aboutsummaryrefslogtreecommitdiff
path: root/engines/glk/detection.cpp
blob: 628158f75901fab9688efe456452261c89813201 (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
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
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
/* 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.
 *
 */

#include "glk/glk.h"
#include "glk/detection.h"
#include "glk/quetzal.h"

#ifdef ENABLE_GLK_ADRIFT
#include "glk/adrift/detection.h"
#include "glk/adrift/adrift.h"
#endif

#ifdef ENABLE_GLK_ADVSYS
#include "glk/advsys/detection.h"
#include "glk/advsys/advsys.h"
#endif

#ifdef ENABLE_GLK_AGT
#include "glk/agt/detection.h"
#include "glk/agt/agt.h"
#endif

#ifdef ENABLE_GLK_ALAN2
#include "glk/alan2/detection.h"
#include "glk/alan2/alan2.h"
#endif

#ifdef ENABLE_GLK_ALAN3
#include "glk/alan3/detection.h"
#include "glk/alan3/alan3.h"
#endif

#ifdef ENABLE_GLK_ARCHETYPE
#include "glk/archetype/archetype.h"
#include "glk/archetype/detection.h"
#endif

#ifdef ENABLE_GLK_FROTZ
#include "glk/frotz/detection.h"
#include "glk/frotz/frotz.h"
#endif

#ifdef ENABLE_GLK_GLULXE
#include "glk/glulxe/detection.h"
#include "glk/glulxe/glulxe.h"
#endif

#ifdef ENABLE_GLK_HUGO
#include "glk/hugo/detection.h"
#include "glk/hugo/hugo.h"
#endif

#ifdef ENABLE_GLK_JACL
#include "glk/jacl/detection.h"
#include "glk/jacl/jacl.h"
#endif

#ifdef ENABLE_GLK_LEVEL9
#include "glk/level9/detection.h"
#include "glk/level9/level9.h"
#endif

#ifdef ENABLE_GLK_MAGNETIC
#include "glk/magnetic/detection.h"
#include "glk/magnetic/magnetic.h"
#endif

#ifdef ENABLE_GLK_QUEST
#include "glk/quest/detection.h"
#include "glk/quest/quest.h"
#endif

#ifdef ENABLE_GLK_SCOTT
#include "glk/scott/detection.h"
#include "glk/scott/scott.h"
#endif

#ifdef ENABLE_GLK_TADS
#include "glk/tads/detection.h"
#include "glk/tads/tads2/tads2.h"
#include "glk/tads/tads3/tads3.h"
#endif

#include "base/plugins.h"
#include "common/md5.h"
#include "common/memstream.h"
#include "common/savefile.h"
#include "common/str-array.h"
#include "common/system.h"
#include "graphics/colormasks.h"
#include "graphics/surface.h"
#include "common/config-manager.h"
#include "common/file.h"

namespace Glk {

GlkDetectedGame::GlkDetectedGame(const char *id, const char *desc, const Common::String &filename) :
		DetectedGame("glk", id, desc, Common::EN_ANY, Common::kPlatformUnknown) {
	setGUIOptions(GUIO3(GUIO_NOSPEECH, GUIO_NOMUSIC, GUIO_NOSUBTITLES));
	addExtraEntry("filename", filename);
}

GlkDetectedGame::GlkDetectedGame(const char *id, const char *desc, const Common::String &filename,
		Common::Language lang) : DetectedGame("glk", id, desc, lang, Common::kPlatformUnknown) {
	setGUIOptions(GUIO3(GUIO_NOSPEECH, GUIO_NOMUSIC, GUIO_NOSUBTITLES));
	addExtraEntry("filename", filename);
}

GlkDetectedGame::GlkDetectedGame(const char *id, const char *desc, const char *xtra,
		const Common::String &filename, Common::Language lang) :
		DetectedGame("glk", id, desc, lang, Common::kPlatformUnknown, xtra) {
	setGUIOptions(GUIO3(GUIO_NOSPEECH, GUIO_NOMUSIC, GUIO_NOSUBTITLES));
	addExtraEntry("filename", filename);
}

GlkDetectedGame::GlkDetectedGame(const char *id, const char *desc, const Common::String &filename,
		const Common::String &md5, size_t filesize) :
		DetectedGame("glk", id, desc, Common::UNK_LANG, Common::kPlatformUnknown) {
	setGUIOptions(GUIO3(GUIO_NOSPEECH, GUIO_NOMUSIC, GUIO_NOSUBTITLES));
	addExtraEntry("filename", filename);

	canBeAdded = true;
	hasUnknownFiles = true;

