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-rw-r--r--engines/lab/engine.cpp1196
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diff --git a/engines/lab/engine.cpp b/engines/lab/engine.cpp
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+++ b/engines/lab/engine.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.
+ *
+ */
+
+/*
+ * This code is based on Labyrinth of Time code with assistance of
+ *
+ * Copyright (c) 1993 Terra Nova Development
+ * Copyright (c) 2004 The Wyrmkeep Entertainment Co.
+ *
+ */
+
+#include "common/config-manager.h"
+
+#include "lab/lab.h"
+#include "lab/anim.h"
+#include "lab/dispman.h"
+#include "lab/eventman.h"
+#include "lab/image.h"
+#include "lab/intro.h"
+#include "lab/labsets.h"
+#include "lab/music.h"
+#include "lab/processroom.h"
+#include "lab/resource.h"
+#include "lab/speciallocks.h"
+#include "lab/utils.h"
+
+namespace Lab {
+
+#define CRUMBSWIDTH 24
+#define CRUMBSHEIGHT 24
+
+enum SpecialLock {
+ kLockCombination = 100,
+ kLockTiles = 101,
+ kLockTileSolution = 102
+};
+
+enum Items {
+ kItemHelmet = 1,
+ kItemBelt = 3,
+ kItemPithHelmet = 7,
+ kItemJournal = 9,
+ kItemNotes = 12,
+ kItemWestPaper = 18,
+ kItemWhiskey = 25,
+ kItemLamp = 27,
+ kItemMap = 28,
+ kItemQuarter = 30
+};
+
+enum Monitors {
+ kMonitorMuseum = 71,
+ kMonitorGramophone = 72,
+ kMonitorUnicycle = 73,
+ kMonitorStatue = 74,
+ kMonitorTalisman = 75,
+ kMonitorLute = 76,
+ kMonitorClock = 77,
+ kMonitorWindow = 78,
+ //kMonitorBelt = 79,
+ kMonitorLibrary = 80,
+ kMonitorTerminal = 81
+ //kMonitorLevers = 82
+};
+
+enum AltButtons {
+ kButtonMainDisplay,
+ kButtonSaveLoad,
+ kButtonUseItem,
+ kButtonLookAtItem,
+ kButtonPrevItem,
+ kButtonNextItem,
+ kButtonBreadCrumbs,
+ kButtonFollowCrumbs
+};
+
+static char initColors[] = { '\x00', '\x00', '\x00', '\x30',
+ '\x30', '\x30', '\x10', '\x10',
+ '\x10', '\x14', '\x14', '\x14',
+ '\x20', '\x20', '\x20', '\x24',
+ '\x24', '\x24', '\x2c', '\x2c',
+ '\x2c', '\x08', '\x08', '\x08' };
+
+uint16 LabEngine::getQuarters() {
+ return _inventory[kItemQuarter]._quantity;
+}
+
+void LabEngine::setQuarters(uint16 quarters) {
+ _inventory[kItemQuarter]._quantity = quarters;
+}
+
+void LabEngine::drawRoomMessage(uint16 curInv, const CloseData *closePtr) {
+ if (_lastTooLong) {
+ _lastTooLong = false;
+ return;
+ }
+
+ if (_alternate) {
+ if ((curInv <= _numInv) && _conditions->in(curInv) && !_inventory[curInv]._bitmapName.empty()) {
+ if ((curInv == kItemLamp) && _conditions->in(kCondLampOn))
+ // LAB: Labyrinth specific
+ drawStaticMessage(kTextkLampOn);
+ else if (_inventory[curInv]._quantity > 1) {
+ Common::String roomMessage = _inventory[curInv]._name + " (" + Common::String::format("%d", _inventory[curInv]._quantity) + ")";
+ _graphics->drawMessage(roomMessage.c_str(), false);
+ } else
+ _graphics->drawMessage(_inventory[curInv]._name.c_str(), false);
+ }
+ } else
+ drawDirection(closePtr);
+
+ _lastTooLong = _graphics->_lastMessageLong;
+}
+
+void LabEngine::freeScreens() {
+ for (int i = 0; i < 20; i++) {
+ delete _moveImages[i];
+ _moveImages[i] = nullptr;
+ }
+
+ for (int imgIdx = 0; imgIdx < 10; imgIdx++) {
+ delete _invImages[imgIdx];
+ _invImages[imgIdx] = nullptr;
+ }
+
+ // We can't use freeButtonList() here, because some buttons are shared
+ // between the two lists.
