53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
//
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// Created by kifir on 7/29/24.
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//
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#pragma once
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#include <optional>
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class ValueProvider2D {
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public:
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virtual std::optional<float> getValue(float x) const = 0;
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};
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template<int TLength, typename TValue, typename TBin>
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class Map2D : public ValueProvider2D {
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public:
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Map2D(const char* const name);
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void initTable(const TValue (&values)[TLength], const TBin (&bins)[TLength]);
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virtual std::optional<float> getValue(const float x) const;
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private:
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const char* const m_name;
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const TValue (*m_values)[TLength] = nullptr;
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const TBin (*m_bins)[TLength] = nullptr;
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};
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template<int TLength, typename TValue, typename TBin>
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Map2D<TLength, TValue, TBin>::Map2D(const char* const name) : m_name(name) {
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}
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template<int TLength, typename TValue, typename TBin>
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void Map2D<TLength, TValue, TBin>::initTable(const TValue (&values)[TLength], const TBin (&bins)[TLength]) {
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m_values = &values;
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m_bins = &bins;
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}
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template<int TLength, typename TValue, typename TBin>
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std::optional<float> Map2D<TLength, TValue, TBin>::getValue(const float x) const {
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if (!m_bins) {
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criticalError("Access to uninitialized bins: %s", m_name);
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return {};
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} else if (!m_values) {
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criticalError("Access to uninitialized values: %s", m_name);
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return {};
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} else if ((1 < TLength) && ((*m_bins)[0] == 0.0f) && ((*m_bins)[1] == 0.0f)) {
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// bins are uninitialized, but it isn't critical - maybe old configuration
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return {};
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} else {
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return std::make_optional(interpolate2d(x, *m_bins, *m_values));
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}
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} |