DISTRHO
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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) 2021-2024 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;

  338.         }

  339. 

  340.         if (! fAutosavePath.empty())

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

  342.     }

  343. 

  344.     CardinalPluginContext* getRackContext() const noexcept

  345.     {

  346.         return context;

  347.     }

  348. 

  349.    #ifdef HAVE_LIBLO

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

  351.     {

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

  353.             return false;

  354.         

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

  356.         {

  357.             fInitializer->remotePluginInstance = this;

  358.             return true;

  359.         }

  360. 

  361.         return false;

  362.     }

  363. 

  364.     void stopRemoteServer() override

  365.     {

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

  367. 

  368.         fInitializer->remotePluginInstance = nullptr;

  369.         fInitializer->stopRemoteServer();

  370.     }

  371.     

  372.     void stepRemoteServer() override

  373.     {

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

  375. 

  376.         fInitializer->stepRemoteServer();

  377.     }

  378.    #endif

  379. 

  380. protected:

  381.    /* --------------------------------------------------------------------------------------------------------

  382.     * Information */

  383. 

  384.     const char* getLabel() const override

  385.     {

  386.         return DISTRHO_PLUGIN_LABEL;

  387.     }

  388. 

  389.     const char* getDescription() const override

  390.     {

  391.         return ""

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

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

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

  395.         "\n"

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

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

  398.     }

  399. 

  400.     const char* getMaker() const override

  401.     {

  402.         return "DISTRHO";

  403.     }

  404. 

  405.     const char* getHomePage() const override

  406.     {

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

  408.     }

  409. 

  410.     const char* getLicense() const override

  411.     {

  412.         return "GPLv3+";

  413.     }

  414. 

  415.     uint32_t getVersion() const override

  416.     {

  417.         return d_version(0, 24, 9);

  418.     }

  419. 

  420.     int64_t getUniqueId() const override

  421.     {

  422.        #if CARDINAL_VARIANT_MAIN || CARDINAL_VARIANT_NATIVE

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

  424.        #elif CARDINAL_VARIANT_MINI

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

  426.        #elif CARDINAL_VARIANT_FX

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

  428.        #elif CARDINAL_VARIANT_SYNTH

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

  430.        #else

  431.         #error cardinal variant not set

  432.        #endif

  433.     }

  434. 

  435.    /* --------------------------------------------------------------------------------------------------------

  436.     * Init */

  437. 

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

  439.     {

  440.        #if CARDINAL_VARIANT_MAIN || CARDINAL_VARIANT_MINI

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

  442. 

  443.         if (index < CARDINAL_NUM_AUDIO_INPUTS)

  444.         {

  445.            #if CARDINAL_VARIANT_MINI

  446.             port.groupId = kPortGroupStereo;

  447.            #else

  448.             port.groupId = index / 2;

  449.            #endif

  450.         }

  451.         else

  452.         {

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

  454.             index -= CARDINAL_NUM_AUDIO_INPUTS;

  455.         }

  456.        #elif CARDINAL_VARIANT_NATIVE || CARDINAL_VARIANT_FX || CARDINAL_VARIANT_SYNTH

  457.         if (index < 2)

  458.             port.groupId = kPortGroupStereo;

  459.        #endif

  460. 

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

  462.     }

  463. 

  464.    #if CARDINAL_VARIANT_MAIN

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

  466.     {

  467.         switch (index)

  468.         {

  469.         case 0:

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

  471.             portGroup.symbol = "audio_1_and_2";

  472.             break;

  473.         case 1:

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

  475.             portGroup.symbol = "audio_3_and_4";

  476.             break;

  477.         case 2:

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

  479.             portGroup.symbol = "audio_5_and_6";

  480.             break;

  481.         case 3:

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

  483.             portGroup.symbol = "audio_7_and_8";

  484.             break;

  485.         }

  486.     }

  487.    #endif

  488. 

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

  490.     {

  491.         if (index < kCardinalParameterCountAtModules)

  492.         {

  493.             parameter.name = "Parameter ";

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

  495.             parameter.symbol = "param_";

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

  497.             parameter.unit = "v";

  498.             parameter.hints = kParameterIsAutomatable;

  499.             parameter.ranges.def = 0.0f;

  500.             parameter.ranges.min = 0.0f;

  501.             parameter.ranges.max = 10.0f;

  502.             return;

  503.         }

  504. 

  505.         if (index == kCardinalParameterBypass)

  506.         {

  507.             parameter.initDesignation(kParameterDesignationBypass);

  508.             return;

  509.         }

  510. 

