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
|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program 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; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "common/file.h"
#include "common/debug.h"
#include "sludge/allfiles.h"
#include "sludge/moreio.h"
#include "sludge/newfatal.h"
#include "sludge/sludge.h"
#include "sludge/version.h"
namespace Sludge {
bool sliceBusy = true;
Common::File *bigDataFile = NULL;
uint32 startOfDataIndex, startOfTextIndex, startOfSubIndex, startOfObjectIndex;
bool openSubSlice(int num) {
// FILE * dbug = fopen ("debuggy.txt", "at");
// fprintf (dbug, "\nTrying to open sub %i\n", num);
if (sliceBusy) {
fatal("Can't read from data file", "I'm already reading something");
return false;
}
// fprintf (dbug, "Going to position %li\n", startOfSubIndex + (num << 2));
bigDataFile->seek(startOfSubIndex + (num << 2), 0);
bigDataFile->seek(bigDataFile->readUint32LE(), 0);
// fprintf (dbug, "Told to skip forward to %li\n", ftell (bigDataFile));
// fclose (dbug);
return sliceBusy = true;
}
bool openObjectSlice(int num) {
// FILE * dbug = fopen ("debuggy.txt", "at");
// fprintf (dbug, "\nTrying to open object %i\n", num);
if (sliceBusy) {
fatal("Can't read from data file", "I'm already reading something");
return false;
}
// fprintf (dbug, "Going to position %li\n", startOfObjectIndex + (num << 2));
bigDataFile->seek(startOfObjectIndex + (num << 2), 0);
bigDataFile->seek(bigDataFile->readUint32LE(), 0);
// fprintf (dbug, "Told to skip forward to %li\n", ftell (bigDataFile));
// fclose (dbug);
return sliceBusy = true;
}
uint openFileFromNum(int num) {
// FILE * dbug = fopen ("debuggy.txt", "at");
if (sliceBusy) {
fatal("Can't read from data file", "I'm already reading something");
return 0;
}
// fprintf (dbug, "\nTrying to open file %i\n", num);
// fprintf (dbug, "Jumping to %li (for index) \n", startOfDataIndex + (num << 2));
bigDataFile->seek(startOfDataIndex + (num << 2), 0);
bigDataFile->seek(bigDataFile->readUint32LE(), 1);
// fprintf (dbug, "Jumping to %li (for data) \n", ftell (bigDataFile));
sliceBusy = true;
// fclose (dbug);
return bigDataFile->readUint32LE();
}
// Converts a string from Windows CP-1252 to UTF-8.
// This is needed for old games.
Common::String convertString(const Common::String &s) {
#if 0
static char *buf = NULL;
if (! buf) {
buf = new char [65536];
if (! checkNew(buf)) return NULL;
}
char **tmp1 = (char **) &s;
char **tmp2 = (char **) &buf;
char *sOrig = s;
char *bufOrig = buf;
#if defined __unix__ && !(defined __APPLE__)
iconv_t convert = iconv_open("UTF-8", "ISO8859-2");
#else
iconv_t convert = iconv_open("UTF-8", "CP1250");
#endif
if (convert == (iconv_t) - 1) {
switch (errno) {
case EINVAL:
fprintf(stderr, "Error: Encoding not supported by iconv.\n");
break;
default:
fprintf(stderr, "Error: Could not open iconv conversion descriptor.\n");
}
}
uint len1 = strlen(s) + 1;
uint len2 = 65535;
uint iconv_value =
#ifdef _WIN32
iconv(convert, (const char **) tmp1, &len1, tmp2, &len2);
#else
iconv(convert, (char **) tmp1, &len1, tmp2, &len2);
#endif
if (iconv_value == (uint) - 1) {
switch (errno) {
/* See "man 3 iconv" for an explanation. */
case EILSEQ:
fprintf(stderr, "Invalid multibyte sequence.\n");
break;
case EINVAL:
fprintf(stderr, "Incomplete multibyte sequence.\n");
break;
case E2BIG:
fprintf(stderr, "No more room.\n");
break;
default:
fprintf(stderr, "Error: %s.\n", strerror(errno));
}
fatal("Conversion to Unicode failed. This can be fixed by recompiling the game in a current version of the SLUDGE Development Kit, but this error should never happen. Congratulations, you've found a bug in the SLUDGE engine! Please let us know about it.");
}
iconv_close(convert);
delete [] sOrig;
return copyString(buf = bufOrig);
#endif
return s; //TODO: false value
}
Common::String getNumberedString(int value) {
if (sliceBusy) {
fatal("Can't read from data file", "I'm already reading something");
return NULL;
}
bigDataFile->seek((value << 2) + startOfTextIndex, 0);
value = bigDataFile->readUint32LE();
bigDataFile->seek(value, 0);
Common::String s = readString(bigDataFile);
if (gameVersion < VERSION(2, 2)) {
// This is an older game - We need to convert the string to UTF-8
s = convertString(s);
}
return s;
}
bool startAccess() {
int wasBusy = sliceBusy;
sliceBusy = true;
return wasBusy;
}
void finishAccess() {
sliceBusy = false;
}
int32 startIndex;
void setFileIndices(Common::File *fp, uint numLanguages, uint skipBefore) {
if (fp) {
// Keep hold of the file handle, and let things get at it
bigDataFile = fp;
startIndex = fp->pos();
} else {
// No file pointer - this means that we reuse the bigDataFile
fp = bigDataFile;
fp->seek(startIndex, SEEK_SET);
}
sliceBusy = false;
if (skipBefore > numLanguages) {
warning("Not a valid language ID! Using default instead.");
skipBefore = 0;
}
// STRINGS
int skipAfter = numLanguages - skipBefore;
while (skipBefore) {
fp->seek(fp->readUint32LE(), SEEK_SET);
skipBefore--;
}
startOfTextIndex = fp->pos() + 4;
debug(kSludgeDebugDataLoad, "startOfTextIndex: %i", startOfTextIndex);
fp->seek(fp->readUint32LE(), SEEK_SET);
while (skipAfter) {
fp->seek(fp->readUint32LE(), SEEK_SET);
skipAfter--;
}
startOfSubIndex = fp->pos() + 4;
fp->seek(fp->readUint32LE(), SEEK_CUR);
debug(kSludgeDebugDataLoad, "startOfSubIndex: %i", startOfSubIndex);
startOfObjectIndex = fp->pos() + 4;
fp->seek(fp->readUint32LE(), SEEK_CUR);
debug(kSludgeDebugDataLoad, "startOfObjectIndex: %i", startOfObjectIndex);
// Remember that the data section starts here
startOfDataIndex = fp->pos();
debug(kSludgeDebugDataLoad, "startOfDataIndex: %i", startOfDataIndex);
}
} // End of namespace Sludge
|
