Page selection bug fixes; working drum pages

VST/AudioGroupFilePresenter.cpp

@@ -408,6 +408,7 @@ void AudioGroupFilePresenter::populateGroupColumn(VSTEditor& editor, int collect
     item.mask = LVIF_TEXT;
 
     ListView_DeleteAllItems(editor.m_groupListView);
+    ListView_DeleteAllItems(editor.m_pageListView);
     if (collectionIdx < m_iteratorVec.size())
     {
         CollectionIterator& it = m_iteratorVec[collectionIdx];

VST/VSTBackend.cpp

@@ -192,6 +192,7 @@ VstInt32 VSTBackend::processEvents(VstEvents* events)
         if (m_curSeq)
             m_curSeq->kill();
         m_curSeq = m_engine->seqPlay(m_reqGroup, -1, nullptr);
+        m_editor.reselectPage();
     }
 
     if (engine.m_midiReceiver)
@@ -201,6 +202,11 @@ VstInt32 VSTBackend::processEvents(VstEvents* events)
             VstMidiEvent* evt = reinterpret_cast<VstMidiEvent*>(events->events[i]);
             if (evt->type == kVstMidiType)
             {
+                if (m_routeChannel != -1)
+                {
+                    evt->midiData[0] &= ~0xf;
+                    evt->midiData[0] |= m_routeChannel & 0xf;
+                }
                 (*engine.m_midiReceiver)(std::vector<uint8_t>(std::cbegin(evt->midiData),
                                                               std::cbegin(evt->midiData) + evt->byteSize),
                                          (m_curFrame + evt->deltaFrames) / sampleRate);
@@ -343,22 +349,32 @@ void VSTBackend::setGroup(int groupIdx, bool immediate)
     }
 }
 
-void VSTBackend::setNormalProgram(int programNo)
+void VSTBackend::_setNormalProgram(int programNo)
 {
-    std::unique_lock<std::mutex> lk(m_lock);
-
     if (!m_curSeq)
         return;
     m_curSeq->setChanProgram(0, programNo);
+    m_routeChannel = 0;
+}
+
+void VSTBackend::setNormalProgram(int programNo)
+{
+    std::unique_lock<std::mutex> lk(m_lock);
+    _setNormalProgram(programNo);
+}
+
+void VSTBackend::_setDrumProgram(int programNo)
+{
+    if (!m_curSeq)
+        return;
+    m_curSeq->setChanProgram(9, programNo);
+    m_routeChannel = 9;
 }
 
 void VSTBackend::setDrumProgram(int programNo)
 {
     std::unique_lock<std::mutex> lk(m_lock);
-
-    if (!m_curSeq)
-        return;
-    m_curSeq->setChanProgram(9, programNo);
+    _setDrumProgram(programNo);
 }
 
 VstInt32 VSTBackend::getChunk(void** data, bool)
@@ -373,7 +389,7 @@ VstInt32 VSTBackend::getChunk(void** data, bool)
     else
         *reinterpret_cast<wchar_t*>(buf) = L'\0';
     uint32_t* intVals = reinterpret_cast<uint32_t*>(buf + allocSz - 12);
-    intVals[0] = m_listenProg;
+    intVals[0] = 0;
     intVals[1] = m_editor.m_selGroupIdx;
     intVals[2] = m_editor.m_selPageIdx;
     *data = buf;
@@ -388,7 +404,6 @@ VstInt32 VSTBackend::setChunk(void* data, VstInt32 byteSize, bool)
     wchar_t* path = reinterpret_cast<wchar_t*>(data);
     uint32_t* intVals = reinterpret_cast<uint32_t*>(path + wcslen(path) + 1);
     std::wstring targetPath = m_userDir + L'\\' + path;
-    m_listenProg = intVals[0];
     uint32_t groupIdx = intVals[1];
     uint32_t pageIdx = intVals[2];
 

