Started to refactor kyra2/kyra3 code to a common base. (regressions possible, compiling currently broken)

svn-id: r31817

1 files changed, 864 insertions, 0 deletions

diff --git a/engines/kyra/scene_mr.cpp b/engines/kyra/scene_mr.cpp
new file mode 100644
index 0000000000..c5a1c28ce2
--- /dev/null
+++ b/engines/kyra/scene_mr.cpp
@@ -0,0 +1,864 @@
+/* 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.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#include "kyra/kyra_mr.h"
+#include "kyra/screen_mr.h"
+#include "kyra/wsamovie.h"
+#include "kyra/sound.h"
+#include "kyra/resource.h"
+
+namespace Kyra {
+
+void KyraEngine_MR::enterNewScene(uint16 sceneId, int facing, int unk1, int unk2, int unk3) {
+	debugC(9, kDebugLevelMain, "KyraEngine_MR::enterNewScene('%d, %d, %d, %d, %d)", sceneId, facing, unk1, unk2, unk3);
+	++_enterNewSceneLock;
+	_screen->hideMouse();
+
+	showMessage(0, 0xF0, 0xF0);
+	if (_inventoryState) {
+		hideInventory();
+		musicUpdate(0);
+	}
+
+	musicUpdate(0);
+	if (_currentChapter != _currentTalkFile) {
+		_currentTalkFile = _currentChapter;
+		openTalkFile(_currentTalkFile);
+	}
+	musicUpdate(0);
+
+	if (!unk3) {
+		//XXX
+		musicUpdate(0);
+	}
+
+	if (unk1) {
+		int x = _mainCharacter.x1;
+		int y = _mainCharacter.y1;
+
+		switch (facing) {
+		case 0:
+			y -= 6;
+			break;
+
+		case 2:
+			x = 343;
+			break;
+
+		case 4:
+			y = 191;
+			break;
+
+		case 6:
+			x = -24;
+			break;
+		}
+
+		musicUpdate(0);
+		moveCharacter(facing, x, y);
+	}
+
+	musicUpdate(0);
+	uint32 waitUntilTimer = 0;
+	bool newSoundFile = false;
+	if (_lastMusicCommand != _sceneList[sceneId].sound) {
+		fadeOutMusic(60);
+		waitUntilTimer = _system->getMillis() + 60 * _tickLength;
+		newSoundFile = true;
+	}
+
+	//XXX
+
+	if (!unk3) {
+		_emc->init(&_sceneScriptState, &_sceneScriptData);
+		_emc->start(&_sceneScriptState, 5);
+		while (_emc->isValid(&_sceneScriptState)) {
+			_emc->run(&_sceneScriptState);
+			musicUpdate(0);
+		}
+	}
+
+	musicUpdate(0);
+
+	_specialExitCount = 0;
+	Common::set_to(_specialExitTable, _specialExitTable+ARRAYSIZE(_specialExitTable), 0xFFFF);
+
+	musicUpdate(0);
+
+	_mainCharacter.sceneId = sceneId;
+	_sceneList[sceneId].flags &= ~1;
+	musicUpdate(0);
+	unloadScene();
+	musicUpdate(0);
+
+	for (int i = 0; i < 4; ++i) {
+		if (i != _musicSoundChannel && i != _fadeOutMusicChannel)
+			_soundDigital->stopSound(i);
+	}
+	_fadeOutMusicChannel = -1;
+	musicUpdate(0);
+	loadScenePal();
+	musicUpdate(0);
+
+	if (queryGameFlag(0x1D9)) {
+		char filename[20];
+		if (queryGameFlag(0x20D)) {
+			resetGameFlag(0x20D);
+			strcpy(filename, "COW1_");
+		} else if (queryGameFlag(0x20E)) {
