/
VCO.cpp
1357 lines (1171 loc) · 44.7 KB
/
VCO.cpp
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/*
* SurgeXT for VCV Rack - a Surge Synth Team product
*
* Copyright 2019 - 2022, Various authors, as described in the github
* transaction log.
*
* SurgeXT for VCV Rack is released under the Gnu General Public Licence
* V3 or later (GPL-3.0-or-later). The license is found in the file
* "LICENSE" in the root of this repository or at
* https://www.gnu.org/licenses/gpl-3.0.en.html
*
* All source for Surge XT for VCV Rack is available at
* https://github.com/surge-synthesizer/surge-rack/
*/
#if ARCH_LIN
#include <immintrin.h>
#endif
#include "VCO.h"
#include "VCOConfig.h"
#include "XTWidgets.h"
#include "SurgeXT.h"
#include "XTModuleWidget.h"
#include "osdialog.h"
namespace sst::surgext_rack::vco::ui
{
template <int oscType> struct WavetableMenuBuilder
{
static void sendLoadFor(VCO<oscType> *module, int nt)
{
auto msg = typename vco::VCO<oscType>::WavetableMessage();
msg.index = nt;
module->wavetableQueue.push(msg);
}
static void sendLoadForPath(VCO<oscType> *module, const char *fn, int sz = -1)
{
auto msg = typename vco::VCO<oscType>::WavetableMessage();
strncpy(msg.filename, fn, 256);
msg.filename[255] = 0;
msg.index = -1;
msg.defaultSize = sz;
module->wavetableQueue.push(msg);
}
static rack::ui::Menu *menuForCategory(rack::ui::Menu *menu, VCO<oscType> *module,
int categoryId)
{
if (!module)
return nullptr;
auto storage = module->storage.get();
auto &cat = storage->wt_category[categoryId];
for (auto p : storage->wtOrdering)
{
if (storage->wt_list[p].category == categoryId)
{
menu->addChild(rack::createMenuItem(storage->wt_list[p].name, "",
[module, p]() { sendLoadFor(module, p); }));
}
}
// menu->addChild(rack::createMenuItem(name));
for (auto child : cat.children)
{
if (child.numberOfPatchesInCategoryAndChildren > 0)
{
// this isn't the best approach but it works
int cidx = 0;
for (auto &cc : storage->wt_category)
{
if (cc.name == child.name)
{
break;
}
cidx++;
}
auto &kidcat = storage->wt_category[cidx];
std::string catName = kidcat.name;
std::size_t sepPos = catName.find_last_of(PATH_SEPARATOR);
if (sepPos != std::string::npos)
{
catName = catName.substr(sepPos + 1);
}
menu->addChild(rack::createSubmenuItem(
catName, "", [cidx, module](auto *x) { menuForCategory(x, module, cidx); }));
}
}
return menu;
}
static void downloadExtraContent(VCO<oscType> *module)
{
auto t = std::thread([module]() {
float progress{0};
std::string archivePath = rack::asset::user("SurgeXTRack/SurgeXT_ExtraContent.tar.zst");
std::string url = "https://github.com/surge-synthesizer/surge-rack/releases/download/"
"Content/SurgeXTRack_ExtraContent.tar.zst";
std::string dirPath = rack::asset::user("SurgeXTRack/");
rack::network::requestDownload(url, archivePath, &progress);
rack::system::unarchiveToDirectory(archivePath, dirPath);
rack::system::remove(archivePath);
module->forceRefreshWT = true;
});
t.detach();
}
static void buildMenuOnto(rack::ui::Menu *menu, VCO<oscType> *module)
{
if (!module)
return;
menu->addChild(rack::createMenuLabel("WaveTables"));
auto storage = module->storage.get();
int idx{0};
bool addSepIfMaking{false};
for (auto c : storage->wtCategoryOrdering)
{
PatchCategory cat = storage->wt_category[c];
if (idx == storage->firstThirdPartyWTCategory ||
(idx == storage->firstUserWTCategory &&
storage->firstUserWTCategory != (int)storage->wt_category.size()))
{
