From 6eb915c129fc90c6f4c82ae097dd6ffad5239efc Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Mon, 25 Jan 2021 14:28:30 +0800
Subject: +scripts

---
 Client/Assets/Scripts/XEditor/Render2Texture.cs | 84 +++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 Client/Assets/Scripts/XEditor/Render2Texture.cs

(limited to 'Client/Assets/Scripts/XEditor/Render2Texture.cs')

diff --git a/Client/Assets/Scripts/XEditor/Render2Texture.cs b/Client/Assets/Scripts/XEditor/Render2Texture.cs
new file mode 100644
index 00000000..f4afd1bc
--- /dev/null
+++ b/Client/Assets/Scripts/XEditor/Render2Texture.cs
@@ -0,0 +1,84 @@
+#if UNITY_EDITOR
+using System.IO;
+using UnityEngine;
+using UnityEditor;
+
+[RequireComponent(typeof(Camera))]
+public class Render2Texture : MonoBehaviour
+{
+
+    public Camera cameraCache;
+    public MeshRenderer mr;
+
+    public Texture2D Render(Texture src, Texture tex1, int width, int height, Vector2 tile, Vector2 offset, string shaderName)
+    {
+        if (cameraCache != null && mr != null)
+        {
+            Shader shader = Shader.Find(shaderName);
+            Material mat = new Material(shader);
+            mat.SetTexture("_MainTex", src);
+            if (mat.HasProperty("_Tex1"))
+                mat.SetTexture("_Tex1", tex1);
+            mat.SetTextureScale("_MainTex", tile);
+            mat.SetTextureOffset("_MainTex", offset);
+            width = width <= 0 ? src.width : width;
+            height = height <= 0 ? src.height : height;
+            RenderTexture current = RenderTexture.active;
+            RenderTexture rt = RenderTexture.GetTemporary(width, height, 0, RenderTextureFormat.ARGB32);
+            cameraCache.targetTexture = rt;
+            mr.sharedMaterial = mat;
+            cameraCache.Render();
+            Texture2D des = new Texture2D(src.width, src.height);
+            Graphics.SetRenderTarget(rt);
+            des.ReadPixels(new Rect(0, 0, rt.width, rt.height), 0, 0);
+            des.Apply();
+            GameObject.DestroyImmediate(mat);            
+            Graphics.SetRenderTarget(current);
+            RenderTexture.ReleaseTemporary(rt);
+          
+            return des;
+        }
+        return null;
+    }
+
+    public static Texture2D ScaleTexture(Texture src, string despath, int width, int height, Vector2 tile, Vector2 offset, string shaderName)
+    {
+        Texture2D tex = null;
+        GameObject prefab = AssetDatabase.LoadAssetAtPath<GameObject>("Assets/Editor/EditorRes/Render2Tex.prefab");
+        if(prefab!=null)
+        {
+            GameObject render2Tex = GameObject.Instantiate<GameObject>(prefab);
+            Render2Texture r2t = render2Tex.GetComponent<Render2Texture>();
+            if (r2t != null)
+            {
+                tex = r2t.Render(src, null, width, height, tile, offset, shaderName);
+                if (tex != null && !string.IsNullOrEmpty(despath))
+                {
+                    byte[] bytes = tex.EncodeToPNG();
+                    File.WriteAllBytes(despath, bytes);
+                    AssetDatabase.Refresh();
+                }
+            }
+            GameObject.DestroyImmediate(render2Tex);
+        }
+        return tex;
+    }
+
+    public static Texture2D CompactTexture(Texture tex0, Texture tex1, int width, int height, Vector2 tile, Vector2 offset, string shaderName)
+    {
+        Texture2D tex = null;
+        GameObject prefab = AssetDatabase.LoadAssetAtPath<GameObject>("Assets/Editor/EditorRes/Render2Tex.prefab");
+        if (prefab != null)
+        {
+            GameObject render2Tex = GameObject.Instantiate<GameObject>(prefab);
+            Render2Texture r2t = render2Tex.GetComponent<Render2Texture>();
+            if (r2t != null)
+            {
+                tex = r2t.Render(tex0, tex1, width, height, tile, offset, shaderName);
+            }
+            GameObject.DestroyImmediate(render2Tex);
+        }
+        return tex;
+    }
+}
+#endif
\ No newline at end of file
-- 
cgit v1.1-26-g67d0