mirror of
https://github.com/ZDoom/raze-gles.git
synced 2024-12-25 11:10:47 +00:00
Further AdLib cleanup... leaving this in a separate commit in case I fucked something up
git-svn-id: https://svn.eduke32.com/eduke32@8220 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
terminx
Christoph Oelckers
parent
8eb5233232
commit
6fa287c767
1 changed files with 34 additions and 110 deletions
|
|
@ -45,6 +45,7 @@ enum
|
|||
AdLibErr_Ok = 0,
|
||||
};
|
||||
|
||||
static void AL_Shutdown(void);
|
||||
static int ErrorCode;
|
||||
|
||||
int AdLibDrv_GetError(void) { return ErrorCode; }
|
||||
|
|
@ -89,7 +90,12 @@ int AdLibDrv_MIDI_Init(midifuncs *funcs)
|
|||
}
|
||||
|
||||
void AdLibDrv_MIDI_HaltPlayback(void) { MV_UnhookMusicRoutine(); }
|
||||
void AdLibDrv_MIDI_Shutdown(void) { AdLibDrv_MIDI_HaltPlayback(); }
|
||||
|
||||
void AdLibDrv_MIDI_Shutdown(void)
|
||||
{
|
||||
AdLibDrv_MIDI_HaltPlayback();
|
||||
AL_Shutdown();
|
||||
}
|
||||
|
||||
int AdLibDrv_MIDI_StartPlayback(void (*service)(void))
|
||||
{
|
||||
|
|
@ -193,7 +199,6 @@ static int AL_LeftPort = ADLIB_PORT;
|
|||
static int AL_RightPort = ADLIB_PORT;
|
||||
static int AL_Stereo;
|
||||
static int AL_SendStereo;
|
||||
static int AL_OPL3;
|
||||
static int AL_MaxMidiChannel = 16;
|
||||
|
||||
#define OFFSET(structure, offset) (*((char **)&(structure)[offset]))
|
||||
|
|
@ -294,12 +299,7 @@ static void AL_SetVoiceTimbre(int voice)
|
|||
AL_SendOutputToPort(AL_RightPort, 0xC0 + voice, (timbre->Feedback & 0x0f) | 0x10);
|
||||
}
|
||||
else
|
||||
{
|
||||
if (AL_OPL3)
|
||||
AL_SendOutput(port, 0xC0 + voc, (timbre->Feedback & 0x0f) | 0x30);
|
||||
else
|
||||
AL_SendOutputToPort(ADLIB_PORT, 0xC0 + voice, timbre->Feedback);
|
||||
}
|
||||
|
||||
off = offsetSlot[slot];
|
||||
|
||||
|
|
@ -325,15 +325,14 @@ static void AL_SetVoiceVolume(int voice)
|
|||
auto timbre = &ADLIB_TimbreBank[Voice[voice].timbre];
|
||||
|
||||
int velocity = Voice[voice].velocity + timbre->Velocity;
|
||||
velocity = std::min(velocity, MAX_VELOCITY);
|
||||
velocity = min(velocity, MAX_VELOCITY);
|
||||
|
||||
int voc = (voice >= NUMADLIBVOICES) ? voice - NUMADLIBVOICES : voice;
|
||||
int slot = slotVoice[voc][1];
|
||||
int port = Voice[voice].port;
|
||||
int const voc = (voice >= NUMADLIBVOICES) ? voice - NUMADLIBVOICES : voice;
|
||||
int const slot = slotVoice[voc][1];
|
||||
int const port = Voice[voice].port;
|
||||
|
||||
// amplitude
|
||||
uint32_t t1 = (unsigned int)VoiceLevel[slot][port];
|
||||
t1 *= (velocity + 0x80);
|
||||
uint32_t t1 = (unsigned int)VoiceLevel[slot][port] * (velocity + 0x80);
|
||||
t1 = (Channel[channel].Volume * t1) >> 15;
|
||||
|
||||
if (!AL_SendStereo)
|
||||
|
|
@ -346,12 +345,11 @@ static void AL_SetVoiceVolume(int voice)
|
|||
// Check if this timbre is Additive
|
||||
if (timbre->Feedback & 0x01)
|
||||
{
|
||||
slot = slotVoice[voc][0];
|
||||
int const slot = slotVoice[voc][0];
|
||||
|
||||
// amplitude
|
||||
uint32_t t2 = (unsigned int)VoiceLevel[slot][port];
