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
|
/* 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.
*
* $URL$
* $Id$
*
*/
#ifndef SCUMM_FILE_H
#define SCUMM_FILE_H
#include "common/file.h"
#include "scumm/detection.h"
namespace Scumm {
class BaseScummFile : public Common::File {
public:
virtual void setEnc(byte value) = 0;
virtual bool open(const Common::String &filename) = 0;
virtual bool openSubFile(const Common::String &filename) = 0;
virtual int32 pos() const = 0;
virtual int32 size() const = 0;
virtual bool seek(int32 offs, int whence = SEEK_SET) = 0;
// Unused
#if 0
virtual bool eos() const = 0;
virtual uint32 read(void *dataPtr, uint32 dataSize) = 0;
#endif
};
class ScummFile : public BaseScummFile {
private:
byte _encbyte;
int32 _subFileStart;
int32 _subFileLen;
bool _myIoFailed;
void setSubfileRange(int32 start, int32 len);
void resetSubfile();
public:
ScummFile();
void setEnc(byte value);
bool open(const Common::String &filename);
bool openSubFile(const Common::String &filename);
bool ioFailed() const { return _myIoFailed || BaseScummFile::ioFailed(); }
void clearIOFailed() { _myIoFailed = false; BaseScummFile::clearIOFailed(); }
int32 pos() const;
int32 size() const;
bool seek(int32 offs, int whence = SEEK_SET);
// Unused
#if 0
bool eos() const;
uint32 read(void *dataPtr, uint32 dataSize);
#endif
};
class ScummDiskImage : public BaseScummFile {
private:
Common::MemoryReadStream *_stream;
byte _roomDisks[59], _roomTracks[59], _roomSectors[59];
byte *_buf;
const GameSettings _game;
const Common::String _disk1, _disk2;
int _openedDisk;
int _numGlobalObjects;
int _numRooms;
int _numCostumes;
int _numScripts;
int _numSounds;
const int *_resourcesPerFile;
bool openDisk(char num);
bool generateIndex();
bool generateResource(int res);
uint16 extractIndex(Common::WriteStream *out);
uint16 extractResource(Common::WriteStream *out, int res);
byte fileReadByte();
uint16 fileReadUint16LE();
public:
ScummDiskImage(const char *disk1, const char *disk2, GameSettings game);
void setEnc(byte value);
bool open(const Common::String &filename);
bool openSubFile(const Common::String &filename);
void close();
int32 pos() const { return _stream->pos(); }
int32 size() const { return _stream->size(); }
bool seek(int32 offs, int whence = SEEK_SET) { return _stream->seek(offs, whence); }
// Unused
#if 0
bool eos() const { return _stream->eos(); }
uint32 read(void *dataPtr, uint32 dataSize) { return _stream->read(dataPtr, dataSize); }
#endif
};
} // End of namespace Scumm
#endif
|
