implemented CTrain

src/vehicles/Door.h

@@ -11,8 +11,9 @@ enum eDoorState
 	DOORST_CLOSED
 };
 
-struct CDoor
+class CDoor
 {
+public:
 	float m_fMaxAngle;
 	float m_fMinAngle;
 	// direction of rotation for air resistance
@@ -34,9 +35,35 @@ struct CDoor
 	}
 	void Open(float ratio);
 	void Process(CVehicle *veh);
-	float RetAngleWhenClosed(void);
+	float RetAngleWhenClosed(void);	// dead
 	float RetAngleWhenOpen(void);
 	float GetAngleOpenRatio(void);
 	bool IsFullyOpen(void);
-	bool IsClosed(void);
+	bool IsClosed(void);	// dead
+};
+
+class CTrainDoor
+{
+public:
+	float m_fClosedPosn;
+	float m_fOpenPosn;
+	int8 m_nDirn;
+	int8 m_nDoorState;	// same enum as above?
+	int8 m_nAxis;
+	float m_fPosn;
+	float m_fPrevPosn;
+	int field_14;	// unused?
+
+	CTrainDoor(void);
+	void Init(float open, float closed, int8 dir, int8 axis) {
+		m_fOpenPosn = open;
+		m_fClosedPosn = closed;
+		m_nDirn = dir;
+		m_nAxis = axis;
+	}
+	bool IsClosed(void);
+	bool IsFullyOpen(void);
+	float RetTranslationWhenClosed(void);
+	float RetTranslationWhenOpen(void);
+	void Open(float ratio);
 };