addSepIfMaking = true;
}
idx++;
if (cat.numberOfPatchesInCategoryAndChildren == 0)
{
continue;
}
if (cat.isRoot)
{
if (addSepIfMaking)
{
menu->addChild(new rack::ui::MenuSeparator);
addSepIfMaking = false;
}
menu->addChild(rack::createSubmenuItem(
cat.name, "", [c, module](auto *x) { return menuForCategory(x, module, c); }));
}
}
menu->addChild(new rack::ui::MenuSeparator);
menu->addChild(rack::createMenuItem("Load Wavetable File", "", [module]() {
#ifdef USING_CARDINAL_NOT_RACK
async_dialog_filebrowser(false, "wavetable.wav", nullptr, "Load Wavetable File",
[=](char *openF) {
if (openF)
{
DEFER({ std::free(openF); });
sendLoadForPath(module, openF);
}
});
#else
#if MAC
osdialog_filters *filters{nullptr};
#else
auto filters = osdialog_filters_parse("Wavetables:wav,.WAV,.Wav,.wt,.WT,.Wt");
DEFER({ osdialog_filters_free(filters); });
#endif
char *openF = osdialog_file(OSDIALOG_OPEN, nullptr, nullptr, filters);
if (openF)
{
DEFER({ std::free(openF); });
sendLoadForPath(module, openF);
}
#endif
}));
menu->addChild(rack::createMenuItem("Load WaveEdit Wavetable", "", [module]() {
#ifdef USING_CARDINAL_NOT_RACK
async_dialog_filebrowser(false, "wavetable.wav", nullptr, "Load WaveEdit Wavetable",
[=](char *openF) {
if (openF)
{
DEFER({ std::free(openF); });
sendLoadForPath(module, openF, 256);
}
});
#else
auto filters = osdialog_filters_parse("Wavetables:wav,.WAV,.Wav");
DEFER({ osdialog_filters_free(filters); });
char *openF = osdialog_file(OSDIALOG_OPEN, nullptr, nullptr, filters);
if (openF)
{
DEFER({ std::free(openF); });
sendLoadForPath(module, openF, 256);
}
#endif
}));
menu->addChild(rack::createSubmenuItem("Load Untagged Wav as", "", [module](auto *pm) {
for (int i = 6; i < 13; ++i)
{
auto label = std::to_string(1 << i) + " Sample Frame WaveTable";
pm->addChild(rack::createMenuItem(label, "", [module, i]() {
#ifdef USING_CARDINAL_NOT_RACK
async_dialog_filebrowser(false, "wavetable.wav", nullptr, "Load Untagged Wav",
[=](char *openF) {
if (openF)
{
DEFER({ std::free(openF); });
sendLoadForPath(module, openF, 1 << i);
}
});
#else
auto filters = osdialog_filters_parse("Wavetables:wav,.WAV,.Wav");
DEFER({ osdialog_filters_free(filters); });
char *openF = osdialog_file(OSDIALOG_OPEN, nullptr, nullptr, filters);
if (openF)
{
DEFER({ std::free(openF); });
sendLoadForPath(module, openF, 1 << i);
}
#endif
}));
}
}));
menu->addChild(new rack::MenuSeparator);
#if PROGRESS_ON_710
menu->addChild(rack::createMenuItem("Download Extra Wavetable Content", "",
[module]() { downloadExtraContent(module); }));
#endif
menu->addChild(rack::createMenuItem("Reveal User Wavetables Directory", "", [module]() {
rack::system::openDirectory((module->storage->userDataPath / "Wavetables").u8string());
}));
menu->addChild(rack::createMenuItem("Rescan Wavetables", "",
[module]() { module->forceRefreshWT = true; }));
}
};
template <int oscType> struct VCOWidget : public widgets::XTModuleWidget
{
typedef VCO<oscType> M;
VCOWidget(M *module);
std::array<std::array<rack::Widget *, M::n_mod_inputs>, 8> overlays;
std::array<widgets::ModulatableKnob *, 8> underKnobs;
std::array<widgets::ModToggleButton *, M::n_mod_inputs> toggles;
void childrenChanged() { resetStyleCouplingToModule(); }
void selectModulator(int mod) override
{
if (toggles[mod])
toggles[mod]->onToggle(!toggles[mod]->pressedState);
}
virtual void characterMenu(rack::Menu *p, M *m)
{
if (!m || !m->paramQuantities[M::CHARACTER])
return;
