ParticleEffectForUGUI/Runtime/Internal/Extensions/SpriteExtensions.cs

61 lines
2.0 KiB
C#

using System;
using UnityEngine;
using UnityEngine.U2D;
#if UNITY_EDITOR
using System.Reflection;
#endif
namespace Coffee.UIParticleInternal
{
/// <summary>
/// Extension methods for Sprite class.
/// </summary>
internal static class SpriteExtensions
{
#if UNITY_EDITOR
private static readonly Type s_SpriteEditorExtensionType =
Type.GetType("UnityEditor.Experimental.U2D.SpriteEditorExtension, UnityEditor")
?? Type.GetType("UnityEditor.U2D.SpriteEditorExtension, UnityEditor");
private static readonly Func<Sprite, Texture2D> s_GetActiveAtlasTextureMethod =
(Func<Sprite, Texture2D>)Delegate.CreateDelegate(typeof(Func<Sprite, Texture2D>),
s_SpriteEditorExtensionType
.GetMethod("GetActiveAtlasTexture", BindingFlags.Static | BindingFlags.NonPublic));
private static readonly Func<Sprite, SpriteAtlas> s_GetActiveAtlasMethod =
(Func<Sprite, SpriteAtlas>)Delegate.CreateDelegate(typeof(Func<Sprite, SpriteAtlas>),
s_SpriteEditorExtensionType
.GetMethod("GetActiveAtlas", BindingFlags.Static | BindingFlags.NonPublic));
/// <summary>
/// Get the actual texture of a sprite in play mode or edit mode.
/// </summary>
public static Texture2D GetActualTexture(this Sprite self)
{
if (!self) return null;
var ret = s_GetActiveAtlasTextureMethod(self);
return ret ? ret : self.texture;
}
/// <summary>
/// Get the active sprite atlas of a sprite in play mode or edit mode.
/// </summary>
public static SpriteAtlas GetActiveAtlas(this Sprite self)
{
if (!self) return null;
return s_GetActiveAtlasMethod(self);
}
#else
/// <summary>
/// Get the actual texture of a sprite in play mode.
/// </summary>
internal static Texture2D GetActualTexture(this Sprite self)
{
return self ? self.texture : null;
}
#endif
}
}