94 lines
3.0 KiB
C++
94 lines
3.0 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/star_markers.h"
|
|
#include "titanic/star_control/camera.h"
|
|
#include "titanic/star_control/surface_area.h"
|
|
|
|
namespace Titanic {
|
|
|
|
void CStarMarkers::draw(CSurfaceArea *surfaceArea, CCamera *camera, CStarCloseup *closeup) {
|
|
if (_data.empty())
|
|
return;
|
|
|
|
FPose pose = camera->getPose();
|
|
double threshold = camera->getFrontClip();
|
|
FPoint center((double)surfaceArea->_width * 0.5,
|
|
surfaceArea->_height * 0.5);
|
|
FVector newV;
|
|
double xl, xc, xr, yt, yc, yb;
|
|
|
|
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._y + 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 = camera->getRelativePos(2, newV);
|
|
|
|
xc = center._x + vTemp._x;
|
|
yc = center._y + vTemp._y;
|
|
xl = xc - 4.0;
|
|
yt = yc - 4.0;
|
|
xr = xc + 4.0;
|
|
yb = yc + 4.0;
|
|
surfaceArea->drawLine(FPoint(xl, yc), FPoint(xc, yb)); // bottom-left
|
|
surfaceArea->drawLine(FPoint(xc, yb), FPoint(xr, yc)); // bottom-right
|
|
surfaceArea->drawLine(FPoint(xr, yc), FPoint(xc, yt)); // top-right
|
|
surfaceArea->drawLine(FPoint(xc, yt), FPoint(xl, yc)); // top-left
|
|
}
|
|
}
|
|
|
|
surfaceArea->_pixel = savedPixel;
|
|
surfaceArea->setColorFromPixel();
|
|
}
|
|
|
|
bool CStarMarkers::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
|