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Cardinal
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Cardinal/src/CardinalPlugin.cpp

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  1. /*

  2.  * DISTRHO Cardinal Plugin

  3.  * Copyright (C) 2021-2026 Filipe Coelho <falktx@falktx.com>

  4.  * SPDX-License-Identifier: GPL-3.0-or-later

  5.  */

  6. 

  7. #include <library.hpp>

  8. #include <midi.hpp>

  9. #include <patch.hpp>

  10. #include <plugin.hpp>

  11. #include <random.hpp>

  12. #include <settings.hpp>

  13. #include <system.hpp>

  14. 

  15. #include <app/Scene.hpp>

  16. #include <engine/Engine.hpp>

  17. #include <ui/common.hpp>

  18. #include <widget/Widget.hpp>

  19. #include <window/Window.hpp>

  20. 

  21. #ifdef NDEBUG

  22. # undef DEBUG

  23. #endif

  24. 

  25. #if defined(HAVE_LIBLO) && defined(HEADLESS)

  26. # include <lo/lo.h>

  27. # include "extra/Thread.hpp"

  28. #endif

  29. 

  30. #include <cfloat>

  31. #include <list>

  32. 

  33. #include "CardinalCommon.hpp"

  34. #include "DistrhoPluginUtils.hpp"

  35. #include "CardinalPluginContext.hpp"

  36. #include "extra/Base64.hpp"

  37. #include "extra/ScopedDenormalDisable.hpp"

  38. #include "extra/ScopedSafeLocale.hpp"

  39. 

  40. #ifdef DISTRHO_OS_WASM

  41. # include <emscripten/emscripten.h>

  42. #else

  43. # include "extra/SharedResourcePointer.hpp"

  44. #endif

  45. 

  46. #if CARDINAL_VARIANT_MINI || !defined(HEADLESS)

  47. # include "extra/ScopedValueSetter.hpp"

  48. #endif

  49. 

  50. extern const std::string CARDINAL_VERSION;

  51. 

  52. namespace rack {

  53. #if (CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS) || defined(HEADLESS)

  54. namespace app {

  55. rack::widget::Widget* createMenuBar() { return new rack::widget::Widget; }

  56. }

  57. #endif

  58. #ifdef DISTRHO_OS_WASM

  59. namespace asset {

  60. std::string patchesPath();

  61. }

  62. #endif

  63. namespace engine {

  64. void Engine_setAboutToClose(Engine*);

  65. }

  66. }

  67. 

  68. START_NAMESPACE_DISTRHO

  69. 

  70. template<typename T>

  71. static inline

  72. bool d_isDiffHigherThanLimit(const T& v1, const T& v2, const T& limit)

  73. {

  74.     return v1 != v2 ? (v1 > v2 ? v1 - v2 : v2 - v1) > limit : false;

  75. }

  76. 

  77. #if DISTRHO_PLUGIN_HAS_UI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  78. const char* UI::getBundlePath() const noexcept { return nullptr; }

  79. void UI::setState(const char*, const char*) {}

  80. #endif

  81. 

  82. // -----------------------------------------------------------------------------------------------------------

  83. 

  84. #ifdef DISTRHO_OS_WASM

  85. static char* getPatchFileEncodedInURL() {

  86.     return static_cast<char*>(EM_ASM_PTR({

  87.         var searchParams = new URLSearchParams(window.location.search);

  88.         var patch = searchParams.get('patch');

  89.         if (!patch)

  90.         return null;

  91.         var length = lengthBytesUTF8(patch) + 1;

  92.         var str = _malloc(length);

  93.         stringToUTF8(patch, str, length);

  94.         return str;

  95.     }));

  96. };

  97. 

  98. static char* getPatchRemoteURL() {

  99.     return static_cast<char*>(EM_ASM_PTR({

  100.         var searchParams = new URLSearchParams(window.location.search);

  101.         var patch = searchParams.get('patchurl');

  102.         if (!patch)

  103.         return null;

  104.         var length = lengthBytesUTF8(patch) + 1;

  105.         var str = _malloc(length);

  106.         stringToUTF8(patch, str, length);

  107.         return str;

  108.     }));

  109. };

  110. 

  111. static char* getPatchStorageSlug() {

  112.     return static_cast<char*>(EM_ASM_PTR({

  113.         var searchParams = new URLSearchParams(window.location.search);

  114.         var patch = searchParams.get('patchstorage');

  115.         if (!patch)

  116.         return null;

  117.         var length = lengthBytesUTF8(patch) + 1;

  118.         var str = _malloc(length);

  119.         stringToUTF8(patch, str, length);

  120.         return str;

  121.     }));

  122. };

  123. #endif

  124. 

  125. #if CARDINAL_VARIANT_MINI || !defined(HEADLESS)

  126. float RackKnobModeToFloat(const rack::settings::KnobMode knobMode) noexcept

  127. {

  128.     switch (knobMode)

  129.     {

  130.     case rack::settings::KNOB_MODE_LINEAR:

  131.         return 0.f;

  132.     case rack::settings::KNOB_MODE_ROTARY_ABSOLUTE:

  133.         return 1.f;

  134.     case rack::settings::KNOB_MODE_ROTARY_RELATIVE:

  135.         return 2.f;

  136.     // unused in Rack

  137.     case rack::settings::KNOB_MODE_SCALED_LINEAR:

  138.         break;

  139.     }

  140. 

  141.     return 0.f;

  142. }

  143. #endif

  144. 

  145. // -----------------------------------------------------------------------------------------------------------

  146. 

  147. struct ScopedContext {

  148.     ScopedContext(const CardinalBasePlugin* const plugin)

  149.     {

  150.         rack::contextSet(plugin->context);

  151.     }

  152. 

  153.     ~ScopedContext()

  154.     {

  155.         rack::contextSet(nullptr);

  156.     }

  157. };

  158. 

  159. // -----------------------------------------------------------------------------------------------------------

  160. 

  161. class CardinalPlugin : public CardinalBasePlugin

  162. {

  163.    #ifdef DISTRHO_OS_WASM

  164.     ScopedPointer<Initializer> fInitializer;

  165.    #else

  166.     SharedResourcePointer<Initializer> fInitializer;

  167.    #endif

  168. 

  169.    #if DISTRHO_PLUGIN_NUM_INPUTS != 0

  170.     /* If host audio ins == outs we can get issues for inplace processing.

  171.      * So allocate a float array that will serve as safe copy for those cases.

  172.      */

  173.     float** fAudioBufferCopy;

  174.    #endif

  175. 

  176.     std::string fAutosavePath;

  177.     uint64_t fNextExpectedFrame;

  178. 

  179.     struct {

  180.         String comment;

  181.         String screenshot;

  182.        #if CARDINAL_VARIANT_MINI || !defined(HEADLESS)

  183.         String windowSize;

  184.        #endif

  185.     } fState;

  186. 

  187.     // bypass handling

  188.     bool fWasBypassed;

  189.     MidiEvent bypassMidiEvents[16];

  190. 

  191.    #if CARDINAL_VARIANT_MINI || !defined(HEADLESS)

  192.     // real values, not VCV interpreted ones

  193.     float fWindowParameters[kWindowParameterCount];

  194.    #endif

  195.    #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  196.     float fMiniReportValues[kCardinalParameterCountAtMini - kCardinalParameterStartMini];

  197.    #endif

  198. 

  199.    #ifdef DISTRHO_PLUGIN_EXTRA_IO

  200.     uint16_t fNumActiveInputs = DISTRHO_PLUGIN_NUM_INPUTS;

  201.     uint16_t fNumActiveOutputs = DISTRHO_PLUGIN_NUM_OUTPUTS;

  202.    #else

  203.     static constexpr const uint16_t fNumActiveInputs = DISTRHO_PLUGIN_NUM_INPUTS;

  204.     static constexpr const uint16_t fNumActiveOutputs = DISTRHO_PLUGIN_NUM_OUTPUTS;

  205.    #endif

  206. 