	FileProperties fp;
	fp.md5 = md5;
	fp.size = filesize;
	matchedFiles[filename] = fp;
}

} // End of namespace Glk

bool GlkMetaEngine::hasFeature(MetaEngineFeature f) const {
	return
	    (f == kSupportsListSaves) ||
	    (f == kSupportsLoadingDuringStartup) ||
	    (f == kSupportsDeleteSave) ||
	    (f == kSavesSupportMetaInfo) ||
	    (f == kSavesSupportCreationDate) ||
	    (f == kSavesSupportPlayTime) ||
	    (f == kSimpleSavesNames);
}

bool Glk::GlkEngine::hasFeature(EngineFeature f) const {
	return
	    (f == kSupportsRTL) ||
	    (f == kSupportsLoadingDuringRuntime) ||
	    (f == kSupportsSavingDuringRuntime);
}

template<class META, class ENG>Engine *create(OSystem *syst, Glk::GlkGameDescription &gameDesc) {
	Glk::GameDescriptor gd = META::findGame(gameDesc._gameId.c_str());
	if (gd._description) {
		gameDesc._options = gd._options;
		return new ENG(syst, gameDesc);
	} else {
		return nullptr;
	}
}

Common::Error GlkMetaEngine::createInstance(OSystem *syst, Engine **engine) const {
	Glk::GameDescriptor td = Glk::GameDescriptor::empty();
	assert(engine);

	// Populate the game description
	Glk::GlkGameDescription gameDesc;
	gameDesc._gameId = ConfMan.get("gameid");
	gameDesc._filename = ConfMan.get("filename");

	gameDesc._language = Common::UNK_LANG;
	gameDesc._platform = Common::kPlatformUnknown;
	if (ConfMan.hasKey("language"))
		gameDesc._language = Common::parseLanguage(ConfMan.get("language"));
	if (ConfMan.hasKey("platform"))
		gameDesc._platform = Common::parsePlatform(ConfMan.get("platform"));

	// If the game description has no filename, the engine has been launched directly from
	// the command line. Do a scan for supported games for that Id in the game folder
	if (gameDesc._filename.empty()) {
		gameDesc._filename = findFileByGameId(gameDesc._gameId);
		if (gameDesc._filename.empty())
			return Common::kNoGameDataFoundError;
	}

	// Get the MD5
	Common::File f;
	if (!f.open(Common::FSNode(ConfMan.get("path")).getChild(gameDesc._filename)))
		return Common::kNoGameDataFoundError;

	gameDesc._md5 = Common::computeStreamMD5AsString(f, 5000);
	f.close();

	// Create the correct engine
	*engine = nullptr;
#ifdef ENABLE_GLK_ADRIFT
	if ((*engine = create<Glk::Adrift::AdriftMetaEngine, Glk::Adrift::Adrift>(syst, gameDesc)) != nullptr) {}
	else
#endif
#ifdef ENABLE_GLK_ADVSYS
	if ((*engine = create<Glk::AdvSys::AdvSysMetaEngine, Glk::AdvSys::AdvSys>(syst, gameDesc)) != nullptr) {}
	else
#endif
#ifdef ENABLE_GLK_AGT
		if ((*engine = create<Glk::AGT::AGTMetaEngine, Glk::AGT::AGT>(syst, gameDesc)) != nullptr) {}
		else
#endif
#ifdef ENABLE_GLK_ALAN2
	if ((*engine = create<Glk::Alan2::Alan2MetaEngine, Glk::Alan2::Alan2>(syst, gameDesc)) != nullptr) {}
	else
#endif
#ifdef ENABLE_GLK_ALAN3
	if ((*engine = create<Glk::Alan3::Alan3MetaEngine, Glk::Alan3::Alan3>(syst, gameDesc)) != nullptr) {}
	else
#endif
#ifdef ENABLE_GLK_ARCHETYPE
	if ((*engine = create<Glk::Archetype::ArchetypeMetaEngine, Glk::Archetype::Archetype>(syst, gameDesc)) != nullptr) {}
	else
#endif
#ifdef ENABLE_GLK_FROTZ
	if ((*engine = create<Glk::Frotz::FrotzMetaEngine, Glk::Frotz::Frotz>(syst, gameDesc)) != nullptr) {}
	else
#endif
#ifdef ENABLE_GLK_GLULXE
	if ((*engine = create<Glk::Glulxe::GlulxeMetaEngine, Glk::Glulxe::Glulxe>(syst, gameDesc)) != nullptr) {}
	else
#endif
#ifdef ENABLE_GLK_HUGO
	if ((*engine = create<Glk::Hugo::HugoMetaEngine, Glk::Hugo::Hugo>(syst, gameDesc)) != nullptr) {}
	else
#endif
#ifdef ENABLE_GLK_JACL
	if ((*engine = create<Glk::JACL::JACLMetaEngine, Glk::JACL::JACL>(syst, gameDesc)) != nullptr) {}
	else
#endif
#ifdef ENABLE_GLK_LEVEL9
		if ((*engine = create<Glk::Level9::Level9MetaEngine, Glk::Level9::Level9>(syst, gameDesc)) != nullptr) {}
		else
#endif
#ifdef ENABLE_GLK_MAGNETIC
	if ((*engine = create<Glk::Magnetic::MagneticMetaEngine, Glk::Magnetic::Magnetic>(syst, gameDesc)) != nullptr) {}
	else
#endif
#ifdef ENABLE_GLK_QUEST
	if ((*engine = create<Glk::Quest::QuestMetaEngine, Glk::Quest::Quest>(syst, gameDesc)) != nullptr) {}
	else
#endif
#ifdef ENABLE_GLK_SCOTT
	if ((*engine = create<Glk::Scott::ScottMetaEngine, Glk::Scott::Scott>(syst, gameDesc)) != nullptr) {}
	else
#endif
#ifdef ENABLE_GLK_TADS
	if ((td = Glk::TADS::TADSMetaEngine::findGame(gameDesc._gameId.c_str()))._description) {
		if (td._options & Glk::TADS::OPTION_TADS3)
			*engine = new Glk::TADS::TADS3::TADS3(syst, gameDesc);
		else
			*engine = new Glk::TADS::TADS2::TADS2(syst, gameDesc);
	} else
#endif
	{
		return Common::kNoGameDataFoundError;
	}

