makes sure input is specified before checking other arguments now.

RecrownedAthenaeum.ConsoleTools/TextureAtlasTools/TexturePackerCommand.cs

@@ -41,6 +41,8 @@ namespace RecrownedAthenaeum.Tools.TextureAtlasTools
                     texturePacker = new TexturePacker((arguments[i + 1]));
                 }
             }
+            if (texturePacker != null)
+            {
                 texturePacker.Build();
 
                 for (int i = 0; i < arguments.Length; i++)
@@ -52,7 +54,8 @@ namespace RecrownedAthenaeum.Tools.TextureAtlasTools
                         try
                         {
                             texturePacker.SetNinePatch(nPatchArgs[0], int.Parse(nPatchArgs[1]), int.Parse(nPatchArgs[2]), int.Parse(nPatchArgs[3]), int.Parse(nPatchArgs[4]));
-                    } catch (FormatException)
+                        }
+                        catch (FormatException)
                         {
                             throw new ArgumentException("-9p argument parameters must be in the format \"-9p textureName,a,b,c,d\" where a, b, c, and d are integers definining the border regions for the 9patch.");
                         }
@@ -73,6 +76,10 @@ namespace RecrownedAthenaeum.Tools.TextureAtlasTools
                         throw new ArgumentException("no -o argument found to specify output.");
                     }
                 }
+            } else
+            {
+                throw new ArgumentException("-i not specified.");
+            }
         }
     }
 }