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-rw-r--r--engines/sherlock/scalpel/scalpel_map.cpp596
1 files changed, 596 insertions, 0 deletions
diff --git a/engines/sherlock/scalpel/scalpel_map.cpp b/engines/sherlock/scalpel/scalpel_map.cpp
new file mode 100644
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+++ b/engines/sherlock/scalpel/scalpel_map.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 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 "common/system.h"
+#include "sherlock/scalpel/scalpel_map.h"
+#include "sherlock/events.h"
+#include "sherlock/people.h"
+#include "sherlock/screen.h"
+#include "sherlock/sherlock.h"
+
+namespace Sherlock {
+
+namespace Scalpel {
+
+MapPaths::MapPaths() {
+ _numLocations = 0;
+}
+
+void MapPaths::load(int numLocations, Common::SeekableReadStream &s) {
+ _numLocations = numLocations;
+ _paths.resize(_numLocations * _numLocations);
+
+ for (int idx = 0; idx < (numLocations * numLocations); ++idx) {
+ Common::Array<byte> &path = _paths[idx];
+ int v;
+
+ do {
+ v = s.readByte();
+ path.push_back(v);
+ } while (v && v < 254);
+ }
+}
+
+const byte *MapPaths::getPath(int srcLocation, int destLocation) {
+ return &_paths[srcLocation * _numLocations + destLocation][0];
+}
+
+/*----------------------------------------------------------------*/
+
+ScalpelMap::ScalpelMap(SherlockEngine *vm): Map(vm), _topLine(g_system->getWidth(), 12) {
+ _mapCursors = nullptr;
+ _shapes = nullptr;
+ _iconShapes = nullptr;
+ _point = 0;
+ _placesShown = false;
+ _cursorIndex = -1;
+ _drawMap = false;
+ _overPos = Point32(130 * FIXED_INT_MULTIPLIER, 126 * FIXED_INT_MULTIPLIER);
+ _frameChangeFlag = false;
+
+ // Initialise the initial walk sequence set
+ _walkSequences.resize(MAX_HOLMES_SEQUENCE);
+ for (int idx = 0; idx < MAX_HOLMES_SEQUENCE; ++idx) {
+ _walkSequences[idx]._sequences.resize(MAX_FRAME);
+ Common::fill(&_walkSequences[idx]._sequences[0], &_walkSequences[idx]._sequences[0] + MAX_FRAME, 0);
+ }
+
+ if (!_vm->isDemo())
+ loadData();
+}
+
+void ScalpelMap::loadPoints(int count, const int *xList, const int *yList, const int *transList) {
+ for (int idx = 0; idx < count; ++idx, ++xList, ++yList, ++transList) {
+ _points.push_back(MapEntry(*xList, *yList, *transList));
+ }
+}
+
+void ScalpelMap::loadSequences(int count, const byte *seq) {
+ for (int idx = 0; idx < count; ++idx, seq += MAX_FRAME)
+ Common::copy(seq, seq + MAX_FRAME, &_walkSequences[idx]._sequences[0]);
+}
+
+void ScalpelMap::loadData() {
+ // Load the list of location names
+ Common::SeekableReadStream *txtStream = _vm->_res->load("chess.txt");
+
+ int streamSize = txtStream->size();
+ while (txtStream->pos() < streamSize) {
+ Common::String line;
+ char c;
+ while ((c = txtStream->readByte()) != '\0')
+ line += c;
+
+ _locationNames.push_back(line);
+ }
+
+ delete txtStream;
+
+ // Load the path data
+ Common::SeekableReadStream *pathStream = _vm->_res->load("chess.pth");
+
+ // Get routes between different locations on the map
+ _paths.load(31, *pathStream);
+
+ // Load in the co-ordinates that the paths refer to
+ _pathPoints.resize(208);
+ for (uint idx = 0; idx < _pathPoints.size(); ++idx) {
+ _pathPoints[idx].x = pathStream->readSint16LE();
+ _pathPoints[idx].y = pathStream->readSint16LE();
+ }
+
+ delete pathStream;
+}
+
+int ScalpelMap::show() {
+ Debugger &debugger = *_vm->_debugger;
+ Events &events = *_vm->_events;
+ People &people = *_vm->_people;
+ Screen &screen = *_vm->_screen;
+ bool changed = false, exitFlag = false;
+ _active = true;
+
+ // Set font and custom cursor for the map
+ int oldFont = screen.fontNumber();
+ screen.setFont(0);
+
+ // Initial screen clear
+ screen._backBuffer1.clear();
+ screen.clear();
+
+ // Load the entire map
+ ImageFile *bigMap = NULL;
+ if (!IS_3DO) {
+ // PC
+ bigMap = new ImageFile("bigmap.vgs");
+ screen.setPalette(bigMap->_palette);
+ } else {
+ // 3DO
+ bigMap = new ImageFile3DO("overland.cel", kImageFile3DOType_Cel);
+ }
+
+ // Load need sprites
+ setupSprites();
+
+ if (!IS_3DO) {
+ screen._backBuffer1.blitFrom((*bigMap)[0], Common::Point(-_bigPos.x, -_bigPos.y));
+ screen._backBuffer1.blitFrom((*bigMap)[1], Common::Point(-_bigPos.x, SHERLOCK_SCREEN_HEIGHT - _bigPos.y));
+ screen._backBuffer1.blitFrom((*bigMap)[2], Common::Point(SHERLOCK_SCREEN_WIDTH - _bigPos.x, -_bigPos.y));
+ screen._backBuffer1.blitFrom((*bigMap)[3], Common::Point(SHERLOCK_SCREEN_WIDTH - _bigPos.x, SHERLOCK_SCREEN_HEIGHT - _bigPos.y));
+ } else {
+ screen._backBuffer1.blitFrom((*bigMap)[0], Common::Point(-_bigPos.x, -_bigPos.y));
+ screen.blitFrom((*bigMap)[0], Common::Point(-_bigPos.x, -_bigPos.y));
+ }
+
+ _drawMap = true;
+ _charPoint = -1;
+ _point = -1;
+ people[HOLMES]._position = _lDrawnPos = _overPos;
+
+ // Show place icons
+ showPlaces();
+ saveTopLine();
+ _placesShown = true;
+
+ // Keep looping until either a location is picked, or the game is ended
+ while (!_vm->shouldQuit() && !exitFlag) {
+ events.pollEventsAndWait();
+ events.setButtonState();
+
+ if (debugger._showAllLocations == LOC_REFRESH) {
+ showPlaces();
+ screen.slamArea(screen._currentScroll.x, screen._currentScroll.y, SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_WIDTH);
+ }
+
+ // Keyboard handling
+ if (events.kbHit()) {
+ Common::KeyState keyState = events.getKey();
+
+ if (keyState.keycode == Common::KEYCODE_RETURN || keyState.keycode == Common::KEYCODE_SPACE) {
+ // Both space and enter simulate a mouse release
+ events._pressed = false;
+ events._released = true;
+ events._oldButtons = 0;
+ }
+ }
+
+ // Ignore scrolling attempts until the screen is drawn
+ if (!_drawMap) {
+ Common::Point pt = events.mousePos();
+
+ // Check for vertical map scrolling
