[Performous-commit] Tapio Vierros : Assume that an instrument difficulty level that has only one chord is broken (so don't show it).

[Tapio V. <aa...@us...>]

Module: performous
Branch: dance
Commit: 155603f268a0cc2dc2abeb9cd019b9f78620d559

Author: Tapio Vierros <tap...@gm...>
Date:   Sun Nov  1 18:15:57 2009 +0200

Assume that an instrument difficulty level that has only one chord is broken (so don't show it).

---

 game/guitargraph.cc |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/game/guitargraph.cc b/game/guitargraph.cc
index a0704b1..edafa3b 100644
--- a/game/guitargraph.cc
+++ b/game/guitargraph.cc
@@ -323,8 +323,14 @@ bool GuitarGraph::difficulty(Difficulty level) {
 	int fail = 0;
 	for (int fret = 0; fret < 5; ++fret) if (nm.find(basepitch + fret) == nm.end()) ++fail;
 	if (fail == 5) return false;
+	Difficulty prevLevel = m_level;
 	m_level = level;
 	updateChords();
+	if (m_chords.size() <= 1) { // If there is only one chord, it's probably b0rked
+		m_level = prevLevel;
+		updateChords();
+		return false;
+	}
 	return true;
 }