+ for (ButtonList::iterator buttonIter = _moveButtonList.begin(); buttonIter != _moveButtonList.end(); ++buttonIter) {
+ delete *buttonIter;
+ }
+ _moveButtonList.clear();
+
+ for (ButtonList::iterator buttonIter = _invButtonList.begin(); buttonIter != _invButtonList.end(); ++buttonIter) {
+ delete *buttonIter;
+ }
+ _invButtonList.clear();
+}
+
+void LabEngine::perFlipButton(uint16 buttonId) {
+ for (ButtonList::iterator button = _moveButtonList.begin(); button != _moveButtonList.end(); ++button) {
+ Button *topButton = *button;
+ if (topButton->_buttonId == buttonId) {
+ SWAP<Image *>(topButton->_image, topButton->_altImage);
+
+ if (!_alternate)
+ topButton->_image->drawImage(topButton->_x, topButton->_y);
+
+ break;
+ }
+ }
+}
+
+void LabEngine::eatMessages() {
+ IntuiMessage *msg;
+
+ do {
+ msg = _event->getMsg();
+ } while (msg && !shouldQuit());
+}
+
+bool LabEngine::doCloseUp(const CloseData *closePtr) {
+ if (!closePtr)
+ return false;
+
+ int luteRight;
+ Common::Rect textRect;
+
+ if (getPlatform() != Common::kPlatformWindows) {
+ textRect = Common::Rect(0, 0, 319, 165);
+ luteRight = 124;
+ } else {
+ textRect = Common::Rect(2, 2, 317, 165);
+ luteRight = 128;
+ }
+
+ switch (closePtr->_closeUpType) {
+ case kMonitorMuseum:
+ case kMonitorLibrary:
+ case kMonitorWindow:
+ doMonitor(closePtr->_graphicName, closePtr->_message, false, textRect);
+ break;
+ case kMonitorGramophone:
+ textRect.right = 171;
+ doMonitor(closePtr->_graphicName, closePtr->_message, false, textRect);
+ break;
+ case kMonitorUnicycle:
+ textRect.left = 100;
+ doMonitor(closePtr->_graphicName, closePtr->_message, false, textRect);
+ break;
+ case kMonitorStatue:
+ textRect.left = 117;
+ doMonitor(closePtr->_graphicName, closePtr->_message, false, textRect);
+ break;
+ case kMonitorTalisman:
+ textRect.right = 184;
+ doMonitor(closePtr->_graphicName, closePtr->_message, false, textRect);
+ break;
+ case kMonitorLute:
+ textRect.right = luteRight;
+ doMonitor(closePtr->_graphicName, closePtr->_message, false, textRect);
+ break;
+ case kMonitorClock:
+ textRect.right = 206;
+ doMonitor(closePtr->_graphicName, closePtr->_message, false, textRect);
+ break;
+ case kMonitorTerminal:
+ doMonitor(closePtr->_graphicName, closePtr->_message, true, textRect);
+ break;
+ default:
+ return false;
+ }
+
+ _curFileName = " ";
+ _graphics->drawPanel();
+
+ return true;
+}
+
+Common::String LabEngine::getInvName(uint16 curInv) {
+ if (_mainDisplay)
+ return _inventory[curInv]._bitmapName;
+
+ if ((curInv == kItemLamp) && _conditions->in(kCondLampOn))
+ return "P:Mines/120";
+
+ if ((curInv == kItemBelt) && _conditions->in(kCondBeltGlowing))
+ return "P:Future/kCondBeltGlowing";
+
+ if (curInv == kItemWestPaper) {
+ _curFileName = _inventory[curInv]._bitmapName;
+ _anim->_noPalChange = true;
+ _graphics->readPict(_curFileName, false);
+ _anim->_noPalChange = false;
+ doWestPaper();
+ } else if (curInv == kItemNotes) {
+ _curFileName = _inventory[curInv]._bitmapName;
+ _anim->_noPalChange = true;
+ _graphics->readPict(_curFileName, false);
+ _anim->_noPalChange = false;
+ doNotes();
+ }
+
+ return _inventory[curInv]._bitmapName;
+}
+
+void LabEngine::interfaceOff() {
+ if (!_interfaceOff) {
+ _event->attachButtonList(nullptr);
+ _event->mouseHide();
+ _interfaceOff = true;
+ }
+}
+
+void LabEngine::interfaceOn() {
+ if (_interfaceOff) {
+ _interfaceOff = false;
+ _event->mouseShow();
+ }
+
+ if (_graphics->_longWinInFront)
+ _event->attachButtonList(nullptr);
+ else if (_alternate)
+ _event->attachButtonList(&_invButtonList);
+ else
+ _event->attachButtonList(&_moveButtonList);
+}
+
+bool LabEngine::doUse(uint16 curInv) {
+ switch (curInv) {
+ case kItemMap:
+ drawStaticMessage(kTextUseMap);
+ interfaceOff();
+ _anim->stopDiff();
+ _curFileName = " ";
+ _closeDataPtr = nullptr;
+ doMap(_roomNum);
+ _graphics->setPalette(initColors, 8);
+ _graphics->drawMessage("", false);
+ _graphics->drawPanel();
+ return true;
+ case kItemJournal:
+ drawStaticMessage(kTextUseJournal);
+ interfaceOff();
+ _anim->stopDiff();
+ _curFileName = " ";
+ _closeDataPtr = nullptr;
+ doJournal();
+ _graphics->drawPanel();
+ _graphics->drawMessage("", false);
+ return true;
+ case kItemLamp:
+ interfaceOff();
+
+ if (_conditions->in(kCondLampOn)) {
+ drawStaticMessage(kTextTurnLampOff);
+ _conditions->exclElement(kCondLampOn);
+ } else {
+ drawStaticMessage(kTextTurnkLampOn);
