diff --git a/MLEM.Data/DynamicEnum.cs b/MLEM.Data/DynamicEnum.cs
new file mode 100644
index 0000000..17db45b
--- /dev/null
+++ b/MLEM.Data/DynamicEnum.cs
@@ -0,0 +1,277 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Numerics;
+using System.Reflection;
+using MLEM.Misc;
+
+namespace MLEM.Data {
+ ///
+ /// A dynamic enum is a class that represents enum-like single-instance value behavior with additional capabilities, including dynamic addition of new arbitrary values.
+ /// A dynamic enum uses as its underlying type, allowing for an arbitrary number of enum values to be created, even when a -like structure is used that would only allow for up to 64 values in a regular enum.
+ /// All enum operations including , , and are supported and can be implemented in derived classes using operator overloads.
+ /// To create a custom dynamic enum, simply create a class that extends . New values can then be added using , or .
+ ///
+ ///
+ /// To include enum-like operator overloads in a dynamic enum named MyEnum, the following code can be used:
+ ///
+ /// public static implicit operator BigInteger(MyEnum value) => GetValue(value);
+ /// public static implicit operator MyEnum(BigInteger value) => GetEnumValue<MyEnum>(value);
+ /// public static MyEnum operator |(MyEnum left, MyEnum right) => Or(left, right);
+ /// public static MyEnum operator &(MyEnum left, MyEnum right) => And(left, right);
+ /// public static MyEnum operator ^(MyEnum left, MyEnum right) => Xor(left, right);
+ /// public static MyEnum operator ~(MyEnum value) => Neg(value);
+ ///
+ ///
+ public abstract class DynamicEnum : GenericDataHolder {
+
+ private static readonly Dictionary> Values = new Dictionary>();
+ private static readonly Dictionary> FlagCache = new Dictionary>();
+ private static readonly Dictionary ParseCache = new Dictionary();
+
+ private readonly BigInteger value;
+ private string name;
+
+ ///
+ /// Creates a new dynamic enum instance.
+ /// This constructor is protected as it is only invoked via reflection.
+ ///
+ /// The name of the enum value
+ /// The value
+ protected DynamicEnum(string name, BigInteger value) {
+ this.value = value;
+ this.name = name;
+ }
+
+ ///
+ /// Returns true if this enum value has the given flag on it.
+ /// This operation is equivalent to .
+ ///
+ /// The flag to query
+ /// True if the flag is present, false otherwise
+ public bool HasFlag(DynamicEnum flag) {
+ return (GetValue(this) & GetValue(flag)) == GetValue(flag);
+ }
+
+ ///
+ public override string ToString() {
+ if (this.name == null) {
+ var included = new List();
+ if (GetValue(this) != 0) {
+ foreach (var v in GetValues(this.GetType())) {
+ if (this.HasFlag(v) && GetValue(v) != 0)
+ included.Add(v);
+ }
+ }
+ this.name = included.Count > 0 ? string.Join(" | ", included) : GetValue(this).ToString();
+ }
+ return this.name;
+ }
+
+ ///
+ /// Adds a new enum value to the given enum type
+ ///
+ /// The name of the enum value to add
+ /// The value to add
+ /// The type to add this value to
+ /// The newly created enum value
+ /// Thrown if the name or value passed are already present
+ public static T Add(string name, BigInteger value) where T : DynamicEnum {
+ if (!Values.TryGetValue(typeof(T), out var dict)) {
+ dict = new Dictionary();
+ Values.Add(typeof(T), dict);
+ }
+
+ if (dict.ContainsKey(value))
+ throw new ArgumentException($"Duplicate value {value}", nameof(value));
+ if (dict.Values.Any(v => v.name == name))
+ throw new ArgumentException($"Duplicate name {name}", nameof(name));
+
+ var ret = Construct(typeof(T), name, value);
+ dict.Add(value, ret);
+ return (T) ret;
+ }
+
+ ///
+ /// Adds a new enum value to the given enum type .
+ /// This method differs from in that it automatically determines a value.
+ /// The value determined will be the next free number in a sequence, which represents the default behavior in an enum if enum values are not explicitly numbered.
+ ///
+ /// The name of the enum value to add
+ /// The type to add this value to
+ /// The newly created enum value
+ public static T AddValue(string name) where T : DynamicEnum {
+ BigInteger value = 0;
+ if (Values.TryGetValue(typeof(T), out var defined)) {
+ while (defined.ContainsKey(value))
+ value++;
+ }
+ return Add(name, value);
+ }
+
+ ///
+ /// Adds a new flag enum value to the given enum type .
+ /// This method differs from in that it automatically determines a value.
+ /// The value determined will be the next free power of two, allowing enum values to be combined using bitwise operations to create -like behavior.
+ ///
+ /// The name of the enum value to add
+ /// The type to add this value to
+ /// The newly created enum value
+ public static T AddFlag(string name) where T : DynamicEnum {
+ BigInteger value = 0;
+ if (Values.TryGetValue(typeof(T), out var defined)) {
+ while (defined.ContainsKey(value))
+ value <<= 1;
+ }
+ return Add(name, value);
+ }
+
+ ///
+ /// Returns a collection of all of the enum values that are explicitly defined for the given dynamic enum type .
+ /// A value counts as explicitly defined if it has been added using , or .
+ ///
+ /// The type whose values to get
+ /// The defined values for the given type
+ public static IEnumerable GetValues() where T : DynamicEnum {
+ return GetValues(typeof(T)).Cast();
+ }
+
+ ///
+ /// Returns a collection of all of the enum values that are explicitly defined for the given dynamic enum type .
