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-rw-r--r--engines/access/room.cpp833
1 files changed, 833 insertions, 0 deletions
diff --git a/engines/access/room.cpp b/engines/access/room.cpp
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--- /dev/null
+++ b/engines/access/room.cpp
@@ -0,0 +1,833 @@
+/* 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/scummsys.h"
+#include "common/memstream.h"
+#include "access/access.h"
+#include "access/resources.h"
+#include "access/room.h"
+
+namespace Access {
+
+Room::Room(AccessEngine *vm) : Manager(vm) {
+ _function = FN_NONE;
+ _roomFlag = 0;
+ _playField = nullptr;
+ _playFieldWidth = _playFieldHeight = 0;
+ _matrixSize = 0;
+ _tile = nullptr;
+ _selectCommand = 0;
+ _conFlag = false;
+ _selectCommand = -1;
+}
+
+Room::~Room() {
+ delete[] _playField;
+ delete[] _tile;
+}
+
+void Room::freePlayField() {
+ delete[] _playField;
+ _playField = nullptr;
+}
+
+void Room::freeTileData() {
+ delete[] _tile;
+ _tile = nullptr;
+}
+
+void Room::doRoom() {
+ bool reloadFlag = false;
+
+ while (!_vm->shouldQuit()) {
+ if (!reloadFlag) {
+ _vm->_images.clear();
+ _vm->_newRects.clear();
+ _vm->_oldRects.clear();
+ _vm->_numAnimTimers = 0;
+
+ reloadRoom();
+ }
+
+ reloadFlag = false;
+ _vm->_startup = 8;
+ _function = FN_NONE;
+
+ while (!_vm->shouldQuit()) {
+ _vm->_images.clear();
+ if (_vm->_startup != -1 && --_vm->_startup == 0) {
+ _vm->_events->showCursor();
+ _vm->_screen->fadeIn();
+ }
+
+ // Poll for events
+ _vm->_canSaveLoad = true;
+ _vm->_events->pollEventsAndWait();
+ _vm->_canSaveLoad = false;
+
+ _vm->_player->walk();
+ _vm->_midi->midiRepeat();
+ _vm->_player->checkScroll();
+
+ doCommands();
+ if (_vm->shouldQuitOrRestart())
+ return;
+
+ // DOROOMFLASHBACK jump point
+ if (_function == FN_CLEAR1) {
+ clearRoom();
+ break;
+ } else if (_function == FN_CLEAR2) {
+ clearRoom();
+ return;
+ } else if (_function == FN_RELOAD) {
+ reloadRoom1();
+ reloadFlag = true;
+ break;
+ } else if (_function == FN_BREAK) {
+ break;
+ }
+
+ if (_vm->_player->_scrollFlag) {
+ _vm->copyBF1BF2();
+ _vm->_newRects.clear();
+ _function = FN_NONE;
+ roomLoop();
+
+ if (_function == FN_CLEAR1) {
+ clearRoom();
+ break;
+ } else {
+ _vm->plotList();
+ _vm->copyRects();
+ _vm->copyBF2Vid();
+ }
+ } else {
+ _vm->copyBF1BF2();
+ _vm->_newRects.clear();
+ _function = FN_NONE;
+
+ roomLoop();
+ if (_vm->shouldQuitOrRestart())
+ return;
+
+ if (_function == FN_CLEAR1) {
+ clearRoom();
+ break;
+ } else {
+ _vm->plotList();
+
+ if (_vm->_events->_mousePos.y < 177)
+ _vm->_events->setCursor(_vm->_events->_normalMouse);
+ else
+ _vm->_events->setCursor(CURSOR_ARROW);
+
+ _vm->copyBlocks();
+ }
+ }
+ }
+ }
+}
+
+void Room::clearRoom() {
+ if (_vm->_midi->_music) {
+ _vm->_midi->stopSong();
+ _vm->_midi->freeMusic();
+ }
+
+ _vm->_sound->freeSounds();
+ _vm->_numAnimTimers = 0;
+
