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
|
/*
* 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 strings_sl.cpp Code handling saving and loading of strings */
#include "../stdafx.h"
#include "../string_func.h"
#include "../strings_func.h"
#include "saveload_internal.h"
#include "table/strings.h"
#include "../safeguards.h"
static const int NUM_OLD_STRINGS = 512; ///< The number of custom strings stored in old savegames.
static const int LEN_OLD_STRINGS = 32; ///< The number of characters per string.
static const int LEN_OLD_STRINGS_TTO = 24; ///< The number of characters per string in TTO savegames.
/**
* Remap a string ID from the old format to the new format
* @param s StringID that requires remapping
* @return translated ID
*/
StringID RemapOldStringID(StringID s)
{
switch (s) {
case 0x0006: return STR_SV_EMPTY;
case 0x7000: return STR_SV_UNNAMED;
case 0x70E4: return SPECSTR_COMPANY_NAME_START;
case 0x70E9: return SPECSTR_COMPANY_NAME_START;
case 0x8864: return STR_SV_TRAIN_NAME;
case 0x902B: return STR_SV_ROAD_VEHICLE_NAME;
case 0x9830: return STR_SV_SHIP_NAME;
case 0xA02F: return STR_SV_AIRCRAFT_NAME;
default:
if (IsInsideMM(s, 0x300F, 0x3030)) {
return s - 0x300F + STR_SV_STNAME;
} else {
return s;
}
}
}
/** Location to load the old names to. */
char *_old_name_array = nullptr;
/**
* Copy and convert old custom names to UTF-8.
* They were all stored in a 512 by 32 (200 by 24 for TTO) long string array
* and are now stored with stations, waypoints and other places with names.
* @param id the StringID of the custom name to clone.
* @return the clones custom name.
*/
char *CopyFromOldName(StringID id)
{
/* Is this name an (old) custom name? */
if (GetStringTab(id) != TEXT_TAB_OLD_CUSTOM) return nullptr;
if (IsSavegameVersionBefore(SLV_37)) {
/* Allow for expansion when converted to UTF-8. */
char tmp[LEN_OLD_STRINGS * MAX_CHAR_LENGTH];
uint offs = _savegame_type == SGT_TTO ? LEN_OLD_STRINGS_TTO * GB(id, 0, 8) : LEN_OLD_STRINGS * GB(id, 0, 9);
const char *strfrom = &_old_name_array[offs];
char *strto = tmp;
for (; *strfrom != '\0'; strfrom++) {
WChar c = (byte)*strfrom;
/* Map from non-ISO8859-15 characters to UTF-8. */
switch (c) {
case 0xA4: c = 0x20AC; break; // Euro
case 0xA6: c = 0x0160; break; // S with caron
case 0xA8: c = 0x0161; break; // s with caron
case 0xB4: c = 0x017D; break; // Z with caron
case 0xB8: c = 0x017E; break; // z with caron
case 0xBC: c = 0x0152; break; // OE ligature
case 0xBD: c = 0x0153; break; // oe ligature
case 0xBE: c = 0x0178; break; // Y with diaeresis
default: break;
}
/* Check character will fit into our buffer. */
if (strto + Utf8CharLen(c) > lastof(tmp)) break;
strto += Utf8Encode(strto, c);
}
/* Terminate the new string and copy it back to the name array */
*strto = '\0';
return stredup(tmp);
} else {
/* Name will already be in UTF-8. */
return stredup(&_old_name_array[LEN_OLD_STRINGS * GB(id, 0, 9)]);
}
}
/**
* Free the memory of the old names array.
* Should be called once the old names have all been converted.
*/
void ResetOldNames()
{
free(_old_name_array);
_old_name_array = nullptr;
}
/**
* Initialize the old names table memory.
*/
void InitializeOldNames()
{
free(_old_name_array);
_old_name_array = CallocT<char>(NUM_OLD_STRINGS * LEN_OLD_STRINGS); // 200 * 24 would be enough for TTO savegames
}
/**
* Load the NAME chunk.
*/
static void Load_NAME()
{
int index;
while ((index = SlIterateArray()) != -1) {
if (index >= NUM_OLD_STRINGS) SlErrorCorrupt("Invalid old name index");
if (SlGetFieldLength() > (uint)LEN_OLD_STRINGS) SlErrorCorrupt("Invalid old name length");
SlArray(&_old_name_array[LEN_OLD_STRINGS * index], SlGetFieldLength(), SLE_UINT8);
/* Make sure the old name is null terminated */
_old_name_array[LEN_OLD_STRINGS * index + LEN_OLD_STRINGS - 1] = '\0';
}
}
/** Chunk handlers related to strings. */
extern const ChunkHandler _name_chunk_handlers[] = {
{ 'NAME', nullptr, Load_NAME, nullptr, nullptr, CH_ARRAY | CH_LAST},
};
|