auto pq = m->paramQuantities[M::CHARACTER];
auto pqvi = (int)std::round(pq->getValue());
for (auto c : {cm_warm, cm_neutral, cm_bright})
{
p->addChild(rack::createMenuItem(character_names[c], CHECKMARK(pqvi == c),
[pq, c]() { pq->setValue(c); }));
}
}
virtual void downsampleMenu(rack::Menu *p, M *m)
{
if (!m)
return;
auto hbM = m->halfbandM;
auto hbS = m->halfbandSteep;
for (auto steep : {true, false})
{
for (auto M : {6, 5, 4, 3, 2, 1})
{
auto name =
std::string("M = ") + std::to_string(M) + ", " + (steep ? "steep" : "shallow");
p->addChild(
rack::createMenuItem(name, CHECKMARK(hbM == M && hbS == steep), [m, M, steep] {
m->setHalfbandCharacteristics(M, steep);
}));
}
if (steep)
p->addChild(new rack::MenuSeparator);
}
}
virtual void appendModuleSpecificMenu(rack::ui::Menu *menu) override
{
if (module)
{
auto m = static_cast<M *>(module);
menu->addChild(new rack::ui::MenuSeparator);
auto addBoolMenu = [menu, m](auto *l, auto p) {
if (!m || !m->paramQuantities[p])
return;
auto v = m->paramQuantities[p]->getValue() > 0.5;
menu->addChild(rack::createMenuItem(
l, CHECKMARK(v), [m, v, p]() { m->paramQuantities[p]->setValue(v ? 0 : 1); }));
};
addBoolMenu("Retrigger With Phase=0", M::RETRIGGER_STYLE);
if (VCOConfig<oscType>::supportsUnison())
{
addBoolMenu("Extend Unison Detune", M::EXTEND_UNISON);
addBoolMenu("Absolute Unison Detune", M::ABSOLUTE_UNISON);
}
if (VCOConfig<oscType>::requiresWavetables())
{
menu->addChild(new rack::MenuSeparator);
menu->addChild(rack::createSubmenuItem("Wavetables", "", [m](auto *x) {
WavetableMenuBuilder<oscType>::buildMenuOnto(x, m);
}));
}
menu->addChild(new rack::MenuSeparator);
menu->addChild(rack::createSubmenuItem("Character", "",
[this, m](auto *x) { characterMenu(x, m); }));
auto driftSlider = new rack::ui::Slider;
driftSlider->quantity = module->paramQuantities[M::DRIFT];
driftSlider->box.size.x = 125;
menu->addChild(driftSlider);
auto attenSlider = new rack::ui::Slider;
attenSlider->quantity = module->paramQuantities[M::FIXED_ATTENUATION];
attenSlider->box.size.x = 125;
menu->addChild(attenSlider);
menu->addChild(rack::createSubmenuItem("Halfband Filter", "",
[this, m](auto *x) { downsampleMenu(x, m); }));
menu->addChild(rack::createMenuItem("Apply DC Blocker", CHECKMARK(m->doDCBlock),
[m]() { m->doDCBlock = !m->doDCBlock; }));
VCOConfig<oscType>::addMenuItems(m, menu);
}
}
void step() override
{
if constexpr (VCOConfig<oscType>::requiresWavetables())
{
auto vm = static_cast<VCO<oscType> *>(module);
if (vm && vm->forceRefreshWT)
{
vm->forceRefreshWT = false;
vm->storage->refresh_wtlist();
}
}
widgets::XTModuleWidget::step();
}
};
template <int oscType> struct WavetableSelector : widgets::PresetJogSelector
{
VCO<oscType> *module{nullptr};
uint32_t wtloadCompare{842932918};
static WavetableSelector *create(const rack::Vec &pos, const rack::Vec &size,
VCO<oscType> *module)
{
auto res = new WavetableSelector();
res->box.pos = pos;
res->box.size = size;
res->module = module;
res->setup();
return res;
}
int wtNo{100};
void onPresetJog(int dir) override
{
if (!module)
return;
// FIX ME - ordering aware jog pls
bool wantNext = dir > 0;
auto nt = module->storage->getAdjacentWaveTable(module->wavetableIndex, wantNext);
WavetableMenuBuilder<oscType>::sendLoadFor(module, nt);
}
void onShowMenu() override
{
if (!module)
return;
auto menu = rack::createMenu();
WavetableMenuBuilder<oscType>::buildMenuOnto(menu, module);
}