+			resetGameFlag(0x20E);
+			strcpy(filename, "COW2_");
+		} else if (queryGameFlag(0x20F)) {
+			resetGameFlag(0x20F);
+			strcpy(filename, "COW3_");
+		} else if (queryGameFlag(0x20C)) {
+			resetGameFlag(0x20C);
+			strcpy(filename, "BOAT");
+		} else if (queryGameFlag(0x210)) {
+			resetGameFlag(0x210);
+			strcpy(filename, "JUNG");
+		}
+
+		playVQA(filename);
+
+		resetGameFlag(0x1D9);
+	}
+
+	musicUpdate(0);
+	loadSceneMsc();
+	musicUpdate(0);
+	_sceneExit1 = _sceneList[sceneId].exit1;
+	_sceneExit2 = _sceneList[sceneId].exit2;
+	_sceneExit3 = _sceneList[sceneId].exit3;
+	_sceneExit4 = _sceneList[sceneId].exit4;
+
+	while (_system->getMillis() < waitUntilTimer)
+		_system->delayMillis(10);
+
+	musicUpdate(0);
+	initSceneScript(unk3);
+	musicUpdate(0);
+
+	if (_overwriteSceneFacing) {
+		facing = _mainCharacter.facing;
+		_overwriteSceneFacing = false;
+	}
+
+	enterNewSceneUnk1(facing, unk2, unk3);
+	musicUpdate(0);
+	setCommandLineRestoreTimer(-1);
+	_sceneScriptState.regs[3] = 1;
+	enterNewSceneUnk2(unk3);
+	if (queryGameFlag(0)) {
+		_showOutro = true;
+		_runFlag = false;
+	} else {
+		if (!--_enterNewSceneLock)
+			_unk5 = 0;
+
+		setNextIdleAnimTimer();
+
+		if (_itemInHand < 0) {
+			_itemInHand = -1;
+			_handItemSet = -1;
+			_screen->setMouseCursor(0, 0, _gameShapes[0]);
+		}
+
+		Common::Point pos = getMousePos();
+		if (pos.y > 187)
+			setMousePos(pos.x, 179);
+	}
+	_screen->showMouse();
+}
+
+void KyraEngine_MR::enterNewSceneUnk1(int facing, int unk1, int unk2) {
+	debugC(9, kDebugLevelMain, "KyraEngine_MR::enterNewSceneUnk1(%d, %d, %d)", facing, unk1, unk2);
+	int x = 0, y = 0;
+	int x2 = 0, y2 = 0;
+	bool needProc = true;
+
+	if (_mainCharX == -1 && _mainCharY == -1) {
+		switch (facing+1) {
+		case 1: case 2: case 8:
+			x2 = _sceneEnterX3;
+			y2 = _sceneEnterY3;
+			break;
+
+		case 3:
+			x2 = _sceneEnterX4;
+			y2 = _sceneEnterY4;
+			break;
+
+		case 4: case 5: case 6:
+			x2 = _sceneEnterX1;
+			y2 = _sceneEnterY1;
+			break;
+
+		case 7:
+			x2 = _sceneEnterX2;
+			y2 = _sceneEnterY2;
+			break;
+
+		default:
+			x2 = y2 = -1;
+			break;
+		}
+
+		if (x2 >= 316)
+			x2 = 312;
+		if (y2 >= 185)
+			y2 = 183;
+		if (x2 <= 4)
+			x2 = 8;
+	}
+
+	if (_mainCharX >= 0) {
+		x = x2 = _mainCharX;
+		needProc = false;
+	}
+
+	if (_mainCharY >= 0) {
+		y = y2 = _mainCharY;
+		needProc = false;
+	}
+
+	_mainCharX = _mainCharY = -1;
+
+	if (unk1 && needProc) {
+		x = x2;
+		y = y2;
+
+		switch (facing) {
+		case 0:
+			y2 = 191;
+			break;
+
+		case 2:
+			x2 = -24;
+			break;
+
+		case 4:
+			y2 = y - 4;
+			break;
+
+		case 6:
+			x2 = 343;
+			break;
+
+		default:
+			break;
+		}
+	}
+
+	x2 &= ~3;
+	x &= ~3;
+	y2 &= ~1;
+	y &= ~1;
+
+	_mainCharacter.facing = facing;
+	_mainCharacter.x1 = _mainCharacter.x2 = x2;
+	_mainCharacter.y1 = _mainCharacter.y2 = y2;
+	initSceneAnims(unk2);
+
+	if (_mainCharacter.sceneId == 9 && !_soundDigital->isPlaying(_musicSoundChannel))
+		snd_playWanderScoreViaMap(_sceneList[_mainCharacter.sceneId].sound, 0);
+	if (!unk2)
+		snd_playWanderScoreViaMap(_sceneList[_mainCharacter.sceneId].sound, 0);
+
+	if (unk1 && !unk2 && _mainCharacter.animFrame != 87)
+		moveCharacter(facing, x, y);
+}
+
+void KyraEngine_MR::enterNewSceneUnk2(int unk1) {
+	debugC(9, kDebugLevelMain, "KyraEngine_MR::enterNewSceneUnk2(%d)", unk1);
+	_unk3 = -1;
+	if (_mainCharX == -1 && _mainCharY == -1 && !unk1) {
+		_mainCharacter.animFrame = _characterFrameTable[_mainCharacter.facing];
+		updateCharacterAnim(0);
+		refreshAnimObjectsIfNeed();
+	}
+
+	if (!unk1) {
+		runSceneScript4(0);
+		malcolmSceneStartupChat();
+	}
+
+	_unk4 = 0;
+	_unk3 = -1;
+}
+
+void KyraEngine_MR::unloadScene() {
+	debugC(9, kDebugLevelMain, "KyraEngine_MR::unloadScene()");
+	delete [] _sceneStrings;
+	_sceneStrings = 0;
+	musicUpdate(0);
+	_emc->unload(&_sceneScriptData);
+	musicUpdate(0);
+	freeSceneShapes();
+	musicUpdate(0);
+	freeSceneAnims();
+	musicUpdate(0);
+}
+
+void KyraEngine_MR::freeSceneShapes() {
+	debugC(9, kDebugLevelMain, "KyraEngine_MR::freeSceneShapes()");
+	for (uint i = 0; i < ARRAYSIZE(_sceneShapes); ++i) {
+		delete [] _sceneShapes[i];
+		_sceneShapes[i] = 0;
+	}
+}
+
+void KyraEngine_MR::loadScenePal() {
+	debugC(9, kDebugLevelMain, "KyraEngine_MR::loadScenePal()");
+	char filename[16];
+	memcpy(_screen->getPalette(2), _screen->getPalette(0), 768);
+	strcpy(filename, _sceneList[_mainCharacter.sceneId].filename1);
+	strcat(filename, ".COL");
+
+	_screen->loadBitmap(filename, 3, 3, 0);
+	memcpy(_screen->getPalette(2), _screen->getCPagePtr(3), 432);
+	memset(_screen->getPalette(2), 0, 3);
+
+	for (int i = 144; i <= 167; ++i) {
+		uint8 *palette = _screen->getPalette(2) + i * 3;
+		palette[0] = palette[2] = 63;
+		palette[1] = 0;
+	}
+
+	_screen->generateOverlay(_screen->getPalette(2), _paletteOverlay, 0xF0, 0x19);
+
+	uint8 *palette = _screen->getPalette(2) + 432;
+	const uint8 *costPal = _costPalBuffer + _malcolmShapes * 72;
+	memcpy(palette, costPal, 24*3);
+}
+
+void KyraEngine_MR::loadSceneMsc() {
+	debugC(9, kDebugLevelMain, "KyraEngine_MR::loadSceneMsc()");
+	char filename[16];
+	strcpy(filename, _sceneList[_mainCharacter.sceneId].filename1);
+	strcat(filename, ".MSC");
+
+	_res->exists(filename, true);
+	Common::SeekableReadStream *stream = _res->getFileStream(filename);