	return Common::kNoError;
}

Common::String GlkMetaEngine::findFileByGameId(const Common::String &gameId) const {
	// Get the list of files in the folder and return detection against them
	Common::FSNode folder = Common::FSNode(ConfMan.get("path"));
	Common::FSList fslist;
	folder.getChildren(fslist, Common::FSNode::kListFilesOnly);
	
	// Iterate over the files
	for (Common::FSList::iterator i = fslist.begin(); i != fslist.end(); ++i) {
		// Run a detection on each file in the folder individually
		Common::FSList singleList;
		singleList.push_back(*i);
		DetectedGames games = detectGames(singleList);

		// If a detection was found with the correct game Id, we have a winner
		if (!games.empty() && games.front().gameId == gameId)
			return (*i).getName();
	}

	// No match found
	return Common::String();
}

PlainGameList GlkMetaEngine::getSupportedGames() const {
	PlainGameList list;
#ifdef ENABLE_GLK_ADRIFT
	Glk::Adrift::AdriftMetaEngine::getSupportedGames(list);
#endif
#ifdef ENABLE_GLK_ADVSYS
	Glk::AdvSys::AdvSysMetaEngine::getSupportedGames(list);
#endif
#ifdef ENABLE_GLK_AGT
	Glk::AGT::AGTMetaEngine::getSupportedGames(list);
#endif
#ifdef ENABLE_GLK_ALAN2
	Glk::Alan2::Alan2MetaEngine::getSupportedGames(list);
#endif
#ifdef ENABLE_GLK_ALAN3
	Glk::Alan3::Alan3MetaEngine::getSupportedGames(list);
#endif
#ifdef ENABLE_GLK_ARCHETYPE
	Glk::Archetype::ArchetypeMetaEngine::getSupportedGames(list);
#endif
#ifdef ENABLE_GLK_FROTZ
	Glk::Frotz::FrotzMetaEngine::getSupportedGames(list);
#endif
#ifdef ENABLE_GLK_GLULXE
	Glk::Glulxe::GlulxeMetaEngine::getSupportedGames(list);
#endif
#ifdef ENABLE_GLK_HUGO
	Glk::Hugo::HugoMetaEngine::getSupportedGames(list);
#endif
#ifdef ENABLE_GLK_JACL
	Glk::JACL::JACLMetaEngine::getSupportedGames(list);
#endif
#ifdef ENABLE_GLK_LEVEL9
	Glk::Level9::Level9MetaEngine::getSupportedGames(list);
#endif
#ifdef ENABLE_GLK_MAGNETIC
	Glk::Magnetic::MagneticMetaEngine::getSupportedGames(list);
#endif
#ifdef ENABLE_GLK_QUEST
	Glk::Quest::QuestMetaEngine::getSupportedGames(list);
#endif
#ifdef ENABLE_GLK_SCOTT
	Glk::Scott::ScottMetaEngine::getSupportedGames(list);
#endif
#ifdef ENABLE_GLK_TADS
	Glk::TADS::TADSMetaEngine::getSupportedGames(list);
#endif

	return list;
}

#define FIND_GAME(SUBENGINE) \
	Glk::GameDescriptor gd##SUBENGINE = Glk::SUBENGINE::SUBENGINE##MetaEngine::findGame(gameId); \
	if (gd##SUBENGINE._description) return gd##SUBENGINE