|
||||
t2 *= (velocity + 0x80);
|
||||
t2 = (Channel[channel].Volume * t1) >> 15;
|
||||
uint32_t t2 = (unsigned int)VoiceLevel[slot][port] * (velocity + 0x80);
|
||||
t2 = (Channel[channel].Volume * t2) >> 15;
|
||||
|
||||
volume = t2 ^ 63;
|
||||
volume |= (unsigned int)VoiceKsl[slot][port];
|
||||
|
|
@ -392,11 +390,10 @@ static void AL_SetVoiceVolume(int voice)
|
|||
if (timbre->Feedback & 0x01)
|
||||
{
|
||||
// amplitude
|
||||
uint32_t t2 = (unsigned int)VoiceLevel[slot][port];
|
||||
t2 *= (velocity + 0x80);
|
||||
t2 = (Channel[channel].Volume * t1) >> 15;
|
||||
uint32_t t2 = (unsigned int)VoiceLevel[slot][port] * (velocity + 0x80);
|
||||
t2 = (Channel[channel].Volume * t2) >> 15;
|
||||
|
||||
slot = slotVoice[voc][0];
|
||||
int const slot = slotVoice[voc][0];
|
||||
|
||||
// Set left channel volume
|
||||
volume = t2;
|
||||
|
|
@ -560,7 +557,7 @@ static void AL_ResetVoices(void)
|
|||
|
||||
int numvoices = NUMADLIBVOICES;
|
||||
|
||||
if ((AL_OPL3) && (!AL_Stereo))
|
||||
if (!AL_Stereo)
|
||||
numvoices = NUMADLIBVOICES * 2;
|
||||
|
||||
for (int index = 0; index < numvoices; index++)
|
||||
|
|
@ -649,40 +646,20 @@ static void AL_FlushCard(int port)
|
|||
|
||||
static void AL_StereoOn(void)
|
||||
{
|
||||
if ((AL_Stereo) && (!AL_SendStereo))
|
||||
{
|
||||
if (AL_Stereo && !AL_SendStereo)
|
||||
AL_SendStereo = TRUE;
|
||||
if (AL_OPL3)
|
||||
{
|
||||
// Set card to OPL3 operation
|
||||
|
||||
AL_SendOutputToPort(AL_RightPort, 0x5, 1);
|
||||
}
|
||||
}
|
||||
else if (AL_OPL3)
|
||||
{
|
||||
// Set card to OPL3 operation
|
||||
AL_SendOutputToPort(AL_RightPort, 0x5, 1);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static void AL_StereoOff(void)
|
||||
{
|
||||
if ((AL_Stereo) && (AL_SendStereo))
|
||||
{
|
||||
if (AL_Stereo && AL_SendStereo)
|
||||
AL_SendStereo = FALSE;
|
||||
if (AL_OPL3)
|
||||
{
|
||||
// Set card back to OPL2 operation
|
||||
|
||||
AL_SendOutputToPort(AL_RightPort, 0x5, 0);
|
||||
}
|
||||
}
|
||||
else if (AL_OPL3)
|
||||
{
|
||||
// Set card back to OPL2 operation
|
||||
AL_SendOutputToPort(AL_RightPort, 0x5, 0);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static void AL_Reset(void)
|
||||
|
|
@ -695,47 +672,9 @@ static void AL_Reset(void)
|
|||
|
||||
AL_StereoOn();
|
||||
|
||||
if ((AL_SendStereo) || (AL_OPL3))
|
||||
{
|
||||
AL_FlushCard(AL_LeftPort);
|
||||
AL_FlushCard(AL_RightPort);
|
||||
}
|
||||
else
|
||||
AL_FlushCard(ADLIB_PORT);
|
||||
}
|
||||
|
||||
|
||||
static int AL_ReserveVoice(int voice)
|
||||
{
|
||||
if ((voice < 0) || (voice >= NUMADLIBVOICES))
|
||||
return AdLibErr_Error;
|
||||
|
||||
if (VoiceReserved[voice])
|
||||
return AdLibErr_Warning;
|
||||
|
||||
if (Voice[voice].status == NOTE_ON)
|
||||
AL_NoteOff(Voice[voice].channel, Voice[voice].key, 0);
|
||||
|
||||
VoiceReserved[voice] = TRUE;
|
||||
LL_Remove(AdLibVoice, &Voice_Pool, &Voice[voice]);
|
||||
|
||||
return AdLibErr_Ok;
|
||||
}
|
||||
|
||||
|
||||
static int AL_ReleaseVoice(int voice)
