/* 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 "common/endian.h"
#include "common/file.h"

#include "gob/gob.h"
#include "gob/inter.h"
#include "gob/helper.h"
#include "gob/global.h"
#include "gob/util.h"
#include "gob/dataio.h"
#include "gob/draw.h"
#include "gob/game.h"
#include "gob/expression.h"
#include "gob/script.h"
#include "gob/resources.h"
#include "gob/hotspots.h"
#include "gob/goblin.h"
#include "gob/inter.h"
#include "gob/map.h"
#include "gob/mult.h"
#include "gob/palanim.h"
#include "gob/scenery.h"
#include "gob/video.h"
#include "gob/sound/sound.h"

namespace Gob {

#define OPCODEVER Inter_v1
#define OPCODEDRAW(i, x)  _opcodesDraw[i]._OPCODEDRAW(OPCODEVER, x)
#define OPCODEFUNC(i, x)  _opcodesFunc[i]._OPCODEFUNC(OPCODEVER, x)
#define OPCODEGOB(i, x)   _opcodesGob[i]._OPCODEGOB(OPCODEVER, x)

Inter_v1::Inter_v1(GobEngine *vm) : Inter(vm) {
}

void Inter_v1::setupOpcodesDraw() {
	OPCODEDRAW(0x00, o1_loadMult);
	OPCODEDRAW(0x01, o1_playMult);
	OPCODEDRAW(0x02, o1_freeMultKeys);

	OPCODEDRAW(0x07, o1_initCursor);

	OPCODEDRAW(0x08, o1_initCursorAnim);
	OPCODEDRAW(0x09, o1_clearCursorAnim);
	OPCODEDRAW(0x0A, o1_setRenderFlags);

	OPCODEDRAW(0x10, o1_loadAnim);
	OPCODEDRAW(0x11, o1_freeAnim);
	OPCODEDRAW(0x12, o1_updateAnim);

	OPCODEDRAW(0x14, o1_initMult);
	OPCODEDRAW(0x15, o1_freeMult);
	OPCODEDRAW(0x16, o1_animate);
	OPCODEDRAW(0x17, o1_loadMultObject);

	OPCODEDRAW(0x18, o1_getAnimLayerInfo);
	OPCODEDRAW(0x19, o1_getObjAnimSize);
	OPCODEDRAW(0x1A, o1_loadStatic);
	OPCODEDRAW(0x1B, o1_freeStatic);

	OPCODEDRAW(0x1C, o1_renderStatic);
	OPCODEDRAW(0x1D, o1_loadCurLayer);

	OPCODEDRAW(0x20, o1_playCDTrack);
	OPCODEDRAW(0x21, o1_getCDTrackPos);
	OPCODEDRAW(0x22, o1_stopCD);

	OPCODEDRAW(0x30, o1_loadFontToSprite);
	OPCODEDRAW(0x31, o1_freeFontToSprite);
}

void Inter_v1::setupOpcodesFunc() {
	OPCODEFUNC(0x00, o1_callSub);
	OPCODEFUNC(0x01, o1_callSub);
	OPCODEFUNC(0x02, o1_printTotText);
	OPCODEFUNC(0x03, o1_loadCursor);

	OPCODEFUNC(0x05, o1_switch);
	OPCODEFUNC(0x06, o1_repeatUntil);
	OPCODEFUNC(0x07, o1_whileDo);

	OPCODEFUNC(0x08, o1_if);
	OPCODEFUNC(0x09, o1_assign);
	OPCODEFUNC(0x0A, o1_loadSpriteToPos);
	OPCODEFUNC(0x11, o1_printText);
	OPCODEFUNC(0x12, o1_loadTot);
	OPCODEFUNC(0x13, o1_palLoad);

	OPCODEFUNC(0x14, o1_keyFunc);
	OPCODEFUNC(0x15, o1_capturePush);
	OPCODEFUNC(0x16, o1_capturePop);
	OPCODEFUNC(0x17, o1_animPalInit);

	OPCODEFUNC(0x1E, o1_drawOperations);
	OPCODEFUNC(0x1F, o1_setcmdCount);

	OPCODEFUNC(0x20, o1_return);
	OPCODEFUNC(0x21, o1_renewTimeInVars);
	OPCODEFUNC(0x22, o1_speakerOn);
	OPCODEFUNC(0x23, o1_speakerOff);

	OPCODEFUNC(0x24, o1_putPixel);
	OPCODEFUNC(0x25, o1_goblinFunc);
	OPCODEFUNC(0x26, o1_createSprite);
	OPCODEFUNC(0x27, o1_freeSprite);

	OPCODEFUNC(0x30, o1_returnTo);
	OPCODEFUNC(0x31, o1_loadSpriteContent);
	OPCODEFUNC(0x32, o1_copySprite);
	OPCODEFUNC(0x33, o1_fillRect);

	OPCODEFUNC(0x34, o1_drawLine);
	OPCODEFUNC(0x35, o1_strToLong);
	OPCODEFUNC(0x36, o1_invalidate);
	OPCODEFUNC(0x37, o1_setBackDelta);

	OPCODEFUNC(0x38, o1_playSound);
	OPCODEFUNC(0x39, o1_stopSound);
	OPCODEFUNC(0x3A, o1_loadSound);
	OPCODEFUNC(0x3B, o1_freeSoundSlot);

	OPCODEFUNC(0x3C, o1_waitEndPlay);
	OPCODEFUNC(0x3D, o1_playComposition);
	OPCODEFUNC(0x3E, o1_getFreeMem);
	OPCODEFUNC(0x3F, o1_checkData);

	OPCODEFUNC(0x41, o1_cleanupStr);
	OPCODEFUNC(0x42, o1_insertStr);
	OPCODEFUNC(0x43, o1_cutStr);

	OPCODEFUNC(0x44, o1_strstr);
	OPCODEFUNC(0x45, o1_istrlen);
	OPCODEFUNC(0x46, o1_setMousePos);
	OPCODEFUNC(0x47, o1_setFrameRate);

	OPCODEFUNC(0x48, o1_animatePalette);
	OPCODEFUNC(0x49, o1_animateCursor);
	OPCODEFUNC(0x4A, o1_blitCursor);
	OPCODEFUNC(0x4B, o1_loadFont);

	OPCODEFUNC(0x4C, o1_freeFont);
	OPCODEFUNC(0x4D, o1_readData);
	OPCODEFUNC(0x4E, o1_writeData);
	OPCODEFUNC(0x4F, o1_manageDataFile);
}

void Inter_v1::setupOpcodesGob() {
	OPCODEGOB(   1, o1_setState);
	OPCODEGOB(   2, o1_setCurFrame);
	OPCODEGOB(   3, o1_setNextState);
	OPCODEGOB(   4, o1_setMultState);
	OPCODEGOB(   5, o1_setOrder);
	OPCODEGOB(   6, o1_setActionStartState);
	OPCODEGOB(   7, o1_setCurLookDir);
	OPCODEGOB(   8, o1_setType);
	OPCODEGOB(   9, o1_setNoTick);
	OPCODEGOB(  10, o1_setPickable);
	OPCODEGOB(  12, o1_setXPos);
	OPCODEGOB(  13, o1_setYPos);
	OPCODEGOB(  14, o1_setDoAnim);
	OPCODEGOB(  15, o1_setRelaxTime);
	OPCODEGOB(  16, o1_setMaxTick);
	OPCODEGOB(  21, o1_getState);
	OPCODEGOB(  22, o1_getCurFrame);
	OPCODEGOB(  23, o1_getNextState);
	OPCODEGOB(  24, o1_getMultState);
	OPCODEGOB(  25, o1_getOrder);
	OPCODEGOB(  26, o1_getActionStartState);
	OPCODEGOB(  27, o1_getCurLookDir);
	OPCODEGOB(  28, o1_getType);
	OPCODEGOB(  29, o1_getNoTick);
	OPCODEGOB(  30, o1_getPickable);
	OPCODEGOB(  32, o1_getObjMaxFrame);
	OPCODEGOB(  33, o1_getXPos);
	OPCODEGOB(  34, o1_getYPos);
	OPCODEGOB(  35, o1_getDoAnim);
	OPCODEGOB(  36, o1_getRelaxTime);
	OPCODEGOB(  37, o1_getMaxTick);
	OPCODEGOB(  40, o1_manipulateMap);
	OPCODEGOB(  41, o1_getItem);
	OPCODEGOB(  42, o1_manipulateMapIndirect);
	OPCODEGOB(  43, o1_getItemIndirect);
	OPCODEGOB(  44, o1_setPassMap);
	OPCODEGOB(  50, o1_setGoblinPosH);
	OPCODEGOB(  52, o1_getGoblinPosXH);
	OPCODEGOB(  53, o1_getGoblinPosYH);
	OPCODEGOB( 150, o1_setGoblinMultState);
	OPCODEGOB( 152, o1_setGoblinUnk14);
	OPCODEGOB( 200, o1_setItemIdInPocket);
	OPCODEGOB( 201, o1_setItemIndInPocket);
	OPCODEGOB( 202, o1_getItemIdInPocket);
	OPCODEGOB( 203, o1_getItemIndInPocket);
	OPCODEGOB( 204, o1_setItemPos);
	OPCODEGOB( 250, o1_setGoblinPos);
	OPCODEGOB( 251, o1_setGoblinState);
	OPCODEGOB( 252, o1_setGoblinStateRedraw);
	OPCODEGOB( 500, o1_decRelaxTime);
	OPCODEGOB( 502, o1_getGoblinPosX);
	OPCODEGOB( 503, o1_getGoblinPosY);
	OPCODEGOB( 600, o1_clearPathExistence);
	OPCODEGOB( 601, o1_setGoblinVisible);
	OPCODEGOB( 602, o1_setGoblinInvisible);
	OPCODEGOB( 603, o1_getObjectIntersect);
	OPCODEGOB( 604, o1_getGoblinIntersect);
	OPCODEGOB( 605, o1_setItemPos);
	OPCODEGOB(1000, o1_loadObjects);
	OPCODEGOB(1001, o1_freeObjects);
	OPCODEGOB(1002, o1_animateObjects);
	OPCODEGOB(1003, o1_drawObjects);
	OPCODEGOB(1004, o1_loadMap);
	OPCODEGOB(1005, o1_moveGoblin);
	OPCODEGOB(1006, o1_switchGoblin);
	OPCODEGOB(1008, o1_loadGoblin);
	OPCODEGOB(1009, o1_writeTreatItem);
	OPCODEGOB(1010, o1_moveGoblin0);
	OPCODEGOB(1011, o1_setGoblinTarget);
	OPCODEGOB(1015, o1_setGoblinObjectsPos);
	OPCODEGOB(2005, o1_initGoblin);
}

void Inter_v1::checkSwitchTable(uint32 &offset) {
	int16 len;
	int32 value;
	bool found;
	bool notFound;

	found = false;
	notFound = true;
	offset = 0;
	value = VAR_OFFSET(_vm->_game->_script->readVarIndex());

	len = _vm->_game->_script->readInt8();
	while (len != -5) {
		for (int i = 0; i < len; i++) {
			_vm->_game->_script->evalExpr(0);

			if (_terminate)
				return;

			if (_vm->_game->_script->getResultInt() == value) {
				found = true;
				notFound = false;
			}
		}

		if (found)
			offset = _vm->_game->_script->pos();

