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
|
/* 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.
*
*/
/*
* Based on
* WebVenture (c) 2010, Sean Kasun
* https://github.com/mrkite/webventure, http://seancode.com/webventure/
*
* Used with explicit permission from the author
*/
#ifndef MACVENTURE_CONTAINER_H
#define MACVENTURE_CONTAINER_H
#include "macventure/macventure.h"
#include "common/file.h"
#include "common/fs.h"
namespace MacVenture {
struct ItemGroup {
uint32 bitOffset; //It's really uint24
uint32 offset; //It's really uint24
uint32 lengths[64];
};
typedef uint32 ContainerHeader;
class Container {
public:
Container(Common::String filename);
~Container();
public:
/**
* Must be called before retrieving an object.
*/
uint32 getItemByteSize(uint32 id);
/**
* getItemByteSize should be called before this one
*/
Common::SeekableReadStream *getItem(uint32 id);
protected:
bool _simplified;
uint _lenObjs; // In the case of simple container, lenght of an object
uint _numObjs;
ContainerHeader _header;
Common::Array<uint16> _huff; // huffman masks
Common::Array<uint8> _lens; // huffman lengths
Common::Array<ItemGroup> _groups;
Common::String _filename;
Common::File _file;
Common::SeekableReadStream *_res;
};
} // End of namespace MacVenture
#endif
|
