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 #include "common/debug.h"
23 #include "common/stream.h"
24 
25 #include "engines/advancedDetector.h"
26 
27 #include "sludge/sludge.h"
28 
29 namespace Sludge {
30 
31 struct SludgeGameDescription {
32 	ADGameDescription desc;
33 	uint languageID;
34 };
35 
getLanguageID() const36 uint SludgeEngine::getLanguageID() const { return _gameDescription->languageID; }
getGameId() const37 const char *SludgeEngine::getGameId() const { return _gameDescription->desc.gameId;}
getFeatures() const38 uint32 SludgeEngine::getFeatures() const { return _gameDescription->desc.flags; }
getLanguage() const39 Common::Language SludgeEngine::getLanguage() const { return _gameDescription->desc.language; }
getGameFile() const40 const char *SludgeEngine::getGameFile() const {
41 	return _gameDescription->desc.filesDescriptions[0].fileName;
42 }
43 
44 } // End of namespace Sludge
45 
46 static const PlainGameDescriptor sludgeGames[] = {
47 	{ "sludge", "Sludge Game" },
48 	{ "welcome", "Welcome Example" },
49 	{ "verbcoin", "Verb Coin" },
50 	{ "robinsrescue", "Robin's Rescue" },
51 	{ "outoforder", "Out Of Order" },
52 	{ "frasse", "Frasse and the Peas of Kejick" },
53 	{ "interview", "The Interview" },
54 	{ "life", "Life Flashed By"},
55 	{ "tgttpoacs", "The Game That Takes Place on a Cruise Ship" },
56 	{ "mandy", "Mandy Christmas Adventure" },
57 	{ "cubert", "Cubert Badbone, P.I." },
58 	{ 0, 0 }
59 };
60 
61 #include "sludge/detection_tables.h"
62 
63 static Sludge::SludgeGameDescription s_fallbackDesc =
64 {
65 	{
66 		"",
67 		"",
68 		AD_ENTRY1(0, 0), // This should always be AD_ENTRY1(0, 0) in the fallback descriptor
69 		Common::UNK_LANG,
70 		Common::kPlatformWindows,
71 		ADGF_NO_FLAGS,
72 		GUIO0()
73 	},
74 	0
75 };
76 
77 static char s_fallbackFileNameBuffer[51];
78 
79 class SludgeMetaEngine : public AdvancedMetaEngine {
80 public:
SludgeMetaEngine()81 	SludgeMetaEngine() : AdvancedMetaEngine(Sludge::gameDescriptions, sizeof(Sludge::SludgeGameDescription), sludgeGames) {
82 		_singleId = "sludge";
83 		_maxScanDepth = 1;
84 	}
85 
getName() const86 	virtual const char *getName() const {
87 		return "Sludge";
88 	}
89 
getOriginalCopyright() const90 	virtual const char *getOriginalCopyright() const {
91 		return "Sludge (C) 2000-2014 Hungry Software and contributors";
92 	}
93 
createInstance(OSystem * syst,Engine ** engine,const ADGameDescription * desc) const94 	virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const {
95 		const Sludge::SludgeGameDescription *gd = (const Sludge::SludgeGameDescription *)desc;
96 			if (gd) {
97 				*engine = new Sludge::SludgeEngine(syst, gd);
98 			}
99 			return gd != 0;
100 	}
101 
102 	// for fall back detection
103 	ADDetectedGame fallbackDetect(const FileMap &allFiles, const Common::FSList &fslist) const override;
104 };
105 
fallbackDetect(const FileMap & allFiles,const Common::FSList & fslist) const106 ADDetectedGame SludgeMetaEngine::fallbackDetect(const FileMap &allFiles, const Common::FSList &fslist) const {
107 	// reset fallback description
108 	s_fallbackDesc.desc.gameId = "sludge";
109 	s_fallbackDesc.desc.extra = "";
110 	s_fallbackDesc.desc.language = Common::EN_ANY;
111 	s_fallbackDesc.desc.flags = ADGF_UNSTABLE;
112 	s_fallbackDesc.desc.platform = Common::kPlatformUnknown;
113 	s_fallbackDesc.desc.guiOptions = GUIO0();
114 	s_fallbackDesc.languageID = 0;
115 
116 	for (Common::FSList::const_iterator file = fslist.begin(); file != fslist.end(); ++file) {
117 		if (file->isDirectory())
118 			continue;
119 
120 		Common::String fileName = file->getName();
121 		fileName.toLowercase();
122 		if (!(fileName.hasSuffix(".slg") || fileName == "gamedata"))
123 			continue;
124 
125 		Common::File f;
126 		if (!f.open(*file))
127 			continue;
128 
129 		bool headerBad = false;
130 		if (f.readByte() != 'S')
131 			headerBad = true;
132 		if (f.readByte() != 'L')
133 			headerBad = true;
134 		if (f.readByte() != 'U')
135 			headerBad = true;
136 		if (f.readByte() != 'D')
137 			headerBad = true;
138 		if (f.readByte() != 'G')
139 			headerBad = true;
140 		if (f.readByte() != 'E')
141 			headerBad = true;
142 		if (headerBad) {
143 			continue;
144 		}
145 
146 		strncpy(s_fallbackFileNameBuffer, fileName.c_str(), 50);
147 		s_fallbackFileNameBuffer[50] = '\0';
148 		s_fallbackDesc.desc.filesDescriptions[0].fileName = s_fallbackFileNameBuffer;
149 
150 		ADDetectedGame game;
151 		game.desc = &s_fallbackDesc.desc;
152 
153 		FileProperties tmp;
154 		if (getFileProperties(file->getParent(), allFiles, s_fallbackDesc.desc, fileName, tmp)) {
155 			game.hasUnknownFiles = true;
156 			game.matchedFiles[fileName] = tmp;
157 		}
158 
159 		return game;
160 	}
161 
162 	return ADDetectedGame();
163 }
164 
165 #if PLUGIN_ENABLED_DYNAMIC(SLUDGE)
166 	REGISTER_PLUGIN_DYNAMIC(SLUDGE, PLUGIN_TYPE_ENGINE, SludgeMetaEngine);
167 #else
168 	REGISTER_PLUGIN_STATIC(SLUDGE, PLUGIN_TYPE_ENGINE, SludgeMetaEngine);
169 #endif
170