		_vm->_game->_script->skip(_vm->_game->_script->peekUint16(2) + 2);
		found = false;
		len = _vm->_game->_script->readInt8();
	}

	if ((_vm->_game->_script->peekByte() >> 4) != 4)
		return;

	_vm->_game->_script->skip(1);
	if (notFound)
		offset = _vm->_game->_script->pos();

	_vm->_game->_script->skip(_vm->_game->_script->peekUint16(2) + 2);
}

void Inter_v1::o1_loadMult() {
	_vm->_mult->loadMult(_vm->_game->_script->readInt16());
}

void Inter_v1::o1_playMult() {
	int16 checkEscape;

	checkEscape = _vm->_game->_script->readInt16();
	_vm->_mult->playMult(VAR(57), -1, checkEscape, 0);
}

void Inter_v1::o1_freeMultKeys() {
	_vm->_game->_script->readInt16();
	_vm->_mult->freeMultKeys();
}

void Inter_v1::o1_initCursor() {
	int16 width;
	int16 height;
	int16 count;

	_vm->_draw->_cursorHotspotXVar = ((uint16) _vm->_game->_script->readVarIndex()) / 4;
	_vm->_draw->_cursorHotspotYVar = ((uint16) _vm->_game->_script->readVarIndex()) / 4;

	width = _vm->_game->_script->readInt16();
	if (width < 16)
		width = 16;

	height = _vm->_game->_script->readInt16();
	if (height < 16)
		height = 16;

	_vm->_draw->adjustCoords(0, &width, &height);

	count = _vm->_game->_script->readInt16();

	if (count < 2)
		count = 2;

	if ((width != _vm->_draw->_cursorWidth) ||
			(height != _vm->_draw->_cursorHeight) ||
	    (_vm->_draw->_cursorSprites->getWidth() != (width * count))) {

		_vm->_draw->freeSprite(23);
		_vm->_draw->_cursorSprites.reset();
		_vm->_draw->_cursorSpritesBack.reset();
		_vm->_draw->_scummvmCursor.reset();

		_vm->_draw->_cursorWidth = width;
		_vm->_draw->_cursorHeight = height;

		if (count < 0x80)
			_vm->_draw->_transparentCursor = 1;
		else
			_vm->_draw->_transparentCursor = 0;

		if (count > 0x80)
			count -= 0x80;

		_vm->_draw->initSpriteSurf(23, _vm->_draw->_cursorWidth * count,
				_vm->_draw->_cursorHeight, 2);
		_vm->_draw->_cursorSpritesBack = _vm->_draw->_spritesArray[23];
		_vm->_draw->_cursorSprites = _vm->_draw->_cursorSpritesBack;

		_vm->_draw->_scummvmCursor =
			_vm->_video->initSurfDesc(_vm->_global->_videoMode,
					_vm->_draw->_cursorWidth, _vm->_draw->_cursorHeight,
					SCUMMVM_CURSOR);

		for (int i = 0; i < 40; i++) {
			_vm->_draw->_cursorAnimLow[i] = -1;
			_vm->_draw->_cursorAnimDelays[i] = 0;
			_vm->_draw->_cursorAnimHigh[i] = 0;
		}
		_vm->_draw->_cursorAnimLow[1] = 0;
	}
}

void Inter_v1::o1_initCursorAnim() {
	int16 ind;

	_vm->_draw->_showCursor = 3;
	ind = _vm->_game->_script->readValExpr();
	_vm->_draw->_cursorAnimLow[ind] = _vm->_game->_script->readInt16();
	_vm->_draw->_cursorAnimHigh[ind] = _vm->_game->_script->readInt16();
	_vm->_draw->_cursorAnimDelays[ind] = _vm->_game->_script->readInt16();
}

void Inter_v1::o1_clearCursorAnim() {
	int16 ind;

	_vm->_draw->_showCursor = 0;
	ind = _vm->_game->_script->readValExpr();
	_vm->_draw->_cursorAnimLow[ind] = -1;
	_vm->_draw->_cursorAnimHigh[ind] = 0;
	_vm->_draw->_cursorAnimDelays[ind] = 0;
}

void Inter_v1::o1_setRenderFlags() {
	_vm->_draw->_renderFlags = _vm->_game->_script->readValExpr();
}

void Inter_v1::o1_loadAnim() {
	_vm->_scenery->loadAnim(0);
}

void Inter_v1::o1_freeAnim() {
	_vm->_scenery->freeAnim(-1);
}

void Inter_v1::o1_updateAnim() {
	int16 deltaX;
	int16 deltaY;
	int16 flags;
	int16 frame;
	int16 layer;
	int16 animation;

	_vm->_game->_script->evalExpr(&deltaX);
	_vm->_game->_script->evalExpr(&deltaY);
	_vm->_game->_script->evalExpr(&animation);
	_vm->_game->_script->evalExpr(&layer);
	_vm->_game->_script->evalExpr(&frame);
	flags = _vm->_game->_script->readInt16();
	_vm->_scenery->updateAnim(layer, frame, animation, flags,
			deltaX, deltaY, 1);
}

void Inter_v1::o1_initMult() {
	int16 oldAnimHeight;
	int16 oldAnimWidth;
	int16 oldObjCount;
	int16 posXVar;
	int16 posYVar;
	int16 animDataVar;

	oldAnimWidth = _vm->_mult->_animWidth;
	oldAnimHeight = _vm->_mult->_animHeight;
	oldObjCount = _vm->_mult->_objCount;

	_vm->_mult->_animLeft = _vm->_game->_script->readInt16();
	_vm->_mult->_animTop = _vm->_game->_script->readInt16();
	_vm->_mult->_animWidth = _vm->_game->_script->readInt16();
	_vm->_mult->_animHeight = _vm->_game->_script->readInt16();
	_vm->_mult->_objCount = _vm->_game->_script->readInt16();
	posXVar = _vm->_game->_script->readVarIndex();
	posYVar = _vm->_game->_script->readVarIndex();
	animDataVar = _vm->_game->_script->readVarIndex();

	if (_vm->_mult->_objects && (oldObjCount != _vm->_mult->_objCount)) {

		warning("Initializing new objects without having "
				"cleaned up the old ones at first");

		for (int i = 0; i < _vm->_mult->_objCount; i++) {
			delete _vm->_mult->_objects[i].pPosX;
			delete _vm->_mult->_objects[i].pPosY;
		}

		delete[] _vm->_mult->_objects;
		delete[] _vm->_mult->_renderData;

		_vm->_mult->_objects = 0;
		_vm->_mult->_renderObjs = 0;

	}

	if (_vm->_mult->_objects == 0) {
		_vm->_mult->_renderData = new int16[_vm->_mult->_objCount * 9];
		memset(_vm->_mult->_renderData, 0,
				_vm->_mult->_objCount * 9 * sizeof(int16));
		_vm->_mult->_objects = new Mult::Mult_Object[_vm->_mult->_objCount];
		memset(_vm->_mult->_objects, 0,
				_vm->_mult->_objCount * sizeof(Mult::Mult_Object));

		for (int i = 0; i < _vm->_mult->_objCount; i++) {
			uint32 offPosX = i * 4 + (posXVar / 4) * 4;
			uint32 offPosY = i * 4 + (posYVar / 4) * 4;
			uint32 offAnim = animDataVar + i * 4 * _vm->_global->_inter_animDataSize;

			_vm->_mult->_objects[i].pPosX = new VariableReference(*_variables, offPosX);
			_vm->_mult->_objects[i].pPosY = new VariableReference(*_variables, offPosY);

			_vm->_mult->_objects[i].pAnimData =
				(Mult::Mult_AnimData *) _variables->getAddressOff8(offAnim);

			_vm->_mult->_objects[i].pAnimData->isStatic = 1;
			_vm->_mult->_objects[i].tick = 0;
			_vm->_mult->_objects[i].lastLeft = -1;
			_vm->_mult->_objects[i].lastRight = -1;
			_vm->_mult->_objects[i].lastTop = -1;
			_vm->_mult->_objects[i].lastBottom = -1;
		}
	}

	if (_vm->_mult->_animSurf &&
	    ((oldAnimWidth != _vm->_mult->_animWidth) ||
			 (oldAnimHeight != _vm->_mult->_animHeight))) {
		_vm->_draw->freeSprite(22);
		_vm->_mult->_animSurf.reset();
	}

	if (!_vm->_mult->_animSurf) {
		_vm->_draw->initSpriteSurf(22, _vm->_mult->_animWidth,
				_vm->_mult->_animHeight, 0);
		_vm->_mult->_animSurf = _vm->_draw->_spritesArray[22];
	}

	_vm->_video->drawSprite(*_vm->_draw->_backSurface, *_vm->_mult->_animSurf,
	    _vm->_mult->_animLeft, _vm->_mult->_animTop,
	    _vm->_mult->_animLeft + _vm->_mult->_animWidth - 1,
	    _vm->_mult->_animTop + _vm->_mult->_animHeight - 1, 0, 0, 0);

	debugC(4, kDebugGraphics, "o1_initMult: x = %d, y = %d, w = %d, h = %d",
		  _vm->_mult->_animLeft, _vm->_mult->_animTop,
			_vm->_mult->_animWidth, _vm->_mult->_animHeight);
	debugC(4, kDebugGraphics, "    _vm->_mult->_objCount = %d, "
			"animation data size = %d", _vm->_mult->_objCount,
			_vm->_global->_inter_animDataSize);
}

void Inter_v1::o1_freeMult() {
	_vm->_mult->freeMult();
}

void Inter_v1::o1_animate() {
	_vm->_mult->animate();
}

void Inter_v1::o1_loadMultObject() {
	int16 val;
	int16 objIndex;
	byte *multData;

	_vm->_game->_script->evalExpr(&objIndex);
	_vm->_game->_script->evalExpr(&val);
	*_vm->_mult->_objects[objIndex].pPosX = val;
	_vm->_game->_script->evalExpr(&val);
	*_vm->_mult->_objects[objIndex].pPosY = val;

	debugC(4, kDebugGameFlow, "Loading mult object %d", objIndex);

	multData = (byte *) _vm->_mult->_objects[objIndex].pAnimData;
	for (int i = 0; i < 11; i++) {
		if (_vm->_game->_script->peekUint16() != 99) {
			_vm->_game->_script->evalExpr(&val);
			multData[i] = val;
		} else
			_vm->_game->_script->skip(1);
	}
}

void Inter_v1::o1_getAnimLayerInfo() {
	int16 anim;
	int16 layer;
	int16 varDX, varDY;
	int16 varUnk0;
	int16 varFrames;