+	assert(stream);
+	int16 minY = 0, height = 0;
+	minY = stream->readSint16LE();
+	height = stream->readSint16LE();
+	delete stream;
+	stream = 0;
+	musicUpdate(0);
+	_maskPageMinY = minY;
+	_maskPageMaxY = minY + height - 1;
+
+	_screen->setShapePages(5, 3, _maskPageMinY, _maskPageMaxY);
+
+	musicUpdate(0);
+	_screen->loadBitmap(filename, 5, 5, 0, true);
+
+	// HACK
+	uint8 data[320*200];
+	_screen->copyRegionToBuffer(5, 0, 0, 320, 200, data);
+	_screen->clearPage(5);
+	_screen->copyBlockToPage(5, 0, _maskPageMinY, 320, height, data);
+
+	musicUpdate(0);
+}
+
+void KyraEngine_MR::initSceneScript(int unk1) {
+	debugC(9, kDebugLevelMain, "KyraEngine_MR::initSceneScript(%d)", unk1);
+	const SceneDesc &scene = _sceneList[_mainCharacter.sceneId];
+	musicUpdate(0);
+
+	char filename[16];
+	strcpy(filename, scene.filename1);
+	strcat(filename, ".DAT");
+
+	_res->exists(filename, true);
+	Common::SeekableReadStream *stream = _res->getFileStream(filename);
+	assert(stream);
+	stream->seek(2, SEEK_CUR);
+
+	byte scaleTable[15];
+	stream->read(scaleTable, 15);
+	stream->read(_sceneDatPalette, 45);
+	stream->read(_sceneDatLayerTable, 15);
+	int16 shapesCount = stream->readSint16LE();
+
+	for (int i = 0; i < 15; ++i)
+		_scaleTable[i] = (uint16(scaleTable[i]) << 8) / 100;
+
+	if (shapesCount > 0) {
+		strcpy(filename, scene.filename1);
+		strcat(filename, "9.CPS");
+		musicUpdate(0);
+		_screen->loadBitmap(filename, 3, 3, 0);
+		int pageBackUp = _screen->_curPage;
+		_screen->_curPage = 2;
+		for (int i = 0; i < shapesCount; ++i) {
+			int16 x = stream->readSint16LE();
+			int16 y = stream->readSint16LE();
+			int16 w = stream->readSint16LE();
+			int16 h = stream->readSint16LE();
+			_sceneShapeDescs[i].drawX = stream->readSint16LE();
+			_sceneShapeDescs[i].drawY = stream->readSint16LE();
+			_sceneShapes[i] = _screen->encodeShape(x, y, w, h, 0);
+			assert(_sceneShapes[i]);
+			musicUpdate(0);
+		}
+		_screen->_curPage = pageBackUp;
+		musicUpdate(0);
+	}
+	musicUpdate(0);
+
+	strcpy(filename, scene.filename1);
+	strcat(filename, ".CPS");
+	_screen->loadBitmap(filename, 3, 3, 0);
+	musicUpdate(0);
+
+	Common::set_to(_specialSceneScriptState, _specialSceneScriptState+ARRAYSIZE(_specialSceneScriptState), false);
+	_sceneEnterX1 = 160;
+	_sceneEnterY1 = 0;
+	_sceneEnterX2 = 296;
+	_sceneEnterY2 = 93;
+	_sceneEnterX3 = 160;
+	_sceneEnterY3 = 171;
+	_sceneEnterX4 = 24;
+	_sceneEnterY4 = 93;
+	_sceneMinX = 0;
+	_sceneMaxX = 319;
+
+	_emc->init(&_sceneScriptState, &_sceneScriptData);
+	strcpy(filename, scene.filename2);
+	strcat(filename, ".EMC");
+	musicUpdate(0);
+	_res->exists(filename, true);
