table3d.h

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#pragma once
#include "src/utils/nominmax.h"
#include "table3d_interpolate.h"
#include "table3d_axes.h"
#include <array>
 
#define TO_TYPE_KEY(size, xDom, yDom) table3d ## size ## xDom ## yDom ## _key
 
enum class TableType : uint8_t {
    table_type_None,
    #define TABLE3D_GEN_TYPEKEY(size, xDom, yDom) TO_TYPE_KEY(size, xDom, yDom),
    TABLE3D_GENERATOR(TABLE3D_GEN_TYPEKEY)
};
 
// A marker type for 3d tables.
struct table3d_t
{
};
 
// Generate the 3D table types
#define TABLE3D_GEN_TYPE_INNER(size, xDom, yDom, typeName) \
 \
    struct typeName : public table3d_t \
    { \
        /* This will take up zero space unless we take the address somewhere */ \
        static constexpr TableType type_key = TableType::TO_TYPE_KEY(size, xDom, yDom); \
        static constexpr AxisDomain XDomain = AxisDomain::xDom; \
        static constexpr AxisDomain YDomain = AxisDomain::yDom; \
        \
        mutable table3DGetValueCache get_value_cache; \
        std::array<table3d_axis_t, (size)*(size)> values; \
        std::array<table3d_axis_t, (size)> axisX; \
        std::array<table3d_axis_t, (size)> axisY; \
    };
#define TABLE3D_GEN_TYPE(size, xDom, yDom) TABLE3D_GEN_TYPE_INNER(size, xDom, yDom, TABLE3D_TYPENAME_BASE(size, xDom, yDom))
 
// LCOV_EXCL_START
TABLE3D_GENERATOR(TABLE3D_GEN_TYPE)
// LCOV_EXCL_STOP
 
// =============================== Table function calls =========================
 
template <typename TTable>
static inline table3d_value_t get3DTableValue(const TTable *pTable, const uint16_t y, const uint16_t x)  noexcept
{ 
    constexpr uint16_t xFactor = getConversionFactor(TTable::XDomain);
    constexpr uint16_t yFactor = getConversionFactor(TTable::YDomain);
    return get3DTableValue<xFactor, yFactor>( &pTable->get_value_cache,
                            pTable->values,
                            pTable->axisX,
                            pTable->axisY,
                            { x, y });
}