+ _conditions->inclElement(kCondLampOn);
+ }
+
+ _anim->_doBlack = false;
+ _anim->_waitForEffect = true;
+ _graphics->readPict("Music:Click");
+ _anim->_waitForEffect = false;
+
+ _anim->_doBlack = false;
+ _nextFileName = getInvName(curInv);
+ return true;
+ case kItemBelt:
+ if (!_conditions->in(kCondBeltGlowing))
+ _conditions->inclElement(kCondBeltGlowing);
+
+ _anim->_doBlack = false;
+ _nextFileName = getInvName(curInv);
+ return true;
+ case kItemWhiskey:
+ _conditions->inclElement(kCondUsedHelmet);
+ drawStaticMessage(kTextUseWhiskey);
+ return true;
+ case kItemPithHelmet:
+ _conditions->inclElement(kCondUsedHelmet);
+ drawStaticMessage(kTextUsePith);
+ return true;
+ case kItemHelmet:
+ _conditions->inclElement(kCondUsedHelmet);
+ drawStaticMessage(kTextUseHelmet);
+ return true;
+ default:
+ return false;
+ }
+}
+
+void LabEngine::decIncInv(uint16 *curInv, bool decreaseFl) {
+ int8 step = (decreaseFl) ? -1 : 1;
+ uint newInv = *curInv + step;
+
+ // Handle wrapping
+ if (newInv < 1)
+ newInv = _numInv;
+ if (newInv > _numInv)
+ newInv = 1;
+
+ interfaceOff();
+
+ while (newInv && (newInv <= _numInv)) {
+ if (_conditions->in(newInv) && !_inventory[newInv]._bitmapName.empty()) {
+ _nextFileName = getInvName(newInv);
+ *curInv = newInv;
+ break;
+ }
+
+ newInv += step;
+
+ // Handle wrapping
+ if (newInv < 1)
+ newInv = _numInv;
+ if (newInv > _numInv)
+ newInv = 1;
+ }
+}
+
+void LabEngine::mainGameLoop() {
+ _graphics->setPalette(initColors, 8);
+
+ _closeDataPtr = nullptr;
+ _roomNum = 1;
+ _direction = kDirectionNorth;
+
+ _resource->readRoomData("LAB:Doors");
+ if (!(_inventory = _resource->readInventory("LAB:Inventor")))
+ return;
+
+ if (!(_conditions = new LargeSet(_highestCondition + 1, this)))
+ return;
+
+ if (!(_roomsFound = new LargeSet(_manyRooms + 1, this)))
+ return;
+
+ _conditions->readInitialConditions("LAB:Conditio");
+
+ _graphics->_longWinInFront = false;
+ _graphics->drawPanel();
+
+ uint16 actionMode = 4;
+ perFlipButton(actionMode);
+
+ // Load saved slot from the launcher, if requested
+ if (ConfMan.hasKey("save_slot")) {
+ loadGame(ConfMan.getInt("save_slot"));
+
+ // Since the intro hasn't been shown, init the background music here
+ if (getPlatform() != Common::kPlatformAmiga)
+ _music->changeMusic("Music:BackGrou", false, false);
+ else
+ _music->changeMusic("Music:BackGround", false, false);
+ _music->checkRoomMusic();
+ }
+
+ uint16 curInv = kItemMap;
+ bool forceDraw = false;
+ bool gotMessage = true;
+ // Set up initial picture.
+ while (1) {
+ _event->processInput();
+ _system->delayMillis(10);
+
+ if (gotMessage) {
+ if (_quitLab || shouldQuit()) {
+ _anim->stopDiff();
+ break;
+ }
+
+ // Sees what kind of close up we're in and does the appropriate stuff, if any.
+ if (doCloseUp(_closeDataPtr)) {
+ _closeDataPtr = nullptr;
+ mayShowCrumbIndicator();
+ _graphics->screenUpdate();
+ }
+
+ // Sets the current picture properly on the screen
+ if (_mainDisplay)
+ _nextFileName = getPictName(true);
+
+ if (_noUpdateDiff) {
+ // Potentially entered another room
+ _roomsFound->inclElement(_roomNum);
+ forceDraw |= (_nextFileName != _curFileName);
+
+ _noUpdateDiff = false;
+ _curFileName = _nextFileName;
+ } else if (_nextFileName != _curFileName) {
+ interfaceOff();
+ // Potentially entered another room
+ _roomsFound->inclElement(_roomNum);
+ _curFileName = _nextFileName;
+
+ if (_closeDataPtr && _mainDisplay) {
+ switch (_closeDataPtr->_closeUpType) {
+ case kLockCombination:
+ _specialLocks->showCombinationLock(_curFileName);
+ break;
+ case kLockTiles:
+ case kLockTileSolution:
+ _specialLocks->showTileLock(_curFileName, (_closeDataPtr->_closeUpType == kLockTileSolution));
+ break;
+ default:
+ _graphics->readPict(_curFileName, false);
+ break;
+ }
+ } else
+ _graphics->readPict(_curFileName, false);
+
+ drawRoomMessage(curInv, _closeDataPtr);
+ forceDraw = false;
+
+ mayShowCrumbIndicator();
+ _graphics->screenUpdate();
+
+ if (!_followingCrumbs)
+ eatMessages();
+ }
+
+ if (forceDraw) {
+ drawRoomMessage(curInv, _closeDataPtr);
+ forceDraw = false;
+ _graphics->screenUpdate();
+ }
+ }
+
+ // Make sure we check the music at least after every message
+ updateEvents();
+ interfaceOn();
+ IntuiMessage *curMsg = _event->getMsg();
+ if (shouldQuit()) {
+ _quitLab = true;
+ return;
+ }
+
+ if (!curMsg) {
+ // Does music load and next animation frame when you've run out of messages
+ gotMessage = false;
+ _music->checkRoomMusic();
