Collection (#787)

Add concept of Collection to Fungus.
Add Collection Demo, Physics Cast Demo.

They are their own type, that are addressed in a generic way. Internally using object boxing and type comparisons.

A number of refactorings and additions along with this to make it work more seamlessly.

Variable operators defined by Variable itself
Conditional and Looping commands refactored, to avoid more duplication in the new looping commands, such as ForEach
AnyVariableData removes duplication from SetVariable and Condition logic, provides a clearer method of adding additional variable types that result in immediate support in those commands
PlayMode Tests and Utils added
Additional Variable Types, such as Quaternion, Matrix4x4
Physics casts Commands that use collections


* Initial Fungus Collection work with support for int and IntegerVariable

* While and Condition related changes to allow for new command Loop Range

* Collection Get changes and ForEach rough

* Added Collection Commands
Reordered Elif logic in Condition

* More collection types and commands

* Variable reorg to allow for new types to be added more simply and centrally

* Added more Fungus Vars for Common Unity types
VariableList Adapter can delegate to the variable itself for custom drawing
Variable IsArthithemticSupported queries for each op rather than all, more fine grain support for types like color and quaterion
Event handlers, such as physics related, now have optional fungus variable to store the data they are given by unity in fungus variable for use in the block
VariableInfo consolidates more info into the typeActionLookup table, updates to support new fungus var types

* Many basic collection operations added
Common Collection types
Physics Overlap command

* Custom variable drawing moved to VariableInfo.cs rather than child variable itself
Added Physics cast and overlap commands

* Move all Editor scripts into Editor AsmDef folder

* LoopRange also registers as command name For

* Condition base class commenting improved and refactored repeated looping style child class elements into base

* More descriptive CollectionBase Command class names

* Fungus Collection interface and comments refined

* Rename ICollection to IFungusCollection
Cleanup formatting

* Collection example scene

* Added Collection Tests

* Format collection and test files
Added CopyFrom to IFungusCollection

* Added FungusCollection initial summaries

* Added CollectionRandom commands
-added simple use to CollectionLoop demo scene

* Added Unique to FungusCollection
-Updated tests to include unique
Added Collection Physics demo, shows use of returned array of all cast intersecting GameObjects

* CollectionPhysics tracks mousepos with visual
Added Fungus Command to get mouse position

* Variable custom draw moved to its own editor class, no longer part of typeinfo
Variable generation run

* Add playmode test for variable type sets
Add playmode test for flow control

* Update doco and formatting for Collection classes
Refactor parts of Conditional classes and AnyVariable
Move Property commands into Category 'Property'

* Update Collection comments, formatting and Update internal to public

* Add License header to added variable types

Assets/Fungus/Scripts/Commands/AssertCommand.cs

@@ -0,0 +1,70 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+using UnityEngine.Assertions;
+
+namespace Fungus
+{
+    /// <summary>
+    /// Assert on 2 Fungus variable values.
+    /// </summary>
+    [CommandInfo("Scripting",
+                 "Assert",
+                 "Assert based on compared values.")]
+    [AddComponentMenu("")]
+    public class AssertCommand : Command
+    {
+        [SerializeField]
+        protected StringData message;
+
+        [SerializeField]
+        [VariableProperty(AllVariableTypes.VariableAny.Any)]
+        protected Variable a, b;
+
+        public enum Method
+        {
+            AreEqual,
+            AreNotEqual,
+        }
+
+        [SerializeField]
+        protected Method method;
+
+        public override void OnEnter()
+        {
+            switch (method)
+            {
+                case Method.AreEqual:
+                    Assert.AreEqual(a.GetValue(), b.GetValue());
+                    break;
+
+                case Method.AreNotEqual:
+                    Assert.AreNotEqual(a.GetValue(), b.GetValue());
+                    break;
+
+                default:
+                break;
+            }
+
+            Continue();
+        }
+
+        public override string GetSummary()
+        {
+            if (a == null)
+                return "Error: No A variable";
+            if (b == null)
+                return "Error: No B variable";
+
+            return a.Key + " " + method.ToString() + " " + b.Key;
+        }
+
+        public override bool HasReference(Variable variable)
+        {
+            return variable == message.stringRef ||
+                variable == a || variable == b ||
+                base.HasReference(variable);
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/AssertCommand.cs.meta

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Assets/Fungus/Scripts/Commands/Break.cs

@@ -16,53 +16,31 @@ namespace Fungus
     {
         #region Public members
 
+        //located the containing loop and tell it to end
         public override void OnEnter()
         {
-            // Find index of previous while command
-            int whileIndex = -1;
-            int whileIndentLevel = -1;
-            for (int i = CommandIndex - 1; i >=0; --i)
+            Condition loopingCond = null;
+            // Find index of previous looping command
+            for (int i = CommandIndex - 1; i >= 0; --i)
             {
-                While whileCommand = ParentBlock.CommandList[i] as While;
-                if (whileCommand != null)
+                Condition cond = ParentBlock.CommandList[i] as Condition;
+                if (cond != null && cond.IsLooping)
                 {
-                    whileIndex = i;
-                    whileIndentLevel = whileCommand.IndentLevel;
+                    loopingCond = cond;
                     break;
                 }
             }
 
-            if (whileIndex == -1)
+            if (loopingCond == null)
             {
-                // No enclosing While command found, just continue
+                // No enclosing loop command found, just continue
+                Debug.LogError("Break called but found no enclosing looping construct." + GetLocationIdentifier());
                 Continue();
-                return;
-            }
-
-            // Find matching End statement at same indent level as While
-            for (int i = whileIndex + 1; i < ParentBlock.CommandList.Count; ++i)
-            {
-                End endCommand = ParentBlock.CommandList[i] as End;
-                
-                if (endCommand != null && 
-                    endCommand.IndentLevel == whileIndentLevel)
-                {
-                    // Sanity check that break command is actually between the While and End commands
-                    if (CommandIndex > whileIndex && CommandIndex < endCommand.CommandIndex)
-                    {
-                        // Continue at next command after End
-                        Continue (endCommand.CommandIndex + 1);
-                        return;
             }
             else
             {
-                        break;
-                    }
-                }
+                loopingCond.MoveToEnd();
             }
-
-            // No matching End command found so just continue
-            Continue();
         }
 
         public override Color GetButtonColor()

Assets/Fungus/Scripts/Commands/Collection.meta

@@ -1,9 +1,8 @@
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Assets/Fungus/Scripts/Commands/Collection/CollectionBaseCommand.cs

@@ -0,0 +1,35 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    /// <summary>
+    /// Base class for all FungusCollection commands
+    /// </summary>
+    [AddComponentMenu("")]
+    public abstract class CollectionBaseCommand : Command
+    {
+        [SerializeField]
+        protected CollectionData collection;
+
+        public override Color GetButtonColor()
+        {
+            return new Color32(191, 217, 235, 255);
+        }
+
+        public override bool HasReference(Variable variable)
+        {
+            return variable == collection.collectionRef;
+        }
+
+        public override string GetSummary()
+        {
+            if (collection.Value == null)
+                return "Error: no collection selected";
+
+            return collection.Value.name;
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/CollectionBaseCommand.cs.meta

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Assets/Fungus/Scripts/Commands/Collection/CollectionBaseIntCommand.cs

@@ -0,0 +1,42 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    /// <summary>
+    /// Base class for all FungusCollection commands that use an intvar
+    /// </summary>
+    [AddComponentMenu("")]
+    public abstract class CollectionBaseIntCommand : CollectionBaseCommand
+    {
+        [SerializeField]
+        protected IntegerData integer;
+
+        public override void OnEnter()
+        {
+            if (collection.Value != null)
+            {
+                OnEnterInner();
+            }
+
+            Continue();
+        }
+
+        protected abstract void OnEnterInner();
+
+        public override bool HasReference(Variable variable)
+        {
+            return variable == integer.integerRef || base.HasReference(variable);
+        }
+
+        public override string GetSummary()
+        {
+            if (collection.Value == null)
+                return "Error: no collection selected";
+
+            return integer.Value.ToString() + " on " + collection.Value.name;
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/CollectionBaseIntCommand.cs.meta

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Assets/Fungus/Scripts/Commands/Collection/CollectionBaseTwoCollectionCommand.cs

@@ -0,0 +1,50 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    /// <summary>
+    /// Base class for all FungusCollection commands that require a second collection of the same type
+    /// </summary>
+    [AddComponentMenu("")]
+    public abstract class CollectionBaseTwoCollectionCommand : CollectionBaseCommand
+    {
+        [SerializeField]
+        protected CollectionData rhsCollection;
+
+        public override void OnEnter()
+        {
+            if (collection.Value != null && rhsCollection.Value != null)
+            {
+                OnEnterInner();
+            }
+
+            Continue();
+        }
+
+        protected abstract void OnEnterInner();
+
+        public override bool HasReference(Variable variable)
+        {
+            return variable == rhsCollection.collectionRef || base.HasReference(variable);
+        }
+
+        public override string GetSummary()
+        {
+            if (collection.Value == null)
+                return "Error: no collection selected";
+
+            if (rhsCollection.Value == null)
+                return "Error: no variable selected";
+
+            if (collection.Value.ContainedType() != rhsCollection.Value.ContainedType())
+            {
+                return "Error: Collection types do not match. " + collection.Value.ContainedType().Name + " != " + rhsCollection.Value.ContainedType().Name;
+            }
+
+            return collection.Value.name + " , " + rhsCollection.Value.name;
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/CollectionBaseTwoCollectionCommand.cs.meta

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Assets/Fungus/Scripts/Commands/Collection/CollectionBaseVarAndIntCommand.cs

@@ -0,0 +1,47 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    /// <summary>
+    /// Base class for all FungusCollection commands that require a compatible variable and an integer
+    /// </summary>
+    [AddComponentMenu("")]
+    public abstract class CollectionBaseVarAndIntCommand : CollectionBaseVarCommand
+    {
+        [SerializeField]
+        [VariableProperty(typeof(IntegerVariable))]
+        protected IntegerVariable integer;
+
+        public override void OnEnter()
+        {
+            if (collection.Value != null && variableToUse != null && integer != null)
+            {
+                OnEnterInner();
+            }
+
+            Continue();
+        }
+
+        public override bool HasReference(Variable variable)
+        {
+            return variable == integer || base.HasReference(variable);
+        }
+
+        public override string GetSummary()
+        {
+            if (collection.Value == null)
+                return "Error: no collection selected";
+
+            if (variableToUse == null)
+                return "Error: no variable selected";
+
+            if (integer == null)
+                return "Error: no integer selected";
+
+            return integer.Key + " on " + variableToUse.Key + " in " + collection.Value.name;
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/CollectionBaseVarAndIntCommand.cs.meta

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Assets/Fungus/Scripts/Commands/Collection/CollectionBaseVarCommand.cs

@@ -0,0 +1,54 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    /// <summary>
+    /// Base class for all FungusCollection commands that require a compatible variable type
+    /// </summary>
+    [AddComponentMenu("")]
+    public abstract class CollectionBaseVarCommand : CollectionBaseCommand, ICollectionCompatible
+    {
+        [SerializeField]
+        [VariableProperty(compatibleVariableName = "collection")]
+        protected Variable variableToUse;
+
+        public override void OnEnter()
+        {
+            if (collection.Value != null && variableToUse != null)
+            {
+                OnEnterInner();
+            }
+
+            Continue();
+        }
+
+        protected abstract void OnEnterInner();
+
+        public override bool HasReference(Variable variable)
+        {
+            return variable == variableToUse || base.HasReference(variable);
+        }
+
+        public override string GetSummary()
+        {
+            if (collection.Value == null)
+                return "Error: no collection selected";
+
+            if (variableToUse == null)
+                return "Error: no variable selected";
+
+            return variableToUse.Key + " to " + collection.Value.name;
+        }
+
+        bool ICollectionCompatible.IsVarCompatibleWithCollection(Variable variable, string compatibleWith)
+        {
+            if (compatibleWith == "collection")
+                return collection.Value == null ? false : collection.Value.IsElementCompatible(variable);
+            else
+                return true;
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/CollectionBaseVarCommand.cs.meta

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Assets/Fungus/Scripts/Commands/Collection/CollectionCommandAdd.cs

@@ -0,0 +1,39 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    /// <summary>
+    /// Add an item to a collection
+    /// </summary>
+    [CommandInfo("Collection",
+                 "Add",
+                     "Add an item to a collection")]
+    [AddComponentMenu("")]
+    public class CollectionCommandAdd : CollectionBaseVarCommand
+    {
+        [Tooltip("Only add if the item does not already exist in the collection")]
+        [SerializeField]
+        protected BooleanData onlyIfUnique = new BooleanData(false);
+
+        protected override void OnEnterInner()
+        {
+            if (onlyIfUnique.Value)
+                collection.Value.AddUnique(variableToUse);
+            else
+                collection.Value.Add(variableToUse);
+        }
+
+        public override bool HasReference(Variable variable)
+        {
+            return onlyIfUnique.booleanRef == variable || base.HasReference(variable);
+        }
+
+        public override string GetSummary()
+        {
+            return base.GetSummary() + (onlyIfUnique.Value ? " Unique" : "");
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/CollectionCommandAdd.cs.meta

