From 9a94f263f2656b4d5fe3f510a771c994bae5171d Mon Sep 17 00:00:00 2001
From: IAGOnGithub <122576313+IAGOnGithub@users.noreply.github.com>
Date: Mon, 14 Oct 2024 11:14:45 -0400
Subject: [PATCH] Support loopStart and loopEnd markers

Some MIDI sequencing software (Sekaiju and GBA Mus Ripper) supports or denotes loops using the `loopStart` and `loopEnd` markers. This change allows mid2agb to convert them into loopBegin and loopEnd events like it would with `[` and `]`.
---
 tools/mid2agb/midi.cpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/tools/mid2agb/midi.cpp b/tools/mid2agb/midi.cpp
index fa7d9ce28574..c54fd7f23d9f 100644
--- a/tools/mid2agb/midi.cpp
+++ b/tools/mid2agb/midi.cpp
@@ -233,10 +233,10 @@ void MakeBlockEvent(Event& event, EventType type)
 
 std::string ReadEventText()
 {
-    char buffer[2];
+    char buffer[9];
     std::uint32_t length = ReadVLQ();
 
-    if (length <= 2)
+    if (length <= 9)
     {
         if (fread(buffer, length, 1, g_inputFile) != 1)
             RaiseError("failed to read event text");
@@ -284,11 +284,11 @@ bool ReadSeqEvent(Event& event)
         // text event
         std::string text = ReadEventText();
 
-        if (text == "[")
+        if (text == "[" || text == "loopStart")
             MakeBlockEvent(event, EventType::LoopBegin);
         else if (text == "][")
             MakeBlockEvent(event, EventType::LoopEndBegin);
-        else if (text == "]")
+        else if (text == "]" || text == "loopEnd")
             MakeBlockEvent(event, EventType::LoopEnd);
         else if (text == ":")
             MakeBlockEvent(event, EventType::Label);