+ updateEvents();
+ _anim->diffNextFrame();
+
+ if (_followingCrumbs) {
+ MainButton code = followCrumbs();
+
+ if (code == kButtonForward || code == kButtonLeft || code == kButtonRight) {
+ gotMessage = true;
+ mayShowCrumbIndicator();
+ _graphics->screenUpdate();
+ if (!processEvent(kMessageButtonUp, code, 0, _event->updateAndGetMousePos(), curInv, curMsg, forceDraw, code, actionMode))
+ break;
+ }
+ }
+
+ mayShowCrumbIndicator();
+ _graphics->screenUpdate();
+ } else {
+ gotMessage = true;
+ _followingCrumbs = false;
+ if (!processEvent(curMsg->_msgClass, curMsg->_code, curMsg->_qualifier, curMsg->_mouse, curInv, curMsg, forceDraw, curMsg->_code, actionMode))
+ break;
+ }
+ }
+}
+
+void LabEngine::showLab2Teaser() {
+ _graphics->blackAllScreen();
+ _graphics->readPict("P:End/L2In.1");
+
+ for (int i = 0; i < 120; i++) {
+ updateEvents();
+ waitTOF();
+ }
+
+ _graphics->readPict("P:End/L2In.9");
+ _graphics->readPict("P:End/Lost");
+
+ while (!_event->getMsg() && !shouldQuit()) {
+ updateEvents();
+ _anim->diffNextFrame();
+ waitTOF();
+ }
+}
+
+bool LabEngine::processEvent(MessageClass tmpClass, uint16 code, uint16 qualifier, Common::Point tmpPos,
+ uint16 &curInv, IntuiMessage *curMsg, bool &forceDraw, uint16 buttonId, uint16 &actionMode) {
+
+ if (shouldQuit())
+ return false;
+
+ MessageClass msgClass = tmpClass;
+ Common::Point curPos = tmpPos;
+ uint16 oldDirection = 0;
+ uint16 lastInv = kItemMap;
+
+ if (code == Common::KEYCODE_RETURN)
+ msgClass = kMessageLeftClick;
+
+ bool leftButtonClick = (msgClass == kMessageLeftClick);
+ bool rightButtonClick = (msgClass == kMessageRightClick);
+
+ _anim->_doBlack = false;
+
+ if (_graphics->_longWinInFront) {
+ if (msgClass == kMessageRawKey || leftButtonClick || rightButtonClick) {
+ _graphics->_longWinInFront = false;
+ _graphics->drawPanel();
+ drawRoomMessage(curInv, _closeDataPtr);
+ _graphics->screenUpdate();
+ }
+ } else if (msgClass == kMessageRawKey) {
+ return processKey(curMsg, msgClass, qualifier, curPos, curInv, forceDraw, code);
+ } else if (msgClass == kMessageButtonUp) {
+ if (!_alternate)
+ processMainButton(curInv, lastInv, oldDirection, forceDraw, buttonId, actionMode);
+ else
+ processAltButton(curInv, lastInv, buttonId, actionMode);
+ } else if (leftButtonClick && _mainDisplay) {
+ interfaceOff();
+ _mainDisplay = true;
+
+ if (_closeDataPtr && _closeDataPtr->_closeUpType == kLockCombination)
+ _specialLocks->combinationClick(curPos);
+ else if (_closeDataPtr && _closeDataPtr->_closeUpType == kLockTiles)
+ _specialLocks->tileClick(curPos);
+ else
+ performAction(actionMode, curPos, curInv);
+
+ mayShowCrumbIndicator();
+ _graphics->screenUpdate();
+ } else if (rightButtonClick) {
+ eatMessages();
+ _alternate = !_alternate;
+ _anim->_doBlack = true;
+ _mainDisplay = true;
+ // Sets the correct button list
+ interfaceOn();
+
+ if (_alternate) {
+ if (lastInv && _conditions->in(lastInv))
+ curInv = lastInv;
+ else
+ decIncInv(&curInv, false);
+ }
+
+ _graphics->drawPanel();
+ drawRoomMessage(curInv, _closeDataPtr);
+
+ mayShowCrumbIndicator();
+ _graphics->screenUpdate();
+ }
+
+ return true;
+}
+
+bool LabEngine::processKey(IntuiMessage *curMsg, uint32 msgClass, uint16 &qualifier, Common::Point &curPos, uint16 &curInv, bool &forceDraw, uint16 code) {
+ if ((getPlatform() == Common::kPlatformWindows) && (code == Common::KEYCODE_b)) {
+ // Start bread crumbs
+ _breadCrumbs[0]._roomNum = 0;
+ _numCrumbs = 0;
+ _droppingCrumbs = true;
+ mayShowCrumbIndicator();
+ _graphics->screenUpdate();
+ } else if (getPlatform() == Common::kPlatformWindows && (code == Common::KEYCODE_f || code == Common::KEYCODE_r)) {
+ // Follow bread crumbs
+ if (_droppingCrumbs) {
+ if (_numCrumbs > 0) {
+ _followingCrumbs = true;
+ _followCrumbsFast = (code == Common::KEYCODE_r);
+ _isCrumbTurning = false;
+ _isCrumbWaiting = false;
+ _crumbTimestamp = _system->getMillis();
+
+ if (_alternate) {
+ eatMessages();
+ _alternate = false;
+ _anim->_doBlack = true;
+
+ _mainDisplay = true;
+ // Sets the correct button list
+ interfaceOn();
+ _graphics->drawPanel();
+ drawRoomMessage(curInv, _closeDataPtr);
+ _graphics->screenUpdate();
+ }
+ } else {
+ _breadCrumbs[0]._roomNum = 0;
+ _droppingCrumbs = false;
+
+ // Need to hide indicator!!!!
+ mayShowCrumbIndicatorOff();
+ _graphics->screenUpdate();
+ }
+ }
+ } else if ((code == Common::KEYCODE_x) || (code == Common::KEYCODE_q)) {
+ // Quit?