  207. public:

  208.     CardinalPlugin()

  209.         : CardinalBasePlugin(kCardinalParameterCount, 0, kCardinalStateCount),

  210.          #ifdef DISTRHO_OS_WASM

  211.           fInitializer(new Initializer(this, static_cast<const CardinalBaseUI*>(nullptr))),

  212.          #else

  213.           fInitializer(this, static_cast<const CardinalBaseUI*>(nullptr)),

  214.          #endif

  215.          #if DISTRHO_PLUGIN_NUM_INPUTS != 0

  216.           fAudioBufferCopy(nullptr),

  217.          #endif

  218.           fNextExpectedFrame(0),

  219.           fWasBypassed(false)

  220.     {

  221.         // check if first time loading a real instance

  222.         if (!fInitializer->shouldSaveSettings && !isDummyInstance())

  223.             fInitializer->loadSettings(true);

  224. 

  225.        #if CARDINAL_VARIANT_MINI || !defined(HEADLESS)

  226.         fWindowParameters[kWindowParameterShowTooltips] = rack::settings::tooltips ? 1.f : 0.f;

  227.         fWindowParameters[kWindowParameterCableOpacity] = std::min(100.f, std::max(0.f, rack::settings::cableOpacity * 100));

  228.         fWindowParameters[kWindowParameterCableTension] = std::min(100.f, std::max(0.f, rack::settings::cableTension * 100));

  229.         fWindowParameters[kWindowParameterRackBrightness] = std::min(100.f, std::max(0.f, rack::settings::rackBrightness * 100));

  230.         fWindowParameters[kWindowParameterHaloBrightness] = std::min(100.f, std::max(0.f, rack::settings::haloBrightness * 100));

  231.         fWindowParameters[kWindowParameterKnobMode] = RackKnobModeToFloat(rack::settings::knobMode);

  232.         fWindowParameters[kWindowParameterWheelKnobControl] = rack::settings::knobScroll ? 1.f : 0.f;

  233.         fWindowParameters[kWindowParameterWheelSensitivity] = std::min(10.f, std::max(0.1f, rack::settings::knobScrollSensitivity * 1000));

  234.         fWindowParameters[kWindowParameterLockModulePositions] = rack::settings::lockModules ? 1.f : 0.f;

  235.         fWindowParameters[kWindowParameterBrowserSort] = std::min(rack::settings::BROWSER_SORT_RANDOM,

  236.                                                                   std::max(rack::settings::BROWSER_SORT_UPDATED,

  237.                                                                            rack::settings::browserSort));

  238.         fWindowParameters[kWindowParameterBrowserZoom] = std::min(200.f, std::max(25.f, std::pow(2.f, rack::settings::browserZoom) * 100.0f));

  239.         fWindowParameters[kWindowParameterInvertZoom] = rack::settings::invertZoom ? 1.f : 0.f;

  240.         fWindowParameters[kWindowParameterSqueezeModulePositions] = rack::settings::squeezeModules ? 1.f : 0.f;

  241.         // not saved

  242.         fWindowParameters[kWindowParameterUpdateRateLimit] = 0.0f;

  243.        #endif

  244.        #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  245.         std::memset(fMiniReportValues, 0, sizeof(fMiniReportValues));

  246.         fMiniReportValues[kCardinalParameterMiniTimeBar - kCardinalParameterStartMini] = 1;

  247.         fMiniReportValues[kCardinalParameterMiniTimeBeat - kCardinalParameterStartMini] = 1;

  248.         fMiniReportValues[kCardinalParameterMiniTimeBeatsPerBar - kCardinalParameterStartMini] = 4;

  249.         fMiniReportValues[kCardinalParameterMiniTimeBeatType - kCardinalParameterStartMini] = 4;

  250.         fMiniReportValues[kCardinalParameterMiniTimeBeatsPerMinute - kCardinalParameterStartMini] = 120;

  251.        #endif

  252. 

  253.         // create unique temporary path for this instance

  254.         try {

  255.             char uidBuf[24];

  256.             const std::string tmp = rack::system::getTempDirectory();

  257. 

  258.             for (int i=1;; ++i)

  259.             {

  260.                 std::snprintf(uidBuf, sizeof(uidBuf), "Cardinal.%04d", i);

  261.                 const std::string trypath = rack::system::join(tmp, uidBuf);

  262. 

  263.                 if (! rack::system::exists(trypath))

  264.                 {

  265.                     if (rack::system::createDirectories(trypath))

  266.                         fAutosavePath = trypath;

  267.                     break;

  268.                 }

  269.             }

  270.         } DISTRHO_SAFE_EXCEPTION("create unique temporary path");

  271. 

  272.         // initialize midi events used when entering bypassed state

  273.         std::memset(bypassMidiEvents, 0, sizeof(bypassMidiEvents));

  274. 

  275.         for (uint8_t i=0; i<16; ++i)

  276.         {

  277.             bypassMidiEvents[i].size = 3;

  278.             bypassMidiEvents[i].data[0] = 0xB0 + i;

  279.             bypassMidiEvents[i].data[1] = 0x7B;

  280.         }

  281. 

  282.         const float sampleRate = getSampleRate();

  283.         rack::settings::sampleRate = sampleRate;

  284. 

  285.         context->bufferSize = getBufferSize();

  286.         context->sampleRate = sampleRate;

  287. 

  288.         const ScopedContext sc(this);

  289. 

  290.         context->engine = new rack::engine::Engine;

  291.         context->engine->setSampleRate(sampleRate);

  292. 

  293.         context->history = new rack::history::State;

  294.         context->patch = new rack::patch::Manager;

  295.         context->patch->autosavePath = fAutosavePath;

  296.         context->patch->templatePath = fInitializer->templatePath;

  297.         context->patch->factoryTemplatePath = fInitializer->factoryTemplatePath;

  298. 

  299.         context->event = new rack::widget::EventState;

  300.         context->scene = new rack::app::Scene;

  301.         context->event->rootWidget = context->scene;

  302. 

  303.         if (! isDummyInstance())

  304.             context->window = new rack::window::Window;

  305. 

  306.        #ifdef DISTRHO_OS_WASM

  307.         if ((rack::patchStorageSlug = getPatchStorageSlug()) == nullptr &&

  308.             (rack::patchRemoteURL = getPatchRemoteURL()) == nullptr &&

  309.             (rack::patchFromURL = getPatchFileEncodedInURL()) == nullptr)

  310.        #endif

  311.         {

  312.             context->patch->loadTemplate();

  313.             context->scene->rackScroll->reset();

  314.         }

  315. 

  316.        #ifdef CARDINAL_INIT_OSC_THREAD

  317.         fInitializer->remotePluginInstance = this;

  318.        #endif

  319.     }

  320. 

  321.     ~CardinalPlugin() override

  322.     {

  323.        #ifdef HAVE_LIBLO

  324.         if (fInitializer->remotePluginInstance == this)

  325.             fInitializer->remotePluginInstance = nullptr;

  326.        #endif

  327. 

  328.         {

  329.             const ScopedContext sc(this);

  330.             context->patch->clear();

  331. 

  332.             // do a little dance to prevent context scene deletion from saving to temp dir

  333.            #if CARDINAL_VARIANT_MINI || !defined(HEADLESS)

  334.             const ScopedValueSetter<bool> svs(rack::settings::headless, true);

  335.            #endif

  336.             Engine_setAboutToClose(context->engine);

  337.             delete[] context->parameters;

  338.             delete context;

  339. 

