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
|
/* ResidualVM - A 3D game interpreter
*
* ResidualVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the AUTHORS
* 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 "engines/myst3/archive.h"
#include "engines/myst3/directorysubentry.h"
#include "common/str.h"
#include "common/debug.h"
#include "common/file.h"
#include "common/memstream.h"
namespace Myst3 {
DirectorySubEntry::DirectorySubEntry(Archive *archive) :
_archive(archive) {
}
void DirectorySubEntry::readFromStream(Common::SeekableReadStream &inStream) {
_offset = inStream.readUint32LE();
_size = inStream.readUint32LE();
_metadataSize = inStream.readUint16LE();
_face = inStream.readByte();
_type = static_cast<ResourceType>(inStream.readByte());
if (_metadataSize == 2 && (_type == kSpotItem || _type == kLocalizedSpotItem)) {
_spotItemData.u = inStream.readUint32LE();
_spotItemData.v = inStream.readUint32LE();
} else if (_metadataSize == 10 && (_type == kMovie || _type == kMultitrackMovie)) {
_videoData.v1.setValue(0, inStream.readSint32LE() * 0.000001f);
_videoData.v1.setValue(1, inStream.readSint32LE() * 0.000001f);
_videoData.v1.setValue(2, inStream.readSint32LE() * 0.000001f);
_videoData.v2.setValue(0, inStream.readSint32LE() * 0.000001f);
_videoData.v2.setValue(1, inStream.readSint32LE() * 0.000001f);
_videoData.v2.setValue(2, inStream.readSint32LE() * 0.000001f);
_videoData.u = inStream.readSint32LE();
_videoData.v = inStream.readSint32LE();
_videoData.width = inStream.readSint32LE();
_videoData.height = inStream.readSint32LE();
} else if (_type == kNumMetadata || _type == kTextMetadata) {
_miscData.resize(_metadataSize + 2);
_miscData[0] = _offset;
_miscData[1] = _size;
for (uint i = 0; i < _metadataSize; i++)
_miscData[i + 2] = inStream.readUint32LE();
} else if (_metadataSize != 0) {
warning("Metadata not read for type %d, size %d", _type, _metadataSize);
inStream.skip(_metadataSize * sizeof(uint32));
}
}
void DirectorySubEntry::dumpToFile(Common::SeekableReadStream &inStream, const char* room, uint32 index) {
char fileName[255];
switch (_type) {
case kNumMetadata:
case kTextMetadata:
return; // These types are pure metadata and can't be extracted
case kCubeFace:
case kSpotItem:
case kLocalizedSpotItem:
case kFrame:
sprintf(fileName, "dump/%s-%d-%d.jpg", room, index, _face);
break;
case kWaterEffectMask:
sprintf(fileName, "dump/%s-%d-%d.mask", room, index, _face);
break;
case kMovie:
case kStillMovie:
case kDialogMovie:
case kMultitrackMovie:
sprintf(fileName, "dump/%s-%d.bik", room, index);
break;
default:
sprintf(fileName, "dump/%s-%d-%d.%d", room, index, _face, _type);
break;
}
debug("Extracted %s", fileName);
Common::DumpFile outFile;
if (!outFile.open(fileName))
error("Unable to open file '%s' for writing", fileName);
inStream.seek(_offset);
uint8 *buf = new uint8[_size];
inStream.read(buf, _size);
outFile.write(buf, _size);
delete[] buf;
outFile.close();
}
Common::MemoryReadStream *DirectorySubEntry::getData() const {
return _archive->dumpToMemory(_offset, _size);
}
uint32 DirectorySubEntry::getMiscData(uint index) const {
return _miscData[index];
}
Common::String DirectorySubEntry::getTextData(uint index) const {
uint8 key = 35;
uint8 cnt = 0;
uint8 decrypted[89];
memset(decrypted, 0, sizeof(decrypted));
uint8 *out = &decrypted[0];
while (cnt / 4 < _miscData.size() && cnt < 89) {
// XORed text stored in little endian 32 bit words
*out++ = (_miscData[cnt / 4] >> (8 * (3 - (cnt % 4)))) ^ key++;
cnt++;
}
// decrypted contains a null separated string array
// extract the wanted one
cnt = 0;
int i = 0;
Common::String text;
while (cnt <= index && i < 89) {
if (cnt == index)
text += decrypted[i];
if (!decrypted[i])
cnt++;
i++;
}
return text;
}
} // End of namespace Myst3
|