+ _graphics->drawMessage("Do you want to quit? (Y/N)", false);
+ eatMessages();
+ interfaceOff();
+
+ while (1) {
+ // Make sure we check the music at least after every message
+ updateEvents();
+ curMsg = _event->getMsg();
+
+ if (shouldQuit())
+ return false;
+
+ if (!curMsg) {
+ // Does music load and next animation frame when you've run out of messages
+ updateEvents();
+ _anim->diffNextFrame();
+ } else if (curMsg->_msgClass == kMessageRawKey) {
+ if ((curMsg->_code == Common::KEYCODE_y) || (curMsg->_code == Common::KEYCODE_q)) {
+ _anim->stopDiff();
+ return false;
+ } else if (curMsg->_code < 128)
+ break;
+ } else if ((curMsg->_msgClass == kMessageLeftClick) || (curMsg->_msgClass == kMessageRightClick))
+ break;
+ }
+
+ forceDraw = true;
+ interfaceOn();
+ } else if (code == Common::KEYCODE_ESCAPE) {
+ _closeDataPtr = nullptr;
+ } else if (code == Common::KEYCODE_TAB) {
+ const CloseData *tmpClosePtr = _closeDataPtr;
+
+ // get next close-up in list after the one pointed to by curPos
+ setCurrentClose(curPos, &tmpClosePtr, true, true);
+
+ if (tmpClosePtr != _closeDataPtr)
+ _event->setMousePos(Common::Point(_utils->scaleX((tmpClosePtr->_x1 + tmpClosePtr->_x2) / 2), _utils->scaleY((tmpClosePtr->_y1 + tmpClosePtr->_y2) / 2)));
+ }
+
+ eatMessages();
+
+ return true;
+}
+
+void LabEngine::processMainButton(uint16 &curInv, uint16 &lastInv, uint16 &oldDirection, bool &forceDraw, uint16 buttonId, uint16 &actionMode) {
+ switch (buttonId) {
+ case kButtonPickup:
+ case kButtonUse:
+ case kButtonOpen:
+ case kButtonClose:
+ case kButtonLook:
+ if ((actionMode == 4) && (buttonId == kButtonLook) && _closeDataPtr) {
+ doMainView();
+
+ _anim->_doBlack = true;
+ _closeDataPtr = nullptr;
+ mayShowCrumbIndicator();
+ } else {
+ uint16 oldActionMode = actionMode;
+ actionMode = buttonId;
+
+ if (oldActionMode < 5)
+ perFlipButton(oldActionMode);
+
+ perFlipButton(actionMode);
+ drawStaticMessage(kTextTakeWhat + buttonId);
+ }
+ break;
+
+ case kButtonInventory:
+ eatMessages();
+
+ _alternate = true;
+ _anim->_doBlack = true;
+ // Sets the correct button list
+ interfaceOn();
+ _mainDisplay = false;
+
+ if (lastInv && _conditions->in(lastInv)) {
+ curInv = lastInv;
+ _nextFileName = getInvName(curInv);
+ } else
+ decIncInv(&curInv, false);
+
+ _graphics->drawPanel();
+ drawRoomMessage(curInv, _closeDataPtr);
+
+ mayShowCrumbIndicator();
+ break;
+
+ case kButtonLeft:
+ case kButtonRight: {
+ _closeDataPtr = nullptr;
+ if (buttonId == kButtonLeft)
+ drawStaticMessage(kTextTurnLeft);
+ else
+ drawStaticMessage(kTextTurnRight);
+
+ _curFileName = " ";
+ oldDirection = _direction;
+
+ uint16 newDir = processArrow(_direction, buttonId - 6);
+ doTurn(_direction, newDir);
+ _anim->_doBlack = true;
+ _direction = newDir;
+ forceDraw = true;
+ mayShowCrumbIndicator();
+ }
+ break;
+
+ case kButtonForward: {
+ _closeDataPtr = nullptr;
+ int oldRoomNum = _roomNum;
+
+ if (doGoForward()) {
+ if (oldRoomNum == _roomNum)
+ _anim->_doBlack = true;
+ } else {
+ _anim->_doBlack = true;
+ _direction = processArrow(_direction, buttonId - 6);
+
+ if (oldRoomNum != _roomNum) {
+ drawStaticMessage(kTextGoForward);
+ // Potentially entered a new room
+ _roomsFound->inclElement(_roomNum);
+ _curFileName = " ";
+ forceDraw = true;
+ } else {
+ _anim->_doBlack = true;
+ drawStaticMessage(kTextNoPath);
+ }
+ }
+
+ if (_followingCrumbs) {
+ if (_isCrumbTurning) {
+ if (_direction == oldDirection)
+ _followingCrumbs = false;
+ } else if (_roomNum == oldRoomNum) { // didn't get there?
+ _followingCrumbs = false;
+ }
+ } else if (_droppingCrumbs && (oldRoomNum != _roomNum)) {
+ // If in surreal maze, turn off DroppingCrumbs.
