aboutsummaryrefslogtreecommitdiff
path: root/engines/xeen/files.h
blob: f0c92d1050ab902c01f35db9595d959309464e61 (plain)
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
/* 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.
 *
 */

#ifndef XEEN_FILES_H
#define XEEN_FILES_H

#include "common/scummsys.h"
#include "common/array.h"
#include "common/file.h"
#include "common/serializer.h"
#include "graphics/surface.h"
#include "xeen/xsurface.h"

namespace Xeen {

class XeenEngine;
class CCArchive;

#define SYNC_AS(SUFFIX,STREAM,TYPE,SIZE) \
	template<typename T> \
	void syncAs ## SUFFIX(T &val, Version minVersion = 0, Version maxVersion = kLastVersion) { \
		if (_version < minVersion || _version > maxVersion) \
			return;	\
		if (_loadStream) \
			val = static_cast<TYPE>(_loadStream->read ## STREAM()); \
		else { \
			TYPE tmp = (TYPE)val; \
			_saveStream->write ## STREAM(tmp); \
		} \
		_bytesSynced += SIZE; \
	}
/*
 * Main resource manager
 */
class FileManager {
public:
	bool _isDarkCc;
	CCArchive *_sideArchives[2];
public:
	FileManager(XeenEngine *vm);

	void setGameCc(bool isDarkCc) { _isDarkCc = isDarkCc; }
};

/**
 * Derived file class
 */
class File : public Common::File {
public:
	File() : Common::File() {}
	File(const Common::String &filename) { openFile(filename); }
	File(const Common::String &filename, Common::Archive &archive) {
		openFile(filename, archive);
	}
	virtual ~File() {}

	void openFile(const Common::String &filename);
	void openFile(const Common::String &filename, Common::Archive &archive);

	Common::String readString();
};

class XeenSerializer : public Common::Serializer {
private:
	Common::SeekableReadStream *_in;
public:
	XeenSerializer(Common::SeekableReadStream *in, Common::WriteStream *out) :
		Common::Serializer(in, out), _in(in) {}

	SYNC_AS(Sint8, Byte, int8, 1)

	bool finished() const { return _in != nullptr && _in->pos() >= _in->size(); }
};

/**
* Details of a single entry in a CC file index
*/
struct CCEntry {
	uint16 _id;
	uint32 _offset;
	uint16 _size;

	CCEntry() : _id(0), _offset(0), _size(0) {}
	CCEntry(uint16 id, uint32 offset, uint32 size)
		: _id(id), _offset(offset), _size(size) {
	}
};

/**
* Base Xeen CC file implementation
*/
class BaseCCArchive : public Common::Archive {
protected:
	Common::Array<CCEntry> _index;

	void loadIndex(Common::SeekableReadStream *stream);

	virtual bool getHeaderEntry(const Common::String &resourceName, CCEntry &ccEntry) const;
public:
	static uint16 convertNameToId(const Common::String &resourceName);
public:
	BaseCCArchive() {}

	// Archive implementation
	virtual bool hasFile(const Common::String &name) const;
	virtual int listMembers(Common::ArchiveMemberList &list) const;
	virtual const Common::ArchiveMemberPtr getMember(const Common::String &name) const;
};

/**
* Xeen CC file implementation
*/
class CCArchive : public BaseCCArchive {
private:
	Common::String _filename;
	Common::String _prefix;
	bool _encoded;
protected:
	virtual bool getHeaderEntry(const Common::String &resourceName, CCEntry &ccEntry) const;
public:
	CCArchive(const Common::String &filename, bool encoded);
	CCArchive(const Common::String &filename, const Common::String &prefix, bool encoded);
	virtual ~CCArchive();

	// Archive implementation
	virtual Common::SeekableReadStream *createReadStreamForMember(const Common::String &name) const;
};

} // End of namespace Xeen

#endif /* XEEN_FILES_H */