|
||||
{
|
||||
if ((voice < 0) || (voice >= NUMADLIBVOICES))
|
||||
return AdLibErr_Error;
|
||||
|
||||
if (!VoiceReserved[voice])
|
||||
return AdLibErr_Warning;
|
||||
|
||||
VoiceReserved[voice] = FALSE;
|
||||
LL_AddToTail(AdLibVoice, &Voice_Pool, &Voice[voice]);
|
||||
|
||||
return AdLibErr_Ok;
|
||||
}
|
||||
|
||||
|
||||
static void AL_NoteOff(int channel, int key, int velocity)
|
||||
|
|
@ -790,11 +729,10 @@ static void AL_NoteOn(int channel, int key, int velocity)
|
|||
AL_NoteOff(9, Channel[9].Voices.start->key, 0);
|
||||
voice = AL_AllocVoice();
|
||||
}
|
||||
|
||||
if (voice == AL_VoiceNotFound)
|
||||
{
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
Voice[voice].key = key;
|
||||
Voice[voice].channel = channel;
|
||||
|
|
@ -809,13 +747,11 @@ static void AL_NoteOn(int channel, int key, int velocity)
|
|||
}
|
||||
|
||||
|
||||
static void AL_AllNotesOff(int channel)
|
||||
static inline void AL_AllNotesOff(int channel)
|
||||
{
|
||||
while (Channel[channel].Voices.start != nullptr)
|
||||
{
|
||||
AL_NoteOff(channel, Channel[channel].Voices.start->key, 0);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static void AL_ControlChange(int channel, int type, int data)
|
||||
|
|
@ -890,19 +826,15 @@ static void AL_ProgramChange(int channel, int patch)
|
|||
|
||||
static void AL_SetPitchBend(int channel, int lsb, int msb)
|
||||
{
|
||||
int pitchbend;
|
||||
int TotalBend;
|
||||
AdLibVoice *voice;
|
||||
|
||||
// We only play channels 1 through 10
|
||||
if (channel > AL_MaxMidiChannel)
|
||||
return;
|
||||
|
||||
pitchbend = lsb + (msb << 8);
|
||||
int const pitchbend = lsb + (msb << 8);
|
||||
|
||||
Channel[channel].Pitchbend = pitchbend;
|
||||
|
||||
TotalBend = pitchbend * Channel[channel].PitchBendRange;
|
||||
int TotalBend = pitchbend * Channel[channel].PitchBendRange;
|
||||
TotalBend /= (PITCHBEND_CENTER / FINETUNE_RANGE);
|
||||
|
||||
Channel[channel].KeyOffset = (int)(TotalBend / FINETUNE_RANGE);
|
||||
|
|
@ -910,7 +842,7 @@ static void AL_SetPitchBend(int channel, int lsb, int msb)
|
|||
|
||||
Channel[channel].KeyDetune = (unsigned int)(TotalBend % FINETUNE_RANGE);
|
||||
|
||||
voice = Channel[channel].Voices.start;
|
||||
auto voice = Channel[channel].Voices.start;
|
||||
while (voice != nullptr)
|
||||
{
|
||||
AL_SetVoicePitch(voice->num);
|
||||
|
|
@ -923,24 +855,16 @@ static void AL_Shutdown(void)
|
|||
{
|
||||
AL_StereoOff();
|
||||
|
||||
AL_OPL3 = FALSE;
|
||||
AL_ResetVoices();
|
||||
AL_Reset();
|
||||
}
|
||||
|
||||
|
||||
static void AL_SetMaxMidiChannel(int channel) { AL_MaxMidiChannel = channel - 1; }
|
||||
|
||||
static int AL_Init(int rate)
|
||||
{
|
||||
OPL3_Reset(&chip, rate);
|
||||
|
||||
AL_Stereo = FALSE;
|
||||
// AL_OPL3 = FALSE;
|
||||
// AL_LeftPort = ADLIB_PORT;
|
||||
// AL_RightPort = ADLIB_PORT;
|
||||
|
||||
AL_OPL3 = TRUE;
|
||||
AL_LeftPort = ADLIB_PORT;
|
||||
AL_RightPort = ADLIB_PORT + 2;
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue