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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_CAMERA_MOVER_H
#define TITANIC_CAMERA_MOVER_H
namespace Titanic {
class CErrorCode;
class CStarVector;
class FMatrix;
class FVector;
class SimpleFile;
struct CNavigationInfo {
double _speed;
double _speedChangeCtr;
double _speedChangeInc;
double _unused;
double _maxSpeed;
double _unusedX;
double _unusedY;
double _unusedZ;
};
class CCameraMover : public CNavigationInfo {
public:
int _lockCounter;
CStarVector *_starVector;
public:
CCameraMover(const CNavigationInfo *src);
virtual ~CCameraMover();
virtual void copyFrom(const CNavigationInfo *src);
virtual void copyTo(CNavigationInfo *dest);
/**
* delete _starVector
*/
virtual void clear();
/**
* Set default values for CNavigationInfo
*/
virtual void reset();
/**
* Sets this CStarVector
*/
virtual void setVector(CStarVector *sv);
/**
* Increases movement speed in forward direction
*/
virtual void increaseForwardSpeed();
/**
* Decreases movement speed in backward direction
*/
virtual void increaseBackwardSpeed();
/**
* Increase to full speed
*/
virtual void fullSpeed();
/**
* Completely stop
*/
virtual void stop();
/**
* Move the mover from an old position and orientation to a new
* position and orientation
*/
virtual void transitionBetweenPosOrients(const FVector &oldPos, const FVector &newPos,
const FMatrix &oldOrientation, const FMatrix &newOrientation) {}
/**
* Start a movement to a given specified destination
*/
virtual void moveTo(const FVector &srcV, const FVector &destV, const FMatrix &orientation) {}
/**
* First two vectors are used to form a new orientation that gets transitioned to from the old
* orientation m.
*/
virtual void transitionBetweenOrientations(const FVector &v1, const FVector &v2, const FVector &v3, const FMatrix &m) {}
/**
* Update the passed position and orientation matrix
*/
virtual void updatePosition(CErrorCode &errorCode, FVector &pos, FMatrix &orientation) {}
/**
* Load the class
*/
virtual void load(SimpleFile *file, int val = 0);
/**
* Save the class
*/
virtual void save(SimpleFile *file, int indent);
/**
* Increment tthe lock counter
*/
void incLockCount();
/**
* Decrement the lock counter
*/
void decLockCount();
/**
* Returns true if the lock counter is non-zero
*/
bool isLocked() const { return _lockCounter > 0; }
};
} // End of namespace Titanic
#endif /* TITANIC_CAMERA_MOVER_H */
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