Using two-element shape rules instead of shape sets

This commit is contained in:
Daniel Wolf 2016-11-25 21:22:00 +01:00
parent 82a76c9971
commit 4e9a588c66
2 changed files with 57 additions and 45 deletions

View File

@ -15,29 +15,34 @@ constexpr Shape G = Shape::G;
constexpr Shape H = Shape::H; constexpr Shape H = Shape::H;
constexpr Shape X = Shape::X; constexpr Shape X = Shape::X;
Timeline<ShapeSet> animatePhone(optional<Phone> phone, centiseconds duration, centiseconds previousDuration) { ShapeRule::ShapeRule(const ShapeSet& regularShapes, const ShapeSet& alternativeShapes) :
regularShapes(regularShapes),
alternativeShapes(alternativeShapes)
{}
Timeline<ShapeRule> animatePhone(optional<Phone> phone, centiseconds duration, centiseconds previousDuration) {
// Returns a timeline with a single shape set // Returns a timeline with a single shape set
auto single = [duration](ShapeSet value) { auto single = [duration](ShapeRule value) {
return Timeline<ShapeSet> { { 0_cs, duration, value } }; return Timeline<ShapeRule> {{0_cs, duration, value}};
}; };
// Returns a timeline with two shape sets, timed as a diphthong // Returns a timeline with two shape sets, timed as a diphthong
auto diphthong = [duration](ShapeSet first, ShapeSet second) { auto diphthong = [duration](ShapeRule first, ShapeRule second) {
centiseconds firstDuration = duration_cast<centiseconds>(duration * 0.6); centiseconds firstDuration = duration_cast<centiseconds>(duration * 0.6);
return Timeline<ShapeSet> { return Timeline<ShapeRule> {
{ 0_cs, firstDuration, first }, {0_cs, firstDuration, first},
{ firstDuration, duration, second } {firstDuration, duration, second}
}; };
}; };
// Returns a timeline with two shape sets, timed as a plosive // Returns a timeline with two shape sets, timed as a plosive
auto plosive = [duration, previousDuration](ShapeSet first, ShapeSet second) { auto plosive = [duration, previousDuration](ShapeRule first, ShapeRule second) {
centiseconds minOcclusionDuration = 4_cs; centiseconds minOcclusionDuration = 4_cs;
centiseconds maxOcclusionDuration = 12_cs; centiseconds maxOcclusionDuration = 12_cs;
centiseconds occlusionDuration = clamp(previousDuration / 2, minOcclusionDuration, maxOcclusionDuration); centiseconds occlusionDuration = clamp(previousDuration / 2, minOcclusionDuration, maxOcclusionDuration);
return Timeline<ShapeSet> { return Timeline<ShapeRule> {
{ -occlusionDuration, 0_cs, first }, {-occlusionDuration, 0_cs, first},
{ 0_cs, duration, second } {0_cs, duration, second}
}; };
}; };
@ -47,59 +52,59 @@ Timeline<ShapeSet> animatePhone(optional<Phone> phone, centiseconds duration, ce
return animatePhone(referencePhone, duration, previousDuration); return animatePhone(referencePhone, duration, previousDuration);
}; };
static const ShapeSet any = { A, B, C, D, E, F, G, H, X }; static const ShapeRule any{{A, B, C, D, E, F, G, H, X}};
if (!phone) { if (!phone) {
return single({ X }); return single({{X}});
} }
switch (*phone) { switch (*phone) {
case Phone::AO: return single({ E }); case Phone::AO: return single({{E}});
case Phone::AA: return single({ D }); case Phone::AA: return single({{D}});
case Phone::IY: return single({ B }); case Phone::IY: return single({{B}, {C}});
case Phone::UW: return single({ F }); case Phone::UW: return single({{F}});
case Phone::EH: return duration < 20_cs ? single({ C }) : single({ D }); case Phone::EH: return duration < 20_cs ? single({{C}}) : single({{D}});
case Phone::IH: return single({ B }); case Phone::IH: return single({{B}, {C}});
case Phone::UH: return single({ F }); case Phone::UH: return single({{F}});
case Phone::AH: return single({ C }); case Phone::AH: return single({{C}});