  340.             rack::contextSet(nullptr);

  341.         }

  342. 

  343.         if (! fAutosavePath.empty())

  344.             rack::system::removeRecursively(fAutosavePath);

  345.     }

  346. 

  347.     CardinalPluginContext* getRackContext() const noexcept

  348.     {

  349.         return context;

  350.     }

  351. 

  352.    #ifdef HAVE_LIBLO

  353.     bool startRemoteServer(const char* const port) override

  354.     {

  355.         if (fInitializer->remotePluginInstance != nullptr)

  356.             return false;

  357.         

  358.         if (fInitializer->startRemoteServer(port))

  359.         {

  360.             fInitializer->remotePluginInstance = this;

  361.             return true;

  362.         }

  363. 

  364.         return false;

  365.     }

  366. 

  367.     void stopRemoteServer() override

  368.     {

  369.         DISTRHO_SAFE_ASSERT_RETURN(fInitializer->remotePluginInstance == this,);

  370. 

  371.         fInitializer->remotePluginInstance = nullptr;

  372.         fInitializer->stopRemoteServer();

  373.     }

  374.     

  375.     void stepRemoteServer() override

  376.     {

  377.         DISTRHO_SAFE_ASSERT_RETURN(fInitializer->remotePluginInstance == this,);

  378. 

  379.         fInitializer->stepRemoteServer();

  380.     }

  381.    #endif

  382. 

  383. protected:

  384.    /* --------------------------------------------------------------------------------------------------------

  385.     * Information */

  386. 

  387.     const char* getLabel() const override

  388.     {

  389.         return DISTRHO_PLUGIN_LABEL;

  390.     }

  391. 

  392.     const char* getDescription() const override

  393.     {

  394.         return ""

  395.         "Cardinal is a free and open-source virtual modular synthesizer plugin.\n"

  396.         "It is based on the popular VCV Rack but with a focus on being a fully self-contained plugin version.\n"

  397.         "It is not an official VCV project, and it is not affiliated with it in any way.\n"

  398.         "\n"

  399.         "Cardinal contains Rack, some 3rd-party modules and a few internal utilities.\n"

  400.         "It does not load external modules and does not connect to the official Rack library/store.\n";

  401.     }

  402. 

  403.     const char* getMaker() const override

  404.     {

  405.         return "DISTRHO";

  406.     }

  407. 

  408.     const char* getHomePage() const override

  409.     {

  410.         return "https://github.com/DISTRHO/Cardinal";

  411.     }

  412. 

  413.     const char* getLicense() const override

  414.     {

  415.         return "GPLv3+";

  416.     }

  417. 

  418.     uint32_t getVersion() const override

  419.     {

  420.         return d_version(0, 26, 2);

  421.     }

  422. 

  423.     int64_t getUniqueId() const override

  424.     {

  425.        #if CARDINAL_VARIANT_MAIN || CARDINAL_VARIANT_NATIVE

  426.         return d_cconst('d', 'C', 'd', 'n');

  427.        #elif CARDINAL_VARIANT_MINI

  428.         return d_cconst('d', 'C', 'd', 'M');

  429.        #elif CARDINAL_VARIANT_FX

  430.         return d_cconst('d', 'C', 'n', 'F');

  431.        #elif CARDINAL_VARIANT_SYNTH

  432.         return d_cconst('d', 'C', 'n', 'S');

  433.        #else

  434.         #error cardinal variant not set

  435.        #endif

  436.     }

  437. 

  438.    /* --------------------------------------------------------------------------------------------------------

  439.     * Init */

  440. 

  441.     void initAudioPort(const bool input, uint32_t index, AudioPort& port) override

  442.     {

  443.        #if CARDINAL_VARIANT_MAIN || CARDINAL_VARIANT_MINI

  444.         static_assert(CARDINAL_NUM_AUDIO_INPUTS == CARDINAL_NUM_AUDIO_OUTPUTS, "inputs == outputs");

  445. 

  446.         if (index < CARDINAL_NUM_AUDIO_INPUTS)

  447.         {

  448.            #if CARDINAL_VARIANT_MINI

  449.             port.groupId = kPortGroupStereo;

  450.            #else

  451.             port.groupId = index / 2;

  452.            #endif

  453.         }

  454.         else

  455.         {

  456.             port.hints = kAudioPortIsCV | kCVPortHasPositiveUnipolarRange | kCVPortHasScaledRange | kCVPortIsOptional;

  457.             index -= CARDINAL_NUM_AUDIO_INPUTS;

  458.         }

  459.        #elif CARDINAL_VARIANT_NATIVE || CARDINAL_VARIANT_FX || CARDINAL_VARIANT_SYNTH

  460.         if (index < 2)

  461.             port.groupId = kPortGroupStereo;

  462.        #endif

  463. 

  464.         CardinalBasePlugin::initAudioPort(input, index, port);

  465.     }

  466. 

  467.    #if CARDINAL_VARIANT_MAIN

  468.     void initPortGroup(const uint32_t index, PortGroup& portGroup) override

  469.     {

  470.         switch (index)

  471.         {

  472.         case 0:

  473.             portGroup.name = "Audio 1+2";

  474.             portGroup.symbol = "audio_1_and_2";

  475.             break;

  476.         case 1:

  477.             portGroup.name = "Audio 3+4";

  478.             portGroup.symbol = "audio_3_and_4";

  479.             break;

  480.         case 2:

  481.             portGroup.name = "Audio 5+6";

  482.             portGroup.symbol = "audio_5_and_6";

  483.             break;

  484.         case 3:

  485.             portGroup.name = "Audio 7+8";

  486.             portGroup.symbol = "audio_7_and_8";

  487.             break;

  488.         }

  489.     }

  490.    #endif

  491. 

  492.     void initParameter(const uint32_t index, Parameter& parameter) override

  493.     {

  494.         if (index < kCardinalParameterCountAtModules)

  495.         {

  496.             parameter.name = "Parameter ";

  497.             parameter.name += String(index + 1);

  498.             parameter.symbol = "param_";

  499.             parameter.symbol += String(index + 1);

  500.             parameter.unit = "v";

  501.             parameter.hints = kParameterIsAutomatable;

  502.             parameter.ranges.def = 0.0f;

  503.             parameter.ranges.min = 0.0f;

  504.             parameter.ranges.max = 10.0f;

  505.             return;

  506.         }

  507. 

  508.         if (index == kCardinalParameterBypass)

  509.         {

  510.             parameter.initDesignation(kParameterDesignationBypass);

  511.             return;

  512.         }

  513. 

  514.        #if CARDINAL_VARIANT_MINI || !defined(HEADLESS)

  515.         if (index < kCardinalParameterCountAtWindow)

  516.         {

  517.             switch (index - kCardinalParameterStartWindow)

  518.             {

  519.             case kWindowParameterShowTooltips:

  520.                 parameter.name = "Show tooltips";

  521.                 parameter.symbol = "tooltips";

  522.                 parameter.hints = kParameterIsAutomatable|kParameterIsInteger|kParameterIsBoolean;

  523.                #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  524.                 parameter.hints |= kParameterIsHidden;

  525.                #endif

  526.                 parameter.ranges.def = rack::settings::tooltips ? 1.f : 0.f;

  527.                 parameter.ranges.min = 0.0f;

  528.                 parameter.ranges.max = 1.0f;

  529.                 break;

  530.             case kWindowParameterCableOpacity:

  531.                 parameter.name = "Cable opacity";

  532.                 parameter.symbol = "cableOpacity";

  533.                 parameter.unit = "%";

  534.                 parameter.hints = kParameterIsAutomatable;

  535.                #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  536.                 parameter.hints |= kParameterIsHidden;