+ if ((pt.y > (SHERLOCK_SCREEN_HEIGHT - 10) && _bigPos.y < 200) || (pt.y < 10 && _bigPos.y > 0)) {
+ if (pt.y > (SHERLOCK_SCREEN_HEIGHT - 10))
+ _bigPos.y += 10;
+ else
+ _bigPos.y -= 10;
+
+ changed = true;
+ }
+
+ // Check for horizontal map scrolling
+ if ((pt.x > (SHERLOCK_SCREEN_WIDTH - 10) && _bigPos.x < 315) || (pt.x < 10 && _bigPos.x > 0)) {
+ if (pt.x > (SHERLOCK_SCREEN_WIDTH - 10))
+ _bigPos.x += 15;
+ else
+ _bigPos.x -= 15;
+
+ changed = true;
+ }
+ }
+
+ if (changed) {
+ // Map has scrolled, so redraw new map view
+ changed = false;
+
+ if (!IS_3DO) {
+ screen._backBuffer1.blitFrom((*bigMap)[0], Common::Point(-_bigPos.x, -_bigPos.y));
+ screen._backBuffer1.blitFrom((*bigMap)[1], Common::Point(-_bigPos.x, SHERLOCK_SCREEN_HEIGHT - _bigPos.y));
+ screen._backBuffer1.blitFrom((*bigMap)[2], Common::Point(SHERLOCK_SCREEN_WIDTH - _bigPos.x, -_bigPos.y));
+ screen._backBuffer1.blitFrom((*bigMap)[3], Common::Point(SHERLOCK_SCREEN_WIDTH - _bigPos.x, SHERLOCK_SCREEN_HEIGHT - _bigPos.y));
+ } else {
+ screen._backBuffer1.blitFrom((*bigMap)[0], Common::Point(-_bigPos.x, -_bigPos.y));
+ }
+
+ showPlaces();
+ _placesShown = false;
+
+ saveTopLine();
+ _savedPos.x = -1;
+ updateMap(true);
+ } else if (!_drawMap) {
+ if (!_placesShown) {
+ showPlaces();
+ _placesShown = true;
+ }
+
+ if (_cursorIndex == 0) {
+ Common::Point pt = events.mousePos();
+ highlightIcon(Common::Point(pt.x - 4 + _bigPos.x, pt.y + _bigPos.y));
+ }
+ updateMap(false);
+ }
+
+ if ((events._released || events._rightReleased) && _point != -1) {
+ if (people[HOLMES]._walkCount == 0) {
+ people[HOLMES]._walkDest = _points[_point] + Common::Point(4, 9);
+ _charPoint = _point;
+
+ // Start walking to selected location
+ walkTheStreets();
+
+ // Show wait cursor
+ _cursorIndex = 1;
+ events.setCursor((*_mapCursors)[_cursorIndex]._frame);
+ }
+ }
+
+ // Check if a scene has beeen selected and we've finished "moving" to it
+ if (people[HOLMES]._walkCount == 0) {
+ if (_charPoint >= 1 && _charPoint < (int)_points.size())
+ exitFlag = true;
+ }
+
+ if (_drawMap) {
+ _drawMap = false;
+
+ if (screen._fadeStyle)
+ screen.randomTransition();
+ else
+ screen.slamArea(0, 0, SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_HEIGHT);
+ }
+
+ // Wait for a frame
+ events.wait(1);
+ }
+
+ freeSprites();
+ _overPos = people[HOLMES]._position;
+
+ // Reset font
+ screen.setFont(oldFont);
+
+ // Free map graphic
+ delete bigMap;
+
+ _active = false;
+ return _charPoint;
+}
+
+void ScalpelMap::setupSprites() {
+ Events &events = *_vm->_events;
+ People &people = *_vm->_people;
+ Scene &scene = *_vm->_scene;
+ _savedPos.x = -1;
+
+ if (!IS_3DO) {
+ // PC
+ _mapCursors = new ImageFile("omouse.vgs");
+ _shapes = new ImageFile("mapicon.vgs");
+ _iconShapes = new ImageFile("overicon.vgs");
+ } else {
+ // 3DO
+ _mapCursors = new ImageFile3DO("omouse.vgs", kImageFile3DOType_RoomFormat);
