示例#1
0
        public void DrawVariablesGUI()
        {
            FungusScript t = target as FungusScript;

            ReorderableListGUI.Title("Variables");

            VariableListAdaptor adaptor = new VariableListAdaptor(variablesProp, 0);

            ReorderableListControl.DrawControlFromState(adaptor, null, ReorderableListFlags.DisableContextMenu | ReorderableListFlags.HideAddButton);

            GUILayout.BeginHorizontal();
            GUILayout.FlexibleSpace();

            if (!Application.isPlaying && GUILayout.Button("Add Variable"))
            {
                GenericMenu menu = new GenericMenu();

                menu.AddItem(new GUIContent("Boolean"), false, AddVariable <BooleanVariable>, t);
                menu.AddItem(new GUIContent("Integer"), false, AddVariable <IntegerVariable>, t);
                menu.AddItem(new GUIContent("Float"), false, AddVariable <FloatVariable>, t);
                menu.AddItem(new GUIContent("String"), false, AddVariable <StringVariable>, t);

                menu.ShowAsContext();
            }
            GUILayout.EndHorizontal();
        }
示例#2
0
 /// <summary>
 /// Draw list field control for adapted collection.
 /// </summary>
 /// <param name="position">Position of control.</param>
 /// <param name="adaptor">Reorderable list adaptor.</param>
 /// <param name="drawEmpty">Callback to draw custom content for empty list (optional).</param>
 /// <param name="flags">Optional flags to pass into list field.</param>
 private static void DoListFieldAbsolute(Rect position, IReorderableListAdaptor adaptor, ReorderableListControl.DrawEmptyAbsolute drawEmpty, ReorderableListFlags flags = 0)
 {
     ReorderableListControl.DrawControlFromState(position, adaptor, drawEmpty, flags);
 }
示例#3
0
 /// <summary>
 /// Draw list field control for adapted collection.
 /// </summary>
 /// <param name="adaptor">Reorderable list adaptor.</param>
 /// <param name="drawEmpty">Callback to draw custom content for empty list (optional).</param>
 /// <param name="flags">Optional flags to pass into list field.</param>
 private static void DoListField(IReorderableListAdaptor adaptor, ReorderableListControl.DrawEmpty drawEmpty, ReorderableListFlags flags = 0)
 {
     ReorderableListControl.DrawControlFromState(adaptor, drawEmpty, flags);
 }
示例#4
0
        /// <summary>
        /// Draw list field control for serializable property array.
        /// </summary>
        /// <param name="position">Position of control.</param>
        /// <param name="arrayProperty">Serializable property.</param>
        /// <param name="fixedItemHeight">Use fixed height for items rather than <see cref="UnityEditor.EditorGUI.GetPropertyHeight(SerializedProperty)"/>.</param>
        /// <param name="drawEmpty">Callback to draw custom content for empty list (optional).</param>
        /// <param name="flags">Optional flags to pass into list field.</param>
        private static void DoListFieldAbsolute(Rect position, SerializedProperty arrayProperty, float fixedItemHeight, ReorderableListControl.DrawEmptyAbsolute drawEmpty, ReorderableListFlags flags)
        {
            var adaptor = new SerializedPropertyAdaptor(arrayProperty, fixedItemHeight);

            ReorderableListControl.DrawControlFromState(position, adaptor, drawEmpty, flags);
        }
示例#5
0
        /// <summary>
        /// Draw list field control with absolute positioning.
        /// </summary>
        /// <param name="position">Position of control.</param>
        /// <param name="list">The list which can be reordered.</param>
        /// <param name="drawItem">Callback to draw list item.</param>
        /// <param name="drawEmpty">Callback to draw custom content for empty list (optional).</param>
        /// <param name="itemHeight">Height of a single list item.</param>
        /// <param name="flags">Optional flags to pass into list field.</param>
        /// <typeparam name="T">Type of list item.</typeparam>
        private static void DoListFieldAbsolute <T>(Rect position, IList <T> list, ReorderableListControl.ItemDrawer <T> drawItem, ReorderableListControl.DrawEmptyAbsolute drawEmpty, float itemHeight, ReorderableListFlags flags)
        {
            var adaptor = new GenericListAdaptor <T>(list, drawItem, itemHeight);

