5 files changed, 22 insertions, 16 deletions
diff --git a/engines/titanic/module.mk b/engines/titanic/module.mk
index 325263d7f2..cdb3a64b3c 100644
--- a/engines/titanic/module.mk
+++ b/engines/titanic/module.mk
@@ -436,10 +436,10 @@ MODULE_OBJS := \
 	star_control/dvector.o \
 	star_control/fmatrix.o \
 	star_control/fpoint.o \
+	star_control/frange.o \
 	star_control/frect.o \
 	star_control/fvector.o \
 	star_control/star_control_sub2.o \
-	star_control/star_control_sub4.o \
 	star_control/star_control_sub5.o \
 	star_control/star_control_sub6.o \
 	star_control/star_control_sub7.o \
diff --git a/engines/titanic/star_control/base_star.cpp b/engines/titanic/star_control/base_star.cpp
index 97ed683bbd..ffe5fd05b4 100644
--- a/engines/titanic/star_control/base_star.cpp
+++ b/engines/titanic/star_control/base_star.cpp
@@ -67,11 +67,11 @@ void CBaseStar::clear() {
 void CBaseStar::initialize() {
 	_minVal = 9.9999998e10;
 	_maxVal = -9.9999998e10;
-	_sub4.initialize();
+	_minMax.reset();
 
 	for (uint idx = 0; idx < _data.size(); ++idx) {
 		const CBaseStarEntry *entry = getDataPtr(idx);
-		_sub4.checkEntry(entry->_position);
+		_minMax.expand(entry->_position);
 
 		if (entry->_value < _minVal)
 			_minVal = entry->_value;
diff --git a/engines/titanic/star_control/base_star.h b/engines/titanic/star_control/base_star.h
index 57be804652..1c75efd26b 100644
--- a/engines/titanic/star_control/base_star.h
+++ b/engines/titanic/star_control/base_star.h
@@ -24,7 +24,7 @@
 #define TITANIC_STAR_CONTROL_SUB3_H
 
 #include "titanic/support/simple_file.h"
-#include "titanic/star_control/star_control_sub4.h"
+#include "titanic/star_control/frange.h"
 #include "titanic/star_control/star_control_sub5.h"
 #include "titanic/star_control/surface_area.h"
 
@@ -68,7 +68,7 @@ private:
 	void draw4(CSurfaceArea *surfaceArea, CStarControlSub12 *sub12, CStarControlSub5 *sub5);
 protected:
 	Common::Array<CBaseStarEntry> _data;
-	CStarControlSub4 _sub4;
+	FRange _minMax;
 	double _minVal;
 	double _maxVal;
 	double _range;
diff --git a/engines/titanic/star_control/star_control_sub4.cpp b/engines/titanic/star_control/frange.cpp
index 6ce0795c25..e70976d6cd 100644
--- a/engines/titanic/star_control/star_control_sub4.cpp
+++ b/engines/titanic/star_control/frange.cpp
@@ -21,19 +21,19 @@
  */
 
 #include "common/algorithm.h"
-#include "titanic/star_control/star_control_sub4.h"
+#include "titanic/star_control/frange.h"
 
 namespace Titanic {
 
-CStarControlSub4::CStarControlSub4() {
+FRange::FRange() {
 }
 
-void CStarControlSub4::initialize() {
+void FRange::reset() {
 	_min._x = _min._y = _min._z = 9.9999994e27;
 	_max._x = _max._y = _max._z = -9.9999994e27;
 }
 
-void CStarControlSub4::checkEntry(const FVector &v) {
+void FRange::expand(const FVector &v) {
 	_min._x = MIN(_min._x, v._x);
 	_min._y = MIN(_min._y, v._y);
 	_min._z = MIN(_min._z, v._z);
diff --git a/engines/titanic/star_control/star_control_sub4.h b/engines/titanic/star_control/frange.h
index 43c8ab5f79..f36aa2c538 100644
--- a/engines/titanic/star_control/star_control_sub4.h
+++ b/engines/titanic/star_control/frange.h
@@ -20,25 +20,31 @@
  *
  */
 
-#ifndef TITANIC_STAR_CONTROL_SUB4_H
-#define TITANIC_STAR_CONTROL_SUB4_H
+#ifndef TITANIC_FRANGE_H
+#define TITANIC_FRANGE_H
 
 #include "titanic/star_control/fvector.h"
 
 namespace Titanic {
 
-class CStarControlSub4 {
+class FRange {
 private:
 	FVector _min;
 	FVector _max;
 public:
-	CStarControlSub4();
+	FRange();
 
-	void initialize();
+	/**
+	 * Resets the minimum & maximum vector values
+	 */
+	void reset();
 
-	void checkEntry(const FVector &v);
+	/**
+	 * Expands the minimum & maximum as necessary to encompass the passed vector/
+	 */
+	void expand(const FVector &v);
 };
 
 } // End of namespace Titanic
 
-#endif /* TITANIC_STAR_CONTROL_SUB4_H */
+#endif /* TITANIC_FRANGE_H */