From 71fd9b79e2a5f15658dd369d5f7d1e5fb27783a3 Mon Sep 17 00:00:00 2001
From: Paul Gilbert
Date: Sun, 4 Jun 2017 15:47:01 -0400
Subject: TITANIC: Fix saving locked marker vectors into camera rotation matrix

---
 engines/titanic/star_control/star_camera.cpp | 3 +--
 engines/titanic/star_control/star_camera.h   | 9 ++++++++-
 2 files changed, 9 insertions(+), 3 deletions(-)

(limited to 'engines/titanic/star_control')

diff --git a/engines/titanic/star_control/star_camera.cpp b/engines/titanic/star_control/star_camera.cpp
index f3442763e1..b84664ecfe 100644
--- a/engines/titanic/star_control/star_camera.cpp
+++ b/engines/titanic/star_control/star_camera.cpp
@@ -235,7 +235,6 @@ void CStarCamera::setViewportAngle(const FPoint &angles) {
 		proc22(sub);
 	} else if (_matrixRow == 0) {
 		// 1 marker is locked in
-
 		FVector row1 = _matrix._row1;
 		FPose poseX(X_AXIS, angles._y);
 		FPose poseY(Y_AXIS, angles._x);
@@ -354,7 +353,7 @@ void CStarCamera::setViewportAngle(const FPoint &angles) {
 	}
 }
 
-bool CStarCamera::addMatrixRow(const FVector &v) {
+bool CStarCamera::addMatrixRow(const FVector v) {
 	if (_matrixRow >= 2)
 		return false;
 
diff --git a/engines/titanic/star_control/star_camera.h b/engines/titanic/star_control/star_camera.h
index feeb73ae3f..21a2ebcff6 100644
--- a/engines/titanic/star_control/star_camera.h
+++ b/engines/titanic/star_control/star_camera.h
@@ -156,7 +156,14 @@ public:
 	virtual void setViewportAngle(const FPoint &angles);
 
 	virtual int getMatrixRow() const { return _matrixRow; }
-	virtual bool addMatrixRow(const FVector &v);
+
+	/**
+	 * Adds the row for a locked in marker
+	 * @remarks		This can't be a pass-by-reference, since adding
+	 * the vector for the star destroys the calling star vector
+	 */
+	virtual bool addMatrixRow(const FVector v);
+
 	virtual bool removeMatrixRow();
 	virtual void proc36(double *v1, double *v2, double *v3, double *v4);
 
-- 
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