	_vm->_game->_script->evalExpr(&anim);
	_vm->_game->_script->evalExpr(&layer);

	varDX = _vm->_game->_script->readVarIndex();
	varDY = _vm->_game->_script->readVarIndex();
	varUnk0 = _vm->_game->_script->readVarIndex();
	varFrames = _vm->_game->_script->readVarIndex();

	_vm->_scenery->writeAnimLayerInfo(anim, layer,
			varDX, varDY, varUnk0, varFrames);
}

void Inter_v1::o1_getObjAnimSize() {
	int16 objIndex;

	_vm->_game->_script->evalExpr(&objIndex);

	uint16 varLeft   = _vm->_game->_script->readVarIndex();
	uint16 varTop    = _vm->_game->_script->readVarIndex();
	uint16 varRight  = _vm->_game->_script->readVarIndex();
	uint16 varBottom = _vm->_game->_script->readVarIndex();

	if ((objIndex < 0) || (objIndex >= _vm->_mult->_objCount)) {
		warning("o1_getObjAnimSize(): objIndex = %d (%d)", objIndex, _vm->_mult->_objCount);
		_vm->_scenery->_toRedrawLeft   = 0;
		_vm->_scenery->_toRedrawTop    = 0;
		_vm->_scenery->_toRedrawRight  = 0;
		_vm->_scenery->_toRedrawBottom = 0;
	} else {
		Mult::Mult_AnimData &animData = *(_vm->_mult->_objects[objIndex].pAnimData);
		if (animData.isStatic == 0)
			_vm->_scenery->updateAnim(animData.layer, animData.frame,
					animData.animation, 0, *(_vm->_mult->_objects[objIndex].pPosX),
					*(_vm->_mult->_objects[objIndex].pPosY), 0);

		_vm->_scenery->_toRedrawLeft = MAX<int16>(_vm->_scenery->_toRedrawLeft, 0);
		_vm->_scenery->_toRedrawTop  = MAX<int16>(_vm->_scenery->_toRedrawTop , 0);
	}

	WRITE_VAR_OFFSET(varLeft  , _vm->_scenery->_toRedrawLeft);
	WRITE_VAR_OFFSET(varTop   , _vm->_scenery->_toRedrawTop);
	WRITE_VAR_OFFSET(varRight , _vm->_scenery->_toRedrawRight);
	WRITE_VAR_OFFSET(varBottom, _vm->_scenery->_toRedrawBottom);
}

void Inter_v1::o1_loadStatic() {
	_vm->_scenery->loadStatic(0);
}

void Inter_v1::o1_freeStatic() {
	_vm->_scenery->freeStatic(-1);
}

void Inter_v1::o1_renderStatic() {
	int16 layer;
	int16 index;

	_vm->_game->_script->evalExpr(&index);
	_vm->_game->_script->evalExpr(&layer);
	_vm->_scenery->renderStatic(index, layer);
}

void Inter_v1::o1_loadCurLayer() {
	_vm->_game->_script->evalExpr(&_vm->_scenery->_curStatic);
	_vm->_game->_script->evalExpr(&_vm->_scenery->_curStaticLayer);
}

void Inter_v1::o1_playCDTrack() {
	_vm->_game->_script->evalExpr(0);
	_vm->_sound->adlibPlayBgMusic(); // Mac version
	_vm->_sound->cdPlay(_vm->_game->_script->getResultStr()); // PC CD version
}

void Inter_v1::o1_getCDTrackPos() {
	// Used in gob1 CD

	// Some scripts busy-wait while calling this opcode.
	// This is a very nasty thing to do, so let's add a
	// short delay here. It's probably a safe thing to do.

	_vm->_util->longDelay(1);

	int pos = _vm->_sound->cdGetTrackPos();
	if (pos == -1)
		pos = 32767;
	WRITE_VAR(5, pos);
}

void Inter_v1::o1_stopCD() {
	_vm->_sound->adlibStop(); // Mac version
	_vm->_sound->cdStop(); // PC CD version
}

void Inter_v1::o1_loadFontToSprite() {
	int16 i = _vm->_game->_script->readInt16();
	_vm->_draw->_fontToSprite[i].sprite = _vm->_game->_script->readInt16();
	_vm->_draw->_fontToSprite[i].base = _vm->_game->_script->readInt16();
	_vm->_draw->_fontToSprite[i].width = _vm->_game->_script->readInt16();
	_vm->_draw->_fontToSprite[i].height = _vm->_game->_script->readInt16();
}

void Inter_v1::o1_freeFontToSprite() {
	int16 i = _vm->_game->_script->readInt16();
	_vm->_draw->_fontToSprite[i].sprite = -1;
	_vm->_draw->_fontToSprite[i].base = -1;
	_vm->_draw->_fontToSprite[i].width = -1;
	_vm->_draw->_fontToSprite[i].height = -1;
}

bool Inter_v1::o1_callSub(OpFuncParams &params) {
	uint16 offset = _vm->_game->_script->readUint16();

	debugC(5, kDebugGameFlow, "tot = \"%s\", offset = %d",
			_vm->_game->_curTotFile, offset);

	if (offset < 128) {
		warning("Inter_v1::o1_callSub(): Offset %d points into the header. "
				"Skipping call", offset);
		return false;
	}

	// Skipping the copy protection screen in Gobliiins
	if (!_vm->_copyProtection && (_vm->getGameType() == kGameTypeGob1) && (offset == 3905)
			&& !scumm_stricmp(_vm->_game->_curTotFile, _vm->_startTot.c_str())) {
		debugC(2, kDebugGameFlow, "Skipping copy protection screen");
		return false;
	}
	// Skipping the copy protection screen in Gobliins 2
	if (!_vm->_copyProtection && (_vm->getGameType() == kGameTypeGob2) && (offset == 1746)
			&& !scumm_stricmp(_vm->_game->_curTotFile, "intro0.tot")) {
		debugC(2, kDebugGameFlow, "Skipping copy protection screen");
		return false;
	}

	_vm->_game->_script->call(offset);

	if ((params.counter == params.cmdCount) && (params.retFlag == 2)) {
		_vm->_game->_script->pop(false);
		return true;
	}

	callSub(2);

	_vm->_game->_script->pop();

	return false;
}

bool Inter_v1::o1_printTotText(OpFuncParams &params) {
	_vm->_draw->printTotText(_vm->_game->_script->readInt16());
	return false;
}

bool Inter_v1::o1_loadCursor(OpFuncParams &params) {
	int16 id    = _vm->_game->_script->readInt16();
	int8  index = _vm->_game->_script->readInt8();

	if ((index * _vm->_draw->_cursorWidth) >= _vm->_draw->_cursorSprites->getWidth())
		return false;

	Resource *resource = _vm->_game->_resources->getResource(id);
	if (!resource)
		return false;

	_vm->_video->fillRect(*_vm->_draw->_cursorSprites,
			index * _vm->_draw->_cursorWidth, 0,
			index * _vm->_draw->_cursorWidth + _vm->_draw->_cursorWidth - 1,
			_vm->_draw->_cursorHeight - 1, 0);

	_vm->_video->drawPackedSprite(resource->getData(),
			resource->getWidth(), resource->getHeight(),
			index * _vm->_draw->_cursorWidth, 0, 0, *_vm->_draw->_cursorSprites);
	_vm->_draw->_cursorAnimLow[index] = 0;

	delete resource;
	return false;
}

bool Inter_v1::o1_switch (OpFuncParams &params) {
	uint32 offset;

	checkSwitchTable(offset);

	_vm->_game->_script->call(offset);

	if (offset == 0)
		_vm->_game->_script->setFinished(true);

	if ((params.counter == params.cmdCount) && (params.retFlag == 2)) {
		_vm->_game->_script->pop(false);
		return true;
	}

	funcBlock(0);

	_vm->_game->_script->pop();

	return false;
}

bool Inter_v1::o1_repeatUntil(OpFuncParams &params) {
	int16 size;
	bool flag;

	_nestLevel[0]++;

	uint32 blockPos = _vm->_game->_script->pos();

	do {
		_vm->_game->_script->seek(blockPos);
		size = _vm->_game->_script->peekUint16(2) + 2;

		funcBlock(1);

		_vm->_game->_script->seek(blockPos + size + 1);

		flag = _vm->_game->_script->evalBoolResult();
	} while (!flag && !_break && !_terminate && !_vm->shouldQuit());

	_nestLevel[0]--;

	if (*_breakFromLevel > -1) {
		_break = false;
		*_breakFromLevel = -1;
	}
	return false;
}

bool Inter_v1::o1_whileDo(OpFuncParams &params) {
	bool flag;
	int16 size;

	_nestLevel[0]++;
	do {
		uint32 startPos = _vm->_game->_script->pos();

		flag = _vm->_game->_script->evalBoolResult();

		if (_terminate)
			return false;

		uint32 blockPos = _vm->_game->_script->pos();

		size = _vm->_game->_script->peekUint16(2) + 2;

		if (flag) {
			funcBlock(1);
			_vm->_game->_script->seek(startPos);
		} else
			_vm->_game->_script->skip(size);

		if (_break || _terminate || _vm->shouldQuit()) {
			_vm->_game->_script->seek(blockPos);
			_vm->_game->_script->skip(size);
			break;
		}
	} while (flag);

	_nestLevel[0]--;
	if (*_breakFromLevel > -1) {
		_break = false;
		*_breakFromLevel = -1;
	}
	return false;
}

bool Inter_v1::o1_if(OpFuncParams &params) {
	byte cmd;
	bool boolRes;

	boolRes = _vm->_game->_script->evalBoolResult();
	if (boolRes) {
		if ((params.counter == params.cmdCount) && (params.retFlag == 2))
			return true;

		_vm->_game->_script->push();
		funcBlock(0);
		_vm->_game->_script->pop();

		_vm->_game->_script->skip(_vm->_game->_script->peekUint16(2) + 2);

		debugC(5, kDebugGameFlow, "cmd = %d", (int16) _vm->_game->_script->peekByte());

		cmd = _vm->_game->_script->readByte() >> 4;
		if (cmd != 12)
			return false;

		_vm->_game->_script->skip(_vm->_game->_script->peekUint16(2) + 2);
	} else {
		_vm->_game->_script->skip(_vm->_game->_script->peekUint16(2) + 2);

		debugC(5, kDebugGameFlow, "cmd = %d", (int16) _vm->_game->_script->peekByte());

		cmd = _vm->_game->_script->readByte() >> 4;
		if (cmd != 12)
			return false;

		if ((params.counter == params.cmdCount) && (params.retFlag == 2))
			return true;

		_vm->_game->_script->push();
		funcBlock(0);
		_vm->_game->_script->pop();

