From 82ab3056fa52f78309ae3271114dbec28ceb9684 Mon Sep 17 00:00:00 2001
From: Johannes Schickel
Date: Wed, 29 Feb 2012 16:48:25 +0100
Subject: ENGINES: Implement per-game options caching in AdvancedDetector via
 GUIO flags.

---
 engines/advancedDetector.h | 27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

(limited to 'engines/advancedDetector.h')

diff --git a/engines/advancedDetector.h b/engines/advancedDetector.h
index 0cec039b5e..45a9f183e8 100644
--- a/engines/advancedDetector.h
+++ b/engines/advancedDetector.h
@@ -133,6 +133,24 @@ enum ADFlags {
 };
 
 
+/**
+ * Map entry for mapping GUIO_GAMEOPTIONS* to their ExtraGuiOption
+ * description.
+ */
+struct ADExtraGuiOptionsMap {
+	/**
+	 * GUIO_GAMEOPTION* string.
+	 */
+	const char *guioFlag;
+
+	/**
+	 * The associated option.
+	 */
+	ExtraGuiOption option;
+};
+
+#define AD_EXTRA_GUI_OPTIONS_TERMINATOR { 0, { 0, 0, 0, 0 } }
+
 /**
  * A MetaEngine implementation based around the advanced detector code.
  */
@@ -158,6 +176,11 @@ protected:
 	 */
 	const PlainGameDescriptor *_gameids;
 
+	/**
+	 * A map containing all the extra game GUI options the engine supports.
+	 */ 
+	const ADExtraGuiOptionsMap * const _extraGuiOptions;
+
 	/**
 	 * The number of bytes to compute MD5 sum for. The AdvancedDetector
 	 * is primarily based on computing and matching MD5 checksums of files.
@@ -211,7 +234,7 @@ protected:
 	const char * const *_directoryGlobs;
 
 public:
-	AdvancedMetaEngine(const void *descs, uint descItemSize, const PlainGameDescriptor *gameids);
+	AdvancedMetaEngine(const void *descs, uint descItemSize, const PlainGameDescriptor *gameids, const ADExtraGuiOptionsMap *extraGuiOptions = 0);
 
 	/**
 	 * Returns list of targets supported by the engine.
@@ -225,6 +248,8 @@ public:
 
 	virtual Common::Error createInstance(OSystem *syst, Engine **engine) const;
 
+	virtual const ExtraGuiOptions getExtraGuiOptions(const Common::String &target) const;
+
 protected:
 	// To be implemented by subclasses
 	virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const = 0;
-- 
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