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using System.Collections.Generic;
using UnityEditor;
using UnityEngine;
[InitializeOnLoad]
public class Question9_practical : MonoBehaviour
{
const int iconSize = 16;
static Question9_practical()
{
EditorApplication.hierarchyWindowItemOnGUI += DrawComponentIcons;
}
static void DrawComponentIcons(int instanceID, Rect rect)
{
rect.x += rect.width;
rect.width = iconSize;
Component[] components = GetComponents(instanceID);
HashSet<Texture> textures = new HashSet<Texture>();
foreach (Component component in components)
{
textures.Add(AssetPreview.GetMiniThumbnail(component));
}
foreach (var texture in textures)
{
rect.x -= iconSize;
GUI.DrawTexture(rect, texture);
}
}
static Component[] GetComponents(int instanceID)
{
GameObject sceneGameObject = EditorUtility.InstanceIDToObject(instanceID) as GameObject;
return sceneGameObject.GetComponents<Component>();
}
}
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