[Performous-commit] Lasse Karkkainen : Initial work on the chord-based guitar engine.

[knittl <kn...@us...>]

Module: performous
Branch: master
Commit: 77a31d239c1388f2bc0ddce6cec900025d49233a

Author: Lasse Karkkainen <tro...@tr...>
Date:   Fri Jul 31 13:21:04 2009 +0300

Initial work on the chord-based guitar engine.

---

 game/guitargraph.cc |    1 +
 game/guitargraph.hh |   16 ++++++++++++++++
 2 files changed, 17 insertions(+), 0 deletions(-)

diff --git a/game/guitargraph.cc b/game/guitargraph.cc
index fe43bbb..987e5d9 100644
--- a/game/guitargraph.cc
+++ b/game/guitargraph.cc
@@ -202,6 +202,7 @@ bool GuitarGraph::difficulty(Difficulty level) {
 	for (int fret = 0; fret < 5; ++fret) if (nm.find(basepitch + fret) == nm.end()) ++fail;
 	if (fail == 5) return false;
 	m_level = level;
+	updateChords();
 	return true;
 }
 
diff --git a/game/guitargraph.hh b/game/guitargraph.hh
index 32bb160..eb79a25 100644
--- a/game/guitargraph.hh
+++ b/game/guitargraph.hh
@@ -9,6 +9,20 @@
 
 class Song;
 
+struct Chord {
+	double begin;
+	bool fret[5];
+	Duration const* dur[5];
+	bool chord;
+	bool tappable;
+	bool tapped;
+	int tapScore;
+};
+
+static inline bool operator==(Chord const& a, Chord const& b) {
+	return std::equal(a.fret, a.fret + 5, b.fret);
+}
+
 /// handles drawing of notes and waves
 class GuitarGraph {
   public:
@@ -39,6 +53,8 @@ class GuitarGraph {
 	void difficultyAuto();
 	bool difficulty(Difficulty level);
 	SvgTxtTheme m_text;
+	void updateChords() {}
+	std::vector<Chord> m_chords;
 	typedef std::map<Duration const*, int> NoteStatus;
 	NoteStatus m_notes;
 	bool m_hammerReady;