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#pragma once
#include "Interface.h"
#include "PluginCommand.h"
#include <cstring>
namespace vst {
class DeferredPlugin : public IPlugin {
public:
void setParameter(int index, float value, int sampleOffset) override {
Command command(Command::SetParamValue);
auto& param = command.paramValue;
param.index = index;
param.value = value;
param.offset = sampleOffset;
pushCommand(command);
}
bool setParameter(int index, std::string_view str, int sampleOffset) override {
auto size = str.size();
if (size > Command::maxShortStringSize) {
// bummer, we need to allocate on the heap
auto buf = new char[size + 1];
memcpy(buf, str.data(), size + 1);
Command command(Command::SetParamString);
auto& param = command.paramString;
param.offset = sampleOffset;
param.index = index;
param.size = size;
param.str = buf;
pushCommand(command);
} else {
Command command(Command::SetParamStringShort);
auto& param = command.paramStringShort;
param.offset = sampleOffset;
param.index = index;
// pascal string!!
param.pstr[0] = (uint8_t)size;
memcpy(¶m.pstr[1], str.data(), size);
pushCommand(command);
}
return true; // what shall we do?
}
void setBypass(Bypass state) override {
Command command(Command::SetBypass);
command.i = static_cast<int32_t>(state);
pushCommand(command);
}
void setProgram(int program) override {
Command command(Command::SetProgram);
command.i = program;
pushCommand(command);
}
void sendMidiEvent(const MidiEvent& event) override {
Command command(Command::SendMidi);
auto& midi = command.midi;
memcpy(midi.data, event.data, sizeof(event.data));
midi.delta = event.delta;
midi.detune = event.detune;
pushCommand(command);
}
void sendSysexEvent(const SysexEvent& event) override {
// copy data (LATER improve)
auto data = new char[event.size];
memcpy(data, event.data, event.size);
Command command(Command::SendSysex);
auto& sysex = command.sysex;
sysex.data = data;
sysex.size = event.size;
sysex.delta = event.delta;
pushCommand(command);
}
void setTempoBPM(double tempo) override {
Command command(Command::SetTempo);
command.d = tempo;
pushCommand(command);
}
void setTimeSignature(int numerator, int denominator) override {
Command command(Command::SetTimeSignature);
command.timeSig.num = numerator;
command.timeSig.denom = denominator;
pushCommand(command);
}
void setTransportPlaying(bool play) override {
Command command(Command::SetTransportPlaying);
command.i = play;
pushCommand(command);
}
void setTransportRecording(bool record) override {
Command command(Command::SetTransportRecording);
command.i = record;
pushCommand(command);
}
void setTransportAutomationWriting(bool writing) override {
Command command(Command::SetTransportAutomationWriting);
command.i = writing;
pushCommand(command);
}
void setTransportAutomationReading(bool reading) override {
Command command(Command::SetTransportAutomationReading);
command.i = reading;
pushCommand(command);
}
void setTransportCycleActive(bool active) override {
Command command(Command::SetTransportCycleActive);
command.i = active;
pushCommand(command);
}
void setTransportCycleStart(double beat) override {
Command command(Command::SetTransportCycleStart);
command.d = beat;
pushCommand(command);
}
void setTransportCycleEnd(double beat) override {
Command command(Command::SetTransportCycleEnd);
command.d = beat;
pushCommand(command);
}
void setTransportPosition(double beat) override {
Command command(Command::SetTransportPosition);
command.d = beat;
pushCommand(command);
}
protected:
virtual void pushCommand(const Command& command) = 0;
};
} // vst
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