+ _shapes = new ImageFile3DO("mapicon.vgs", kImageFile3DOType_RoomFormat);
+ _iconShapes = new ImageFile3DO("overicon.vgs", kImageFile3DOType_RoomFormat);
+ }
+
+ _cursorIndex = 0;
+ events.setCursor((*_mapCursors)[_cursorIndex]._frame);
+
+ _iconSave.create((*_shapes)[4]._width, (*_shapes)[4]._height);
+ Person &p = people[HOLMES];
+ p._description = " ";
+ p._type = CHARACTER;
+ p._position = Common::Point(12400, 5000);
+ p._sequenceNumber = 0;
+ p._images = _shapes;
+ p._imageFrame = nullptr;
+ p._frameNumber = 0;
+ p._delta = Common::Point(0, 0);
+ p._oldSize = Common::Point(0, 0);
+ p._oldSize = Common::Point(0, 0);
+ p._misc = 0;
+ p._walkCount = 0;
+ p._allow = 0;
+ p._noShapeSize = Common::Point(0, 0);
+ p._goto = Common::Point(28000, 15000);
+ p._status = 0;
+ p._walkSequences = _walkSequences;
+ p.setImageFrame();
+ scene._bgShapes.clear();
+}
+
+void ScalpelMap::freeSprites() {
+ delete _mapCursors;
+ delete _shapes;
+ delete _iconShapes;
+ _iconSave.free();
+}
+
+void ScalpelMap::showPlaces() {
+ Debugger &debugger = *_vm->_debugger;
+ Screen &screen = *_vm->_screen;
+
+ for (uint idx = 0; idx < _points.size(); ++idx) {
+ const MapEntry &pt = _points[idx];
+
+ if (pt.x != 0 && pt.y != 0) {
+ if (debugger._showAllLocations != LOC_DISABLED)
+ _vm->setFlagsDirect(idx);
+
+ if (pt.x >= _bigPos.x && (pt.x - _bigPos.x) < SHERLOCK_SCREEN_WIDTH
+ && pt.y >= _bigPos.y && (pt.y - _bigPos.y) < SHERLOCK_SCREEN_HEIGHT) {
+ if (_vm->readFlags(idx)) {
+ screen._backBuffer1.transBlitFrom((*_iconShapes)[pt._translate],
+ Common::Point(pt.x - _bigPos.x - 6, pt.y - _bigPos.y - 12));
+ }
+ }
+ }
+ }
+
+ if (debugger._showAllLocations == LOC_REFRESH)
+ debugger._showAllLocations = LOC_ALL;
+}
+
+void ScalpelMap::saveTopLine() {
+ _topLine.blitFrom(_vm->_screen->_backBuffer1, Common::Point(0, 0), Common::Rect(0, 0, SHERLOCK_SCREEN_WIDTH, 12));
+}
+
+void ScalpelMap::eraseTopLine() {
+ Screen &screen = *_vm->_screen;
+ screen._backBuffer1.blitFrom(_topLine, Common::Point(0, 0));
+ screen.slamArea(0, 0, SHERLOCK_SCREEN_WIDTH, _topLine.h());
+}
+
+void ScalpelMap::showPlaceName(int idx, bool highlighted) {
+ People &people = *_vm->_people;
+ Screen &screen = *_vm->_screen;
+
+ Common::String name = _locationNames[idx];
+ int width = screen.stringWidth(name);
+
+ if (!_cursorIndex) {
+ saveIcon(people[HOLMES]._imageFrame, _lDrawnPos);
+
+ bool flipped = people[HOLMES]._sequenceNumber == MAP_DOWNLEFT || people[HOLMES]._sequenceNumber == MAP_LEFT
+ || people[HOLMES]._sequenceNumber == MAP_UPLEFT;
+ screen._backBuffer1.transBlitFrom(*people[HOLMES]._imageFrame, _lDrawnPos, flipped);
+ }
+
+ if (highlighted) {
+ int xp = (SHERLOCK_SCREEN_WIDTH - screen.stringWidth(name)) / 2;
+ screen.gPrint(Common::Point(xp + 2, 2), BLACK, "%s", name.c_str());
+ screen.gPrint(Common::Point(xp + 1, 1), BLACK, "%s", name.c_str());
+ screen.gPrint(Common::Point(xp, 0), 12, "%s", name.c_str());