		_vm->_game->_script->skip(_vm->_game->_script->peekUint16(2) + 2);
	}
	return false;
}

bool Inter_v1::o1_assign(OpFuncParams &params) {
	byte destType = _vm->_game->_script->peekByte();
	int16 dest = _vm->_game->_script->readVarIndex();

	int16 result;
	int16 srcType = _vm->_game->_script->evalExpr(&result);

	switch (destType) {
	case TYPE_VAR_INT32:
	case TYPE_ARRAY_INT32:
		WRITE_VAR_OFFSET(dest, _vm->_game->_script->getResultInt());
		break;

	case TYPE_VAR_STR:
	case TYPE_ARRAY_STR:
		if (srcType == TYPE_IMM_INT16)
			WRITE_VARO_UINT8(dest, result);
		else
			WRITE_VARO_STR(dest, _vm->_game->_script->getResultStr());
		break;

	}
	return false;
}

bool Inter_v1::o1_loadSpriteToPos(OpFuncParams &params) {
	_vm->_draw->_spriteLeft = _vm->_game->_script->readInt16();

	_vm->_draw->_destSpriteX = _vm->_game->_script->readValExpr();

	// WORKAROUND: The EGA version of Gobliiins 1 has an invalid expression there
	if (_vm->isEGA() && (_vm->_game->_script->pos() == 1398) &&
			!scumm_stricmp(_vm->_game->_curTotFile, "intro.tot")) {

		_vm->_draw->_destSpriteY = 0;
		_vm->_game->_script->skip(1);

	} else
		_vm->_draw->_destSpriteY = _vm->_game->_script->readValExpr();

	_vm->_draw->_transparency = _vm->_game->_script->peekByte() & 1;
	_vm->_draw->_destSurface = ((int16) (_vm->_game->_script->peekByte() >> 1)) - 1;
	if (_vm->_draw->_destSurface < 0)
		_vm->_draw->_destSurface = 101;

	_vm->_game->_script->skip(2);

	_vm->_draw->spriteOperation(DRAW_LOADSPRITE);

	return false;
}

bool Inter_v1::o1_printText(OpFuncParams &params) {
	char buf[60];
	int i;

	_vm->_draw->_destSpriteX = _vm->_game->_script->readValExpr();
	_vm->_draw->_destSpriteY = _vm->_game->_script->readValExpr();

	_vm->_draw->_backColor = _vm->_game->_script->readValExpr();
	_vm->_draw->_frontColor = _vm->_game->_script->readValExpr();
	_vm->_draw->_fontIndex = _vm->_game->_script->readValExpr();
	_vm->_draw->_destSurface = 21;
	_vm->_draw->_textToPrint = buf;
	_vm->_draw->_transparency = 0;

	if (_vm->_draw->_backColor >= 16) {
		_vm->_draw->_backColor = 0;
		_vm->_draw->_transparency = 1;
	}

	do {
		for (i = 0; ((_vm->_game->_script->peekChar()) != '.') &&
				(_vm->_game->_script->peekByte() != 200);
				i++, _vm->_game->_script->skip(1)) {
			buf[i] = _vm->_game->_script->peekChar();
		}

		if (_vm->_game->_script->peekByte() != 200) {
			_vm->_game->_script->skip(1);
			switch (_vm->_game->_script->peekByte()) {
			case TYPE_VAR_INT32:
			case TYPE_ARRAY_INT32:
				sprintf(buf + i, "%d",
					VAR_OFFSET(_vm->_game->_script->readVarIndex()));
				break;

			case TYPE_VAR_STR:
			case TYPE_ARRAY_STR:
				sprintf(buf + i, "%s",
					GET_VARO_STR(_vm->_game->_script->readVarIndex()));
				break;
			}
			_vm->_game->_script->skip(1);
		} else
			buf[i] = 0;

		_vm->_draw->spriteOperation(DRAW_PRINTTEXT);
	} while (_vm->_game->_script->peekByte() != 200);

	_vm->_game->_script->skip(1);

	return false;
}

bool Inter_v1::o1_loadTot(OpFuncParams &params) {
	char buf[20];
	int8 size;

	if ((_vm->_game->_script->peekByte() & 0x80) != 0) {
		_vm->_game->_script->skip(1);
		_vm->_game->_script->evalExpr(0);
		strncpy0(buf, _vm->_game->_script->getResultStr(), 15);
	} else {
		size = _vm->_game->_script->readInt8();
		memcpy(buf, _vm->_game->_script->readString(size), size);
		buf[size] = '\0';
	}

//	if (_vm->getGameType() == kGameTypeGeisha)
//		strcat(buf, ".0ot");
//	else
	strcat(buf, ".tot");

	if (_terminate != 2)
		_terminate = 1;
	strcpy(_vm->_game->_totToLoad, buf);

	return false;
}

bool Inter_v1::o1_palLoad(OpFuncParams &params) {
	int index1, index2;
	int16 id;
	byte cmd;
	Resource *resource;

	cmd = _vm->_game->_script->readByte();
	switch (cmd & 0x7F) {
	case 48:
		if ((_vm->_global->_fakeVideoMode < 0x32) ||
				(_vm->_global->_fakeVideoMode > 0x63)) {
			_vm->_game->_script->skip(48);
			return false;
		}
		break;

	case 49:
		if ((_vm->_global->_fakeVideoMode != 5) &&
				(_vm->_global->_fakeVideoMode != 7)) {
			_vm->_game->_script->skip(18);
			return false;
		}
		break;

	case 50:
		if (_vm->_global->_colorCount == 256) {
			_vm->_game->_script->skip(16);
			return false;
		}
		break;

	case 51:
		if (_vm->_global->_fakeVideoMode < 0x64) {
			_vm->_game->_script->skip(2);
			return false;
		}
		break;

	case 52:
		if (_vm->_global->_colorCount == 256) {
			_vm->_game->_script->skip(48);
			return false;
		}
		break;

	case 53:
		if (_vm->_global->_colorCount != 256) {
			_vm->_game->_script->skip(2);
			return false;
		}
		break;

	case 54:
		if (_vm->_global->_fakeVideoMode < 0x13) {
			return false;
		}
		break;

	case 61:
		if (_vm->_global->_fakeVideoMode < 0x13) {
			_vm->_game->_script->skip(4);
			return false;
		}
		break;
	}

	if ((cmd & 0x7F) == 0x30) {
		_vm->_game->_script->skip(48);
		return false;
	}

	_vm->_draw->_applyPal = !(cmd & 0x80);
	cmd &= 0x7F;

	if (cmd == 49) {
		bool allZero = true;

		for (int i = 2; i < 18; i++) {
			if (_vm->_game->_script->peekByte(i) != 0) {
				allZero = false;
				break;
			}
		}
		if (!allZero) {
			_vm->_video->clearSurf(*_vm->_draw->_frontSurface);
			_vm->_draw->_noInvalidated57 = true;
			_vm->_game->_script->skip(48);
			return false;
		}
		_vm->_draw->_noInvalidated57 = false;

		for (int i = 0; i < 18; i++) {
			if (i < 2) {
				if (!_vm->_draw->_applyPal)
					continue;

				_vm->_draw->_unusedPalette1[i] = _vm->_game->_script->peekByte();
				continue;
			}

			index1 = _vm->_game->_script->peekByte() >> 4;
			index2 = _vm->_game->_script->peekByte() & 0xF;

			_vm->_draw->_unusedPalette1[i] =
				((_vm->_draw->_palLoadData1[index1] +
					_vm->_draw->_palLoadData2[index2]) << 8) +
				(_vm->_draw->_palLoadData2[index1] +
					_vm->_draw->_palLoadData1[index2]);

			_vm->_game->_script->skip(1);
		}

		_vm->_global->_pPaletteDesc->unused1 = _vm->_draw->_unusedPalette1;
		_vm->_video->setFullPalette(_vm->_global->_pPaletteDesc);
		return false;
	}

	switch (cmd) {
	case 50:
		for (int i = 0; i < 16; i++)
			_vm->_draw->_unusedPalette2[i] = _vm->_game->_script->readByte();
		break;

	case 52:
		for (int i = 0; i < 16; i++) {
			_vm->_draw->_vgaPalette[i].red   = _vm->_game->_script->readByte();
			_vm->_draw->_vgaPalette[i].green = _vm->_game->_script->readByte();
			_vm->_draw->_vgaPalette[i].blue  = _vm->_game->_script->readByte();
		}
		break;

	case 53:
		resource = _vm->_game->_resources->getResource(_vm->_game->_script->readInt16());
		if (!resource)
			break;

		memcpy((char *) _vm->_draw->_vgaPalette, resource->getData(), MIN<int>(768, resource->getSize()));
		delete resource;
		break;

	case 54:
		memset((char *) _vm->_draw->_vgaPalette, 0, 768);
		break;

	case 61:
		index1 =  _vm->_game->_script->readByte();
		index2 = (_vm->_game->_script->readByte() - index1 + 1) * 3;
		id     = _vm->_game->_script->readInt16();
		resource = _vm->_game->_resources->getResource(id);
		if (!resource)
			break;

		memcpy((char *) _vm->_draw->_vgaPalette + index1 * 3,
		       resource->getData() + index1 * 3, index2);
		delete resource;

		// WORKAROUND: The Last Dynasty overwrites the 0. palette entry but depends on it staying black.
		if ((_vm->getGameType() == kGameTypeDynasty) && (index1 == 0)) {
			_vm->_draw->_vgaPalette[0].red   = 0;
			_vm->_draw->_vgaPalette[0].green = 0;
			_vm->_draw->_vgaPalette[0].blue  = 0;
		}

		if (_vm->_draw->_applyPal) {
			_vm->_draw->_applyPal = false;
			_vm->_video->setFullPalette(_vm->_global->_pPaletteDesc);
			return false;
		}
		break;
	}

	if (!_vm->_draw->_applyPal) {
		_vm->_global->_pPaletteDesc->unused2 = _vm->_draw->_unusedPalette2;
		_vm->_global->_pPaletteDesc->unused1 = _vm->_draw->_unusedPalette1;

		if (_vm->_global->_videoMode < 0x13) {
			_vm->_global->_pPaletteDesc->vgaPal = _vm->_draw->_vgaPalette;
			_vm->_palAnim->fade(_vm->_global->_pPaletteDesc, 0, 0);
			return false;
		}
		if ((_vm->_global->_videoMode < 0x32) ||
				(_vm->_global->_videoMode >= 0x64)) {
			_vm->_global->_pPaletteDesc->vgaPal = _vm->_draw->_vgaPalette;
			_vm->_palAnim->fade(_vm->_global->_pPaletteDesc, 0, 0);
			return false;
		}
		_vm->_global->_pPaletteDesc->vgaPal = _vm->_draw->_vgaSmallPalette;
		_vm->_palAnim->fade(_vm->_global->_pPaletteDesc, 0, 0);
	}

	return false;
}

bool Inter_v1::o1_keyFunc(OpFuncParams &params) {
	static uint32 lastCalled = 0;
	int16 cmd;
	int16 key;
	uint32 now;

	cmd = _vm->_game->_script->readInt16();
	animPalette();
	_vm->_draw->blitInvalidated();

	now = _vm->_util->getTimeKey();
	if (!_noBusyWait)
		if ((now - lastCalled) <= 20)
			_vm->_util->longDelay(1);
	lastCalled = now;
	_noBusyWait = false;