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Assets/Fungus/Scripts/Commands/Collection/CollectionCommandAddAll.cs

@@ -0,0 +1,39 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    /// <summary>
+    /// Add all items in given rhs collection to target collection
+    /// </summary>
+    [CommandInfo("Collection",
+                 "Add All",
+                     "Add all items in given rhs collection to target collection")]
+    [AddComponentMenu("")]
+    public class CollectionCommandAddAll : CollectionBaseTwoCollectionCommand
+    {
+        [Tooltip("Only add if the item does not already exist in the collection")]
+        [SerializeField]
+        protected BooleanData onlyIfUnique = new BooleanData(false);
+
+        protected override void OnEnterInner()
+        {
+            if (onlyIfUnique.Value)
+                collection.Value.AddUnique(rhsCollection);
+            else
+                collection.Value.Add(rhsCollection);
+        }
+
+        public override bool HasReference(Variable variable)
+        {
+            return onlyIfUnique.booleanRef == variable || base.HasReference(variable);
+        }
+
+        public override string GetSummary()
+        {
+            return base.GetSummary() + (onlyIfUnique.Value ? " Unique" : "");
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/CollectionCommandAddAll.cs.meta

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Assets/Fungus/Scripts/Commands/Collection/CollectionCommandClear.cs

@@ -0,0 +1,27 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    /// <summary>
+    /// Clears a target collection
+    /// </summary>
+    [CommandInfo("Collection",
+                 "Clear",
+                     "Clears a target collection")]
+    [AddComponentMenu("")]
+    public class CollectionCommandClear : CollectionBaseCommand
+    {
+        public override void OnEnter()
+        {
+            if (collection.Value != null)
+            {
+                collection.Value.Clear();
+            }
+
+            Continue();
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/CollectionCommandClear.cs.meta

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Assets/Fungus/Scripts/Commands/Collection/CollectionCommandContains.cs

@@ -0,0 +1,37 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    /// <summary>
+    /// Does the collection contain the given variable
+    /// </summary>
+    [CommandInfo("Collection",
+                 "Contains",
+                     "Does the collection contain the given variable")]
+    [AddComponentMenu("")]
+    public class CollectionCommandContains : CollectionBaseVarCommand
+    {
+        [VariableProperty(typeof(BooleanVariable))]
+        protected BooleanVariable result;
+
+        protected override void OnEnterInner()
+        {
+            if (result == null)
+            {
+                Debug.LogWarning("No result var set");
+            }
+            else
+            {
+                result.Value = collection.Value.Contains(variableToUse);
+            }
+        }
+
+        public override bool HasReference(Variable variable)
+        {
+            return result == variable || base.HasReference(variable);
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/CollectionCommandContains.cs.meta

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Assets/Fungus/Scripts/Commands/Collection/CollectionCommandContainsAll.cs

@@ -0,0 +1,53 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    /// <summary>
+    /// Does target collection, contain all rhs collection items
+    /// </summary>
+    [CommandInfo("Collection",
+                 "Contains All Of",
+                     "Does target collection, contain all rhs collection items")]
+    [AddComponentMenu("")]
+    public class CollectionCommandContainsAll : CollectionBaseTwoCollectionCommand
+    {
+        [Tooltip("Do they have to be in the same order?")]
+        [SerializeField]
+        protected BooleanData inSameOrder = new BooleanData(false);
+
+        [VariableProperty(typeof(BooleanVariable))]
+        protected BooleanVariable result;
+
+        protected override void OnEnterInner()
+        {
+            if (result == null)
+            {
+                Debug.LogWarning("No result var set");
+            }
+            else
+            {
+                if (inSameOrder.Value)
+                {
+                    result.Value = collection.Value.ContainsAllOfOrdered(rhsCollection.Value);
+                }
+                else
+                {
+                    result.Value = collection.Value.ContainsAllOf(rhsCollection.Value);
+                }
+            }
+        }
+
+        public override bool HasReference(Variable variable)
+        {
+            return result == variable || inSameOrder.booleanRef == variable || base.HasReference(variable);
+        }
+
+        public override string GetSummary()
+        {
+            return base.GetSummary() + (inSameOrder.Value ? " Ordered" : "");
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/CollectionCommandContainsAll.cs.meta

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Assets/Fungus/Scripts/Commands/Collection/CollectionCommandContainsAny.cs

@@ -0,0 +1,37 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    /// <summary>
+    /// Does target collection, contain any of the items in the rhs collection items
+    /// </summary>
+    [CommandInfo("Collection",
+                 "Contains Any Of",
+                     "Does target collection, contain any of the items in the rhs collection items")]
+    [AddComponentMenu("")]
+    public class CollectionCommandContainsAny : CollectionBaseTwoCollectionCommand
+    {
+        [VariableProperty(typeof(BooleanVariable))]
+        protected BooleanVariable result;
+
+        protected override void OnEnterInner()
+        {
+            if (result == null)
+            {
+                Debug.LogWarning("No result var set");
+            }
+            else
+            {
+                result.Value = collection.Value.ContainsAnyOf(rhsCollection.Value);
+            }
+        }
+
+        public override bool HasReference(Variable variable)
+        {
+            return result == variable || base.HasReference(variable);
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/CollectionCommandContainsAny.cs.meta

@@ -0,0 +1,11 @@
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Assets/Fungus/Scripts/Commands/Collection/CollectionCommandCopy.cs

@@ -0,0 +1,22 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    /// <summary>
+    /// Clears target and then adds all of rhs to target.
+    /// </summary>
+    [CommandInfo("Collection",
+                 "Copy",
+                     "Clears target and then adds all of rhs to target.")]
+    [AddComponentMenu("")]
+    public class CollectionCommandCopy : CollectionBaseTwoCollectionCommand
+    {
+        protected override void OnEnterInner()
+        {
+            collection.Value.CopyFrom(rhsCollection.Value);
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/CollectionCommandCopy.cs.meta

@@ -0,0 +1,11 @@
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Assets/Fungus/Scripts/Commands/Collection/CollectionCommandCount.cs

@@ -0,0 +1,25 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    /// <summary>
+    /// Number of items in the collection
+    /// </summary>
+    [CommandInfo("Collection",
+                 "Count",
+                     "Number of items in the collection")]
+    [CommandInfo("Collection",
+                 "Length",
+                     "Number of items in the collection")]
+    [AddComponentMenu("")]
+    public class CollectionCommandCount : CollectionBaseIntCommand
+    {
+        protected override void OnEnterInner()
+        {
+            integer.Value = collection.Value.Count;
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/CollectionCommandCount.cs.meta

@@ -0,0 +1,11 @@
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Assets/Fungus/Scripts/Commands/Collection/CollectionCommandElement.cs

@@ -0,0 +1,53 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    /// <summary>
+    /// Get or Set, an element in a collection
+    /// </summary>
+    [CommandInfo("Collection",
+                 "Element",
+                     "Get or Set, an element in a collection")]
+    [AddComponentMenu("")]
+    public class CollectionCommandElement : CollectionBaseVarCommand
+    {
+        public enum GetSet
+        {
+            Get,
+            Set,
+        }
+
+        [SerializeField]
+        protected IntegerData index;
+
+        [SerializeField]
+        protected GetSet getset = GetSet.Get;
+
+        protected override void OnEnterInner()
+        {
+            if (index.Value >= 0 && index.Value < collection.Value.Count)
+            {
+                if (getset == GetSet.Get)
+                {
+                    collection.Value.Get(index.Value, ref variableToUse);
+                }
+                else
+                {
+                    collection.Value.Set(index.Value, variableToUse);
+                }
+            }
+            else
+            {
+                throw new System.ArgumentOutOfRangeException();
+            }
+        }
+
+        public override string GetSummary()
+        {
+            return base.GetSummary() + " " + getset.ToString();
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/CollectionCommandElement.cs.meta

@@ -0,0 +1,11 @@
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Assets/Fungus/Scripts/Commands/Collection/CollectionCommandExclusive.cs

@@ -0,0 +1,24 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    /// <summary>
+    /// Remove all items from collection that are also in RHS and add all the items in RHS that are not already 
+    /// in target. Similar to a xor
+    /// </summary>
+    [CommandInfo("Collection",
+                 "Exclusive",
+                     "Remove all items from collection that are also in RHS and add all the items in RHS that are not already in target. " +
+        "Similar to a xor")]
+    [AddComponentMenu("")]
+    public class CollectionCommandExclusive : CollectionBaseTwoCollectionCommand
+    {
+        protected override void OnEnterInner()
+        {
+            collection.Value.Exclusive(rhsCollection.Value);
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/CollectionCommandExclusive.cs.meta

@@ -0,0 +1,11 @@
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Assets/Fungus/Scripts/Commands/Collection/CollectionCommandFind.cs

@@ -0,0 +1,41 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    /// <summary>
+    /// Find an item in a collection
+    /// </summary>
+    [CommandInfo("Collection",
+                 "Find",
+                     "Find an item in a collection")]
+    [CommandInfo("Collection",
+                 "IndexOf",
+                     "Find an item in a collection")]
+    [AddComponentMenu("")]
+    public class CollectionCommandFind : CollectionBaseVarAndIntCommand
+    {
+        [Tooltip("If true, will find the last occurance rather than first occurance.")]
+        [SerializeField]
+        protected BooleanData lastInsteadOfFirst = new BooleanData(false);
+
+        protected override void OnEnterInner()
+        {
+            integer.Value = !lastInsteadOfFirst.Value ?
+                collection.Value.IndexOf(variableToUse)
+                : collection.Value.LastIndexOf(variableToUse);
+        }
+
+        public override bool HasReference(Variable variable)
+        {
+            return lastInsteadOfFirst.booleanRef == variable || base.HasReference(variable);
+        }
+
+        public override string GetSummary()
+        {
+            return base.GetSummary() + (lastInsteadOfFirst.Value ? " Last" : "");
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/CollectionCommandFind.cs.meta

@@ -0,0 +1,11 @@
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Assets/Fungus/Scripts/Commands/Collection/CollectionCommandInsert.cs

@@ -0,0 +1,22 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    /// <summary>
+    /// Add at a specific location in the collection
+    /// </summary>
+    [CommandInfo("Collection",
+                 "Insert",
+                     "Add at a specific location in the collection")]
+    [AddComponentMenu("")]
+    public class CollectionCommandInsert : CollectionBaseVarAndIntCommand
+    {
+        protected override void OnEnterInner()
+        {
+            collection.Value.Insert(integer.Value, variableToUse);
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/CollectionCommandInsert.cs.meta

@@ -0,0 +1,11 @@
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Assets/Fungus/Scripts/Commands/Collection/CollectionCommandIntersection.cs

@@ -0,0 +1,22 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    /// <summary>
+    /// Remove all items from collection that aren't also in RHS, similar to an overlap.
+    /// </summary>
+    [CommandInfo("Collection",
+                 "Intersection",
+                     "Remove all items from collection that aren't also in RHS, similar to an overlap.")]
+    [AddComponentMenu("")]
+    public class CollectionCommandIntersection : CollectionBaseTwoCollectionCommand
+    {
+        protected override void OnEnterInner()
+        {
+            collection.Value.Intersection(rhsCollection.Value);
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/CollectionCommandIntersection.cs.meta

@@ -0,0 +1,11 @@
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Assets/Fungus/Scripts/Commands/Collection/CollectionCommandOccurrences.cs

@@ -0,0 +1,22 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    /// <summary>
+    /// How many occurrences of a given variable exist in a target collection
+    /// </summary>
+    [CommandInfo("Collection",
+                 "Occurrences",
+                     "How many occurrences of a given variable exist in a target collection")]
+    [AddComponentMenu("")]
+    public class CollectionCommandOccurrences : CollectionBaseVarAndIntCommand
+    {
+        protected override void OnEnterInner()
+        {
+            integer.Value = collection.Value.Occurrences(variableToUse);
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/CollectionCommandOccurrences.cs.meta

@@ -0,0 +1,11 @@
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Assets/Fungus/Scripts/Commands/Collection/CollectionCommandRemove.cs

@@ -0,0 +1,39 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    /// <summary>
+    /// Remove an item to a collection
+    /// </summary>
+    [CommandInfo("Collection",
+                 "Remove",
+                     "Remove an item to a collection")]
+    [AddComponentMenu("")]
+    public class CollectionCommandRemove : CollectionBaseVarCommand
+    {
+        [Tooltip("Should it remove ALL occurances of variable")]
+        [SerializeField]
+        protected BooleanData allOccurances = new BooleanData(false);
+
+        protected override void OnEnterInner()
+        {
+            if (allOccurances.Value)
+                collection.Value.RemoveAll(variableToUse);
+            else
+                collection.Value.Remove(variableToUse);
+        }
+
+        public override bool HasReference(Variable variable)
+        {
+            return allOccurances.booleanRef == variable || base.HasReference(variable);
+        }
+
+        public override string GetSummary()
+        {
+            return base.GetSummary() + (allOccurances.Value ? " ALL" : "");
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/CollectionCommandRemove.cs.meta