+	_emc->load(filename, &_sceneScriptData, &_opcodes);
+
+	strcpy(filename, scene.filename2);
+	strcat(filename, ".");
+	loadLanguageFile(filename, _sceneStrings);
+	musicUpdate(0);
+
+	runSceneScript8();
+	_emc->start(&_sceneScriptState, 0);
+	_sceneScriptState.regs[0] = _mainCharacter.sceneId;
+	_sceneScriptState.regs[5] = unk1;
+	while (_emc->isValid(&_sceneScriptState))
+		_emc->run(&_sceneScriptState);
+
+	_screen->copyRegionToBuffer(3, 0, 0, 320, 200, _gamePlayBuffer);
+	musicUpdate(0);
+
+	for (int i = 0; i < 10; ++i) {
+		_emc->init(&_sceneSpecialScripts[i], &_sceneScriptData);
+		_emc->start(&_sceneSpecialScripts[i], i+9);
+		musicUpdate(0);
+		_sceneSpecialScriptsTimer[i] = 0;
+	}
+
+	_sceneEnterX1 &= ~3;
+	_sceneEnterY1 &= ~1;
+	_sceneEnterX2 &= ~3;
+	_sceneEnterY2 &= ~1;
+	_sceneEnterX3 &= ~3;
+	_sceneEnterY3 &= ~1;
+	_sceneEnterX4 &= ~3;
+	_sceneEnterY4 &= ~1;
+	musicUpdate(0);
+}
+
+void KyraEngine_MR::initSceneAnims(int unk1) {
+	debugC(9, kDebugLevelMain, "KyraEngine_MR::initSceneAnims(%d)", unk1);
+	for (int i = 0; i < 67; ++i)
+		_animObjects[i].enabled = false;
+
+	AnimObj *obj = &_animObjects[0];
+
+	if (_mainCharacter.animFrame != 87 && !unk1)
+		_mainCharacter.animFrame = _characterFrameTable[_mainCharacter.facing];
+
+	obj->enabled = true;
+	obj->xPos1 = _mainCharacter.x1;
+	obj->yPos1 = _mainCharacter.y1;
+	obj->shapePtr = getShapePtr(_mainCharacter.animFrame);
+	obj->shapeIndex2 = obj->shapeIndex1 = _mainCharacter.animFrame;
+	obj->xPos2 = _mainCharacter.x1;
+	obj->yPos2 = _mainCharacter.y1;
+	_charScale = getScale(_mainCharacter.x1, _mainCharacter.y1);
+	obj->xPos3 = obj->xPos2 += (_malcolmShapeXOffset * _charScale) >> 8;
+	obj->yPos3 = obj->yPos2 += (_malcolmShapeYOffset * _charScale) >> 8;
+	_mainCharacter.x3 = _mainCharacter.x1 - (_charScale >> 4) - 1;
+	_mainCharacter.y3 = _mainCharacter.y1 - (_charScale >> 6) - 1;
+	obj->needRefresh = true;
+	_animList = 0;
+
+	for (int i = 0; i < 16; ++i) {
+		const SceneAnim &anim = _sceneAnims[i];
+		obj = &_animObjects[i+1];
+		obj->enabled = false;
+		obj->needRefresh = false;
+
+		if (anim.flags & 1) {
+			obj->enabled = true;
+			obj->needRefresh = true;
+		}
+
+		obj->specialRefresh = (anim.flags & 0x20) ? 1 : 0;
+		obj->flags = (anim.flags & 0x10) ? 0x800 : 0;
+		if (anim.flags & 2)
+			obj->flags |= 1;
+
+		obj->xPos1 = anim.x;
+		obj->yPos1 = anim.y;
+
+		if ((anim.flags & 4) && anim.shapeIndex != -1)
+			obj->shapePtr = _sceneShapes[anim.shapeIndex];
+		else
+			obj->shapePtr = 0;
+
+		if (anim.flags & 8) {
+			obj->shapeIndex3 = anim.shapeIndex;
+			obj->animNum = i;
+		} else {
+			obj->shapeIndex3 = 0xFFFF;
