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
|
/* ScummVM - Scumm Interpreter
* Copyright (C) 2002-2006 The ScummVM project
*
* 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"
namespace Scumm {
class BaseScummFile : public Common::File {
public:
virtual void setEnc(byte value) = 0;
virtual bool open(const Common::String &filename, AccessMode mode = kFileReadMode) = 0;
virtual bool openSubFile(const Common::String &filename) = 0;
virtual bool eof() = 0;
virtual uint32 pos() = 0;
virtual uint32 size() = 0;
virtual void seek(int32 offs, int whence = SEEK_SET) = 0;
virtual uint32 read(void *dataPtr, uint32 dataSize) = 0;
virtual uint32 write(const void *dataPtr, uint32 dataSize) = 0;
};
class ScummFile : public BaseScummFile {
private:
byte _encbyte;
uint32 _subFileStart;
uint32 _subFileLen;
public:
ScummFile();
void setEnc(byte value);
void setSubfileRange(uint32 start, uint32 len);
void resetSubfile();
bool open(const Common::String &filename, AccessMode mode = kFileReadMode);
bool openSubFile(const Common::String &filename);
bool eof();
uint32 pos();
uint32 size();
void seek(int32 offs, int whence = SEEK_SET);
uint32 read(void *dataPtr, uint32 dataSize);
uint32 write(const void *dataPtr, uint32 dataSize);
};
class ScummNESFile : public BaseScummFile {
public:
enum ROMset {
kROMsetUSA,
kROMsetEurope,
kROMsetSweden,
kROMsetFrance,
kROMsetGermany,
kROMsetNum
};
struct Resource;
struct LFLEntry;
struct LFL;
private:
Common::MemoryReadStream *_stream;
ROMset _ROMset;
byte *_buf;
bool generateIndex();
bool generateResource(int res);
uint16 extractResource(Common::WriteStream *out, Resource *res);
byte fileReadByte();
uint16 fileReadUint16LE();
public:
ScummNESFile();
void setEnc(byte value);
bool open(const Common::String &filename, AccessMode mode = kFileReadMode);
bool openSubFile(const Common::String &filename);
void close();
bool eof() { return _stream->eos(); }
uint32 pos() { return _stream->pos(); }
uint32 size() { return _stream->size(); }
void seek(int32 offs, int whence = SEEK_SET) { _stream->seek(offs, whence); }
uint32 read(void *dataPtr, uint32 dataSize) { return _stream->read(dataPtr, dataSize); }
uint32 write(const void *dataPtr, uint32 dataSize);
};
class ScummC64File : public BaseScummFile {
private:
Common::MemoryReadStream *_stream;
byte _roomDisks[59], _roomTracks[59], _roomSectors[59];
byte *_buf;
bool _maniac;
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:
ScummC64File(const char *disk1, const char *disk2, bool maniac);
void setEnc(byte value);
bool open(const Common::String &filename, AccessMode mode = kFileReadMode);
bool openSubFile(const Common::String &filename);
void close();
bool eof() { return _stream->eos(); }
uint32 pos() { return _stream->pos(); }
uint32 size() { return _stream->size(); }
void seek(int32 offs, int whence = SEEK_SET) { _stream->seek(offs, whence); }
uint32 read(void *dataPtr, uint32 dataSize) { return _stream->read(dataPtr, dataSize); }
uint32 write(const void *dataPtr, uint32 dataSize);
};
} // End of namespace Scumm
#endif
|
