Rewrite InteractiveUnityStruct, now called InteractiveFloatStruct

InteractiveFloatStruct supports any struct where all the fields are floats.

Author: sinai-dev

src/UI/InteractiveValues/InteractiveFlags.cs

@@ -48,6 +48,8 @@ public override void RefreshUIForValue()
             GetDefaultLabel();
             m_baseLabel.text = DefaultLabel;
 
+            base.RefreshUIForValue();
+
             if (m_subContentConstructed)
             {
                 for (int i = 0; i < m_values.Length; i++)

src/UI/InteractiveValues/InteractiveFloatStruct.cs

@@ -0,0 +1,198 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using UnityEngine;
+using UnityEngine.UI;
+using System.Reflection;
+
+namespace UnityExplorer.UI.InteractiveValues
+{
+    // Class for supporting any "float struct" (ie Vector, Rect, etc).
+    // Supports any struct where all the public instance fields are floats (or types assignable to float)
+
+    public class StructInfo
+    {
+        public string[] FieldNames { get; }
+        private readonly FieldInfo[] m_fields;
+
+        public StructInfo(Type type)
+        {
+            m_fields = type.GetFields(BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public)
+                           .Where(it => !it.IsLiteral)
+                           .ToArray();
+
+            FieldNames = m_fields.Select(it => it.Name)
+                                 .ToArray();
+        }
+
+        public object SetValue(ref object instance, int fieldIndex, float val)
+        {
+            m_fields[fieldIndex].SetValue(instance, val);
+            return instance;
+        }
+
+        public float GetValue(object instance, int fieldIndex)
+            => (float)m_fields[fieldIndex].GetValue(instance);
+
+        public void RefreshUI(InputField[] inputs, object instance)
+        {
+            try
+            {
+                for (int i = 0; i < m_fields.Length; i++)
+                {
+                    var field = m_fields[i];
+                    float val = (float)field.GetValue(instance);
+                    inputs[i].text = val.ToString();
+                }
+            }
+            catch (Exception ex)
+            {
+                ExplorerCore.Log(ex);
+            }
+        }
+    }
+
+    public class InteractiveFloatStruct : InteractiveValue
+    {
+        private static readonly Dictionary<string, bool> _typeSupportCache = new Dictionary<string, bool>();
+        public static bool IsTypeSupported(Type type)
+        {
+            if (!type.IsValueType)
+                return false;
+
+            if (_typeSupportCache.TryGetValue(type.AssemblyQualifiedName, out bool ret))
+                return ret;
+
+            ret = true;
+            var fields = type.GetFields(BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public);
+            foreach (var field in fields)
+            {
+                if (field.IsLiteral)
+                    continue;
+
+                if (!typeof(float).IsAssignableFrom(field.FieldType))
+                {
+                    ret = false;
+                    break;
+                }
+            }
+            _typeSupportCache.Add(type.AssemblyQualifiedName, ret);
+            return ret;
+        }
+
+        //~~~~~~~~~ Instance ~~~~~~~~~~
+
+        public InteractiveFloatStruct(object value, Type valueType) : base(value, valueType) { }
+
+        public override bool HasSubContent => true;
+        public override bool SubContentWanted => true;
+
+        public StructInfo StructInfo;
+
+        public override void RefreshUIForValue()
+        {
+            InitializeStructInfo();
+
+            base.RefreshUIForValue();
+
+            if (m_subContentConstructed)
+                StructInfo.RefreshUI(m_inputs, this.Value);
+        }
+
+        internal override void OnToggleSubcontent(bool toggle)
+        {
+            InitializeStructInfo();
+
+            base.OnToggleSubcontent(toggle);
+
+            StructInfo.RefreshUI(m_inputs, this.Value);
+        }
+
+        internal Type m_lastStructType;
+
+        internal void InitializeStructInfo()
+        {
+            var type = Value?.GetType() ?? FallbackType;
+
+            if (StructInfo != null && type == m_lastStructType)
+                return;
+
+            if (StructInfo != null && m_subContentConstructed)
+                DestroySubContent();
+
+            m_lastStructType = type;
+
+            StructInfo = new StructInfo(type);
+
+            if (m_subContentParent.activeSelf)
+                ConstructSubcontent();
+        }
+
+        #region UI CONSTRUCTION
+
+        internal InputField[] m_inputs;
+
+        public override void ConstructUI(GameObject parent, GameObject subGroup)
+        {
+            base.ConstructUI(parent, subGroup);
+        }
+
+        public override void ConstructSubcontent()
+        {
+            base.ConstructSubcontent();
+
+            if (StructInfo == null)
+            {
+                ExplorerCore.LogWarning("Setting up subcontent but structinfo is null");
+                return;
+            }
+
+            var editorContainer = UIFactory.CreateVerticalGroup(m_subContentParent, "EditorContent", false, true, true, true, 2, new Vector4(4, 4, 4, 4),
+                new Color(0.08f, 0.08f, 0.08f));
+
+            m_inputs = new InputField[StructInfo.FieldNames.Length];
+
+            for (int i = 0; i < StructInfo.FieldNames.Length; i++)
+                AddEditorRow(i, editorContainer);
+
+            RefreshUIForValue();
+        }
+
+        internal void AddEditorRow(int index, GameObject groupObj)
+        {
+            try
+            {
+                var row = UIFactory.CreateHorizontalGroup(groupObj, "EditorRow", false, true, true, true, 5, default, new Color(1, 1, 1, 0));
+
+                string name = StructInfo.FieldNames[index];
+
+                var label = UIFactory.CreateLabel(row, "RowLabel", $"{name}:", TextAnchor.MiddleRight, Color.cyan);
+                UIFactory.SetLayoutElement(label.gameObject, minWidth: 30, flexibleWidth: 0, minHeight: 25);
+
+                var inputFieldObj = UIFactory.CreateInputField(row, "InputField", "...", 14, 3, 1);
+                UIFactory.SetLayoutElement(inputFieldObj, minWidth: 120, minHeight: 25, flexibleWidth: 0);
+
+                var inputField = inputFieldObj.GetComponent<InputField>();
+                m_inputs[index] = inputField;
+
+                inputField.onValueChanged.AddListener((string val) =>
+                {
+                    try
+                    {
+                        float f = float.Parse(val);
+                        Value = StructInfo.SetValue(ref this.Value, index, f);
+                        Owner.SetValue();
+                    }
+                    catch { }
+                });
+            }
+            catch (Exception ex)
+            {
+                ExplorerCore.Log(ex);
+            }
+        }
+
+        #endregion
+    }
+}