	// WORKAROUND for bug #1726130: Ween busy-waits in the intro for a counter
	// to become 5000. We deliberately slow down busy-waiting, so we shorten
	// the counting, too.
	if ((_vm->getGameType() == kGameTypeWeen) && (VAR(59) < 4000) &&
	    (_vm->_game->_script->pos() == 729) &&
	    !scumm_stricmp(_vm->_game->_curTotFile, "intro5.tot"))
		WRITE_VAR(59, 4000);

	switch (cmd) {
	case 0:
		_vm->_draw->_showCursor &= ~2;
		_vm->_util->longDelay(1);
		key = _vm->_game->_hotspots->check(0, 0);
		storeKey(key);

		_vm->_util->clearKeyBuf();
		break;

	case 1:
		_vm->_util->forceMouseUp(true);
		key = _vm->_game->checkKeys(&_vm->_global->_inter_mouseX,
				&_vm->_global->_inter_mouseY, &_vm->_game->_mouseButtons, 0);
		storeKey(key);
		break;

	case 2:
		_vm->_util->processInput(true);
		key = _vm->_util->checkKey();

		WRITE_VAR(0, key);
		_vm->_util->clearKeyBuf();
		break;

	default:
		_vm->_sound->speakerOnUpdate(cmd);
		if (cmd < 20) {
			_vm->_util->delay(cmd);
			_noBusyWait = true;
		} else
			_vm->_util->longDelay(cmd);
		break;
	}

	return false;
}

bool Inter_v1::o1_capturePush(OpFuncParams &params) {
	int16 left, top;
	int16 width, height;

	left = _vm->_game->_script->readValExpr();
	top = _vm->_game->_script->readValExpr();
	width = _vm->_game->_script->readValExpr();
	height = _vm->_game->_script->readValExpr();

	if ((width < 0) || (height < 0))
		return false;

	_vm->_game->capturePush(left, top, width, height);
	(*_vm->_scenery->_pCaptureCounter)++;
	return false;
}

bool Inter_v1::o1_capturePop(OpFuncParams &params) {
	if (*_vm->_scenery->_pCaptureCounter != 0) {
		(*_vm->_scenery->_pCaptureCounter)--;
		_vm->_game->capturePop(1);
	}
	return false;
}

bool Inter_v1::o1_animPalInit(OpFuncParams &params) {
	_animPalDir[0] = _vm->_game->_script->readInt16();
	_animPalLowIndex[0] = _vm->_game->_script->readValExpr();
	_animPalHighIndex[0] = _vm->_game->_script->readValExpr();
	return false;
}

bool Inter_v1::o1_drawOperations(OpFuncParams &params) {
	byte cmd;

	cmd = _vm->_game->_script->readByte();

	executeOpcodeDraw(cmd);

	return false;
}

bool Inter_v1::o1_setcmdCount(OpFuncParams &params) {
	params.cmdCount = _vm->_game->_script->readByte();
	params.counter = 0;
	return false;
}

bool Inter_v1::o1_return(OpFuncParams &params) {
	if (params.retFlag != 2)
		_break = true;

	_vm->_game->_script->setFinished(true);
	return true;
}

bool Inter_v1::o1_renewTimeInVars(OpFuncParams &params) {
	renewTimeInVars();
	return false;
}

bool Inter_v1::o1_speakerOn(OpFuncParams &params) {
	_vm->_sound->speakerOn(_vm->_game->_script->readValExpr(), -1);
	return false;
}

bool Inter_v1::o1_speakerOff(OpFuncParams &params) {
	_vm->_sound->speakerOff();
	return false;
}

bool Inter_v1::o1_putPixel(OpFuncParams &params) {
	_vm->_draw->_destSurface = _vm->_game->_script->readInt16();

	_vm->_draw->_destSpriteX = _vm->_game->_script->readValExpr();
	_vm->_draw->_destSpriteY = _vm->_game->_script->readValExpr();
	_vm->_draw->_frontColor = _vm->_game->_script->readValExpr();
	_vm->_draw->spriteOperation(DRAW_PUTPIXEL);
	return false;
}

bool Inter_v1::o1_goblinFunc(OpFuncParams &params) {
	OpGobParams gobParams;
	bool objDescSet = false;
	int16 cmd;

	gobParams.extraData = 0;
	gobParams.objDesc = 0;
	gobParams.retVarPtr.set(*_variables, 236);

	cmd = _vm->_game->_script->readInt16();
	_vm->_game->_script->skip(2);
	if ((cmd > 0) && (cmd < 17)) {
		objDescSet = true;
		gobParams.extraData = _vm->_game->_script->readInt16();
		gobParams.objDesc = _vm->_goblin->_objects[gobParams.extraData];
		gobParams.extraData = _vm->_game->_script->readInt16();
	}

	if ((cmd > 90) && (cmd < 107)) {
		objDescSet = true;
		gobParams.extraData = _vm->_game->_script->readInt16();
		gobParams.objDesc = _vm->_goblin->_goblins[gobParams.extraData];
		gobParams.extraData = _vm->_game->_script->readInt16();
		cmd -= 90;
	}

	if ((cmd > 110) && (cmd < 128)) {
		objDescSet = true;
		gobParams.extraData = _vm->_game->_script->readInt16();
		gobParams.objDesc = _vm->_goblin->_goblins[gobParams.extraData];
		cmd -= 90;
	} else if ((cmd > 20) && (cmd < 38)) {
		objDescSet = true;
		gobParams.extraData = _vm->_game->_script->readInt16();
		gobParams.objDesc = _vm->_goblin->_objects[gobParams.extraData];
	}

/*
	NB: The original gobliiins engine did not initialize the gobParams.objDesc
	variable, so we manually check if gobParams.objDesc is properly set before
	checking if it is zero. If it was not set, we do not return. This
	fixes a crash in the EGA version if the life bar is depleted, because
	interFunc is called multiple times with cmd == 39.
	Bug #1324814
*/

	if ((cmd < 40) && objDescSet && !gobParams.objDesc)
		return false;

	executeOpcodeGob(cmd, gobParams);

	return false;
}

bool Inter_v1::o1_createSprite(OpFuncParams &params) {
	int16 index;
	int16 width, height;
	int16 flag;

	if (_vm->_game->_script->peekByte(1) == 0) {
		index = _vm->_game->_script->readInt16();
		width = _vm->_game->_script->readInt16();
		height = _vm->_game->_script->readInt16();
	} else {
		index = _vm->_game->_script->readValExpr();
		width = _vm->_game->_script->readValExpr();
		height = _vm->_game->_script->readValExpr();
	}

	flag = _vm->_game->_script->readInt16();
	_vm->_draw->initSpriteSurf(index, width, height, flag ? 2 : 0);

	return false;
}

bool Inter_v1::o1_freeSprite(OpFuncParams &params) {
	_vm->_draw->freeSprite(_vm->_game->_script->readInt16());
	return false;
}

bool Inter_v1::o1_returnTo(OpFuncParams &params) {
	if (params.retFlag == 1) {
		_break = true;
		_vm->_game->_script->setFinished(true);
		return true;
	}

	if (*_nestLevel == 0)
		return false;

	*_breakFromLevel = *_nestLevel;
	_break = true;
	_vm->_game->_script->setFinished(true);
	return true;
}

bool Inter_v1::o1_loadSpriteContent(OpFuncParams &params) {
	_vm->_draw->_spriteLeft = _vm->_game->_script->readInt16();
	_vm->_draw->_destSurface = _vm->_game->_script->readInt16();
	_vm->_draw->_transparency = _vm->_game->_script->readInt16();
	_vm->_draw->_destSpriteX = 0;
	_vm->_draw->_destSpriteY = 0;

	_vm->_draw->spriteOperation(DRAW_LOADSPRITE);
	return false;
}

bool Inter_v1::o1_copySprite(OpFuncParams &params) {
	if (_vm->_game->_script->peekByte(1) == 0)
		_vm->_draw->_sourceSurface = _vm->_game->_script->readInt16();
	else
		_vm->_draw->_sourceSurface = _vm->_game->_script->readValExpr();

	if (_vm->_game->_script->peekByte(1) == 0)
		_vm->_draw->_destSurface = _vm->_game->_script->readInt16();
	else
		_vm->_draw->_destSurface = _vm->_game->_script->readValExpr();

	_vm->_draw->_spriteLeft = _vm->_game->_script->readValExpr();
	_vm->_draw->_spriteTop = _vm->_game->_script->readValExpr();
	_vm->_draw->_spriteRight = _vm->_game->_script->readValExpr();
	_vm->_draw->_spriteBottom = _vm->_game->_script->readValExpr();

	_vm->_draw->_destSpriteX = _vm->_game->_script->readValExpr();
	_vm->_draw->_destSpriteY = _vm->_game->_script->readValExpr();

	_vm->_draw->_transparency = _vm->_game->_script->readInt16();

	_vm->_draw->spriteOperation(DRAW_BLITSURF);
	return false;
}

bool Inter_v1::o1_fillRect(OpFuncParams &params) {
	int16 destSurf;

	_vm->_draw->_destSurface = destSurf = _vm->_game->_script->readInt16();

	_vm->_draw->_destSpriteX = _vm->_game->_script->readValExpr();
	_vm->_draw->_destSpriteY = _vm->_game->_script->readValExpr();
	_vm->_draw->_spriteRight = _vm->_game->_script->readValExpr();
	_vm->_draw->_spriteBottom = _vm->_game->_script->readValExpr();

	_vm->_draw->_backColor = _vm->_game->_script->readValExpr();

	if (!_vm->_draw->_spritesArray[(destSurf >= 100) ? (destSurf - 80) : destSurf])
		return false;

	if (_vm->_draw->_spriteRight < 0) {
		_vm->_draw->_destSpriteX += _vm->_draw->_spriteRight - 1;
		_vm->_draw->_spriteRight = -_vm->_draw->_spriteRight + 2;
	}
	if (_vm->_draw->_spriteBottom < 0) {
		_vm->_draw->_destSpriteY += _vm->_draw->_spriteBottom - 1;
		_vm->_draw->_spriteBottom = -_vm->_draw->_spriteBottom + 2;
	}

	_vm->_draw->spriteOperation(DRAW_FILLRECT);
	return false;
}

bool Inter_v1::o1_drawLine(OpFuncParams &params) {
	_vm->_draw->_destSurface = _vm->_game->_script->readInt16();

	_vm->_draw->_destSpriteX = _vm->_game->_script->readValExpr();
	_vm->_draw->_destSpriteY = _vm->_game->_script->readValExpr();
	_vm->_draw->_spriteRight = _vm->_game->_script->readValExpr();
	_vm->_draw->_spriteBottom = _vm->_game->_script->readValExpr();