+ /// A value counts as explicitly defined if it has been added using , or .
+ ///
+ /// The type whose values to get
+ /// The defined values for the given type
+ public static IEnumerable GetValues(Type type) {
+ return Values.TryGetValue(type, out var ret) ? ret.Values : Enumerable.Empty();
+ }
+
+ ///
+ /// Returns the bitwise OR (|) combination of the two dynamic enum values
+ ///
+ /// The left value
+ /// The right value
+ /// The type of the values
+ /// The bitwise OR (|) combination
+ public static T Or(T left, T right) where T : DynamicEnum {
+ return GetEnumValue(GetValue(left) | GetValue(right));
+ }
+
+ ///
+ /// Returns the bitwise AND (&) combination of the two dynamic enum values
+ ///
+ /// The left value
+ /// The right value
+ /// The type of the values
+ /// The bitwise AND (&) combination
+ public static T And(T left, T right) where T : DynamicEnum {
+ return GetEnumValue(GetValue(left) & GetValue(right));
+ }
+
+ ///
+ /// Returns the bitwise XOR (^) combination of the two dynamic enum values
+ ///
+ /// The left value
+ /// The right value
+ /// The type of the values
+ /// The bitwise XOR (^) combination
+ public static T Xor(T left, T right) where T : DynamicEnum {
+ return GetEnumValue(GetValue(left) ^ GetValue(right));
+ }
+
+ ///
+ /// Returns the bitwise NEG (~) combination of the dynamic enum value
+ ///
+ /// The value
+ /// The type of the values
+ /// The bitwise NEG (~) value
+ public static T Neg(T value) where T : DynamicEnum {
+ return GetEnumValue(~GetValue(value));
+ }
+
+ ///
+ /// Returns the representation of the given dynamic enum value
+ ///
+ /// The value whose number representation to get
+ /// The value's number representation
+ public static BigInteger GetValue(DynamicEnum value) {
+ return value?.value ?? 0;
+ }
+
+ ///
+ /// Returns the defined or combined dynamic enum value for the given representation
+ ///
+ /// The value whose dynamic enum value to get
+ /// The type that the returned dynamic enum should have
+ /// The defined or combined dynamic enum value
+ public static T GetEnumValue(BigInteger value) where T : DynamicEnum {
+ return (T) GetEnumValue(typeof(T), value);
+ }
+
+ ///
+ /// Returns the defined or combined dynamic enum value for the given representation
+ ///
+ /// The type that the returned dynamic enum should have
+ /// The value whose dynamic enum value to get
+ /// The defined or combined dynamic enum value
+ public static DynamicEnum GetEnumValue(Type type, BigInteger value) {
+ // get the defined value if it exists
+ if (Values.TryGetValue(type, out var values) && values.TryGetValue(value, out var defined))
+ return defined;
+
+ // otherwise, cache the combined value
+ if (!FlagCache.TryGetValue(type, out var cache)) {
+ cache = new Dictionary();
+ FlagCache.Add(type, cache);
+ }
+ if (!cache.TryGetValue(value, out var combined)) {
+ combined = Construct(type, null, value);
+ cache.Add(value, combined);
+ }
+ return combined;
+ }
+
+ ///
+ /// Parses the given into a dynamic enum value and returns the result.
+ /// This method supports defined enum values as well as values combined using the pipe (|) character and any number of spaces.
+ /// If no enum value can be parsed, null is returned.
+ ///
+ /// The string to parse into a dynamic enum value
+ /// The type of the dynamic enum value to parse
+ /// The parsed enum value, or null if parsing fails
+ public static T Parse(string strg) where T : DynamicEnum {
+ return (T) Parse(typeof(T), strg);
+ }
+
+ ///
+ /// Parses the given into a dynamic enum value and returns the result.
+ /// This method supports defined enum values as well as values combined using the pipe (|) character and any number of spaces.
+ /// If no enum value can be parsed, null is returned. ///
+ /// The type of the dynamic enum value to parse
+ /// The string to parse into a dynamic enum value
+ /// The parsed enum value, or null if parsing fails
+ public static DynamicEnum Parse(Type type, string strg) {
+ if (!ParseCache.TryGetValue(strg, out var cached)) {
+ BigInteger? accum = null;
+ foreach (var val in strg.Split('|')) {
+ foreach (var defined in GetValues(type)) {
+ if (defined.name == val.Trim()) {
+ accum = (accum ?? 0) | GetValue(defined);
+ break;
+ }
+ }
+ }
+ if (accum != null)
+ cached = GetEnumValue(type, accum.Value);
+ ParseCache.Add(strg, cached);
+ }
+ return cached;
+ }
+
+ private static DynamicEnum Construct(Type type, string name, BigInteger value) {
+ var constructor = type.GetConstructor(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic, null, new[] {typeof(string), typeof(BigInteger)}, null);
+ return (DynamicEnum) constructor.Invoke(new object[] {name, value});
+ }
+
+ }
+}
\ No newline at end of file
diff --git a/MLEM.Ui/Elements/Panel.cs b/MLEM.Ui/Elements/Panel.cs
index ed14aa5..22ffa96 100644
--- a/MLEM.Ui/Elements/Panel.cs
+++ b/MLEM.Ui/Elements/Panel.cs
@@ -76,6 +76,7 @@ namespace MLEM.Ui.Elements {
}
}
+ ///
~Panel() {
this.Dispose();
}