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
|
/* $Id$ */
/*
* 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 newgrf_town.cpp Implementation of the town part of NewGRF houses. */
#include "stdafx.h"
#include "debug.h"
#include "town.h"
#include "newgrf_town.h"
#include "safeguards.h"
/* virtual */ uint32 TownScopeResolver::GetVariable(byte variable, uint32 parameter, bool *available) const
{
switch (variable) {
/* Larger towns */
case 0x40:
if (_settings_game.economy.larger_towns == 0) return 2;
if (this->t->larger_town) return 1;
return 0;
/* Town index */
case 0x41: return this->t->index;
/* Get a variable from the persistent storage */
case 0x7C: {
/* Check the persistent storage for the GrfID stored in register 100h. */
uint32 grfid = GetRegister(0x100);
if (grfid == 0xFFFFFFFF) {
if (this->ro.grffile == NULL) return 0;
grfid = this->ro.grffile->grfid;
}
std::list<PersistentStorage *>::iterator iter;
for (iter = this->t->psa_list.begin(); iter != this->t->psa_list.end(); iter++) {
if ((*iter)->grfid == grfid) return (*iter)->GetValue(parameter);
}
return 0;
}
/* Town properties */
case 0x80: return this->t->xy;
case 0x81: return GB(this->t->xy, 8, 8);
case 0x82: return ClampToU16(this->t->cache.population);
case 0x83: return GB(ClampToU16(this->t->cache.population), 8, 8);
case 0x8A: return this->t->grow_counter / TOWN_GROWTH_TICKS;
case 0x92: return this->t->flags; // In original game, 0x92 and 0x93 are really one word. Since flags is a byte, this is to adjust
case 0x93: return 0;
case 0x94: return ClampToU16(this->t->cache.squared_town_zone_radius[0]);
case 0x95: return GB(ClampToU16(this->t->cache.squared_town_zone_radius[0]), 8, 8);
case 0x96: return ClampToU16(this->t->cache.squared_town_zone_radius[1]);
case 0x97: return GB(ClampToU16(this->t->cache.squared_town_zone_radius[1]), 8, 8);
case 0x98: return ClampToU16(this->t->cache.squared_town_zone_radius[2]);
case 0x99: return GB(ClampToU16(this->t->cache.squared_town_zone_radius[2]), 8, 8);
case 0x9A: return ClampToU16(this->t->cache.squared_town_zone_radius[3]);
case 0x9B: return GB(ClampToU16(this->t->cache.squared_town_zone_radius[3]), 8, 8);
case 0x9C: return ClampToU16(this->t->cache.squared_town_zone_radius[4]);
case 0x9D: return GB(ClampToU16(this->t->cache.squared_town_zone_radius[4]), 8, 8);
case 0x9E: return this->t->ratings[0];
case 0x9F: return GB(this->t->ratings[0], 8, 8);
case 0xA0: return this->t->ratings[1];
case 0xA1: return GB(this->t->ratings[1], 8, 8);
case 0xA2: return this->t->ratings[2];
case 0xA3: return GB(this->t->ratings[2], 8, 8);
case 0xA4: return this->t->ratings[3];
case 0xA5: return GB(this->t->ratings[3], 8, 8);
case 0xA6: return this->t->ratings[4];
case 0xA7: return GB(this->t->ratings[4], 8, 8);
case 0xA8: return this->t->ratings[5];
case 0xA9: return GB(this->t->ratings[5], 8, 8);
case 0xAA: return this->t->ratings[6];
case 0xAB: return GB(this->t->ratings[6], 8, 8);
case 0xAC: return this->t->ratings[7];
case 0xAD: return GB(this->t->ratings[7], 8, 8);
case 0xAE: return this->t->have_ratings;
case 0xB2: return this->t->statues;
case 0xB6: return ClampToU16(this->t->cache.num_houses);
case 0xB9: return this->t->growth_rate / TOWN_GROWTH_TICKS;