+ _vm->_animation->freeAnimationData();
+ _vm->_scripts->freeScriptData();
+ _vm->freeCells();
+ freePlayField();
+ freeTileData();
+ _vm->_player->freeSprites();
+}
+
+void Room::loadRoomData(const byte *roomData) {
+ RoomInfo roomInfo(roomData, _vm->getGameID(), _vm->isCD(), _vm->isDemo());
+
+ _roomFlag = roomInfo._roomFlag;
+
+ _vm->_establishFlag = false;
+ if (roomInfo._estIndex != -1) {
+ _vm->_establishFlag = true;
+ if (_vm->_establishTable[roomInfo._estIndex] != 1) {
+ _vm->_establishTable[roomInfo._estIndex] = 1;
+ _vm->establish(0, roomInfo._estIndex);
+ }
+ }
+
+ _vm->_midi->freeMusic();
+ if (roomInfo._musicFile._fileNum != -1) {
+ _vm->_midi->loadMusic(roomInfo._musicFile);
+ _vm->_midi->midiPlay();
+ _vm->_midi->setLoop(true);
+ }
+
+ _vm->_scaleH1 = roomInfo._scaleH1;
+ _vm->_scaleH2 = roomInfo._scaleH2;
+ _vm->_scaleN1 = roomInfo._scaleN1;
+ _vm->_scaleT1 = ((_vm->_scaleH1 - _vm->_scaleH2) << 8) / _vm->_scaleN1;
+
+ if (roomInfo._playFieldFile._fileNum != -1) {
+ loadPlayField(roomInfo._playFieldFile._fileNum,
+ roomInfo._playFieldFile._subfile);
+ setupRoom();
+
+ _vm->_scaleMaxY = _playFieldHeight << 4;
+ }
+
+ // Load cells
+ _vm->loadCells(roomInfo._cells);
+
+ // Load script data
+ _vm->_scripts->freeScriptData();
+ if (roomInfo._scriptFile._fileNum != -1) {
+ Resource *newScript = _vm->_files->loadFile(roomInfo._scriptFile);
+ _vm->_scripts->setScript(newScript);
+ }
+
+ // Load animation data
+ _vm->_animation->freeAnimationData();
+ if (roomInfo._animFile._fileNum != -1) {
+ Resource *anim = _vm->_files->loadFile(roomInfo._animFile);
+ _vm->_animation->loadAnimations(anim);
+ delete anim;
+ }
+
+ _vm->_scale = _vm->_scaleI = roomInfo._scaleI;
+ _vm->_screen->setScaleTable(_vm->_scale);
+ _vm->_player->_scrollThreshold = roomInfo._scrollThreshold;
+
+ // Handle loading scene palette data
+ if (roomInfo._paletteFile._fileNum != -1) {
+ _vm->_screen->_startColor = roomInfo._startColor;
+ _vm->_screen->_numColors = roomInfo._numColors;
+ _vm->_screen->loadPalette(roomInfo._paletteFile._fileNum,
+ roomInfo._paletteFile._subfile);
+ }
+
+ // Load extra cells
+ _vm->_extraCells.clear();
+ for (uint i = 0; i < roomInfo._extraCells.size(); ++i)
+ _vm->_extraCells.push_back(roomInfo._extraCells[i]);
+
+ // Load sounds for the scene
+ _vm->_sound->loadSounds(roomInfo._sounds);
+}
+
+void Room::roomLoop() {
+ _vm->_scripts->_sequence = ROOM_SCRIPT;
+ _vm->_scripts->searchForSequence();
+ _vm->_scripts->executeScript();
+}
+
+void Room::setupRoom() {
+ Screen &screen = *_vm->_screen;
+ screen.setScaleTable(_vm->_scale);
+ screen.setBufferScan();
+
+ if (_roomFlag != 2)
+ screen.setIconPalette();
+
+ if (screen._vWindowWidth == _playFieldWidth) {
+ _vm->_scrollX = 0;
+ _vm->_scrollCol = 0;
+ } else {
+ int xv = _vm->_player->_rawPlayer.x / TILE_WIDTH;
+ _vm->_scrollX = _vm->_player->_rawPlayer.x % TILE_WIDTH;
+ _vm->_scrollCol = MAX(xv - (screen._vWindowWidth / 2), 0);
+
+ int sx = _vm->_scrollCol + screen._vWindowWidth - _playFieldWidth;
+ if (sx >= 0) {
+ _vm->_scrollCol -= sx + 1;
+ }
+ }
+
+ if (screen._vWindowHeight == _playFieldHeight) {
+ _vm->_scrollY = 0;
+ _vm->_scrollRow = 0;
+ } else {
+ _vm->_scrollY = _vm->_player->_rawPlayer.y -
+ (_vm->_player->_rawPlayer.y / 16) * 16;
+ int yc = MAX((_vm->_player->_rawPlayer.y >> 4) -
+ (screen._vWindowHeight / 2), 0);
+ _vm->_scrollRow = yc;
+
+ yc = yc + screen._vWindowHeight - _playFieldHeight;
+ if (yc >= 0) {
+ _vm->_scrollRow = _playFieldHeight - screen._vWindowHeight;
+ _vm->_scrollY = 0;
+ }
+ }
+}
+
+void Room::setWallCodes() {
+ _jetFrame.clear();
+ _jetFrame.resize(_plotter._walls.size());
+
+ _vm->_player->_rawXTemp = _vm->_player->_rawPlayer.x;
+ _vm->_player->_rawYTemp = _vm->_player->_rawPlayer.y;
+}
+
+void Room::buildScreen() {
+ int scrollCol = _vm->_scrollCol;
+ int offset = 0;
+
+ // Clear current background buffer
+ _vm->_buffer1.clearBuffer();
+
+ // WORKAROUND: Original's use of '+ 1' would frequently cause memory overruns
+ int w = MIN(_vm->_screen->_vWindowWidth + 1, _playFieldWidth);
+
+ // Loop through drawing each column of tiles forming the background
+ for (int idx = 0; idx < w; offset += TILE_WIDTH, ++idx) {
+ buildColumn(_vm->_scrollCol, offset);
+ ++_vm->_scrollCol;
+ }
+
+ _vm->_scrollCol = scrollCol;
+ _vm->copyBF1BF2();
+}
+
+void Room::buildColumn(int playX, int screenX) {
+ if (playX < 0 || playX >= _playFieldWidth)
+ return;
+
+ const byte *pSrc = _playField + _vm->_scrollRow *
+ _playFieldWidth + playX;
+
+ // WORKAROUND: Original's use of '+ 1' would frequently cause memory overruns
+ int h = MIN(_vm->_screen->_vWindowHeight + 1, _playFieldHeight);
+
+ for (int y = 0; y < h; ++y) {
+ byte *pTile = _tile + (*pSrc << 8);
+ byte *pDest = (byte *)_vm->_buffer1.getBasePtr(screenX, y * TILE_HEIGHT);
+
+ for (int tileY = 0; tileY < TILE_HEIGHT; ++tileY) {
+ Common::copy(pTile, pTile + TILE_WIDTH, pDest);
+ pTile += TILE_WIDTH;
+ pDest += _vm->_buffer1.pitch;
+ }
+
+ pSrc += _playFieldWidth;
+ }
+}
+
+void Room::buildRow(int playY, int screenY) {
+ if (playY < 0 || playY >= _playFieldHeight)
+ return;
+ assert(screenY <= (_vm->_screen->h - TILE_HEIGHT));
+
+ const byte *pSrc = _playField + playY *_playFieldWidth + _vm->_scrollCol;
+
+ // WORKAROUND: Original's use of '+ 1' would frequently cause memory overruns
+ int w = MIN(_vm->_screen->_vWindowWidth + 1, _playFieldWidth);
+
+ for (int x = 0; x < w; ++x) {
+ byte *pTile = _tile + (*pSrc << 8);
+ byte *pDest = (byte *)_vm->_buffer1.getBasePtr(x * TILE_WIDTH, screenY);
+
+ for (int tileY = 0; tileY < TILE_HEIGHT; ++tileY) {
+ Common::copy(pTile, pTile + TILE_WIDTH, pDest);
+ pTile += TILE_WIDTH;
+ pDest += _vm->_buffer1.pitch;
+ }
+
+ ++pSrc;
+ }
+}
+
+void Room::loadPlayField(int fileNum, int subfile) {
