Initial commit

engines/titanic/star_control/star_field.cpp

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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 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_field.h"
+#include "titanic/star_control/surface_area.h"
+#include "titanic/star_control/camera.h"
+#include "titanic/titanic.h"
+
+namespace Titanic {
+
+CStarField::CStarField() : _renderBoundaries(false), _renderConstMap(false), _mode(MODE_STARFIELD),
+		_showBox(true), _closeToMarker(false), _isSolved(false) {
+}
+
+void CStarField::load(SimpleFile *file) {
+	_markers.load(file);
+	_crosshairs.load(file);
+	_renderBoundaries = file->readNumber();
+	_renderConstMap = file->readNumber();
+	_mode = (StarMode)file->readNumber();
+	_showBox = file->readNumber();
+	_isSolved = file->readNumber();
+}
+
+void CStarField::save(SimpleFile *file, int indent) {
+	_markers.save(file, indent);
+	_crosshairs.save(file, indent);
+	file->writeNumberLine(_renderBoundaries, indent);
+	file->writeNumberLine(_renderConstMap, indent);
+	file->writeNumberLine(_mode, indent);
+	file->writeNumberLine(_showBox, indent);
+	file->writeNumberLine(_isSolved, indent);
+}
+
+bool CStarField::initDocument() {
+	bool valid = setup() && _constBounds.initialize();
+	if (valid)
+		valid = _starCloseup.setup();
+	if (valid)
+		valid = _constMap.initialize();
+
+	return valid;
+}
+
+void CStarField::render(CVideoSurface *surface, CCamera *camera) {
+	CSurfaceArea surfaceArea(surface);
+	draw(&surfaceArea, camera, &_starCloseup);
+	if (_showBox)
+		drawBox(&surfaceArea);
+
+	_markers.draw(&surfaceArea, camera, nullptr);
+	_crosshairs.draw(&surfaceArea);
+
+	if (_renderConstMap)
+		_constMap.draw(&surfaceArea, camera);
+	if (_renderBoundaries)
+		_constBounds.draw(&surfaceArea, camera);
+
+	renderLockLine(&surfaceArea, camera);
+}
+
+bool CStarField::getBoundaryState() const {
+	return _renderBoundaries;
+}
+
+void CStarField::setBoundaryState(bool state) {
+	_renderBoundaries = state;
+}
+
+bool CStarField::getConstMapState() const {
+	return _renderConstMap;
+}
+
+void CStarField::setConstMapState(bool state) {
+	_renderConstMap = state;
+}
+
+int CStarField::get54() const {
+	return _starCloseup.get4();
+}
+
+void CStarField::set54(int val) {
+	_starCloseup.set4(val);
+}
+
+StarMode CStarField::getMode() const {
+	return _mode;
+}
+
+void CStarField::setMode(StarMode mode) {
+	_mode = mode;
+}
+
+void CStarField::toggleBox() {
+	_showBox = !_showBox;
+}
+
+bool CStarField::setBoxVisible(bool isVisible) {
+	bool oldVal = _showBox;
+	_showBox = isVisible;
+	return oldVal;
+}
+
+int CStarField::getMatchedIndex() const {
+	return _crosshairs._matchIndex;
+}
+
+bool CStarField::isCloseToMarker() const {
+	return _closeToMarker;
+}
+
+void CStarField::setSolved() {
+	_isSolved = _crosshairs._matchIndex >= 2;
+}
+
+bool CStarField::isSolved() const {
+	return _isSolved;
+}
+
+bool CStarField::isSkipped() const {
+	return _crosshairs.isSkipped();
+}
+
+void CStarField::skipPuzzle() {
+	_crosshairs._matchIndex = 3;
+	setSolved();
+}
+
+void CStarField::fn1(CErrorCode *errorCode) {
+	_starCloseup.proc3(errorCode);
+}
+
+void CStarField::drawBox(CSurfaceArea *surfaceArea) {
+	uint oldPixel = surfaceArea->_pixel;
+	surfaceArea->_pixel = 0x323232;
+	surfaceArea->setColorFromPixel();
+
+	surfaceArea->drawLine(FRect(202.60417, 63.75, 397.39584, 63.75));
+	surfaceArea->drawLine(FRect(202.60417, 276.25, 397.39584, 276.25));
+	surfaceArea->drawLine(FRect(193.75, 72.604164, 193.75, 267.39584));
+	surfaceArea->drawLine(FRect(406.25, 72.604164, 406.25, 267.39584));
