LayerEffectData fixes

UndertaleModLib/Models/UndertaleRoom.cs

@@ -1370,7 +1370,13 @@ public void Unserialize(UndertaleReader reader)
                 case LayerType.Tiles: Data = reader.ReadUndertaleObject<LayerTilesData>(); break;
                 case LayerType.Background: Data = reader.ReadUndertaleObject<LayerBackgroundData>(); break;
                 case LayerType.Assets: Data = reader.ReadUndertaleObject<LayerAssetsData>(); break;
-                case LayerType.Effect: Data = reader.ReadUndertaleObject<LayerEffectData>(); break;
+                case LayerType.Effect:
+                    // Because effect data is empty in 2022.1+, it would erroneously read the next object.
+                    Data =
+                        reader.undertaleData.GMS2022_1
+                        ? new LayerEffectData() { EffectType = EffectType, Properties = EffectProperties }
+                        : reader.ReadUndertaleObject<LayerEffectData>();
+                    break;
                 default: throw new Exception("Unsupported layer type " + LayerType);
             }
         }

UndertaleModTool/Editors/UndertaleRoomEditor.xaml

@@ -241,6 +241,11 @@
                                         <TextBlock Text="{Binding LayerName.Content, Mode=OneWay}" />
                                     </HierarchicalDataTemplate>
                                 </local:LayerDataTemplateSelector.BackgroundDataTemplate>
+                                <local:LayerDataTemplateSelector.EffectDataTemplate>
+                                    <HierarchicalDataTemplate ItemTemplateSelector="{x:Null}">
+                                        <TextBlock Text="{Binding LayerName.Content, Mode=OneWay}" />
+                                    </HierarchicalDataTemplate>
+                                </local:LayerDataTemplateSelector.EffectDataTemplate>
                             </local:LayerDataTemplateSelector>
                         </TreeViewItem.ItemTemplateSelector>
                     </TreeViewItem>

UndertaleModTool/Editors/UndertaleRoomEditor.xaml.cs

@@ -1264,20 +1264,20 @@ public void Command_Paste(object sender, ExecutedRoutedEventArgs e)
                     {
                         baseName = name[..^numMatch.Length];
                         nameNum = Int32.Parse(numMatch.Groups[0].Value) + 1;
-
-                        name = baseName + nameNum;
                     }
                     // Name doesn't have a trailing number, so it's the first duplicate.
-                    // Thus we append append "1" to it ("name" -> "name1")
+                    // Thus we set baseName and nameNum to produce "name1" on the next loop.
                     else
-                        name += "1";
+                    {
+                        baseName = name;
+                        nameNum = 1;
+                    }
                 }
                 // If base name is already extracted, increment "nameNum" and append it to the base name
                 else
-                {
                     nameNum++;
-                    name = baseName + nameNum;
-                }
+                // Update name using baseName and nameNum
+                name = baseName + nameNum;
             }
 
             Layer layer = new()
@@ -1730,6 +1730,7 @@ public class LayerDataTemplateSelector : DataTemplateSelector
         public DataTemplate TilesDataTemplate { get; set; }
         public DataTemplate AssetsDataTemplate { get; set; }
         public DataTemplate BackgroundDataTemplate { get; set; }
+        public DataTemplate EffectDataTemplate { get; set; }
 
         public override DataTemplate SelectTemplate(object item, DependencyObject container)
         {
@@ -1745,6 +1746,8 @@ public override DataTemplate SelectTemplate(object item, DependencyObject contai
                         return AssetsDataTemplate;
                     case LayerType.Background:
                         return BackgroundDataTemplate;
+                    case LayerType.Effect:
+                        return EffectDataTemplate;
                 }
             }