	_vm->_draw->_frontColor = _vm->_game->_script->readValExpr();
	_vm->_draw->spriteOperation(DRAW_DRAWLINE);
	return false;
}

bool Inter_v1::o1_strToLong(OpFuncParams &params) {
	char str[20];
	int16 strVar;
	int16 destVar;
	int32 res;

	strVar = _vm->_game->_script->readVarIndex();
	strncpy0(str, GET_VARO_STR(strVar), 19);
	res = atoi(str);

	destVar = _vm->_game->_script->readVarIndex();
	WRITE_VAR_OFFSET(destVar, res);
	return false;
}

bool Inter_v1::o1_invalidate(OpFuncParams &params) {
	_vm->_draw->_destSurface = _vm->_game->_script->readInt16();
	_vm->_draw->_destSpriteX = _vm->_game->_script->readValExpr();
	_vm->_draw->_destSpriteY = _vm->_game->_script->readValExpr();
	_vm->_draw->_spriteRight = _vm->_game->_script->readValExpr();
	_vm->_draw->_frontColor = _vm->_game->_script->readValExpr();
	_vm->_draw->spriteOperation(DRAW_INVALIDATE);
	return false;
}

bool Inter_v1::o1_setBackDelta(OpFuncParams &params) {
	_vm->_draw->_backDeltaX = _vm->_game->_script->readValExpr();
	_vm->_draw->_backDeltaY = _vm->_game->_script->readValExpr();
	return false;
}

bool Inter_v1::o1_playSound(OpFuncParams &params) {
	int16 frequency;
	int16 freq2;
	int16 repCount;
	int16 index;
	int16 endRep;

	index = _vm->_game->_script->readValExpr();
	repCount = _vm->_game->_script->readValExpr();
	frequency = _vm->_game->_script->readValExpr();

	SoundDesc *sample = _vm->_sound->sampleGetBySlot(index);

	_soundEndTimeKey = 0;
	if (!sample || sample->empty())
		return false;

	if (repCount < 0) {
		if (_vm->_global->_soundFlags < 2)
			return false;

		repCount = -repCount;
		_soundEndTimeKey = _vm->_util->getTimeKey();

		freq2 = frequency ? frequency : sample->_frequency;
		endRep = MAX(repCount - 1, 1);

		_soundStopVal = sample->calcFadeOutLength(freq2);
		_soundEndTimeKey += sample->calcLength(endRep, freq2, true);
	}

	if (sample->getType() == SOUND_ADL) {
		_vm->_sound->adlibLoadADL(sample->getData(), sample->size(), index);
		_vm->_sound->adlibSetRepeating(repCount - 1);
		_vm->_sound->adlibPlay();
	} else {
		_vm->_sound->blasterStop(0);
		_vm->_sound->blasterPlay(sample, repCount - 1, frequency);
	}

	return false;
}

bool Inter_v1::o1_stopSound(OpFuncParams &params) {
	_vm->_sound->adlibStop();
	_vm->_sound->blasterStop(_vm->_game->_script->readValExpr());

	_soundEndTimeKey = 0;
	return false;
}

bool Inter_v1::o1_loadSound(OpFuncParams &params) {
	loadSound(-1);
	return false;
}

bool Inter_v1::o1_freeSoundSlot(OpFuncParams &params) {
	_vm->_game->freeSoundSlot(-1);
	return false;
}

bool Inter_v1::o1_waitEndPlay(OpFuncParams &params) {
	_vm->_sound->blasterWaitEndPlay();
	return false;
}

bool Inter_v1::o1_playComposition(OpFuncParams &params) {
	int16 composition[50];
	int16 dataVar;
	int16 freqVal;

	dataVar = _vm->_game->_script->readVarIndex();
	freqVal = _vm->_game->_script->readValExpr();
	for (int i = 0; i < 50; i++)
		composition[i] = (int16) VAR_OFFSET(dataVar + i * 4);

	_vm->_sound->blasterPlayComposition(composition, freqVal);
	return false;
}

bool Inter_v1::o1_getFreeMem(OpFuncParams &params) {
	int16 freeVar;
	int16 maxFreeVar;

	freeVar = _vm->_game->_script->readVarIndex();
	maxFreeVar = _vm->_game->_script->readVarIndex();

	// HACK
	WRITE_VAR_OFFSET(freeVar, 1000000);
	WRITE_VAR_OFFSET(maxFreeVar, 1000000);
	return false;
}

bool Inter_v1::o1_checkData(OpFuncParams &params) {
	int16 handle;
	int16 varOff;

	_vm->_game->_script->evalExpr(0);
	varOff = _vm->_game->_script->readVarIndex();
	handle = _vm->_dataIO->openData(_vm->_game->_script->getResultStr());

	WRITE_VAR_OFFSET(varOff, handle);
	if (handle >= 0)
		_vm->_dataIO->closeData(handle);
	else
		warning("File \"%s\" not found", _vm->_game->_script->getResultStr());
	return false;
}

bool Inter_v1::o1_cleanupStr(OpFuncParams &params) {
	int16 strVar;

	strVar = _vm->_game->_script->readVarIndex();
	_vm->_util->cleanupStr(GET_VARO_FSTR(strVar));
	return false;
}

bool Inter_v1::o1_insertStr(OpFuncParams &params) {
	int16 pos;
	int16 strVar;

	strVar = _vm->_game->_script->readVarIndex();
	_vm->_game->_script->evalExpr(0);
	pos = _vm->_game->_script->readValExpr();

	char *str = GET_VARO_FSTR(strVar);
	_vm->_util->insertStr(_vm->_game->_script->getResultStr(), str, pos);
	return false;
}

bool Inter_v1::o1_cutStr(OpFuncParams &params) {
	int16 strVar;
	int16 pos;
	int16 size;

	strVar = _vm->_game->_script->readVarIndex();
	pos = _vm->_game->_script->readValExpr();
	size = _vm->_game->_script->readValExpr();
	_vm->_util->cutFromStr(GET_VARO_STR(strVar), pos, size);
	return false;
}

bool Inter_v1::o1_strstr(OpFuncParams &params) {
	int16 strVar;
	int16 resVar;
	int16 pos;

	strVar = _vm->_game->_script->readVarIndex();
	_vm->_game->_script->evalExpr(0);
	resVar = _vm->_game->_script->readVarIndex();

	char *res = strstr(GET_VARO_STR(strVar), _vm->_game->_script->getResultStr());
	pos = res ? (res - (GET_VARO_STR(strVar))) : -1;
	WRITE_VAR_OFFSET(resVar, pos);
	return false;
}

bool Inter_v1::o1_istrlen(OpFuncParams &params) {
	int16 len;
	int16 strVar;

	strVar = _vm->_game->_script->readVarIndex();
	len = strlen(GET_VARO_STR(strVar));
	strVar = _vm->_game->_script->readVarIndex();

	WRITE_VAR_OFFSET(strVar, len);
	return false;
}

bool Inter_v1::o1_setMousePos(OpFuncParams &params) {
	_vm->_global->_inter_mouseX = _vm->_game->_script->readValExpr();
	_vm->_global->_inter_mouseY = _vm->_game->_script->readValExpr();
	_vm->_global->_inter_mouseX -= _vm->_video->_scrollOffsetX;
	_vm->_global->_inter_mouseY -= _vm->_video->_scrollOffsetY;
	if (_vm->_global->_useMouse != 0)
		_vm->_util->setMousePos(_vm->_global->_inter_mouseX,
				_vm->_global->_inter_mouseY);
	return false;
}

bool Inter_v1::o1_setFrameRate(OpFuncParams &params) {
	_vm->_util->setFrameRate(_vm->_game->_script->readValExpr());
	return false;
}

bool Inter_v1::o1_animatePalette(OpFuncParams &params) {
	_vm->_draw->blitInvalidated();
	_vm->_util->waitEndFrame();
	animPalette();
	storeKey(_vm->_game->checkKeys(&_vm->_global->_inter_mouseX,
		&_vm->_global->_inter_mouseY, &_vm->_game->_mouseButtons, 0));
	return false;
}

bool Inter_v1::o1_animateCursor(OpFuncParams &params) {
	_vm->_draw->animateCursor(1);
	return false;
}

bool Inter_v1::o1_blitCursor(OpFuncParams &params) {
	_vm->_draw->blitCursor();
	return false;
}

bool Inter_v1::o1_loadFont(OpFuncParams &params) {
	int16 index;

	_vm->_game->_script->evalExpr(0);
	index = _vm->_game->_script->readInt16();

	_vm->_draw->animateCursor(4);

	_vm->_draw->loadFont(index, _vm->_game->_script->getResultStr());

	return false;
}

bool Inter_v1::o1_freeFont(OpFuncParams &params) {
	int16 index;

	index = _vm->_game->_script->readInt16();
	delete _vm->_draw->_fonts[index];
	_vm->_draw->_fonts[index] = 0;
	return false;
}

bool Inter_v1::o1_readData(OpFuncParams &params) {
	int16 retSize;
	int16 size;
	int16 dataVar;
	int16 offset;
	int16 handle;

	_vm->_game->_script->evalExpr(0);
	dataVar = _vm->_game->_script->readVarIndex();
	size = _vm->_game->_script->readValExpr();
	offset = _vm->_game->_script->readValExpr();
	retSize = 0;

	WRITE_VAR(1, 1);
	handle = _vm->_dataIO->openData(_vm->_game->_script->getResultStr());
	if (handle >= 0) {
		DataStream *stream = _vm->_dataIO->openAsStream(handle, true);

		_vm->_draw->animateCursor(4);
		if (offset < 0)
			stream->seek(offset + 1, SEEK_END);
		else
			stream->seek(offset);

		if (((dataVar >> 2) == 59) && (size == 4))
			WRITE_VAR(59, stream->readUint32LE());
		else
			retSize = stream->read((byte *) _variables->getAddressOff8(dataVar), size);

		if (retSize == size)
			WRITE_VAR(1, 0);

		delete stream;
	}

	return false;
}

bool Inter_v1::o1_writeData(OpFuncParams &params) {
	int16 offset;
	int16 size;
	int16 dataVar;

	// This writes into a file. It's not portable and isn't needed anyway
	// (Gobliiins 1 doesn't use save file), so we just warn should it be
	// called regardless.

