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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef TITANIC_STAR_CAMERA_H
#define TITANIC_STAR_CAMERA_H
#include "titanic/star_control/fmatrix.h"
#include "titanic/star_control/base_stars.h"
#include "titanic/star_control/viewport.h"
namespace Titanic {
class CCameraMover;
class CErrorCode;
struct CNavigationInfo;
class FPoint;
class SimpleFile;
enum StarLockState { ZERO_LOCKED=0, ONE_LOCKED=1, TWO_LOCKED=2, THREE_LOCKED=3 };
/**
* Implements a reference point from which the starmap can be viewed
*/
class CStarCamera {
private:
static FMatrix *_priorOrientation;
static FMatrix *_newOrientation;
private:
StarLockState _starLockState;
FMatrix _lockedStarsPos; // Each row represents the location of a locked star
CCameraMover *_mover;
CViewport _viewport;
bool _isMoved; // TODO: determine if this is being used
bool _isInLockingProcess; // The mover/view is homing in on a new star
private:
/**
* Set up a handler
*/
bool setupHandler(const CNavigationInfo *src);
/**
* Deletes any previous handler
*/
void deleteHandler();
/**
* Return whether the handler is locked
*/
bool isLocked();
public:
static void init();
static void deinit();
public:
CStarCamera(const CNavigationInfo *data);
CStarCamera(CViewport *src);
virtual ~CStarCamera();
virtual void proc2(const CViewport *src);
virtual void proc3(const CNavigationInfo *src);
/**
* The mover/view is not currently homing in on a new star
* This can mean it is unmarked, or that it is fully locked
* onto one star or more (but not in the process of doing so)
*/
bool isNotInLockingProcess();
/**
* Set the camera position
*/
virtual void setPosition(const FVector &v);
/**
* Sets the camera orientation
*/
virtual void setOrientation(const FVector &v);
virtual void proc6(int v);
virtual void proc7(int v);
virtual void proc8(int v);
virtual void setCenterYAngle(int v);
virtual void setCenterZAngle(int v);
virtual void randomizeOrientation();
virtual void proc12(StarMode mode, double v2);
virtual void proc13(CViewport *dest);
/**
* Sets the destination to move the camera to
*/
virtual void setDestination(const FVector &v);
/**
* Updates the camera position
*/
virtual void updatePosition(CErrorCode *errorCode);
/**
* Increases movement speed in forward direction
*/
virtual void increaseForwardSpeed();
/**
* Increases movement speed in backward direction
*/
virtual void increaseBackwardSpeed();
/**
* Increase to full speed
*/
virtual void fullSpeed();
/**
* Completely stop
*/
virtual void stop();
virtual void reposition(double factor);
/**
* Set the camera position
*/
virtual void setPosition(const FPose &pose);
virtual void changeOrientation(FMatrix &m);
/**
* Get the position and direction of the camera
*/
virtual FPose getPose();
virtual FPose getRawPose();
virtual double getThreshold() const;
virtual double proc26() const;
virtual StarColor getStarColor() const;
/**
* Return the passed vector relative to the center of the viewpoint
*/
virtual FVector getRelativePos(int index, const FVector &src);
virtual FVector getRelativePosNoCentering(int index, const FVector &src);
virtual FVector proc30(int index, const FVector &v);
virtual FVector proc31(int index, const FVector &v);
/**
* Sets the viewport position within the starfield
*/
virtual void setViewportAngle(const FPoint &angles);
/**
* How many stars are currently locked onto
*/
virtual StarLockState getStarLockState() const { return _starLockState; }
/**
* Adds the row for a locked in marker/star
* @remarks This can't be a pass-by-reference, since adding
* the vector for the star destroys the calling star vector
*/
virtual bool addLockedStar(const FVector v);
/**
* Removes the most recent locked in marker/star
* @remarks This can't be a pass-by-reference, since adding
* the vector for the star destroys the calling star vector
*/
virtual bool removeLockedStar();
/**
* All arguments are return values
* First is the x center coordinate relative to y
* Second is the x center coordinate relative to z
* Third is the first x center pixel offset
* Fourth is the second x center pixel offset
*/
virtual void getRelativeXCenterPixels(double *v1, double *v2, double *v3, double *v4);
/**
* Load the data for the class from file
*/
virtual void load(SimpleFile *file, int param);
/**
* Save the data for the class to file
*/
virtual void save(SimpleFile *file, int indent);
/**
* Calculates the angle of rotation of y that achieves
* the minimum distance to x.
* The angle is in degrees.
* Also returns the minimum distance calculated
*/
float calcAngleForMinDist(FVector &x, FVector &y, float &minDistance);
/**
* Returns true for whether the camera has been moved
*/
bool isMoved() const { return _isMoved; }
/**
* Sets the camera as having been moved
*/
void setIsMoved() { _isMoved = true; }
/**
* Resets the flag for whether the camera has moved
*/
void clearIsMoved() { _isMoved = false; }
/**
* Lock in the first matched star marker
*/
bool lockMarker1(FVector v1, FVector v2, FVector v3);
/**
* Lock in the second matched star marker
*/
bool lockMarker2(CViewport *viewport, const FVector &v);
/**
* Lock in the third and final matched star marker
*/
bool lockMarker3(CViewport *viewport, const FVector &v);
};
} // End of namespace Titanic
#endif /* TITANIC_STAR_CAMERA_H */
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