std::string getPresetName() override
{
if (module)
return module->getWavetableName();
return "WaveTable Name";
}
bool isDirty() override
{
if (!module)
return false;
if (wtloadCompare != module->wavetableLoads)
{
wtloadCompare = module->wavetableLoads;
return true;
}
return false; // cache wavetable load from module
}
};
template <int oscType>
struct OSCPlotWidget : public rack::widget::TransparentWidget, style::StyleParticipant
{
typename VCOWidget<oscType>::M *module{nullptr};
widgets::BufferedDrawFunctionWidget *bdw{nullptr};
widgets::BufferedDrawFunctionWidget *bdwPlot{nullptr};
void setup(typename VCOWidget<oscType>::M *m)
{
module = m;
if (module)
{
storage = module->storage.get();
oscdata = &(storage->getPatch().scene[0].osc[1]); // this is tne no-mod storage
}
bdw = new widgets::BufferedDrawFunctionWidget(rack::Vec(0, 0), box.size,
[this](auto *vg) { drawPlotBackground(vg); });
addChild(bdw);
bdwPlot = new widgets::BufferedDrawFunctionWidgetOnLayer(
rack::Vec(0, 0), box.size, [this](auto *vg) { drawPlot(vg); });
addChild(bdwPlot);
for (int i = 0; i < n_osc_params; ++i)
priorDeform[i] = 0;
}
std::set<rack::Widget *> deleteOnNextStep;
void step() override
{
for (auto d : deleteOnNextStep)
{
getParent()->removeChild(d);
delete d;
}
if (deleteOnNextStep.size())
{
auto p = getParent();
auto dp = dynamic_cast<VCOWidget<oscType> *>(p);
if (dp)
dp->childrenChanged();
recalcPath();
bdwPlot->dirty = true;
bdw->dirty = true;
}
deleteOnNextStep.clear();
if (!module)
return;
/*
* if wavetable changed and draw wavetable bdw->dirty = true
*/
if (isDirty())
{
recalcPath();
bdwPlot->dirty = true;
}
if constexpr (VCOConfig<oscType>::requiresWavetables())
{
if (wtloadCompare != module->wavetableLoads)
{
wtloadCompare = module->wavetableLoads;
recalcPath();
bdw->dirty = true;
bdwPlot->dirty = true;
}
}
if constexpr (VCOConfig<oscType>::supportsCustomEditor())
{
auto sce = VCOConfig<oscType>::isCustomEditorActivatable(module);
if (sce != showCustomEditorOpen)
{
bdw->dirty = true;
bdwPlot->dirty = true;
}
showCustomEditorOpen = sce;
}
else
{
showCustomEditorOpen = false;
}
rack::widget::Widget::step();
}
virtual void onStyleChanged() override
{
bdw->dirty = true;
bdwPlot->dirty = true;
auto vcm = dynamic_cast<VCO<oscType> *>(module);
if (vcm)
vcm->animateDisplayFromMod = style::XTStyle::getShowModulationAnimationOnDisplay();
}
static OSCPlotWidget<oscType> *create(rack::Vec pos, rack::Vec size,
typename VCOWidget<oscType>::M *module)
{
auto *res = rack::createWidget<OSCPlotWidget<oscType>>(pos);
res->box.pos = pos;
res->box.size = size;
res->setup(module);
return res;
}
bool firstDirty{false};
int dirtyCount{0};
int sumDeact{-1};
int sumAbs{-1};
int priorDeform[n_osc_params]{};
int charF{-1};
bool isOneShot{false};
bool showCustomEditorOpen{false};
uint32_t wtloadCompare{842932918};
bool isDirty()
{
if (!firstDirty)
{
firstDirty = true;
return true;
}
bool dval{false};
if (module)
{
auto lSumDeact = 0, lSumAbs = 0;
for (int i = 0; i < n_osc_params; i++)
{
dval = dval || (tp[oscdata->p[i].param_id_in_scene].i != oscdata->p[i].val.i);
lSumDeact += oscdata->p[i].deactivated * (1 << i);
lSumAbs += oscdata->p[i].absolute * (1 << i);
dval = dval || (priorDeform[i] != oscdata->p[i].deform_type);
priorDeform[i] = oscdata->p[i].deform_type;
}
if (lSumDeact != sumDeact || lSumAbs != sumAbs)
{
sumDeact = lSumDeact;
sumAbs = lSumAbs;
dval = true;
}
if (charF != storage->getPatch().character.val.i)
