icon预览和自动生成

Assets/Scripts/UI/Common/ModelViewer/ModelViewer.cs

@@ -1,5 +1,6 @@
 // 本脚本只在不存在时会生成一次。组件逻辑写在当前脚本内。已存在不会再次生成覆盖 
 
+using System.IO;
 using UnityEngine;
 using FairyGUI;
 using NBC;
@@ -11,9 +12,14 @@ namespace NBF
     {
         ModelViewRenderImage _renderImage;
 
+        public ModelViewRenderImage RenderImage => _renderImage;
         private Transform ModelRoot => _renderImage?.modelRoot;
         private Camera ViewCamera => _renderImage.Camera;
 
+        public ModelViewerSettings ViewerSettings => _renderImage.ViewerSettings;
+
+        private ItemConfig _itemConfig;
+
         private void OnInited()
         {
             _renderImage = new ModelViewRenderImage(ModelHolder.asGraph);
@@ -38,16 +44,22 @@ namespace NBF
 
         public void SetData(ItemConfig itemConfig)
         {
-            _renderImage.LoadModel("gfx/" + itemConfig.Model);
+            _itemConfig = itemConfig;
+            _renderImage.LoadModel(itemConfig.GetModelPath(), ModelViewerSettings.Load(itemConfig.Id));
         }
 
+        public void ReSetSetting(ItemConfig itemConfig)
+        {
+            _renderImage.LoadModel(itemConfig.GetModelPath(), null);
+        }
 
         #region 用户输入操作(滑动，拖动等)
+
         private bool _focus;
-        
+
         private float _minFOV = 10f;
         private float _maxFOV = 120f;
-        
+
         private void SetRotateListening()
         {
             var dragObj = TouchHolder;
@@ -104,10 +116,63 @@ namespace NBF
             float delta = context.inputEvent.mouseWheelDelta / Stage.devicePixelRatio;
             SetZoom(delta);
         }
+
         private void SetZoom(float delta)
         {
             ViewCamera.fieldOfView = Mathf.Clamp(ViewCamera.fieldOfView + delta, _minFOV, _maxFOV);
         }
+
+        #endregion
+
+        #region 保存png
+
+        public void SaveRenderTextureToPNG()
+        {
+#if UNITY_EDITOR
+            RenderTexture rt = RenderImage.RT;
+            if (rt == null)
+            {
+                Debug.LogWarning("RenderTexture 为 null，无法保存。");
+                return;
+            }
+
+            RenderTexture current = RenderTexture.active;
+            RenderTexture.active = rt;
+
+            Texture2D tex = new Texture2D(rt.width, rt.height, TextureFormat.RGBA32, false);
+            tex.ReadPixels(new Rect(0, 0, rt.width, rt.height), 0, 0);
+            tex.Apply();
+
+            Texture2D resizedTex = new Texture2D(256, 256, TextureFormat.RGBA32, false);
+
+            // 使用双线性滤波进行缩放
+            for (int y = 0; y < 256; y++)
+            {
+                for (int x = 0; x < 256; x++)
+                {
+                    // 计算在原始纹理中的对应坐标
+                    float u = (float)x / 255f;
+                    float v = (float)y / 255f;
+
+                    // 获取插值后的颜色
+                    Color color = tex.GetPixelBilinear(u, v);
+                    resizedTex.SetPixel(x, y, color);
+                }
+            }
+
+            resizedTex.Apply();
+
+            byte[] bytes = resizedTex.EncodeToPNG();
+            var path = Path.Combine(Application.dataPath, $"Resources/Icons/{_itemConfig.Id}.png");
+            File.WriteAllBytes(path, bytes);
+            Debug.Log($"✅ RenderTexture 已保存到: {path}");
+            Notices.Info($"生成：{_itemConfig.Id}");
+
+            Object.Destroy(tex);
+            RenderTexture.active = current;
+#endif
+        }
+
         #endregion
     }
 }