	_vm->_game->_script->evalExpr(0);
	dataVar = _vm->_game->_script->readVarIndex();
	size = _vm->_game->_script->readValExpr();
	offset = _vm->_game->_script->readValExpr();

	warning("Attempted to write to file \"%s\"", _vm->_game->_script->getResultStr());
	WRITE_VAR(1, 0);

	return false;
}

bool Inter_v1::o1_manageDataFile(OpFuncParams &params) {
	_vm->_game->_script->evalExpr(0);

	if (_vm->_game->_script->getResultStr()[0] != 0)
		_vm->_dataIO->openDataFile(_vm->_game->_script->getResultStr());
	else
		_vm->_dataIO->closeDataFile();
	return false;
}

void Inter_v1::o1_setState(OpGobParams &params) {
	params.objDesc->state = params.extraData;
	if (params.objDesc == _vm->_goblin->_actDestItemDesc)
		_vm->_goblin->_destItemStateVarPtr = (uint32) params.extraData;
}

void Inter_v1::o1_setCurFrame(OpGobParams &params) {
	params.objDesc->curFrame = params.extraData;
	if (params.objDesc == _vm->_goblin->_actDestItemDesc)
		_vm->_goblin->_destItemFrameVarPtr = (uint32) params.extraData;
}

void Inter_v1::o1_setNextState(OpGobParams &params) {
	params.objDesc->nextState = params.extraData;
	if (params.objDesc == _vm->_goblin->_actDestItemDesc)
		_vm->_goblin->_destItemNextStateVarPtr = (uint32) params.extraData;
}

void Inter_v1::o1_setMultState(OpGobParams &params) {
	params.objDesc->multState = params.extraData;
	if (params.objDesc == _vm->_goblin->_actDestItemDesc)
		_vm->_goblin->_destItemMultStateVarPtr = (uint32) params.extraData;
}

void Inter_v1::o1_setOrder(OpGobParams &params) {
	params.objDesc->order = params.extraData;
	if (params.objDesc == _vm->_goblin->_actDestItemDesc)
		_vm->_goblin->_destItemOrderVarPtr = (uint32) params.extraData;
}

void Inter_v1::o1_setActionStartState(OpGobParams &params) {
	params.objDesc->actionStartState = params.extraData;
	if (params.objDesc == _vm->_goblin->_actDestItemDesc)
		_vm->_goblin->_destItemActStartStVarPtr = (uint32) params.extraData;
}

void Inter_v1::o1_setCurLookDir(OpGobParams &params) {
	params.objDesc->curLookDir = params.extraData;
	if (params.objDesc == _vm->_goblin->_actDestItemDesc)
		_vm->_goblin->_destItemLookDirVarPtr = (uint32) params.extraData;
}

void Inter_v1::o1_setType(OpGobParams &params) {
	params.objDesc->type = params.extraData;
	if (params.objDesc == _vm->_goblin->_actDestItemDesc)
		_vm->_goblin->_destItemTypeVarPtr = (uint32) params.extraData;

	if (params.extraData == 0)
		params.objDesc->toRedraw = 1;
}

void Inter_v1::o1_setNoTick(OpGobParams &params) {
	params.objDesc->noTick = params.extraData;
	if (params.objDesc == _vm->_goblin->_actDestItemDesc)
		_vm->_goblin->_destItemNoTickVarPtr = (uint32) params.extraData;
}

void Inter_v1::o1_setPickable(OpGobParams &params) {
	params.objDesc->pickable = params.extraData;
	if (params.objDesc == _vm->_goblin->_actDestItemDesc)
		_vm->_goblin->_destItemPickableVarPtr = (uint32) params.extraData;
}

void Inter_v1::o1_setXPos(OpGobParams &params) {
	params.objDesc->xPos = params.extraData;
	if (params.objDesc == _vm->_goblin->_actDestItemDesc)
		_vm->_goblin->_destItemScrXVarPtr = (uint32) params.extraData;
}

void Inter_v1::o1_setYPos(OpGobParams &params) {
	params.objDesc->yPos = params.extraData;
	if (params.objDesc == _vm->_goblin->_actDestItemDesc)
		_vm->_goblin->_destItemScrYVarPtr = (uint32) params.extraData;
}

void Inter_v1::o1_setDoAnim(OpGobParams &params) {
	params.objDesc->doAnim = params.extraData;
	if (params.objDesc == _vm->_goblin->_actDestItemDesc)
		_vm->_goblin->_destItemDoAnimVarPtr = (uint32) params.extraData;
}

void Inter_v1::o1_setRelaxTime(OpGobParams &params) {
	params.objDesc->relaxTime = params.extraData;
	if (params.objDesc == _vm->_goblin->_actDestItemDesc)
		_vm->_goblin->_destItemRelaxVarPtr = (uint32) params.extraData;
}

void Inter_v1::o1_setMaxTick(OpGobParams &params) {
	params.objDesc->maxTick = params.extraData;
	if (params.objDesc == _vm->_goblin->_actDestItemDesc)
		_vm->_goblin->_destItemMaxTickVarPtr = (uint32) params.extraData;
}

void Inter_v1::o1_getState(OpGobParams &params) {
	params.retVarPtr = (uint32) params.objDesc->state;
}

void Inter_v1::o1_getCurFrame(OpGobParams &params) {
	params.retVarPtr = (uint32) params.objDesc->curFrame;
}

void Inter_v1::o1_getNextState(OpGobParams &params) {
	params.retVarPtr = (uint32) params.objDesc->nextState;
}

void Inter_v1::o1_getMultState(OpGobParams &params) {
	params.retVarPtr = (uint32) params.objDesc->multState;
}

void Inter_v1::o1_getOrder(OpGobParams &params) {
	params.retVarPtr = (uint32) params.objDesc->order;
}

void Inter_v1::o1_getActionStartState(OpGobParams &params) {
	params.retVarPtr = (uint32) params.objDesc->actionStartState;
}

void Inter_v1::o1_getCurLookDir(OpGobParams &params) {
	params.retVarPtr = (uint32) params.objDesc->curLookDir;
}

void Inter_v1::o1_getType(OpGobParams &params) {
	params.retVarPtr = (uint32) params.objDesc->type;
}

void Inter_v1::o1_getNoTick(OpGobParams &params) {
	params.retVarPtr = (uint32) params.objDesc->noTick;
}

void Inter_v1::o1_getPickable(OpGobParams &params) {
	params.retVarPtr = (uint32) params.objDesc->pickable;
}

void Inter_v1::o1_getObjMaxFrame(OpGobParams &params) {
	params.retVarPtr = (uint32) _vm->_goblin->getObjMaxFrame(params.objDesc);
}

void Inter_v1::o1_getXPos(OpGobParams &params) {
	params.retVarPtr = (uint32) params.objDesc->xPos;
}

void Inter_v1::o1_getYPos(OpGobParams &params) {
	params.retVarPtr = (uint32) params.objDesc->yPos;
}

void Inter_v1::o1_getDoAnim(OpGobParams &params) {
	params.retVarPtr = (uint32) params.objDesc->doAnim;
}

void Inter_v1::o1_getRelaxTime(OpGobParams &params) {
	params.retVarPtr = (uint32) params.objDesc->relaxTime;
}

void Inter_v1::o1_getMaxTick(OpGobParams &params) {
	params.retVarPtr = (uint32) params.objDesc->maxTick;
}

void Inter_v1::o1_manipulateMap(OpGobParams &params) {
	int16 xPos = _vm->_game->_script->readInt16();
	int16 yPos = _vm->_game->_script->readInt16();
	int16 item = _vm->_game->_script->readInt16();

	manipulateMap(xPos, yPos, item);
}

void Inter_v1::o1_getItem(OpGobParams &params) {
	int16 xPos = _vm->_game->_script->readInt16();
	int16 yPos = _vm->_game->_script->readInt16();

	if ((_vm->_map->getItem(xPos, yPos) & 0xFF00) != 0)
		params.retVarPtr = (uint32) ((_vm->_map->getItem(xPos, yPos) & 0xFF00) >> 8);
	else
		params.retVarPtr = (uint32) _vm->_map->getItem(xPos, yPos);
}

void Inter_v1::o1_manipulateMapIndirect(OpGobParams &params) {
	int16 xPos = _vm->_game->_script->readInt16();
	int16 yPos = _vm->_game->_script->readInt16();
	int16 item = _vm->_game->_script->readInt16();

	xPos = VAR(xPos);
	yPos = VAR(yPos);
	item = VAR(item);

	manipulateMap(xPos, yPos, item);
}

void Inter_v1::o1_getItemIndirect(OpGobParams &params) {
	int16 xPos = _vm->_game->_script->readInt16();
	int16 yPos = _vm->_game->_script->readInt16();

	xPos = VAR(xPos);
	yPos = VAR(yPos);

	if ((_vm->_map->getItem(xPos, yPos) & 0xFF00) != 0)
		params.retVarPtr = (uint32) ((_vm->_map->getItem(xPos, yPos) & 0xFF00) >> 8);
	else
		params.retVarPtr = (uint32) _vm->_map->getItem(xPos, yPos);
}

void Inter_v1::o1_setPassMap(OpGobParams &params) {
	int16 xPos = _vm->_game->_script->readInt16();
	int16 yPos = _vm->_game->_script->readInt16();
	int16 val = _vm->_game->_script->readInt16();
	_vm->_map->setPass(xPos, yPos, val);
}

void Inter_v1::o1_setGoblinPosH(OpGobParams &params) {
	int16 layer;
	int16 item = _vm->_game->_script->readInt16();
	int16 xPos = _vm->_game->_script->readInt16();
	int16 yPos = _vm->_game->_script->readInt16();

	_vm->_goblin->_gobPositions[item].x = xPos * 2;
	_vm->_goblin->_gobPositions[item].y = yPos * 2;

	params.objDesc = _vm->_goblin->_goblins[item];
	params.objDesc->nextState = 21;

	_vm->_goblin->nextLayer(params.objDesc);

	layer = params.objDesc->stateMach[params.objDesc->state][0]->layer;

	_vm->_scenery->updateAnim(layer, 0, params.objDesc->animation, 0,
			params.objDesc->xPos, params.objDesc->yPos, 0);

	params.objDesc->yPos = (_vm->_goblin->_gobPositions[item].y * 6 + 6) -
		(_vm->_scenery->_toRedrawBottom - _vm->_scenery->_animTop);
	params.objDesc->xPos =
			_vm->_goblin->_gobPositions[item].x * 12 -
			(_vm->_scenery->_toRedrawLeft - _vm->_scenery->_animLeft);

	params.objDesc->curFrame = 0;
	params.objDesc->state = 21;
	if (_vm->_goblin->_currentGoblin == item) {
		_vm->_goblin->_curGobScrXVarPtr = (uint32) params.objDesc->xPos;
		_vm->_goblin->_curGobScrYVarPtr = (uint32) params.objDesc->yPos;

		_vm->_goblin->_curGobFrameVarPtr = 0;
		_vm->_goblin->_curGobStateVarPtr = 18;
		_vm->_goblin->_pressedMapX = _vm->_goblin->_gobPositions[item].x;
		_vm->_goblin->_pressedMapY = _vm->_goblin->_gobPositions[item].y;
	}
}

void Inter_v1::o1_getGoblinPosXH(OpGobParams &params) {
	int16 item = _vm->_game->_script->readInt16();
	params.retVarPtr = (uint32) (_vm->_goblin->_gobPositions[item].x >> 1);
}

void Inter_v1::o1_getGoblinPosYH(OpGobParams &params) {
	int16 item = _vm->_game->_script->readInt16();
	params.retVarPtr = (uint32) (_vm->_goblin->_gobPositions[item].y >> 1);
}

void Inter_v1::o1_setGoblinMultState(OpGobParams &params) {
	int16 layer;
	int16 item = _vm->_game->_script->readInt16();
	int16 xPos = _vm->_game->_script->readInt16();
	int16 yPos = _vm->_game->_script->readInt16();

	params.objDesc = _vm->_goblin->_goblins[item];
	if (yPos == 0) {
		params.objDesc->multState = xPos;
		params.objDesc->nextState = xPos;
		_vm->_goblin->nextLayer(params.objDesc);

		layer = params.objDesc->stateMach[params.objDesc->state][0]->layer;

