4 files changed, 9 insertions, 7 deletions

diff --git a/src/core/Camera.cpp b/src/core/Camera.cpp
index adb3e571..373ede7d 100644
--- a/src/core/Camera.cpp
+++ b/src/core/Camera.cpp
@@ -214,7 +214,7 @@ CCamera::Init(void)
 	m_iModeToGoTo = CCam::MODE_FOLLOWPED;
 	m_bJust_Switched = false;
 	m_bUseTransitionBeta = false;
-	m_matrix.SetScale(1.0f);
+	GetMatrix().SetScale(1.0f);
 	m_bTargetJustBeenOnTrain = false;
 	m_bInitialNoNodeStaticsSet = false;
 	m_uiLongestTimeInMill = 5000;
@@ -4019,7 +4019,7 @@ CCamera::SetRwCamera(RwCamera *cam)
 void
 CCamera::CalculateDerivedValues(void)
 {
-	m_cameraMatrix = Invert(m_matrix);
+	m_cameraMatrix = Invert(GetMatrix());
 
 	float hfov = DEGTORAD(CDraw::GetScaledFOV()/2.0f);
 	float c = Cos(hfov);
diff --git a/src/core/FileLoader.cpp b/src/core/FileLoader.cpp
index e5d13b2f..d57bdd92 100644
--- a/src/core/FileLoader.cpp
+++ b/src/core/FileLoader.cpp
@@ -1279,7 +1279,7 @@ CFileLoader::LoadObjectInstance(const char *line)
 	if(!CStreaming::IsObjectInCdImage(id))
 		debug("Not in cdimage %s\n", mi->GetModelName());
 
-	angle = -RADTODEG(2.0f * acosf(angle));
+	angle = -RADTODEG(2.0f * Acos(angle));
 	xform = RwMatrixCreate();
 	RwMatrixRotate(xform, &axis, angle, rwCOMBINEREPLACE);
 	RwMatrixTranslate(xform, &trans, rwCOMBINEPOSTCONCAT);
diff --git a/src/core/Placeable.h b/src/core/Placeable.h
index b0f9a15a..9c8c292a 100644
--- a/src/core/Placeable.h
+++ b/src/core/Placeable.h
@@ -2,12 +2,13 @@
 
 class CPlaceable
 {
+protected:
+	CMatrix m_matrix;
+
 public:
 	// disable allocation
 	static void *operator new(size_t);
 
-	CMatrix m_matrix;
-
 	CPlaceable(void);
 	const CVector &GetPosition(void) { return m_matrix.GetPosition(); }
 	void SetPosition(float x, float y, float z) {
@@ -20,6 +21,7 @@ public:
 	CVector &GetForward(void) { return m_matrix.GetForward(); }
 	CVector &GetUp(void) { return m_matrix.GetUp(); }
 	CMatrix &GetMatrix(void) { return m_matrix; }
+	void SetMatrix(CMatrix &newMatrix) { m_matrix = newMatrix; }
 	void SetTransform(RwMatrix *m) { m_matrix = CMatrix(m, false); }
 	void SetHeading(float angle);
 	void SetOrientation(float x, float y, float z){
diff --git a/src/core/World.cpp b/src/core/World.cpp
index 1bf3611b..9ea999dc 100644
--- a/src/core/World.cpp
+++ b/src/core/World.cpp
@@ -1486,7 +1486,7 @@ CWorld::CallOffChaseForAreaSectorListVehicles(CPtrList &list, float x1, float y1
 				CColModel *pColModel = pVehicle->GetColModel();
 				bool bInsideSphere = false;
 				for(int32 i = 0; i < pColModel->numSpheres; i++) {
-					CVector pos = pVehicle->m_matrix * pColModel->spheres[i].center;
+					CVector pos = pVehicle->GetMatrix() * pColModel->spheres[i].center;
 					float fRadius = pColModel->spheres[i].radius;
 					if(pos.x + fRadius > x1 && pos.x - fRadius < x2 && pos.y + fRadius > y1 &&
 					   pos.y - fRadius < y2)
@@ -1801,7 +1801,7 @@ CWorld::RepositionOneObject(CEntity *pEntity)
 		position.z = FindGroundZFor3DCoord(position.x, position.y,
 		                                           position.z + OBJECT_REPOSITION_OFFSET_Z, nil) -
 		             fBoundingBoxMinZ;
-		pEntity->m_matrix.UpdateRW();
+		pEntity->GetMatrix().UpdateRW();
 		pEntity->UpdateRwFrame();
 	} else if(modelId == MI_BUOY) {
 		float fWaterLevel = 0.0f;