case Phone::Schwa: return single({ { B, C, D, E, F } }); case Phone::Schwa: return single({{B, C, D, E, F}});
case Phone::AE: return single({ C }); case Phone::AE: return single({{C}});
case Phone::EY: return diphthong({ C }, { B }); case Phone::EY: return diphthong({{C}}, {{B}, {C}});
case Phone::AY: return duration < 20_cs ? diphthong({ C }, { B }) : diphthong({ D }, { B }); case Phone::AY: return duration < 20_cs ? diphthong({{C}}, {{B}, {C}}) : diphthong({{D}}, {{B}, {C}});
case Phone::OW: return single({ F }); case Phone::OW: return single({{F}});
case Phone::AW: return duration < 20_cs ? diphthong({ C }, { F }) : diphthong({ D }, { F }); case Phone::AW: return duration < 20_cs ? diphthong({{C}}, {{F}}) : diphthong({{D}}, {{F}});
case Phone::OY: return diphthong({ F }, { B }); case Phone::OY: return diphthong({{F}}, {{B}, {C}});
case Phone::ER: return duration < 7_cs ? like(Phone::Schwa) : single({ F }); case Phone::ER: return duration < 7_cs ? like(Phone::Schwa) : single({{F}});
case Phone::P: case Phone::P:
case Phone::B: return plosive({ A }, any); case Phone::B: return plosive({{A}}, any);
case Phone::T: case Phone::T:
case Phone::D: return plosive({ B, C, F, G, H }, any); case Phone::D: return plosive({{B, C, F, G, H}}, any);
case Phone::K: case Phone::K:
case Phone::G: return plosive({ B, C, E, F, G, H }, any); case Phone::G: return plosive({{B, C, E, F, G, H}}, any);
case Phone::CH: case Phone::CH:
case Phone::JH: return single({ B, F }); case Phone::JH: return single({{B, F}});
case Phone::F: case Phone::F:
case Phone::V: return single({ G }); case Phone::V: return single({{G}});
case Phone::TH: case Phone::TH:
case Phone::DH: case Phone::DH:
case Phone::S: case Phone::S:
case Phone::Z: case Phone::Z:
case Phone::SH: case Phone::SH:
case Phone::ZH: return single({ B, F }); case Phone::ZH: return single({{B, F}});
case Phone::HH: return single(any); case Phone::HH: return single(any);
case Phone::M: return single({ A }); case Phone::M: return single({{A}});
case Phone::N: return single({ B, C, F, G, H }); case Phone::N: return single({{B, C, F, G, H}});
case Phone::NG: return single({ B, C, E, F, G }); case Phone::NG: return single({{B, C, E, F, G}});
case Phone::L: return duration < 20_cs ? single({ B, C, D, E, F, G, H }) : single({ H }); case Phone::L: return duration < 20_cs ? single({{B, C, D, E, F, G, H}}) : single({{H}});
case Phone::R: return single({ B, C, E, F }); case Phone::R: return single({{B, C, E, F}});
case Phone::Y: return single({ B, C, F }); case Phone::Y: return single({{B, C, F}});
case Phone::W: return single({ F }); case Phone::W: return single({{F}});
case Phone::Breath: case Phone::Breath:
case Phone::Cough: case Phone::Cough:
case Phone::Smack: return single({ C }); case Phone::Smack: return single({{C}});
case Phone::Noise: return single({ B }); case Phone::Noise: return single({{B}});
default: throw std::invalid_argument("Unexpected phone."); default: throw std::invalid_argument("Unexpected phone.");
} }

View File

@ -9,4 +9,11 @@
// A set of mouth shapes that can be used to represent a certain sound // A set of mouth shapes that can be used to represent a certain sound
using ShapeSet = std::set<Shape>; using ShapeSet = std::set<Shape>;
Timeline<ShapeSet> animatePhone(boost::optional<Phone> phone, centiseconds duration, centiseconds previousDuration); struct ShapeRule {
ShapeRule(const ShapeSet& regularShapes, const ShapeSet& alternativeShapes = {});
ShapeSet regularShapes;
ShapeSet alternativeShapes;
};
Timeline<ShapeRule> animatePhone(boost::optional<Phone> phone, centiseconds duration, centiseconds previousDuration);