aboutsummaryrefslogtreecommitdiff
path: root/engines/zvision/detection.cpp
blob: 62d834ac3ff48660fae387c38638a4f7dbf7901f (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
/* 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 "base/plugins.h"

#include "engines/advancedDetector.h"

#include "common/translation.h"
#include "common/savefile.h"
#include "common/str-array.h"
#include "common/system.h"

#include "zvision/zvision.h"


namespace ZVision {

struct ZVisionGameDescription {
	ADGameDescription desc;
};

uint32 ZVision::getFeatures() const {
	return _gameDescription->desc.flags;
}

Common::Language ZVision::getLanguage() const {
	return _gameDescription->desc.language;
}

}

static const PlainGameDescriptor zVisionGames[] = {
	{"zvision",  "ZVision Game"},
	{"znemesis", "Zork Nemesis: The Forbidden Lands"},
	{"zgi",      "Zork: Grand Inquisitor"},
	{0, 0}
};


namespace ZVision {

static const ZVisionGameDescription gameDescriptions[] = {

	{
		// Zork Nemesis English version
		{
			"znemesis",
			0,
			AD_ENTRY1s("CSCR.ZFS", "88226e51a205d2e50c67a5237f3bd5f2", 2397741),
			Common::EN_ANY,
			Common::kPlatformDOS,
			ADGF_NO_FLAGS,
			GUIO1(GUIO_NONE)
		},
	},

	{ AD_TABLE_END_MARKER }
};

} // End of namespace ZVision

static const char *directoryGlobs[] = {
	"znemscr",
	0
};

static const ExtraGuiOption ZVisionExtraGuiOption = {
	_s("Use original save/load screens"),
	_s("Use the original save/load screens, instead of the ScummVM ones"),
	"originalsaveload",
	false
};

class ZVisionMetaEngine : public AdvancedMetaEngine {
public:
	ZVisionMetaEngine() : AdvancedMetaEngine(ZVision::gameDescriptions, sizeof(ZVision::ZVisionGameDescription), zVisionGames) {
		_maxScanDepth = 2;
		_directoryGlobs = directoryGlobs;
		_singleid = "zvision";
	}

	virtual const char *getName() const {
		return "ZVision";
	}

	virtual const char *getOriginalCopyright() const {
		return "ZVision Activision (C) 1996";
	}

	virtual bool hasFeature(MetaEngineFeature f) const;
	virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const;
	virtual const ExtraGuiOptions getExtraGuiOptions(const Common::String &target) const;
	SaveStateList listSaves(const char *target) const;
	virtual int getMaximumSaveSlot() const;
	void removeSaveState(const char *target, int slot) const;
	SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const;
};

bool ZVisionMetaEngine::hasFeature(MetaEngineFeature f) const {
	return false;
		/*
		(f == kSupportsListSaves) ||
		(f == kSupportsLoadingDuringStartup) ||
		(f == kSupportsDeleteSave) ||
		(f == kSavesSupportMetaInfo) ||
		(f == kSavesSupportThumbnail) ||
		(f == kSavesSupportCreationDate) ||
		(f == kSavesSupportPlayTime);
		*/
}

/*bool ZVision::ZVision::hasFeature(EngineFeature f) const {
	return
		(f == kSupportsRTL) ||
		(f == kSupportsLoadingDuringRuntime) ||
		(f == kSupportsSavingDuringRuntime);
}*/

bool ZVisionMetaEngine::createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const {
	const ZVision::ZVisionGameDescription *gd = (const ZVision::ZVisionGameDescription *)desc;
	if (gd) {
		*engine = new ZVision::ZVision(syst, gd);
	}
	return gd != 0;
}

const ExtraGuiOptions ZVisionMetaEngine::getExtraGuiOptions(const Common::String &target) const {
	ExtraGuiOptions options;
	options.push_back(ZVisionExtraGuiOption);
	return options;
}

