/
engine.cpp
1196 lines (1010 loc) · 32 KB
/
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);