+			obj->animNum = 0xFFFF;
+		}
+
+		obj->xPos3 = obj->xPos2 = anim.x2;
+		obj->yPos3 = obj->yPos2 = anim.y2;
+		obj->width = anim.width;
+		obj->height = anim.height;
+		obj->width2 = obj->height2 = anim.specialSize;
+
+		if (anim.flags & 1) {
+			if (_animList)
+				_animList = addToAnimListSorted(_animList, obj);
+			else
+				_animList = initAnimList(_animList, obj);
+		}
+	}
+
+	if (_animList)
+		_animList = addToAnimListSorted(_animList, &_animObjects[0]);
+	else
+		_animList = initAnimList(_animList, &_animObjects[0]);
+
+	for (int i = 0; i < 50; ++i) {
+		obj = &_animObjects[i+17];
+		const Item &item = _itemList[i];
+		if (item.id != 0xFFFF && item.sceneId == _mainCharacter.sceneId) {
+			obj->xPos1 = item.x;
+			obj->yPos1 = item.y;
+			animSetupPaletteEntry(obj);
+			obj->shapePtr = 0;
+			obj->shapeIndex1 = obj->shapeIndex2 = item.id + 248;
+			obj->xPos2 = item.x;
+			obj->yPos2 = item.y;
+
+			int scale = getScale(obj->xPos1, obj->yPos1);
+			const uint8 *shape = getShapePtr(obj->shapeIndex1);
+			obj->xPos3 = obj->xPos2 -= (_screen->getShapeScaledWidth(shape, scale) >> 1);
+			obj->yPos3 = obj->yPos2 -= _screen->getShapeScaledHeight(shape, scale) - 1;
+			obj->enabled = true;
+			obj->needRefresh = true;
+
+			if (_animList)
+				_animList = addToAnimListSorted(_animList, obj);
+			else
+				_animList = initAnimList(_animList, obj);
+		} else {
+			obj->enabled = false;
+			obj->needRefresh = false;
+		}
+	}
+
+	for (int i = 0; i < 67; ++i)
+		_animObjects[i].needRefresh = _animObjects[i].enabled;
+
+	restorePage3();
+	drawAnimObjects();
+	_screen->hideMouse();
+	initSceneScreen(unk1);
+	_screen->showMouse();
+	refreshAnimObjects(0);
+}
+
+void KyraEngine_MR::initSceneScreen(int unk1) {
+	debugC(9, kDebugLevelMain, "KyraEngine_MR::initSceneScreen(%d)", unk1);
+	_screen->copyBlockToPage(2, 0, 188, 320, 12, _interfaceCommandLine);
+
+	if (_unkSceneScreenFlag1) {
+		_screen->copyRegion(0, 0, 0, 0, 320, 200, 2, 0, Screen::CR_NO_P_CHECK);
+		return;
+	}
+
+	if (_noScriptEnter) {
+		memset(_screen->getPalette(0), 0, 432);
+		if (!_wsaPlayingVQA)
+			_screen->setScreenPalette(_screen->getPalette(0));
+	}
+
+	_screen->copyRegion(0, 0, 0, 0, 320, 200, 2, 0, Screen::CR_NO_P_CHECK);
+
+	if (_noScriptEnter) {
+		if (!_wsaPlayingVQA)
+			_screen->setScreenPalette(_screen->getPalette(2));
+		memcpy(_screen->getPalette(0), _screen->getPalette(2), 432);
+		if (_wsaPlayingVQA) {
+			_screen->fadeFromBlack(0x3C);
+			_wsaPlayingVQA = false;
+		}
+	}
+
+	updateCharPal(0);
+
+	if (1/*!_menuDirectlyToLoad*/) {
+		_emc->start(&_sceneScriptState, 3);
+		_sceneScriptState.regs[5] = unk1;
+
