75 lines
2.3 KiB
C#
75 lines
2.3 KiB
C#
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using System.Collections.Generic;
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using UnityEngine;
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namespace Coffee.UIParticleExtensions
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{
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internal class ModifiedMaterial
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{
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private static readonly List<MatEntry> s_Entries = new List<MatEntry>();
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public static Material Add(Material baseMat, Texture texture, int id)
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{
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MatEntry e;
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for (var i = 0; i < s_Entries.Count; ++i)
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{
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e = s_Entries[i];
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if (e.baseMat != baseMat || e.texture != texture || e.id != id) continue;
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++e.count;
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return e.customMat;
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}
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e = new MatEntry();
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e.count = 1;
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e.baseMat = baseMat;
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e.texture = texture;
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e.id = id;
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e.customMat = new Material(baseMat);
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e.customMat.hideFlags = HideFlags.HideAndDontSave;
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if (texture)
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e.customMat.mainTexture = texture;
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s_Entries.Add(e);
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// Debug.LogFormat(">>>> ModifiedMaterial.Add -> count = {0} {1} {2} {3}", s_Entries.Count, baseMat, texture, id);
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return e.customMat;
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}
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public static void Remove(Material customMat)
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{
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if (!customMat) return;
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for (var i = 0; i < s_Entries.Count; ++i)
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{
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var e = s_Entries[i];
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if (e.customMat != customMat) continue;
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if (--e.count == 0)
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{
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// Debug.LogFormat(">>>> ModifiedMaterial.Add -> count = {0} {1} {2} {3}", s_Entries.Count - 1, e.customMat, e.texture, e.id);
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DestroyImmediate(e.customMat);
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e.baseMat = null;
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e.texture = null;
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s_Entries.RemoveAt(i);
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}
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break;
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}
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}
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private static void DestroyImmediate(Object obj)
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{
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if (!obj) return;
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if (Application.isEditor)
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Object.DestroyImmediate(obj);
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else
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Object.Destroy(obj);
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}
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private class MatEntry
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{
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public Material baseMat;
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public Material customMat;
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public int count;
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public Texture texture;
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public int id;
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}
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}
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}
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