  537.                #endif

  538.                 parameter.ranges.def = std::min(100.f, std::max(0.f, rack::settings::cableOpacity * 100));

  539.                 parameter.ranges.min = 0.0f;

  540.                 parameter.ranges.max = 100.0f;

  541.                 break;

  542.             case kWindowParameterCableTension:

  543.                 parameter.name = "Cable tension";

  544.                 parameter.symbol = "cableTension";

  545.                 parameter.unit = "%";

  546.                 parameter.hints = kParameterIsAutomatable;

  547.                #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  548.                 parameter.hints |= kParameterIsHidden;

  549.                #endif

  550.                 parameter.ranges.def = std::min(100.f, std::max(0.f, rack::settings::cableTension * 100));

  551.                 parameter.ranges.min = 0.0f;

  552.                 parameter.ranges.max = 100.0f;

  553.                 break;

  554.             case kWindowParameterRackBrightness:

  555.                 parameter.name = "Room brightness";

  556.                 parameter.symbol = "rackBrightness";

  557.                 parameter.unit = "%";

  558.                 parameter.hints = kParameterIsAutomatable;

  559.                #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  560.                 parameter.hints |= kParameterIsHidden;

  561.                #endif

  562.                 parameter.ranges.def = std::min(100.f, std::max(0.f, rack::settings::rackBrightness * 100));

  563.                 parameter.ranges.min = 0.0f;

  564.                 parameter.ranges.max = 100.0f;

  565.                 break;

  566.             case kWindowParameterHaloBrightness:

  567.                 parameter.name = "Light Bloom";

  568.                 parameter.symbol = "haloBrightness";

  569.                 parameter.unit = "%";

  570.                 parameter.hints = kParameterIsAutomatable;

  571.                #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  572.                 parameter.hints |= kParameterIsHidden;

  573.                #endif

  574.                 parameter.ranges.def = std::min(100.f, std::max(0.f, rack::settings::haloBrightness * 100));

  575.                 parameter.ranges.min = 0.0f;

  576.                 parameter.ranges.max = 100.0f;

  577.                 break;

  578.             case kWindowParameterKnobMode:

  579.                 parameter.name = "Knob mode";

  580.                 parameter.symbol = "knobMode";

  581.                 parameter.hints = kParameterIsAutomatable|kParameterIsInteger;

  582.                #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  583.                 parameter.hints |= kParameterIsHidden;

  584.                #endif

  585.                 parameter.ranges.def = RackKnobModeToFloat(rack::settings::knobMode);

  586.                 parameter.ranges.min = 0.0f;

  587.                 parameter.ranges.max = 2.0f;

  588.                 parameter.enumValues.count = 3;

  589.                 parameter.enumValues.restrictedMode = true;

  590.                 parameter.enumValues.values = new ParameterEnumerationValue[3];

  591.                 parameter.enumValues.values[0].label = "Linear";

  592.                 parameter.enumValues.values[0].value = 0.0f;

  593.                 parameter.enumValues.values[1].label = "Absolute rotary";

  594.                 parameter.enumValues.values[1].value = 1.0f;

  595.                 parameter.enumValues.values[2].label = "Relative rotary";

  596.                 parameter.enumValues.values[2].value = 2.0f;

  597.                 break;

  598.             case kWindowParameterWheelKnobControl:

  599.                 parameter.name = "Scroll wheel knob control";

  600.                 parameter.symbol = "knobScroll";

  601.                 parameter.hints = kParameterIsAutomatable|kParameterIsInteger|kParameterIsBoolean;

  602.                #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  603.                 parameter.hints |= kParameterIsHidden;

  604.                #endif

  605.                 parameter.ranges.def = rack::settings::knobScroll ? 1.f : 0.f;

  606.                 parameter.ranges.min = 0.0f;

  607.                 parameter.ranges.max = 1.0f;

  608.                 break;

  609.             case kWindowParameterWheelSensitivity:

  610.                 parameter.name = "Scroll wheel knob sensitivity";

  611.                 parameter.symbol = "knobScrollSensitivity";

  612.                 parameter.hints = kParameterIsAutomatable|kParameterIsLogarithmic;

  613.                #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  614.                 parameter.hints |= kParameterIsHidden;

  615.                #endif

  616.                 parameter.ranges.def = std::min(10.f, std::max(0.1f, rack::settings::knobScrollSensitivity * 1000));

  617.                 parameter.ranges.min = 0.1f;

  618.                 parameter.ranges.max = 10.0f;

  619.                 break;

  620.             case kWindowParameterLockModulePositions:

  621.                 parameter.name = "Lock module positions";

  622.                 parameter.symbol = "lockModules";

  623.                 parameter.hints = kParameterIsAutomatable|kParameterIsInteger|kParameterIsBoolean;

  624.                #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  625.                 parameter.hints |= kParameterIsHidden;

  626.                #endif

  627.                 parameter.ranges.def = rack::settings::lockModules ? 1.f : 0.f;

  628.                 parameter.ranges.min = 0.0f;

  629.                 parameter.ranges.max = 1.0f;

  630.                 break;

  631.             case kWindowParameterUpdateRateLimit:

  632.                 parameter.name = "Update rate limit";

  633.                 parameter.symbol = "rateLimit";

  634.                 parameter.hints = kParameterIsAutomatable|kParameterIsInteger;

  635.                #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  636.                 parameter.hints |= kParameterIsHidden;

  637.                #endif

  638.                 parameter.ranges.def = 0.0f;

  639.                 parameter.ranges.min = 0.0f;

  640.                 parameter.ranges.max = 2.0f;

  641.                 parameter.enumValues.count = 3;

  642.                 parameter.enumValues.restrictedMode = true;

  643.                 parameter.enumValues.values = new ParameterEnumerationValue[3];

  644.                 parameter.enumValues.values[0].label = "None";

  645.                 parameter.enumValues.values[0].value = 0.0f;

  646.                 parameter.enumValues.values[1].label = "2x";

  647.                 parameter.enumValues.values[1].value = 1.0f;

  648.                 parameter.enumValues.values[2].label = "4x";

  649.                 parameter.enumValues.values[2].value = 2.0f;

  650.                 break;

  651.             case kWindowParameterBrowserSort:

  652.                 parameter.name = "Browser sort";

  653.                 parameter.symbol = "browserSort";

  654.                 parameter.hints = kParameterIsAutomatable|kParameterIsInteger;

  655.                #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  656.                 parameter.hints |= kParameterIsHidden;

  657.                #endif

  658.                 parameter.ranges.def = std::min(rack::settings::BROWSER_SORT_RANDOM,

  659.                                                 std::max(rack::settings::BROWSER_SORT_UPDATED,

  660.                                                          rack::settings::browserSort));

  661.                 parameter.ranges.min = rack::settings::BROWSER_SORT_UPDATED;

  662.                 parameter.ranges.max = rack::settings::BROWSER_SORT_RANDOM;

  663.                 parameter.enumValues.count = 6;

  664.                 parameter.enumValues.restrictedMode = true;

  665.                 parameter.enumValues.values = new ParameterEnumerationValue[6];

  666.                 parameter.enumValues.values[0].label = "Updated";

  667.                 parameter.enumValues.values[0].value = rack::settings::BROWSER_SORT_UPDATED;

  668.                 parameter.enumValues.values[1].label = "Last used";

  669.                 parameter.enumValues.values[1].value = rack::settings::BROWSER_SORT_LAST_USED;

  670.                 parameter.enumValues.values[2].label = "Most used";

  671.                 parameter.enumValues.values[2].value = rack::settings::BROWSER_SORT_MOST_USED;

  672.                 parameter.enumValues.values[3].label = "Brand";

  673.                 parameter.enumValues.values[3].value = rack::settings::BROWSER_SORT_BRAND;

