ENGINES: Add function in DetectionResults to get list of engines with an unknown variants

2 files changed, 23 insertions, 2 deletions

diff --git a/engines/game.cpp b/engines/game.cpp
index ee14acf7c8..bb5f4ae6cb 100644
--- a/engines/game.cpp
+++ b/engines/game.cpp
@@ -142,7 +142,7 @@ bool DetectionResults::foundUnknownGames() const {
 	return false;
 }
 
-DetectedGames DetectionResults::listRecognizedGames() {
+DetectedGames DetectionResults::listRecognizedGames() const {
 	DetectedGames candidates;
 	for (uint i = 0; i < _detectedGames.size(); i++) {
 		if (_detectedGames[i].canBeAdded) {
@@ -214,3 +214,18 @@ Common::String DetectionResults::generateUnknownGameReport(bool translate, uint3
 
 	return report;
 }
+
+Common::StringArray DetectionResults::getUnknownGameEngines() const {
+	Common::StringArray engines;
+	const char *currentEngineName = nullptr;
+	for (uint i = 0; i < _detectedGames.size(); i++) {
+		const DetectedGame &game = _detectedGames[i];
+		if (!game.hasUnknownFiles)
+			continue;
+		if (!currentEngineName || strcmp(currentEngineName, game.engineName) != 0) {
+			currentEngineName = game.engineName;
+			engines.push_back(Common::String(currentEngineName));
+		}
+	}
+	return engines;
+}
diff --git a/engines/game.h b/engines/game.h
index 304166d05f..fcaae62e5c 100644
--- a/engines/game.h
+++ b/engines/game.h
@@ -26,6 +26,7 @@
 #include "common/array.h"
 #include "common/hash-str.h"
 #include "common/str.h"
+#include "common/str-array.h"
 #include "common/language.h"
 #include "common/platform.h"
 
@@ -198,7 +199,7 @@ public:
 	 *
 	 * Recognized games can be added to the configuration manager and then launched.
 	 */
-	DetectedGames listRecognizedGames();
+	DetectedGames listRecognizedGames() const;
 
 	/**
 	 * Were unknown game variants found by the engines?
@@ -216,6 +217,11 @@ public:
 	 */
 	Common::String generateUnknownGameReport(bool translate, uint32 wordwrapAt = 0) const;
 
+	/**
+	 * Get the list of engines for which an unknown game variant was found.
+	 */
+	Common::StringArray getUnknownGameEngines() const;
+
 private:
 	DetectedGames _detectedGames;
 };