@@ -0,0 +1,11 @@
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Assets/Fungus/Scripts/Commands/Collection/CollectionCommandRemoveAllOf.cs

@@ -0,0 +1,22 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    /// <summary>
+    /// Remove all items in given rhs collection to target collection
+    /// </summary>
+    [CommandInfo("Collection",
+                 "Remove All Of",
+                     "Remove all items in given rhs collection to target collection")]
+    [AddComponentMenu("")]
+    public class CollectionCommandRemoveAllOf : CollectionBaseTwoCollectionCommand
+    {
+        protected override void OnEnterInner()
+        {
+            collection.Value.RemoveAll(rhsCollection);
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/CollectionCommandRemoveAllOf.cs.meta

@@ -0,0 +1,11 @@
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Assets/Fungus/Scripts/Commands/Collection/CollectionCommandRemoveAt.cs

@@ -0,0 +1,22 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    /// <summary>
+    /// Remove item at given index
+    /// </summary>
+    [CommandInfo("Collection",
+                 "Remove At",
+                     "Remove item at given index")]
+    [AddComponentMenu("")]
+    public class CollectionCommandRemoveAt : CollectionBaseIntCommand
+    {
+        protected override void OnEnterInner()
+        {
+            collection.Value.RemoveAt(integer.Value);
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/CollectionCommandRemoveAt.cs.meta

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Assets/Fungus/Scripts/Commands/Collection/CollectionCommandReserve.cs

@@ -0,0 +1,22 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    /// <summary>
+    /// Reserve space for given number of items in the collection
+    /// </summary>
+    [CommandInfo("Collection",
+                 "Reserve",
+                     "Reserve space for given number of items in the collection")]
+    [AddComponentMenu("")]
+    public class CollectionCommandReserve : CollectionBaseIntCommand
+    {
+        protected override void OnEnterInner()
+        {
+            collection.Value.Reserve(integer.Value);
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/CollectionCommandReserve.cs.meta

@@ -0,0 +1,11 @@
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Assets/Fungus/Scripts/Commands/Collection/CollectionCommandResize.cs

@@ -0,0 +1,22 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    /// <summary>
+    /// Resize will grow the collection to be the given size, will not remove items to shrink
+    /// </summary>
+    [CommandInfo("Collection",
+                 "Resize",
+                     "Resize will grow the collection to be the given size, will not remove items to shrink")]
+    [AddComponentMenu("")]
+    public class CollectionCommandResize : CollectionBaseIntCommand
+    {
+        protected override void OnEnterInner()
+        {
+            collection.Value.Resize(integer.Value);
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/CollectionCommandResize.cs.meta

@@ -0,0 +1,11 @@
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Assets/Fungus/Scripts/Commands/Collection/CollectionCommandReverse.cs

@@ -0,0 +1,27 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    /// <summary>
+    /// Reverse the current order of a target collection
+    /// </summary>
+    [CommandInfo("Collection",
+                 "Reverse",
+                     "Reverse the current order of a target collection")]
+    [AddComponentMenu("")]
+    public class CollectionCommandReverse : CollectionBaseCommand
+    {
+        public override void OnEnter()
+        {
+            if (collection.Value != null)
+            {
+                collection.Value.Reverse();
+            }
+
+            Continue();
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/CollectionCommandReverse.cs.meta

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Assets/Fungus/Scripts/Commands/Collection/CollectionCommandShuffle.cs

@@ -0,0 +1,27 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    /// <summary>
+    /// Randomly reorders all elements of a target collection
+    /// </summary>
+    [CommandInfo("Collection",
+                 "Shuffle",
+                     "Randomly reorders all elements of a target collection")]
+    [AddComponentMenu("")]
+    public class CollectionCommandShuffle : CollectionBaseCommand
+    {
+        public override void OnEnter()
+        {
+            if (collection.Value != null)
+            {
+                collection.Value.Shuffle();
+            }
+
+            Continue();
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/CollectionCommandShuffle.cs.meta

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Assets/Fungus/Scripts/Commands/Collection/CollectionCommandSort.cs

@@ -0,0 +1,27 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    /// <summary>
+    /// Sort a target collection
+    /// </summary>
+    [CommandInfo("Collection",
+                 "Sort",
+                     "Sort a target collection")]
+    [AddComponentMenu("")]
+    public class CollectionCommandSort : CollectionBaseCommand
+    {
+        public override void OnEnter()
+        {
+            if (collection.Value != null)
+            {
+                collection.Value.Sort();
+            }
+
+            Continue();
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/CollectionCommandSort.cs.meta

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Assets/Fungus/Scripts/Commands/Collection/CollectionCommandUnique.cs

@@ -0,0 +1,27 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    /// <summary>
+    /// Removes all duplicates.
+    /// </summary>
+    [CommandInfo("Collection",
+                 "Unique",
+                     "Removes all duplicates.")]
+    [AddComponentMenu("")]
+    public class CollectionCommandUnique : CollectionBaseCommand
+    {
+        public override void OnEnter()
+        {
+            if (collection.Value != null)
+            {
+                collection.Value.Unique();
+            }
+
+            Continue();
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/CollectionCommandUnique.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 59ae026a39db9cf4d8453309fa6192db
+MonoImporter:
+  externalObjects: {}
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Assets/Fungus/Scripts/Commands/Collection/CollectionRandom.cs

@@ -0,0 +1,22 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    /// <summary>
+    /// Use the collection as a source of random selection. Picking a random item each run.
+    /// </summary>
+    [CommandInfo("Collection",
+                 "RandomItem",
+                     "Use the collection as a source of random selection. Picking a random item each run.")]
+    [AddComponentMenu("")]
+    public class CollectionRandom : CollectionBaseVarCommand
+    {
+        protected override void OnEnterInner()
+        {
+            collection.Value.Get(Random.Range(0, collection.Value.Count - 1), ref variableToUse);
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/CollectionRandom.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: d58ddca8952c1a149a39835e2eeac9a7
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
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Assets/Fungus/Scripts/Commands/Collection/CollectionRandomBag.cs

@@ -0,0 +1,80 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    /// <summary>
+    /// Use the collection as a source of random items and turn it into a random bag. Drawing the 
+    /// next random item until out of items and then reshuffling them.
+    /// </summary>
+    [CommandInfo("Collection",
+                 "RandomBag",
+                     "Use the collection as a source of random items and turn it into a random bag. " +
+                         "Drawing the next random item until out of items and then reshuffling them.")]
+    [AddComponentMenu("")]
+    public class CollectionRandomBag : CollectionBaseVarCommand
+    {
+        [SerializeField]
+        [Tooltip("Will add this many copies to the bag. If you want 5 of everything, you want 4 copies.")]
+        protected IntegerData duplicatesToPutInBag = new IntegerData(0);
+
+        [SerializeField]
+        protected IntegerData currentIndex = new IntegerData(int.MaxValue);
+
+        protected bool isInit = false;
+
+        protected override void OnEnterInner()
+        {
+            if (!isInit)
+            {
+                Init();
+            }
+
+            currentIndex.Value++;
+
+            if (currentIndex.Value >= collection.Value.Count)
+            {
+                Reshuffle();
+            }
+
+            collection.Value.Get(currentIndex.Value, ref variableToUse);
+        }
+
+        protected void Init()
+        {
+            var startingCount = collection.Value.Count;
+            for (int i = 0; i < duplicatesToPutInBag.Value; i++)
+            {
+                for (int j = 0; j < startingCount; j++)
+                {
+                    collection.Value.Add(collection.Value.Get(j));
+                }
+            }
+
+            //force invalid index
+            currentIndex.Value = collection.Value.Count;
+
+            isInit = true;
+        }
+
+        protected void Reshuffle()
+        {
+            currentIndex.Value = 0;
+            collection.Value.Shuffle();
+        }
+
+        public override bool HasReference(Variable variable)
+        {
+            return base.HasReference(variable) || duplicatesToPutInBag.integerRef == variable || currentIndex.integerRef;
+        }
+
+        public override string GetSummary()
+        {
+            return base.GetSummary() +
+                (duplicatesToPutInBag.integerRef != null ? " " + duplicatesToPutInBag.integerRef.Key : "") +
+            (currentIndex.integerRef != null ? " " + currentIndex.integerRef.Key : ""); ;
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/CollectionRandomBag.cs.meta

@@ -0,0 +1,11 @@
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+guid: 56176eef6b396a442b08b88220304436
+MonoImporter:
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+  serializedVersion: 2
+  defaultReferences: []
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+  assetBundleName: 
+  assetBundleVariant: 

Assets/Fungus/Scripts/Commands/Collection/ForEach.cs

@@ -0,0 +1,90 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    /// <summary>
+    /// Loop over each element in the given collection.
+    /// </summary>
+    [CommandInfo("Collection",
+                 "For Each",
+                 "Loop over each element in the given collection, similar to a foreach but internally uses indicies")]
+    [AddComponentMenu("")]
+    public class ForEach : Condition, ICollectionCompatible
+    {
+        [SerializeField]
+        protected CollectionData collection;
+
+        [SerializeField]
+        [VariableProperty(compatibleVariableName = "collection")]
+        protected Variable item;
+
+        [SerializeField]
+        [Tooltip("Optional")]
+        protected IntegerData curIndex;
+
+        #region Public members
+
+        public override bool IsLooping { get { return true; } }
+
+        protected override void PreEvaluate()
+        {
+            //if we came from the end then we are already looping, if not this is first loop so prep
+            if (ParentBlock.PreviousActiveCommandIndex != endCommand.CommandIndex)
+            {
+                curIndex.Value = -1;
+            }
+        }
+
+        protected override bool EvaluateCondition()
+        {
+            var col = collection.Value;
+            curIndex.Value++;
+            if (curIndex < col.Count)
+            {
+                col.Get(curIndex, ref item);
+                return true;
+            }
+
+            return false;
+        }
+
+        protected override void OnFalse()
+        {
+            MoveToEnd();
+        }
+
+        protected override bool HasNeededProperties()
+        {
+            return collection.Value != null && item != null;
+        }
+
+        public override bool HasReference(Variable variable)
+        {
+            return collection.collectionRef == variable || item == variable ||
+                base.HasReference(variable);
+        }
+
+        bool ICollectionCompatible.IsVarCompatibleWithCollection(Variable variable, string compatibleWith)
+        {
+            if (compatibleWith == "collection")
+                return collection.Value == null ? false : collection.Value.IsElementCompatible(variable);
+            else
+                return true;
+        }
+
+        public override string GetSummary()
+        {
+            if (item == null)
+                return "Error: No item var";
+            if (collection.Value == null)
+                return "Error: No collection";
+
+            return item.Key + " in " + collection.Value.name;
+        }
+
+        #endregion Public members
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/ForEach.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 1ce547d5384ce3a41b7142cab8ab41dd
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
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Assets/Fungus/Scripts/Commands/Collection/GameObjectFind.cs

@@ -0,0 +1,51 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    [CommandInfo("GameObject",
+                 "FindAll",
+                     "Find all gameobjects by tag and store in a collection")]
+    [AddComponentMenu("")]
+    public class GameObjectFind : CollectionBaseCommand
+    {
+        [Tooltip("Find all gameobjects of tag")]
+        [SerializeField]
+        protected StringData tagString;
+
+        public override void OnEnter()
+        {
+            var col = collection.Value;
+
+            if (col != null)
+            {
+                var res = GameObject.FindGameObjectsWithTag(tagString.Value);
+
+                for (int i = 0; i < res.Length; i++)
+                {
+                    col.Add(res[i]);
+                }
+            }
+
+            Continue();
+        }
+
+        public override bool HasReference(Variable variable)
+        {
+            return variable == tagString.stringRef || base.HasReference(variable);
+        }
+
+        public override string GetSummary()
+        {
+            if (collection.Value == null)
+                return "Error: no collection selected";
+
+            if (!(collection.Value is GameObjectCollection))
+                return "Error: collection is not GameObjectCollection";
+
+            return tagString.Value + " GOs, store in " + collection.Value.name;
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/GameObjectFind.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 8509f58e038dd8c46b98cab78d34e06a
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Fungus/Scripts/Commands/Collection/Physics2DCast.cs