PlainGameDescriptor GlkMetaEngine::findGame(const char *gameId) const {
#ifdef ENABLE_GLK_ADRIFT
	FIND_GAME(Adrift);
#endif
#ifdef ENABLE_GLK_ADVSYS
	FIND_GAME(AdvSys);
#endif
#ifdef ENABLE_GLK_ALAN2
	FIND_GAME(Alan2);
#endif
#ifdef ENABLE_GLK_AGT
	FIND_GAME(AGT);
#endif
#ifdef ENABLE_GLK_ALAN3
	FIND_GAME(Alan3);
#endif
#ifdef ENABLE_GLK_ARCHETYPE
	FIND_GAME(Archetype);
#endif
#ifdef ENABLE_GLK_FROTZ
	FIND_GAME(Frotz);
#endif
#ifdef ENABLE_GLK_GLULXE
	FIND_GAME(Glulxe);
#endif
#ifdef ENABLE_GLK_HUGO
	FIND_GAME(Hugo);
#endif
#ifdef ENABLE_GLK_JACL
	FIND_GAME(JACL);
#endif
#ifdef ENABLE_GLK_LEVEL9
	FIND_GAME(Level9);
#endif
#ifdef ENABLE_GLK_MAGNETIC
	FIND_GAME(Magnetic);
#endif
#ifdef ENABLE_GLK_QUEST
	FIND_GAME(Quest);
#endif
#ifdef ENABLE_GLK_SCOTT
	FIND_GAME(Scott);
#endif
#ifdef ENABLE_GLK_TADS
	FIND_GAME(TADS);
#endif

	return PlainGameDescriptor();
}

#undef FIND_GAME

DetectedGames GlkMetaEngine::detectGames(const Common::FSList &fslist) const {
	// This is as good a place as any to detect multiple sub-engines using the same Ids
	detectClashes();

	DetectedGames detectedGames;
#ifdef ENABLE_GLK_ADRIFT
	Glk::Adrift::AdriftMetaEngine::detectGames(fslist, detectedGames);
#endif
#ifdef ENABLE_GLK_ADVSYS
	Glk::AdvSys::AdvSysMetaEngine::detectGames(fslist, detectedGames);
#endif
#ifdef ENABLE_GLK_AGT
	Glk::AGT::AGTMetaEngine::detectGames(fslist, detectedGames);
#endif
#ifdef ENABLE_GLK_ALAN2
	Glk::Alan2::Alan2MetaEngine::detectGames(fslist, detectedGames);
#endif
#ifdef ENABLE_GLK_ALAN3
	Glk::Alan3::Alan3MetaEngine::detectGames(fslist, detectedGames);
#endif
#ifdef ENABLE_GLK_ARCHETYPE
	Glk::Archetype::ArchetypeMetaEngine::detectGames(fslist, detectedGames);
#endif
#ifdef ENABLE_GLK_FROTZ
	Glk::Frotz::FrotzMetaEngine::detectGames(fslist, detectedGames);
#endif
#ifdef ENABLE_GLK_GLULXE
	Glk::Glulxe::GlulxeMetaEngine::detectGames(fslist, detectedGames);
#endif
#ifdef ENABLE_GLK_HUGO
	Glk::Hugo::HugoMetaEngine::detectGames(fslist, detectedGames);
#endif
#ifdef ENABLE_GLK_JACL
	Glk::JACL::JACLMetaEngine::detectGames(fslist, detectedGames);
#endif
#ifdef ENABLE_GLK_LEVEL9
	Glk::Level9::Level9MetaEngine::detectGames(fslist, detectedGames);
#endif
#ifdef ENABLE_GLK_MAGNETIC
	Glk::Magnetic::MagneticMetaEngine::detectGames(fslist, detectedGames);
#endif
#ifdef ENABLE_GLK_QUEST
	Glk::Quest::QuestMetaEngine::detectGames(fslist, detectedGames);
#endif
#ifdef ENABLE_GLK_SCOTT
	Glk::Scott::ScottMetaEngine::detectGames(fslist, detectedGames);
#endif
#ifdef ENABLE_GLK_TADS
	Glk::TADS::TADSMetaEngine::detectGames(fslist, detectedGames);
#endif

