From e18daf78d12e7df08929c089d4cbdb16818767c4 Mon Sep 17 00:00:00 2001
From: Alireza Tarahomi <a.tarahomi.1994@gmail.com>
Date: Mon, 16 Sep 2019 20:43:29 +0430
Subject: [PATCH] Update README.md

---
 README.md | 97 +++++++++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 87 insertions(+), 10 deletions(-)

diff --git a/README.md b/README.md
index b431edc..2001d8a 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,8 @@ It is used for showing ScriptableObjects which are created in your project, in d
 # Usage Example
 1. Clone this repository or download the latest [release package available](https://github.com/ATHellboy/ScriptableObjectDropdown/releases) (There isn't an example folder in `.unitypackage`).
 
-2. Create `ScriptableObject` class which you  want to create specified objects by that.
+2. There are some options here:
+* Create a `ScriptableObject` class which you want to create specified objects by that.
 
 ```cs
 using UnityEngine;
@@ -19,11 +20,73 @@ public class Block : ScriptableObject
 }
 ```
 
+* Create a class that inherits another `ScriptableObject` class.
+
+```cs
+using UnityEngine;
+
+[CreateAssetMenu(menuName = "Blocks/Sand")]
+public class SandBlock : Block
+{
+    // Some fields and functions
+}
+```
+
+* Create a abstract `ScriptableObject` class then antoher class which inherits this abstract class.
+
+```cs
+using UnityEngine;
+
+public abstract class AbstarctBlock : ScriptableObject
+{
+    // Some fields and functions
+}
+```
+
+```cs
+using UnityEngine;
+
+[CreateAssetMenu(menuName = "Blocks/Water")]
+public class WaterBlock : AbstarctBlock
+{
+    // Some fields and functions
+}
+```
+
+* Create an interface and some `ScriptableObject` classes which inherit this interface. The interface is used for grouping.
+
+```cs
+public interface IBlock
+{
+    // Some properties and functions signature
+}
+```
+
+```cs
+using UnityEngine;
+
+[CreateAssetMenu(menuName = "Blocks/Dirt")]
+public class DirtBlock : ScriptableObject, IBlock
+{
+    // Some fields and functions
+}
+```
+
+```cs
+using UnityEngine;
+
+[CreateAssetMenu(menuName = "Blocks/Snow")]
+public class SnowBlock : ScriptableObject, IBlock
+{
+    // Some fields and functions
+}
+```
+
 3. Create ScriptableObjects in the project.
 
 ![](Images/Resources.PNG)
 
-4. Use `ScriptableObjectDropdown` attribute by setting optional grouping (Default grouping is None) like this in `MonoBeahviour` or `ScriptableObject` derived classes.
+4. Use `ScriptableObjectDropdown` attribute by setting type of specified `ScriptableObject` derived class and optional grouping (Default grouping is `None`) behind `ScriptableObjectReference` type variable like these in MonoBeahviour or ScriptableObject derived classes.
 
 **MonoBehavior**
 
@@ -34,13 +97,20 @@ using UnityEngine;
 public class BlockManager : MonoBehaviour
 {
     // Without grouping (default is None)
-    [ScriptableObjectDropdown] public Block firstTargetBlock;
+    [ScriptableObjectDropdown(typeof(Block))] public ScriptableObjectReference targetBlock;
     // By grouping
-    [ScriptableObjectDropdown(grouping = ScriptableObjectGrouping.ByFolder)] public Block secondTargetBlock;
+    [ScriptableObjectDropdown(typeof(Block), grouping = ScriptableObjectGrouping.ByFolder)]
+    public ScriptableObjectReference targetBlockByGrouping;
+    // Derived class
+    [ScriptableObjectDropdown(typeof(SandBlock))] public ScriptableObjectReference derivedClassTargetBlock;
+    // Derived abstract class
+    [ScriptableObjectDropdown(typeof(AbstarctBlock))] public ScriptableObjectReference derivedAbstractClassTargetBlock;
+    // Interface
+    [ScriptableObjectDropdown(typeof(IBlock))] public ScriptableObjectReference interfaceTargetBlock;
 }
 ```
 
-![](Images/MonoBehaviourDefaultGrouping.png)
+![](Images/MonoBehaviourInterface.png)
 
 ![](Images/MonoBehaviourByFolderGrouping.png)
 
@@ -49,19 +119,26 @@ public class BlockManager : MonoBehaviour
 using UnityEngine;
 using ScriptableObjectDropdown;
 
-[CreateAssetMenu(menuName ="Create Block Manager Settings")]
+[CreateAssetMenu(menuName = "Create Block Manager Settings")]
 public class BlockManagerSettings : ScriptableObject
 {
     // Without grouping (default is None)
-    [ScriptableObjectDropdown] public Block firstTargetBlock;
+    [ScriptableObjectDropdown(typeof(Block))] public ScriptableObjectReference targetBlock;
     // By grouping
-    [ScriptableObjectDropdown(grouping = ScriptableObjectGrouping.ByFolderFlat)] public Block secondTargetBlock;
+    [ScriptableObjectDropdown(typeof(Block), grouping = ScriptableObjectGrouping.ByFolder)]
+    public ScriptableObjectReference targetBlockByGrouping;
+    // Derived class
+    [ScriptableObjectDropdown(typeof(SandBlock))] public ScriptableObjectReference derivedClassTargetBlock;
+    // Derived abstract class
+    [ScriptableObjectDropdown(typeof(AbstarctBlock))] public ScriptableObjectReference derivedAbstractClassTargetBlock;
+    // Interface
+    [ScriptableObjectDropdown(typeof(IBlock))] public ScriptableObjectReference interfaceTargetBlock;
 }
 ```
 
-![](Images/ScriptableObjectDefaultGrouping.png)
+![](Images/ScriptableObjectDerivedClass.png)
 
-![](Images/ScriptableObjectByFolderFlatGrouping.png)
+![](Images/ScriptableObjectDerivedAbstractClass.png)
 
 # License
 MIT License