生产线样式,添加图标测试

scripts/ui/ProductionLineItem.cs

@@ -30,6 +30,12 @@ public partial class ProductionLineItem : Panel
         progressFill = GetNode<ColorRect>("MarginContainer/VBoxContainer/ProgressContainer/ProgressFill");
         iconTexture = GetNode<TextureRect>("MarginContainer/VBoxContainer/TopRow/IconTexture");
         
+        // 设置进度条初始状态
+        if (progressFill != null)
+        {
+            progressFill.AnchorRight = 0.0f;
+        }
+        
         // 连接按钮信号
         addButton.Pressed += OnAddButtonPressed;
         removeButton.Pressed += OnRemoveButtonPressed;
@@ -130,11 +136,16 @@ public partial class ProductionLineItem : Panel
         
         if (ResourceLoader.Exists(iconPath))
         {
-            var texture = GD.Load<Texture2D>(iconPath);
-            if (texture != null)
+            // 尝试加载为Texture2D资源
+            var resource = ResourceLoader.Load(iconPath);
+            if (resource is Texture2D texture)
             {
                 iconTexture.Texture = texture;
             }
+            else
+            {
+                GD.PrintErr($"资源不是Texture2D类型: {iconPath}");
+            }
         }
     }
 
@@ -175,8 +186,12 @@ public partial class ProductionLineItem : Panel
                 productionLabel.Text = "0/s";
             }
             
-            // 更新进度条
-            progressFill.AnchorRight = status.Progress;
+            // 更新进度条（添加边界检查，避免闪烁）
+            float newProgress = Mathf.Clamp(status.Progress, 0.0f, 1.0f);
+            if (progressFill.AnchorRight != newProgress)
+            {
+                progressFill.AnchorRight = newProgress;
+            }
             
             // 更新按钮状态
             UpdateButtonStates();