  674.                 parameter.enumValues.values[4].label = "Name";

  675.                 parameter.enumValues.values[4].value = rack::settings::BROWSER_SORT_NAME;

  676.                 parameter.enumValues.values[5].label = "Random";

  677.                 parameter.enumValues.values[5].value = rack::settings::BROWSER_SORT_RANDOM;

  678.                 break;

  679.             case kWindowParameterBrowserZoom:

  680.                 parameter.name = "Browser zoom";

  681.                 parameter.symbol = "browserZoom";

  682.                 parameter.hints = kParameterIsAutomatable;

  683.                #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  684.                 parameter.hints |= kParameterIsHidden;

  685.                #endif

  686.                 parameter.unit = "%";

  687.                 parameter.ranges.def = std::min(200.f, std::max(25.f, std::pow(2.f, rack::settings::browserZoom) * 100.0f));

  688.                 parameter.ranges.min = 25.0f;

  689.                 parameter.ranges.max = 200.0f;

  690.                 parameter.enumValues.count = 7;

  691.                 parameter.enumValues.restrictedMode = true;

  692.                 parameter.enumValues.values = new ParameterEnumerationValue[7];

  693.                 parameter.enumValues.values[0].label = "25";

  694.                 parameter.enumValues.values[0].value = 25.0f;

  695.                 parameter.enumValues.values[1].label = "35";

  696.                 parameter.enumValues.values[1].value = 35.0f;

  697.                 parameter.enumValues.values[2].label = "50";

  698.                 parameter.enumValues.values[2].value = 50.0f;

  699.                 parameter.enumValues.values[3].label = "71";

  700.                 parameter.enumValues.values[3].value = 71.0f;

  701.                 parameter.enumValues.values[4].label = "100";

  702.                 parameter.enumValues.values[4].value = 100.0f;

  703.                 parameter.enumValues.values[5].label = "141";

  704.                 parameter.enumValues.values[5].value = 141.0f;

  705.                 parameter.enumValues.values[6].label = "200";

  706.                 parameter.enumValues.values[6].value = 200.0f;

  707.                 break;

  708.             case kWindowParameterInvertZoom:

  709.                 parameter.name = "Invert zoom";

  710.                 parameter.symbol = "invertZoom";

  711.                 parameter.hints = kParameterIsAutomatable|kParameterIsInteger|kParameterIsBoolean;

  712.                #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  713.                 parameter.hints |= kParameterIsHidden;

  714.                #endif

  715.                 parameter.ranges.def = rack::settings::invertZoom ? 1.f : 0.f;

  716.                 parameter.ranges.min = 0.0f;

  717.                 parameter.ranges.max = 1.0f;

  718.                 break;

  719.             case kWindowParameterSqueezeModulePositions:

  720.                 parameter.name = "Auto-squeeze module positions";

  721.                 parameter.symbol = "squeezeModules";

  722.                 parameter.hints = kParameterIsAutomatable|kParameterIsInteger|kParameterIsBoolean;

  723.                #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  724.                 parameter.hints |= kParameterIsHidden;

  725.                #endif

  726.                 parameter.ranges.def = rack::settings::squeezeModules ? 1.f : 0.f;

  727.                 parameter.ranges.min = 0.0f;

  728.                 parameter.ranges.max = 1.0f;

  729.                 break;

  730.             }

  731.         }

  732.        #endif

  733. 

  734.        #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  735.         switch (index)

  736.         {

  737.         case kCardinalParameterMiniAudioIn1:

  738.             parameter.name = "Report Audio Input 1";

  739.             parameter.symbol = "r_audio_in_1";

  740.             parameter.hints = kParameterIsAutomatable|kParameterIsOutput;

  741.             parameter.ranges.def = 0.0f;

  742.             parameter.ranges.min = 0.0f;

  743.             parameter.ranges.max = 1.0f;

  744.             break;

  745.         case kCardinalParameterMiniAudioIn2:

  746.             parameter.name = "Report Audio Input 2";

  747.             parameter.symbol = "r_audio_in_2";

  748.             parameter.hints = kParameterIsAutomatable|kParameterIsOutput;

  749.             parameter.ranges.def = 0.0f;

  750.             parameter.ranges.min = 0.0f;

  751.             parameter.ranges.max = 1.0f;

  752.             break;

  753.         case kCardinalParameterMiniCVIn1:

  754.             parameter.name = "Report CV Input 1";

  755.             parameter.symbol = "r_cv_in_1";

  756.             parameter.hints = kParameterIsAutomatable|kParameterIsOutput;

  757.             parameter.ranges.def = -10.0f;

  758.             parameter.ranges.min = 0.0f;

  759.             parameter.ranges.max = 10.0f;

  760.             break;

  761.         case kCardinalParameterMiniCVIn2:

  762.             parameter.name = "Report CV Input 2";

  763.             parameter.symbol = "r_cv_in_2";

  764.             parameter.hints = kParameterIsAutomatable|kParameterIsOutput;

  765.             parameter.ranges.def = -10.0f;

  766.             parameter.ranges.min = 0.0f;

  767.             parameter.ranges.max = 10.0f;

  768.             break;

  769.         case kCardinalParameterMiniCVIn3:

  770.             parameter.name = "Report CV Input 3";

  771.             parameter.symbol = "r_cv_in_3";

  772.             parameter.hints = kParameterIsAutomatable|kParameterIsOutput;

  773.             parameter.ranges.def = -10.0f;

  774.             parameter.ranges.min = 0.0f;

  775.             parameter.ranges.max = 10.0f;

  776.             break;

  777.         case kCardinalParameterMiniCVIn4:

  778.             parameter.name = "Report CV Input 4";

  779.             parameter.symbol = "r_cv_in_4";

  780.             parameter.hints = kParameterIsAutomatable|kParameterIsOutput;

  781.             parameter.ranges.def = -10.0f;

  782.             parameter.ranges.min = 0.0f;

  783.             parameter.ranges.max = 10.0f;

  784.             break;

  785.         case kCardinalParameterMiniCVIn5:

  786.             parameter.name = "Report CV Input 5";

  787.             parameter.symbol = "r_cv_in_5";

  788.             parameter.hints = kParameterIsAutomatable|kParameterIsOutput;

  789.             parameter.ranges.def = -10.0f;

  790.             parameter.ranges.min = 0.0f;

  791.             parameter.ranges.max = 10.0f;

  792.             break;

  793.         case kCardinalParameterMiniTimeFlags:

  794.             parameter.name = "Report Time Flags";

  795.             parameter.symbol = "r_time_flags";

  796.             parameter.hints = kParameterIsAutomatable|kParameterIsOutput;

  797.             parameter.ranges.def = 0x0;

  798.             parameter.ranges.min = 0x0;

  799.             parameter.ranges.max = 0x7;

  800.             break;

  801.         case kCardinalParameterMiniTimeBar:

  802.             parameter.name = "Report Time Bar";

  803.             parameter.symbol = "r_time_bar";

  804.             parameter.hints = kParameterIsAutomatable|kParameterIsOutput;

  805.             parameter.ranges.def = 1.0f;

  806.             parameter.ranges.min = 1.0f;

  807.             parameter.ranges.max = FLT_MAX;

  808.             break;

  809.         case kCardinalParameterMiniTimeBeat:

  810.             parameter.name = "Report Time Beat";

  811.             parameter.symbol = "r_time_beat";

  812.             parameter.hints = kParameterIsAutomatable|kParameterIsOutput;

  813.             parameter.ranges.def = 1.0f;

  814.             parameter.ranges.min = 1.0f;

  815.             parameter.ranges.max = 128.0f;

  816.             break;

  817.         case kCardinalParameterMiniTimeBeatsPerBar:

  818.             parameter.name = "Report Time Beats Per Bar";