VST/VSTBackend.hpp

@@ -38,7 +38,7 @@ class VSTBackend : public AudioEffectX
     const AudioGroupDataCollection* m_curData = nullptr;
     size_t m_curFrame = 0;
     std::wstring m_userDir;
-    int m_listenProg = 0;
+    int m_routeChannel = -1;
     AudioGroupFilePresenter m_filePresenter;
     VSTEditor m_editor;
 public:
@@ -64,7 +64,9 @@ public:
 
     void loadGroupFile(int collectionIdx, int fileIdx);
     void setGroup(int groupIdx, bool immediate);
+    void _setNormalProgram(int programNo);
     void setNormalProgram(int programNo);
+    void _setDrumProgram(int programNo);
     void setDrumProgram(int programNo);
 
     VstInt32 getChunk(void** data, bool isPreset);

VST/VSTEditor.cpp

@@ -367,9 +367,7 @@ void VSTEditor::addAction()
         }
 
         m_backend.getFilePresenter().addCollection(name, std::move(data));
-        m_backend.getFilePresenter().populateCollectionColumn(*this);
-        m_backend.getFilePresenter().populateGroupColumn(*this, m_selCollectionIdx, m_selFileIdx);
-        m_backend.getFilePresenter().populatePageColumn(*this, m_selCollectionIdx, m_selFileIdx, m_selGroupIdx);
+        update();
     }
 }
 
@@ -414,6 +412,7 @@ void VSTEditor::selectGroup(int idx)
     m_selGroupIdx = idx;
     m_backend.setGroup(m_selGroupIdx, false);
     m_backend.getFilePresenter().populatePageColumn(*this, m_selCollectionIdx, m_selFileIdx, m_selGroupIdx);
+    m_lastLParam = -1;
 }
 
 void VSTEditor::selectPage(int idx)
@@ -423,12 +422,24 @@ void VSTEditor::selectPage(int idx)
     item.mask = LVIF_PARAM;
     item.iItem = idx;
     ListView_GetItem(m_pageListView, &item);
+    m_lastLParam = item.lParam;
     if (item.lParam & 0x80000000)
         selectDrumPage(item.lParam & 0x7fffffff);
     else
         selectNormalPage(item.lParam & 0x7fffffff);
 }
 
+void VSTEditor::reselectPage()
+{
+    if (m_lastLParam != -1)
+    {
+        if (m_lastLParam & 0x80000000)
+            m_backend._setDrumProgram(m_lastLParam & 0x7fffffff);
+        else
+            m_backend._setNormalProgram(m_lastLParam & 0x7fffffff);
+    }
+}
+
 void VSTEditor::selectNormalPage(int idx)
 {
     m_backend.setNormalProgram(idx);

VST/VSTEditor.hpp

@@ -33,6 +33,7 @@ class VSTEditor : public AEffEditor
     int m_selFileIdx = -1;
     int m_selGroupIdx = -1;
     int m_selPageIdx = -1;
+    int m_lastLParam = -1;
 
     HTREEITEM m_deferredCollectionSel = 0;
 
@@ -64,6 +65,7 @@ public:
     void selectCollection(LPARAM idx);
     void selectGroup(int idx);
     void selectPage(int idx);
+    void reselectPage();
     void selectNormalPage(int idx);
     void selectDrumPage(int idx);
 };

lib/Voice.cpp

@@ -219,7 +219,7 @@ bool Voice::_advanceSample(int16_t& samp, int32_t& newPitch)
         {
             /* Lerp within 160-sample block */
             float t = rem / 160.f;
-            float l = m_lastLevel * (1.f - t) + m_nextLevel * t;
+            float l = clamp(0.f, m_lastLevel * (1.f - t) + m_nextLevel * t, 1.f);
 
             /* Apply total volume to sample using decibel scale */
             ApplyVolume(l, samp);
@@ -347,7 +347,7 @@ bool Voice::_advanceSample(int16_t& samp, int32_t& newPitch)
         }
     }
 
-    m_nextLevel = ClampFull<float>(m_nextLevel);
+    m_nextLevel = clamp(0.f, m_nextLevel, 1.f);
 
     /* Apply total volume to sample using decibel scale */
     ApplyVolume(m_nextLevel, samp);