From fe0dc38f37b8f5b6d57f8e1ef3930fc106798716 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Sun, 30 Jan 2022 17:18:10 -0500
Subject: [PATCH] add VGM export warnings

---
 src/engine/engine.cpp | 5 +++++
 src/gui/gui.cpp       | 3 +++
 2 files changed, 8 insertions(+)

diff --git a/src/engine/engine.cpp b/src/engine/engine.cpp
index 9621e6cbb..37d8e0de4 100644
--- a/src/engine/engine.cpp
+++ b/src/engine/engine.cpp
@@ -2515,6 +2515,7 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop) {
   int loopEnd=0;
   walkSong(loopOrder,loopRow,loopEnd);
   logI("loop point: %d %d\n",loopOrder,loopRow);
+  warnings="";
 
   curOrder=0;
   freelance=false;
@@ -2627,6 +2628,7 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop) {
           willExport[i]=true;
           hasOPN2|=0x40000000;
           howManyChips++;
+          addWarning("adding a compound system two times is experimental!");
         }
         if (!hasSN) {
           hasSN=3579545;
@@ -2636,6 +2638,7 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop) {
           willExport[i]=true;
           hasSN|=0x40000000;
           howManyChips++;
+          addWarning("adding a compound system two times is experimental!");
         }
         break;
       case DIV_SYSTEM_SMS:
@@ -2693,6 +2696,7 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop) {
           willExport[i]=true;
           hasOPM|=0x40000000;
           howManyChips++;
+          addWarning("adding a compound system two times is experimental!");
         }
         if (!hasSegaPCM) {
           hasSegaPCM=4000000;
@@ -2703,6 +2707,7 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop) {
           willExport[i]=true;
           hasSegaPCM|=0x40000000;
           howManyChips++;
+          addWarning("adding a compound system two times is experimental!");
         }
         break;
       case DIV_SYSTEM_YM2610:
diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index 30c098c2a..f7ad18820 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -5043,6 +5043,9 @@ bool FurnaceGUI::loop() {
                 }
                 w->finish();
                 delete w;
+                if (!e->getWarnings().empty()) {
+                  showWarning(e->getWarnings(),GUI_WARN_GENERIC);
+                }
               } else {
                 showError("could not write VGM. dang it.");
               }