168 lines
3.8 KiB
C++
168 lines
3.8 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef TITANIC_MOTION_CONTROL_H
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#define TITANIC_MOTION_CONTROL_H
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#include "titanic/star_control/fmatrix.h"
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namespace Titanic {
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class CCamera;
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class CErrorCode;
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class FMatrix;
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class FVector;
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class SimpleFile;
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struct CNavigationInfo {
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double _initialVelocity;
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double _minVelocity;
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double _maxVelocity;
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double _velocity;
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double _acceleration;
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double _rotationX;
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double _rotationY;
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double _rotationZ;
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};
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/**
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* Handles doing a callback to the starfield to lock in a star after movement finishes
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*/
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class CCallbackHandler {
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private:
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CCamera *_owner;
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FVector _vector;
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public:
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CCallbackHandler(CCamera *owner, const FVector &v) : _owner(owner), _vector(v) {
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}
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/**
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* Locks in the star at the given position
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*/
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void apply();
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};
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class CMotionControl {
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protected:
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double _currVelocity;
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double _incVelocity;
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double _incAcceleration;
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double _minVelocity;
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double _maxVelocity;
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double _rotationX;
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double _rotationY;
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double _rotationZ;
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public:
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int _lockCounter;
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CCallbackHandler *_callback;
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public:
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CMotionControl(const CNavigationInfo *src);
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virtual ~CMotionControl();
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virtual void setMotion(const CNavigationInfo *src);
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virtual void getMotion(CNavigationInfo *dest);
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/**
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* delete _starVector
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*/
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virtual void clear();
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/**
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* Set default values for CNavigationInfo
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*/
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virtual void reset();
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/**
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* Sets this CCallbackHandler
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*/
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virtual void setCallback(CCallbackHandler *callback);
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/**
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* Increases movement speed in forward direction
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*/
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virtual void accelerate();
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/**
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* Decreases movement speed in backward direction
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*/
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virtual void deccelerate();
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/**
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* Increase to full speed
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*/
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virtual void fullSpeed();
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/**
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* Completely stop
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*/
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virtual void stop();
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/**
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* Move the mover from an old position and orientation to a new
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* position and orientation
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*/
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virtual void transitionBetweenPosOrients(const FVector &oldPos, const FVector &newPos,
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const FMatrix &oldOrientation, const FMatrix &newOrientation) {}
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/**
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* Start a movement to a given specified destination
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*/
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virtual void moveTo(const FVector &srcV, const FVector &destV, const FMatrix &orientation) {}
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/**
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* First two vectors are used to form a new orientation that gets transitioned to from the old
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* orientation m.
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*/
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virtual void transitionBetweenOrientations(const FVector &v1, const FVector &v2, const FVector &v3, const FMatrix &m) {}
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/**
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* Update the passed position and orientation matrix
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*/
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virtual void updatePosition(CErrorCode &errorCode, FVector &pos, FMatrix &orientation) {}
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/**
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* Load the class
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*/
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virtual void load(SimpleFile *file, int version = 0);
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/**
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* Save the class
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*/
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virtual void save(SimpleFile *file, int indent);
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/**
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* Increment tthe lock counter
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*/
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void incLockCount();
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/**
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* Decrement the lock counter
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*/
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void decLockCount();
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/**
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* Returns true if the lock counter is non-zero
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*/
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bool isLocked() const { return _lockCounter > 0; }
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};
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} // End of namespace Titanic
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#endif /* TITANIC_MOTION_CONTROL_H */
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