+ Resource *playData = _vm->_files->loadFile(fileNum, subfile);
+ byte header[16];
+ playData->_stream->read(&header[0], 16);
+ Screen &screen = *_vm->_screen;
+
+ // Copy the new palette
+ screen.loadRawPalette(playData->_stream);
+
+ // Copy off the tile data
+ int tileSize = (int)header[2] << 8;
+ _tile = new byte[tileSize];
+ playData->_stream->read(_tile, tileSize);
+
+ // Copy off the playfield data
+ _matrixSize = header[0] * header[1];
+ _playField = new byte[_matrixSize];
+ playData->_stream->read(_playField, _matrixSize);
+
+ // Load the plotter data
+ int numWalls = READ_LE_UINT16(&header[6]);
+ int numBlocks = header[8];
+ _plotter.load(playData->_stream, numWalls, numBlocks);
+
+ _playFieldWidth = header[0];
+ _playFieldHeight = header[1];
+ screen._vWindowWidth = header[3];
+ screen._vWindowBytesWide = screen._vWindowWidth << 4;
+ screen._bufferBytesWide = screen._vWindowBytesWide + 16;
+ screen._vWindowHeight = header[4];
+ screen._vWindowLinesTall = screen._vWindowHeight << 4;
+
+ _vm->_screen->setBufferScan();
+ delete playData;
+}
+
+/*------------------------------------------------------------------------*/
+
+Plotter::Plotter() {
+ _delta = _blockIn = 0;
+}
+
+void Plotter::load(Common::SeekableReadStream *stream, int wallCount, int blockCount) {
+ // Load the wall count
+ _walls.resize(wallCount);
+
+ for (int i = 0; i < wallCount; ++i)
+ _walls[i].left = stream->readSint16LE();
+ for (int i = 0; i < wallCount; ++i)
+ _walls[i].top = stream->readSint16LE();
+ for (int i = 0; i < wallCount; ++i)
+ _walls[i].right = stream->readSint16LE();
+ for (int i = 0; i < wallCount; ++i)
+ _walls[i].bottom = stream->readSint16LE();
+
+ // Load the block list
+ _blocks.resize(blockCount);
+
+ for (int i = 0; i < blockCount; ++i)
+ _blocks[i].left = stream->readSint16LE();
+ for (int i = 0; i < blockCount; ++i)
+ _blocks[i].top = stream->readSint16LE();
+ for (int i = 0; i < blockCount; ++i)
+ _blocks[i].right = stream->readSint16LE();
+ for (int i = 0; i < blockCount; ++i)
+ _blocks[i].bottom = stream->readSint16LE();
+}
+
+void Room::doCommands() {
+ int commandId = 0;
+ Common::KeyState keyState;
+
+ if (_vm->_startup != -1)
+ return;
+
+ if (_vm->_inventory->_invChangeFlag)
+ _vm->_inventory->refreshInventory();
+
+ if (_vm->_screen->_screenChangeFlag) {
+ _vm->_screen->_screenChangeFlag = false;
+ _vm->_events->_cursorExitFlag = true;
+ executeCommand(7);
+ }
+ else if (_vm->_events->_wheelUp || _vm->_events->_wheelDown) {
+ // Handle scrolling mouse wheel
+ cycleCommand(_vm->_events->_wheelUp ? 1 : -1);
+
+ } else if (_vm->_events->_middleButton) {
+ // Switch back to walking
+ handleCommand(7);
+
+ } else if (_vm->_events->_leftButton) {
+ if (_vm->_events->_mouseRow >= 22) {
+ // Mouse in user interface area
+ for (commandId = 0; commandId < 10; ++commandId) {
+ if (_vm->_events->_mousePos.x >= RMOUSE[commandId][0] &&
+ _vm->_events->_mousePos.x < RMOUSE[commandId][1])
+ break;
+ }
+ if (commandId < 10)
+ handleCommand(commandId);
+
+ } else {
+ // Mouse click in main game area
+ mainAreaClick();
+ }
+ } else if (_vm->_events->getKey(keyState)) {
+ if (keyState.keycode == Common::KEYCODE_F1)
+ handleCommand(keyState.keycode - Common::KEYCODE_F1 + 1);
+ else if (keyState.keycode >= Common::KEYCODE_F2 && keyState.keycode <= Common::KEYCODE_F10)
+ handleCommand(keyState.keycode - Common::KEYCODE_F1);
+ }
+}
+
+void Room::cycleCommand(int incr) {
+ int command = _selectCommand + incr;
+ if (command < -1)
+ command = 6;
+ else if (command == -1)
+ command = 7;
+ else if (command == 1)
+ command = (incr == 1) ? 2 : 0;
+ else if (command == 4)
+ command = (incr == 1) ? 5 : 3;
+
+ handleCommand(command);
+}
+
+void Room::handleCommand(int commandId) {
+ if (commandId == 1)
+ --commandId;
+
+ if (commandId == 9) {
+ _vm->_events->debounceLeft();
+ _vm->_canSaveLoad = true;
+ _vm->openMainMenuDialog();
+ _vm->_canSaveLoad = false;
+ } else if (commandId == _selectCommand) {
+ _vm->_events->debounceLeft();
+ commandOff();
+ } else {
+ _vm->_events->debounceLeft();
+ executeCommand(commandId);
+ }
+}
+
+void Room::executeCommand(int commandId) {
+ EventsManager &events = *_vm->_events;
+ _selectCommand = commandId;
+
+ switch (commandId) {
+ case 0:
+ events.forceSetCursor(CURSOR_LOOK);
+ break;
+ case 2:
+ events.forceSetCursor(CURSOR_USE);
+ break;
+ case 3:
+ events.forceSetCursor(CURSOR_TAKE);
+ break;
+ case 4:
+ events.setCursor(CURSOR_ARROW);
+ if (_vm->_inventory->newDisplayInv() == 2) {
+ commandOff();
+ return;
+ }
+ break;
+ case 5:
+ events.forceSetCursor(CURSOR_CLIMB);
+ break;
+ case 6:
+ events.forceSetCursor(CURSOR_TALK);
+ break;
+ case 7:
+ walkCursor();
+ return;
+ case 8:
+ events.forceSetCursor(CURSOR_HELP);
+ break;
+ default:
+ break;
+ }
+
+ // Draw the default toolbar menu at the bottom of the screen
+ roomMenu();
+ _vm->_screen->saveScreen();
+ _vm->_screen->setDisplayScan();
+
+ // Get the toolbar icons resource
+ Resource *iconData = _vm->_files->loadFile("ICONS.LZ");
+ SpriteResource *spr = new SpriteResource(_vm, iconData);
+ delete iconData;
+
+ // Draw the button as selected
+ _vm->_screen->plotImage(spr, _selectCommand + 2,
+ Common::Point(RMOUSE[_selectCommand][0], 176));
+
+ _vm->_screen->restoreScreen();
+ _vm->_boxSelect = true;
+}
+
+void Room::walkCursor() {
+ EventsManager &events = *_vm->_events;
+
+ events.forceSetCursor(CURSOR_CROSSHAIRS);
+ _vm->_scripts->_sequence = 5000;
+ _vm->_scripts->searchForSequence();
+ roomMenu();
+ _selectCommand = -1;
+
+ _conFlag = true;
+ while (_conFlag && !_vm->shouldQuitOrRestart()) {
+ _conFlag = false;
+ _vm->_scripts->executeScript();
+ }
+
+ _vm->_boxSelect = true;
+}
+
+void Room::commandOff() {
+ _selectCommand = -1;