+ if ((_roomNum >= 245) && (_roomNum <= 280)) {
+ _followingCrumbs = false;
+ _droppingCrumbs = false;
+ _numCrumbs = 0;
+ _breadCrumbs[0]._roomNum = 0;
+ } else {
+ bool intersect = false;
+ for (int idx = 0; idx < _numCrumbs; idx++) {
+ if (_breadCrumbs[idx]._roomNum == _roomNum) {
+ _numCrumbs = idx + 1;
+ _breadCrumbs[_numCrumbs]._roomNum = 0;
+ intersect = true;
+ }
+ }
+
+ if (!intersect) {
+ if (_numCrumbs == MAX_CRUMBS) {
+ _numCrumbs = MAX_CRUMBS - 1;
+ memcpy(&_breadCrumbs[0], &_breadCrumbs[1], _numCrumbs * sizeof _breadCrumbs[0]);
+ }
+
+ _breadCrumbs[_numCrumbs]._roomNum = _roomNum;
+ _breadCrumbs[_numCrumbs++]._direction = _direction;
+ }
+ }
+ }
+
+ mayShowCrumbIndicator();
+ }
+ break;
+
+ case kButtonMap:
+ doUse(kItemMap);
+
+ mayShowCrumbIndicator();
+ break;
+ }
+
+ _graphics->screenUpdate();
+}
+
+void LabEngine::processAltButton(uint16 &curInv, uint16 &lastInv, uint16 buttonId, uint16 &actionMode) {
+ _anim->_doBlack = true;
+
+ switch (buttonId) {
+ case kButtonMainDisplay:
+ eatMessages();
+ _alternate = false;
+ _anim->_doBlack = true;
+
+ _mainDisplay = true;
+ // Sets the correct button list
+ interfaceOn();
+ _graphics->drawPanel();
+ drawRoomMessage(curInv, _closeDataPtr);
+ break;
+
+ case kButtonSaveLoad: {
+ interfaceOff();
+ _anim->stopDiff();
+ _curFileName = " ";
+
+ bool saveRestoreSuccessful = saveRestoreGame();
+ _closeDataPtr = nullptr;
+ _mainDisplay = true;
+
+ curInv = lastInv = kItemMap;
+ _nextFileName = getInvName(curInv);
+
+ _graphics->drawPanel();
+
+ if (!saveRestoreSuccessful) {
+ _graphics->drawMessage("Save/restore aborted", false);
+ _graphics->setPalette(initColors, 8);
+ _system->delayMillis(1000);
+ }
+ }
+ break;
+
+ case kButtonUseItem:
+ if (!doUse(curInv)) {
+ uint16 oldActionMode = actionMode;
+ // Use button
+ actionMode = 5;
+
+ if (oldActionMode < 5)
+ perFlipButton(oldActionMode);
+
+ drawStaticMessage(kTextUseOnWhat);
+ _mainDisplay = true;
+ }
+ break;
+
+ case kButtonLookAtItem:
+ _mainDisplay = !_mainDisplay;
+
+ if ((curInv == 0) || (curInv > _numInv)) {
+ curInv = 1;
+
+ while ((curInv <= _numInv) && !_conditions->in(curInv))
+ curInv++;
+ }
+
+ if ((curInv <= _numInv) && _conditions->in(curInv) && !_inventory[curInv]._bitmapName.empty())
+ _nextFileName = getInvName(curInv);
+
+ break;
+
+ case kButtonPrevItem:
+ decIncInv(&curInv, true);
+ lastInv = curInv;
+ drawRoomMessage(curInv, _closeDataPtr);
+ break;
+
+ case kButtonNextItem:
+ decIncInv(&curInv, false);
+ lastInv = curInv;
+ drawRoomMessage(curInv, _closeDataPtr);
+ break;
+
+ case kButtonBreadCrumbs:
+ _breadCrumbs[0]._roomNum = 0;
+ _numCrumbs = 0;
+ _droppingCrumbs = true;
+ mayShowCrumbIndicator();
+ break;
+
+ case kButtonFollowCrumbs:
+ if (_droppingCrumbs) {
+ if (_numCrumbs > 0) {
+ _followingCrumbs = true;
+ _followCrumbsFast = false;
+ _isCrumbTurning = false;
+ _isCrumbWaiting = false;
+ _crumbTimestamp = _system->getMillis();
+
+ eatMessages();
+ _alternate = false;
+ _anim->_doBlack = true;
+
+ _mainDisplay = true;
+ // Sets the correct button list
+ interfaceOn();
+ _graphics->drawPanel();
+ drawRoomMessage(curInv, _closeDataPtr);
+ } else {
+ _breadCrumbs[0]._roomNum = 0;
+ _droppingCrumbs = false;
+
+ // Need to hide indicator!!!!
+ mayShowCrumbIndicatorOff();
+ }
+ }
+ break;
+ }
+
+ _graphics->screenUpdate();
+}
+
+void LabEngine::performAction(uint16 actionMode, Common::Point curPos, uint16 &curInv) {
+ eatMessages();
+
+ switch (actionMode) {
+ case 0:
+ // Take something.