+		while (_emc->isValid(&_sceneScriptState))
+			_emc->run(&_sceneScriptState);
+	}
+}
+
+int KyraEngine_MR::trySceneChange(int *moveTable, int unk1, int updateChar) {
+	debugC(9, kDebugLevelMain, "KyraEngine_MR::trySceneChange(%p, %d, %d)", (const void*)moveTable, unk1, updateChar);
+	bool running = true;
+	bool unkFlag = false;
+	int changedScene = 0;
+	const int *moveTableStart = moveTable;
+	_unk4 = 0;
+
+	while (running && !_quitFlag) {
+		if (*moveTable >= 0 && *moveTable <= 7) {
+			_mainCharacter.facing = getOppositeFacingDirection(*moveTable);
+			unkFlag = true;
+		} else {
+			if (*moveTable == 8) {
+				running = false;
+			} else {
+				++moveTable;
+				unkFlag = false;
+			}
+		}
+
+		if (checkSceneChange()) {
+			running = false;
+			changedScene = 1;
+		}
+
+		if (unk1) {
+			if (skipFlag()) {
+				resetSkipFlag(false);
+				running = false;
+				_unk4 = 1;
+			}
+		}
+
+		if (!unkFlag || !running)
+			continue;
+
+		int ret = 0;
+		if (moveTable == moveTableStart || moveTable[1] == 8)
+			ret = updateCharPos(0, 0);
+		else
+			ret = updateCharPos(moveTable, 0);
+
+		if (ret)
+			++moveTable;
+
+		update();
+	}
+
+	if (updateChar)
+		_mainCharacter.animFrame = _characterFrameTable[_mainCharacter.facing];
+
+	updateCharacterAnim(0);
+	refreshAnimObjectsIfNeed();
+
+	return changedScene;
+}
+
+int KyraEngine_MR::checkSceneChange() {
+	debugC(9, kDebugLevelMain, "KyraEngine_MR::checkSceneChange()");
+	const SceneDesc &curScene = _sceneList[_mainCharacter.sceneId];
+	int charX = _mainCharacter.x1, charY = _mainCharacter.y1;
+	int facing = 0;
+	int process = 0;
+
+	if (_screen->getLayer(charX, charY) == 1 && _unk3 == -7) {
+		facing = 0;
+		process = 1;
+	} else if (charX >= 316 && _unk3 == -6) {
+		facing = 2;
+		process = 1;
+	} else if (charY >= 186 && _unk3 == -5) {
+		facing = 4;
+		process = 1;
+	} else if (charX <= 4 && _unk3 == -4) {
+		facing = 6;
+		process = 1;
+	}
+
+	if (!process)
+		return 0;
+
+	uint16 newScene = 0xFFFF;
+	switch (facing) {
+	case 0:
+		newScene = curScene.exit1;
+		break;
+
+	case 2:
+		newScene = curScene.exit2;
+		break;
+
+	case 4:
+		newScene = curScene.exit3;
+		break;
+
+	case 6:
+		newScene = curScene.exit4;
+		break;
+
+	default:
+		newScene = _mainCharacter.sceneId;
+		break;
+	}
+
+	if (newScene == 0xFFFF)
+		return 0;
+
+	enterNewScene(newScene, facing, 1, 1, 0);
+	return 1;
+}
+int KyraEngine_MR::runSceneScript1(int x, int y) {
+	debugC(9, kDebugLevelMain, "KyraEngine_MR::runSceneScript1(%d, %d)", x, y);
+	if (y > 187 && _unk3 > -4)
+		return 0;
+	if (_deathHandler >= 0)
+		return 0;
+	
+	_emc->init(&_sceneScriptState, &_sceneScriptData);
