convert residual into multi engine support (not all things done yet, WIP)

engines/grim/detection.cpp

@@ -0,0 +1,124 @@
+/* Residual - Virtual machine to run LucasArts' 3D adventure games
+ *
+ * Residual is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the AUTHORS
+ * file distributed with this source distribution.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+
+ * This library 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
+ * Lesser General Public License for more details.
+
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#include "base/plugins.h"
+
+#include "engines/advancedDetector.h"
+#include "common/file.h"
+
+#include "engines/grim/grim.h"
+
+namespace Grim {
+
+struct GrimGameDescription {
+	ADGameDescription desc;
+};
+
+uint32 GrimEngine::getFeatures() const {
+	return _gameDescription->desc.flags;
+}
+
+Common::Language GrimEngine::getLanguage() const {
+	return _gameDescription->desc.language;
+}
+
+}
+
+static const PlainGameDescriptor grimGames[] = {
+	{"grim", "Grim Fandango"},
+	{"monkey", "Escape From Monkey Island"},
+	{0, 0}
+};
+
+
+namespace Grim {
+
+static const GrimGameDescription gameDescriptions[] = {
+
+	{
+		// Grim English version
+		{
+			"grim",
+			0,
+			AD_ENTRY1s("grim.tab", "09b2735953edcd43af115c65ae00b10e", 362212),
+			Common::EN_ANY,
+			Common::kPlatformPC,
+			ADGF_NO_FLAGS
+		},
+	},
+
+
+	{ AD_TABLE_END_MARKER }
+};
+
+} // End of namespace Grim
+
+static const ADParams detectionParams = {
+	// Pointer to ADGameDescription or its superset structure
+	(const byte *)Grim::gameDescriptions,
+	// Size of that superset structure
+	sizeof(Grim::GrimGameDescription),
+	// Number of bytes to compute MD5 sum for
+	5000,
+	// List of all engine targets
+	grimGames,
+	// Structure for autoupgrading obsolete targets
+	0,
+	// Name of single gameid (optional)
+	"grim",
+	// List of files for file-based fallback detection (optional)
+	0,
+	// Flags
+	0
+};
+
+class GrimMetaEngine : public AdvancedMetaEngine {
+public:
+	GrimMetaEngine() : AdvancedMetaEngine(detectionParams) {}
+
+	virtual const char *getName() const {
+		return "Grim Engine";
+	}
+
+	virtual const char *getOriginalCopyright() const {
+		return "LucasArts GrimE Games (C) LucasArts";
+	}
+
+	virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const;
+};
+
+bool GrimMetaEngine::createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const {
+	const Grim::GrimGameDescription *gd = (const Grim::GrimGameDescription *)desc;
+	if (gd) {
+		*engine = new Grim::GrimEngine(syst, gd);
+	}
+	return gd != 0;
+}
+
+#if PLUGIN_ENABLED_DYNAMIC(GRIM)
+	REGISTER_PLUGIN_DYNAMIC(GRIM, PLUGIN_TYPE_ENGINE, GrimMetaEngine);
+#else
+	REGISTER_PLUGIN_STATIC(GRIM, PLUGIN_TYPE_ENGINE, GrimMetaEngine);
+#endif