+ if (doActionRule(curPos, actionMode, _roomNum))
+ _curFileName = _newFileName;
+ else if (takeItem(curPos))
+ drawStaticMessage(kTextTakeItem);
+ else if (doActionRule(curPos, kRuleActionTakeDef, _roomNum))
+ _curFileName = _newFileName;
+ else if (doActionRule(curPos, kRuleActionTake, 0))
+ _curFileName = _newFileName;
+ else if (curPos.y < (_utils->vgaScaleY(149) + _utils->svgaCord(2)))
+ drawStaticMessage(kTextNothing);
+
+ break;
+
+ case 1:
+ case 2:
+ case 3:
+ // Manipulate an object, Open up a "door" or Close a "door"
+ if (doActionRule(curPos, actionMode, _roomNum))
+ _curFileName = _newFileName;
+ else if (!doActionRule(curPos, actionMode, 0)) {
+ if (curPos.y < (_utils->vgaScaleY(149) + _utils->svgaCord(2)))
+ drawStaticMessage(kTextNothing);
+ }
+ break;
+
+ case 4: {
+ // Look at closeups
+ const CloseData *tmpClosePtr = _closeDataPtr;
+ setCurrentClose(curPos, &tmpClosePtr, true);
+
+ if (_closeDataPtr == tmpClosePtr) {
+ if (curPos.y < (_utils->vgaScaleY(149) + _utils->svgaCord(2)))
+ drawStaticMessage(kTextNothing);
+ } else if (!tmpClosePtr->_graphicName.empty()) {
+ _anim->_doBlack = true;
+ _closeDataPtr = tmpClosePtr;
+ } else if (curPos.y < (_utils->vgaScaleY(149) + _utils->svgaCord(2)))
+ drawStaticMessage(kTextNothing);
+ }
+ break;
+
+ case 5:
+ if (_conditions->in(curInv)) {
+ // Use an item on something else
+ if (doOperateRule(curPos, curInv)) {
+ _curFileName = _newFileName;
+
+ if (!_conditions->in(curInv))
+ decIncInv(&curInv, false);
+ }
+ else if (curPos.y < (_utils->vgaScaleY(149) + _utils->svgaCord(2)))
+ drawStaticMessage(kTextNothing);
+ }
+ }
+}
+
+void LabEngine::go() {
+ _isHiRes = ((getFeatures() & GF_LOWRES) == 0);
+ _graphics->setUpScreens();
+
+ _event->initMouse();
+ if (_msgFont)
+ _graphics->freeFont(&_msgFont);
+
+ if (getPlatform() != Common::kPlatformAmiga)
+ _msgFont = _resource->getFont("F:AvanteG.12");
+ else
+ _msgFont = _resource->getFont("F:Map.fon");
+
+ // If the user has requested to load a game from the launcher, skip the intro
+ if (!ConfMan.hasKey("save_slot")) {
+ _event->mouseHide();
+ _introPlaying = true;
+ Intro *intro = new Intro(this);
+ intro->play();
+ delete intro;
+ _introPlaying = false;
+ _event->mouseShow();
+ }
+
+ mainGameLoop();
+
+ _graphics->freeFont(&_msgFont);
+ _graphics->freePict();
+
+ freeScreens();
+
+ _music->freeMusic();
+}
+
+MainButton LabEngine::followCrumbs() {
+ // kDirectionNorth, kDirectionSouth, kDirectionEast, kDirectionWest
+ MainButton movement[4][4] = {
+ { kButtonForward, kButtonRight, kButtonRight, kButtonLeft },
+ { kButtonRight, kButtonForward, kButtonLeft, kButtonRight },
+ { kButtonLeft, kButtonRight, kButtonForward, kButtonRight },
+ { kButtonRight, kButtonLeft, kButtonRight, kButtonForward }
+ };
+
+ if (_isCrumbWaiting) {
+ if (_system->getMillis() <= _crumbTimestamp)
+ return kButtonNone;
+
+ _isCrumbWaiting = false;
+ }
+
+ if (!_isCrumbTurning)
+ _breadCrumbs[_numCrumbs--]._roomNum = 0;
+
+ // Is the current crumb this room? If not, logic error.
+ if (_roomNum != _breadCrumbs[_numCrumbs]._roomNum) {
+ _numCrumbs = 0;
+ _breadCrumbs[0]._roomNum = 0;
+ _droppingCrumbs = false;
+ _followingCrumbs = false;
+ return kButtonNone;
+ }
+
+ Direction exitDir;
+ // which direction is last crumb
+ if (_breadCrumbs[_numCrumbs]._direction == kDirectionEast)
+ exitDir = kDirectionWest;
+ else if (_breadCrumbs[_numCrumbs]._direction == kDirectionWest)
+ exitDir = kDirectionEast;
+ else if (_breadCrumbs[_numCrumbs]._direction == kDirectionNorth)
+ exitDir = kDirectionSouth;
+ else
+ exitDir = kDirectionNorth;
+
+ MainButton moveDir = movement[_direction][exitDir];
+
+ if (_numCrumbs == 0) {
+ _isCrumbTurning = false;
+ _breadCrumbs[0]._roomNum = 0;
+ _droppingCrumbs = false;
+ _followingCrumbs = false;
+ } else {
+ _isCrumbTurning = (moveDir != kButtonForward);
+ _isCrumbWaiting = true;
+
+ int theDelay = (_followCrumbsFast ? 1000 / 4 : 1000);
+ _crumbTimestamp = theDelay + _system->getMillis();
+ }
+
+ return moveDir;
+}
+
+
+void LabEngine::mayShowCrumbIndicator() {
+ static byte dropCrumbsImageData[CRUMBSWIDTH * CRUMBSHEIGHT] = {
+ 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0,
+ 0, 4, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 0,
+ 4, 7, 7, 3, 4, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 7, 7, 4,