  819.             parameter.symbol = "r_time_beatsPerBar";

  820.             parameter.hints = kParameterIsAutomatable|kParameterIsOutput;

  821.             parameter.ranges.def = 4.0f;

  822.             parameter.ranges.min = 0.0f;

  823.             parameter.ranges.max = 128.0f;

  824.             break;

  825.         case kCardinalParameterMiniTimeBeatType:

  826.             parameter.name = "Report Time Beat Type";

  827.             parameter.symbol = "r_time_beatType";

  828.             parameter.hints = kParameterIsAutomatable|kParameterIsOutput;

  829.             parameter.ranges.def = 4.0f;

  830.             parameter.ranges.min = 0.0f;

  831.             parameter.ranges.max = 128.0f;

  832.             break;

  833.         case kCardinalParameterMiniTimeFrame:

  834.             parameter.name = "Report Time Frame";

  835.             parameter.symbol = "r_time_frame";

  836.             parameter.hints = kParameterIsAutomatable|kParameterIsOutput;

  837.             parameter.ranges.def = 0.0f;

  838.             parameter.ranges.min = 0.0f;

  839.             parameter.ranges.max = FLT_MAX;

  840.             break;

  841.         case kCardinalParameterMiniTimeBarStartTick:

  842.             parameter.name = "Report Time BarStartTick";

  843.             parameter.symbol = "r_time_barStartTick";

  844.             parameter.hints = kParameterIsAutomatable|kParameterIsOutput;

  845.             parameter.ranges.def = 0.0f;

  846.             parameter.ranges.min = 0.0f;

  847.             parameter.ranges.max = FLT_MAX;

  848.             break;

  849.         case kCardinalParameterMiniTimeBeatsPerMinute:

  850.             parameter.name = "Report Time Beats Per Minute";

  851.             parameter.symbol = "r_time_bpm";

  852.             parameter.hints = kParameterIsAutomatable|kParameterIsOutput;

  853.             parameter.ranges.def = 20.0f;

  854.             parameter.ranges.min = 120.0f;

  855.             parameter.ranges.max = 999.0f;

  856.             break;

  857.         case kCardinalParameterMiniTimeTick:

  858.             parameter.name = "Report Time Tick";

  859.             parameter.symbol = "r_time_tick";

  860.             parameter.hints = kParameterIsAutomatable|kParameterIsOutput;

  861.             parameter.ranges.def = 0.0f;

  862.             parameter.ranges.min = 0.0f;

  863.             parameter.ranges.max = 8192.0f;

  864.             break;

  865.         case kCardinalParameterMiniTimeTicksPerBeat:

  866.             parameter.name = "Report Time Ticks Per Beat";

  867.             parameter.symbol = "r_time_ticksPerBeat";

  868.             parameter.hints = kParameterIsAutomatable|kParameterIsOutput;

  869.             parameter.ranges.def = 0.0f;

  870.             parameter.ranges.min = 0.0f;

  871.             parameter.ranges.max = 8192.0f;

  872.             break;

  873.         }

  874.        #endif

  875.     }

  876. 

  877.     void initState(const uint32_t index, State& state) override

  878.     {

  879.         switch (index)

  880.         {

  881.         case kCardinalStatePatch:

  882.            #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  883.             state.hints = kStateIsHostReadable;

  884.            #else

  885.             state.hints = kStateIsOnlyForDSP | kStateIsBase64Blob;

  886.            #endif

  887.             if (FILE* const f = std::fopen(context->patch->factoryTemplatePath.c_str(), "r"))

  888.             {

  889.                 std::fseek(f, 0, SEEK_END);

  890.                 if (const long fileSize = std::ftell(f))

  891.                 {

  892.                     std::fseek(f, 0, SEEK_SET);

  893.                     char* const fileContent = new char[fileSize+1];

  894. 

  895.                     if (std::fread(fileContent, fileSize, 1, f) == 1)

  896.                     {

  897.                         fileContent[fileSize] = '\0';

  898.                        #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  899.                         state.defaultValue = fileContent;

  900.                        #else

  901.                         state.defaultValue = String::asBase64(fileContent, fileSize);

  902.                        #endif

  903.                     }

  904. 

  905.                     delete[] fileContent;

  906.                 }

  907.                 std::fclose(f);

  908.             }

  909.             state.key = "patch";

  910.             state.label = "Patch";

  911.             break;

  912.         case kCardinalStateScreenshot:

  913.             state.hints = kStateIsHostReadable | kStateIsBase64Blob;

  914.             state.key = "screenshot";

  915.             state.label = "Screenshot";

  916.             break;

  917.         case kCardinalStateComment:

  918.             state.hints = kStateIsHostWritable;

  919.             state.key = "comment";

  920.             state.label = "Comment";

  921.             break;

  922.        #if CARDINAL_VARIANT_MINI || !defined(HEADLESS)

  923.         case kCardinalStateWindowSize:

  924.             state.hints = kStateIsOnlyForUI;

  925.             // state.defaultValue = String("%d:%d", DISTRHO_UI_DEFAULT_WIDTH, DISTRHO_UI_DEFAULT_HEIGHT);

  926.             state.key = "windowSize";

  927.             state.label = "Window size";

  928.             break;

  929.        #endif

  930.        #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  931.         case kCardinalStateParamChange:

  932.             state.hints = kStateIsHostReadable | kStateIsOnlyForDSP;

  933.             state.key = "param";

  934.             state.label = "ParamChange";

  935.             break;

  936.        #endif

  937.         }

  938.     }

  939. 

  940.    /* --------------------------------------------------------------------------------------------------------

  941.     * Internal data */

  942. 

  943.     float getParameterValue(uint32_t index) const override

  944.     {

  945.         // host mapped parameters

  946.         if (index < kCardinalParameterCountAtModules)

  947.             return context->parameters[index];

  948. 

  949.         // bypass

  950.         if (index == kCardinalParameterBypass)

  951.             return context->bypassed ? 1.0f : 0.0f;

  952. 

  953.        #if CARDINAL_VARIANT_MINI || !defined(HEADLESS)

  954.         if (index < kCardinalParameterCountAtWindow)

  955.             return fWindowParameters[index - kCardinalParameterStartWindow];

  956.        #endif

  957. 

  958.        #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  959.         if (index < kCardinalParameterCountAtMini)

  960.             return fMiniReportValues[index - kCardinalParameterStartMini];

  961.        #endif

  962. 

  963.         return 0.0f;

  964.     }

  965. 

  966.     void setParameterValue(uint32_t index, float value) override

  967.     {

  968.         // host mapped parameters

  969.         if (index < kCardinalParameterCountAtModules)

  970.         {

  971.             context->parameters[index] = value;

  972.             return;

  973.         }

  974. 

  975.         // bypass

  976.         if (index == kCardinalParameterBypass)

  977.         {

  978.             context->bypassed = value > 0.5f;

  979.             return;

  980.         }

  981. 

  982.        #if CARDINAL_VARIANT_MINI || !defined(HEADLESS)

  983.         if (index < kCardinalParameterCountAtWindow)

  984.         {

  985.             fWindowParameters[index - kCardinalParameterStartWindow] = value;

  986.             return;

  987.         }

  988.        #endif

  989.     }

  990. 

  991.     String getState(const char* const key) const override

  992.     {

  993.        #if CARDINAL_VARIANT_MINI || !defined(HEADLESS)

  994.         if (std::strcmp(key, "windowSize") == 0)

  995.             return fState.windowSize;

  996.        #endif

  997. 

  998.         if (std::strcmp(key, "comment") == 0)

  999.             return fState.comment;

  1000.         if (std::strcmp(key, "screenshot") == 0)

  1001.             return fState.screenshot;

  1002. 

  1003.         if (std::strcmp(key, "patch") != 0)

  1004.             return String();

  1005.         if (fAutosavePath.empty())

  1006.             return String();

  1007. 

  1008.         std::vector<uint8_t> data;

  1009. 

  1010.         {

  1011.             const ScopedContext sc(this);

  1012. 

  1013.             context->engine->prepareSave();

  1014.             context->patch->saveAutosave();

  1015.             context->patch->cleanAutosave();

  1016.             // context->history->setSaved();

  1017. 

  1018.            #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  1019.             FILE* const f = std::fopen(rack::system::join(context->patch->autosavePath, "patch.json").c_str(), "r");

  1020.             DISTRHO_SAFE_ASSERT_RETURN(f != nullptr, String());

  1021. 

  1022.             DEFER({

  1023.                 std::fclose(f);

  1024.             });

  1025. 

  1026.             std::fseek(f, 0, SEEK_END);

  1027.             const long fileSize = std::ftell(f);

  1028.             DISTRHO_SAFE_ASSERT_RETURN(fileSize > 0, String());

  1029. 

  1030.             std::fseek(f, 0, SEEK_SET);

  1031.             char* const fileContent = static_cast<char*>(std::malloc(fileSize+1));

  1032. 

  1033.             DISTRHO_SAFE_ASSERT_RETURN(std::fread(fileContent, fileSize, 1, f) == 1, String());

  1034.             fileContent[fileSize] = '\0';

  1035. 

  1036.             return String(fileContent, false);

  1037.            #else

  1038.             try {

  1039.                 data = rack::system::archiveDirectory(fAutosavePath, 1);

  1040.             } DISTRHO_SAFE_EXCEPTION_RETURN("getState archiveDirectory", String());

  1041.            #endif

  1042.         }

  1043. 

  1044.         return String::asBase64(data.data(), data.size());

  1045.     }

  1046. 

  1047.     void setState(const char* const key, const char* const value) override

  1048.     {

  1049.        #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  1050.         if (std::strcmp(key, "param") == 0)

  1051.         {

  1052.             long long moduleId = 0;

  1053.             int paramId = 0;

  1054.             float paramValue = 0.f;

  1055.             {

  1056.                 const ScopedSafeLocale cssl;

  1057.                 std::sscanf(value, "%lld:%d:%f", &moduleId, &paramId, &paramValue);

  1058.             }

  1059. 

  1060.             rack::engine::Module* const module = context->engine->getModule(moduleId);

  1061.             DISTRHO_SAFE_ASSERT_RETURN(module != nullptr,);

  1062. 

  1063.             context->engine->setParamValue(module, paramId, paramValue);

  1064.             return;

  1065.         }

  1066.        #endif

  1067. 

  1068.        #if CARDINAL_VARIANT_MINI || !defined(HEADLESS)

  1069.         if (std::strcmp(key, "windowSize") == 0)

  1070.         {

  1071.             fState.windowSize = value;

  1072.             return;

  1073.         }

  1074.        #endif

  1075. 

  1076.         if (std::strcmp(key, "comment") == 0)

  1077.         {

  1078.             fState.comment = value;

  1079.             return;

  1080.         }

  1081. 

  1082.         if (std::strcmp(key, "screenshot") == 0)

  1083.         {

  1084.             fState.screenshot = value;

  1085.             return;

  1086.         }

  1087. 

  1088.         if (std::strcmp(key, "patch") != 0)

  1089.             return;

  1090.         if (fAutosavePath.empty())

  1091.             return;

  1092. 

  1093.        #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  1094.         rack::system::removeRecursively(fAutosavePath);

  1095.         rack::system::createDirectories(fAutosavePath);

  1096. 

  1097.         FILE* const f = std::fopen(rack::system::join(fAutosavePath, "patch.json").c_str(), "w");

  1098.         DISTRHO_SAFE_ASSERT_RETURN(f != nullptr,);

  1099. 

  1100.         std::fwrite(value, std::strlen(value), 1, f);

  1101.         std::fclose(f);

  1102.        #else

  1103.         const std::vector<uint8_t> data(d_getChunkFromBase64String(value));

  1104. 

  1105.         DISTRHO_SAFE_ASSERT_RETURN(data.size() >= 4,);

  1106. 

  1107.         rack::system::removeRecursively(fAutosavePath);

  1108.         rack::system::createDirectories(fAutosavePath);

  1109. 

  1110.         static constexpr const uint8_t zstdMagic[4] = { 0x28, 0xb5, 0x2f, 0xfd };

  1111. 

  1112.         if (std::memcmp(data.data(), zstdMagic, sizeof(zstdMagic)) != 0)

  1113.         {

  1114.             FILE* const f = std::fopen(rack::system::join(fAutosavePath, "patch.json").c_str(), "w");

  1115.             DISTRHO_SAFE_ASSERT_RETURN(f != nullptr,);

  1116. 

  1117.             std::fwrite(data.data(), data.size(), 1, f);

  1118.             std::fclose(f);

  1119.         }

  1120.         else

  1121.         {

  1122.             try {

  1123.                 rack::system::unarchiveToDirectory(data, fAutosavePath);

  1124.             } DISTRHO_SAFE_EXCEPTION_RETURN("setState unarchiveToDirectory",);

  1125.         }

  1126.        #endif

  1127. 

  1128.         const ScopedContext sc(this);

  1129. 

  1130.         try {

  1131.             context->patch->loadAutosave();

  1132.         } catch(const rack::Exception& e) {

  1133.             d_stderr(e.what());

  1134.         } DISTRHO_SAFE_EXCEPTION_RETURN("setState loadAutosave",);

  1135. 

  1136.         // context->history->setSaved();

  1137.     }

  1138. 

  1139.    /* --------------------------------------------------------------------------------------------------------

  1140.     * Process */

  1141. 

  1142.     void activate() override

  1143.     {

  1144.         context->bufferSize = getBufferSize();

  1145. 

  1146.        #if DISTRHO_PLUGIN_NUM_INPUTS != 0

  1147.         fAudioBufferCopy = new float*[DISTRHO_PLUGIN_NUM_INPUTS];

  1148.         for (int i=0; i<DISTRHO_PLUGIN_NUM_INPUTS; ++i)

  1149.         {

  1150.             fAudioBufferCopy[i] = new float[context->bufferSize];

  1151.             std::memset(fAudioBufferCopy[i], 0, sizeof(float) * context->bufferSize);

  1152.         }

  1153.        #endif

  1154. 

  1155.         fNextExpectedFrame = 0;

  1156.     }

  1157. 

  1158.     void deactivate() override

  1159.     {

  1160.        #if DISTRHO_PLUGIN_NUM_INPUTS != 0

  1161.         if (fAudioBufferCopy != nullptr)

  1162.         {

  1163.             for (int i=0; i<DISTRHO_PLUGIN_NUM_INPUTS; ++i)

  1164.                 delete[] fAudioBufferCopy[i];

  1165.             delete[] fAudioBufferCopy;

  1166.             fAudioBufferCopy = nullptr;

  1167.         }

  1168.        #endif

  1169.     }

  1170. 

  1171.     void run(const float** const inputs, float** const outputs, const uint32_t frames,

  1172.              const MidiEvent* const midiEvents, const uint32_t midiEventCount) override

  1173.     {

  1174.         const ScopedDenormalDisable sdd;

  1175. 

  1176.         rack::contextSet(context);

  1177. 

  1178.         const bool bypassed = context->bypassed;

  1179. 

  1180.         {

  1181.             const TimePosition& timePos(getTimePosition());

  1182. 

  1183.             bool reset = timePos.playing && (timePos.frame == 0 || d_isDiffHigherThanLimit(fNextExpectedFrame, timePos.frame, (uint64_t)2));

  1184. 

  1185.             // ignore hosts which cannot supply time frame position

  1186.             if (context->playing == timePos.playing && timePos.frame == 0 && context->frame == 0)

  1187.                 reset = false;

  1188. 

  1189.             context->playing = timePos.playing;

  1190.             context->bbtValid = timePos.bbt.valid;

  1191.             context->frame = timePos.frame;

  1192. 

  1193.             if (timePos.bbt.valid)

  1194.             {

  1195.                 const double samplesPerTick = 60.0 * getSampleRate()

  1196.                                             / timePos.bbt.beatsPerMinute

  1197.                                             / timePos.bbt.ticksPerBeat;

  1198.                 context->bar = timePos.bbt.bar;

  1199.                 context->beat = timePos.bbt.beat;

  1200.                 context->beatsPerBar = timePos.bbt.beatsPerBar;

  1201.                 context->beatType = timePos.bbt.beatType;

  1202.                 context->barStartTick = timePos.bbt.barStartTick;

  1203.                 context->beatsPerMinute = timePos.bbt.beatsPerMinute;

  1204.                 context->tick = timePos.bbt.tick;

  1205.                 context->ticksPerBeat = timePos.bbt.ticksPerBeat;

  1206.                 context->ticksPerClock = timePos.bbt.ticksPerBeat / timePos.bbt.beatType;

  1207.                 context->ticksPerFrame = 1.0 / samplesPerTick;

  1208.                 context->tickClock = std::fmod(timePos.bbt.tick, context->ticksPerClock);

  1209.                #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  1210.                 fMiniReportValues[kCardinalParameterMiniTimeBar - kCardinalParameterStartMini] = timePos.bbt.bar;

  1211.                 fMiniReportValues[kCardinalParameterMiniTimeBeat - kCardinalParameterStartMini] = timePos.bbt.beat;

  1212.                 fMiniReportValues[kCardinalParameterMiniTimeBeatsPerBar - kCardinalParameterStartMini] = timePos.bbt.beatsPerBar;

  1213.                 fMiniReportValues[kCardinalParameterMiniTimeBeatType - kCardinalParameterStartMini] = timePos.bbt.beatType;

  1214.                 fMiniReportValues[kCardinalParameterMiniTimeBarStartTick - kCardinalParameterStartMini] = timePos.bbt.barStartTick;

  1215.                 fMiniReportValues[kCardinalParameterMiniTimeBeatsPerMinute - kCardinalParameterStartMini] = timePos.bbt.beatsPerMinute;

  1216.                 fMiniReportValues[kCardinalParameterMiniTimeTick - kCardinalParameterStartMini] = timePos.bbt.tick;

  1217.                 fMiniReportValues[kCardinalParameterMiniTimeTicksPerBeat - kCardinalParameterStartMini] = timePos.bbt.ticksPerBeat;

  1218.                #endif

  1219.             }

  1220. 

  1221.             context->reset = reset;

  1222.             fNextExpectedFrame = timePos.playing ? timePos.frame + frames : 0;

  1223. 

  1224.            #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  1225.             const int flags = (timePos.playing ? 0x1 : 0x0)

  1226.                             | (timePos.bbt.valid ? 0x2 : 0x0)

  1227.                             | (reset ? 0x4 : 0x0);

  1228.             fMiniReportValues[kCardinalParameterMiniTimeFlags - kCardinalParameterStartMini] = flags;

  1229.             fMiniReportValues[kCardinalParameterMiniTimeFrame - kCardinalParameterStartMini] = timePos.frame / getSampleRate();

  1230.            #endif

  1231.         }

  1232. 

  1233.         // separate buffers, use them

  1234.         if (inputs != outputs && (inputs == nullptr || inputs[0] != outputs[0]))

  1235.         {

  1236.             context->dataIns = inputs;

  1237.             context->dataOuts = outputs;

  1238.         }

  1239.         // inline processing, use a safe copy

  1240.         else

  1241.         {

  1242.            #if DISTRHO_PLUGIN_NUM_INPUTS != 0

  1243.             for (int i=0; i<fNumActiveInputs; ++i)

  1244.             {

  1245.                #if CARDINAL_VARIANT_MAIN || CARDINAL_VARIANT_MINI

  1246.                 // can be null on main and mini variants

  1247.                 if (inputs[i] != nullptr)

  1248.                #endif

  1249.                     std::memcpy(fAudioBufferCopy[i], inputs[i], sizeof(float)*frames);

  1250.             }

  1251.             context->dataIns = fAudioBufferCopy;

  1252.            #else

  1253.             context->dataIns = nullptr;

  1254.            #endif

  1255.             context->dataOuts = outputs;

  1256.         }

  1257. 

  1258.         for (int i=0; i<fNumActiveOutputs; ++i)

  1259.         {

  1260.            #if CARDINAL_VARIANT_MAIN || CARDINAL_VARIANT_MINI

  1261.             // can be null on main and mini variants

  1262.             if (outputs[i] != nullptr)

  1263.            #endif

  1264.                 std::memset(outputs[i], 0, sizeof(float)*frames);

  1265.         }

  1266. 

  1267.        #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  1268.         for (int i=0; i<DISTRHO_PLUGIN_NUM_INPUTS; ++i)

  1269.             fMiniReportValues[i] = context->dataIns[i][0];

  1270.        #endif

  1271. 

  1272.         if (bypassed)

  1273.         {

  1274.             if (fWasBypassed != bypassed)

  1275.             {

  1276.                 context->midiEvents = bypassMidiEvents;

  1277.                 context->midiEventCount = 16;

  1278.             }

  1279.             else

  1280.             {

  1281.                 context->midiEvents = nullptr;

  1282.                 context->midiEventCount = 0;

  1283.             }

  1284.         }

  1285.         else

  1286.         {

  1287.             context->midiEvents = midiEvents;

  1288.             context->midiEventCount = midiEventCount;

  1289.         }

  1290. 

  1291.         ++context->processCounter;

  1292.         context->engine->stepBlock(frames);

  1293. 

  1294.         fWasBypassed = bypassed;

  1295.     }

  1296. 

  1297.     void sampleRateChanged(const double newSampleRate) override

  1298.     {

  1299.         rack::contextSet(context);

  1300.         rack::settings::sampleRate = newSampleRate;

  1301.         context->sampleRate = newSampleRate;

  1302.         context->engine->setSampleRate(newSampleRate);

  1303.     }

  1304. 

  1305.    #ifdef DISTRHO_PLUGIN_EXTRA_IO

  1306.     void ioChanged(const uint16_t numInputs, const uint16_t numOutputs) override

  1307.     {

  1308.         fNumActiveInputs = numInputs;

  1309.         fNumActiveOutputs = numOutputs;

  1310.     }

  1311.    #endif

  1312. 

  1313.     // -------------------------------------------------------------------------------------------------------

  1314. 

  1315. private:

  1316.    /**

  1317.       Set our plugin class as non-copyable and add a leak detector just in case.

  1318.     */

  1319.     DISTRHO_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CardinalPlugin)

  1320. };

  1321. 

  1322. CardinalPluginContext* getRackContextFromPlugin(void* const ptr)

  1323. {

  1324.     return static_cast<CardinalPlugin*>(ptr)->getRackContext();

  1325. }

  1326. 

  1327. /* ------------------------------------------------------------------------------------------------------------

  1328.  * Plugin entry point, called by DPF to create a new plugin instance. */

  1329. 

  1330. Plugin* createPlugin()

  1331. {

  1332.     return new CardinalPlugin();

  1333. }

  1334. 

  1335. // --------------------------------------------------------------------------------------------------------------------

  1336. 

  1337. END_NAMESPACE_DISTRHO