refactor: checkZonePower() to set PWR bit and count zones

git-svn-id: https://micropolis.googlecode.com/svn/trunk/micropolis-java@829 d9718cc8-9f43-0410-858b-315f434eb58c

src/micropolisj/engine/MapScanner.java

@@ -415,16 +415,7 @@ class MapScanner
 	void doZone()
 	{
 		// set power bit in map, from powermap
-		boolean zonePwrFlag = setZonePower();
-
-		if (zonePwrFlag)
-		{
-			city.poweredZoneCount++;
-		}
-		else
-		{
-			city.unpoweredZoneCount++;
-		}
+		boolean zonePwrFlag = checkZonePower();
 
 		if (isSpecialZone(cchr))
 		{
@@ -455,6 +446,22 @@ class MapScanner
 		return;
 	}
 
+	boolean checkZonePower()
+	{
+		boolean zonePwrFlag = setZonePower();
+
+		if (zonePwrFlag)
+		{
+			city.poweredZoneCount++;
+		}
+		else
+		{
+			city.unpoweredZoneCount++;
+		}
+
+		return zonePwrFlag;
+	}
+
 	boolean setZonePower()
 	{
 		// refresh cchr, cchr9, since this can get called after the