scummvm/engines/titanic/star_control/flight_manager_marked.cpp
2021-12-26 18:48:43 +01:00

103 lines
2.7 KiB
C++

/* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "titanic/star_control/flight_manager_marked.h"
#include "titanic/star_control/error_code.h"
namespace Titanic {
void CMarkedAutoMover::setFlight(const FVector &oldPos, const FVector &newPos,
const FMatrix &oldOrientation, const FMatrix &newOrientation) {
CFlightManagerBase::setPath(oldPos, newPos);
double distance = _distance;
_active = true;
_flight = true;
buildMotionTable(120, 4, distance);
_orientationChanger.load(oldOrientation, newOrientation);
_currentSpin = 0.0;
if (_totCount == 0) {
_spinStep = 0.1;
_active = true;
} else {
_spinStep = 1.0 / _totCount;
_active = true;
}
}
MoverState CMarkedAutoMover::move(CErrorCode &errorCode, FVector &pos, FMatrix &orientation) {
if (!_active)
return NOT_ACTIVE;
_currentSpin += _spinStep;
orientation = _orientationChanger.getOrientation(_currentSpin);
errorCode.set();
if (_accCount >= 0) {
double speedVal = _gammaTable[_accCount];
pos += _direction * speedVal;
getVectorOnPath(pos);
--_accCount;
errorCode.set();
return MOVING;
} else if (_traCount > 0) {
pos += _direction * _step;
getVectorOnPath(pos);
--_traCount;
errorCode.set();
return MOVING;
} else if (_decCount >= 0) {
double speedVal = _gammaTable[GAMMA_TABLE_SIZE - 1 - _decCount];
pos += _direction * speedVal;
getVectorOnPath(pos);
--_decCount;
errorCode.set();
return MOVING;
} else {
_active = false;
return DONE_MOVING;
}
}
void CMarkedAutoMover::getVectorOnPath(FVector &pos) const {
double distance = _direction.getDistance(pos);
distance /= _distance;
if (distance <= 0.0) {
pos = _srcPos;
} else if (distance >= 1.0) {
pos = _destPos;
} else {
pos = FVector(
(_destPos._x - _srcPos._x) * distance + _srcPos._x,
(_destPos._y - _srcPos._y) * distance + _srcPos._y,
(_destPos._z - _srcPos._z) * distance + _srcPos._z
);
}
}
} // End of namespace Titanic