81 lines
2.0 KiB
C
81 lines
2.0 KiB
C
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/*
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* tuningbase.h
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* ------------
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* Purpose: Alternative sample tuning.
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* Notes : (currently none)
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* Authors: OpenMPT Devs
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* The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
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*/
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#pragma once
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#include "openmpt/all/BuildSettings.hpp"
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#include <limits>
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OPENMPT_NAMESPACE_BEGIN
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namespace Tuning {
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enum class SerializationResult : int {
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Success = 1,
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NoMagic = 0,
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Failure = -1
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};
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using NOTEINDEXTYPE = int16; // Some signed integer-type.
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using UNOTEINDEXTYPE = uint16; // Unsigned NOTEINDEXTYPE.
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using RATIOTYPE = float32; // Some 'real figure' type able to present ratios. If changing RATIOTYPE, serialization methods may need modifications.
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// Counter of steps between notes. If there is no 'finetune'(finestepcount == 0),
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// then 'step difference' between notes is the
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// same as differences in NOTEINDEXTYPE. In a way similar to ticks and rows in pattern -
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// ticks <-> STEPINDEX, rows <-> NOTEINDEX
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using STEPINDEXTYPE = int32;
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using USTEPINDEXTYPE = uint32;
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struct NoteRange
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{
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NOTEINDEXTYPE first;
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NOTEINDEXTYPE last;
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};
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// Derived from old IsStepCountRangeSufficient(), this is actually a more
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// sensible value than what was calculated in earlier versions.
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inline constexpr STEPINDEXTYPE FINESTEPCOUNT_MAX = 0xffff;
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inline constexpr auto NOTEINDEXTYPE_MIN = std::numeric_limits<NOTEINDEXTYPE>::min();
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inline constexpr auto NOTEINDEXTYPE_MAX = std::numeric_limits<NOTEINDEXTYPE>::max();
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inline constexpr auto UNOTEINDEXTYPE_MAX = std::numeric_limits<UNOTEINDEXTYPE>::max();
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inline constexpr auto STEPINDEXTYPE_MIN = std::numeric_limits<STEPINDEXTYPE>::min();
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inline constexpr auto STEPINDEXTYPE_MAX = std::numeric_limits<STEPINDEXTYPE>::max();
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inline constexpr auto USTEPINDEXTYPE_MAX = std::numeric_limits<USTEPINDEXTYPE>::max();
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enum class Type : uint16
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{
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GENERAL = 0,
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GROUPGEOMETRIC = 1,
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GEOMETRIC = 3,
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};
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class CTuning;
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} // namespace Tuning
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typedef Tuning::CTuning CTuning;
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OPENMPT_NAMESPACE_END
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