@@ -0,0 +1,162 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    [CommandInfo("Physics2D",
+                 "Cast2D",
+                     "Find all gameobjects hit by given physics shape overlap")]
+    [AddComponentMenu("")]
+    public class Physics2DCast : CollectionBaseCommand
+    {
+        public enum CastType
+        {
+            Box,
+            Capsule,
+            Circle,
+            Line,
+            Ray,
+        }
+
+        [Tooltip("")]
+        [SerializeField]
+        protected CastType castType = CastType.Ray;
+
+        [Tooltip("Starting point or centre of shape")]
+        [SerializeField]
+        protected Vector3Data position1;
+
+        [Tooltip("")]
+        [SerializeField]
+        protected Vector3Data direction;
+
+        [Tooltip("")]
+        [SerializeField]
+        protected FloatData maxDistance = new FloatData(float.PositiveInfinity);
+
+        [Tooltip("CAPSULE & Circle ONLY")]
+        [SerializeField]
+        protected FloatData radius = new FloatData(0.5f);
+
+        [Tooltip("BOX & CAPSULE ONLY")]
+        [SerializeField]
+        protected Vector3Data shapeSize = new Vector3Data(Vector3.one * 0.5f);
+
+        [Tooltip("BOX & CAPSULE ONLY")]
+        [SerializeField]
+        protected FloatData shapeAngle;
+
+        [Tooltip("LINE ONLY")]
+        [SerializeField]
+        protected Vector3Data lineEnd;
+
+        [Tooltip("")]
+        [SerializeField]
+        protected LayerMask layerMask = ~0;
+
+        [Tooltip("")]
+        [SerializeField]
+        protected FloatData minDepth = new FloatData(float.NegativeInfinity), maxDepth = new FloatData(float.PositiveInfinity);
+
+        [SerializeField]
+        protected CapsuleDirection2D capsuleDirection;
+
+        public override void OnEnter()
+        {
+            var col = collection.Value;
+
+            if (col != null)
+            {
+                RaycastHit2D[] resHits = null;
+
+                switch (castType)
+                {
+                    case CastType.Box:
+                        resHits = Physics2D.BoxCastAll(position1.Value, shapeSize.Value, shapeAngle.Value, direction.Value, maxDistance.Value, layerMask.value, minDepth.Value, maxDepth.Value);
+                        break;
+
+                    case CastType.Capsule:
+                        resHits = Physics2D.CapsuleCastAll(position1.Value, shapeSize.Value, capsuleDirection, shapeAngle.Value, direction.Value, maxDistance.Value, layerMask.value, minDepth.Value, maxDepth.Value);
+                        break;
+
+                    case CastType.Circle:
+                        resHits = Physics2D.CircleCastAll(position1.Value, radius.Value, direction.Value, maxDistance.Value, layerMask.value, minDepth.Value, maxDepth.Value);
+                        break;
+
+                    case CastType.Line:
+                        resHits = Physics2D.LinecastAll(position1.Value, lineEnd.Value, layerMask.value, minDepth.Value, maxDepth.Value);
+                        break;
+
+                    case CastType.Ray:
+                        resHits = Physics2D.RaycastAll(position1.Value, direction.Value, maxDistance.Value, layerMask.value, minDepth.Value, maxDepth.Value);
+                        break;
+
+                    default:
+                    break;
+                }
+
+                PutCollidersIntoGameObjectCollection(resHits);
+            }
+
+            Continue();
+        }
+
+        protected void PutCollidersIntoGameObjectCollection(RaycastHit2D[] resColliders)
+        {
+            if (resColliders != null)
+            {
+                var col = collection.Value;
+                for (int i = 0; i < resColliders.Length; i++)
+                {
+                    col.Add(resColliders[i].collider.gameObject);
+                }
+            }
+        }
+
+        public override bool HasReference(Variable variable)
+        {
+            return variable == position1.vector3Ref ||
+                variable == radius.floatRef ||
+                variable == shapeSize.vector3Ref ||
+                variable == shapeAngle.floatRef ||
+                variable == minDepth.floatRef ||
+                variable == maxDepth.floatRef ||
+                variable == direction.vector3Ref ||
+                variable == maxDistance.floatRef ||
+                variable == lineEnd.vector3Ref ||
+                base.HasReference(variable);
+        }
+
+        public override string GetSummary()
+        {
+            if (collection.Value == null)
+                return "Error: no collection selected";
+
+            //TODO we could support more than just GOs
+            if (!(collection.Value is GameObjectCollection))
+                return "Error: collection is not GameObjectCollection";
+
+            return castType.ToString() + ", store in " + collection.Value.name;
+        }
+
+        public override bool IsPropertyVisible(string propertyName)
+        {
+            if (castType == CastType.Capsule && propertyName == "capsulePosition2")
+                return true;
+
+            if (castType == CastType.Line && propertyName == "lineEnd")
+                return true;
+
+            if ((castType == CastType.Capsule || castType == CastType.Circle) && propertyName == "radius")
+                return true;
+
+            if ((castType == CastType.Capsule || castType == CastType.Box) &&
+                (propertyName == "shapeAngle" || propertyName == "shapeSize"))
+                return true;
+
+            return base.IsPropertyVisible(propertyName);
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/Physics2DCast.cs.meta

@@ -0,0 +1,11 @@
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+guid: da8de59f5960f5c4b9d61002cc912b37
+MonoImporter:
+  externalObjects: {}
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+  defaultReferences: []
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Assets/Fungus/Scripts/Commands/Collection/Physics2DOverlap.cs

@@ -0,0 +1,154 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    [CommandInfo("Physics2D",
+                 "Overlap2D",
+                     "Find all gameobjects hit by given physics shape overlap")]
+    [AddComponentMenu("")]
+    public class Physics2DOverlap : CollectionBaseCommand
+    {
+        public enum Shape
+        {
+            Point,
+            Area,
+            Box,
+            Circle,
+            Capsule,
+        }
+
+        [Tooltip("")]
+        [SerializeField]
+        protected Shape shape = Shape.Box;
+
+        [Tooltip("Starting point or centre of shape")]
+        [SerializeField]
+        protected Vector3Data position1;
+
+        [Tooltip("AREA ONLY")]
+        [SerializeField]
+        protected Vector3Data areaEndPosition;
+
+        [Tooltip("CAPSULE & Circle ONLY")]
+        [SerializeField]
+        protected FloatData radius = new FloatData(0.5f);
+
+        [Tooltip("BOX & CAPSULE ONLY")]
+        [SerializeField]
+        protected Vector3Data shapeSize = new Vector3Data(Vector3.one * 0.5f);
+
+        [Tooltip("BOX & CAPSULE ONLY")]
+        [SerializeField]
+        protected FloatData shapeAngle;
+
+        [Tooltip("")]
+        [SerializeField]
+        protected LayerMask layerMask = ~0;
+
+        [Tooltip("")]
+        [SerializeField]
+        protected FloatData minDepth = new FloatData(float.NegativeInfinity), maxDepth = new FloatData(float.PositiveInfinity);
+
+        [SerializeField]
+        protected CapsuleDirection2D capsuleDirection;
+
+        public override void OnEnter()
+        {
+            var col = collection.Value;
+
+            if (col != null)
+            {
+                Collider2D[] resColliders = null;
+
+                switch (shape)
+                {
+                    case Shape.Area:
+                        resColliders = Physics2D.OverlapAreaAll(position1.Value, areaEndPosition.Value, layerMask.value, minDepth.Value, maxDepth.Value);
+                        break;
+
+                    case Shape.Box:
+                        resColliders = Physics2D.OverlapBoxAll(position1.Value, shapeSize.Value, shapeAngle.Value, layerMask.value, minDepth.Value, maxDepth.Value);
+                        break;
+
+                    case Shape.Circle:
+                        resColliders = Physics2D.OverlapCircleAll(position1.Value, radius.Value, layerMask.value, minDepth.Value, maxDepth.Value);
+                        break;
+
+                    case Shape.Capsule:
+                        resColliders = Physics2D.OverlapCapsuleAll(position1.Value, shapeSize.Value, capsuleDirection, shapeAngle.Value, layerMask.value, minDepth.Value, maxDepth.Value);
+                        break;
+
+                    case Shape.Point:
+                        resColliders = Physics2D.OverlapPointAll(position1.Value, layerMask.value, minDepth.Value, maxDepth.Value);
+                        break;
+
+                    default:
+                    break;
+                }
+
+                PutCollidersIntoGameObjectCollection(resColliders);
+            }
+
+            Continue();
+        }
+
+        protected void PutCollidersIntoGameObjectCollection(Collider2D[] resColliders)
+        {
+            if (resColliders != null)
+            {
+                var col = collection.Value;
+                for (int i = 0; i < resColliders.Length; i++)
+                {
+                    col.Add(resColliders[i].gameObject);
+                }
+            }
+        }
+
+        public override bool HasReference(Variable variable)
+        {
+            return variable == position1.vector3Ref ||
+                variable == areaEndPosition.vector3Ref ||
+                variable == radius.floatRef ||
+                variable == shapeSize.vector3Ref ||
+                variable == shapeAngle.floatRef ||
+                variable == minDepth.floatRef ||
+                variable == maxDepth.floatRef ||
+                base.HasReference(variable);
+        }
+
+        public override string GetSummary()
+        {
+            if (collection.Value == null)
+                return "Error: no collection selected";
+
+            //TODO we could support more than just GOs
+            if (!(collection.Value is GameObjectCollection))
+                return "Error: collection is not GameObjectCollection";
+
+            return shape.ToString() + ", store in " + collection.Value.name;
+        }
+
+        public override bool IsPropertyVisible(string propertyName)
+        {
+            if (shape == Shape.Capsule && propertyName == "capsulePosition2")
+                return true;
+
+            if (shape == Shape.Area && propertyName == "areaEndPosition")
+                return true;
+
+            if ((shape == Shape.Capsule || shape == Shape.Circle) && propertyName == "radius")
+                return true;
+
+            if ((shape == Shape.Capsule || shape == Shape.Box) && propertyName == "shapeAngle")
+                return true;
+
+            if (shape == Shape.Box && (propertyName == "boxHalfExtends" || propertyName == "boxOrientation"))
+                return true;
+
+            return base.IsPropertyVisible(propertyName);
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/Physics2DOverlap.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: c27aec18d802f45429190093660305e4
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Fungus/Scripts/Commands/Collection/PhysicsCast.cs

@@ -0,0 +1,147 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    [CommandInfo("Physics",
+                 "Cast",
+                     "Find all gameobjects hit by given physics shape cast")]
+    [AddComponentMenu("")]
+    public class PhysicsCast : CollectionBaseCommand
+    {
+        public enum CastType
+        {
+            Box,
+            Capsule,
+            Ray,
+            Sphere,
+        }
+
+        [SerializeField]
+        protected CastType castType = CastType.Ray;
+
+        [Tooltip("Starting point/origin or centre of shape")]
+        [SerializeField]
+        protected Vector3Data position1;
+
+        [Tooltip("")]
+        [SerializeField]
+        protected Vector3Data direction;
+
+        [Tooltip("")]
+        [SerializeField]
+        protected FloatData maxDistance = new FloatData(float.PositiveInfinity);
+
+        [Tooltip("CAPSULE ONLY; end point of the capsule")]
+        [SerializeField]
+        protected Vector3Data capsulePosition2;
+
+        [Tooltip("CAPSULE & SPHERE ONLY")]
+        [SerializeField]
+        protected FloatData radius = new FloatData(0.5f);
+
+        [Tooltip("BOX ONLY")]
+        [SerializeField]
+        protected Vector3Data boxHalfExtends = new Vector3Data(Vector3.one * 0.5f);
+
+        [Tooltip("BOX ONLY")]
+        [SerializeField]
+        protected QuaternionData boxOrientation = new QuaternionData(Quaternion.identity);
+
+        [Tooltip("")]
+        [SerializeField]
+        protected LayerMask layerMask = ~0;
+
+        [Tooltip("")]
+        [SerializeField]
+        protected QueryTriggerInteraction queryTriggerInteraction = QueryTriggerInteraction.UseGlobal;
+
+        public override void OnEnter()
+        {
+            var col = collection.Value;
+
+            if (col != null)
+            {
+                RaycastHit[] resHits = null;
+
+                switch (castType)
+                {
+                    case CastType.Ray:
+                        resHits = Physics.RaycastAll(position1.Value, direction.Value, maxDistance.Value, layerMask.value, queryTriggerInteraction);
+                        break;
+
+                    case CastType.Sphere:
+                        resHits = Physics.SphereCastAll(position1.Value, radius.Value, direction.Value, maxDistance.Value, layerMask.value, queryTriggerInteraction);
+                        break;
+
+                    case CastType.Box:
+                        resHits = Physics.BoxCastAll(position1.Value, boxHalfExtends.Value, direction.Value, boxOrientation.Value, maxDistance.Value, layerMask.value, queryTriggerInteraction);
+                        break;
+
+                    case CastType.Capsule:
+                        resHits = Physics.CapsuleCastAll(position1.Value, capsulePosition2.Value, radius.Value, direction.Value, maxDistance.Value, layerMask.value, queryTriggerInteraction);
+                        break;
+
+                    default:
+                    break;
+                }
+
+                PutCollidersIntoGameObjectCollection(resHits);
+            }
+
+            Continue();
+        }
+
+        protected void PutCollidersIntoGameObjectCollection(RaycastHit[] resHits)
+        {
+            if (resHits != null)
+            {
+                var col = collection.Value;
+                for (int i = 0; i < resHits.Length; i++)
+                {
+                    col.Add(resHits[i].collider.gameObject);
+                }
+            }
+        }
+
+        public override bool HasReference(Variable variable)
+        {
+            return variable == direction.vector3Ref ||
+                variable == maxDistance.floatRef ||
+                variable == position1.vector3Ref ||
+                variable == capsulePosition2.vector3Ref ||
+                variable == radius.floatRef ||
+                variable == boxHalfExtends.vector3Ref ||
+                variable == boxOrientation.quaternionRef ||
+                base.HasReference(variable);
+        }
+
+        public override string GetSummary()
+        {
+            if (collection.Value == null)
+                return "Error: no collection selected";
+
+            //TODO we could support more than just GOs
+            if (!(collection.Value is GameObjectCollection))
+                return "Error: collection is not GameObjectCollection";
+
+            return castType.ToString() + ", store in " + collection.Value.name;
+        }
+
+        public override bool IsPropertyVisible(string propertyName)
+        {
+            if (castType == CastType.Capsule && propertyName == "capsulePosition2")
+                return true;
+
+            if ((castType == CastType.Capsule || castType == CastType.Sphere) && propertyName == "radius")
+                return true;
+
+            if (castType == CastType.Box && (propertyName == "boxHalfExtends" || propertyName == "boxOrientation"))
+                return true;
+
+            return base.IsPropertyVisible(propertyName);
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/PhysicsCast.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 44a4b238cb3af004bbae4a6145089ea2
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Fungus/Scripts/Commands/Collection/PhysicsOverlap.cs