            ReorderableListControl.DrawControlFromState(position, adaptor, drawEmpty, flags);
        }
示例#6
0
        /// <summary>
        /// Draw list field control.
        /// </summary>
        /// <param name="list">The list which can be reordered.</param>
        /// <param name="drawItem">Callback to draw list item.</param>
        /// <param name="drawEmpty">Callback to draw custom content for empty list (optional).</param>
        /// <param name="itemHeight">Height of a single list item.</param>
        /// <param name="flags">Optional flags to pass into list field.</param>
        /// <typeparam name="T">Type of list item.</typeparam>
        private static void DoListField <T>(IList <T> list, ReorderableListControl.ItemDrawer <T> drawItem, ReorderableListControl.DrawEmpty drawEmpty, float itemHeight, ReorderableListFlags flags)
        {
            var adaptor = new GenericListAdaptor <T>(list, drawItem, itemHeight);

            ReorderableListControl.DrawControlFromState(adaptor, drawEmpty, flags);
        }
        public virtual void DrawVariablesGUI()
        {
            serializedObject.Update();

            var t = target as Flowchart;

            if (t.Variables.Count == 0)
            {
                t.VariablesExpanded = true;
            }

            if (!t.VariablesExpanded)
            {
                if (GUILayout.Button("Variables (" + t.Variables.Count + ")", GUILayout.Height(24)))
                {
                    t.VariablesExpanded = true;
                }

                // Draw disclosure triangle
                Rect lastRect = GUILayoutUtility.GetLastRect();
                lastRect.x += 5;
                lastRect.y += 5;
                EditorGUI.Foldout(lastRect, false, "");
            }
            else
            {
                Rect listRect = new Rect();

                if (t.Variables.Count > 0)
                {
                    // Remove any null variables from the list
                    // Can sometimes happen when upgrading to a new version of Fungus (if .meta GUID changes for a variable class)
                    for (int i = t.Variables.Count - 1; i >= 0; i--)
                    {
                        if (t.Variables[i] == null)
                        {
                            t.Variables.RemoveAt(i);
                        }
                    }

                    ReorderableListGUI.Title("Variables");
                    VariableListAdaptor adaptor = new VariableListAdaptor(variablesProp, 0);

                    ReorderableListFlags flags = ReorderableListFlags.DisableContextMenu | ReorderableListFlags.HideAddButton;

                    ReorderableListControl.DrawControlFromState(adaptor, null, flags);
                    listRect = GUILayoutUtility.GetLastRect();
                }
                else
                {
                    GUILayoutUtility.GetRect(300, 24);
                    listRect    = GUILayoutUtility.GetLastRect();
                    listRect.y += 20;
                }

                float plusWidth  = 32;
                float plusHeight = 24;

                Rect  buttonRect   = listRect;
                float buttonHeight = 24;
                buttonRect.x      = 4;
                buttonRect.y     -= buttonHeight - 1;
                buttonRect.height = buttonHeight;
                if (!Application.isPlaying)
                {
                    buttonRect.width -= 30;
                }

                if (GUI.Button(buttonRect, "Variables"))
                {
                    t.VariablesExpanded = false;
                }

                // Draw disclosure triangle
                Rect lastRect = buttonRect;
                lastRect.x += 5;
                lastRect.y += 5;
                EditorGUI.Foldout(lastRect, true, "");

                Rect plusRect = listRect;
                plusRect.x     += plusRect.width - plusWidth;
                plusRect.y     -= plusHeight - 1;
                plusRect.width  = plusWidth;
                plusRect.height = plusHeight;

                if (!Application.isPlaying &&
                    GUI.Button(plusRect, addTexture))
                {
                    GenericMenu        menu  = new GenericMenu();
                    List <System.Type> types = FindAllDerivedTypes <Variable>();

                    // Add variable types without a category
                    foreach (var type in types)
                    {
                        VariableInfoAttribute variableInfo = VariableEditor.GetVariableInfo(type);
                        if (variableInfo == null ||
                            variableInfo.Category != "")
                        {
                            continue;
                        }

                        AddVariableInfo addVariableInfo = new AddVariableInfo();
                        addVariableInfo.flowchart    = t;
                        addVariableInfo.variableType = type;

                        GUIContent typeName = new GUIContent(variableInfo.VariableType);

                        menu.AddItem(typeName, false, AddVariable, addVariableInfo);
                    }

