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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.
*
*/
#include "titanic/star_control/star_control_sub23.h"
#include "common/textconsole.h"
namespace Titanic {
CStarControlSub23::CStarControlSub23() : _srcPos(0.0, 1000000.0, 0.0) {
_field4 = 0;
_active = false;
_distance = 0.0;
_field34 = false;
_field38 = 0.0;
_field3C = 0;
_field40 = 0;
_field44 = 0;
_field48 = 0;
_field4C = 0;
_field54 = 0;
_transitionPercent = 0.0;
_transitionPercentInc = 0.0;
}
void CStarControlSub23::proc2(FVector &oldPos, FVector &newPos,
FMatrix &oldOrientation, FMatrix &newOrientation) {
_srcPos = oldPos;
_destPos = newPos;
_posDelta = _destPos - _srcPos;
_distance = _posDelta.normalize();
_active = false;
_field34 = false;
_transitionPercent = 1.0;
_field40 = -1;
_field44 = -1;
_field48 = -1;
_field4C = 0;
}
void CStarControlSub23::proc3(const FMatrix &srcOrient, const FMatrix &destOrient) {
_srcPos.clear();
_destPos.clear();
_transitionPercent = 1.0;
_distance = 0.0;
_active = false;
_field34 = false;
}
void CStarControlSub23::setPath(const FVector &srcV, const FVector &destV, const FMatrix &orientation) {
_srcPos = srcV;
_destPos = destV;
_posDelta = _destPos - _srcPos;
_distance = _posDelta.normalize();
_active = false;
_field34 = false;
_field40 = -1;
_field44 = -1;
_field48 = -1;
_field4C = -1;
_transitionPercent = 1.0;
}
void CStarControlSub23::proc6(int val1, int val2, float val) {
_field44 = val1;
_field4C = val1 + 62;
_field38 = val / (double)(val1 + val2 * 2);
_field40 = 31;
_field48 = 31;
_field3C = (double)val2 * _field38;
// Calculate the powers table
double base = 0.0, total = 0.0;
_powers.resize(32);
for (int idx = 31; idx >= 0; --idx) {
_powers[idx] = pow(base, 4.0);
total += _powers[idx];
base += 0.03125;
}
for (int idx = 0; idx < 32; ++idx) {
_powers[idx] = _powers[idx] * _field3C / total;
}
}
} // End of namespace Titanic
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