+	_sceneScriptState.regs[1] = x;
+	_sceneScriptState.regs[2] = y;
+	_sceneScriptState.regs[3] = 0;
+	_sceneScriptState.regs[4] = _itemInHand;
+
+	_emc->start(&_sceneScriptState, 1);
+	while (_emc->isValid(&_sceneScriptState))
+		_emc->run(&_sceneScriptState);
+
+	return _sceneScriptState.regs[3];
+}
+
+int KyraEngine_MR::runSceneScript2() {
+	debugC(9, kDebugLevelMain, "KyraEngine_MR::runSceneScript2()");
+	_sceneScriptState.regs[1] = _mouseX;
+	_sceneScriptState.regs[2] = _mouseY;
+	_sceneScriptState.regs[3] = 0;
+	_sceneScriptState.regs[4] = _itemInHand;
+
+	_emc->start(&_sceneScriptState, 2);
+	while (_emc->isValid(&_sceneScriptState))
+		_emc->run(&_sceneScriptState);
+
+	return _sceneScriptState.regs[3];
+}
+
+void KyraEngine_MR::runSceneScript4(int unk1) {
+	debugC(9, kDebugLevelMain, "KyraEngine_MR::runSceneScript4(%d)", unk1);
+	_sceneScriptState.regs[4] = _itemInHand;
+	_sceneScriptState.regs[5] = unk1;
+	_sceneScriptState.regs[3] = 0;
+	_noStartupChat = false;
+
+	_emc->start(&_sceneScriptState, 4);
+	while (_emc->isValid(&_sceneScriptState))
+		_emc->run(&_sceneScriptState);
+
+	if (_sceneScriptState.regs[3])
+		_noStartupChat = true;
+}
+
+void KyraEngine_MR::runSceneScript6() {
+	debugC(9, kDebugLevelMain, "KyraEngine_MR::runSceneScript6()");
+	_emc->init(&_sceneScriptState, &_sceneScriptData);
+
+	_sceneScriptState.regs[0] = _mainCharacter.sceneId;
+	_sceneScriptState.regs[1] = _mouseX;
+	_sceneScriptState.regs[2] = _mouseY;
+	_sceneScriptState.regs[3] = _itemInHand;
+
+	_emc->start(&_sceneScriptState, 6);
+	while (_emc->isValid(&_sceneScriptState))
+		_emc->run(&_sceneScriptState);
+}
+
+void KyraEngine_MR::runSceneScript8() {
+	debugC(9, kDebugLevelMain, "KyraEngine_MR::runSceneScript8()");
+	_emc->start(&_sceneScriptState, 8);
+	while (_emc->isValid(&_sceneScriptState)) {
+		musicUpdate(0);
+		_emc->run(&_sceneScriptState);
+	}
+}
+
+bool KyraEngine_MR::lineIsPassable(int x, int y) {
+	debugC(9, kDebugLevelMain, "KyraEngine_MR::lineIsPassable(%d, %d)", x, y);
+	static const uint8 widthTable[] = { 1, 1, 1, 1, 1, 2, 4, 6, 8 };
+
+	if ((_pathfinderFlag & 2) && x >= 320)
+		return false;
+	if ((_pathfinderFlag & 4) && y >= 188)
+		return false;
+	if ((_pathfinderFlag & 8) && x < 0)
+		return false;
+	if (y > 187)
+		return false;
+
+	uint width = widthTable[getScale(x, y) >> 5];
+
+	if (y < 0)
+		y = 0;
+	x -= width >> 1;
+	if (x < 0)
+		x = 0;
+	int x2 = x + width;
+	if (x2 > 320)
+		x2 = 320;
+
+	for (; x < x2; ++x) {
+		if (y < _maskPageMinY || y > _maskPageMaxY)
+			return false;
+
+		if (!_screen->getShapeFlag1(x, y))
+			return false;
+	}
+
+	return true;
+}
+
+} // end of namespace Kyra