aboutsummaryrefslogtreecommitdiff
path: root/engines/xeen/detection.cpp
blob: f59f7c8b2ca7d2035ec0b0bc155c3a620e907118 (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
/* 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 "xeen/xeen.h"
#include "xeen/worldofxeen/worldofxeen.h"

#include "base/plugins.h"
#include "common/savefile.h"
#include "engines/advancedDetector.h"
#include "common/system.h"

#define MAX_SAVES 99

namespace Xeen {

struct XeenGameDescription {
	ADGameDescription desc;

	int gameID;
	uint32 features;
};

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

uint32 XeenEngine::getGameFeatures() const {
	return _gameDescription->features;
}

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

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

Common::Platform XeenEngine::getPlatform() const {
	return _gameDescription->desc.platform;
}

} // End of namespace Xeen

static const PlainGameDescriptor XeenGames[] = {
	{ "xeen", "Xeen" },
	{ "clouds", "Clouds of Xeen" },
	{ "darkside", "Dark Side of Xeen" },
	{ "worldofxeen", "World of Xeen" },
	{0, 0}
};

#include "xeen/detection_tables.h"

class XeenMetaEngine : public AdvancedMetaEngine {
public:
	XeenMetaEngine() : AdvancedMetaEngine(Xeen::gameDescriptions, sizeof(Xeen::XeenGameDescription), XeenGames) {
		_maxScanDepth = 3;
	}

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

	virtual const char *getOriginalCopyright() const {
		return "Xeen Engine (c) ???";
	}

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

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

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

bool XeenMetaEngine::createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const {
	const Xeen::XeenGameDescription *gd = (const Xeen::XeenGameDescription *)desc;

	switch (gd->gameID) {
	case Xeen::GType_Clouds:
	case Xeen::GType_DarkSide:
	case Xeen::GType_WorldOfXeen:
		*engine = new Xeen::WorldOfXeen::WorldOfXeenEngine(syst, gd);
		break;
	default:
		error("Invalid game");
	}

	return gd != 0;
}

SaveStateList XeenMetaEngine::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);
	Xeen::XeenSavegameHeader header;

	filenames = saveFileMan->listSavefiles(pattern);
	sort(filenames.begin(), filenames.end());   // Sort to get the files in numerical order

	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) {
				Xeen::SavesManager::readSavegameHeader(in, header);
				saveList.push_back(SaveStateDescriptor(slot, header._saveName));

				if (header._thumbnail)
					header._thumbnail->free();
				delete header._thumbnail;
				delete in;
			}
		}
	}

	return saveList;
}

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

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

SaveStateDescriptor XeenMetaEngine::querySaveMetaInfos(const char *target, int slot) const {
	Common::String filename = Common::String::format("%s.%03d", target, slot);
	Common::InSaveFile *f = g_system->getSavefileManager()->openForLoading(filename);

	if (f) {
		Xeen::XeenSavegameHeader header;
		Xeen::SavesManager::readSavegameHeader(f, header);
		delete f;

		// Create the return descriptor
		SaveStateDescriptor desc(slot, header._saveName);
		desc.setThumbnail(header._thumbnail);
		desc.setSaveDate(header._year, header._month, header._day);
		desc.setSaveTime(header._hour, header._minute);
		desc.setPlayTime(header._totalFrames * GAME_FRAME_TIME);

		return desc;
	}

	return SaveStateDescriptor();
}


#if PLUGIN_ENABLED_DYNAMIC(XEEN)
	REGISTER_PLUGIN_DYNAMIC(XEEN, PLUGIN_TYPE_ENGINE, XeenMetaEngine);
#else
	REGISTER_PLUGIN_STATIC(XEEN, PLUGIN_TYPE_ENGINE, XeenMetaEngine);
#endif