From 13af269adbdf3d32dec2fe5d79981877840a4e1a Mon Sep 17 00:00:00 2001
From: KillzXGaming <millernathan35@gmail.com>
Date: Mon, 19 Jun 2023 17:52:55 -0400
Subject: [PATCH] Fix animations with zero frame count saving with no animation
 data

---
 Switch_Toolbox_Library/FileFormats/Animation/ANIM.cs   | 8 +++++---
 Switch_Toolbox_Library/FileFormats/Animation/SEANIM.cs | 3 ++-
 Switch_Toolbox_Library/FileFormats/Animation/SMD.cs    | 2 +-
 3 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/Switch_Toolbox_Library/FileFormats/Animation/ANIM.cs b/Switch_Toolbox_Library/FileFormats/Animation/ANIM.cs
index 4369d7df..742d6ceb 100644
--- a/Switch_Toolbox_Library/FileFormats/Animation/ANIM.cs
+++ b/Switch_Toolbox_Library/FileFormats/Animation/ANIM.cs
@@ -213,6 +213,8 @@ namespace Toolbox.Library.Animations
 
             using (System.IO.StreamWriter file = new System.IO.StreamWriter(@fname))
             {
+                float frameCount = Math.Max(1, a.FrameCount);
+
                 AnimHeader header = new AnimHeader();
                 file.WriteLine("animVersion " + header.animVersion + ";");
                 file.WriteLine("mayaVersion " + header.mayaVersion + ";");
@@ -220,10 +222,10 @@ namespace Toolbox.Library.Animations
                 file.WriteLine("linearUnit " + header.linearUnit + ";");
                 file.WriteLine("angularUnit " + header.angularUnit + ";");
                 file.WriteLine("startTime " + 1 + ";");
-                file.WriteLine("endTime " + a.FrameCount + ";");
+                file.WriteLine("endTime " + frameCount + ";");
 
-                a.SetFrame(a.FrameCount - 1); //from last frame
-                for (int li = 0; li < a.FrameCount; ++li) //go through each frame with nextFrame
+                a.SetFrame(frameCount - 1); //from last frame
+                for (int li = 0; li < frameCount; ++li) //go through each frame with nextFrame
                     a.NextFrame(vbn, false, true);
                 a.NextFrame(vbn, false, true);  //go on first frame
 
diff --git a/Switch_Toolbox_Library/FileFormats/Animation/SEANIM.cs b/Switch_Toolbox_Library/FileFormats/Animation/SEANIM.cs
index 8d54d02e..98a7b8ab 100644
--- a/Switch_Toolbox_Library/FileFormats/Animation/SEANIM.cs
+++ b/Switch_Toolbox_Library/FileFormats/Animation/SEANIM.cs
@@ -1,6 +1,7 @@
 using SELib;
 using OpenTK;
 using System.Linq;
+using System;
 
 namespace Toolbox.Library.Animations
 {
@@ -176,7 +177,7 @@ namespace Toolbox.Library.Animations
             seAnim.AnimType = AnimationType.Absolute;
 
             anim.SetFrame(0);
-            for (int frame = 0; frame < anim.FrameCount; frame++)
+            for (int frame = 0; frame < Math.Max(1, anim.FrameCount); frame++)
             {
                 anim.SetFrame(frame);
                 anim.NextFrame();
diff --git a/Switch_Toolbox_Library/FileFormats/Animation/SMD.cs b/Switch_Toolbox_Library/FileFormats/Animation/SMD.cs
index 8e8ad860..c2ed987d 100644
--- a/Switch_Toolbox_Library/FileFormats/Animation/SMD.cs
+++ b/Switch_Toolbox_Library/FileFormats/Animation/SMD.cs
@@ -305,7 +305,7 @@ namespace Toolbox.Library.Animations
 
                 file.WriteLine("skeleton");
                 anim.SetFrame(0);
-                for (int i = 0; i <= anim.FrameCount; i++)
+                for (int i = 0; i <= Math.Max(1, anim.FrameCount); i++)
                 {
                     anim.SetFrame(i);
                     anim.NextFrame();