                    // Add types with a category
                    foreach (var type in types)
                    {
                        VariableInfoAttribute variableInfo = VariableEditor.GetVariableInfo(type);
                        if (variableInfo == null ||
                            variableInfo.Category == "")
                        {
                            continue;
                        }

                        AddVariableInfo info = new AddVariableInfo();
                        info.flowchart    = t;
                        info.variableType = type;

                        GUIContent typeName = new GUIContent(variableInfo.Category + "/" + variableInfo.VariableType);

                        menu.AddItem(typeName, false, AddVariable, info);
                    }

                    menu.ShowAsContext();
                }
            }

            serializedObject.ApplyModifiedProperties();
        }
        public virtual void DrawBlockGUI(Flowchart flowchart)
        {
            serializedObject.Update();

            // Execute any queued cut, copy, paste, etc. operations from the prevous GUI update
            // We need to defer applying these operations until the following update because
            // the ReorderableList control emits GUI errors if you clear the list in the same frame
            // as drawing the control (e.g. select all and then delete)
            if (Event.current.type == EventType.Layout)
            {
                foreach (Action action in actionList)
                {
                    if (action != null)
                    {
                        action();
                    }
                }
                actionList.Clear();
            }

            var block = target as Block;

            SerializedProperty commandListProperty = serializedObject.FindProperty("commandList");

            if (block == flowchart.SelectedBlock)
            {
                SerializedProperty descriptionProp = serializedObject.FindProperty("description");
                EditorGUILayout.PropertyField(descriptionProp);

                DrawEventHandlerGUI(flowchart);

                block.UpdateIndentLevels();

                // Make sure each command has a reference to its parent block
                foreach (var command in block.CommandList)
                {
                    if (command == null) // Will be deleted from the list later on
                    {
                        continue;
                    }
                    command.ParentBlock = block;
                }

                ReorderableListGUI.Title("Commands");
                CommandListAdaptor adaptor = new CommandListAdaptor(commandListProperty, 0);
                adaptor.nodeRect = block._NodeRect;

                ReorderableListFlags flags = ReorderableListFlags.HideAddButton | ReorderableListFlags.HideRemoveButtons | ReorderableListFlags.DisableContextMenu;

                if (block.CommandList.Count == 0)
                {
                    EditorGUILayout.HelpBox("Press the + button below to add a command to the list.", MessageType.Info);
                }
                else
                {
                    ReorderableListControl.DrawControlFromState(adaptor, null, flags);
                }

                // EventType.contextClick doesn't register since we moved the Block Editor to be inside
                // a GUI Area, no idea why. As a workaround we just check for right click instead.
                if (Event.current.type == EventType.MouseUp &&
                    Event.current.button == 1)
                {
                    ShowContextMenu();
                    Event.current.Use();
                }

                if (GUIUtility.keyboardControl == 0) //Only call keyboard shortcuts when not typing in a text field
                {
                    Event e = Event.current;

                    // Copy keyboard shortcut
                    if (e.type == EventType.ValidateCommand && e.commandName == "Copy")
                    {
                        if (flowchart.SelectedCommands.Count > 0)
                        {
                            e.Use();
                        }
                    }

                    if (e.type == EventType.ExecuteCommand && e.commandName == "Copy")
                    {
                        actionList.Add(Copy);
                        e.Use();
                    }

                    // Cut keyboard shortcut
                    if (e.type == EventType.ValidateCommand && e.commandName == "Cut")
                    {
                        if (flowchart.SelectedCommands.Count > 0)
                        {
                            e.Use();
                        }
                    }

                    if (e.type == EventType.ExecuteCommand && e.commandName == "Cut")
                    {
                        actionList.Add(Cut);
                        e.Use();
                    }

                    // Paste keyboard shortcut
                    if (e.type == EventType.ValidateCommand && e.commandName == "Paste")
                    {
                        CommandCopyBuffer commandCopyBuffer = CommandCopyBuffer.GetInstance();
                        if (commandCopyBuffer.HasCommands())
                        {
                            e.Use();
                        }
                    }

                    if (e.type == EventType.ExecuteCommand && e.commandName == "Paste")
                    {
                        actionList.Add(Paste);
                        e.Use();
                    }

                    // Duplicate keyboard shortcut
                    if (e.type == EventType.ValidateCommand && e.commandName == "Duplicate")
                    {
                        if (flowchart.SelectedCommands.Count > 0)
                        {
                            e.Use();
                        }
                    }

                    if (e.type == EventType.ExecuteCommand && e.commandName == "Duplicate")
                    {
                        actionList.Add(Copy);
                        actionList.Add(Paste);
                        e.Use();
                    }