{
charF = storage->getPatch().character.val.i;
dval = true;
}
if (VCOConfig<oscType>::requiresWavetables())
{
auto wos = module->isWTOneShot();
if (wos != isOneShot)
{
dval = true;
}
isOneShot = wos;
}
}
return dval;
}
pdata tp[n_scene_params];
OscillatorStorage *oscdata{nullptr};
SurgeStorage *storage{nullptr};
unsigned char oscbuffer alignas(16)[oscillator_buffer_size];
Oscillator *setupOscillator()
{
tp[oscdata->pitch.param_id_in_scene].f = 0;
for (int i = 0; i < n_osc_params; i++)
{
tp[oscdata->p[i].param_id_in_scene].i = oscdata->p[i].val.i;
}
auto res = spawn_osc(oscdata->type.val.i, storage, oscdata, tp, oscbuffer);
res->init_ctrltypes();
return res;
}
std::vector<std::pair<float, float>> oscPath;
void recalcPath()
{
oscPath.clear();
if (VCOConfig<oscType>::requiresWavetables())
{
if (module->wavetableCount == 0)
return;
}
if (module && module->draw3DWavetable)
{
auto wtlockguard = std::lock_guard<std::mutex>(module->storage->waveTableDataMutex);
auto &wt = oscdata->wt;
auto pos = -1.f;
// OK so now go backwards through the tables but also tilt and raise for the 3D effect
auto smp = wt.size;
auto smpinv = 1.0 / smp;
auto w = box.size.x;
auto h = box.size.y;
// Now we have a sort of skew back and offset as we go. The skew is sort of a rotation
// and the depth is sort of how flattened it is. Finally the hCompress augments height.
auto skewPct = 0.4;
auto depthPct = 0.6;
auto hCompress = 0.55;
bool off = false;
switch (oscdata->type.val.i)
{
case ot_wavetable:
case ot_window:
pos = oscdata->p[0].val.f;
off = oscdata->p[0].extend_range;
break;
default:
pos = 0.f;
break;
};
auto tpos = pos * (wt.n_tables - off);
auto sel = std::clamp(tpos, 0.f, (wt.n_tables - 1.f));
auto tb = wt.TableF32WeakPointers[0][(int)std::floor(sel)];
float tpct = 1.0 * sel / std::max((int)(wt.n_tables - 1), 1);
if (wt.n_tables == 1)
{
tpct = 0.f;
}
float x0 = tpct * skewPct * w;
float y0 = (1.0 - tpct) * depthPct * h;
auto lw = w * (1.0 - skewPct);
auto hw = h * depthPct * hCompress;
auto osc = setupOscillator();
if (!osc)
{
return;
}
int totalSamples = box.size.x;
// We want totalSamples to be one cycle so
// totalSamples = sampleRate / frequency
// frequency = sampleRate / totalSamples
// 440 * 2^((pitch-69)/12) = sampleRate / totalSamples
// pitch-69 = 12 * log2(sampleRate / totalSamples / 400)
// but these run oversample so add an octave
float disp_pitch_rs =
12.f * std::log2f(storage->samplerate / (totalSamples - 4) / 440.f) + 69.f + 12 +
0.1;
osc->init(disp_pitch_rs, true, true);
int block_pos = BLOCK_SIZE_OS;
for (int i = 0; i < totalSamples; i++)
{
if (block_pos >= BLOCK_SIZE_OS)
{
osc->process_block(disp_pitch_rs);
block_pos = 0;
}
float val = 0.f;
val = osc->output[block_pos];
block_pos++;
if (i >= 4)
{
float xc = 1.f * (i - 4) / totalSamples;
float yc = val;
/*
* auto tf =
juce::AffineTransform().scaled(w * 0.61, h * -0.17).translated(x0, y0 + (0.5
* hw));
*/
xc = xc * w * 0.61 + x0;
yc = yc * h * (-0.17) + (y0 + 0.5 * hw);
oscPath.emplace_back(xc, yc);
}
}
osc->~Oscillator();
}
else
{
auto wtlockguard = std::lock_guard<std::mutex>(module->storage->waveTableDataMutex);
auto xp = box.size.x;
auto yp = box.size.y;
auto osc = setupOscillator();
const float ups = 3.0, invups = 1.0 / ups;
float disp_pitch_rs =
12.f * std::log2f((700.f * (storage->samplerate / 48000.f)) / 440.f) + 69.f;
osc->init(disp_pitch_rs, true, true);
int block_pos{BLOCK_SIZE_OS + 1};