@@ -0,0 +1,136 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus)
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    /// <summary>
+    ///
+    /// </summary>
+    [CommandInfo("Physics",
+                 "Overlap",
+                     "Find all gameobjects hit by given physics shape overlap")]
+    [AddComponentMenu("")]
+    public class PhysicsOverlap : CollectionBaseCommand
+    {
+        public enum Shape
+        {
+            Box,
+            Capsule,
+            Sphere,
+        }
+
+        [Tooltip("")]
+        [SerializeField]
+        protected Shape shape = Shape.Box;
+
+        [Tooltip("Starting point or centre of shape")]
+        [SerializeField]
+        protected Vector3Data position1;
+
+        [Tooltip("CAPSULE ONLY; end point of the capsule")]
+        [SerializeField]
+        protected Vector3Data capsulePosition2;
+
+        [Tooltip("CAPSULE & SPHERE ONLY")]
+        [SerializeField]
+        protected FloatData radius = new FloatData(0.5f);
+
+        [Tooltip("BOX ONLY")]
+        [SerializeField]
+        protected Vector3Data boxHalfExtends = new Vector3Data(Vector3.one * 0.5f);
+
+        [Tooltip("BOX ONLY")]
+        [SerializeField]
+        protected QuaternionData boxOrientation = new QuaternionData(Quaternion.identity);
+
+        [Tooltip("")]
+        [SerializeField]
+        protected LayerMask layerMask = ~0;
+
+        [Tooltip("")]
+        [SerializeField]
+        protected QueryTriggerInteraction queryTriggerInteraction = QueryTriggerInteraction.UseGlobal;
+
+        public override void OnEnter()
+        {
+            var col = collection.Value;
+
+            if (col != null)
+            {
+                Collider[] resColliders = null;
+
+                switch (shape)
+                {
+                    case Shape.Box:
+                        resColliders = Physics.OverlapBox(position1.Value, boxHalfExtends.Value, boxOrientation.Value, layerMask.value, queryTriggerInteraction);
+                        break;
+
+                    case Shape.Sphere:
+                        resColliders = Physics.OverlapSphere(position1.Value, radius.Value, layerMask.value, queryTriggerInteraction);
+                        break;
+
+                    case Shape.Capsule:
+                        resColliders = Physics.OverlapCapsule(position1.Value, capsulePosition2.Value, radius.Value, layerMask.value, queryTriggerInteraction);
+                        break;
+
+                    default:
+                    break;
+                }
+
+                PutCollidersIntoGameObjectCollection(resColliders);
+            }
+
+            Continue();
+        }
+
+        protected void PutCollidersIntoGameObjectCollection(Collider[] resColliders)
+        {
+            if (resColliders != null)
+            {
+                var col = collection.Value;
+                for (int i = 0; i < resColliders.Length; i++)
+                {
+                    col.Add(resColliders[i].gameObject);
+                }
+            }
+        }
+
+        public override bool HasReference(Variable variable)
+        {
+            return variable == position1.vector3Ref ||
+                variable == capsulePosition2.vector3Ref ||
+                variable == radius.floatRef ||
+                variable == boxHalfExtends.vector3Ref ||
+                variable == boxOrientation.quaternionRef ||
+                base.HasReference(variable);
+        }
+
+        public override string GetSummary()
+        {
+            if (collection.Value == null)
+                return "Error: no collection selected";
+
+            //TODO we could support more than just GOs
+            if (!(collection.Value is GameObjectCollection))
+                return "Error: collection is not GameObjectCollection";
+
+            return shape.ToString() + ", store in " + collection.Value.name;
+        }
+
+        public override bool IsPropertyVisible(string propertyName)
+        {
+            if (shape == Shape.Capsule && propertyName == "capsulePosition2")
+                return true;
+
+            if ((shape == Shape.Capsule || shape == Shape.Sphere) && propertyName == "radius")
+                return true;
+
+            if (shape == Shape.Box && (propertyName == "boxHalfExtends" || propertyName == "boxOrientation"))
+                return true;
+
+            return base.IsPropertyVisible(propertyName);
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Collection/PhysicsOverlap.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 5996bc0e902a19f4fa257341b0691de3
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Fungus/Scripts/Commands/Condition.cs

@@ -5,114 +5,165 @@ using UnityEngine;
 
 namespace Fungus
 {
+    /// <summary>
+    /// Base for all Conditional based Commands, Ifs, Loops, and so on.
+    /// </summary>
     [AddComponentMenu("")]
     public abstract class Condition : Command
     {
-        public static string GetOperatorDescription(CompareOperator compareOperator)
-        {
-            string summary = "";
-            switch (compareOperator)
-            {
-            case CompareOperator.Equals:
-                summary += "==";
-                break;
-            case CompareOperator.NotEquals:
-                summary += "!=";
-                break;
-            case CompareOperator.LessThan:
-                summary += "<";
-                break;
-            case CompareOperator.GreaterThan:
-                summary += ">";
-                break;
-            case CompareOperator.LessThanOrEquals:
-                summary += "<=";
-                break;
-            case CompareOperator.GreaterThanOrEquals:
-                summary += ">=";
-                break;
-            }
-
-            return summary;
-        }
+        protected End endCommand;
      
         #region Public members
 
         public override void OnEnter()
         {
-
             if (ParentBlock == null)
             {
                 return;
             }
 
-            if( !HasNeededProperties() )
+            //if looping we need the end command in order to work
+            if(IsLooping && !EnsureRequiredEnd())
             {
+                Debug.LogError(GetLocationIdentifier() + " is looping but has no matching End command");
                 Continue();
                 return;
             }
 
-            if( !this.IsElseIf )
+            if ( !HasNeededProperties() )
             {
+                Debug.LogError(GetLocationIdentifier() + " cannot run due to missing required properties");
+                Continue();
+                return;
+            }
+
+            //Ensuring we arrived at this elif honestly, not incorrectly due to fall through from a previous command
+            if (this.IsElseIf && !DoesPassElifSanityCheck())
+            {
+                //elif is being asked to run but didn't come from a previously failing if or elif, this isn't allowed
+                MoveToEnd();
+                return;
+            }
+
             EvaluateAndContinue();
         }
-            else
+
+        public override bool OpenBlock()
         {
-                System.Type previousCommandType = ParentBlock.GetPreviousActiveCommandType();
-                var prevCmdIndent = ParentBlock.GetPreviousActiveCommandIndent();
+            return true;
+        }
 
-                //handle our matching if or else if in the chain failing and moving to us,
-                //  need to make sure it is the same indent level
-                if (prevCmdIndent == IndentLevel && previousCommandType.IsSubclassOf(typeof(Condition)))
+        public override Color GetButtonColor()
         {
-                    // Else If behaves the same as an If command
-                    EvaluateAndContinue();
+            return new Color32(253, 253, 150, 255);
         }
-                else
+        
+        public virtual bool IsLooping { get { return false; } }
+
+
+        /// <summary>
+        /// Moves execution to the closing End of the current command, attempts to locate end if not
+        /// already known and if no closing End exists.
+        /// </summary>
+        public virtual void MoveToEnd()
         {
-                    // Else If behaves mostly like an Else command, 
-                    // but will also jump to a following Else command.
+            if(endCommand == null)
+            {
+                endCommand = FindOurEndCommand();
+            }
 
-                    // Stop if this is the last command in the list
-                    if (CommandIndex >= ParentBlock.CommandList.Count - 1)
+            if (endCommand != null)
+            {
+                // Continue at next command after End
+                // and make the end non looping incase it gets run via index etc.
+                endCommand.Loop = false;
+                Continue(endCommand.CommandIndex + 1);
+            }
+            else
             {
+                //nowhere to go, so we assume the block wants to stop but is missing and end, this
+                //  is also ensures back compat
+                Debug.LogWarning("Condition wants to move to end but no End command found, stopping block. " + GetLocationIdentifier());
                 StopParentBlock();
-                        return;
+            }
         }
 
-                    // Find the next End command at the same indent level as this Else If command
-                    int indent = indentLevel;
-                    for (int i = CommandIndex + 1; i < ParentBlock.CommandList.Count; ++i)
+        #endregion
+               
+        protected End FindOurEndCommand()
         {
-                        var command = ParentBlock.CommandList[i];
+            return FindMatchingEndCommand(this);
+        }
+
+        /// <summary>
+        /// Helper to find the paired End Command for the given command.
+        /// </summary>
+        /// <param name="startCommand"></param>
+        /// <returns>Mathcing End Command or null if not found</returns>
+        public static End FindMatchingEndCommand(Command startCommand)
+        {
+            if (startCommand.ParentBlock == null)
+                return null;
+
+            int indent = startCommand.IndentLevel;
+            for (int i = startCommand.CommandIndex + 1; i < startCommand.ParentBlock.CommandList.Count; ++i)
+            {
+                var command = startCommand.ParentBlock.CommandList[i];
 
                 if (command.IndentLevel == indent)
                 {
-                            System.Type type = command.GetType();
-                            if (type == typeof(End))
+                    if (command is End)
                     {
-                                // Execute command immediately after the Else or End command
-                                Continue(command.CommandIndex + 1);
-                                return;
+                        return command as End;
+                    }
                 }
+                else if (command.IndentLevel < indent)
+                {
+                    //managed to be less indent than the inner but not find and end, this shouldn't occur
+                    // but may be user error or bad data, makes sense for completeness here
+                    return null;
                 }
             }
 
-                    // No End command found
-                    StopParentBlock();
+            return null;
         }
+
+        /// <summary>
+        /// Helper for child classes that require an End command to function. For IsLooping commands
+        /// this also configures the loopback within the End command.
+        /// </summary>
+        /// <returns></returns>
+        protected virtual bool EnsureRequiredEnd()
+        {
+            if (endCommand == null)
+            {
+                endCommand = FindOurEndCommand();
+
+                if (endCommand == null)
+                {
+                    Debug.LogError( GetLocationIdentifier() + "', could not find closing End command and thus cannot loop.");
+                    //StopParentBlock();
+                    return false;
                 }
             }
 
-        public override bool OpenBlock()
+            if (IsLooping)
             {
+                // Tell the following end command to loop back
+                endCommand.Loop = true;
+                endCommand.LoopBackIndex = CommandIndex;
+            }
             return true;
         }
 
-        #endregion
-
+        /// <summary>
+        /// Called by OnEnter when the condition is needed to evaluate and continue execution.
+        /// Means child classes do not have to deal with erronuous execution conditions, like fall through.
+        /// </summary>
         protected virtual void EvaluateAndContinue()
         {
+            PreEvaluate();
+
             if (EvaluateCondition())
             {
                 OnTrue();
@@ -123,17 +174,23 @@ namespace Fungus
             }
         }
 
+        /// <summary>
+        /// Called when the condition is run and EvaluateCondition returns true 
+        /// </summary>
         protected virtual void OnTrue()
         {
             Continue();
         }
 
+        /// <summary>
+        /// Called when the condition is run and EvaluateCondition returns false 
+        /// </summary>
         protected virtual void OnFalse()
         {
-            // Last command in block
-            if (CommandIndex >= ParentBlock.CommandList.Count)
+            //looping constructs only care about the end
+            if(IsLooping)
             {
-                StopParentBlock();
+                MoveToEnd();
                 return;
             }
 
@@ -177,7 +234,6 @@ namespace Fungus
                 {
                     // Execute the Else If command
                     Continue(i);
-
                     return;
                 }
             }
@@ -186,10 +242,47 @@ namespace Fungus
             StopParentBlock();
         }
 
+        /// <summary>
+        /// Sits in the if within EvaluateAndContinue, if returns true, OnTrue will run, if false, OnFalse will run.
+        /// </summary>
         protected abstract bool EvaluateCondition();
 
-        protected abstract bool HasNeededProperties();
+        /// <summary>
+        /// Child classes are required to report if it is possible for them to be evaulated.
+        /// </summary>
+        protected virtual bool HasNeededProperties() { return true; }
 
