SCUMM: Add secret "easter_egg" config key

This makes it possible to override the detection of Maniac Mansion
when starting the Day of the Tentacle easter egg. There is no GUI
for setting this, no error handling, and setting it to Day of the
Tentacle itself is probably a bad idea...

1 files changed, 16 insertions, 12 deletions

diff --git a/engines/scumm/scumm.cpp b/engines/scumm/scumm.cpp
index 9518ed4e5c..7d927b0cda 100644
--- a/engines/scumm/scumm.cpp
+++ b/engines/scumm/scumm.cpp
@@ -2601,20 +2601,24 @@ bool ScummEngine::startManiac() {
 	Common::String currentPath = ConfMan.get("path");
 	Common::String maniacTarget;
 
-	// Look for a game with a game path pointing to a 'Maniac' directory
-	// as a subdirectory to the current game.
-	Common::ConfigManager::DomainMap::iterator iter = ConfMan.beginGameDomains();
-	for (; iter != ConfMan.endGameDomains(); ++iter) {
-		Common::ConfigManager::Domain &dom = iter->_value;
-		Common::String path = dom.getVal("path");
-
-		if (path.hasPrefix(currentPath)) {
-			path.erase(0, currentPath.size() + 1);
-			if (path.equalsIgnoreCase("maniac")) {
-				maniacTarget = dom.getVal("gameid");
-				break;
+	if (!ConfMan.hasKey("easter_egg")) {
+		// Look for a game with a game path pointing to a 'Maniac' directory
+		// as a subdirectory to the current game.
+		Common::ConfigManager::DomainMap::iterator iter = ConfMan.beginGameDomains();
+		for (; iter != ConfMan.endGameDomains(); ++iter) {
+			Common::ConfigManager::Domain &dom = iter->_value;
+			Common::String path = dom.getVal("path");
+
+			if (path.hasPrefix(currentPath)) {
+				path.erase(0, currentPath.size() + 1);
+				if (path.equalsIgnoreCase("maniac")) {
+					maniacTarget = dom.getVal("gameid");
+					break;
+				}
 			}
 		}
+	} else {
+		maniacTarget = ConfMan.get("easter_egg");
 	}
 
 	if (!maniacTarget.empty()) {