for (int i = 0; i < xp * ups; ++i)
{
if (block_pos >= BLOCK_SIZE_OS)
{
osc->process_block(disp_pitch_rs);
block_pos = 0;
}
float yc = (-osc->output[block_pos] * 0.47 + 0.5) * yp;
oscPath.emplace_back(i * invups, yc);
block_pos++;
}
osc->~Oscillator();
}
}
const float xs3d{rack::mm2px(5)};
const float ys3d{rack::mm2px(3.5)};
const float xsedit{rack::mm2px(12)};
const float ysedit{ys3d};
void drawPlotBackground(NVGcontext *vg)
{
if (module && VCOConfig<oscType>::requiresWavetables() && module->draw3DWavetable &&
module->wavetableCount > 0)
{
draw3DBackground(vg);
}
else
{
draw2DBackground(vg);
}
if (showCustomEditorOpen)
{
nvgBeginPath(vg);
nvgRect(vg, box.size.x - xsedit, 0, xsedit, ysedit);
nvgFillColor(vg, style()->getColor(style::XTStyle::PLOT_CONTROL_VALUE_BG));
nvgFill(vg);
nvgBeginPath(vg);
nvgFillColor(vg, style()->getColor(style::XTStyle::PLOT_CONTROL_VALUE_FG));
nvgFontFaceId(vg, style()->fontIdBold(vg));
nvgFontSize(vg, layout::LayoutConstants::labelSize_pt * 96 / 72);
nvgTextAlign(vg, NVG_ALIGN_CENTER | NVG_ALIGN_MIDDLE);
nvgText(vg, box.size.x - xsedit * 0.5, ys3d * 0.5, "EDIT", nullptr);
}
if (module && VCOConfig<oscType>::requiresWavetables())
{
bool on = module->draw3DWavetable;
if (on)
{
nvgFillColor(vg, style()->getColor(style::XTStyle::PLOT_CONTROL_TEXT));
}
else
{
nvgFillColor(vg, style()->getColor(style::XTStyle::PLOT_MARKS));
}
nvgFontFaceId(vg, style()->fontIdBold(vg));
nvgFontSize(vg, layout::LayoutConstants::labelSize_pt * 96 / 72);
nvgTextAlign(vg, NVG_ALIGN_CENTER | NVG_ALIGN_MIDDLE);
nvgText(vg, xs3d * 0.5, ys3d * 0.5, "3D", nullptr);
if (isOneShot)
{
nvgBeginPath(vg);
nvgFontFaceId(vg, style()->fontIdBold(vg));
nvgFillColor(vg, style()->getColor(style::XTStyle::PLOT_CONTROL_TEXT));
nvgFontSize(vg, layout::LayoutConstants::labelSize_pt * 96 / 72);
nvgTextAlign(vg, NVG_ALIGN_RIGHT | NVG_ALIGN_MIDDLE);
nvgText(vg, box.size.x - rack::mm2px(0.5), ys3d * 0.5, "OneShot", nullptr);
}
}
}
bool editPressed{false};
void onButton(const ButtonEvent &e) override
{
if (!module)
return;
if (e.pos.x < xs3d && e.pos.y < ys3d && e.action == GLFW_RELEASE)
{
module->draw3DWavetable = !module->draw3DWavetable;
bdw->dirty = true;
bdwPlot->dirty = true;
recalcPath();
e.consume(this);
return;
}
if (showCustomEditorOpen && e.pos.x > box.size.x - xsedit && e.pos.y < ys3d)
{
// don't capture the release on dismiss to re-arm the edit basically
if (e.action == GLFW_PRESS)
{
editPressed = true;
}
if (e.action == GLFW_RELEASE && editPressed)
{
auto ce = VCOConfig<oscType>::createCustomEditorAt(box.pos, box.size, module,
[this](auto *w) {
// getParent()->removeChild(w);
deleteOnNextStep.insert(w);
show();
});
if (ce)
{
hide();
getParent()->addChild(ce);
auto p = getParent();
auto dp = dynamic_cast<VCOWidget<oscType> *>(p);
if (dp)
dp->childrenChanged();
}
editPressed = false;
e.consume(this);
return;
}
}
TransparentWidget::onButton(e);
}
void draw3DBackground(NVGcontext *vg)
{
if (!module)
return;
auto wtlockguard = std::lock_guard<std::mutex>(module->storage->waveTableDataMutex);
auto &wt = oscdata->wt;
auto pos = -1.f;
// OK so now go backwards through the tables but also tilt and raise for the 3D effect
auto smp = wt.size;
auto smpinv = 1.0 / smp;
auto w = box.size.x;
auto h = box.size.y;
// Now we have a sort of skew back and offset as we go. The skew is sort of a rotation
// and the depth is sort of how flattened it is. Finally the hCompress augments height.