                    // Delete keyboard shortcut
                    if (e.type == EventType.ValidateCommand && e.commandName == "Delete")
                    {
                        if (flowchart.SelectedCommands.Count > 0)
                        {
                            e.Use();
                        }
                    }

                    if (e.type == EventType.ExecuteCommand && e.commandName == "Delete")
                    {
                        actionList.Add(Delete);
                        e.Use();
                    }

                    // SelectAll keyboard shortcut
                    if (e.type == EventType.ValidateCommand && e.commandName == "SelectAll")
                    {
                        e.Use();
                    }

                    if (e.type == EventType.ExecuteCommand && e.commandName == "SelectAll")
                    {
                        actionList.Add(SelectAll);
                        e.Use();
                    }
                }
            }

            // Remove any null entries in the command list.
            // This can happen when a command class is deleted or renamed.
            for (int i = commandListProperty.arraySize - 1; i >= 0; --i)
            {
                SerializedProperty commandProperty = commandListProperty.GetArrayElementAtIndex(i);
                if (commandProperty.objectReferenceValue == null)
                {
                    commandListProperty.DeleteArrayElementAtIndex(i);
                }
            }

            serializedObject.ApplyModifiedProperties();
        }
示例#9
0
        public virtual void DrawVariablesGUI()
        {
            serializedObject.Update();

            FungusScript t = target as FungusScript;

            if (t.variables.Count == 0)
            {
                t.variablesExpanded = true;
            }

            if (!t.variablesExpanded)
            {
                if (GUILayout.Button("Variables (" + t.variables.Count + ")", GUILayout.Height(24)))
                {
                    t.variablesExpanded = true;
                }
            }
            else
            {
                Rect listRect = new Rect();

                if (t.variables.Count > 0)
                {
                    ReorderableListGUI.Title("Variables");
                    VariableListAdaptor adaptor = new VariableListAdaptor(variablesProp, 0);

                    ReorderableListFlags flags = ReorderableListFlags.DisableContextMenu | ReorderableListFlags.HideAddButton;

                    ReorderableListControl.DrawControlFromState(adaptor, null, flags);
                    listRect = GUILayoutUtility.GetLastRect();
                }
                else
                {
                    GUILayoutUtility.GetRect(300, 24);
                    listRect    = GUILayoutUtility.GetLastRect();
                    listRect.y += 20;
                }

                float plusWidth  = 32;
                float plusHeight = 24;

                Rect  buttonRect   = listRect;
                float buttonHeight = 24;
                buttonRect.x      = 4;
                buttonRect.y     -= buttonHeight - 1;
                buttonRect.height = buttonHeight;
                if (!Application.isPlaying)
                {
                    buttonRect.width -= 30;
                }

                if (GUI.Button(buttonRect, "Variables"))
                {
                    t.variablesExpanded = false;
                }

                Rect plusRect = listRect;
                plusRect.x     += plusRect.width - plusWidth;
                plusRect.y     -= plusHeight - 1;
                plusRect.width  = plusWidth;
                plusRect.height = plusHeight;

                if (!Application.isPlaying &&
                    GUI.Button(plusRect, FungusEditorResources.texAddButton))
                {
                    GenericMenu        menu  = new GenericMenu();
                    List <System.Type> types = FindAllDerivedTypes <Variable>();

                    // Add variable types without a category
                    foreach (System.Type type in types)
                    {
                        VariableInfoAttribute variableInfo = VariableEditor.GetVariableInfo(type);
                        if (variableInfo == null ||
                            variableInfo.Category != "")
                        {
                            continue;
                        }

                        AddVariableInfo addVariableInfo = new AddVariableInfo();
                        addVariableInfo.fungusScript = t;
                        addVariableInfo.variableType = type;

                        GUIContent typeName = new GUIContent(variableInfo.VariableType);

                        menu.AddItem(typeName, false, AddVariable, addVariableInfo);
                    }

                    // Add types with a category
                    foreach (System.Type type in types)
                    {
                        VariableInfoAttribute variableInfo = VariableEditor.GetVariableInfo(type);
                        if (variableInfo == null ||
                            variableInfo.Category == "")
                        {
                            continue;
                        }

