From 36b7c600cd2f2cbba0f4ce7aa6519ae312299316 Mon Sep 17 00:00:00 2001
From: junofern <junofern@proton.me>
Date: Fri, 4 Aug 2023 10:31:17 +0100
Subject: [PATCH 1/4] #368 hacky fix using clear()

---
 max-package/jsui/fluid.waveform~.js | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/max-package/jsui/fluid.waveform~.js b/max-package/jsui/fluid.waveform~.js
index 67b441a..b01ae17 100644
--- a/max-package/jsui/fluid.waveform~.js
+++ b/max-package/jsui/fluid.waveform~.js
@@ -269,7 +269,7 @@ function getBuffer(name)
 function bufexists(name)
 {
     var b = getBuffer(name)
-    if (b.framecount() === -1 || b === null) return false
+    if (b === null || b.framecount() === -1) return false
     return true
 }
 
@@ -296,6 +296,18 @@ function err(msg)
     error('fluid.waveform~: ' + msg + '\n')
 }
 
+function checkalllayers() {
+    alllayers.forEach(function (source)
+    {
+        if (!bufexists(source)) {
+            err('buffer' + ' "' + source + '" ' + 'no longer exists');
+            clear(); //calling clear does fix the buffer renaming bug but it's hacky
+            redrawNeeded = true;
+            return
+        }
+    })
+}
+
 function addlayer(type, source, r, g, b, a)
 {
     if (!type || !source) err('layer must have a type (symbol) and a source (buffer name)');
@@ -329,6 +341,7 @@ function addlayer(type, source, r, g, b, a)
     // discern if a new or existing layer
     if (index < 0)
     { // new
+        checkalllayers();
         var l = new LayerSpec();
         l.type = translatedType;
         l.source = source;

From 77fddff744f9b0837c092a60ff256d67854e58e7 Mon Sep 17 00:00:00 2001
From: junofern <junofern@proton.me>
Date: Fri, 4 Aug 2023 10:38:39 +0100
Subject: [PATCH 2/4] duplicate redrawNeeded asignment removed

---
 max-package/jsui/fluid.waveform~.js | 1 -
 1 file changed, 1 deletion(-)

diff --git a/max-package/jsui/fluid.waveform~.js b/max-package/jsui/fluid.waveform~.js
index b01ae17..38efaa4 100644
--- a/max-package/jsui/fluid.waveform~.js
+++ b/max-package/jsui/fluid.waveform~.js
@@ -302,7 +302,6 @@ function checkalllayers() {
         if (!bufexists(source)) {
             err('buffer' + ' "' + source + '" ' + 'no longer exists');
             clear(); //calling clear does fix the buffer renaming bug but it's hacky
-            redrawNeeded = true;
             return
         }
     })

From 2b86a1aa12a198aee795931e1d46561ad168bfbf Mon Sep 17 00:00:00 2001
From: junofern <junofern@proton.me>
Date: Fri, 4 Aug 2023 11:09:28 +0100
Subject: [PATCH 3/4] unecessary return

---
 max-package/jsui/fluid.waveform~.js | 1 -
 1 file changed, 1 deletion(-)

diff --git a/max-package/jsui/fluid.waveform~.js b/max-package/jsui/fluid.waveform~.js
index 38efaa4..da21d11 100644
--- a/max-package/jsui/fluid.waveform~.js
+++ b/max-package/jsui/fluid.waveform~.js
@@ -302,7 +302,6 @@ function checkalllayers() {
         if (!bufexists(source)) {
             err('buffer' + ' "' + source + '" ' + 'no longer exists');
             clear(); //calling clear does fix the buffer renaming bug but it's hacky
-            return
         }
     })
 }

From c41fd515cd440940be57235dd1967a515430d376 Mon Sep 17 00:00:00 2001
From: junofern <junofern@proton.me>
Date: Fri, 4 Aug 2023 11:10:16 +0100
Subject: [PATCH 4/4] catching same bug from another function

---
 max-package/jsui/fluid.waveform~.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/max-package/jsui/fluid.waveform~.js b/max-package/jsui/fluid.waveform~.js
index da21d11..1bfc19c 100644
--- a/max-package/jsui/fluid.waveform~.js
+++ b/max-package/jsui/fluid.waveform~.js
@@ -464,6 +464,7 @@ function addmarkers(source, reference)
     const index = find(source);
     if (index < 0)
     {
+        checkalllayers();
         var l = new MarkersSpec(source, reference) //markerdata,fs,referenceLength)  
         l.type = 'markers';
         markerlayers.push(l);