MUTATIONOFJB: Base for new engine

1 files changed, 113 insertions, 0 deletions

diff --git a/engines/mutationofjb/detection.cpp b/engines/mutationofjb/detection.cpp
new file mode 100644
index 0000000000..f95f696f29
--- /dev/null
+++ b/engines/mutationofjb/detection.cpp
@@ -0,0 +1,113 @@
+/* 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 "mutationofjb/mutationofjb.h"
+
+#include "common/config-manager.h"
+
+#include "engines/metaengine.h"
+
+static const PlainGameDescriptor mutationofjb_setting[] = {
+	{"mutationofjb", "Mutation of J.B."},
+	{0, 0}
+};
+
+class MutationOfJBMetaEngine : public MetaEngine {
+public:
+	virtual const char *getName() const {
+		return "Mutation of J.B.";
+	}
+
+	virtual const char *getOriginalCopyright() const {
+		return "Mutation of J.B. (C) 1996 RIKI Computer Games";
+	}
+
+	virtual PlainGameList getSupportedGames() const {
+		PlainGameList games;
+		const PlainGameDescriptor *g = mutationofjb_setting;
+		while (g->gameId) {
+			games.push_back(*g);
+			g++;
+		}
+
+		return games;
+	}
+
+	virtual PlainGameDescriptor findGame(const char *gameid) const {
+		const PlainGameDescriptor *g = mutationofjb_setting;
+		while (g->gameId) {
+			if (0 == scumm_stricmp(gameid, g->gameId))
+				return *g;
+			g++;
+		}
+		return PlainGameDescriptor::empty();
+	}
+
+	virtual DetectedGames detectGames(const Common::FSList &fslist) const {
+		DetectedGames detectedGames;
+
+		for (Common::FSList::const_iterator file = fslist.begin(); file != fslist.end(); ++file) {
+			if (!file->isDirectory()) {
+				const char *gameName = file->getName().c_str();
+
+				if (0 == scumm_stricmp("startup.dat", gameName)) {
+					detectedGames.push_back(DetectedGame(mutationofjb_setting[0]));
+					break;
+				}
+			}
+		}
+		return detectedGames;
+	}
+
+	virtual Common::Error createInstance(OSystem *syst, Engine **engine) const {
+		assert(syst);
+		assert(engine);
+
+		Common::FSList fslist;
+		Common::FSNode dir(ConfMan.get("path"));
+		if (!dir.getChildren(fslist, Common::FSNode::kListAll)) {
+			return Common::kNoGameDataFoundError;
+		}
+
+		// Invoke the detector
+		Common::String gameid = ConfMan.get("gameid");
+		DetectedGames detectedGames = detectGames(fslist);
+
+		for (uint i = 0; i < detectedGames.size(); i++) {
+			if (detectedGames[i].gameId == gameid) {
+				// At this point you may want to perform additional sanity checks.
+				*engine = new MutationOfJB::MutationOfJBEngine(syst);
+				return Common::kNoError;
+			}
+		}
+
+		// Failed to find any game data
+		return Common::kNoGameDataFoundError;
+	}
+};
+
+#if PLUGIN_ENABLED_DYNAMIC(MUTATIONOFJB)
+	REGISTER_PLUGIN_DYNAMIC(MUTATIONOFJB, PLUGIN_TYPE_ENGINE, MutationOfJBMetaEngine);
+#else
+	REGISTER_PLUGIN_STATIC(MUTATIONOFJB, PLUGIN_TYPE_ENGINE, MutationOfJBMetaEngine);
+#endif
+