auto skewPct = 0.4;
auto depthPct = 0.6;
auto hCompress = 0.55;
// calculate thinning factor for frame drawing
int thintbl = 1;
int nt = wt.n_tables;
while (nt > 16)
{
thintbl <<= 1;
nt >>= 1;
}
// calculate thinning factor for sample drawing
int thinsmp = 1;
int s = smp;
while (s > 128)
{
thinsmp <<= 1;
s >>= 1;
}
static constexpr float backingScale = 2.f;
auto wxf = w;
auto hxf = h;
// draw the wavetable frames
std::vector<int> ts;
for (int t = wt.n_tables - 1; t >= 0; t = t - thintbl)
{
ts.push_back(t);
}
if (ts.back() != 0)
{
ts.push_back(0);
}
for (auto t : ts)
{
auto tb = wt.TableF32WeakPointers[0][t];
float tpct = 1.0 * t / std::max((int)(wt.n_tables - 1), 1);
if (wt.n_tables == 1)
{
tpct = 0.f;
}
float x0 = tpct * skewPct * wxf;
float y0 = (1.0 - tpct) * depthPct * hxf;
auto lw = wxf * (1.0 - skewPct);
auto hw = hxf * depthPct * hCompress;
std::vector<std::pair<float, float>> p;
std::vector<std::pair<float, float>> ribbon;
p.emplace_back(x0, y0 + (-tb[0] + 1) * 0.5 * hw);
p.emplace_back(x0, y0 + (-tb[0] + 1) * 0.5 * hw);
for (int s = 1; s < smp; s = s + thinsmp)
{
auto x = x0 + s * smpinv * lw;
p.template emplace_back(x, y0 + (-tb[s] + 1) * 0.5 * hw);
ribbon.emplace_back(x, y0 + (-tb[s] + 1) * 0.5 * hw);
}
if (t > 0)
{
nt = std::max(t - thintbl, 0);
tpct = 1.0 * nt / (wt.n_tables - 1);
tb = wt.TableF32WeakPointers[0][nt];
x0 = tpct * skewPct * wxf;
y0 = (1.0 - tpct) * depthPct * hxf;
lw = w * (1.0 - skewPct);
for (int s = smp - 1; s >= 0; s = s - thinsmp)
{
auto x = x0 + s * smpinv * lw;
ribbon.template emplace_back(x, y0 + (-tb[s] + 1) * 0.5 * hw);
}
}
if (t > 0)
{
nvgBeginPath(vg);
bool first = true;
for (const auto &[x, y] : ribbon)
{
if (first)
nvgMoveTo(vg, x, y);
else
nvgLineTo(vg, x, y);
first = false;
}
auto pc = style()->getColor(style::XTStyle::PLOT_CURVE);
pc.a = 1.f * 0x20 / 0xFF;
nvgFillColor(vg, pc);
nvgFill(vg);
}
nvgBeginPath(vg);
bool first = true;
for (const auto &[x, y] : p)
{
if (first)
nvgMoveTo(vg, x, y);
else
nvgLineTo(vg, x, y);
first = false;
}
auto pc = style()->getColor(style::XTStyle::PLOT_CURVE);
pc.a = 1.f * 0x60 / 0xFF;