split out Difficulty and CourseDifficulty

add FOREACH_DisplayedCourseDifficulty

stepmania/src/Difficulty.cpp

@@ -0,0 +1,63 @@
+#include "global.h"
+#include "Difficulty.h"
+#include "GameState.h"
+#include "ThemeManager.h"
+
+
+static const CString DifficultyNames[NUM_RADAR_CATEGORIES] = {
+	"Beginner",
+	"Easy",
+	"Medium",
+	"Hard",
+	"Challenge",
+	"Edit",
+};
+XToString( Difficulty );
+XToThemedString( Difficulty );
+
+/* We prefer the above names; recognize a number of others, too.  (They'l
+ * get normalized when written to SMs, etc.) */
+Difficulty StringToDifficulty( const CString& sDC )
+{
+	CString s2 = sDC;
+	s2.MakeLower();
+	if( s2 == "beginner" )		return DIFFICULTY_BEGINNER;
+	else if( s2 == "easy" )		return DIFFICULTY_EASY;
+	else if( s2 == "basic" )	return DIFFICULTY_EASY;
+	else if( s2 == "light" )	return DIFFICULTY_EASY;
+	else if( s2 == "medium" )	return DIFFICULTY_MEDIUM;
+	else if( s2 == "another" )	return DIFFICULTY_MEDIUM;
+	else if( s2 == "trick" )	return DIFFICULTY_MEDIUM;
+	else if( s2 == "standard" )	return DIFFICULTY_MEDIUM;
+	else if( s2 == "difficult")	return DIFFICULTY_MEDIUM;
+	else if( s2 == "hard" )		return DIFFICULTY_HARD;
+	else if( s2 == "ssr" )		return DIFFICULTY_HARD;
+	else if( s2 == "maniac" )	return DIFFICULTY_HARD;
+	else if( s2 == "heavy" )	return DIFFICULTY_HARD;
+	else if( s2 == "smaniac" )	return DIFFICULTY_CHALLENGE;
+	else if( s2 == "challenge" )return DIFFICULTY_CHALLENGE;
+	else if( s2 == "expert" )	return DIFFICULTY_CHALLENGE;
+	else if( s2 == "oni" )		return DIFFICULTY_CHALLENGE;
+	else if( s2 == "edit" )		return DIFFICULTY_EDIT;
+	else						return DIFFICULTY_INVALID;
+}
+
+
+static const CString CourseDifficultyNames[NUM_COURSE_DIFFICULTIES] =
+{
+	"Regular",
+	"Difficult",
+};
+XToString( CourseDifficulty );
+XToThemedString( CourseDifficulty );
+StringToX( CourseDifficulty );
+
+CourseDifficulty GetNextDisplayedCourseDifficulty( CourseDifficulty cd )
+{
+	for( CourseDifficulty d=(CourseDifficulty)(cd+1); d<NUM_COURSE_DIFFICULTIES; ((int&)d)++ )
+	{
+		if( GAMESTATE->IsCourseDifficultyShown(d) )
+			return d;
+	}
+	return COURSE_DIFFICULTY_INVALID;
+}