+ _vm->_events->forceSetCursor(CURSOR_CROSSHAIRS);
+ roomMenu();
+}
+
+int Room::checkBoxes() {
+ return checkBoxes1(_vm->_player->_rawPlayer);
+}
+
+int Room::checkBoxes1(const Common::Point &pt) {
+ return checkBoxes2(pt, 0, _plotter._blocks.size());
+}
+
+int Room::checkBoxes2(const Common::Point &pt, int start, int count) {
+ for (; count > 0; --count, ++start) {
+ if (_plotter._blocks[start].contains(pt)) {
+ _plotter._blockIn = start;
+ return start;
+ }
+ }
+
+ return -1;
+}
+
+void Room::checkBoxes3() {
+ Common::Point pt = _vm->_events->calcRawMouse();
+
+ for (uint start = 0; start < _plotter._blocks.size(); ++start) {
+ if (_plotter._blocks[start].contains(pt)) {
+ _plotter._blockIn = start;
+ if (!(validateBox(start) & 0x80)) {
+ _vm->_events->debounceLeft();
+ _vm->_boxSelect = start;
+
+ _conFlag = true;
+ while (_conFlag && !_vm->shouldQuitOrRestart()) {
+ _conFlag = false;
+ _vm->_scripts->executeScript();
+ }
+
+ _vm->_boxSelect = true;
+ return;
+ }
+ }
+ }
+}
+
+int Room::validateBox(int boxId) {
+ _vm->_scripts->_sequence = boxId;
+ _vm->_scripts->searchForSequence();
+ return _vm->_scripts->executeScript();
+}
+
+void Room::swapOrg() {
+ SWAP<int>(_vm->_screen->_orgX1, _vm->_screen->_orgX2);
+ SWAP<int>(_vm->_screen->_orgY1, _vm->_screen->_orgY2);
+}
+
+int Room::calcLR(int yp) {
+ const Screen &screen = *_vm->_screen;
+
+ int yv = (yp - screen._orgY1) * (screen._orgX2 - screen._orgX1);
+ int yd = screen._orgY2 - screen._orgY1;
+
+ int rem = (yv % yd) << 1;
+ yv /= yd;
+ if (rem >= yd || rem < 0)
+ ++yv;
+
+ return yv + screen._orgX1;
+}
+
+int Room::calcUD(int xp) {
+ const Screen &screen = *_vm->_screen;
+
+ int xv = (xp - screen._orgX1) * (screen._orgY2 - screen._orgY1);
+ int xd = screen._orgX2 - screen._orgX1;
+
+ int rem = (xv % xd) << 1;
+ xv /= xd;
+ if (rem >= xd || rem < 0)
+ ++xv;
+
+ return xv + screen._orgY1;
+}
+
+bool Room::codeWalls() {
+ Screen &screen = *_vm->_screen;
+ Player &player = *_vm->_player;
+
+ if (_plotter._walls.size() == 0)
+ return false;
+
+ for (uint i = 0; i < _plotter._walls.size(); ++i) {
+ Common::Rect &r = _plotter._walls[i];
+ JetFrame &jf = _jetFrame[i];
+
+ jf._wallCode = 0;
+ jf._wallCode1 = 0;
+ screen._orgX1 = r.left;
+ screen._orgY1 = r.top;
+ screen._orgX2 = r.right;
+ screen._orgY2 = r.bottom;
+
+ if (screen._orgY2 != screen._orgY1) {
+ if (screen._orgY2 < screen._orgY1)
+ swapOrg();
+
+ if ((player._rawYTemp >= screen._orgY1) &&
+ (player._rawYTemp <= screen._orgY2)) {
+ jf._wallCode |= (calcLR(player._rawYTemp) - player._rawXTemp) < 0 ? 2 : 1;
+ jf._wallCode1 |= (calcLR(player._rawYTemp) -
+ (player._rawXTemp + player._playerOffset.x)) < 0 ? 2 : 1;
+ }
+ }
+
+ if (screen._orgX2 != screen._orgX1) {
+ if (screen._orgX2 < screen._orgX1)
+ swapOrg();
+
+ if ((player._rawXTemp >= screen._orgX1) &&
+ (player._rawXTemp <= screen._orgX2)) {
+ int y = screen._orgY2;