	return detectedGames;
}

void GlkMetaEngine::detectClashes() const {
	Common::StringMap map;
#ifdef ENABLE_GLK_ADRIFT
	Glk::Adrift::AdriftMetaEngine::detectClashes(map);
#endif
#ifdef ENABLE_GLK_ADVSYS
	Glk::AdvSys::AdvSysMetaEngine::detectClashes(map);
#endif
#ifdef ENABLE_GLK_AGT
	Glk::AGT::AGTMetaEngine::detectClashes(map);
#endif
#ifdef ENABLE_GLK_ALAN2
	Glk::Alan2::Alan2MetaEngine::detectClashes(map);
#endif
#ifdef ENABLE_GLK_ALAN3
	Glk::Alan3::Alan3MetaEngine::detectClashes(map);
#endif
#ifdef ENABLE_GLK_ARCHETYPE
	Glk::Archetype::ArchetypeMetaEngine::detectClashes(map);
#endif
#ifdef ENABLE_GLK_FROTZ
	Glk::Frotz::FrotzMetaEngine::detectClashes(map);
#endif
#ifdef ENABLE_GLK_GLULXE
	Glk::Glulxe::GlulxeMetaEngine::detectClashes(map);
#endif
#ifdef ENABLE_GLK_HUGO
	Glk::Hugo::HugoMetaEngine::detectClashes(map);
#endif
#ifdef ENABLE_GLK_JACL
	Glk::JACL::JACLMetaEngine::detectClashes(map);
#endif
#ifdef ENABLE_GLK_LEVEL9
	Glk::Level9::Level9MetaEngine::detectClashes(map);
#endif
#ifdef ENABLE_GLK_MAGNETIC
	Glk::Magnetic::MagneticMetaEngine::detectClashes(map);
#endif
#ifdef ENABLE_GLK_QUEST
	Glk::Quest::QuestMetaEngine::detectClashes(map);
#endif
#ifdef ENABLE_GLK_SCOTT
	Glk::Scott::ScottMetaEngine::detectClashes(map);
#endif
#ifdef ENABLE_GLK_TADS
	Glk::TADS::TADSMetaEngine::detectClashes(map);
#endif
}

SaveStateList GlkMetaEngine::listSaves(const char *target) const {
	Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
	Common::StringArray filenames;
	Common::String saveDesc;
	Common::String pattern = Common::String::format("%s.0##", target);

	filenames = saveFileMan->listSavefiles(pattern);

	SaveStateList saveList;
	for (Common::StringArray::const_iterator file = filenames.begin(); file != filenames.end(); ++file) {
		const char *ext = strrchr(file->c_str(), '.');
		int slot = ext ? atoi(ext + 1) : -1;

		if (slot >= 0 && slot <= MAX_SAVES) {
			Common::InSaveFile *in = g_system->getSavefileManager()->openForLoading(*file);

			if (in) {
				Common::String saveName;
				if (Glk::QuetzalReader::getSavegameDescription(in, saveName))
					saveList.push_back(SaveStateDescriptor(slot, saveName));

				delete in;
			}
		}
	}

	// Sort saves based on slot number.
	Common::sort(saveList.begin(), saveList.end(), SaveStateDescriptorSlotComparator());
	return saveList;
}

int GlkMetaEngine::getMaximumSaveSlot() const {
	return MAX_SAVES;
}

void GlkMetaEngine::removeSaveState(const char *target, int slot) const {
	Common::String filename = Common::String::format("%s.%03d", target, slot);
	g_system->getSavefileManager()->removeSavefile(filename);
}

SaveStateDescriptor GlkMetaEngine::querySaveMetaInfos(const char *target, int slot) const {
	Common::String filename = Common::String::format("%s.%03d", target, slot);
	Common::InSaveFile *in = g_system->getSavefileManager()->openForLoading(filename);
	SaveStateDescriptor ssd;
	bool result = false;

	if (in) {
		result = Glk::QuetzalReader::getSavegameMetaInfo(in, ssd);
		ssd.setSaveSlot(slot);
		delete in;
	}

	if (result)
		return ssd;

	return SaveStateDescriptor();
}

#if PLUGIN_ENABLED_DYNAMIC(GLK)
REGISTER_PLUGIN_DYNAMIC(GLK, PLUGIN_TYPE_ENGINE, GlkMetaEngine);
#else
REGISTER_PLUGIN_STATIC(GLK, PLUGIN_TYPE_ENGINE, GlkMetaEngine);
#endif