diff options
Diffstat (limited to 'engines/titanic/star_control/star_markers.cpp')
| -rw-r--r-- | engines/titanic/star_control/star_markers.cpp | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/engines/titanic/star_control/star_markers.cpp b/engines/titanic/star_control/star_markers.cpp new file mode 100644 index 0000000000..a65b61151d --- /dev/null +++ b/engines/titanic/star_control/star_markers.cpp @@ -0,0 +1,95 @@ +/* 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_markers.h" +#include "titanic/star_control/star_camera.h" + +namespace Titanic { + +void CStarMarkers::draw(CSurfaceArea *surfaceArea, CStarCamera *camera, CStarCloseup *closeup) { + if (_data.empty()) + return; + + FPose pose = camera->getPose(); + double threshold = camera->getThreshold(); + 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 = camera->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 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 |