// does this work right? public void TrimExcess() { if (this.Count >= this.Capacity * 0.9) { return; } int newCapacity = FlaiMath.Max(4, this.Count); Array.Resize(ref _items, newCapacity); // not 100% if works, but I think it does }
public static bool GetDrawFunction(Type type, MemberReference memberReference, ShowInInspectorAttribute attribute, out DrawFunction drawFunction) { if (_drawFunctions.TryGetValue(type, out drawFunction)) { return(true); } DrawFunctionGenerator generator; if (_drawFunctionGenerators.TryGetValue(type, out generator)) { drawFunction = generator(memberReference, attribute); return(true); } if (type.IsEnum) { drawFunction = (n, v, o) => EditorGUILayout.EnumPopup(n, (Enum)v, o); return(true); } else if (typeof(UnityObject).IsAssignableFrom(type)) { drawFunction = (n, v, o) => EditorGUILayout.ObjectField(n, (UnityObject)v, type, true, o); return(true); } else if (type.IsArray) { Type elementType = type.GetElementType(); DrawFunction elementDrawFunction; if (InternalPropertyDrawer.GetDrawFunction(elementType, out elementDrawFunction)) { drawFunction = (label, value, parameters) => { const int IndentationAmount = 20; Array array = (Array)value; // draw the name of the array EditorGUILayout.LabelField(label, EditorStyles.boldLabel); // draw the length (and '+' & '-' buttons) EditorGUILayout.BeginHorizontal(); GUILayout.Space(IndentationAmount); int newLength = EditorGUILayout.IntField("Length", array.Length); if (GUILayout.Button("+", GUILayout.Width(24))) { newLength++; } else if (GUILayout.Button("-", GUILayout.Width(24))) { newLength = FlaiMath.Max(0, newLength - 1); } EditorGUILayout.EndHorizontal(); // if the size has been changed, then update it if (newLength != array.Length && newLength > 0) { Array newArray = (Array)Activator.CreateInstance(array.GetType(), newLength); if (array.Length > 0) { for (int i = 0; i < newArray.Length; i++) { var elementValue = (i >= array.Length) ? array.GetValue(array.Length - 1) : array.GetValue(i); newArray.SetValue(elementValue, i); } } array = newArray; } // draw all the elements for (int i = 0; i < array.Length; i++) { EditorGUILayout.BeginHorizontal(); GUILayout.Space(IndentationAmount); array.SetValue(elementDrawFunction("Element " + i, array.GetValue(i), null), i); EditorGUILayout.EndHorizontal(); } return(array); }; return(true); } } return(false); }