mirror of
https://github.com/libretro/scummvm.git
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158 lines
4.0 KiB
C++
158 lines
4.0 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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#include "titanic/star_control/motion_control.h"
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#include "titanic/star_control/base_stars.h"
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#include "titanic/star_control/error_code.h"
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#include "titanic/star_control/camera.h"
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#include "titanic/support/simple_file.h"
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namespace Titanic {
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void CCallbackHandler::apply() {
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_owner->addLockedStar(_vector);
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}
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/*------------------------------------------------------------------------*/
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CMotionControl::CMotionControl(const CNavigationInfo *src) {
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_lockCounter = 0;
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_callback = nullptr;
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if (src) {
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setMotion(src);
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} else {
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reset();
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}
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}
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CMotionControl::~CMotionControl() {
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clear();
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}
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void CMotionControl::clear() {
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if (_callback) {
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delete _callback;
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_callback = nullptr;
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}
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}
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void CMotionControl::reset() {
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_currVelocity = 0.0;
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_incVelocity = 0.0;
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_incAcceleration = 20.0;
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_minVelocity = 0.0;
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_maxVelocity = 50000.0;
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_rotationX = 1.0;
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_rotationY = 1.0;
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_rotationZ = 0.0;
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}
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void CMotionControl::setCallback(CCallbackHandler *callback) {
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clear();
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_callback = callback;
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}
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void CMotionControl::setMotion(const CNavigationInfo *src) {
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_currVelocity = src->_initialVelocity;
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_minVelocity = src->_minVelocity;
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_maxVelocity = src->_maxVelocity;
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_incVelocity = src->_velocity;
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_incAcceleration = src->_acceleration;
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_rotationX = src->_rotationX;
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_rotationY = src->_rotationY;
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_rotationZ = src->_rotationZ;
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}
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void CMotionControl::getMotion(CNavigationInfo *dest) {
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dest->_initialVelocity = _currVelocity;
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dest->_minVelocity = _minVelocity;
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dest->_maxVelocity = _maxVelocity;
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dest->_velocity = _incVelocity;
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dest->_acceleration = _incAcceleration;
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dest->_rotationX = _rotationX;
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dest->_rotationY = _rotationY;
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dest->_rotationZ = _rotationZ;
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}
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void CMotionControl::accelerate() {
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if (!isLocked() && _currVelocity < _maxVelocity) {
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_incVelocity += _incAcceleration;
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_currVelocity += ABS(_incVelocity);
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}
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}
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void CMotionControl::deccelerate() {
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if (!isLocked() && _currVelocity > -_maxVelocity) {
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_incVelocity -= _incAcceleration;
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_currVelocity -= ABS(_incVelocity);
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}
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}
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void CMotionControl::fullSpeed() {
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if (!isLocked())
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_currVelocity = _maxVelocity;
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}
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void CMotionControl::stop() {
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if (!isLocked()) {
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_currVelocity = 0.0;
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_incVelocity = 0.0;
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}
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}
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// TODO: this is confusing to negate the val value
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void CMotionControl::load(SimpleFile *file, int version) {
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if (version == 0) {
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_currVelocity = file->readFloat();
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_incVelocity = file->readFloat();
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_incAcceleration = file->readFloat();
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_minVelocity = file->readFloat();
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_maxVelocity = file->readFloat();
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_rotationX = file->readFloat();
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_rotationY = file->readFloat();
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_rotationZ = file->readFloat();
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}
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}
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void CMotionControl::save(SimpleFile *file, int indent) {
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file->writeFloatLine(_currVelocity, indent);
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file->writeFloatLine(_incVelocity, indent);
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file->writeFloatLine(_incAcceleration, indent);
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file->writeFloatLine(_minVelocity, indent);
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file->writeFloatLine(_maxVelocity, indent);
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file->writeFloatLine(_rotationX, indent);
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file->writeFloatLine(_rotationY, indent);
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file->writeFloatLine(_rotationZ, indent);
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}
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void CMotionControl::incLockCount() {
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if (_lockCounter < 3)
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++_lockCounter;
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}
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void CMotionControl::decLockCount() {
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if (_lockCounter > 0)
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--_lockCounter;
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}
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} // End of namespace Titanic
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