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Windows MIDI support: remove a few unused structure members and the code that relied on them

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git-svn-id: https://svn.eduke32.com/eduke32@5816 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
terminx 2016-08-27 01:39:45 +00:00
parent 51992210b8
commit 9a0a62fdcb
3 changed files with 15 additions and 189 deletions
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170
polymer/eduke32/source/midi.c
View file

@ -798,11 +798,8 @@ static void _MIDI_SetChannelVolume
// For user volume
volume *= _MIDI_UserChannelVolume[ channel ];
if (_MIDI_Funcs->SetVolume == NULL)
{
volume *= _MIDI_TotalVolume;
volume = tabledivide32_noinline(volume, MIDI_MaxVolume);
}
// For user volume
volume >>= 8;
@ -940,22 +937,7 @@ int32_t MIDI_SetVolume
_MIDI_TotalVolume = volume;
if (_MIDI_Funcs->SetVolume)
{
_MIDI_Funcs->SetVolume(volume);
for (i = 0; i < NUM_MIDI_CHANNELS; i++)
{
if (_MIDI_RerouteFunctions[ i ] != NULL)
{
_MIDI_SetChannelVolume(i, _MIDI_ChannelVolume[ i ]);
}
}
}
else
{
_MIDI_SendChannelVolumes();
}
return MIDI_Ok;
}
@ -967,29 +949,9 @@ int32_t MIDI_SetVolume
Returns the total volume of the music.
---------------------------------------------------------------------*/
int32_t MIDI_GetVolume
(
void
)
int32_t MIDI_GetVolume(void)
{
int32_t volume;
if (_MIDI_Funcs == NULL)
{
return MIDI_NullMidiModule;
}
if (_MIDI_Funcs->GetVolume)
{
volume = _MIDI_Funcs->GetVolume();
}
else
{
volume = _MIDI_TotalVolume;
}
return volume;
return (_MIDI_Funcs == NULL) ? MIDI_NullMidiModule : _MIDI_TotalVolume;
}
@ -1087,11 +1049,6 @@ void MIDI_StopSong
MIDI_Reset();
_MIDI_ResetTracks();
if (_MIDI_Funcs->ReleasePatches)
{
_MIDI_Funcs->ReleasePatches();
}
DO_FREE_AND_NULL(_MIDI_TrackPtr);
_MIDI_NumTracks = 0;
@ -1194,18 +1151,7 @@ int32_t MIDI_PlaySong
CurrentTrack++;
}
if (_MIDI_Funcs->GetVolume != NULL)
{
_MIDI_TotalVolume = _MIDI_Funcs->GetVolume();
}
_MIDI_InitEMIDI();
if (_MIDI_Funcs->LoadPatch)
{
MIDI_LoadTimbres();
}
_MIDI_ResetTracks();
if (!Reset)
@ -1660,118 +1606,6 @@ static void _MIDI_InitEMIDI
}
/*---------------------------------------------------------------------
Function: MIDI_LoadTimbres
Preloads the timbres on cards that use patch-caching.
---------------------------------------------------------------------*/
void MIDI_LoadTimbres
(
void
)
{
int32_t event;
int32_t command;
int32_t channel;
int32_t length;
int32_t Finished;
track *Track;
int32_t tracknum;
Track = _MIDI_TrackPtr;
tracknum = 0;
while ((tracknum < _MIDI_NumTracks) && (Track != NULL))
{
Finished = FALSE;
while (!Finished)
{
GET_NEXT_EVENT(Track, event);
if (GET_MIDI_COMMAND(event) == MIDI_SPECIAL)
{
switch (event)
{
case MIDI_SYSEX :
case MIDI_SYSEX_CONTINUE :
length = _MIDI_ReadDelta(Track);
Track->pos += length;
break;
case MIDI_META_EVENT :
GET_NEXT_EVENT(Track, command);
GET_NEXT_EVENT(Track, length);
if (command == MIDI_END_OF_TRACK)
{
Finished = TRUE;
}
Track->pos += length;
break;
}
if (!Finished)
{
_MIDI_ReadDelta(Track);
}
continue;
}
if (event & MIDI_RUNNING_STATUS)
{
Track->RunningStatus = event;
}
else
{
event = Track->RunningStatus;
Track->pos--;
}
channel = GET_MIDI_CHANNEL(event);
command = GET_MIDI_COMMAND(event);
length = _MIDI_CommandLengths[ command ];
if (command == MIDI_CONTROL_CHANGE)
{
if (*Track->pos == MIDI_MONO_MODE_ON)
{
length++;
}
if (*Track->pos == EMIDI_PROGRAM_CHANGE)
{
_MIDI_Funcs->LoadPatch(*(Track->pos + 1));
}
}
if (channel == MIDI_RHYTHM_CHANNEL)
{
if (command == MIDI_NOTE_ON)
{
_MIDI_Funcs->LoadPatch(128 + *Track->pos);
}
}
else
{
if (command == MIDI_PROGRAM_CHANGE)
{
_MIDI_Funcs->LoadPatch(*Track->pos);
}
}
Track->pos += length;
_MIDI_ReadDelta(Track);
}
Track++;
tracknum++;
}
_MIDI_ResetTracks();
}
void MIDI_UpdateMusic(void)
{
if (!_MIDI_SongLoaded || !_MIDI_SongActive) return;

4
polymer/eduke32/source/midi.h
View file

@ -63,10 +63,6 @@ typedef struct
void (*ProgramChange)(int32_t channel, int32_t program);
void (*ChannelAftertouch)(int32_t channel, int32_t pressure);
void (*PitchBend)(int32_t channel, int32_t lsb, int32_t msb);
void ( *ReleasePatches )( void );
void ( *LoadPatch )( int32_t number );
void ( *SetVolume )( int32_t volume );
int32_t ( *GetVolume )( void );
void (*FinishBuffer)(void);
} midifuncs;

4
polymer/eduke32/source/music.c
View file

@ -145,10 +145,6 @@ int32_t MUSIC_InitMidi(int32_t card, midifuncs *Funcs, int32_t Address)
Funcs->ProgramChange = MPU_ProgramChange;
Funcs->ChannelAftertouch = MPU_ChannelAftertouch;
Funcs->PitchBend = MPU_PitchBend;
Funcs->ReleasePatches = NULL;
Funcs->LoadPatch = NULL;
Funcs->SetVolume = NULL /*MPU_SetVolume*/;
Funcs->GetVolume = NULL /*MPU_GetVolume*/;
MIDI_SetMidiFuncs(Funcs);