(town_id)) return false;
return HasBit(::GetMaskOfTownActions(NULL, _current_company, ::Town::Get(town_id)), town_action);
}
/* static */ bool AITown::PerformTownAction(TownID town_id, TownAction town_action)
{
EnforcePrecondition(false, IsValidTown(town_id));
EnforcePrecondition(false, IsActionAvailable(town_id, town_action));
return AIObject::DoCommand(::Town::Get(town_id)->xy, town_id, town_action, CMD_DO_TOWN_ACTION);
}
/* static */ AITown::TownRating AITown::GetRating(TownID town_id, AICompany::CompanyID company_id)
{
if (!IsValidTown(town_id)) return TOWN_RATING_INVALID;
AICompany::CompanyID company = AICompany::ResolveCompanyID(company_id);
if (company == AICompany::COMPANY_INVALID) return TOWN_RATING_INVALID;
const Town *t = ::Town::Get(town_id);
if (!HasBit(t->have_ratings, company)) {
return TOWN_RATING_NONE;
} else if (t->ratings[company] <= RATING_APPALLING) {
return TOWN_RATING_APPALLING;
} else if (t->ratings[company] <= RATING_VERYPOOR) {
return TOWN_RATING_VERY_POOR;
} else if (t->ratings[company] <= RATING_POOR) {
return TOWN_RATING_POOR;
} else if (t->ratings[company] <= RATING_MEDIOCRE) {
return TOWN_RATING_MEDIOCRE;
} else if (t->ratings[company] <= RATING_GOOD) {
return TOWN_RATING_GOOD;
} else if (t->ratings[company] <= RATING_VERYGOOD) {
return TOWN_RATING_VERY_GOOD;
} else if (t->ratings[company] <= RATING_EXCELLENT) {
return TOWN_RATING_EXCELLENT;
} else {
return TOWN_RATING_OUTSTANDING;
}
}
/* static */ int AITown::GetAllowedNoise(TownID town_id)
{
if (!IsValidTown(town_id)) return -1;
const Town *t = ::Town::Get(town_id);
if (_settings_game.economy.station_noise_level) {
return t->MaxTownNoise() - t->noise_reached;
}
int num = 0;
const Station *st;
FOR_ALL_STATIONS(st) {
if (st->town == t && (st->facilities & FACIL_AIRPORT) && st->airport.type != AT_OILRIG) num++;
}
return max(0, 2 - num);
}
/* static */ AITown::RoadLayout AITown::GetRoadLayout(TownID town_id)
{
if (!IsValidTown(town_id)) return ROAD_LAYOUT_INVALID;
return (AITown::RoadLayout)((TownLayout)::Town::Get(town_id)->layout);
}
|