+
+ screen.slamArea(xp, 0, width + 2, 15);
+ }
+}
+
+void ScalpelMap::updateMap(bool flushScreen) {
+ Events &events = *_vm->_events;
+ People &people = *_vm->_people;
+ Screen &screen = *_vm->_screen;
+ Common::Point osPos = _savedPos;
+ Common::Point osSize = _savedSize;
+ Common::Point hPos;
+
+ if (_cursorIndex >= 1) {
+ if (++_cursorIndex > (1 + 8))
+ _cursorIndex = 1;
+
+ events.setCursor((*_mapCursors)[(_cursorIndex + 1) / 2]._frame);
+ }
+
+ if (!_drawMap && !flushScreen)
+ restoreIcon();
+ else
+ _savedPos.x = -1;
+
+ people[HOLMES].adjustSprite();
+
+ _lDrawnPos.x = hPos.x = people[HOLMES]._position.x / FIXED_INT_MULTIPLIER - _bigPos.x;
+ _lDrawnPos.y = hPos.y = people[HOLMES]._position.y / FIXED_INT_MULTIPLIER - people[HOLMES].frameHeight() - _bigPos.y;
+
+ // Draw the person icon
+ saveIcon(people[HOLMES]._imageFrame, hPos);
+ if (people[HOLMES]._sequenceNumber == MAP_DOWNLEFT || people[HOLMES]._sequenceNumber == MAP_LEFT
+ || people[HOLMES]._sequenceNumber == MAP_UPLEFT)
+ screen._backBuffer1.transBlitFrom(*people[HOLMES]._imageFrame, hPos, true);
+ else
+ screen._backBuffer1.transBlitFrom(*people[HOLMES]._imageFrame, hPos, false);
+
+ if (flushScreen) {
+ screen.slamArea(0, 0, SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_HEIGHT);
+ } else if (!_drawMap) {
+ if (hPos.x > 0 && hPos.y >= 0 && hPos.x < SHERLOCK_SCREEN_WIDTH && hPos.y < SHERLOCK_SCREEN_HEIGHT)
+ screen.flushImage(people[HOLMES]._imageFrame, Common::Point(people[HOLMES]._position.x / FIXED_INT_MULTIPLIER - _bigPos.x,
+ people[HOLMES]._position.y / FIXED_INT_MULTIPLIER - people[HOLMES].frameHeight() - _bigPos.y),
+ &people[HOLMES]._oldPosition.x, &people[HOLMES]._oldPosition.y, &people[HOLMES]._oldSize.x, &people[HOLMES]._oldSize.y);
+
+ if (osPos.x != -1)
+ screen.slamArea(osPos.x, osPos.y, osSize.x, osSize.y);
+ }
+}
+
+void ScalpelMap::walkTheStreets() {
+ People &people = *_vm->_people;
+ Common::Array<Common::Point> tempPath;
+
+ // Get indexes into the path lists for the start and destination scenes
+ int start = _points[_oldCharPoint]._translate;
+ int dest = _points[_charPoint]._translate;
+
+ // Get pointer to start of path
+ const byte *path = _paths.getPath(start, dest);
+
+ // Add in destination position
+ people[HOLMES]._walkTo.clear();
+ Common::Point destPos = people[HOLMES]._walkDest;
+
+ // Check for any intermediate points between the two locations
+ if (path[0] || _charPoint > 50 || _oldCharPoint > 50) {
+ people[HOLMES]._sequenceNumber = -1;
+
+ if (_charPoint == 51 || _oldCharPoint == 51) {
+ people[HOLMES].setWalking();
+ } else {
+ bool reversePath = false;
+
+ // Check for moving the path backwards or forwards
+ if (path[0] == 255) {
+ reversePath = true;
+ SWAP(start, dest);
+ path = _paths.getPath(start, dest);
+ }
+
+ do {
+ int idx = *path++;