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

  512.         if (index < kCardinalParameterCountAtWindow)

  513.         {

  514.             switch (index - kCardinalParameterStartWindow)

  515.             {

  516.             case kWindowParameterShowTooltips:

  517.                 parameter.name = "Show tooltips";

  518.                 parameter.symbol = "tooltips";

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

  520.                #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  521.                 parameter.hints |= kParameterIsHidden;

  522.                #endif

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

  524.                 parameter.ranges.min = 0.0f;

  525.                 parameter.ranges.max = 1.0f;

  526.                 break;

  527.             case kWindowParameterCableOpacity:

  528.                 parameter.name = "Cable opacity";

  529.                 parameter.symbol = "cableOpacity";

  530.                 parameter.unit = "%";

  531.                 parameter.hints = kParameterIsAutomatable;

  532.                #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  533.                 parameter.hints |= kParameterIsHidden;

  534.                #endif

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

  536.                 parameter.ranges.min = 0.0f;

  537.                 parameter.ranges.max = 100.0f;

  538.                 break;

  539.             case kWindowParameterCableTension:

  540.                 parameter.name = "Cable tension";

  541.                 parameter.symbol = "cableTension";

  542.                 parameter.unit = "%";

  543.                 parameter.hints = kParameterIsAutomatable;

  544.                #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  545.                 parameter.hints |= kParameterIsHidden;

  546.                #endif

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

  548.                 parameter.ranges.min = 0.0f;

  549.                 parameter.ranges.max = 100.0f;

  550.                 break;

  551.             case kWindowParameterRackBrightness:

  552.                 parameter.name = "Room brightness";

  553.                 parameter.symbol = "rackBrightness";

  554.                 parameter.unit = "%";

  555.                 parameter.hints = kParameterIsAutomatable;

  556.                #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  557.                 parameter.hints |= kParameterIsHidden;

  558.                #endif

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

  560.                 parameter.ranges.min = 0.0f;

  561.                 parameter.ranges.max = 100.0f;

  562.                 break;

  563.             case kWindowParameterHaloBrightness:

  564.                 parameter.name = "Light Bloom";

  565.                 parameter.symbol = "haloBrightness";

  566.                 parameter.unit = "%";

  567.                 parameter.hints = kParameterIsAutomatable;

  568.                #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  569.                 parameter.hints |= kParameterIsHidden;

  570.                #endif

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

  572.                 parameter.ranges.min = 0.0f;

  573.                 parameter.ranges.max = 100.0f;

  574.                 break;

  575.             case kWindowParameterKnobMode:

  576.                 parameter.name = "Knob mode";

  577.                 parameter.symbol = "knobMode";

  578.                 parameter.hints = kParameterIsAutomatable|kParameterIsInteger;

  579.                #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  580.                 parameter.hints |= kParameterIsHidden;

  581.                #endif

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

  583.                 parameter.ranges.min = 0.0f;

  584.                 parameter.ranges.max = 2.0f;

  585.                 parameter.enumValues.count = 3;

  586.                 parameter.enumValues.restrictedMode = true;

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

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

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

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

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

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

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

  594.                 break;

  595.             case kWindowParameterWheelKnobControl:

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

  597.                 parameter.symbol = "knobScroll";

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

  599.                #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  600.                 parameter.hints |= kParameterIsHidden;

  601.                #endif

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

  603.                 parameter.ranges.min = 0.0f;

  604.                 parameter.ranges.max = 1.0f;

  605.                 break;

  606.             case kWindowParameterWheelSensitivity:

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

  608.                 parameter.symbol = "knobScrollSensitivity";

  609.                 parameter.hints = kParameterIsAutomatable|kParameterIsLogarithmic;

  610.                #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  611.                 parameter.hints |= kParameterIsHidden;

  612.                #endif

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

  614.                 parameter.ranges.min = 0.1f;

  615.                 parameter.ranges.max = 10.0f;

  616.                 break;

  617.             case kWindowParameterLockModulePositions:

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

  619.                 parameter.symbol = "lockModules";

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

  621.                #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  622.                 parameter.hints |= kParameterIsHidden;

  623.                #endif

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

  625.                 parameter.ranges.min = 0.0f;

  626.                 parameter.ranges.max = 1.0f;

  627.                 break;

  628.             case kWindowParameterUpdateRateLimit:

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

  630.                 parameter.symbol = "rateLimit";

  631.                 parameter.hints = kParameterIsAutomatable|kParameterIsInteger;

  632.                #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  633.                 parameter.hints |= kParameterIsHidden;