SaveStateList ZVisionMetaEngine::listSaves(const char *target) const {
	//Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
	/*ZVision::ZVision::SaveHeader header;
	Common::String pattern = target;
	pattern += ".???";

	Common::StringArray filenames;
	filenames = saveFileMan->listSavefiles(pattern.c_str());
	Common::sort(filenames.begin(), filenames.end());	// Sort (hopefully ensuring we are sorted numerically..)*/

	SaveStateList saveList;
/*	for (Common::StringArray::const_iterator file = filenames.begin(); file != filenames.end(); file++) {
		// Obtain the last 3 digits of the filename, since they correspond to the save slot
		int slotNum = atoi(file->c_str() + file->size() - 3);

		if (slotNum >= 0 && slotNum <= 999) {
			Common::InSaveFile *in = saveFileMan->openForLoading(file->c_str());
			if (in) {
				if (ZVision::ZVision::readSaveHeader(in, false, header) == ZVision::ZVision::kRSHENoError) {
					saveList.push_back(SaveStateDescriptor(slotNum, header.description));
				}
				delete in;
			}
		}
	}*/

	return saveList;
}

int ZVisionMetaEngine::getMaximumSaveSlot() const {
	return 999;
}

void ZVisionMetaEngine::removeSaveState(const char *target, int slot) const {
	/*
	Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
	Common::String filename = ZVision::ZVision::getSavegameFilename(target, slot);

	saveFileMan->removeSavefile(filename.c_str());

	Common::StringArray filenames;
	Common::String pattern = target;
	pattern += ".???";
	filenames = saveFileMan->listSavefiles(pattern.c_str());
	Common::sort(filenames.begin(), filenames.end());	// Sort (hopefully ensuring we are sorted numerically..)

	for (Common::StringArray::const_iterator file = filenames.begin(); file != filenames.end(); ++file) {
		// Obtain the last 3 digits of the filename, since they correspond to the save slot
		int slotNum = atoi(file->c_str() + file->size() - 3);

		// Rename every slot greater than the deleted slot,
		if (slotNum > slot) {
			saveFileMan->renameSavefile(file->c_str(), filename.c_str());
			filename = ZVision::ZVision::getSavegameFilename(target, ++slot);
		}
	}
	*/
}

SaveStateDescriptor ZVisionMetaEngine::querySaveMetaInfos(const char *target, int slot) const {
	/*
	Common::String filename = ZVision::ZVision::getSavegameFilename(target, slot);
	Common::InSaveFile *in = g_system->getSavefileManager()->openForLoading(filename.c_str());

	if (in) {
		ZVision::ZVision::SaveHeader header;
		ZVision::ZVision::kReadSaveHeaderError error;

		error = ZVision::ZVision::readSaveHeader(in, true, header);
		delete in;

		if (error == ZVision::ZVision::kRSHENoError) {
			SaveStateDescriptor desc(slot, header.description);

			desc.setThumbnail(header.thumbnail);

			if (header.version > 0) {
				int day = (header.saveDate >> 24) & 0xFF;
				int month = (header.saveDate >> 16) & 0xFF;
				int year = header.saveDate & 0xFFFF;

				desc.setSaveDate(year, month, day);

				int hour = (header.saveTime >> 16) & 0xFF;
				int minutes = (header.saveTime >> 8) & 0xFF;

				desc.setSaveTime(hour, minutes);

				desc.setPlayTime(header.playTime * 1000);
			}

			return desc;
		}
	}
	*/

	return SaveStateDescriptor();
}

#if PLUGIN_ENABLED_DYNAMIC(ZVISION)
	REGISTER_PLUGIN_DYNAMIC(ZVISION, PLUGIN_TYPE_ENGINE, ZVisionMetaEngine);
#else
	REGISTER_PLUGIN_STATIC(ZVISION, PLUGIN_TYPE_ENGINE, ZVisionMetaEngine);
#endif