winamp/Src/external_dependencies/openmpt-trunk/soundlib/mod_specifications.h

101 lines
4.7 KiB
C++

/*
* mod_specifications.h
* --------------------
* Purpose: Mod specifications characterise the features of every editable module format in OpenMPT, such as the number of supported channels, samples, effects, etc...
* Notes : (currently none)
* Authors: OpenMPT Devs
* The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
*/
#pragma once
#include "openmpt/all/BuildSettings.hpp"
#include "Snd_defs.h"
#include "modcommand.h" // ModCommand::
#include "../soundlib/SoundFilePlayConfig.h" // mixlevel constants.
OPENMPT_NAMESPACE_BEGIN
struct CModSpecifications
{
/// Returns modtype corresponding to given file extension. The extension string
/// may begin with or without dot, e.g. both ".it" and "it" will be handled correctly.
static MODTYPE ExtensionToType(std::string ext); // (encoded in UTF8)
// Return true if format supports given note.
bool HasNote(ModCommand::NOTE note) const;
bool HasVolCommand(ModCommand::VOLCMD volcmd) const;
bool HasCommand(ModCommand::COMMAND cmd) const;
// Return corresponding effect letter for this format
char GetEffectLetter(ModCommand::COMMAND cmd) const;
char GetVolEffectLetter(ModCommand::VOLCMD cmd) const;
// NOTE: If changing order, update all initializations in .cpp file.
MODTYPE internalType; // Internal MODTYPE value
const char *fileExtension; // File extension without dot (encoded in UTF8).
ModCommand::NOTE noteMin; // Minimum note index (index starts from 1)
ModCommand::NOTE noteMax; // Maximum note index (index starts from 1)
PATTERNINDEX patternsMax;
ORDERINDEX ordersMax;
SEQUENCEINDEX sequencesMax;
CHANNELINDEX channelsMin; // Minimum number of editable channels in pattern.
CHANNELINDEX channelsMax; // Maximum number of editable channels in pattern.
uint32 tempoMinInt;
uint32 tempoMaxInt;
uint32 speedMin; // Minimum ticks per frame
uint32 speedMax; // Maximum ticks per frame
ROWINDEX patternRowsMin;
ROWINDEX patternRowsMax;
uint16 modNameLengthMax; // Meaning 'usable letters', possible null character is not included.
uint16 sampleNameLengthMax; // Ditto
uint16 sampleFilenameLengthMax; // Ditto
uint16 instrNameLengthMax; // Ditto
uint16 instrFilenameLengthMax; // Ditto
uint16 commentLineLengthMax; // not including line break, 0 for unlimited
SAMPLEINDEX samplesMax; // Max number of samples == Highest possible sample index
INSTRUMENTINDEX instrumentsMax; // Max number of instruments == Highest possible instrument index
MixLevels defaultMixLevels; // Default mix levels that are used when creating a new file in this format
FlagSet<SongFlags> songFlags; // Supported song flags
uint8 MIDIMappingDirectivesMax; // Number of MIDI Mapping directives that the format can store (0 = none)
uint8 envelopePointsMax; // Maximum number of points of each envelope
bool hasNoteCut; // True if format has note cut (^^).
bool hasNoteOff; // True if format has note off (==).
bool hasNoteFade; // True if format has note fade (~~).
bool hasReleaseNode; // Envelope release node
bool hasComments; // True if format has a comments field
bool hasIgnoreIndex; // Does "+++" pattern exist?
bool hasStopIndex; // Does "---" pattern exist?
bool hasRestartPos; // Format has an automatic restart order position
bool supportsPlugins; // Format can store plugins
bool hasPatternSignatures; // Can patterns have a custom time signature?
bool hasPatternNames; // Can patterns have a name?
bool hasArtistName; // Can artist name be stored in file?
bool hasDefaultResampling; // Can default resampling be saved? (if not, it can still be modified in the GUI but won't set the module as modified)
bool hasFractionalTempo; // Are fractional tempos allowed?
const char *commands; // An array holding all commands this format supports; commands that are not supported are marked with "?"
const char *volcommands; // Ditto, but for volume column
MPT_CONSTEXPRINLINE TEMPO GetTempoMin() const { return TEMPO(tempoMinInt, 0); }
MPT_CONSTEXPRINLINE TEMPO GetTempoMax() const { return TEMPO(tempoMaxInt, 0); }
};
namespace ModSpecs
{
extern const CModSpecifications & mptm;
extern const CModSpecifications & mod;
extern const CModSpecifications & s3m;
extern const CModSpecifications & s3mEx;
extern const CModSpecifications & xm;
extern const CModSpecifications & xmEx;
extern const CModSpecifications & it;
extern const CModSpecifications & itEx;
extern const std::array<const CModSpecifications *, 8> Collection;
}
OPENMPT_NAMESPACE_END