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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_sub7.h"
#include "titanic/star_control/star_control_sub12.h"
namespace Titanic {
void CStarControlSub7::draw(CSurfaceArea *surfaceArea, CStarControlSub12 *sub12, CStarControlSub5 *sub5) {
if (_data.empty())
return;
FPose pose = sub12->proc23();
double threshold = sub12->proc25();
FPoint center((double)surfaceArea->_width * 0.5,
surfaceArea->_height * 0.5);
FVector newV;
uint savedPixel = surfaceArea->_pixel;
surfaceArea->_pixel = 0xffff;
surfaceArea->setColorFromPixel();
for (uint idx = 0; idx < _data.size(); ++idx) {
const CBaseStarEntry &star = _data[idx];
newV._x = pose._row1._x * star._position._x + pose._row3._x * star._position._z
+ pose._row2._x * star._position._y + pose._vector._x;
newV._y = pose._row1._y * star._position._x + pose._row3._y * star._position._z
+ pose._row2._y * star._position._x + pose._vector._y;
newV._z = pose._row1._z * star._position._x + pose._row3._z * star._position._z
+ pose._row2._z * star._position._y + pose._vector._z;
if (newV._z > threshold) {
FVector vTemp = sub12->proc28(2, newV);
FRect r1(center._x + vTemp._x, center._y + vTemp._y,
center._x + vTemp._x + 4.0, center._y + vTemp._y + 4.0);
surfaceArea->fillRect(r1);
FRect r2(r1.right, r1.bottom, r1.right + 4.0, r1.top);
surfaceArea->fillRect(r2);
FRect r3(r2.right, r1.top, r1.right, r1.top - 4.0);
surfaceArea->fillRect(r3);
FRect r4(r1.right, r1.top - 4.0, r1.left, r1.top);
surfaceArea->fillRect(r4);
}
}
surfaceArea->_pixel = savedPixel;
surfaceArea->setColorFromPixel();
}
bool CStarControlSub7::addStar(const CBaseStarEntry *entry) {
// iterate through the existing stars
for (uint idx = 0; idx < _data.size(); ++idx) {
CBaseStarEntry &star = _data[idx];
if (star == *entry) {
// Found a matching star at the exact same position, so remove it instead
_data.remove_at(idx);
return true;
}
}
// No existing match
if (_data.size() == 32)
// Out of space, so delete oldest star
_data.remove_at(0);
// Add new star
_data.push_back(*entry);
return true;
}
} // End of namespace Titanic
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