+ if (y != screen._orgY1)
+ y = calcUD(player._rawXTemp);
+
+ jf._wallCode |= (player._rawYTemp - y) < 0 ? 4 : 8;
+ }
+
+ int x = player._rawXTemp + player._playerOffset.x;
+ if ((x >= screen._orgX1) && (x <= screen._orgX2)) {
+ int y = screen._orgY2;
+ if (screen._orgY2 != screen._orgY1)
+ y = calcUD(player._rawXTemp + player._playerOffset.x);
+
+ jf._wallCode1 |= (player._rawYTemp - y) < 0 ? 4 : 8;
+ }
+ }
+ }
+
+ for (uint i = 0; i < _jetFrame.size(); ++i) {
+ JetFrame &jf = _jetFrame[i];
+ if (checkCode(jf._wallCode, jf._wallCodeOld) ||
+ checkCode(jf._wallCode1, jf._wallCode1Old))
+ return true;
+ }
+
+ // Copy the current wall calculations to the old properties
+ for (uint i = 0; i < _jetFrame.size(); ++i) {
+ JetFrame &jf = _jetFrame[i];
+ jf._wallCodeOld = jf._wallCode;
+ jf._wallCode1Old = jf._wallCode1;
+ }
+
+ return false;
+}
+
+bool Room::checkCode(int v1, int v2) {
+ Player &p = *_vm->_player;
+
+ if (!v1 || !v2 || (v1 == v2))
+ return false;
+
+ if (v1 & 1) {
+ if (v2 & 2) {
+ p._collideFlag = true;
+ return true;
+ }
+ } else if (v1 & 2) {
+ if (v2 & 1) {
+ p._collideFlag = true;
+ return true;
+ }
+ } else if (v1 & 4) {
+ if (v2 & 8) {
+ p._collideFlag = true;
+ return true;
+ }
+ } else if (v1 & 8) {
+ if (v2 & 4) {
+ p._collideFlag = true;
+ return true;
+ }
+ }
+
+ return false;
+}
+
+/*------------------------------------------------------------------------*/
+
+RoomInfo::RoomInfo(const byte *data, int gameType, bool isCD, bool isDemo) {
+ Common::MemoryReadStream stream(data, 999);
+
+ _roomFlag = stream.readByte();
+
+ if (gameType == GType_Amazon) {
+ if (isCD)
+ _estIndex = stream.readSint16LE();
+ else {
+ _estIndex = -1;
+ if (!isDemo)
+ stream.readSint16LE();
+ }
+ } else
+ _estIndex = -1;
+
+ _musicFile.load(stream);
+ _scaleH1 = stream.readByte();
+ _scaleH2 = stream.readByte();
+ _scaleN1 = stream.readByte();
+ _playFieldFile.load(stream);
+
+ for (byte cell = stream.readByte(); cell != 0xff; cell = stream.readByte()) {
+ CellIdent ci;
+ ci._cell = cell;
+ ci.load(stream);
+
+ _cells.push_back(ci);
+ }
+
+ _scriptFile.load(stream);
+ _animFile.load(stream);
+ _scaleI = stream.readByte();
+ _scrollThreshold = stream.readByte();
+ _paletteFile.load(stream);
+ if (_paletteFile._fileNum == -1) {
+ _startColor = _numColors = 0;
+ } else {
+ _startColor = stream.readUint16LE();
+ _numColors = stream.readUint16LE();
+ }
+
+ for (int16 v = stream.readSint16LE(); v != -1; v = stream.readSint16LE()) {
+ ExtraCell ec;
+ ec._vid._fileNum = v;
+ ec._vid._subfile = stream.readSint16LE();
+
+ _extraCells.push_back(ec);
+ }
+
+ for (int16 fileNum = stream.readSint16LE(); fileNum != -1; fileNum = stream.readSint16LE()) {
+ SoundIdent fi;
+ fi._fileNum = fileNum;
+ fi._subfile = stream.readUint16LE();
+ fi._priority = stream.readUint16LE();
+
+ _sounds.push_back(fi);
+ }
+}
+
+} // End of namespace Access