*ability system

1 files changed, 199 insertions, 0 deletions

diff --git a/Assets/Plugins/AdvancedInspector/Attributes/Help.cs b/Assets/Plugins/AdvancedInspector/Attributes/Help.cs
new file mode 100644
index 00000000..ea4825d9
--- /dev/null
+++ b/Assets/Plugins/AdvancedInspector/Attributes/Help.cs
@@ -0,0 +1,199 @@
+using System;
+using System.Collections.Generic;
+using System.Reflection;
+using System.Text;
+using System.Text.RegularExpressions;
+
+using UnityEngine;
+
+namespace AdvancedInspector
+{
+    /// <summary>
+    /// When a property is flagged this way, a help box is added after the inspector's field.
+    /// </summary>
+    [AttributeUsage(AttributeTargets.Field | AttributeTargets.Property | AttributeTargets.Method | AttributeTargets.Class | AttributeTargets.Struct, AllowMultiple = true)]
+    public class HelpAttribute : Attribute, IRuntimeAttribute<HelpAttribute>
+    {
+        public const string IsNull = "HelpAttribute.IsValueNull";
+        public const string IsNullOrEmpty = "HelpAttribute.IsStringNullOrEmpty";
+        public const string IsMatch = "HelpAttribute.IsRegexMatch";
+        
+
+        public delegate HelpAttribute HelpDelegate();
+        public delegate HelpAttribute HelpStaticDelegate(HelpAttribute help, object instance, object value);
+
+        private HelpType type;
+
+        /// <summary>
+        /// Help type.
+        /// Displays a specific icon.
+        /// </summary>
+        public HelpType Type
+        {
+            get { return type; }
+            set { type = value; }
+        }
+
+        private string message;
+
+        /// <summary>
+        /// Help message.
+        /// </summary>
+        public string Message
+        {
+            get { return message; }
+            set { message = value; }
+        }
+
+        private HelpPosition position = HelpPosition.After;
+        
+        /// <summary>
+        /// By default, the helpbox is drawn after the field.
+        /// If this is false, it is drawn before the field.
+        /// </summary>
+        public HelpPosition Position
+        {
+            get { return position; }
+            set { position = value; }
+        }
+
+        private string regex;
+
+        /// <summary>
+        /// When using the IsRegex conditional, this string is used as a regular expresion.
+        /// </summary>
+        public string Regex
+        {
+            get { return regex; }
+            set { regex = value; }
+        }
+
+        #region IRuntime Implementation
+        private string methodName = "";
+
+        public string MethodName
+        {
+            get { return methodName; }
+        }
+
+        public Type Template
+        {
+            get { return typeof(HelpDelegate); }
+        }
+
+        public Type TemplateStatic
+        {
+            get { return typeof(HelpStaticDelegate); }
+        }
+
+        private List<Delegate> delegates = new List<Delegate>();
+
+        public List<Delegate> Delegates
+        {
+            get { return delegates; }
+            set { delegates = value; }
+        }
+
+        public HelpAttribute Invoke(int index, object instance, object value)
+        {
+            if (delegates.Count == 0 || index >= delegates.Count)
+                return this;
+
+            try
+            {
+                if (delegates[index].Target == null)
+                {
+                    return delegates[0].DynamicInvoke(this, instance, value) as HelpAttribute;
+                }
+                else
+                {
+                    return delegates[0].DynamicInvoke() as HelpAttribute;
+                }
+            }
+            catch (Exception e)
+            {
+                if (e is TargetInvocationException)
+                    e = ((TargetInvocationException)e).InnerException;
+
+                Debug.LogError(string.Format("Invoking a method failed while trying to retrieve a Help attribute. The exception was \"{0}\".", e.Message));
+                return null;
+            }
+        }
+        #endregion
+
+        public HelpAttribute(string methodName)
+            : this(methodName, HelpType.None, HelpPosition.After, "") { }
+
+        public HelpAttribute(string methodName, HelpType type, string message)
+            : this(methodName, type, HelpPosition.After, message) { }
+
+        public HelpAttribute(HelpType type, string message)
+            : this("", type, HelpPosition.After, message) { }
+
+        public HelpAttribute(HelpType type, HelpPosition position, string message)
+            : this("", type, position, message) { }
+
+        public HelpAttribute(string methodName, HelpType type, HelpPosition position, string message)
+        {
+            this.methodName = methodName;
+            this.type = type;
+            this.position = position;
+            this.message = message;
+        }
+
+        public HelpAttribute(Delegate method)
+        {
+            this.delegates.Add(method);
+        }
+
+        private static HelpAttribute IsValueNull(HelpAttribute help, object instance, object value)
+        {
+            if (value == null || (value is UnityEngine.Object && ((UnityEngine.Object)value) == null))
+            {
+                return help;
+            }
+
+            return null;
+        }
+
+        private static HelpAttribute IsStringNullOrEmpty(HelpAttribute help, object instance, object value)
+        { 
+            if (value is string && string.IsNullOrEmpty((string)value))
+                return help;
+
+            return null;
+        }
+
+        private static HelpAttribute IsRegexMatch(HelpAttribute help, object instance, object value)
+        {
+            if (value == null)
+                return null;
+
+            string text = value.ToString();
+            if (System.Text.RegularExpressions.Regex.IsMatch(text, help.regex))
+                return help;
+
+            return null;
+        }
+    }
+
+    /// <summary>
+    /// Because the internal enum for help display is Editor only.
+    /// </summary>
+    public enum HelpType
+    {
+        None = 0,
+        Info = 1,
+        Warning = 2,
+        Error = 3,
+    }
+
+    /// <summary>
+    /// The position where the help box should be placed.
+    /// </summary>
+    public enum HelpPosition
+    { 
+        After,
+        Before
+    }
+}
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