char* PadresGetEnvelopeState(TrackEnvelope* envelope)
{
//! \note GetSetObjectState() does not work for take envelopes
// While loop shamelessly stolen from SWS! :)
if(!envelope)
return NULL;
char* envState = NULL;
int iEnvStateMaxSize = 65536;
int iEnvStateSize = 256;
while(true)
{
envState = (char*)realloc(envState, iEnvStateSize);
envState[0] = 0;
bool bRes = GetSetEnvelopeState(envelope, envState, iEnvStateSize);
if(bRes && (strlen(envState)!=iEnvStateSize-1))
break;
if (!bRes || (iEnvStateSize>=iEnvStateMaxSize))
{
free(envState);
return NULL;
}
iEnvStateSize *= 2;
}
return envState;
}
EnvelopeProcessor::ErrorCode EnvelopeProcessor::processTakeEnv(MediaItem_Take* take, double dStartPos, double dEndPos, TakeEnvType tTakeEnvType, EnvModType envModType, double dStrength, double dOffset)
{
double dValMin = 0.0;
double dValMax = 1.0;
bool bNeedUpdate = false;
switch(tTakeEnvType)
{
case eTAKEENV_VOLUME :
dValMax = 2.0;
bNeedUpdate = ShowTakeEnvVol(take);
break;
case eTAKEENV_PAN :
dValMin = -1.0;
bNeedUpdate = ShowTakeEnvPan(take);
break;
case eTAKEENV_MUTE :
bNeedUpdate = ShowTakeEnvMute(take);
break;
case eTAKEENV_PITCH :
dValMax = (double)GetPitchTakeEnvRangeFromPrefs();
dValMin = dValMax * (-1);
bNeedUpdate = ShowTakeEnvPitch(take);
break;
default:
break;
}
if(bNeedUpdate)
UpdateTimeline();
TrackEnvelope* envelope = SWS_GetTakeEnvelopeByName(take, GetTakeEnvelopeStr(tTakeEnvType));
if(!envelope)
return eERRORCODE_NOENVELOPE;
char* envState = PadresGetEnvelopeState(envelope);
string newState;
ErrorCode res = processPoints(envState, newState, dStartPos, dEndPos, dValMin, dValMax, envModType, dStrength, dOffset);
free(envState);
if(!newState.size() || !GetSetEnvelopeState(envelope, (char*)newState.c_str(), (int)newState.size()))
res = eERRORCODE_UNKNOWN;
/*JFB
Undo_OnStateChangeEx("Take Envelope LFO", UNDO_STATE_ALL, -1);
*/
return res;
}
EnvelopeProcessor::ErrorCode EnvelopeProcessor::generateTakeLfo(MediaItem_Take* take, double dStartPos, double dEndPos, TakeEnvType tTakeEnvType, LfoWaveParams &waveParams, double dPrecision)
{
double dValMin = 0.0;
double dValMax = 1.0;
bool bNeedUpdate = false;
switch(tTakeEnvType)
{
case eTAKEENV_VOLUME :
dValMax = 2.0;
bNeedUpdate = ShowTakeEnvVol(take);
break;
case eTAKEENV_PAN :
dValMin = -1.0;
bNeedUpdate = ShowTakeEnvPan(take);
break;
case eTAKEENV_MUTE :
bNeedUpdate = ShowTakeEnvMute(take);
break;
case eTAKEENV_PITCH:
dValMax = (double)GetPitchTakeEnvRangeFromPrefs();
dValMin = dValMax * (-1);
bNeedUpdate = ShowTakeEnvPitch(take);
break;
default:
break;
}
if(bNeedUpdate)
UpdateTimeline();
TrackEnvelope* envelope = SWS_GetTakeEnvelopeByName(take, GetTakeEnvelopeStr(tTakeEnvType));
if(!envelope)
return eERRORCODE_NOENVELOPE;
//if(dStartPos==dEndPos)
// return eERRORCODE_NULLTIMESELECTION;
string newState;
char* envState = PadresGetEnvelopeState(envelope);
if(!envState)
return eERRORCODE_NOOBJSTATE;
double dTmp[2];
int iTmp;
char* token = strtok(envState, "\n");
while(token != NULL)
{
// Position, value, shape
if(sscanf(token, "PT %lf %lf %d\n", &dTmp[0], &dTmp[1], &iTmp) == 3)
{
if(dTmp[0]>=dEndPos)
break;
if(dTmp[0]>dStartPos)
{
token = strtok(NULL, "\n");
continue;
}
}
if(!strcmp(token, ">"))
break;
newState.append(token);
newState.append("\n");
token = strtok(NULL, "\n");
}
writeLfoPoints(newState, dStartPos, dEndPos, dValMin, dValMax, waveParams, dPrecision);
newState.append(token);
newState.append("\n");
token = strtok(NULL, "\n");
while(token != NULL)
{
newState.append(token);
newState.append("\n");
token = strtok(NULL, "\n");
}
//
//ShowConsoleMsg(envState);
/*
//double dCursorPos = GetCursorPositionEx(0);
Main_OnCommandEx(ID_GOTO_SELITEM_END, 0, 0);
double dEndTime = GetCursorPositionEx(0);
Main_OnCommandEx(ID_GOTO_SELITEM_START, 0, 0);
double dStartTime = GetCursorPositionEx(0);
//SetEditCurPos2(0, dCursorPos, true, false);
if (dStartTime==dEndTime)
return eERRORCODE_NULLTIMESELECTION;
double dLength = dEndTime - dStartTime;
*/
// Doesn't work when item is looped
//PCM_source* source = GetMediaItemTake_Source(take);
//double dLength = source->GetLength();
//if(dLength <= 0.0)
// return eERRORCODE_NULLTIMESELECTION;
/*
string newState;
newState.append("<TRACK_ENVELOPE_UNKNOWN\n");
newState.append("ACT 1\n");
newState.append("VIS 1 1 1.000000\n");
newState.append("LANEHEIGHT 0 0\n");
newState.append("ARM 1\n");
newState.append("DEFSHAPE 0\n");
//writeLfoPoints(newState, 0.0, dLength, dValMin, dValMax, dFreq, dStrength, dOffset, dDelay, tWaveShape, dPrecision);
writeLfoPoints(newState, dStartPos, dEndPos, dValMin, dValMax, dFreq, dStrength, dOffset, dDelay, tWaveShape, dPrecision);
newState.append(">\n");
*/
free(envState);
if(!newState.size() || !GetSetEnvelopeState(envelope, (char*)newState.c_str(), (int)newState.size()))
return eERRORCODE_UNKNOWN;
/* JFB commented: "recursive" undo point, enabled at top level
Undo_OnStateChangeEx("Take Envelope LFO", UNDO_STATE_ALL, -1);
*/
return eERRORCODE_OK;
}