                        AddVariableInfo info = new AddVariableInfo();
                        info.fungusScript = t;
                        info.variableType = type;

                        GUIContent typeName = new GUIContent(variableInfo.Category + "/" + variableInfo.VariableType);

                        menu.AddItem(typeName, false, AddVariable, info);
                    }

                    menu.ShowAsContext();
                }
            }

            serializedObject.ApplyModifiedProperties();
        }
示例#10
0
        public void DrawSequenceGUI(FungusScript fungusScript)
        {
            if (fungusScript.selectedSequence == null)
            {
                return;
            }

            serializedObject.Update();

            Sequence sequence = fungusScript.selectedSequence;

            EditorGUI.BeginChangeCheck();
            string sequenceName = EditorGUILayout.TextField(new GUIContent("Name", "Name of sequence object"), sequence.gameObject.name);

            if (EditorGUI.EndChangeCheck())
            {
                Undo.RecordObject(sequence.gameObject, "Set Sequence Name");
                sequence.gameObject.name = sequenceName;
            }

            EditorGUILayout.PropertyField(descriptionProp);

            EditorGUILayout.Separator();

            UpdateIndentLevels(sequence);

            ReorderableListGUI.Title("Command Sequence");
            SerializedProperty commandListProperty = serializedObject.FindProperty("commandList");
            CommandListAdaptor adaptor             = new CommandListAdaptor(commandListProperty, 0);

            ReorderableListControl.DrawControlFromState(adaptor, null, 0);

            if (Application.isPlaying)
            {
                serializedObject.ApplyModifiedProperties();
                return;
            }

            EditorGUILayout.BeginHorizontal();

            GUILayout.FlexibleSpace();

            if (fungusScript.copyCommand != null)
            {
                if (GUILayout.Button("Paste"))
                {
                    fungusScript.selectedCommand = CommandEditor.PasteCommand(fungusScript.copyCommand, fungusScript.selectedSequence);
                }
            }

            EditorGUILayout.EndHorizontal();

            if (fungusScript.selectedCommand != null)
            {
                CommandInfoAttribute infoAttr = CommandEditor.GetCommandInfo(fungusScript.selectedCommand.GetType());
                if (infoAttr != null)
                {
                    EditorGUILayout.HelpBox(infoAttr.HelpText, MessageType.Info);
                }
            }

            serializedObject.ApplyModifiedProperties();
        }
示例#11
0
 /// <summary>
 /// Draw list field control for adapted collection.
 /// </summary>
 /// <param name="position">Position of control.</param>
 /// <param name="adaptor">Reorderable list adaptor.</param>
 /// <param name="drawEmpty">Callback to draw custom content for empty list (optional).</param>
 /// <param name="flags">Optional flags to pass into list field.</param>
 private static void DoListFieldAbsolute(Rect position, IReorderableListAdaptor adaptor, ReorderableListControl.DrawEmptyAbsolute drawEmpty, [System.ComponentModel.DefaultValue(0)] ReorderableListFlags flags)
 {
     ReorderableListControl.DrawControlFromState(position, adaptor, drawEmpty, flags);
 }
示例#12
0
 /// <summary>
 /// Draw list field control for adapted collection.
 /// </summary>
 /// <param name="adaptor">Reorderable list adaptor.</param>
 /// <param name="drawEmpty">Callback to draw custom content for empty list (optional).</param>
 /// <param name="flags">Optional flags to pass into list field.</param>
 private static void DoListField(IReorderableListAdaptor adaptor, ReorderableListControl.DrawEmpty drawEmpty, [System.ComponentModel.DefaultValue(0)] ReorderableListFlags flags)
 {
     ReorderableListControl.DrawControlFromState(adaptor, drawEmpty, flags);
 }
示例#13
0
        /// <summary>
        /// Draw list field control for serializable property array.
        /// </summary>
        /// <param name="arrayProperty">Serializable property.</param>
        /// <param name="fixedItemHeight">Use fixed height for items rather than <see cref="UnityEditor.EditorGUI.GetPropertyHeight(SerializedProperty)"/>.</param>
        /// <param name="drawEmpty">Callback to draw custom content for empty list (optional).</param>
        /// <param name="flags">Optional flags to pass into list field.</param>
        private static void DoListField(SerializedProperty arrayProperty, float fixedItemHeight, ReorderableListControl.DrawEmpty drawEmpty, ReorderableListFlags flags)
        {
            var adaptor = new SerializedPropertyAdapter(arrayProperty, fixedItemHeight);

