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
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
/* 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 CHEWY_RESOURCE_H
#define CHEWY_RESOURCE_H
#include "common/scummsys.h"
#include "common/file.h"
#include "common/util.h"
#include "common/str.h"
#include "common/hashmap.h"
#include "common/hash-str.h"
#include "common/random.h"
#include "common/stream.h"
#include "graphics/surface.h"
namespace Chewy {
enum ResourceType {
kResourcePCX = 0, // unused
kResourceTBF = 1, // background art, contained in TGPs
kResourceTAF = 2,
kResourceTFF = 3,
kResourceVOC = 4, // speech and SFX, contained in TVPs
kResourceTPF = 5, // unused
kResourceTMF = 6, // music, similar to a MOD file, contained in details.tap
kResourceMOD = 7, // unused
kResourceRAW = 8, // unused
kResourceLBM = 9, // unused
kResourceRDI = 10,
kResourceTXT = 11,
kResourceIIB = 12,
kResourceSIB = 13,
kResourceEIB = 14,
kResourceATS = 15, // unused
kResourceSAA = 16, // unused
kResourceFLC = 17, // unused
kResourceAAD = 18, // unused
kResourceADS = 19, // unused
kResourceADH = 20, // used in txt/diah.adh
kResourceTGP = 21, // container for background art, used in back/comic.tgp, back/episode1.tgp and back/gbook.tgp
kResourceTVP = 22, // container for speech, used in sound/speech.tvp
kResourceTTP = 23, // unused
kResourceTAP = 24, // container for sound effects, music and cutscenes, used in sound/details.tap and cut/cut.tap
kResourceCFO = 25, // unused
kResourceTCF = 26 // error messages, used in err/err_e.tcf (English) and err/err_d.tcf (German)
};
// Generic chunk header
struct Chunk {
uint32 size;
uint16 num; // same as the type below, used in chunks where the type is substituted with count
ResourceType type;
uint32 pos; // position of the actual data
};
// TBF (background) chunk header
struct TBFChunk {
// TBF chunk header
// ID (TBF, followed by a zero)
uint16 screenMode;
uint16 compressionFlag;
uint32 size;
uint16 width;
uint16 height;
byte palette[3 * 256];
byte *data;
};
// TAF (sprite) image data chunk header - 15 bytes
struct TAFChunk {
uint16 compressionFlag;
uint16 width;
uint16 height;
// 4 bytes next sprite offset
// 4 bytes sprite image offset
// 1 byte padding
byte *data;
};
// Sound chunk header
struct SoundChunk {
uint32 size;
byte *data;
};
// Video chunk header
struct VideoChunk {
// ID (CFA, followed by a zero)
uint32 size;
uint16 frameCount;
uint16 width;
uint16 height;
uint32 frameDelay; // in ms
uint32 firstFrameOffset;
};
enum VideoFrameType {
kVideoFrameNormal = 0xF1FA,
kVideoFrameCustom = 0xFAF1
};
typedef Common::Array<Chunk> ChunkList;
typedef Common::Array<TBFChunk> TBFChunkList;
class Resource {
public:
Resource(Common::String filename);
virtual ~Resource();
ResourceType getType() const { return _resType; }
uint32 getChunkCount() const;
Chunk *getChunk(uint num);
virtual byte *getChunkData(uint num);
protected:
void initSprite(Common::String filename);
void unpackRLE(byte *buffer, uint32 compressedSize, uint32 uncompressedSize);
void decrypt(byte *data, uint32 size);
Common::File _stream;
uint16 _chunkCount;
ResourceType _resType;
bool _encrypted;
ChunkList _chunkList;
};
class SpriteResource : public Resource {
public:
SpriteResource(Common::String filename) : Resource(filename) {}
virtual ~SpriteResource() {}
TAFChunk *getSprite(uint num);
};
class BackgroundResource : public Resource {
public:
BackgroundResource(Common::String filename) : Resource(filename) {}
virtual ~BackgroundResource() {}
TBFChunk *getImage(uint num);
};
class SoundResource : public Resource {
public:
SoundResource(Common::String filename) : Resource(filename) {}
virtual ~SoundResource() {}
SoundChunk *getSound(uint num);
};
class VideoResource : public Resource {
public:
VideoResource(Common::String filename) : Resource(filename) {}
virtual ~VideoResource() {}
VideoChunk *getVideoHeader(uint num);
Common::SeekableReadStream *getVideoStream(uint num);
};
} // End of namespace Chewy
#endif
|