+ tempPath.push_back(_pathPoints[idx - 1] + Common::Point(4, 4));
+ } while (*path != 254);
+
+ // Load up the path to use
+ people[HOLMES]._walkTo.clear();
+
+ if (reversePath) {
+ for (int idx = (int)tempPath.size() - 1; idx >= 0; --idx)
+ people[HOLMES]._walkTo.push(tempPath[idx]);
+ } else {
+ for (int idx = 0; idx < (int)tempPath.size(); ++idx)
+ people[HOLMES]._walkTo.push(tempPath[idx]);
+ }
+
+ people[HOLMES]._walkDest = people[HOLMES]._walkTo.pop() + Common::Point(12, 6);
+ people[HOLMES].setWalking();
+ }
+ } else {
+ people[HOLMES]._walkCount = 0;
+ }
+
+ // Store the final destination icon position
+ people[HOLMES]._walkTo.push(destPos);
+}
+
+void ScalpelMap::saveIcon(ImageFrame *src, const Common::Point &pt) {
+ Screen &screen = *_vm->_screen;
+ Common::Point size(src->_width, src->_height);
+ Common::Point pos = pt;
+
+ if (pos.x < 0) {
+ size.x += pos.x;
+ pos.x = 0;
+ }
+
+ if (pos.y < 0) {
+ size.y += pos.y;
+ pos.y = 0;
+ }
+
+ if ((pos.x + size.x) > SHERLOCK_SCREEN_WIDTH)
+ size.x -= (pos.x + size.x) - SHERLOCK_SCREEN_WIDTH;
+
+ if ((pos.y + size.y) > SHERLOCK_SCREEN_HEIGHT)
+ size.y -= (pos.y + size.y) - SHERLOCK_SCREEN_HEIGHT;
+
+ if (size.x < 1 || size.y < 1 || pos.x >= SHERLOCK_SCREEN_WIDTH || pos.y >= SHERLOCK_SCREEN_HEIGHT || _drawMap) {
+ // Flag as the area not needing to be saved
+ _savedPos.x = -1;
+ return;
+ }
+
+ assert(size.x <= _iconSave.w() && size.y <= _iconSave.h());
+ _iconSave.blitFrom(screen._backBuffer1, Common::Point(0, 0),
+ Common::Rect(pos.x, pos.y, pos.x + size.x, pos.y + size.y));
+ _savedPos = pos;
+ _savedSize = size;
+}
+
+void ScalpelMap::restoreIcon() {
+ Screen &screen = *_vm->_screen;
+
+ if (_savedPos.x >= 0 && _savedPos.y >= 0 && _savedPos.x <= SHERLOCK_SCREEN_WIDTH
+ && _savedPos.y < SHERLOCK_SCREEN_HEIGHT)
+ screen._backBuffer1.blitFrom(_iconSave, _savedPos, Common::Rect(0, 0, _savedSize.x, _savedSize.y));
+}
+
+void ScalpelMap::highlightIcon(const Common::Point &pt) {
+ int oldPoint = _point;
+
+ // Iterate through the icon list
+ bool done = false;
+ for (int idx = 0; idx < (int)_points.size(); ++idx) {
+ const MapEntry &entry = _points[idx];
+
+ // Check whether the mouse is over a given icon
+ if (entry.x != 0 && entry.y != 0) {
+ if (Common::Rect(entry.x - 8, entry.y - 8, entry.x + 9, entry.y + 9).contains(pt)) {
+ done = true;
+
+ if (_point != idx && _vm->readFlags(idx)) {
+ // Changed to a new valid (visible) location
+ eraseTopLine();
+ showPlaceName(idx, true);
+ _point = idx;
+ }
+ }
+ }
+ }
+
+ if (!done) {
+ // No icon was highlighted
+ if (_point != -1) {
+ // No longer highlighting previously highlighted icon, so erase it
+ showPlaceName(_point, false);
+ eraseTopLine();
+ }
+
+ _point = -1;
+ } else if (oldPoint != -1 && oldPoint != _point) {
+ showPlaceName(oldPoint, false);
+ eraseTopLine();
+ }
+}
+
+} // End of namespace Scalpel
+
+} // End of namespace Sherlock