85 lines
1.9 KiB
C++
85 lines
1.9 KiB
C++
#include <FieldTransition.h>
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#include <cmath>
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#include <algorithm>
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FieldTransition::Builder::Builder(size_t id, uint16_t defaultPeriod, const BulbId& bulbId, TransitionFn callback, GroupStateField field, uint16_t start, uint16_t end)
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: Transition::Builder(
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id,
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defaultPeriod,
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bulbId,
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callback,
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max(
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static_cast<size_t>(1),
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static_cast<size_t>(std::abs(static_cast<int16_t>(end) - static_cast<uint16_t>(start)))
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)
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)
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, stepSize(0)
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, field(field)
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, start(start)
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, end(end)
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{ }
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std::shared_ptr<Transition> FieldTransition::Builder::_build() const {
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size_t numPeriods = getOrComputeNumPeriods();
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size_t period = getOrComputePeriod();
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int16_t distance = end - start;
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int16_t stepSize = ceil(std::abs(distance / static_cast<float>(numPeriods)));
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if (end < start) {
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stepSize = -stepSize;
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}
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if (stepSize == 0) {
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stepSize = end > start ? 1 : -1;
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}
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return std::make_shared<FieldTransition>(
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id,
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bulbId,
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field,
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start,
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end,
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stepSize,
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period,
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callback
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);
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}
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FieldTransition::FieldTransition(
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size_t id,
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const BulbId& bulbId,
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GroupStateField field,
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uint16_t startValue,
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uint16_t endValue,
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int16_t stepSize,
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size_t period,
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TransitionFn callback
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) : Transition(id, bulbId, period, callback)
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, field(field)
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, currentValue(startValue)
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, endValue(endValue)
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, stepSize(stepSize)
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, finished(false)
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{ }
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void FieldTransition::step() {
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callback(bulbId, field, currentValue);
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if (currentValue != endValue) {
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Transition::stepValue(currentValue, endValue, stepSize);
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} else {
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finished = true;
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}
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}
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bool FieldTransition::isFinished() {
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return finished;
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}
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void FieldTransition::childSerialize(JsonObject& json) {
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json[F("type")] = F("field");
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json[F("field")] = GroupStateFieldHelpers::getFieldName(field);
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json[F("current_value")] = currentValue;
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json[F("end_value")] = endValue;
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json[F("step_size")] = stepSize;
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} |