osci-render/Source/audio/CustomEffect.cpp

63 wiersze
1.6 KiB
C++

#include "CustomEffect.h"
#include <numbers>
#include "../MathUtil.h"
const juce::String CustomEffect::FILE_NAME = "6a3580b0-c5fc-4b28-a33e-e26a487f052f";
CustomEffect::CustomEffect(std::function<void(int, juce::String, juce::String)> errorCallback) : errorCallback(errorCallback) {}
CustomEffect::~CustomEffect() {
parser->close(L);
}
Point CustomEffect::apply(int index, Point input, const std::vector<double>& values, double sampleRate) {
auto effectScale = values[0];
auto x = input.x;
auto y = input.y;
auto z = input.z;
{
juce::SpinLock::ScopedLockType lock(codeLock);
if (!defaultScript) {
parser->setVariable("x", x);
parser->setVariable("y", y);
parser->setVariable("z", z);
auto result = parser->run(L, LuaVariables{sampleRate, 0}, step, phase);
if (result.size() >= 3) {
x = result[0];
y = result[1];
z = result[2];
}
} else {
parser->resetErrors();
}
}
return Point(
(1 - effectScale) * input.x + effectScale * x,
(1 - effectScale) * input.y + effectScale * y,
(1 - effectScale) * input.z + effectScale * z
);
}
void CustomEffect::updateCode(const juce::String& newCode) {
juce::SpinLock::ScopedLockType lock(codeLock);
defaultScript = newCode == DEFAULT_SCRIPT;
code = newCode;
parser = std::make_unique<LuaParser>(FILE_NAME, code, errorCallback);
}
void CustomEffect::setVariable(juce::String variableName, double value) {
juce::SpinLock::ScopedLockType lock(codeLock);
if (!defaultScript) {
parser->setVariable(variableName, value);
}
}
juce::String CustomEffect::getCode() {
juce::SpinLock::ScopedLockType lock(codeLock);
return code;
}