            ReorderableListControl.DrawControlFromState(adaptor, drawEmpty, flags);
        }
示例#14
0
        public virtual void DrawSequenceGUI(FungusScript fungusScript)
        {
            serializedObject.Update();

            Sequence sequence = target as Sequence;

            SerializedProperty descriptionProp = serializedObject.FindProperty("description");

            EditorGUILayout.PropertyField(descriptionProp);

            SerializedProperty runSlowInEditorProp = serializedObject.FindProperty("runSlowInEditor");

            EditorGUILayout.PropertyField(runSlowInEditorProp);

            DrawEventHandlerGUI(fungusScript);

            UpdateIndentLevels(sequence);

            SerializedProperty sequenceNameProperty = serializedObject.FindProperty("sequenceName");
            Rect sequenceLabelRect = new Rect(45, 5, 120, 16);

            EditorGUI.LabelField(sequenceLabelRect, new GUIContent("Sequence Name"));
            Rect sequenceNameRect = new Rect(45, 21, 180, 16);

            EditorGUI.PropertyField(sequenceNameRect, sequenceNameProperty, new GUIContent(""));

            // Ensure sequence name is unique for this Fungus Script
            string uniqueName = fungusScript.GetUniqueSequenceKey(sequenceNameProperty.stringValue, sequence);

            if (uniqueName != sequence.sequenceName)
            {
                sequenceNameProperty.stringValue = uniqueName;
            }

            // Make sure each command has a reference to its parent sequence
            foreach (Command command in sequence.commandList)
            {
                if (command == null)                 // Will be deleted from the list later on
                {
                    continue;
                }
                command.parentSequence = sequence;
            }

            SerializedProperty commandListProperty = serializedObject.FindProperty("commandList");

            ReorderableListGUI.Title("Commands");
            CommandListAdaptor adaptor = new CommandListAdaptor(commandListProperty, 0);

            adaptor.nodeRect = sequence.nodeRect;

            ReorderableListFlags flags = ReorderableListFlags.HideAddButton | ReorderableListFlags.HideRemoveButtons | ReorderableListFlags.DisableContextMenu;

            ReorderableListControl.DrawControlFromState(adaptor, null, flags);

            if (Event.current.type == EventType.ContextClick)
            {
                ShowContextMenu();
            }

            if (sequence == fungusScript.selectedSequence)
            {
                // Show add command button
                {
                    GUILayout.BeginHorizontal();

                    // Up Button
                    Texture2D upIcon = Resources.Load("Icons/up") as Texture2D;
                    if (GUILayout.Button(upIcon))
                    {
                        SelectPrevious();
                    }
                    // Down Button
                    Texture2D downIcon = Resources.Load("Icons/down") as Texture2D;
                    if (GUILayout.Button(downIcon))
                    {
                        SelectNext();
                    }

                    GUILayout.FlexibleSpace();

                    // Add Button
                    Texture2D addIcon = Resources.Load("Icons/add") as Texture2D;
                    if (GUILayout.Button(addIcon) || ((Event.current.type == EventType.KeyDown) && (Event.current.keyCode == KeyCode.A)))
                    {
                        ShowCommandMenu();
                    }

                    // Duplicate Button
                    Texture2D duplicateIcon = Resources.Load("Icons/duplicate") as Texture2D;
                    if (GUILayout.Button(duplicateIcon))
                    {
                        Copy();
                        Paste();
                    }

                    // Delete Button
                    Texture2D deleteIcon = Resources.Load("Icons/delete") as Texture2D;
                    if (GUILayout.Button(deleteIcon) || ((Event.current.type == EventType.KeyDown) && (Event.current.keyCode == KeyCode.Delete)))
                    {
                        Delete();
                    }

                    GUILayout.EndHorizontal();
                }
            }

            // Remove any null entries in the command list.
            // This can happen when a command class is deleted or renamed.
            for (int i = commandListProperty.arraySize - 1; i >= 0; --i)
            {
                SerializedProperty commandProperty = commandListProperty.GetArrayElementAtIndex(i);
                if (commandProperty.objectReferenceValue == null)
                {
                    commandListProperty.DeleteArrayElementAtIndex(i);
                }
            }

            serializedObject.ApplyModifiedProperties();
        }