brickworks/examples/common/vst3/controller.cpp

115 lines
2.9 KiB
C++

/*
* Brickworks
*
* Copyright (C) 2022 Orastron Srl unipersonale
*
* Brickworks is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3 of the License.
*
* Brickworks is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
*
* File author: Stefano D'Angelo
*/
#include "controller.h"
#include "pluginterfaces/base/conststringtable.h"
#include "base/source/fstreamer.h"
#include "pluginterfaces/vst/ivstmidicontrollers.h"
#include "common.h"
tresult PLUGIN_API Controller::initialize(FUnknown *context) {
tresult r = EditController::initialize(context);
if (r != kResultTrue)
return r;
// add parameters
for (int i = 0; i < NUM_PARAMETERS; i++)
parameters.addParameter(
ConstStringTable::instance()->getString(config_parameters[i].name),
config_parameters[i].units ? ConstStringTable::instance()->getString(config_parameters[i].units) : nullptr,
config_parameters[i].steps,
config_parameters[i].defaultValueUnmapped,
(config_parameters[i].out ? ParameterInfo::kIsReadOnly | ParameterInfo::kIsHidden : ParameterInfo::kCanAutomate)
| (config_parameters[i].bypass ? ParameterInfo::kIsBypass : 0),
i,
0,
config_parameters[i].shortName ? ConstStringTable::instance()->getString(config_parameters[i].shortName) : nullptr
);
#ifdef P_PITCH_BEND
parameters.addParameter(
ConstStringTable::instance()->getString("MIDI Pitch Bend"),
nullptr,
0,
0.5f,
ParameterInfo::kCanAutomate,
TAG_PITCH_BEND,
0,
nullptr
);
#endif
#ifdef P_MOD_WHEEL
parameters.addParameter(
ConstStringTable::instance()->getString("MIDI Mod Wheel"),
nullptr,
0,
0.5f,
ParameterInfo::kCanAutomate,
TAG_MOD_WHEEL,
0,
nullptr
);
#endif
return kResultTrue;
}
tresult PLUGIN_API Controller::setComponentState(IBStream *state) {
if (!state)
return kResultFalse;
IBStreamer streamer(state, kLittleEndian);
float f;
for (int i = 0; i < NUM_PARAMETERS; i++) {
if (config_parameters[i].out)
continue;
if (streamer.readFloat(f) == false)
return kResultFalse;
setParamNormalized(i, f);
}
return kResultTrue;
}
#if defined(P_PITCH_BEND) || defined(P_MOD_WHEEL)
tresult PLUGIN_API Controller::getMidiControllerAssignment(int32 busIndex, int16 channel, CtrlNumber midiControllerNumber, ParamID& id) {
if (busIndex != 0)
return kResultFalse;
#ifdef P_PITCH_BEND
if (midiControllerNumber == Vst::kPitchBend) {
id = TAG_PITCH_BEND;
return kResultTrue;
}
#endif
#ifdef P_MOD_WHEEL
if (midiControllerNumber == Vst::kCtrlModWheel) {
id = TAG_MOD_WHEEL;
return kResultTrue;
}
#endif
return kResultFalse;
}
#endif