+ 4, 7, 4, 4, 0, 0, 3, 2, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 7, 4,
+ 4, 7, 4, 0, 0, 0, 3, 2, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 4, 7, 4,
+ 4, 7, 4, 0, 0, 3, 2, 2, 2, 3, 0, 0, 0, 0, 0, 0, 0, 3, 2, 3, 0, 4, 7, 4,
+ 4, 7, 4, 0, 0, 0, 3, 3, 3, 4, 4, 4, 4, 4, 4, 0, 0, 3, 2, 3, 0, 4, 7, 4,
+ 4, 7, 4, 0, 0, 0, 0, 0, 4, 7, 7, 7, 7, 7, 7, 4, 3, 2, 2, 2, 3, 4, 7, 4,
+ 4, 7, 4, 0, 0, 0, 0, 4, 7, 7, 4, 4, 4, 4, 7, 7, 4, 3, 3, 3, 0, 4, 7, 4,
+ 4, 7, 4, 0, 0, 0, 0, 4, 7, 4, 4, 0, 0, 4, 4, 7, 4, 0, 0, 0, 0, 4, 7, 4,
+ 4, 7, 4, 0, 0, 0, 0, 4, 7, 4, 0, 0, 0, 0, 4, 7, 4, 0, 0, 0, 0, 4, 7, 4,
+ 4, 7, 4, 0, 0, 0, 0, 4, 4, 4, 3, 0, 0, 0, 4, 7, 4, 0, 0, 0, 0, 4, 7, 4,
+ 4, 7, 4, 0, 0, 0, 0, 0, 4, 3, 2, 3, 0, 0, 4, 7, 4, 0, 0, 0, 0, 4, 7, 4,
+ 4, 7, 4, 0, 0, 0, 0, 0, 0, 3, 2, 3, 0, 0, 4, 7, 4, 0, 0, 0, 0, 4, 7, 4,
+ 4, 7, 4, 0, 0, 0, 0, 0, 3, 2, 2, 2, 3, 4, 4, 7, 4, 0, 0, 0, 0, 4, 7, 4,
+ 4, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 7, 7, 4, 0, 0, 0, 0, 4, 7, 4,
+ 0, 4, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 0, 0, 0, 0, 0, 4, 7, 4,
+ 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 0, 0, 0, 0, 0, 4, 7, 4,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 2, 3, 0, 0, 0, 0, 4, 7, 4,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 2, 3, 0, 0, 0, 0, 4, 7, 4,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 2, 2, 2, 3, 0, 0, 4, 4, 7, 4,
+ 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 7, 7, 4,
+ 0, 0, 4, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 0,
+ 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0
+ };
+
+ if (getPlatform() != Common::kPlatformWindows)
+ return;
+
+ if (_droppingCrumbs && _mainDisplay) {
+ static byte *imgData = new byte[CRUMBSWIDTH * CRUMBSHEIGHT];
+ memcpy(imgData, dropCrumbsImageData, CRUMBSWIDTH * CRUMBSHEIGHT);
+ static Image dropCrumbsImage(CRUMBSWIDTH, CRUMBSHEIGHT, imgData, this);
+
+ dropCrumbsImage.drawMaskImage(612, 4);
+ }
+}
+
+void LabEngine::mayShowCrumbIndicatorOff() {
+ static byte dropCrumbsOffImageData[CRUMBSWIDTH * CRUMBSHEIGHT] = {
+ 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0,
+ 0, 4, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 0,
+ 4, 8, 8, 3, 4, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 8, 8, 4,
+ 4, 8, 4, 4, 0, 0, 3, 8, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 8, 4,
+ 4, 8, 4, 0, 0, 0, 3, 8, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 4, 8, 4,
+ 4, 8, 4, 0, 0, 3, 8, 8, 8, 3, 0, 0, 0, 0, 0, 0, 0, 3, 8, 3, 0, 4, 8, 4,
+ 4, 8, 4, 0, 0, 0, 3, 3, 3, 4, 4, 4, 4, 4, 4, 0, 0, 3, 8, 3, 0, 4, 8, 4,
+ 4, 8, 4, 0, 0, 0, 0, 0, 4, 8, 8, 8, 8, 8, 8, 4, 3, 8, 8, 8, 3, 4, 8, 4,
+ 4, 8, 4, 0, 0, 0, 0, 4, 8, 8, 4, 4, 4, 4, 8, 8, 4, 3, 3, 3, 0, 4, 8, 4,
+ 4, 8, 4, 0, 0, 0, 0, 4, 8, 4, 4, 0, 0, 4, 4, 8, 4, 0, 0, 0, 0, 4, 8, 4,
+ 4, 8, 4, 0, 0, 0, 0, 4, 8, 4, 0, 0, 0, 0, 4, 8, 4, 0, 0, 0, 0, 4, 8, 4,
+ 4, 8, 4, 0, 0, 0, 0, 4, 4, 4, 3, 0, 0, 0, 4, 8, 4, 0, 0, 0, 0, 4, 8, 4,
+ 4, 8, 4, 0, 0, 0, 0, 0, 4, 3, 8, 3, 0, 0, 4, 8, 4, 0, 0, 0, 0, 4, 8, 4,
+ 4, 8, 4, 0, 0, 0, 0, 0, 0, 3, 8, 3, 0, 0, 4, 8, 4, 0, 0, 0, 0, 4, 8, 4,
+ 4, 8, 4, 0, 0, 0, 0, 0, 3, 8, 8, 8, 3, 4, 4, 8, 4, 0, 0, 0, 0, 4, 8, 4,
+ 4, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 8, 8, 4, 0, 0, 0, 0, 4, 8, 4,
+ 0, 4, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 0, 0, 0, 0, 0, 4, 8, 4,
+ 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 0, 0, 0, 0, 0, 4, 8, 4,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 8, 3, 0, 0, 0, 0, 4, 8, 4,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 8, 3, 0, 0, 0, 0, 4, 8, 4,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 8, 8, 8, 3, 0, 0, 4, 4, 8, 4,
+ 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 8, 8, 4,
+ 0, 0, 4, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 0,
+ 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0
+ };
+
+ if (getPlatform() != Common::kPlatformWindows)
+ return;
+
+ if (_mainDisplay) {
+ static byte *imgData = new byte[CRUMBSWIDTH * CRUMBSHEIGHT];
+ memcpy(imgData, dropCrumbsOffImageData, CRUMBSWIDTH * CRUMBSHEIGHT);
+ static Image dropCrumbsOffImage(CRUMBSWIDTH, CRUMBSHEIGHT, imgData, this);
+
+ dropCrumbsOffImage.drawMaskImage(612, 4);
+ }
+}
+
+} // End of namespace Lab