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Assets/ThirdParty/Tools/RenderTextureSaveToPNG/Editor/RenderTextureSaveToPNGEditor.cs

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+using System.Collections;
+using System.Collections.Generic;
+using System.IO;
+using UnityEngine;
+using UnityEditor;
+
+[CustomEditor(typeof(RenderTextureSaveToPNG))]
+public class RenderTextureSaveToPNGEditor : Editor
+{
+    RenderTextureSaveToPNG inst;
+
+    private void OnEnable()
+    {
+        inst = (RenderTextureSaveToPNG)target;
+    }
+
+    public override void OnInspectorGUI()
+    {
+        base.OnInspectorGUI();
+
+        //
+        if(GUILayout.Button("RenderTextureSaveToPNG", GUILayout.Height(50)))
+        {
+            SaveRenderToPng();
+        }
+    }
+
+    Texture2D SaveRenderToPng()
+    {
+        int width = inst.inputTex.width;
+        int height = inst.inputTex.height;
+        Texture2D tex2d = new Texture2D(width, height, TextureFormat.ARGB32, false);
+        RenderTexture.active = inst.inputTex;
+        tex2d.ReadPixels(new Rect(0, 0, width, height), 0, 0);
+
+        for(int y = 0; y < tex2d.height; ++y)
+        {
+            for (int x = 0; x < tex2d.width; ++x)
+            {
+                if(tex2d.GetPixel(x, y).grayscale > inst.maskSrength)
+                {
+                    tex2d.SetPixel(x, y, Color.white);
+                }
+            }
+        }
+
+        tex2d.Apply();
+
+        File.WriteAllBytes(Application.dataPath + "/Materials/" + inst.inputTex.name + ".png", tex2d.EncodeToPNG());
+        AssetDatabase.Refresh();
+
+        return tex2d;
+    }
+}

Assets/ThirdParty/Tools/RenderTextureSaveToPNG/Editor/RenderTextureSaveToPNGEditor.cs.meta

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