case 0xBA: return ClampToU16(this->t->supplied[CT_PASSENGERS].new_max);
case 0xBB: return GB(ClampToU16(this->t->supplied[CT_PASSENGERS].new_max), 8, 8);
case 0xBC: return ClampToU16(this->t->supplied[CT_MAIL].new_max);
case 0xBD: return GB(ClampToU16(this->t->supplied[CT_MAIL].new_max), 8, 8);
case 0xBE: return ClampToU16(this->t->supplied[CT_PASSENGERS].new_act);
case 0xBF: return GB(ClampToU16(this->t->supplied[CT_PASSENGERS].new_act), 8, 8);
case 0xC0: return ClampToU16(this->t->supplied[CT_MAIL].new_act);
case 0xC1: return GB(ClampToU16(this->t->supplied[CT_MAIL].new_act), 8, 8);
case 0xC2: return ClampToU16(this->t->supplied[CT_PASSENGERS].old_max);
case 0xC3: return GB(ClampToU16(this->t->supplied[CT_PASSENGERS].old_max), 8, 8);
case 0xC4: return ClampToU16(this->t->supplied[CT_MAIL].old_max);
case 0xC5: return GB(ClampToU16(this->t->supplied[CT_MAIL].old_max), 8, 8);
case 0xC6: return ClampToU16(this->t->supplied[CT_PASSENGERS].old_act);
case 0xC7: return GB(ClampToU16(this->t->supplied[CT_PASSENGERS].old_act), 8, 8);
case 0xC8: return ClampToU16(this->t->supplied[CT_MAIL].old_act);
case 0xC9: return GB(ClampToU16(this->t->supplied[CT_MAIL].old_act), 8, 8);
case 0xCA: return this->t->GetPercentTransported(CT_PASSENGERS);
case 0xCB: return this->t->GetPercentTransported(CT_MAIL);
case 0xCC: return this->t->received[TE_FOOD].new_act;
case 0xCD: return GB(this->t->received[TE_FOOD].new_act, 8, 8);
case 0xCE: return this->t->received[TE_WATER].new_act;
case 0xCF: return GB(this->t->received[TE_WATER].new_act, 8, 8);
case 0xD0: return this->t->received[TE_FOOD].old_act;
case 0xD1: return GB(this->t->received[TE_FOOD].old_act, 8, 8);
case 0xD2: return this->t->received[TE_WATER].old_act;
case 0xD3: return GB(this->t->received[TE_WATER].old_act, 8, 8);
case 0xD4: return this->t->road_build_months;
case 0xD5: return this->t->fund_buildings_months;
}
DEBUG(grf, 1, "Unhandled town variable 0x%X", variable);
*available = false;
return UINT_MAX;
}
/* virtual */ void TownScopeResolver::StorePSA(uint pos, int32 value)
{
if (this->readonly) return;
assert(this->t != NULL);
/* We can't store anything if the caller has no #GRFFile. */
if (this->ro.grffile == NULL) return;
/* Check the persistent storage for the GrfID stored in register 100h. */
uint32 grfid = GetRegister(0x100);
/* A NewGRF can only write in the persistent storage associated to its own GRFID. */
if (grfid == 0xFFFFFFFF) grfid = this->ro.grffile->grfid;
if (grfid != this->ro.grffile->grfid) return;
/* Check if the storage exists. */
std::list<PersistentStorage *>::iterator iter;
for (iter = t->psa_list.begin(); iter != t->psa_list.end(); iter++) {
if ((*iter)->grfid == grfid) {
(*iter)->StoreValue(pos, value);
return;
}
}
/* Create a new storage. */
assert(PersistentStorage::CanAllocateItem());
PersistentStorage *psa = new PersistentStorage(grfid, GSF_FAKE_TOWNS, this->t->xy);
psa->StoreValue(pos, value);
t->psa_list.push_back(psa);
}
/**
* Resolver for a town.
* @param grffile NewGRF file associated with the town.
* @param t %Town of the scope.
* @param readonly Scope may change persistent storage of the town.
*/
TownResolverObject::TownResolverObject(const struct GRFFile *grffile, Town *t, bool readonly)
: ResolverObject(grffile), town_scope(*this, t, readonly)
{
}
|
