aboutsummaryrefslogtreecommitdiff
path: root/engines/tsage/detection.cpp
blob: aaa9030a046b669c72b85824efeff1937fc3acc1 (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
/* 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 "common/config-manager.h"
#include "common/system.h"
#include "common/savefile.h"

#include "engines/advancedDetector.h"

#include "base/plugins.h"

#include "tsage/tsage.h"

namespace tSage {

struct tSageGameDescription {
	ADGameDescription desc;

	int gameID;
	uint32 features;
};

const char *TSageEngine::getGameId() const {
	return _gameDescription->desc.gameid;
}

uint32 TSageEngine::getGameID() const {
	return _gameDescription->gameID;
}

uint32 TSageEngine::getFeatures() const {
	return _gameDescription->features;
}

Common::String TSageEngine::getPrimaryFilename() const {
	return Common::String(_gameDescription->desc.filesDescriptions[0].fileName);
}

} // End of namespace tSage

static const PlainGameDescriptor tSageGameTitles[] = {
	{ "tsage", "Unknown Tsunami TSAGE-based Game" },
	{ "ring", "Ringworld: Revenge of the Patriarch" },
	{ "blueforce", "Blue Force" },
	{ 0, 0 }
};

#include "engines/tsage/detection_tables.h"

enum {
	MAX_SAVES = 100
};

class TSageMetaEngine : public AdvancedMetaEngine {
public:
	TSageMetaEngine() : AdvancedMetaEngine(tSage::gameDescriptions, sizeof(tSage::tSageGameDescription), tSageGameTitles) {
		_md5Bytes = 5000;
		_singleid = "tsage";
		_guioptions = Common::GUIO_NOSPEECH;
	}

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

	virtual const char *getOriginalCopyright() const {
		return "(c) Tsunami Media";
	}

	virtual bool hasFeature(MetaEngineFeature f) const {
		switch (f) {
		case kSupportsListSaves:
		case kSupportsDeleteSave:
		case kSupportsLoadingDuringStartup:
		case kSavesSupportMetaInfo:
		case kSavesSupportThumbnail:
		case kSavesSupportCreationDate:
		case kSavesSupportPlayTime:
			return true;
		default:
			return false;
		}
	}

	virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const {
		if (desc) {
			*engine = new tSage::TSageEngine(syst, (const tSage::tSageGameDescription *)desc);
		}
		return desc != 0;
	}

	static Common::String generateGameStateFileName(const char *target, int slot) {
		return Common::String::format("%s.%03d", target, slot);
	}

	virtual SaveStateList listSaves(const char *target) const {
		Common::String pattern = target;
		pattern += ".???";

		Common::StringArray filenames = g_system->getSavefileManager()->listSavefiles(pattern);
		sort(filenames.begin(), filenames.end());
		tSage::tSageSavegameHeader header;

		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) {
					if (tSage::Saver::readSavegameHeader(in, header)) {
						saveList.push_back(SaveStateDescriptor(slot, header.saveName));
						delete header.thumbnail;
					}

					delete in;
				}
			}
		}

		return saveList;
	}

	virtual int getMaximumSaveSlot() const {
		return MAX_SAVES - 1;
	}

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

	SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const {
		Common::InSaveFile *f = g_system->getSavefileManager()->openForLoading(
			generateGameStateFileName(target, slot));
		assert(f);

		tSage::tSageSavegameHeader header;
		tSage::Saver::readSavegameHeader(f, header);
		delete f;

		// Create the return descriptor
		SaveStateDescriptor desc(slot, header.saveName);
		desc.setDeletableFlag(true);
		desc.setWriteProtectedFlag(false);
		desc.setThumbnail(header.thumbnail);
		desc.setSaveDate(header.saveYear, header.saveMonth, header.saveDay);
		desc.setSaveTime(header.saveHour, header.saveMinutes);
		desc.setPlayTime(header.totalFrames * GAME_FRAME_TIME);

		return desc;
	}
};

#if PLUGIN_ENABLED_DYNAMIC(TSAGE)
REGISTER_PLUGIN_DYNAMIC(TSAGE, PLUGIN_TYPE_ENGINE, TSageMetaEngine);
#else
REGISTER_PLUGIN_STATIC(TSAGE, PLUGIN_TYPE_ENGINE, TSageMetaEngine);
#endif