allow polyaftertouch extended CC (130) to respect note num, especiall…

…y useful when used as trigger with on_lo/hicc130 opcodes, so that the key range can be used select appropriate regions independently.

src/sfizz/Layer.cpp

@@ -157,7 +157,7 @@ void Layer::updateCCState(int ccNumber, float ccValue) noexcept
     ccSwitched_.set(ccNumber, conditions->containsWithEnd(ccValue));
 }
 
-bool Layer::registerCC(int ccNumber, float ccValue, float randValue) noexcept
+bool Layer::registerCC(int ccNumber, float ccValue, float randValue, int extendedArg) noexcept
 {
     const Region& region = region_;
 
@@ -176,6 +176,11 @@ bool Layer::registerCC(int ccNumber, float ccValue, float randValue) noexcept
         if (!triggerRange->containsWithEnd(ccValue))
             return false;
 
+        // only respect this polyAT trigger if the note number is one of ours
+        if (ccNumber == ExtendedCCs::polyphonicAftertouch && extendedArg >= 0 && !region.keyRange.containsWithEnd(extendedArg)) {
+            return false;
+        }
+
         sequenceSwitched_ =
             ((sequenceCounter_++ % region.sequenceLength) == region.sequencePosition - 1);
 

src/sfizz/Layer.h

@@ -96,10 +96,11 @@ struct Layer {
      * @param ccNumber
      * @param ccValue
      * @param randValue
+     * @param extendedArg is used for special extendedCCs (eg. polyaftertouch to represent note num, etc)
      * @return true if the region should trigger on this event
      * @return false otherwise
      */
-    bool registerCC(int ccNumber, float ccValue, float randValue) noexcept;
+    bool registerCC(int ccNumber, float ccValue, float randValue, int extendedArg=-1) noexcept;
     /**
      * @brief Register a new pitch wheel event.
      *

src/sfizz/Synth.cpp

@@ -1425,7 +1425,7 @@ void Synth::cc(int delay, int ccNumber, int ccValue) noexcept
     hdcc(delay, ccNumber, normalizedCC);
 }
 
-void Synth::Impl::ccDispatch(int delay, int ccNumber, float value) noexcept
+void Synth::Impl::ccDispatch(int delay, int ccNumber, float value, int extendedArg) noexcept
 {
     SisterVoiceRingBuilder ring;
     TriggerEvent triggerEvent { TriggerEventType::CC, ccNumber, value };
@@ -1447,7 +1447,7 @@ void Synth::Impl::ccDispatch(int delay, int ccNumber, float value) noexcept
             }
         }
 
-        if (layer->registerCC(ccNumber, value, randValue)) {
+        if (layer->registerCC(ccNumber, value, randValue, extendedArg)) {
             checkOffGroups(&region, delay, ccNumber);
             startVoice(layer, delay, triggerEvent, ring);
         }
@@ -1466,7 +1466,7 @@ void Synth::automateHdcc(int delay, int ccNumber, float normValue) noexcept
     impl.performHdcc(delay, ccNumber, normValue, false);
 }
 
-void Synth::Impl::performHdcc(int delay, int ccNumber, float normValue, bool asMidi) noexcept
+void Synth::Impl::performHdcc(int delay, int ccNumber, float normValue, bool asMidi, int extendedArg) noexcept
 {
     ASSERT(ccNumber < config::numCCs);
     ASSERT(ccNumber >= 0);
@@ -1494,7 +1494,7 @@ void Synth::Impl::performHdcc(int delay, int ccNumber, float normValue, bool asM
     for (auto& voice : voiceManager_)
         voice.registerCC(delay, ccNumber, normValue);
 
-    ccDispatch(delay, ccNumber, normValue);
+    ccDispatch(delay, ccNumber, normValue, extendedArg);
     midiState.ccEvent(delay, ccNumber, normValue);
 }
 
@@ -1594,8 +1594,7 @@ void Synth::hdPolyAftertouch(int delay, int noteNumber, float normAftertouch) no
     for (auto& voice : impl.voiceManager_)
         voice.registerPolyAftertouch(delay, noteNumber, normAftertouch);
 
-    // Note information is lost on this CC
-    impl.performHdcc(delay, ExtendedCCs::polyphonicAftertouch, normAftertouch, false);
+    impl.performHdcc(delay, ExtendedCCs::polyphonicAftertouch, normAftertouch, false, noteNumber);
 }
 
 void Synth::tempo(int delay, float secondsPerBeat) noexcept

src/sfizz/SynthPrivate.h

@@ -150,8 +150,9 @@ struct Synth::Impl final: public Parser::Listener {
      * @param delay
      * @param ccNumber
      * @param value
+     * @param extendedArg used for some extendedCC (eg. polyaftertouch note num, etc)
      */
-    void ccDispatch(int delay, int ccNumber, float value) noexcept;
+    void ccDispatch(int delay, int ccNumber, float value, int extendedArg=-1) noexcept;
 
     /**
      * @brief Start a voice for a specific region.
@@ -239,8 +240,9 @@ struct Synth::Impl final: public Parser::Listener {
      * @param ccNumber   The CC number
      * @param normValue  The normalized value
      * @param asMidi     Whether to process as a MIDI event
+     * @param extendedArg for some extendedCC (eg. polyaftertouch: note num, etc)
      */
-    void performHdcc(int delay, int ccNumber, float normValue, bool asMidi) noexcept;
+    void performHdcc(int delay, int ccNumber, float normValue, bool asMidi, int extendedArg=-1) noexcept;
 
     /**
      * @brief Set the default value for a CC