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50 lines
1.2 KiB
C#
50 lines
1.2 KiB
C#
using UnityEngine;
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using UnityEditor;
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using System;
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using System.IO;
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using System.Collections.Generic;
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namespace UnityEditor.Polybrush
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{
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[InitializeOnLoad]
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internal static class IconUtility
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{
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const string k_IconFolder = "Packages/com.unity.polybrush/Content/Icons/";
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static Dictionary<string, Texture2D> m_icons = new Dictionary<string, Texture2D>();
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internal static Texture2D GetIcon(string iconName)
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{
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return GetTextureInFolder(k_IconFolder, iconName + ((EditorGUIUtility.pixelsPerPoint > 1f) ? "@2x" : ""));
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}
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internal static Texture2D GetTextureInFolder(string folder, string name)
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{
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if(string.IsNullOrEmpty(name))
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{
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return null;
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}
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int ext = name.LastIndexOf('.');
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string nameWithoutExtension = ext < 0 ? name : name.Substring(0, ext);
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Texture2D icon = null;
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if(!m_icons.TryGetValue(nameWithoutExtension, out icon))
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{
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string fullPath = string.Format("{0}{1}.png", folder, nameWithoutExtension);
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icon = (Texture2D) AssetDatabase.LoadAssetAtPath(fullPath, typeof(Texture2D));
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if(icon == null)
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{
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m_icons.Add(nameWithoutExtension, null);
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return null;
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}
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m_icons.Add(nameWithoutExtension, icon);
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}
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return icon;
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}
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}
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}
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