1 /* ScummVM - Graphic Adventure Engine
2  *
3  * ScummVM is the legal property of its developers, whose names
4  * are too numerous to list here. Please refer to the COPYRIGHT
5  * file distributed with this source distribution.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
10  * of the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20  *
21  */
22 
23 #ifndef TWINE_RESOURCES_HQR_H
24 #define TWINE_RESOURCES_HQR_H
25 
26 #include "common/scummsys.h"
27 #include "common/stream.h"
28 #include "twine/shared.h"
29 
30 namespace TwinE {
31 
32 class TwinEEngine;
33 
34 /**
35  * High Quality Resource
36  *
37  * http://lbafileinfo.kazekr.net/index.php?title=High_quality_resource
38  */
39 namespace HQR {
40 
41 
42 /**
43  * Get a HQR entry pointer
44  * @param ptr pointer to save the entry
45  * @param filename HQR file name
46  * @param index entry index to extract
47  * @return entry real size
48  */
49 int32 getEntry(uint8 *ptr, const char *filename, int32 index);
getEntry(uint8 * ptr,const TwineResource & resource)50 inline int32 getEntry(uint8 *ptr, const TwineResource &resource) {
51 	return getEntry(ptr, resource.hqr, resource.index);
52 }
53 
54 /**
55  * Get a HQR entry pointer
56  * @param filename HQR file name
57  * @param index entry index to extract
58  * @return entry real size
59  */
60 int32 entrySize(const char *filename, int32 index);
entrySize(const TwineResource & resource)61 inline int32 entrySize(const TwineResource &resource) {
62 	return entrySize(resource.hqr, resource.index);
63 }
64 
65 /**
66  * Get a HQR total number of entries
67  * @param filename HQR file name
68  * @return total number of entries
69  */
70 int32 numEntries(const char *filename);
71 
72 /**
73  * Get a HQR entry pointer with memory allocation
74  * @param ptr pointer to save the entry. This pointer is automatically freed and therefore must be initialized
75  * to @c nullptr on the first run.
76  * @param filename HQR file name
77  * @param index entry index to extract
78  * @return entry real size
79  */
80 int32 getAllocEntry(uint8 **ptr, const char *filename, int32 index);
getAllocEntry(uint8 ** ptr,const TwineResource & resource)81 inline int32 getAllocEntry(uint8 **ptr, const TwineResource &resource) {
82 	return getAllocEntry(ptr, resource.hqr, resource.index);
83 }
84 
85 /**
86  * @brief Helper method to dump the content of the given hqr index to a file
87  */
88 bool dumpEntry(const char *filename, int32 index, const char *targetFileName);
dumpEntry(const TwineResource & resource,const char * targetFileName)89 inline bool dumpEntry(const TwineResource &resource, const char *targetFileName) {
90 	return dumpEntry(resource.hqr, resource.index, targetFileName);
91 }
92 
93 /**
94  * Get a HQR entry pointer
95  * @param ptr pointer to save the entry
96  * @param filename HQR file name
97  * @param index entry index to extract
98  * @return entry real size
99  */
100 int32 getVoxEntry(uint8 *ptr, const char *filename, int32 index, int32 hiddenIndex);
101 /**
102  * Get a HQR entry pointer with memory allocation
103  * @param ptr pointer to save the entry. This pointer is automatically freed and therefore must be initialized
104  * to @c nullptr on the first run.
105  * @param filename HQR file name
106  * @param index entry index to extract
107  * @return entry real size
108  */
109 int32 getAllocVoxEntry(uint8 **ptr, const char *filename, int32 index, int32 hiddenIndex);
110 
111 Common::SeekableReadStream *makeReadStream(const char *filename, int index);
makeReadStream(const TwineResource & resource)112 inline Common::SeekableReadStream *makeReadStream(const TwineResource &resource) {
113 	return makeReadStream(resource.hqr, resource.index);
114 }
115 } // namespace HQR
116 
117 } // namespace TwinE
118 
119 #endif
120