ParticleEffectForUGUI/Runtime/ModifiedMaterial.cs

73 lines
2.3 KiB
C#

using System.Collections.Generic;
using UnityEngine;
namespace Coffee.UIParticleExtensions
{
internal class ModifiedMaterial
{
private static readonly List<MatEntry> s_Entries = new List<MatEntry>();
public static Material Add(Material baseMat, Texture texture, int id, int props)
{
MatEntry e;
for (var i = 0; i < s_Entries.Count; i++)
{
e = s_Entries[i];
if (e.baseMat != baseMat || e.texture != texture || e.id != id || e.props != props) continue;
++e.count;
return e.customMat;
}
e = new MatEntry
{
count = 1,
baseMat = baseMat,
texture = texture,
id = id,
props = props,
customMat = new Material(baseMat)
{
name = $"{baseMat.name}_{id}",
hideFlags = HideFlags.DontSave | HideFlags.NotEditable,
mainTexture = texture ? texture : null
}
};
s_Entries.Add(e);
//Debug.LogFormat(">>>> ModifiedMaterial.Add -> count = count:{0}, mat:{1}, tex:{2}, id:{3}", s_Entries.Count, baseMat, texture, id);
return e.customMat;
}
public static void Remove(Material customMat)
{
if (!customMat) return;
for (var i = 0; i < s_Entries.Count; ++i)
{
var e = s_Entries[i];
if (e.customMat != customMat) continue;
if (--e.count == 0)
{
//Debug.LogFormat(">>>> ModifiedMaterial.Remove -> count:{0}, mat:{1}, tex:{2}, id:{3}", s_Entries.Count - 1, e.customMat, e.texture, e.id);
Misc.DestroyImmediate(e.customMat);
e.customMat = null;
e.baseMat = null;
e.texture = null;
s_Entries.RemoveAt(i);
}
break;
}
}
private class MatEntry
{
public Material baseMat;
public int count;
public Material customMat;
public int id;
public int props;
public Texture texture;
}
}
}