1 /* ScummVM - Graphic Adventure Engine
2 *
3 * ScummVM is the legal property of its developers, whose names
4 * are too numerous to list here. Please refer to the COPYRIGHT
5 * file distributed with this source distribution.
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20 *
21 */
22
23 #include "titanic/star_control/star_field.h"
24 #include "titanic/star_control/surface_area.h"
25 #include "titanic/star_control/camera.h"
26 #include "titanic/titanic.h"
27
28 namespace Titanic {
29
CStarField()30 CStarField::CStarField() : _renderBoundaries(false), _renderConstMap(false), _mode(MODE_STARFIELD),
31 _showBox(true), _closeToMarker(false), _isSolved(false) {
32 }
33
load(SimpleFile * file)34 void CStarField::load(SimpleFile *file) {
35 _markers.load(file);
36 _crosshairs.load(file);
37 _renderBoundaries = file->readNumber();
38 _renderConstMap = file->readNumber();
39 _mode = (StarMode)file->readNumber();
40 _showBox = file->readNumber();
41 _isSolved = file->readNumber();
42 }
43
save(SimpleFile * file,int indent)44 void CStarField::save(SimpleFile *file, int indent) {
45 _markers.save(file, indent);
46 _crosshairs.save(file, indent);
47 file->writeNumberLine(_renderBoundaries, indent);
48 file->writeNumberLine(_renderConstMap, indent);
49 file->writeNumberLine(_mode, indent);
50 file->writeNumberLine(_showBox, indent);
51 file->writeNumberLine(_isSolved, indent);
52 }
53
initDocument()54 bool CStarField::initDocument() {
55 bool valid = setup() && _constBounds.initialize();
56 if (valid)
57 valid = _starCloseup.setup();
58 if (valid)
59 valid = _constMap.initialize();
60
61 return valid;
62 }
63
render(CVideoSurface * surface,CCamera * camera)64 void CStarField::render(CVideoSurface *surface, CCamera *camera) {
65 CSurfaceArea surfaceArea(surface);
66 draw(&surfaceArea, camera, &_starCloseup);
67 if (_showBox)
68 drawBox(&surfaceArea);
69
70 _markers.draw(&surfaceArea, camera, nullptr);
71 _crosshairs.draw(&surfaceArea);
72
73 if (_renderConstMap)
74 _constMap.draw(&surfaceArea, camera);
75 if (_renderBoundaries)
76 _constBounds.draw(&surfaceArea, camera);
77
78 renderLockLine(&surfaceArea, camera);
79 }
80
getBoundaryState() const81 bool CStarField::getBoundaryState() const {
82 return _renderBoundaries;
83 }
84
setBoundaryState(bool state)85 void CStarField::setBoundaryState(bool state) {
86 _renderBoundaries = state;
87 }
88
getConstMapState() const89 bool CStarField::getConstMapState() const {
90 return _renderConstMap;
91 }
92
setConstMapState(bool state)93 void CStarField::setConstMapState(bool state) {
94 _renderConstMap = state;
95 }
96
get54() const97 int CStarField::get54() const {
98 return _starCloseup.get4();
99 }
100
set54(int val)101 void CStarField::set54(int val) {
102 _starCloseup.set4(val);
103 }
104
getMode() const105 StarMode CStarField::getMode() const {
106 return _mode;
107 }
108
setMode(StarMode mode)109 void CStarField::setMode(StarMode mode) {
110 _mode = mode;
111 }
112
toggleBox()113 void CStarField::toggleBox() {
114 _showBox = !_showBox;
115 }
116
setBoxVisible(bool isVisible)117 bool CStarField::setBoxVisible(bool isVisible) {
118 bool oldVal = _showBox;
119 _showBox = isVisible;
120 return oldVal;
121 }
122
getMatchedIndex() const123 int CStarField::getMatchedIndex() const {
124 return _crosshairs._matchIndex;
125 }
126
isCloseToMarker() const127 bool CStarField::isCloseToMarker() const {
128 return _closeToMarker;
129 }
130
setSolved()131 void CStarField::setSolved() {
132 _isSolved = _crosshairs._matchIndex >= 2;
133 }
134
isSolved() const135 bool CStarField::isSolved() const {
136 return _isSolved;
137 }
138
isSkipped() const139 bool CStarField::isSkipped() const {
140 return _crosshairs.isSkipped();
141 }
142
skipPuzzle()143 void CStarField::skipPuzzle() {
144 _crosshairs._matchIndex = 3;
145 setSolved();
146 }
147
fn1(CErrorCode * errorCode)148 void CStarField::fn1(CErrorCode *errorCode) {
149 _starCloseup.proc3(errorCode);
150 }
151
drawBox(CSurfaceArea * surfaceArea)152 void CStarField::drawBox(CSurfaceArea *surfaceArea) {
153 uint oldPixel = surfaceArea->_pixel;
154 surfaceArea->_pixel = 0x323232;
155 surfaceArea->setColorFromPixel();
156
157 surfaceArea->drawLine(FRect(202.60417, 63.75, 397.39584, 63.75));
158 surfaceArea->drawLine(FRect(202.60417, 276.25, 397.39584, 276.25));