+        /// <summary>
+        /// Declare if the child class is implementing an 'else if' command, which requires some special handling
+        /// </summary>
         protected virtual bool IsElseIf { get { return false; } }
+
+        /// <summary>
+        /// Called before EvaluateCondition, allowing for child classes to gather required data
+        /// </summary>
+        protected virtual void PreEvaluate() { }
+
+        /// <summary>
+        /// Ensure that this condition didn't come from a non matching if/elif.
+        /// </summary>
+        /// <returns></returns>
+        protected virtual bool DoesPassElifSanityCheck()
+        {
+            System.Type previousCommandType = ParentBlock.GetPreviousActiveCommandType();
+            var prevCmdIndent = ParentBlock.GetPreviousActiveCommandIndent();
+            var prevCmd = ParentBlock.GetPreviousActiveCommand();
+
+            //handle our matching if or else if in the chain failing and moving to us,
+            //  need to make sure it is the same indent level
+            if (prevCmd == null ||
+                prevCmdIndent != IndentLevel ||
+                !previousCommandType.IsSubclassOf(typeof(Condition)) ||
+                (prevCmd as Condition).IsLooping)
+            {
+                return false;
+            }
+
+            return true;
+        }
     }
 }

Assets/Fungus/Scripts/Commands/Else.cs

@@ -18,39 +18,19 @@ namespace Fungus
 
         public override void OnEnter()
         {
-            if (ParentBlock == null)
-            {
-                return;
-            }
-
-            // Stop if this is the last command in the list
-            if (CommandIndex >= ParentBlock.CommandList.Count - 1)
-            {
-                StopParentBlock();
-                return;
-            }
-
             // Find the next End command at the same indent level as this Else command
-            int indent = indentLevel;
-            for (int i = CommandIndex + 1; i < ParentBlock.CommandList.Count; ++i)
-            {
-                var command = ParentBlock.CommandList[i];
-
-                if (command.IndentLevel == indent)
-                {
-                    System.Type type = command.GetType();
-                    if (type == typeof(End))
+            var matchingEnd = Condition.FindMatchingEndCommand(this);
+            if (matchingEnd != null)
             {
                 // Execute command immediately after the EndIf command
-                        Continue(command.CommandIndex + 1);
-                        return;
-                    }
-                }
+                Continue(matchingEnd.CommandIndex + 1);
             }
-            
+            else
+            {
                 // No End command found
                 StopParentBlock();
             }
+        }
 
         public override bool OpenBlock()
         {

Assets/Fungus/Scripts/Commands/ElseIf.cs

@@ -18,21 +18,11 @@ namespace Fungus
 
         #region Public members
 
-        public override bool OpenBlock()
-        {
-            return true;
-        }
-
         public override bool CloseBlock()
         {
             return true;
         }
 
-        public override Color GetButtonColor()
-        {
-            return new Color32(253, 253, 150, 255);
-        }
-
         #endregion
     }
 }

Assets/Fungus/Scripts/Commands/End.cs

@@ -16,24 +16,23 @@ namespace Fungus
     {
         #region Public members
 
+        /// <summary>
+        /// Set to true by looping constructs to allow for loops to occur
+        /// </summary>
         public virtual bool Loop { get; set; }
 
+        /// <summary>
+        /// Set to the index of the owning looping construct
+        /// </summary>
+        public virtual int LoopBackIndex { get; set; }
+
         public override void OnEnter()
         {
             if (Loop)
             {
-                for (int i = CommandIndex - 1; i >= 0; --i)
-                {
-                    var command = ParentBlock.CommandList[i];
-
-                    if (command.IndentLevel == IndentLevel &&
-                        command.GetType() == typeof(While))
-                    {
-                        Continue(i);
+                Continue(LoopBackIndex);
                 return;
             }
-                }
-            }
 
             Continue();
         }

Assets/Fungus/Scripts/Commands/If.cs

@@ -14,13 +14,5 @@ namespace Fungus
     [AddComponentMenu("")]
     public class If : VariableCondition
     {
-        #region Public members
-        
-        public override Color GetButtonColor()
-        {
-            return new Color32(253, 253, 150, 255);
-        }
-
-        #endregion
     }
 }

Assets/Fungus/Scripts/Commands/Input/GetMousePosition.cs

@@ -0,0 +1,89 @@
+using UnityEngine;
+
+namespace Fungus
+{
+    // <summary>
+    /// Store Input.mousePosition and mouse screen conversions in a variable(s)
+    /// </summary>
+    [CommandInfo("Input",
+                 "Get Mouse Position",
+                 "Store various interpretations of Input.mousePosition")]
+    [AddComponentMenu("")]
+    public class GetMousePosition : Command
+    {
+        [VariableProperty(typeof(Vector2Variable))]
+        [SerializeField]
+        protected Vector2Variable screenPosition;
+
+        [Tooltip("If null, Camera.main is used")]
+        protected Camera castCamera;
+
+        [VariableProperty(typeof(Vector2Variable))]
+        [SerializeField]
+        protected Vector2Variable viewPosition;
+
+        [VariableProperty(typeof(Vector3Variable))]
+        [SerializeField]
+        protected Vector3Variable worldPosition;
+
+        [VariableProperty(typeof(Vector3Variable))]
+        [SerializeField]
+        protected Vector3Variable worldDirection;
+
+        public override void OnEnter()
+        {
+            if (castCamera == null)
+            {
+                castCamera = Camera.main;
+            }
+
+            if (screenPosition != null)
+            {
+                screenPosition.Value = Input.mousePosition;
+            }
+
+            if (viewPosition != null)
+            {
+                viewPosition.Value = castCamera.ScreenToViewportPoint(Input.mousePosition);
+            }
+
+            if (worldPosition != null)
+            {
+                var screenWithZ = Input.mousePosition;
+                screenWithZ.z = castCamera.nearClipPlane;
+                worldPosition.Value = castCamera.ScreenToWorldPoint(screenWithZ);
+            }
+
+            if (worldDirection != null)
+            {
+                var screenWithZ = Input.mousePosition;
+                screenWithZ.z = castCamera.nearClipPlane;
+                worldDirection.Value = castCamera.ScreenPointToRay(screenWithZ).direction;
+            }
+
+            Continue();
+        }
+
+        public override string GetSummary()
+        {
+            return (screenPosition != null ? screenPosition.Key + " " : "") +
+                    (castCamera != null ? castCamera.name + " " : "MainCam") +
+                    (viewPosition != null ? viewPosition.Key + " " : "") +
+                    (worldPosition != null ? worldPosition.Key + " " : "") +
+                    (worldDirection != null ? worldDirection.Key + " " : "");
+        }
+
+        public override Color GetButtonColor()
+        {
+            return new Color32(235, 191, 217, 255);
+        }
+
+        public override bool HasReference(Variable variable)
+        {
+            return (screenPosition == variable ||
+                viewPosition == variable ||
+                worldPosition == variable ||
+                worldDirection == variable);
+        }
+    }
+}

Assets/Fungus/Scripts/Commands/Input/GetMousePosition.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: fb32240870e5bf545a0dafba446d3990
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Fungus/Scripts/Commands/LoopRange.cs

@@ -0,0 +1,84 @@
+// This code is part of the Fungus library (https://github.com/snozbot/fungus) maintained by Chris Gregan (http://twitter.com/gofungus).
+// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
+
+using UnityEngine;
+
+namespace Fungus
+{
+    /// <summary>
+    /// Loop over a fixed integer range, similar to a common for loop.
+    /// </summary>
+    [CommandInfo("Flow",
+                 "Loop Range",
+                 "Loop over a fixed integer range, similar to a common for loop.")]
+    [CommandInfo("Flow",
+                 "For",
+                 "Loop over a fixed integer range, similar to a common for loop.")]
+    [AddComponentMenu("")]
+    public class LoopRange : Condition
+    {
+        [Tooltip("Starting value for the counter variable")]
+        [SerializeField]
+        protected IntegerData startingValue;
+
+        [Tooltip("End value for the counter variable, exclusive")]
+        [SerializeField]
+        protected IntegerData endValue;
+
+        [Tooltip("Optional int var to hold the current loop counter.")]
+        [SerializeField]
+        protected IntegerData counter;
+
+        [Tooltip("Step size for the counter, how much does it go up by each loop. Default 1")]
+        [SerializeField]
+        protected IntegerData step = new IntegerData(1);
+
+        #region Public members
+
+        public override bool IsLooping { get { return true; } }
+
+        protected override void PreEvaluate()
+        {
+            //if we came from the end then we are already looping, if not this is first loop so prep
+            if (ParentBlock.PreviousActiveCommandIndex != endCommand.CommandIndex)
+            {
+                counter.Value = startingValue.Value;
+            }
+            else
+            {
+                counter.Value += (startingValue.Value <= endValue.Value ? step.Value : -step.Value);
+            }
+        }
+
+        protected override bool EvaluateCondition()
+        {
+            return (startingValue.Value <= endValue.Value ?
+                   counter.Value < endValue.Value :
+                   counter.Value > endValue.Value);
+        }
+
+        protected override void OnFalse()
+        {
+            MoveToEnd();
+        }
+
+        public override void OnValidate()
+        {
+            // no infinite loops
+            if (step.Value == 0)
+                step.Value = 1;
+
+            //no negative steps, we do that automatically
+            step.Value = Mathf.Abs(step.Value);
+        }
+
+        public override bool HasReference(Variable variable)
+        {
+            return startingValue.integerRef == variable || endValue.integerRef == variable ||
+                counter.integerRef == variable || step.integerRef == variable ||
+                base.HasReference(variable);
+        }
+
+        #endregion
+    }
+}

Assets/Fungus/Scripts/Commands/LoopRange.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: b0eebb5bf2fc1e542a35e2e5332e60d4
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Fungus/Scripts/Commands/LuaCondition.cs

@@ -63,7 +63,7 @@ namespace Fungus
             }
 
             // Cache a descriptive name to use in Lua error messages
-            friendlyName = gameObject.name + "." + ParentBlock.BlockName + "." + this.GetType().ToString() + " #" + CommandIndex.ToString();
+            friendlyName = GetLocationIdentifier();
 
             Flowchart flowchart = GetFlowchart();
 
@@ -113,17 +113,6 @@ namespace Fungus
 			return luaCompareString;
 		}
 
-
-		public override bool OpenBlock()
-		{
-			return true;
-		}
-
-		public override Color GetButtonColor()
-		{
-			return new Color32(253, 253, 150, 255);
-		}
-
 		#endregion
 	}
 }

Assets/Fungus/Scripts/Commands/LuaElseIf.cs

@@ -18,21 +18,11 @@ namespace Fungus
 
         #region Public members
 
-        public override bool OpenBlock()
-        {
-            return true;
-        }
-
         public override bool CloseBlock()
         {
             return true;
         }
 
-        public override Color GetButtonColor()
-        {
-            return new Color32(253, 253, 150, 255);
-        }
-
         #endregion
     }
 }

Assets/Fungus/Scripts/Commands/LuaIf.cs

@@ -16,11 +16,6 @@ namespace Fungus
     {
         #region Public members
 
-        public override Color GetButtonColor()
-        {
-            return new Color32(253, 253, 150, 255);
-        }
-
         #endregion
     }
 }

Assets/Fungus/Scripts/Commands/PlayUsfxrSound.cs

@@ -31,7 +31,7 @@ using UnityEngine.Serialization;
         //Call this if the settings have changed
         protected virtual void UpdateCache() 
         {
-            if (_SettingsString.Value != null) 
+            if (!string.IsNullOrEmpty(_SettingsString.Value)) 
             {
                 _synth.parameters.SetSettingsString(_SettingsString.Value);
                 _synth.CacheSound();

Assets/Fungus/Scripts/Commands/Property.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 8a1a00144f44775449d32d39b5a7185a
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Fungus/Scripts/Commands/Property/AnimatorProperty.cs

