Fixed wall damage not being visible if there's only one damaged section

Subsurface/Source/Map/Structure.cs

@@ -488,7 +488,6 @@ namespace Barotrauma
             Draw(spriteBatch, false, false, damageEffect);
         }
 
-        private static float prevCutoff;
 
         private void Draw(SpriteBatch spriteBatch, bool editing, bool back = true, Effect damageEffect = null)
         {
@@ -527,14 +526,14 @@ namespace Barotrauma
                     {
                         float newCutoff = Math.Min((sections[i].damage / prefab.MaxHealth), 0.65f);
 
-                        if (Math.Abs(newCutoff - prevCutoff) > 0.01f)
+                        if (Math.Abs(newCutoff - Submarine.DamageEffectCutoff) > 0.01f)
                         {
                             damageEffect.Parameters["aCutoff"].SetValue(newCutoff);
                             damageEffect.Parameters["cCutoff"].SetValue(newCutoff * 1.2f);
 
                             damageEffect.CurrentTechnique.Passes[0].Apply();
 
-                            prevCutoff = newCutoff;
+                            Submarine.DamageEffectCutoff = newCutoff;
                         }
                     }
 

Subsurface/Source/Map/Submarine.cs

@@ -373,6 +373,9 @@ namespace Barotrauma
             }
         }
 
+
+        public static float DamageEffectCutoff;
+
         public static void DrawDamageable(SpriteBatch spriteBatch, Effect damageEffect, bool editing = false)
         {
             var entitiesToRender = !editing && visibleEntities != null ? visibleEntities : MapEntity.mapEntityList;
@@ -386,6 +389,8 @@ namespace Barotrauma
             {
                 damageEffect.Parameters["aCutoff"].SetValue(0.0f);
                 damageEffect.Parameters["cCutoff"].SetValue(0.0f);
+
+                DamageEffectCutoff = 0.0f;
             }
         }