159 surfaceArea->drawLine(FRect(193.75, 72.604164, 193.75, 267.39584));
160 surfaceArea->drawLine(FRect(406.25, 72.604164, 406.25, 267.39584));
161 surfaceArea->drawLine(FRect(202.60417, 63.75, 202.60417, 68.177086));
162 surfaceArea->drawLine(FRect(397.39584, 63.75, 397.39584, 68.177086));
163 surfaceArea->drawLine(FRect(202.60417, 276.25, 202.60417, 271.82291));
164 surfaceArea->drawLine(FRect(397.39584, 276.25, 397.39584, 271.82291));
165 surfaceArea->drawLine(FRect(193.75, 72.604164, 198.17708, 72.604164));
166 surfaceArea->drawLine(FRect(193.75, 267.39584, 198.17708, 267.39584));
167 surfaceArea->drawLine(FRect(406.25, 72.604164, 401.82291, 72.604164));
168 surfaceArea->drawLine(FRect(406.25, 267.39584, 401.82291, 267.39584));
169 surfaceArea->drawLine(FRect(300.0, 63.75, 300.0, 54.895832));
170 surfaceArea->drawLine(FRect(300.0, 276.25, 300.0, 285.10416));
171 surfaceArea->drawLine(FRect(193.75, 170.0, 184.89583, 170.0));
172 surfaceArea->drawLine(FRect(406.25, 170.0, 415.10416, 170.0));
173
174 surfaceArea->_pixel = oldPixel;
175 surfaceArea->setColorFromPixel();
176 }
177
renderLockLine(CSurfaceArea * surfaceArea,CCamera * camera)178 void CStarField::renderLockLine(CSurfaceArea *surfaceArea, CCamera *camera) {
179 FVector screenCoord, worldCoord, photoPos;
180 _closeToMarker = false;
181
182 if (_mode == MODE_STARFIELD) {
183 if (lockDistance(surfaceArea, camera, screenCoord, worldCoord, photoPos) > -1.0) {
184 surfaceArea->_pixel = 0xA0A0;
185 surfaceArea->setColorFromPixel();
186 surfaceArea->drawLine(FRect(screenCoord._x, screenCoord._y, photoPos._x, photoPos._y));
187 }
188 }
189 }
190
lockDistance(CSurfaceArea * surfaceArea,CCamera * camera,FVector & screenCoord,FVector & worldCoord,FVector & photoPos)191 double CStarField::lockDistance(CSurfaceArea *surfaceArea, CCamera *camera,
192 FVector &screenCoord, FVector &worldCoord, FVector &photoPos) {
193 if (_crosshairs.isEmpty())
194 // No crosshairs selection yet
195 return -1.0;
196 if (_crosshairs._entryIndex == _crosshairs._matchIndex)
197 // Trying to re-lock on a previously locked star
198 return -1.0;
199
200 const CBaseStarEntry *dataP = _markers.getDataPtr(_crosshairs._entryIndex);
201 worldCoord = dataP->_position;
202 FVector tv = camera->getRelativePosNoCentering(2, worldCoord);
203
204 if (camera->getFrontClip() >= tv._z)
205 return -1.0;
206
207 tv = camera->getRelativePos(2, tv);
208
209 screenCoord = FVector(tv._x + surfaceArea->_centroid._x,
210 tv._y + surfaceArea->_centroid._y, tv._z);
211 FPoint pt = _crosshairs.getPosition();
212 photoPos = FVector(pt._x, pt._y, 1.0);
213
214 double incr = (screenCoord._x - pt._x) * (screenCoord._x - pt._x);
215 if (incr > 3600.0)
216 return -1.0;
217
218 incr += (screenCoord._y - pt._y) * (screenCoord._y - pt._y);
219 if (incr > 3600.0)
220 return -1.0;
221
222 _closeToMarker = true;
223 return incr;
224 }
225
fn6(CVideoSurface * surface,CCamera * camera)226 void CStarField::fn6(CVideoSurface *surface, CCamera *camera) {
227 CSurfaceArea surfaceArea(surface);
228 _crosshairs.fn1(this, &surfaceArea, camera);
229 }
230
incLockLevel()231 void CStarField::incLockLevel() {
232 _crosshairs.incMatches();
233 setSolved();
234 }
235
decLockLevel(CVideoSurface * surface)236 void CStarField::decLockLevel(CVideoSurface *surface) {
237 _crosshairs.decMatches(surface, this, &_markers);
238 setSolved();
239 }
240
mouseButtonDown(CVideoSurface * surface,CCamera * camera,int flags,const Common::Point & pt)241 bool CStarField::mouseButtonDown(CVideoSurface *surface, CCamera *camera,
242 int flags, const Common::Point &pt) {
243 if (_mode == MODE_STARFIELD) {
244 CSurfaceArea surfaceArea(surface);
245 return selectStar(&surfaceArea, camera, pt);
246 } else {
247 int starNum = _crosshairs.indexOf(pt);
248 if (starNum >= 0) {
249 _crosshairs.selectStar(starNum, surface, this, &_markers);
250 return true;
251 }
252
253 return false;
254 }
255 }
256
getRandomStar() const257 const CBaseStarEntry *CStarField::getRandomStar() const {
258 if (_data.empty())
259 return nullptr;
260
261 return getDataPtr(g_vm->getRandomNumber(_data.size() - 1));
262 }
263
getStar(int index) const264 const CBaseStarEntry *CStarField::getStar(int index) const {
265 return (index < 0 || index >= (int)_data.size()) ? nullptr : getDataPtr(index);
266 }
267
268 } // End of namespace Titanic
269