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libtemporal: preparations to solve upcoming diamond inheritance problem

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This commit is contained in:
Paul Davis 2021-02-06 11:55:27 -07:00
parent 4e6c06bc95
commit cc0d065443
1 changed files with 11 additions and 7 deletions
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18
libs/temporal/temporal/tempo.h
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@ -132,6 +132,10 @@ class LIBTEMPORAL_API Point {
void map_reset_set_sclock_for_sr_change (superclock_t sc) { _sclock = sc; }
};
/* this exists only to give the TempoMap the only access to ::set_ramped() in a
* derived class
*/
class LIBTEMPORAL_API Rampable {
protected:
virtual ~Rampable() {}
@ -340,12 +344,12 @@ class LIBTEMPORAL_API Meter {
/* A MeterPoint is literally just the combination of a Meter with a Point
*/
class LIBTEMPORAL_API MeterPoint : public Meter, public Point
class LIBTEMPORAL_API MeterPoint : public Meter, public virtual Point
{
public:
MeterPoint (TempoMap const & map, Meter const & m, superclock_t sc, Beats const & b, BBT_Time const & bbt) : Meter (m), Point (map, sc, b, bbt) {}
MeterPoint (TempoMap const & map, Meter const & m, superclock_t sc, Beats const & b, BBT_Time const & bbt) : Point (map, sc, b, bbt), Meter (m) {}
MeterPoint (TempoMap const & map, XMLNode const &);
MeterPoint (Meter const & m, Point const & p) : Meter (m), Point (p) {}
MeterPoint (Meter const & m, Point const & p) : Point (p), Meter (m) {}
Beats quarters_at (BBT_Time const & bbt) const;
BBT_Time bbt_at (Beats const & beats) const;
@ -368,11 +372,11 @@ class LIBTEMPORAL_API MeterPoint : public Meter, public Point
* time-at-quarter-note on demand.
*/
class LIBTEMPORAL_API TempoPoint : public Tempo, public Point
class LIBTEMPORAL_API TempoPoint : public Tempo, public virtual Point
{
public:
TempoPoint (TempoMap const & map, Tempo const & t, superclock_t sc, Beats const & b, BBT_Time const & bbt) : Tempo (t), Point (map, sc, b, bbt), _omega (0.0) {}
TempoPoint (Tempo const & t, Point const & p) : Tempo (t), Point (p), _omega (0) {}
TempoPoint (TempoMap const & map, Tempo const & t, superclock_t sc, Beats const & b, BBT_Time const & bbt) : Point (map, sc, b, bbt), Tempo (t), _omega (0.0) {}
TempoPoint (Tempo const & t, Point const & p) : Point (p), Tempo (t), _omega (0) {}
TempoPoint (TempoMap const & map, XMLNode const &);
/* just change the tempo component, without moving */
@ -512,7 +516,7 @@ class LIBTEMPORAL_API TempoMetric {
* position is given by a Point that might use superclock or Beats, and the
* Point's BBT time member is overwritten.
*/
class LIBTEMPORAL_API MusicTimePoint : public Point
class LIBTEMPORAL_API MusicTimePoint : public virtual Point
{
public:
MusicTimePoint (TempoMap const & map, superclock_t sc, Beats const & b, BBT_Time const & bbt) : Point (map, sc, b, bbt) {}