fix(fix-system): 修复线缆未跟随环境光变色

Assets/Scripts/FixSystemNew/Cable/CableMeshRenderer.cs

@@ -37,6 +37,7 @@ public class CableMeshRenderer : MonoBehaviour
 
     private float _tipTaperFraction; // 末端收窄段占全长比例(0 关闭)
     private float _tipTaperScale = 1f;
+    private Color _environmentTint = Color.white;
 
     private readonly List<Vector3> _vertices = new(1024);
     private readonly List<Color32> _colors = new(1024);
@@ -69,6 +70,14 @@ public class CableMeshRenderer : MonoBehaviour
         _bands = bands ?? System.Array.Empty<Band>();
     }
 
+    /// <summary>
+    /// 设置动态网格的环境光色调。RGB 会调制各色带，Alpha 保持原值。
+    /// </summary>
+    public void SetEnvironmentTint(Color tint)
+    {
+        _environmentTint = tint;
+    }
+
     /// <summary>末端宽度收窄:最后 fraction 段从全宽线性收到 scale 倍(线头略细于孔圈)。</summary>
     public void SetTipTaper(float fraction, float scale)
     {
@@ -124,7 +133,11 @@ public class CableMeshRenderer : MonoBehaviour
     {
         int baseIndex = _vertices.Count;
         float half = band.width * 0.5f;
-        Color32 color = band.color;
+        Color32 color = new Color(
+            band.color.r * _environmentTint.r,
+            band.color.g * _environmentTint.g,
+            band.color.b * _environmentTint.b,
+            band.color.a);
 
         for (int i = start; i < count; i++)
         {

Assets/Scripts/FixSystemNew/Cable/PhysicCable.cs

@@ -699,6 +699,10 @@ public class PhysicCable : MonoBehaviour
         }
 
         // 插接时线缆末端由平头切面改为圆头端帽(线自身的圆头,同旧 LineRenderer),读作"插进孔里"
+        var panelLight = AibisDream.FixSystem.FixPanelSystem.Instance?.PanelLight;
+        _cableMesh.SetEnvironmentTint(panelLight != null
+            ? panelLight.CurrentEnvironmentTint
+            : Color.white);
         _cableMesh.UpdateMesh(src, count, FindTailStart(count), State == CableState.Plugged);
     }
 

Assets/Scripts/FixSystemNew/Screen System/Core/FixPanelLight.cs

@@ -32,6 +32,8 @@ namespace AibisDream.FixSystem
         private const string PANEL_LIGHT_OFF_SFX = "event:/ActionFB/light_flicker_off";
         private const float MIN_FLICKER_INTERVAL = 3f;
         private const float MAX_FLICKER_INTERVAL = 8f;
+        private const float ENVIRONMENT_COLOR_INFLUENCE = 0.65f;
+        private const float ENVIRONMENT_INTENSITY_INFLUENCE = 0.35f;
 
         #endregion
 
@@ -87,6 +89,38 @@ namespace AibisDream.FixSystem
         private Tween lightStateTransitionTween;
         private LightState currentState = LightState.Normal;
 
+        /// <summary>
+        /// 当前环境灯相对于 Normal 状态的实时色调。
+        /// 用于无法直接接收 URP 2D Light 的动态网格等渲染对象。
+        /// </summary>
+        public Color CurrentEnvironmentTint
+        {
+            get
+            {
+                if (environmentLight == null) return Color.white;
+
+                float currentIntensity = Mathf.Max(0f, environmentLight.intensity);
+                if (currentIntensity <= Mathf.Epsilon) return Color.black;
+
+                float intensityScale = currentIntensity /
+                                       Mathf.Max(0.01f, normalEnvironmentIntensity);
+                Color lightColor = environmentLight.color;
+                Color softenedColor = Color.Lerp(
+                    Color.white,
+                    new Color(lightColor.r, lightColor.g, lightColor.b, 1f),
+                    ENVIRONMENT_COLOR_INFLUENCE);
+                float softenedIntensity = Mathf.Lerp(
+                    1f,
+                    intensityScale,
+                    ENVIRONMENT_INTENSITY_INFLUENCE);
+                return new Color(
+                    softenedColor.r * softenedIntensity,
+                    softenedColor.g * softenedIntensity,
+                    softenedColor.b * softenedIntensity,
+                    1f);
+            }
+        }
+
         #endregion
 
         #region 生命周期