Allow egN_ampeg and egN_amplitude both together

src/sfizz/Synth.cpp

@@ -178,17 +178,14 @@ void sfz::Synth::buildRegion(const std::vector<Opcode>& regionOpcodes)
     parseOpcodes(regionOpcodes);
 
     // Create the amplitude envelope
-    if (!lastRegion->flexAmpEG) {
+    if (!lastRegion->flexAmpEG)
         lastRegion->getOrCreateConnection(
             ModKey::createNXYZ(ModId::AmpEG, lastRegion->id),
-            ModKey::createNXYZ(ModId::Amplitude, lastRegion->id)).sourceDepth = 100.0f;
-    }
-    else {
-        ModKey source = ModKey::createNXYZ(ModId::Envelope, lastRegion->id, *lastRegion->flexAmpEG);
-        ModKey target = ModKey::createNXYZ(ModId::Amplitude, lastRegion->id);
-        if (!lastRegion->getConnection(source, target))
-            lastRegion->getOrCreateConnection(source, target).sourceDepth = 100.0f;
-    }
+            ModKey::createNXYZ(ModId::MasterAmplitude, lastRegion->id)).sourceDepth = 1.0f;
+    else
+        lastRegion->getOrCreateConnection(
+            ModKey::createNXYZ(ModId::Envelope, lastRegion->id, *lastRegion->flexAmpEG),
+            ModKey::createNXYZ(ModId::MasterAmplitude, lastRegion->id)).sourceDepth = 1.0f;
 
     if (octaveOffset != 0 || noteOffset != 0)
         lastRegion->offsetAllKeys(octaveOffset * 12 + noteOffset);

src/sfizz/Voice.cpp

@@ -380,14 +380,16 @@ void sfz::Voice::amplitudeEnvelope(absl::Span<float> modulationSpan) noexcept
 
     ModMatrix& mm = resources.modMatrix;
 
+    // Amplitude EG
+    absl::Span<const float> ampegOut(mm.getModulation(masterAmplitudeTarget), numSamples);
+    ASSERT(ampegOut.data());
+    copy(ampegOut, modulationSpan);
+
     // Amplitude envelope
     applyGain1<float>(baseGain, modulationSpan);
     if (float* mod = mm.getModulation(amplitudeTarget)) {
         for (size_t i = 0; i < numSamples; ++i)
-            modulationSpan[i] = normalizePercents(mod[i]);
-    }
-    else {
-        ASSERTFALSE;
+            modulationSpan[i] *= normalizePercents(mod[i]);
     }
 
     // Volume envelope
@@ -1050,6 +1052,7 @@ void sfz::Voice::resetSmoothers() noexcept
 void sfz::Voice::saveModulationTargets(const Region* region) noexcept
 {
     ModMatrix& mm = resources.modMatrix;
+    masterAmplitudeTarget = mm.findTarget(ModKey::createNXYZ(ModId::MasterAmplitude, region->getId()));
     amplitudeTarget = mm.findTarget(ModKey::createNXYZ(ModId::Amplitude, region->getId()));
     volumeTarget = mm.findTarget(ModKey::createNXYZ(ModId::Volume, region->getId()));
     panTarget = mm.findTarget(ModKey::createNXYZ(ModId::Pan, region->getId()));

src/sfizz/Voice.h

@@ -520,6 +520,7 @@ private:
     Smoother xfadeSmoother;
     void resetSmoothers() noexcept;
 
+    ModMatrix::TargetId masterAmplitudeTarget;
     ModMatrix::TargetId amplitudeTarget;
     ModMatrix::TargetId volumeTarget;
     ModMatrix::TargetId panTarget;

src/sfizz/modulations/ModId.cpp

@@ -38,6 +38,8 @@ int ModIds::flags(ModId id) noexcept
         return kModIsPerVoice;
 
         // targets
+    case ModId::MasterAmplitude:
+        return kModIsPerVoice|kModIsPercentMultiplicative;
     case ModId::Amplitude:
         return kModIsPerVoice|kModIsPercentMultiplicative;
     case ModId::Pan:

src/sfizz/modulations/ModId.h

@@ -34,7 +34,8 @@ enum class ModId : int {
     //--------------------------------------------------------------------------
     _TargetsStart = _SourcesEnd,
 
-    Amplitude = _TargetsStart,
+    MasterAmplitude = _TargetsStart,
+    Amplitude,
     Pan,
     Width,
     Position,

src/sfizz/modulations/ModKey.cpp

@@ -81,6 +81,8 @@ std::string ModKey::toString() const
     case ModId::FilEG:
         return absl::StrCat("FilterEG {", region_.number(), "}");
 
+    case ModId::MasterAmplitude:
+        return absl::StrCat("MasterAmplitude {", region_.number(), "}");
     case ModId::Amplitude:
         return absl::StrCat("Amplitude {", region_.number(), "}");
     case ModId::Pan: