From 06d111cbd4b49427f10eb34dff0c3e187655f401 Mon Sep 17 00:00:00 2001
From: Jean Pierre Cimalando <jp-dev@inbox.ru>
Date: Mon, 17 Aug 2020 16:01:58 +0200
Subject: [PATCH] Do not require a curve for the concave case (test helper)

---
 src/sfizz/Region.cpp | 8 +++++++-
 src/sfizz/Synth.cpp  | 2 --
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/sfizz/Region.cpp b/src/sfizz/Region.cpp
index fb6ba39e..2d96835a 100644
--- a/src/sfizz/Region.cpp
+++ b/src/sfizz/Region.cpp
@@ -1518,7 +1518,13 @@ float sfz::Region::velocityCurve(float velocity) const noexcept
 {
     ASSERT(velocity >= 0.0f && velocity <= 1.0f);
 
-    float gain = std::fabs(ampVeltrack) * (1.0f - velCurve->evalNormalized(velocity));
+    float gain;
+    if (velCurve)
+        gain = velCurve->evalNormalized(velocity);
+    else
+        gain = velocity * velocity;
+
+    gain = std::fabs(ampVeltrack) * (1.0f - gain);
     gain = (ampVeltrack < 0) ? gain : (1.0f - gain);
 
     return gain;
diff --git a/src/sfizz/Synth.cpp b/src/sfizz/Synth.cpp
index 3307a8e9..9f095c4c 100644
--- a/src/sfizz/Synth.cpp
+++ b/src/sfizz/Synth.cpp
@@ -569,8 +569,6 @@ void sfz::Synth::finalizeSfzLoad()
         if (!region->velocityPoints.empty())
             region->velCurve = Curve::buildFromVelcurvePoints(
                 region->velocityPoints, Curve::Interpolator::Linear);
-        else
-            region->velCurve = resources.curves.getCurve(4);
 
         region->registerPitchWheel(0);
         region->registerAftertouch(0);