From d8dbd1f44c4144ab6d5924ae343f77407e5cd9c4 Mon Sep 17 00:00:00 2001
From: minenice55 <star.elementa@gmail.com>
Date: Tue, 28 Jun 2022 16:58:23 -0400
Subject: [PATCH] tempo change: clamp on scroll

---
 Assets/Scripts/LevelEditor/Timeline/TempoTimeline.cs    | 5 +++++
 Assets/Scripts/LevelEditor/Timeline/TempoTimelineObj.cs | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/Assets/Scripts/LevelEditor/Timeline/TempoTimeline.cs b/Assets/Scripts/LevelEditor/Timeline/TempoTimeline.cs
index cbd67a541..6e7a40621 100644
--- a/Assets/Scripts/LevelEditor/Timeline/TempoTimeline.cs
+++ b/Assets/Scripts/LevelEditor/Timeline/TempoTimeline.cs
@@ -72,6 +72,7 @@ namespace HeavenStudio.Editor.Track
                         GameManager.instance.Beatmap.bpm += increase;
                         UpdateStartingBPMText();
                         UpdateStartingBPMFromText(); // In case the scrolled-to value is invalid.
+                        
                     }
                 }
             }
@@ -109,6 +110,8 @@ namespace HeavenStudio.Editor.Track
 
             // In case the newBPM ended up differing from the inputted string.
             UpdateStartingBPMText();
+
+            Timeline.instance.FitToSong();
         }
 
         public void UpdateOffsetFromText()
@@ -160,6 +163,8 @@ namespace HeavenStudio.Editor.Track
             }
 
             tempoTimelineObjs.Add(tempoTimelineObj);
+
+            Timeline.instance.FitToSong();
         }
     }
 
diff --git a/Assets/Scripts/LevelEditor/Timeline/TempoTimelineObj.cs b/Assets/Scripts/LevelEditor/Timeline/TempoTimelineObj.cs
index a0edf741f..8e48f86b2 100644
--- a/Assets/Scripts/LevelEditor/Timeline/TempoTimelineObj.cs
+++ b/Assets/Scripts/LevelEditor/Timeline/TempoTimelineObj.cs
@@ -46,6 +46,10 @@ namespace HeavenStudio.Editor.Track
 
                     tempoChange.tempo += newTempo;
 
+                    //make sure tempo is positive
+                    if (tempoChange.tempo < 1)
+                        tempoChange.tempo = 1;
+
                     if (Input.GetMouseButtonDown(0))
                     {
                         Vector3 mousePos = Editor.instance.EditorCamera.ScreenToWorldPoint(Input.mousePosition);
@@ -96,6 +100,7 @@ namespace HeavenStudio.Editor.Track
         private void UpdateTempo()
         {
             tempoTXT.text = $"{tempoChange.tempo} BPM";
+            Timeline.instance.FitToSong();
         }
     }
 }
\ No newline at end of file