(svn r17106) -Codechange: move computation of station's catchment rectagle to separate function

src/station.cpp

@@ -239,6 +239,27 @@ uint Station::GetCatchmentRadius() const
 	return ret;
 }
 
+/**
+ * Determines catchment rectangle of this station
+ * @return clamped catchment rectangle
+ */
+Rect Station::GetCatchmentRect() const
+{
+	assert(!this->rect.IsEmpty());
+
+	/* Compute acceptance rectangle */
+	int catchment_radius = this->GetCatchmentRadius();
+
+	Rect ret = {
+		max<int>(this->rect.left   - catchment_radius, 0),
+		max<int>(this->rect.top    - catchment_radius, 0),
+		min<int>(this->rect.right  + catchment_radius, MapMaxX()),
+		min<int>(this->rect.bottom + catchment_radius, MapMaxY())
+	};
+
+	return ret;
+}
+
 /** Rect and pointer to IndustryVector */
 struct RectAndIndustryVector {
 	Rect rect;
@@ -290,16 +311,8 @@ void Station::RecomputeIndustriesNear()
 	this->industries_near.Clear();
 	if (this->rect.IsEmpty()) return;
 
-	/* Compute acceptance rectangle */
-	int catchment_radius = this->GetCatchmentRadius();
-
 	RectAndIndustryVector riv = {
-		{
-			max<int>(this->rect.left   - catchment_radius, 0),
-			max<int>(this->rect.top    - catchment_radius, 0),
-			min<int>(this->rect.right  + catchment_radius, MapMaxX()),
-			min<int>(this->rect.bottom + catchment_radius, MapMaxY())
-		},
+		this->GetCatchmentRect(),
 		&this->industries_near
 	};
 

src/station_base.h

@@ -101,6 +101,7 @@ public:
 	static void RecomputeIndustriesNearForAll();
 
 	uint GetCatchmentRadius() const;
+	Rect GetCatchmentRect() const;
 
 	/* virtual */ FORCEINLINE bool TileBelongsToRailStation(TileIndex tile) const
 	{