+	surfaceArea->drawLine(FRect(202.60417, 63.75, 202.60417, 68.177086));
+	surfaceArea->drawLine(FRect(397.39584, 63.75, 397.39584, 68.177086));
+	surfaceArea->drawLine(FRect(202.60417, 276.25, 202.60417, 271.82291));
+	surfaceArea->drawLine(FRect(397.39584, 276.25, 397.39584, 271.82291));
+	surfaceArea->drawLine(FRect(193.75, 72.604164, 198.17708, 72.604164));
+	surfaceArea->drawLine(FRect(193.75, 267.39584, 198.17708, 267.39584));
+	surfaceArea->drawLine(FRect(406.25, 72.604164, 401.82291, 72.604164));
+	surfaceArea->drawLine(FRect(406.25, 267.39584, 401.82291, 267.39584));
+	surfaceArea->drawLine(FRect(300.0, 63.75, 300.0, 54.895832));
+	surfaceArea->drawLine(FRect(300.0, 276.25, 300.0, 285.10416));
+	surfaceArea->drawLine(FRect(193.75, 170.0, 184.89583, 170.0));
+	surfaceArea->drawLine(FRect(406.25, 170.0, 415.10416, 170.0));
+
+	surfaceArea->_pixel = oldPixel;
+	surfaceArea->setColorFromPixel();
+}
+
+void CStarField::renderLockLine(CSurfaceArea *surfaceArea, CCamera *camera) {
+	FVector screenCoord, worldCoord, photoPos;
+	_closeToMarker = false;
+
+	if (_mode == MODE_STARFIELD) {
+		if (lockDistance(surfaceArea, camera, screenCoord, worldCoord, photoPos) > -1.0) {
+			surfaceArea->_pixel = 0xA0A0;
+			surfaceArea->setColorFromPixel();
+			surfaceArea->drawLine(FRect(screenCoord._x, screenCoord._y, photoPos._x, photoPos._y));
+		}
+	}
+}
+
+double CStarField::lockDistance(CSurfaceArea *surfaceArea, CCamera *camera,
+		FVector &screenCoord, FVector &worldCoord, FVector &photoPos) {
+	if (_crosshairs.isEmpty())
+		// No crosshairs selection yet
+		return -1.0;
+	if (_crosshairs._entryIndex == _crosshairs._matchIndex)
+		// Trying to re-lock on a previously locked star
+		return -1.0;
+
+	const CBaseStarEntry *dataP = _markers.getDataPtr(_crosshairs._entryIndex);
+	worldCoord = dataP->_position;
+	FVector tv = camera->getRelativePosNoCentering(2, worldCoord);
+
+	if (camera->getFrontClip() >= tv._z)
+		return -1.0;
+
+	tv = camera->getRelativePos(2, tv);
+
+	screenCoord = FVector(tv._x + surfaceArea->_centroid._x,
+		tv._y + surfaceArea->_centroid._y, tv._z);
+	FPoint pt = _crosshairs.getPosition();
+	photoPos = FVector(pt._x, pt._y, 1.0);
+
+	double incr = (screenCoord._x - pt._x) * (screenCoord._x - pt._x);
+	if (incr > 3600.0)
+		return -1.0;
+
+	incr += (screenCoord._y - pt._y) * (screenCoord._y - pt._y);
+	if (incr > 3600.0)
+		return -1.0;
+
+	_closeToMarker = true;
+	return incr;
+}
+
+void CStarField::fn6(CVideoSurface *surface, CCamera *camera) {
+	CSurfaceArea surfaceArea(surface);
+	_crosshairs.fn1(this, &surfaceArea, camera);
+}
+
+void CStarField::incLockLevel() {
+	_crosshairs.incMatches();
+	setSolved();
+}
+
+void CStarField::decLockLevel(CVideoSurface *surface) {
+	_crosshairs.decMatches(surface, this, &_markers);
+	setSolved();
+}
+
+bool CStarField::mouseButtonDown(CVideoSurface *surface, CCamera *camera,
+		int flags, const Common::Point &pt) {
+	if (_mode == MODE_STARFIELD) {
+		CSurfaceArea surfaceArea(surface);
+		return selectStar(&surfaceArea, camera, pt);
+	} else {
+		int starNum = _crosshairs.indexOf(pt);
+		if (starNum >= 0) {
+			_crosshairs.selectStar(starNum, surface, this, &_markers);
+			return true;
+		}
+
+		return false;
+	}
+}
+
+const CBaseStarEntry *CStarField::getRandomStar() const {
+	if (_data.empty())
+		return nullptr;
+
+	return getDataPtr(g_vm->getRandomNumber(_data.size() - 1));
+}
+
+const CBaseStarEntry *CStarField::getStar(int index) const {
+	return (index < 0 || index >= (int)_data.size()) ? nullptr : getDataPtr(index);
+}
+
+} // End of namespace Titanic