1 files changed, 88 insertions, 0 deletions
diff --git a/engines/obsolete.cpp b/engines/obsolete.cpp
new file mode 100644
index 0000000000..6733a384be
--- /dev/null
+++ b/engines/obsolete.cpp
@@ -0,0 +1,88 @@
+/* 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 "engines/obsolete.h"
+
+#include "common/config-manager.h"
+
+
+namespace Engines {
+
+void upgradeTargetIfNecessary(const ObsoleteGameID *obsoleteList) {
+	if (obsoleteList == 0)
+		return;
+
+	Common::String gameid = ConfMan.get("gameid");
+
+	for (const ObsoleteGameID *o = obsoleteList; o->from; ++o) {
+		if (gameid.equalsIgnoreCase(o->from)) {
+			gameid = o->to;
+			ConfMan.set("gameid", gameid);
+
+			if (o->platform != Common::kPlatformUnknown)
+				ConfMan.set("platform", Common::getPlatformCode(o->platform));
+
+			warning("Target upgraded from %s to %s", o->from, o->to);
+
+			// WORKAROUND: Fix for bug #1719463: "DETECTOR: Launching
+			// undefined target adds launcher entry"
+			if (ConfMan.hasKey("id_came_from_command_line")) {
+				warning("Target came from command line. Skipping save");
+			} else {
+				ConfMan.flushToDisk();
+			}
+			break;
+		}
+	}
+}
+
+GameDescriptor findGameID(
+	const char *gameid,
+	const PlainGameDescriptor *gameids,
+	const ObsoleteGameID *obsoleteList
+	) {
+	// First search the list of supported gameids for a match.
+	const PlainGameDescriptor *g = findPlainGameDescriptor(gameid, gameids);
+	if (g)
+		return GameDescriptor(*g);
+
+	// If we didn't find the gameid in the main list, check if it
+	// is an obsolete game id.
+	if (obsoleteList != 0) {
+		const ObsoleteGameID *o = obsoleteList;
+		while (o->from) {
+			if (0 == scumm_stricmp(gameid, o->from)) {
+				g = findPlainGameDescriptor(o->to, gameids);
+				if (g && g->description)
+					return GameDescriptor(gameid, "Obsolete game ID (" + Common::String(g->description) + ")");
+				else
+					return GameDescriptor(gameid, "Obsolete game ID");
+			}
+			o++;
+		}
+	}
+
+	// No match found
+	return GameDescriptor();
+}
+
+} // End of namespace Engines