@@ -0,0 +1,292 @@
+/*This script has been, partially or completely, generated by the Fungus.GenerateVariableWindow*/
+using UnityEngine;
+
+
+namespace Fungus
+{
+    // <summary>
+    /// Get or Set a property of a Animator component
+    /// </summary>
+    [CommandInfo("Property", 
+                 "Animator",
+                 "Get or Set a property of a Animator component")]
+    [AddComponentMenu("")]
+    public class AnimatorProperty : BaseVariableProperty
+    {
+		//generated property
+        public enum Property 
+        { 
+            IsOptimizable, 
+            IsHuman, 
+            HasRootMotion, 
+            HumanScale, 
+            IsInitialized, 
+            DeltaPosition, 
+            DeltaRotation, 
+            Velocity, 
+            AngularVelocity, 
+            RootPosition, 
+            RootRotation, 
+            ApplyRootMotion, 
+            HasTransformHierarchy, 
+            GravityWeight, 
+            BodyPosition, 
+            BodyRotation, 
+            StabilizeFeet, 
+            LayerCount, 
+            ParameterCount, 
+            FeetPivotActive, 
+            PivotWeight, 
+            PivotPosition, 
+            IsMatchingTarget, 
+            Speed, 
+            TargetPosition, 
+            TargetRotation, 
+            PlaybackTime, 
+            RecorderStartTime, 
+            RecorderStopTime, 
+            HasBoundPlayables, 
+            LayersAffectMassCenter, 
+            LeftFeetBottomHeight, 
+            RightFeetBottomHeight, 
+            LogWarnings, 
+            FireEvents, 
+            KeepAnimatorControllerStateOnDisable, 
+        }
+
+		
+        [SerializeField]
+        protected Property property;
+		
+        [SerializeField]
+        [VariableProperty(typeof(AnimatorVariable))]
+        protected AnimatorVariable animatorVar;
+
+        [SerializeField]
+        [VariableProperty(typeof(BooleanVariable),
+                          typeof(FloatVariable),
+                          typeof(Vector3Variable),
+                          typeof(QuaternionVariable),
+                          typeof(IntegerVariable))]
+        protected Variable inOutVar;
+
+        public override void OnEnter()
+        {
+            var iob = inOutVar as BooleanVariable;
+            var iof = inOutVar as FloatVariable;
+            var iov = inOutVar as Vector3Variable;
+            var ioq = inOutVar as QuaternionVariable;
+            var ioi = inOutVar as IntegerVariable;
+
+
+            var target = animatorVar.Value;
+
+            switch (getOrSet)
+            {
+                case GetSet.Get:
+                    switch (property)
+                    {
+                        case Property.IsOptimizable:
+                            iob.Value = target.isOptimizable;
+                            break;
+                        case Property.IsHuman:
+                            iob.Value = target.isHuman;
+                            break;
+                        case Property.HasRootMotion:
+                            iob.Value = target.hasRootMotion;
+                            break;
+                        case Property.HumanScale:
+                            iof.Value = target.humanScale;
+                            break;
+                        case Property.IsInitialized:
+                            iob.Value = target.isInitialized;
+                            break;
+                        case Property.DeltaPosition:
+                            iov.Value = target.deltaPosition;
+                            break;
+                        case Property.DeltaRotation:
+                            ioq.Value = target.deltaRotation;
+                            break;
+                        case Property.Velocity:
+                            iov.Value = target.velocity;
+                            break;
+                        case Property.AngularVelocity:
+                            iov.Value = target.angularVelocity;
+                            break;
+                        case Property.RootPosition:
+                            iov.Value = target.rootPosition;
+                            break;
+                        case Property.RootRotation:
+                            ioq.Value = target.rootRotation;
+                            break;
+                        case Property.ApplyRootMotion:
+                            iob.Value = target.applyRootMotion;
+                            break;
+                        case Property.HasTransformHierarchy:
+                            iob.Value = target.hasTransformHierarchy;
+                            break;
+                        case Property.GravityWeight:
+                            iof.Value = target.gravityWeight;
+                            break;
+                        case Property.BodyPosition:
+                            iov.Value = target.bodyPosition;
+                            break;
+                        case Property.BodyRotation:
+                            ioq.Value = target.bodyRotation;
+                            break;
+                        case Property.StabilizeFeet:
+                            iob.Value = target.stabilizeFeet;
+                            break;
+                        case Property.LayerCount:
+                            ioi.Value = target.layerCount;
+                            break;
+                        case Property.ParameterCount:
+                            ioi.Value = target.parameterCount;
+                            break;
+                        case Property.FeetPivotActive:
+                            iof.Value = target.feetPivotActive;
+                            break;
+                        case Property.PivotWeight:
+                            iof.Value = target.pivotWeight;
+                            break;
+                        case Property.PivotPosition:
+                            iov.Value = target.pivotPosition;
+                            break;
+                        case Property.IsMatchingTarget:
+                            iob.Value = target.isMatchingTarget;
+                            break;
+                        case Property.Speed:
+                            iof.Value = target.speed;
+                            break;
+                        case Property.TargetPosition:
+                            iov.Value = target.targetPosition;
+                            break;
+                        case Property.TargetRotation:
+                            ioq.Value = target.targetRotation;
+                            break;
+                        case Property.PlaybackTime:
+                            iof.Value = target.playbackTime;
+                            break;
+                        case Property.RecorderStartTime:
+                            iof.Value = target.recorderStartTime;
+                            break;
+                        case Property.RecorderStopTime:
+                            iof.Value = target.recorderStopTime;
+                            break;
+                        case Property.HasBoundPlayables:
+                            iob.Value = target.hasBoundPlayables;
+                            break;
+                        case Property.LayersAffectMassCenter:
+                            iob.Value = target.layersAffectMassCenter;
+                            break;
+                        case Property.LeftFeetBottomHeight:
+                            iof.Value = target.leftFeetBottomHeight;
+                            break;
+                        case Property.RightFeetBottomHeight:
+                            iof.Value = target.rightFeetBottomHeight;
+                            break;
+                        case Property.LogWarnings:
+                            iob.Value = target.logWarnings;
+                            break;
+                        case Property.FireEvents:
+                            iob.Value = target.fireEvents;
+                            break;
+                        case Property.KeepAnimatorControllerStateOnDisable:
+                            iob.Value = target.keepAnimatorControllerStateOnDisable;
+                            break;
+                        default:
+                            Debug.Log("Unsupported get or set attempted");
+                            break;
+                    }
+
+                    break;
+                case GetSet.Set:
+                    switch (property)
+                    {
+                        case Property.RootPosition:
+                            target.rootPosition = iov.Value;
+                            break;
+                        case Property.RootRotation:
+                            target.rootRotation = ioq.Value;
+                            break;
+                        case Property.ApplyRootMotion:
+                            target.applyRootMotion = iob.Value;
+                            break;
+                        case Property.BodyPosition:
+                            target.bodyPosition = iov.Value;
+                            break;
+                        case Property.BodyRotation:
+                            target.bodyRotation = ioq.Value;
+                            break;
+                        case Property.StabilizeFeet:
+                            target.stabilizeFeet = iob.Value;
+                            break;
+                        case Property.FeetPivotActive:
+                            target.feetPivotActive = iof.Value;
+                            break;
+                        case Property.Speed:
+                            target.speed = iof.Value;
+                            break;
+                        case Property.PlaybackTime:
+                            target.playbackTime = iof.Value;
+                            break;
+                        case Property.RecorderStartTime:
+                            target.recorderStartTime = iof.Value;
+                            break;
+                        case Property.RecorderStopTime:
+                            target.recorderStopTime = iof.Value;
+                            break;
+                        case Property.LayersAffectMassCenter:
+                            target.layersAffectMassCenter = iob.Value;
+                            break;
+                        case Property.LogWarnings:
+                            target.logWarnings = iob.Value;
+                            break;
+                        case Property.FireEvents:
+                            target.fireEvents = iob.Value;
+                            break;
+                        case Property.KeepAnimatorControllerStateOnDisable:
+                            target.keepAnimatorControllerStateOnDisable = iob.Value;
+                            break;
+                        default:
+                            Debug.Log("Unsupported get or set attempted");
+                            break;
+                    }
+
+                    break;
+                default:
+                    break;
+            }
+
+            Continue();
+        }
+
+        public override string GetSummary()
+        {
+            if (animatorVar == null)
+            {
+                return "Error: no animatorVar set";
+            }
+            if (inOutVar == null)
+            {
+                return "Error: no variable set to push or pull data to or from";
+            }
+
+            return getOrSet.ToString() + " " + property.ToString();
+        }
+
+        public override Color GetButtonColor()
+        {
+            return new Color32(235, 191, 217, 255);
+        }
+
+        public override bool HasReference(Variable variable)
+        {
+            if (animatorVar == variable || inOutVar == variable)
+                return true;
+
+            return false;
+        }
+
+    }
+}

Assets/Fungus/Scripts/Commands/Property/AnimatorProperty.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: e4616a794b2245d46970401b3acc492f
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Fungus/Scripts/Commands/Property/AudioSourceProperty.cs

@@ -0,0 +1,261 @@
+/*This script has been, partially or completely, generated by the Fungus.GenerateVariableWindow*/
+using UnityEngine;
+
+
+namespace Fungus
+{
+    // <summary>
+    /// Get or Set a property of a AudioSource component
+    /// </summary>
+    [CommandInfo("Property",
+                 "AudioSource",
+                 "Get or Set a property of a AudioSource component")]
+    [AddComponentMenu("")]
+    public class AudioSourceProperty : BaseVariableProperty
+    {
+		//generated property
+        public enum Property 
+        { 
+            Volume, 
+            Pitch, 
+            Time, 
+            TimeSamples, 
+            IsPlaying, 
+            IsVirtual, 
+            Loop, 
+            IgnoreListenerVolume, 
+            PlayOnAwake, 
+            IgnoreListenerPause, 
+            PanStereo, 
+            SpatialBlend, 
+            Spatialize, 
+            SpatializePostEffects, 
+            ReverbZoneMix, 
+            BypassEffects, 
+            BypassListenerEffects, 
+            BypassReverbZones, 
+            DopplerLevel, 
+            Spread, 
+            Priority, 
+            Mute, 
+            MinDistance, 
+            MaxDistance, 
+        }
+
+		
+        [SerializeField]
+        protected Property property;
+		
+        [SerializeField]
+        [VariableProperty(typeof(AudioSourceVariable))]
+        protected AudioSourceVariable audioSourceVar;
+
+        [SerializeField]
+        [VariableProperty(typeof(FloatVariable),
+                          typeof(IntegerVariable),
+                          typeof(BooleanVariable))]
+        protected Variable inOutVar;
+
+        public override void OnEnter()
+        {
+            var iof = inOutVar as FloatVariable;
+            var ioi = inOutVar as IntegerVariable;
+            var iob = inOutVar as BooleanVariable;
+
+
+            var target = audioSourceVar.Value;
+
+            switch (getOrSet)
+            {
+                case GetSet.Get:
+                    switch (property)
+                    {
+                        case Property.Volume:
+                            iof.Value = target.volume;
+                            break;
+                        case Property.Pitch:
+                            iof.Value = target.pitch;
+                            break;
+                        case Property.Time:
+                            iof.Value = target.time;
+                            break;
+                        case Property.TimeSamples:
+                            ioi.Value = target.timeSamples;
+                            break;
+                        case Property.IsPlaying:
+                            iob.Value = target.isPlaying;
+                            break;
+                        case Property.IsVirtual:
+                            iob.Value = target.isVirtual;
+                            break;
+                        case Property.Loop:
+                            iob.Value = target.loop;
+                            break;
+                        case Property.IgnoreListenerVolume:
+                            iob.Value = target.ignoreListenerVolume;
+                            break;
+                        case Property.PlayOnAwake:
+                            iob.Value = target.playOnAwake;
+                            break;
+                        case Property.IgnoreListenerPause:
+                            iob.Value = target.ignoreListenerPause;
+                            break;
+                        case Property.PanStereo:
+                            iof.Value = target.panStereo;
+                            break;
+                        case Property.SpatialBlend:
+                            iof.Value = target.spatialBlend;
+                            break;
+                        case Property.Spatialize:
+                            iob.Value = target.spatialize;
+                            break;
+                        case Property.SpatializePostEffects:
+                            iob.Value = target.spatializePostEffects;
+                            break;
+                        case Property.ReverbZoneMix:
+                            iof.Value = target.reverbZoneMix;
+                            break;
+                        case Property.BypassEffects:
+                            iob.Value = target.bypassEffects;
+                            break;
+                        case Property.BypassListenerEffects:
+                            iob.Value = target.bypassListenerEffects;
+                            break;
+                        case Property.BypassReverbZones:
+                            iob.Value = target.bypassReverbZones;
+                            break;
+                        case Property.DopplerLevel:
+                            iof.Value = target.dopplerLevel;
+                            break;
+                        case Property.Spread:
+                            iof.Value = target.spread;
+                            break;
+                        case Property.Priority:
+                            ioi.Value = target.priority;
+                            break;
+                        case Property.Mute:
+                            iob.Value = target.mute;
+                            break;
+                        case Property.MinDistance:
+                            iof.Value = target.minDistance;
+                            break;
+                        case Property.MaxDistance:
+                            iof.Value = target.maxDistance;
+                            break;
+                        default:
+                            Debug.Log("Unsupported get or set attempted");
+                            break;
+                    }
+
+                    break;
+                case GetSet.Set:
+                    switch (property)
+                    {
+                        case Property.Volume:
+                            target.volume = iof.Value;
+                            break;
+                        case Property.Pitch:
+                            target.pitch = iof.Value;
+                            break;
+                        case Property.Time:
+                            target.time = iof.Value;
+                            break;
+                        case Property.TimeSamples:
+                            target.timeSamples = ioi.Value;
+                            break;
+                        case Property.Loop:
+                            target.loop = iob.Value;
+                            break;
+                        case Property.IgnoreListenerVolume:
+                            target.ignoreListenerVolume = iob.Value;
+                            break;
+                        case Property.PlayOnAwake:
+                            target.playOnAwake = iob.Value;
+                            break;
+                        case Property.IgnoreListenerPause:
+                            target.ignoreListenerPause = iob.Value;
+                            break;
+                        case Property.PanStereo:
+                            target.panStereo = iof.Value;
+                            break;
+                        case Property.SpatialBlend:
+                            target.spatialBlend = iof.Value;
+                            break;
+                        case Property.Spatialize:
+                            target.spatialize = iob.Value;
+                            break;
+                        case Property.SpatializePostEffects:
+                            target.spatializePostEffects = iob.Value;
+                            break;
+                        case Property.ReverbZoneMix:
+                            target.reverbZoneMix = iof.Value;
+                            break;
+                        case Property.BypassEffects:
+                            target.bypassEffects = iob.Value;
+                            break;
+                        case Property.BypassListenerEffects:
+                            target.bypassListenerEffects = iob.Value;
+                            break;
+                        case Property.BypassReverbZones:
+                            target.bypassReverbZones = iob.Value;
+                            break;
+                        case Property.DopplerLevel:
+                            target.dopplerLevel = iof.Value;
+                            break;
+                        case Property.Spread:
+                            target.spread = iof.Value;
+                            break;
+                        case Property.Priority:
+                            target.priority = ioi.Value;
+                            break;
+                        case Property.Mute:
+                            target.mute = iob.Value;
+                            break;
+                        case Property.MinDistance:
+                            target.minDistance = iof.Value;
+                            break;
+                        case Property.MaxDistance:
+                            target.maxDistance = iof.Value;
+                            break;
+                        default:
+                            Debug.Log("Unsupported get or set attempted");
+                            break;
+                    }
+
+                    break;
+                default:
+                    break;
+            }
+
+            Continue();
+        }
+
+        public override string GetSummary()
+        {
+            if (audioSourceVar == null)
+            {
+                return "Error: no audioSourceVar set";
+            }
+            if (inOutVar == null)
+            {
+                return "Error: no variable set to push or pull data to or from";
+            }
+
+            return getOrSet.ToString() + " " + property.ToString();
+        }
+
+        public override Color GetButtonColor()
+        {
+            return new Color32(235, 191, 217, 255);
+        }
+
+        public override bool HasReference(Variable variable)
+        {
+            if (audioSourceVar == variable || inOutVar == variable)
+                return true;
+
+            return false;
+        }
+
+    }
+}