  634.                #endif

  635.                 parameter.ranges.def = 0.0f;

  636.                 parameter.ranges.min = 0.0f;

  637.                 parameter.ranges.max = 2.0f;

  638.                 parameter.enumValues.count = 3;

  639.                 parameter.enumValues.restrictedMode = true;

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

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

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

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

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

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

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

  647.                 break;

  648.             case kWindowParameterBrowserSort:

  649.                 parameter.name = "Browser sort";

  650.                 parameter.symbol = "browserSort";

  651.                 parameter.hints = kParameterIsAutomatable|kParameterIsInteger;

  652.                #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  653.                 parameter.hints |= kParameterIsHidden;

  654.                #endif

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

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

  657.                                                          rack::settings::browserSort));

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

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

  660.                 parameter.enumValues.count = 6;

  661.                 parameter.enumValues.restrictedMode = true;

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

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

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

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

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

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

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

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

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

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

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

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

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

  675.                 break;

  676.             case kWindowParameterBrowserZoom:

  677.                 parameter.name = "Browser zoom";

  678.                 parameter.symbol = "browserZoom";

  679.                 parameter.hints = kParameterIsAutomatable;

  680.                #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  681.                 parameter.hints |= kParameterIsHidden;

  682.                #endif

  683.                 parameter.unit = "%";

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

  685.                 parameter.ranges.min = 25.0f;

  686.                 parameter.ranges.max = 200.0f;

  687.                 parameter.enumValues.count = 7;

  688.                 parameter.enumValues.restrictedMode = true;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  704.                 break;

  705.             case kWindowParameterInvertZoom:

  706.                 parameter.name = "Invert zoom";

  707.                 parameter.symbol = "invertZoom";

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

  709.                #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  710.                 parameter.hints |= kParameterIsHidden;

  711.                #endif

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

  713.                 parameter.ranges.min = 0.0f;

  714.                 parameter.ranges.max = 1.0f;

  715.                 break;

  716.             case kWindowParameterSqueezeModulePositions:

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

  718.                 parameter.symbol = "squeezeModules";

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

  720.                #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  721.                 parameter.hints |= kParameterIsHidden;

  722.                #endif

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

  724.                 parameter.ranges.min = 0.0f;

  725.                 parameter.ranges.max = 1.0f;

  726.                 break;

  727.             }

  728.         }

  729.        #endif

  730. 

  731.        #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  732.         switch (index)

  733.         {

  734.         case kCardinalParameterMiniAudioIn1:

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

  736.             parameter.symbol = "r_audio_in_1";

  737.             parameter.hints = kParameterIsAutomatable|kParameterIsOutput;

  738.             parameter.ranges.def = 0.0f;

  739.             parameter.ranges.min = 0.0f;

  740.             parameter.ranges.max = 1.0f;

  741.             break;

  742.         case kCardinalParameterMiniAudioIn2:

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

  744.             parameter.symbol = "r_audio_in_2";

  745.             parameter.hints = kParameterIsAutomatable|kParameterIsOutput;

  746.             parameter.ranges.def = 0.0f;

  747.             parameter.ranges.min = 0.0f;

  748.             parameter.ranges.max = 1.0f;

  749.             break;

  750.         case kCardinalParameterMiniCVIn1:

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

  752.             parameter.symbol = "r_cv_in_1";

  753.             parameter.hints = kParameterIsAutomatable|kParameterIsOutput;

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

  755.             parameter.ranges.min = 0.0f;

  756.             parameter.ranges.max = 10.0f;

  757.             break;

  758.         case kCardinalParameterMiniCVIn2:

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

  760.             parameter.symbol = "r_cv_in_2";

  761.             parameter.hints = kParameterIsAutomatable|kParameterIsOutput;

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

  763.             parameter.ranges.min = 0.0f;

  764.             parameter.ranges.max = 10.0f;

  765.             break;

  766.         case kCardinalParameterMiniCVIn3:

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

  768.             parameter.symbol = "r_cv_in_3";

  769.             parameter.hints = kParameterIsAutomatable|kParameterIsOutput;

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

  771.             parameter.ranges.min = 0.0f;

  772.             parameter.ranges.max = 10.0f;

  773.             break;

  774.         case kCardinalParameterMiniCVIn4:

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

  776.             parameter.symbol = "r_cv_in_4";

  777.             parameter.hints = kParameterIsAutomatable|kParameterIsOutput;

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

  779.             parameter.ranges.min = 0.0f;

  780.             parameter.ranges.max = 10.0f;

  781.             break;

  782.         case kCardinalParameterMiniCVIn5:

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

  784.             parameter.symbol = "r_cv_in_5";

  785.             parameter.hints = kParameterIsAutomatable|kParameterIsOutput;

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

  787.             parameter.ranges.min = 0.0f;

  788.             parameter.ranges.max = 10.0f;

  789.             break;

  790.         case kCardinalParameterMiniTimeFlags:

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

  792.             parameter.symbol = "r_time_flags";

  793.             parameter.hints = kParameterIsAutomatable|kParameterIsOutput;

  794.             parameter.ranges.def = 0x0;

  795.             parameter.ranges.min = 0x0;

  796.             parameter.ranges.max = 0x7;

  797.             break;

  798.         case kCardinalParameterMiniTimeBar:

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

  800.             parameter.symbol = "r_time_bar";

  801.             parameter.hints = kParameterIsAutomatable|kParameterIsOutput;

  802.             parameter.ranges.def = 1.0f;

  803.             parameter.ranges.min = 1.0f;

  804.             parameter.ranges.max = FLT_MAX;

  805.             break;

  806.         case kCardinalParameterMiniTimeBeat:

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

  808.             parameter.symbol = "r_time_beat";

  809.             parameter.hints = kParameterIsAutomatable|kParameterIsOutput;

  810.             parameter.ranges.def = 1.0f;

  811.             parameter.ranges.min = 1.0f;

  812.             parameter.ranges.max = 128.0f;

  813.             break;

  814.         case kCardinalParameterMiniTimeBeatsPerBar:

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

  816.             parameter.symbol = "r_time_beatsPerBar";

  817.             parameter.hints = kParameterIsAutomatable|kParameterIsOutput;

  818.             parameter.ranges.def = 4.0f;

  819.             parameter.ranges.min = 0.0f;

  820.             parameter.ranges.max = 128.0f;

  821.             break;

  822.         case kCardinalParameterMiniTimeBeatType:

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

  824.             parameter.symbol = "r_time_beatType";

  825.             parameter.hints = kParameterIsAutomatable|kParameterIsOutput;

  826.             parameter.ranges.def = 4.0f;

  827.             parameter.ranges.min = 0.0f;

  828.             parameter.ranges.max = 128.0f;

  829.             break;

  830.         case kCardinalParameterMiniTimeFrame:

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

  832.             parameter.symbol = "r_time_frame";

  833.             parameter.hints = kParameterIsAutomatable|kParameterIsOutput;

  834.             parameter.ranges.def = 0.0f;

  835.             parameter.ranges.min = 0.0f;

  836.             parameter.ranges.max = FLT_MAX;

  837.             break;

  838.         case kCardinalParameterMiniTimeBarStartTick:

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

  840.             parameter.symbol = "r_time_barStartTick";

  841.             parameter.hints = kParameterIsAutomatable|kParameterIsOutput;

  842.             parameter.ranges.def = 0.0f;

  843.             parameter.ranges.min = 0.0f;

  844.             parameter.ranges.max = FLT_MAX;

  845.             break;

  846.         case kCardinalParameterMiniTimeBeatsPerMinute:

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

  848.             parameter.symbol = "r_time_bpm";

  849.             parameter.hints = kParameterIsAutomatable|kParameterIsOutput;

  850.             parameter.ranges.def = 20.0f;

  851.             parameter.ranges.min = 120.0f;

  852.             parameter.ranges.max = 999.0f;

  853.             break;

  854.         case kCardinalParameterMiniTimeTick:

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

  856.             parameter.symbol = "r_time_tick";

  857.             parameter.hints = kParameterIsAutomatable|kParameterIsOutput;

  858.             parameter.ranges.def = 0.0f;

  859.             parameter.ranges.min = 0.0f;

  860.             parameter.ranges.max = 8192.0f;

  861.             break;

  862.         case kCardinalParameterMiniTimeTicksPerBeat:

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

  864.             parameter.symbol = "r_time_ticksPerBeat";

  865.             parameter.hints = kParameterIsAutomatable|kParameterIsOutput;

  866.             parameter.ranges.def = 0.0f;

  867.             parameter.ranges.min = 0.0f;

  868.             parameter.ranges.max = 8192.0f;

  869.             break;

  870.         }

  871.        #endif

  872.     }

  873. 

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

  875.     {

  876.         switch (index)

  877.         {

  878.         case kCardinalStatePatch:

  879.            #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  880.             state.hints = kStateIsHostReadable;

  881.            #else

  882.             state.hints = kStateIsOnlyForDSP | kStateIsBase64Blob;

  883.            #endif

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

  885.             {

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

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

  888.                 {

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

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

  891. 

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

  893.                     {

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

  895.                        #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  896.                         state.defaultValue = fileContent;

  897.                        #else

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

  899.                        #endif

  900.                     }

  901. 

  902.                     delete[] fileContent;

  903.                 }

  904.                 std::fclose(f);

  905.             }

  906.             state.key = "patch";

  907.             state.label = "Patch";

  908.             break;

  909.         case kCardinalStateScreenshot:

  910.             state.hints = kStateIsHostReadable | kStateIsBase64Blob;

  911.             state.key = "screenshot";

  912.             state.label = "Screenshot";

  913.             break;

  914.         case kCardinalStateComment:

  915.             state.hints = kStateIsHostWritable;

  916.             state.key = "comment";

  917.             state.label = "Comment";

  918.             break;

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

  920.         case kCardinalStateWindowSize:

  921.             state.hints = kStateIsOnlyForUI;

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

  923.             state.key = "windowSize";

  924.             state.label = "Window size";

  925.             break;

  926.        #endif

  927.        #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  928.         case kCardinalStateParamChange:

  929.             state.hints = kStateIsHostReadable | kStateIsOnlyForDSP;

  930.             state.key = "param";

  931.             state.label = "ParamChange";

  932.             break;

  933.        #endif

  934.         }

  935.     }

  936. 

  937.    /* --------------------------------------------------------------------------------------------------------

  938.     * Internal data */

  939. 

  940.     float getParameterValue(uint32_t index) const override

  941.     {

  942.         // host mapped parameters

  943.         if (index < kCardinalParameterCountAtModules)

  944.             return context->parameters[index];

  945. 

  946.         // bypass

  947.         if (index == kCardinalParameterBypass)

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

  949. 

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

  951.         if (index < kCardinalParameterCountAtWindow)

  952.             return fWindowParameters[index - kCardinalParameterStartWindow];

  953.        #endif

  954. 

  955.        #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  956.         if (index < kCardinalParameterCountAtMini)

  957.             return fMiniReportValues[index - kCardinalParameterStartMini];

  958.        #endif

  959. 

  960.         return 0.0f;

  961.     }

  962. 

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

  964.     {

  965.         // host mapped parameters

  966.         if (index < kCardinalParameterCountAtModules)

  967.         {

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

  969.             return;

  970.         }

  971. 

  972.         // bypass

  973.         if (index == kCardinalParameterBypass)

  974.         {

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

  976.             return;

  977.         }

  978. 

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

  980.         if (index < kCardinalParameterCountAtWindow)

  981.         {

  982.             fWindowParameters[index - kCardinalParameterStartWindow] = value;

  983.             return;

  984.         }

  985.        #endif

  986.     }

  987. 

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

  989.     {

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

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

  992.             return fState.windowSize;

  993.        #endif

  994. 

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

  996.             return fState.comment;

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

  998.             return fState.screenshot;

  999. 

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

  1001.             return String();

  1002.         if (fAutosavePath.empty())

  1003.             return String();

  1004. 

  1005.         std::vector<uint8_t> data;

  1006. 

  1007.         {

  1008.             const ScopedContext sc(this);

  1009. 

  1010.             context->engine->prepareSave();

  1011.             context->patch->saveAutosave();

  1012.             context->patch->cleanAutosave();

  1013.             // context->history->setSaved();

  1014. 

  1015.            #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  1016.             FILE* const f = std::fopen(rack::system::join(context->patch->autosavePath, "patch.json").c_str(), "r");

  1017.             DISTRHO_SAFE_ASSERT_RETURN(f != nullptr, String());

  1018. 

  1019.             DEFER({

  1020.                 std::fclose(f);

  1021.             });

  1022. 

  1023.             std::fseek(f, 0, SEEK_END);

  1024.             const long fileSize = std::ftell(f);

  1025.             DISTRHO_SAFE_ASSERT_RETURN(fileSize > 0, String());

  1026. 

  1027.             std::fseek(f, 0, SEEK_SET);

  1028.             char* const fileContent = static_cast<char*>(std::malloc(fileSize+1));

  1029. 

  1030.             DISTRHO_SAFE_ASSERT_RETURN(std::fread(fileContent, fileSize, 1, f) == 1, String());

  1031.             fileContent[fileSize] = '\0';

  1032. 

  1033.             return String(fileContent, false);

  1034.            #else

  1035.             try {

  1036.                 data = rack::system::archiveDirectory(fAutosavePath, 1);

  1037.             } DISTRHO_SAFE_EXCEPTION_RETURN("getState archiveDirectory", String());

  1038.            #endif

  1039.         }

  1040. 

  1041.         return String::asBase64(data.data(), data.size());

  1042.     }

  1043. 

  1044.     void setState(const char* const key, const char* const value) override

  1045.     {

  1046.        #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  1047.         if (std::strcmp(key, "param") == 0)

  1048.         {

  1049.             long long moduleId = 0;

  1050.             int paramId = 0;

  1051.             float paramValue = 0.f;

  1052.             {

  1053.                 const ScopedSafeLocale cssl;

  1054.                 std::sscanf(value, "%lld:%d:%f", &moduleId, &paramId, &paramValue);

  1055.             }

  1056. 

  1057.             rack::engine::Module* const module = context->engine->getModule(moduleId);

  1058.             DISTRHO_SAFE_ASSERT_RETURN(module != nullptr,);

  1059. 

  1060.             context->engine->setParamValue(module, paramId, paramValue);

  1061.             return;

  1062.         }

  1063.        #endif

  1064. 

  1065.        #if CARDINAL_VARIANT_MINI || !defined(HEADLESS)

  1066.         if (std::strcmp(key, "windowSize") == 0)

  1067.         {

  1068.             fState.windowSize = value;

  1069.             return;

  1070.         }

  1071.        #endif

  1072. 

  1073.         if (std::strcmp(key, "comment") == 0)

  1074.         {

  1075.             fState.comment = value;

  1076.             return;

  1077.         }

  1078. 

  1079.         if (std::strcmp(key, "screenshot") == 0)

  1080.         {

  1081.             fState.screenshot = value;

  1082.             return;

  1083.         }

  1084. 

  1085.         if (std::strcmp(key, "patch") != 0)

  1086.             return;

  1087.         if (fAutosavePath.empty())

  1088.             return;

  1089. 

  1090.        #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  1091.         rack::system::removeRecursively(fAutosavePath);

  1092.         rack::system::createDirectories(fAutosavePath);

  1093. 

  1094.         FILE* const f = std::fopen(rack::system::join(fAutosavePath, "patch.json").c_str(), "w");

  1095.         DISTRHO_SAFE_ASSERT_RETURN(f != nullptr,);

  1096. 

  1097.         std::fwrite(value, std::strlen(value), 1, f);

  1098.         std::fclose(f);

  1099.        #else

  1100.         const std::vector<uint8_t> data(d_getChunkFromBase64String(value));

  1101. 

  1102.         DISTRHO_SAFE_ASSERT_RETURN(data.size() >= 4,);

  1103. 

  1104.         rack::system::removeRecursively(fAutosavePath);

  1105.         rack::system::createDirectories(fAutosavePath);

  1106. 

  1107.         static constexpr const char zstdMagic[] = "\x28\xb5\x2f\xfd";

  1108. 

  1109.         if (std::memcmp(data.data(), zstdMagic, sizeof(zstdMagic)) != 0)

  1110.         {

  1111.             FILE* const f = std::fopen(rack::system::join(fAutosavePath, "patch.json").c_str(), "w");

  1112.             DISTRHO_SAFE_ASSERT_RETURN(f != nullptr,);

  1113. 

  1114.             std::fwrite(data.data(), data.size(), 1, f);

  1115.             std::fclose(f);

  1116.         }

  1117.         else

  1118.         {

  1119.             try {

  1120.                 rack::system::unarchiveToDirectory(data, fAutosavePath);

  1121.             } DISTRHO_SAFE_EXCEPTION_RETURN("setState unarchiveToDirectory",);

  1122.         }

  1123.        #endif

  1124. 

  1125.         const ScopedContext sc(this);

  1126. 

  1127.         try {

  1128.             context->patch->loadAutosave();

  1129.         } catch(const rack::Exception& e) {

  1130.             d_stderr(e.what());

  1131.         } DISTRHO_SAFE_EXCEPTION_RETURN("setState loadAutosave",);

  1132. 

  1133.         // context->history->setSaved();

  1134.     }

  1135. 

  1136.    /* --------------------------------------------------------------------------------------------------------

  1137.     * Process */

  1138. 

  1139.     void activate() override

  1140.     {

  1141.         context->bufferSize = getBufferSize();

  1142. 

  1143.        #if DISTRHO_PLUGIN_NUM_INPUTS != 0

  1144.         fAudioBufferCopy = new float*[DISTRHO_PLUGIN_NUM_INPUTS];

  1145.         for (int i=0; i<DISTRHO_PLUGIN_NUM_INPUTS; ++i)

  1146.         {

  1147.             fAudioBufferCopy[i] = new float[context->bufferSize];

  1148.             std::memset(fAudioBufferCopy[i], 0, sizeof(float) * context->bufferSize);

  1149.         }

  1150.        #endif

  1151. 

  1152.         fNextExpectedFrame = 0;

  1153.     }

  1154. 

  1155.     void deactivate() override

  1156.     {

  1157.        #if DISTRHO_PLUGIN_NUM_INPUTS != 0

  1158.         if (fAudioBufferCopy != nullptr)

  1159.         {

  1160.             for (int i=0; i<DISTRHO_PLUGIN_NUM_INPUTS; ++i)

  1161.                 delete[] fAudioBufferCopy[i];

  1162.             delete[] fAudioBufferCopy;

  1163.             fAudioBufferCopy = nullptr;

  1164.         }

  1165.        #endif

  1166.     }

  1167. 

  1168.     void run(const float** const inputs, float** const outputs, const uint32_t frames,

  1169.              const MidiEvent* const midiEvents, const uint32_t midiEventCount) override

  1170.     {

  1171.         const ScopedDenormalDisable sdd;

  1172. 

  1173.         rack::contextSet(context);

  1174. 

  1175.         const bool bypassed = context->bypassed;

  1176. 

  1177.         {

  1178.             const TimePosition& timePos(getTimePosition());

  1179. 

  1180.             bool reset = timePos.playing && (timePos.frame == 0 || d_isDiffHigherThanLimit(fNextExpectedFrame, timePos.frame, (uint64_t)2));

  1181. 

  1182.             // ignore hosts which cannot supply time frame position

  1183.             if (context->playing == timePos.playing && timePos.frame == 0 && context->frame == 0)

  1184.                 reset = false;

  1185. 

  1186.             context->playing = timePos.playing;

  1187.             context->bbtValid = timePos.bbt.valid;

  1188.             context->frame = timePos.frame;

  1189. 

  1190.             if (timePos.bbt.valid)

  1191.             {

  1192.                 const double samplesPerTick = 60.0 * getSampleRate()

  1193.                                             / timePos.bbt.beatsPerMinute

  1194.                                             / timePos.bbt.ticksPerBeat;

  1195.                 context->bar = timePos.bbt.bar;

  1196.                 context->beat = timePos.bbt.beat;

  1197.                 context->beatsPerBar = timePos.bbt.beatsPerBar;

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

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

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

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

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

  1203.                 context->ticksPerClock = timePos.bbt.ticksPerBeat / timePos.bbt.beatType;

  1204.                 context->ticksPerFrame = 1.0 / samplesPerTick;

  1205.                 context->tickClock = std::fmod(timePos.bbt.tick, context->ticksPerClock);

  1206.                #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  1207.                 fMiniReportValues[kCardinalParameterMiniTimeBar - kCardinalParameterStartMini] = timePos.bbt.bar;

  1208.                 fMiniReportValues[kCardinalParameterMiniTimeBeat - kCardinalParameterStartMini] = timePos.bbt.beat;

  1209.                 fMiniReportValues[kCardinalParameterMiniTimeBeatsPerBar - kCardinalParameterStartMini] = timePos.bbt.beatsPerBar;

  1210.                 fMiniReportValues[kCardinalParameterMiniTimeBeatType - kCardinalParameterStartMini] = timePos.bbt.beatType;

  1211.                 fMiniReportValues[kCardinalParameterMiniTimeBarStartTick - kCardinalParameterStartMini] = timePos.bbt.barStartTick;

  1212.                 fMiniReportValues[kCardinalParameterMiniTimeBeatsPerMinute - kCardinalParameterStartMini] = timePos.bbt.beatsPerMinute;

  1213.                 fMiniReportValues[kCardinalParameterMiniTimeTick - kCardinalParameterStartMini] = timePos.bbt.tick;

  1214.                 fMiniReportValues[kCardinalParameterMiniTimeTicksPerBeat - kCardinalParameterStartMini] = timePos.bbt.ticksPerBeat;

  1215.                #endif

  1216.             }

  1217. 

  1218.             context->reset = reset;

  1219.             fNextExpectedFrame = timePos.playing ? timePos.frame + frames : 0;

  1220. 

  1221.            #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  1222.             const int flags = (timePos.playing ? 0x1 : 0x0)

  1223.                             | (timePos.bbt.valid ? 0x2 : 0x0)

  1224.                             | (reset ? 0x4 : 0x0);

  1225.             fMiniReportValues[kCardinalParameterMiniTimeFlags - kCardinalParameterStartMini] = flags;

  1226.             fMiniReportValues[kCardinalParameterMiniTimeFrame - kCardinalParameterStartMini] = timePos.frame / getSampleRate();

  1227.            #endif

  1228.         }

  1229. 

  1230.         // separate buffers, use them

  1231.         if (inputs != outputs && (inputs == nullptr || inputs[0] != outputs[0]))

  1232.         {

  1233.             context->dataIns = inputs;

  1234.             context->dataOuts = outputs;

  1235.         }

  1236.         // inline processing, use a safe copy

  1237.         else

  1238.         {

  1239.            #if DISTRHO_PLUGIN_NUM_INPUTS != 0

  1240.             for (int i=0; i<fNumActiveInputs; ++i)

  1241.             {

  1242.                #if CARDINAL_VARIANT_MAIN || CARDINAL_VARIANT_MINI

  1243.                 // can be null on main and mini variants

  1244.                 if (inputs[i] != nullptr)

  1245.                #endif

  1246.                     std::memcpy(fAudioBufferCopy[i], inputs[i], sizeof(float)*frames);

  1247.             }

  1248.             context->dataIns = fAudioBufferCopy;

  1249.            #else

  1250.             context->dataIns = nullptr;

  1251.            #endif

  1252.             context->dataOuts = outputs;

  1253.         }

  1254. 

  1255.         for (int i=0; i<fNumActiveOutputs; ++i)

  1256.         {

  1257.            #if CARDINAL_VARIANT_MAIN || CARDINAL_VARIANT_MINI

  1258.             // can be null on main and mini variants

  1259.             if (outputs[i] != nullptr)

  1260.            #endif

  1261.                 std::memset(outputs[i], 0, sizeof(float)*frames);

  1262.         }

  1263. 

  1264.        #if CARDINAL_VARIANT_MINI && ! DISTRHO_PLUGIN_WANT_DIRECT_ACCESS

  1265.         for (int i=0; i<DISTRHO_PLUGIN_NUM_INPUTS; ++i)

  1266.             fMiniReportValues[i] = context->dataIns[i][0];

  1267.        #endif

  1268. 

  1269.         if (bypassed)

  1270.         {

  1271.             if (fWasBypassed != bypassed)

  1272.             {

  1273.                 context->midiEvents = bypassMidiEvents;

  1274.                 context->midiEventCount = 16;

  1275.             }

  1276.             else

  1277.             {

  1278.                 context->midiEvents = nullptr;

  1279.                 context->midiEventCount = 0;

  1280.             }

  1281.         }

  1282.         else

  1283.         {

  1284.             context->midiEvents = midiEvents;

  1285.             context->midiEventCount = midiEventCount;

  1286.         }

  1287. 

  1288.         ++context->processCounter;

  1289.         context->engine->stepBlock(frames);

  1290. 

  1291.         fWasBypassed = bypassed;

  1292.     }

  1293. 

  1294.     void sampleRateChanged(const double newSampleRate) override

  1295.     {

  1296.         rack::contextSet(context);

  1297.         rack::settings::sampleRate = newSampleRate;

  1298.         context->sampleRate = newSampleRate;

  1299.         context->engine->setSampleRate(newSampleRate);

  1300.     }

  1301. 

  1302.    #ifdef DISTRHO_PLUGIN_EXTRA_IO

  1303.     void ioChanged(const uint16_t numInputs, const uint16_t numOutputs) override

  1304.     {

  1305.         fNumActiveInputs = numInputs;

  1306.         fNumActiveOutputs = numOutputs;

  1307.     }

  1308.    #endif

  1309. 

  1310.     // -------------------------------------------------------------------------------------------------------

  1311. 

  1312. private:

  1313.    /**

  1314.       Set our plugin class as non-copyable and add a leak detector just in case.

  1315.     */

  1316.     DISTRHO_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CardinalPlugin)

  1317. };

  1318. 

  1319. CardinalPluginContext* getRackContextFromPlugin(void* const ptr)

  1320. {

  1321.     return static_cast<CardinalPlugin*>(ptr)->getRackContext();

  1322. }

  1323. 

  1324. /* ------------------------------------------------------------------------------------------------------------

  1325.  * Plugin entry point, called by DPF to create a new plugin instance. */

  1326. 

  1327. Plugin* createPlugin()

  1328. {

  1329.     return new CardinalPlugin();

  1330. }

  1331. 

  1332. // --------------------------------------------------------------------------------------------------------------------

  1333. 

  1334. END_NAMESPACE_DISTRHO