From c8dea01ab935f2149b67da92543dba64867014fd Mon Sep 17 00:00:00 2001
From: falkTX <falktx@falktx.com>
Date: Wed, 8 Dec 2021 22:38:39 +0000
Subject: [PATCH] Continue battling juce and cmake, add needed stubs

Signed-off-by: falkTX <falktx@falktx.com>
---
 dpf                             |   2 +-
 jucewrapper/CMakeLists.txt      |  16 ++-
 jucewrapper/CardinalWrapper.cpp | 179 ++++++++++++++++++++++++++++++--
 src/Makefile.cardinal.mk        |   4 +-
 4 files changed, 190 insertions(+), 11 deletions(-)

diff --git a/dpf b/dpf
index 2208680..c6c6900 160000
--- a/dpf
+++ b/dpf
@@ -1 +1 @@
-Subproject commit 2208680d20cca0360d38043d65f050a51d2c5a02
+Subproject commit c6c6900b8743550da7eb4f0f61a28ee85ac80966
diff --git a/jucewrapper/CMakeLists.txt b/jucewrapper/CMakeLists.txt
index 748aee8..4926dbb 100644
--- a/jucewrapper/CMakeLists.txt
+++ b/jucewrapper/CMakeLists.txt
@@ -13,17 +13,29 @@ juce_add_plugin(CardinalFX
     EDITOR_WANTS_KEYBOARD_FOCUS TRUE
     PLUGIN_MANUFACTURER_CODE Dstr
     PLUGIN_CODE dCnF
-    FORMATS AU
+    FORMATS VST3 AU
     PRODUCT_NAME "CardinalFX")
 
 target_sources(CardinalFX
     PRIVATE
-        Source/CardinalWrapper.cpp)
+        CardinalWrapper.cpp)
+
+target_include_directories(CardinalFX
+    PRIVATE
+        .
+        ../dpf/distrho)
 
 target_compile_definitions(CardinalFX
     PUBLIC
+        JUCE_USE_CURL=0
         JUCE_WEB_BROWSER=0)
 
+target_link_options(CardinalFX
+    PRIVATE
+        "-l/Shared/Personal/FOSS/GIT/DISTRHO/DISTRHO_Cardinal/bin/CardinalFX.so"
+        "-Wl,-rpath,."
+)
+
 target_link_libraries(CardinalFX
     PRIVATE
         juce::juce_audio_utils
diff --git a/jucewrapper/CardinalWrapper.cpp b/jucewrapper/CardinalWrapper.cpp
index e1e58ec..4d3a435 100644
--- a/jucewrapper/CardinalWrapper.cpp
+++ b/jucewrapper/CardinalWrapper.cpp
@@ -17,27 +17,194 @@
 
 #include <juce_audio_processors/juce_audio_processors.h>
 
+#include "DistrhoPlugin.hpp"
+#include "DistrhoUI.hpp"
+
+DISTRHO_PLUGIN_EXPORT DISTRHO_NAMESPACE::Plugin* createSharedPlugin();
+#define createPlugin ::createSharedPlugin
+#include "src/DistrhoPluginInternal.hpp"
+
+START_NAMESPACE_DISTRHO
+
+// -----------------------------------------------------------------------------------------------------------
+
+class ParameterForDPF : public juce::AudioProcessorParameter
+{
+    PluginExporter& plugin;
+    const uint index;
+
+public:
+    ParameterForDPF(PluginExporter& plugin_, const uint index_)
+        : plugin(plugin_),
+          index(index_) {}
+
+protected:
+    float getValue() const override
+    {
+        return plugin.getParameterRanges(index).getNormalizedValue(plugin.getParameterValue(index));
+    }
+
+    void setValue(const float newValue) override
+    {
+        plugin.setParameterValue(index, plugin.getParameterRanges(index).getUnnormalizedValue(newValue));
+    }
+
+    float getDefaultValue() const override
+    {
+        return plugin.getParameterDefault(index);
+    }
+
+    juce::String getName(int) const override
+    {
+        return plugin.getParameterName(index).buffer();
+    }
+
+    juce::String getLabel() const override
+    {
+        return plugin.getParameterUnit(index).buffer();
+    }
+
+    float getValueForText(const juce::String& text) const override
+    {
+        return 0.0f;
+    }
+};
+
+// -----------------------------------------------------------------------------------------------------------
+
 class CardinalWrapperProcessor  : public juce::AudioProcessor
 {
+    PluginExporter plugin;
+
+    static bool writeMidiCb(void* ptr, const MidiEvent& midiEvent)
+    {
+        return false;
+    }
+
+    static bool requestParameterValueChangeCb(void* ptr, uint32_t index, float value)
+    {
+        return false;
+    }
+
 public:
     CardinalWrapperProcessor()
-    {}
+        : plugin(this, writeMidiCb, requestParameterValueChangeCb)
+    {
+        for (uint i=0; i<plugin.getParameterCount(); ++i)
+            addParameter(new ParameterForDPF(plugin, i));
+    }
 
     ~CardinalWrapperProcessor() override
-    {}
+    {
+    }
 
-    void prepareToPlay (double sampleRate, int samplesPerBlock) override
-    {}
+    const juce::String getName() const override
+    {
+        return plugin.getName();
+    }
+
+    juce::StringArray getAlternateDisplayNames() const override
+    {
+        return juce::StringArray(plugin.getLabel());
+    }
+
+    void prepareToPlay(double sampleRate, int samplesPerBlock) override
+    {
+        plugin.deactivateIfNeeded();
+        plugin.setSampleRate(sampleRate);
+        plugin.setBufferSize(samplesPerBlock);
+        plugin.activate();
+    }
 
     void releaseResources() override
-    {}
+    {
+        plugin.deactivateIfNeeded();
+    }
+
+    void processBlock(juce::AudioBuffer<float>& buffer, juce::MidiBuffer& midiMessages) override
+    {
+        midiMessages.clear();
+        // AudioPlayHead* getPlayHead()
+    }
+
+    double getTailLengthSeconds() const override
+    {
+        return true;
+    }
+
+    bool acceptsMidi() const override
+    {
+        return true;
+    }
+
+    bool producesMidi() const override
+    {
+        return true;
+    }
+
+    juce::AudioProcessorEditor* createEditor() override;
+
+    bool hasEditor() const override
+    {
+        return true;
+    }
+
+    int getNumPrograms() override
+    {
+        return 0;
+    }
+
+    int getCurrentProgram() override
+    {
+        return 0;
+    }
+
+    void setCurrentProgram(int) override
+    {
+    }
+
+    const juce::String getProgramName(int) override
+    {
+        return {};
+    }
+
+    void changeProgramName(int, const juce::String&) override
+    {
+    }
+
+    void getStateInformation(juce::MemoryBlock& destData) override
+    {
+    }
+
+    void setStateInformation(const void* data, int sizeInBytes) override
+    {
+    }
 };
 
 class CardinalWrapperEditor : public juce::AudioProcessorEditor
 {
 public:
-    CardinalWrapperEditor(CardinalWrapperProcessor&)
+    CardinalWrapperEditor(CardinalWrapperProcessor& processor)
+        : juce::AudioProcessorEditor(processor)
     {}
+
     ~CardinalWrapperEditor() override
     {}
 };
+
+// -----------------------------------------------------------------------------------------------------------
+
+END_NAMESPACE_DISTRHO
+
+// -----------------------------------------------------------------------------------------------------------
+
+juce::AudioProcessor* createPluginFilter()
+{
+    return new DISTRHO_NAMESPACE::CardinalWrapperProcessor;
+}
+
+// -----------------------------------------------------------------------------------------------------------
+
+#define DISTRHO_IS_STANDALONE 0
+#include "src/DistrhoPlugin.cpp"
+#include "src/DistrhoUtils.cpp"
diff --git a/src/Makefile.cardinal.mk b/src/Makefile.cardinal.mk
index 46b182f..abfa5b0 100644
--- a/src/Makefile.cardinal.mk
+++ b/src/Makefile.cardinal.mk
@@ -234,7 +234,7 @@ BUILD_CXX_FLAGS += -DCARDINAL_PLUGIN_PREFIX='"$(PREFIX)"'
 
 ifeq ($(NAME),CardinalFX)
 
-all: jack vst2 lv2 resources
+all: jack vst2 lv2 shared resources
 
 CORE_RESOURCES = $(filter-out icon.png,$(subst ../Rack/res/,,$(wildcard ../Rack/res/*))) template.vcv
 
@@ -251,7 +251,7 @@ else # CardinalFX
 ifeq ($(NAME),Cardinal)
 all: jack lv2 vst3 resources
 else
-all: jack lv2 vst2 vst3 resources
+all: jack lv2 vst2 vst3 shared resources
 endif
 
 PLUGIN_RESOURCES += $(TARGET_DIR)/$(NAME).lv2/resources