Assets/Fungus/Scripts/Commands/Property/AudioSourceProperty.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 2250cfac690a2b74f8f9dd9be91985c6
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Fungus/Scripts/Commands/Property/CollectionProperty.cs

@@ -0,0 +1,125 @@
+/*This script has been, partially or completely, generated by the Fungus.GenerateVariableWindow*/
+using UnityEngine;
+
+
+namespace Fungus
+{
+    // <summary>
+    /// Get or Set a property of a Collection component
+    /// </summary>
+    [CommandInfo("Property",
+                 "Collection",
+                 "Get or Set a property of a Collection component")]
+    [AddComponentMenu("")]
+    public class CollectionProperty : BaseVariableProperty
+    {
+		//generated property
+        public enum Property 
+        { 
+            Capacity, 
+            Count, 
+            IsFixedSize, 
+            IsReadOnly, 
+            IsSynchronized, 
+            Name, 
+        }
+
+		
+        [SerializeField]
+        protected Property property;
+		
+        [SerializeField]
+        protected CollectionData collectionData;
+
+        [SerializeField]
+        [VariableProperty(typeof(IntegerVariable),
+                          typeof(BooleanVariable),
+                          typeof(StringVariable))]
+        protected Variable inOutVar;
+
+        public override void OnEnter()
+        {
+            var ioi = inOutVar as IntegerVariable;
+            var iob = inOutVar as BooleanVariable;
+            var ios = inOutVar as StringVariable;
+
+
+            var target = collectionData.Value;
+
+            switch (getOrSet)
+            {
+                case GetSet.Get:
+                    switch (property)
+                    {
+                        case Property.Capacity:
+                            ioi.Value = target.Capacity;
+                            break;
+                        case Property.Count:
+                            ioi.Value = target.Count;
+                            break;
+                        case Property.IsFixedSize:
+                            iob.Value = target.IsFixedSize;
+                            break;
+                        case Property.IsReadOnly:
+                            iob.Value = target.IsReadOnly;
+                            break;
+                        case Property.IsSynchronized:
+                            iob.Value = target.IsSynchronized;
+                            break;
+                        case Property.Name:
+                            ios.Value = target.Name;
+                            break;
+                        default:
+                            Debug.Log("Unsupported get or set attempted");
+                            break;
+                    }
+
+                    break;
+                case GetSet.Set:
+                    switch (property)
+                    {
+                        case Property.Capacity:
+                            target.Capacity = ioi.Value;
+                            break;
+                        default:
+                            Debug.Log("Unsupported get or set attempted");
+                            break;
+                    }
+
+                    break;
+                default:
+                    break;
+            }
+
+            Continue();
+        }
+
+        public override string GetSummary()
+        {
+            if (collectionData.Value == null)
+            {
+                return "Error: no collection set";
+            }
+            if (inOutVar == null)
+            {
+                return "Error: no variable set to push or pull data to or from";
+            }
+
+            return getOrSet.ToString() + " " + property.ToString();
+        }
+
+        public override Color GetButtonColor()
+        {
+            return new Color32(235, 191, 217, 255);
+        }
+
+        public override bool HasReference(Variable variable)
+        {
+            if (collectionData.collectionRef == variable || inOutVar == variable)
+                return true;
+
+            return false;
+        }
+
+    }
+}

Assets/Fungus/Scripts/Commands/Property/CollectionProperty.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 6f03dcf7e7a1d2e418e5588731888b5a
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Fungus/Scripts/Commands/Property/Collider2DProperty.cs

@@ -0,0 +1,153 @@
+/*This script has been, partially or completely, generated by the Fungus.GenerateVariableWindow*/
+using UnityEngine;
+
+
+namespace Fungus
+{
+    // <summary>
+    /// Get or Set a property of a Collider2D component
+    /// </summary>
+    [CommandInfo("Property",
+                 "Collider2D",
+                 "Get or Set a property of a Collider2D component")]
+    [AddComponentMenu("")]
+    public class Collider2DProperty : BaseVariableProperty
+    {
+		//generated property
+        public enum Property 
+        { 
+            Density, 
+            IsTrigger, 
+            UsedByEffector, 
+            UsedByComposite, 
+            Offset, 
+            AttachedRigidbody, 
+            ShapeCount, 
+            Friction, 
+            Bounciness, 
+        }
+
+		
+        [SerializeField]
+        protected Property property;
+		
+        [SerializeField]
+        protected Collider2DData collider2DData;
+
+        [SerializeField]
+        [VariableProperty(typeof(FloatVariable),
+                          typeof(BooleanVariable),
+                          typeof(Vector2Variable),
+                          typeof(Rigidbody2DVariable),
+                          typeof(IntegerVariable))]
+        protected Variable inOutVar;
+
+        public override void OnEnter()
+        {
+            var iof = inOutVar as FloatVariable;
+            var iob = inOutVar as BooleanVariable;
+            var iov2 = inOutVar as Vector2Variable;
+            var iorb2d = inOutVar as Rigidbody2DVariable;
+            var ioi = inOutVar as IntegerVariable;
+
+
+            var target = collider2DData.Value;
+
+            switch (getOrSet)
+            {
+                case GetSet.Get:
+                    switch (property)
+                    {
+                        case Property.Density:
+                            iof.Value = target.density;
+                            break;
+                        case Property.IsTrigger:
+                            iob.Value = target.isTrigger;
+                            break;
+                        case Property.UsedByEffector:
+                            iob.Value = target.usedByEffector;
+                            break;
+                        case Property.UsedByComposite:
+                            iob.Value = target.usedByComposite;
+                            break;
+                        case Property.Offset:
+                            iov2.Value = target.offset;
+                            break;
+                        case Property.AttachedRigidbody:
+                            iorb2d.Value = target.attachedRigidbody;
+                            break;
+                        case Property.ShapeCount:
+                            ioi.Value = target.shapeCount;
+                            break;
+                        case Property.Friction:
+                            iof.Value = target.friction;
+                            break;
+                        case Property.Bounciness:
+                            iof.Value = target.bounciness;
+                            break;
+                        default:
+                            Debug.Log("Unsupported get or set attempted");
+                            break;
+                    }
+
+                    break;
+                case GetSet.Set:
+                    switch (property)
+                    {
+                        case Property.Density:
+                            target.density = iof.Value;
+                            break;
+                        case Property.IsTrigger:
+                            target.isTrigger = iob.Value;
+                            break;
+                        case Property.UsedByEffector:
+                            target.usedByEffector = iob.Value;
+                            break;
+                        case Property.UsedByComposite:
+                            target.usedByComposite = iob.Value;
+                            break;
+                        case Property.Offset:
+                            target.offset = iov2.Value;
+                            break;
+                        default:
+                            Debug.Log("Unsupported get or set attempted");
+                            break;
+                    }
+
+                    break;
+                default:
+                    break;
+            }
+
+            Continue();
+        }
+
+        public override string GetSummary()
+        {
+            if (collider2DData.Value == null)
+            {
+                return "Error: no collider2D set";
+            }
+            if (inOutVar == null)
+            {
+                return "Error: no variable set to push or pull data to or from";
+            }
+
+            return getOrSet.ToString() + " " + property.ToString();
+        }
+
+        public override Color GetButtonColor()
+        {
+            return new Color32(235, 191, 217, 255);
+        }
+
+        public override bool HasReference(Variable variable)
+        {
+            if (collider2DData.collider2DRef == variable || inOutVar == variable)
+                return true;
+
+            return false;
+        }
+
+    }
+}

Assets/Fungus/Scripts/Commands/Property/Collider2DProperty.cs.meta

@@ -0,0 +1,13 @@
+fileFormatVersion: 2
+guid: c5d345b268622414c9bb53e05f4580ed
+timeCreated: 1517559095
+licenseType: Free
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Fungus/Scripts/Commands/Property/ColliderProperty.cs

@@ -0,0 +1,123 @@
+/*This script has been, partially or completely, generated by the Fungus.GenerateVariableWindow*/
+using UnityEngine;
+
+
+namespace Fungus
+{
+    // <summary>
+    /// Get or Set a property of a Collider component
+    /// </summary>
+    [CommandInfo("Property",
+                 "Collider",
+                 "Get or Set a property of a Collider component")]
+    [AddComponentMenu("")]
+    public class ColliderProperty : BaseVariableProperty
+    {
+		//generated property
+        public enum Property 
+        { 
+            Enabled, 
+            AttachedRigidbody, 
+            IsTrigger, 
+            ContactOffset, 
+        }
+
+		
+        [SerializeField]
+        protected Property property;
+		
+        [SerializeField]
+        protected ColliderData colliderData;
+
+        [SerializeField]
+        [VariableProperty(typeof(BooleanVariable),
+                          typeof(RigidbodyVariable),
+                          typeof(FloatVariable))]
+        protected Variable inOutVar;
+
+        public override void OnEnter()
+        {
+            var iob = inOutVar as BooleanVariable;
+            var iorb = inOutVar as RigidbodyVariable;
+            var iof = inOutVar as FloatVariable;
+
+
+            var target = colliderData.Value;
+
+            switch (getOrSet)
+            {
+                case GetSet.Get:
+                    switch (property)
+                    {
+                        case Property.Enabled:
+                            iob.Value = target.enabled;
+                            break;
+                        case Property.AttachedRigidbody:
+                            iorb.Value = target.attachedRigidbody;
+                            break;
+                        case Property.IsTrigger:
+                            iob.Value = target.isTrigger;
+                            break;
+                        case Property.ContactOffset:
+                            iof.Value = target.contactOffset;
+                            break;
+                        default:
+                            Debug.Log("Unsupported get or set attempted");
+                            break;
+                    }
+
+                    break;
+                case GetSet.Set:
+                    switch (property)
+                    {
+                        case Property.Enabled:
+                            target.enabled = iob.Value;
+                            break;
+                        case Property.IsTrigger:
+                            target.isTrigger = iob.Value;
+                            break;
+                        case Property.ContactOffset:
+                            target.contactOffset = iof.Value;
+                            break;
+                        default:
+                            Debug.Log("Unsupported get or set attempted");
+                            break;
+                    }
+
+                    break;
+                default:
+                    break;
+            }
+
+            Continue();
+        }
+
+        public override string GetSummary()
+        {
+            if (colliderData.Value == null)
+            {
+                return "Error: no collider set";
+            }
+            if (inOutVar == null)
+            {
+                return "Error: no variable set to push or pull data to or from";
+            }
+
+            return getOrSet.ToString() + " " + property.ToString();
+        }
+
+        public override Color GetButtonColor()
+        {
+            return new Color32(235, 191, 217, 255);
+        }
+
+        public override bool HasReference(Variable variable)
+        {
+            if (colliderData.colliderRef == variable || inOutVar == variable)
+                return true;
+
+            return false;
+        }
+
+    }
+}

Assets/Fungus/Scripts/Commands/Property/ColliderProperty.cs.meta

@@ -0,0 +1,13 @@
+fileFormatVersion: 2
+guid: ca6e05b34c44a734988887ef775a1a1b
+timeCreated: 1517559091
+licenseType: Free
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: