1 files changed, 57 insertions, 0 deletions
diff --git a/src/mbgl/style/layers/hillshade_layer_properties.cpp b/src/mbgl/style/layers/hillshade_layer_properties.cpp
index f296ab4520..c51e557d6e 100644
--- a/src/mbgl/style/layers/hillshade_layer_properties.cpp
+++ b/src/mbgl/style/layers/hillshade_layer_properties.cpp
@@ -5,5 +5,62 @@
 namespace mbgl {
 namespace style {
 
+HillshadePaintProperties::Unevaluated HillshadePaintProperties::Transitionable::transitioned(const TransitionParameters& parameters, Unevaluated&& prior) const {
+    return Unevaluated {
+        hillshadeIlluminationDirection.transition(parameters, std::move(prior.hillshadeIlluminationDirection)),
+        hillshadeIlluminationAnchor.transition(parameters, std::move(prior.hillshadeIlluminationAnchor)),
+        hillshadeExaggeration.transition(parameters, std::move(prior.hillshadeExaggeration)),
+        hillshadeShadowColor.transition(parameters, std::move(prior.hillshadeShadowColor)),
+        hillshadeHighlightColor.transition(parameters, std::move(prior.hillshadeHighlightColor)),
+        hillshadeAccentColor.transition(parameters, std::move(prior.hillshadeAccentColor)),
+    };
+}
+
+HillshadePaintProperties::Unevaluated HillshadePaintProperties::Transitionable::untransitioned() const {
+    return Unevaluated {
+        Transitioning<PropertyValue<float>>(hillshadeIlluminationDirection.value),
+        Transitioning<PropertyValue<HillshadeIlluminationAnchorType>>(hillshadeIlluminationAnchor.value),
+        Transitioning<PropertyValue<float>>(hillshadeExaggeration.value),
+        Transitioning<PropertyValue<Color>>(hillshadeShadowColor.value),
+        Transitioning<PropertyValue<Color>>(hillshadeHighlightColor.value),
+        Transitioning<PropertyValue<Color>>(hillshadeAccentColor.value),
+    };
+}
+
+bool HillshadePaintProperties::Transitionable::hasDataDrivenPropertyDifference(const Transitionable& other) const {
+    return false
+        || hillshadeIlluminationDirection.value.hasDataDrivenPropertyDifference(other.hillshadeIlluminationDirection.value)
+        || hillshadeIlluminationAnchor.value.hasDataDrivenPropertyDifference(other.hillshadeIlluminationAnchor.value)
+        || hillshadeExaggeration.value.hasDataDrivenPropertyDifference(other.hillshadeExaggeration.value)
+        || hillshadeShadowColor.value.hasDataDrivenPropertyDifference(other.hillshadeShadowColor.value)
+        || hillshadeHighlightColor.value.hasDataDrivenPropertyDifference(other.hillshadeHighlightColor.value)
+        || hillshadeAccentColor.value.hasDataDrivenPropertyDifference(other.hillshadeAccentColor.value)
+        ;
+}
+
+bool HillshadePaintProperties::Unevaluated::hasTransition() const {
+    return false
+        || hillshadeIlluminationDirection.hasTransition()
+        || hillshadeIlluminationAnchor.hasTransition()
+        || hillshadeExaggeration.hasTransition()
+        || hillshadeShadowColor.hasTransition()
+        || hillshadeHighlightColor.hasTransition()
+        || hillshadeAccentColor.hasTransition()
+        ;
+}
+
+HillshadePaintProperties::PossiblyEvaluated HillshadePaintProperties::Unevaluated::evaluate(const PropertyEvaluationParameters& parameters) const {
+    return PossiblyEvaluated {
+        hillshadeIlluminationDirection.evaluate(typename HillshadeIlluminationDirection::EvaluatorType(parameters, HillshadeIlluminationDirection::defaultValue()), parameters.now),
+        hillshadeIlluminationAnchor.evaluate(typename HillshadeIlluminationAnchor::EvaluatorType(parameters, HillshadeIlluminationAnchor::defaultValue()), parameters.now),
+        hillshadeExaggeration.evaluate(typename HillshadeExaggeration::EvaluatorType(parameters, HillshadeExaggeration::defaultValue()), parameters.now),
+        hillshadeShadowColor.evaluate(typename HillshadeShadowColor::EvaluatorType(parameters, HillshadeShadowColor::defaultValue()), parameters.now),
+        hillshadeHighlightColor.evaluate(typename HillshadeHighlightColor::EvaluatorType(parameters, HillshadeHighlightColor::defaultValue()), parameters.now),
+        hillshadeAccentColor.evaluate(typename HillshadeAccentColor::EvaluatorType(parameters, HillshadeAccentColor::defaultValue()), parameters.now),
+    };
+}
+
+
+
 } // namespace style
 } // namespace mbgl