		Scenery::AnimLayer *animLayer =
			_vm->_scenery->getAnimLayer(params.objDesc->animation, layer);
		params.objDesc->xPos = animLayer->posX;
		params.objDesc->yPos = animLayer->posY;

		_vm->_goblin->_curGobScrXVarPtr = (uint32) params.objDesc->xPos;
		_vm->_goblin->_curGobScrYVarPtr = (uint32) params.objDesc->yPos;
		_vm->_goblin->_curGobFrameVarPtr = 0;
		_vm->_goblin->_curGobStateVarPtr = (uint32) params.objDesc->state;
		_vm->_goblin->_curGobNextStateVarPtr = (uint32) params.objDesc->nextState;
		_vm->_goblin->_curGobMultStateVarPtr = (uint32) params.objDesc->multState;
		_vm->_goblin->_curGobMaxFrameVarPtr =
				(uint32) _vm->_goblin->getObjMaxFrame(params.objDesc);
		_vm->_goblin->_noPick = 1;
		return;
	}

	params.objDesc->multState = 21;
	params.objDesc->nextState = 21;
	params.objDesc->state = 21;
	_vm->_goblin->nextLayer(params.objDesc);
	layer = params.objDesc->stateMach[params.objDesc->state][0]->layer;

	_vm->_scenery->updateAnim(layer, 0, params.objDesc->animation, 0,
			params.objDesc->xPos, params.objDesc->yPos, 0);

	params.objDesc->yPos = (yPos * 6 + 6) -
		(_vm->_scenery->_toRedrawBottom - _vm->_scenery->_animTop);
	params.objDesc->xPos = xPos * 12 -
		(_vm->_scenery->_toRedrawLeft - _vm->_scenery->_animLeft);

	_vm->_goblin->_gobPositions[item].x = xPos;
	_vm->_goblin->_pressedMapX = xPos;
	_vm->_map->_curGoblinX = xPos;

	_vm->_goblin->_gobPositions[item].y = yPos;
	_vm->_goblin->_pressedMapY = yPos;
	_vm->_map->_curGoblinY = yPos;

	_vm->_goblin->_curGobScrXVarPtr = (uint32) params.objDesc->xPos;
	_vm->_goblin->_curGobScrYVarPtr = (uint32) params.objDesc->yPos;
	_vm->_goblin->_curGobFrameVarPtr = 0;
	_vm->_goblin->_curGobStateVarPtr = 21;
	_vm->_goblin->_curGobNextStateVarPtr = 21;
	_vm->_goblin->_curGobMultStateVarPtr = (uint32) -1;
	_vm->_goblin->_noPick = 0;
}

void Inter_v1::o1_setGoblinUnk14(OpGobParams &params) {
	int16 item = _vm->_game->_script->readInt16();
	int16 val = _vm->_game->_script->readInt16();
	params.objDesc = _vm->_goblin->_objects[item];
	params.objDesc->unk14 = val;
}

void Inter_v1::o1_setItemIdInPocket(OpGobParams &params) {
	_vm->_goblin->_itemIdInPocket = _vm->_game->_script->readInt16();
}

void Inter_v1::o1_setItemIndInPocket(OpGobParams &params) {
	_vm->_goblin->_itemIndInPocket = _vm->_game->_script->readInt16();
}

void Inter_v1::o1_getItemIdInPocket(OpGobParams &params) {
	params.retVarPtr = (uint32) _vm->_goblin->_itemIdInPocket;
}

void Inter_v1::o1_getItemIndInPocket(OpGobParams &params) {
	params.retVarPtr = (uint32) _vm->_goblin->_itemIndInPocket;
}

void Inter_v1::o1_setGoblinPos(OpGobParams &params) {
	int16 layer;
	int16 item = _vm->_game->_script->readInt16();
	int16 xPos = _vm->_game->_script->readInt16();
	int16 yPos = _vm->_game->_script->readInt16();

	_vm->_goblin->_gobPositions[item].x = xPos;
	_vm->_goblin->_gobPositions[item].y = yPos;

	params.objDesc = _vm->_goblin->_goblins[item];
	params.objDesc->nextState = 21;
	_vm->_goblin->nextLayer(params.objDesc);

	layer = params.objDesc->stateMach[params.objDesc->state][0]->layer;

	_vm->_scenery->updateAnim(layer, 0, params.objDesc->animation, 0,
			params.objDesc->xPos, params.objDesc->yPos, 0);

	params.objDesc->yPos = (yPos * 6 + 6) -
		(_vm->_scenery->_toRedrawBottom - _vm->_scenery->_animTop);
	params.objDesc->xPos = xPos * 12 -
		(_vm->_scenery->_toRedrawLeft - _vm->_scenery->_animLeft);

	params.objDesc->curFrame = 0;
	params.objDesc->state = 21;

	if (_vm->_goblin->_currentGoblin == item) {
		_vm->_goblin->_curGobScrXVarPtr = (uint32) params.objDesc->xPos;
		_vm->_goblin->_curGobScrYVarPtr = (uint32) params.objDesc->yPos;
		_vm->_goblin->_curGobFrameVarPtr = 0;
		_vm->_goblin->_curGobStateVarPtr = 18;

		_vm->_goblin->_pressedMapX = _vm->_goblin->_gobPositions[item].x;
		_vm->_goblin->_pressedMapY = _vm->_goblin->_gobPositions[item].y;
	}
}

void Inter_v1::o1_setGoblinState(OpGobParams &params) {
	int16 layer;
	int16 item = _vm->_game->_script->readInt16();
	int16 state = _vm->_game->_script->readInt16();

	params.objDesc = _vm->_goblin->_goblins[item];
	params.objDesc->nextState = state;

	_vm->_goblin->nextLayer(params.objDesc);
	layer = params.objDesc->stateMach[params.objDesc->state][0]->layer;

	Scenery::AnimLayer *animLayer =
		_vm->_scenery->getAnimLayer(params.objDesc->animation, layer);
	params.objDesc->xPos = animLayer->posX;
	params.objDesc->yPos = animLayer->posY;

	if (item == _vm->_goblin->_currentGoblin) {
		_vm->_goblin->_curGobScrXVarPtr = (uint32) params.objDesc->xPos;
		_vm->_goblin->_curGobScrYVarPtr = (uint32) params.objDesc->yPos;
		_vm->_goblin->_curGobFrameVarPtr = 0;
		_vm->_goblin->_curGobStateVarPtr = (uint32) params.objDesc->state;
		_vm->_goblin->_curGobMultStateVarPtr = (uint32) params.objDesc->multState;
	}
}

void Inter_v1::o1_setGoblinStateRedraw(OpGobParams &params) {
	int16 layer;
	int16 item = _vm->_game->_script->readInt16();
	int16 state = _vm->_game->_script->readInt16();
	params.objDesc = _vm->_goblin->_objects[item];

	params.objDesc->nextState = state;

	_vm->_goblin->nextLayer(params.objDesc);
	layer = params.objDesc->stateMach[params.objDesc->state][0]->layer;

	Scenery::AnimLayer *animLayer =
		_vm->_scenery->getAnimLayer(params.objDesc->animation, layer);
	params.objDesc->xPos = animLayer->posX;
	params.objDesc->yPos = animLayer->posY;

	params.objDesc->toRedraw = 1;
	params.objDesc->type = 0;
	if (params.objDesc == _vm->_goblin->_actDestItemDesc) {
		_vm->_goblin->_destItemScrXVarPtr = (uint32) params.objDesc->xPos;
		_vm->_goblin->_destItemScrYVarPtr = (uint32) params.objDesc->yPos;

		_vm->_goblin->_destItemStateVarPtr = (uint32) params.objDesc->state;
		_vm->_goblin->_destItemNextStateVarPtr = (uint32) -1;
		_vm->_goblin->_destItemMultStateVarPtr = (uint32) -1;
		_vm->_goblin->_destItemFrameVarPtr = 0;
	}
}

void Inter_v1::o1_decRelaxTime(OpGobParams &params) {
	params.extraData = _vm->_game->_script->readInt16();
	params.objDesc = _vm->_goblin->_objects[params.extraData];

	params.objDesc->relaxTime--;
	if ((params.objDesc->relaxTime < 0) &&
	    (_vm->_goblin->getObjMaxFrame(params.objDesc) ==
	     params.objDesc->curFrame)) {
		params.objDesc->relaxTime = _vm->_util->getRandom(100) + 50;
		params.objDesc->curFrame = 0;
		params.objDesc->toRedraw = 1;
	}
}

void Inter_v1::o1_getGoblinPosX(OpGobParams &params) {
	int16 item = _vm->_game->_script->readInt16();
	params.retVarPtr = (uint32) _vm->_goblin->_gobPositions[item].x;
}

void Inter_v1::o1_getGoblinPosY(OpGobParams &params) {
	int16 item = _vm->_game->_script->readInt16();
	params.retVarPtr = (uint32) _vm->_goblin->_gobPositions[item].y;
}

void Inter_v1::o1_clearPathExistence(OpGobParams &params) {
	_vm->_goblin->_pathExistence = 0;
}

void Inter_v1::o1_setGoblinVisible(OpGobParams &params) {
	params.extraData = _vm->_game->_script->readInt16();
	_vm->_goblin->_goblins[params.extraData]->visible = 1;
}

void Inter_v1::o1_setGoblinInvisible(OpGobParams &params) {
	params.extraData = _vm->_game->_script->readInt16();
	_vm->_goblin->_goblins[params.extraData]->visible = 0;
}

void Inter_v1::o1_getObjectIntersect(OpGobParams &params) {
	params.extraData = _vm->_game->_script->readInt16();
	int16 item = _vm->_game->_script->readInt16();

	params.objDesc = _vm->_goblin->_objects[params.extraData];
	if (_vm->_goblin->objIntersected(params.objDesc,
				_vm->_goblin->_goblins[item]))
		params.retVarPtr = 1;
	else
		params.retVarPtr = 0;
}

void Inter_v1::o1_getGoblinIntersect(OpGobParams &params) {
	params.extraData = _vm->_game->_script->readInt16();
	int16 item = _vm->_game->_script->readInt16();

	params.objDesc = _vm->_goblin->_goblins[params.extraData];
	if (_vm->_goblin->objIntersected(params.objDesc,
				_vm->_goblin->_goblins[item]))
		params.retVarPtr = 1;
	else
		params.retVarPtr = 0;
}

void Inter_v1::o1_setItemPos(OpGobParams &params) {
	int16 item = _vm->_game->_script->readInt16();
	int16 xPos = _vm->_game->_script->readInt16();
	int16 yPos = _vm->_game->_script->readInt16();
	int16 val = _vm->_game->_script->readInt16();

	_vm->_map->_itemPoses[item].x = xPos;
	_vm->_map->_itemPoses[item].y = yPos;
	_vm->_map->_itemPoses[item].orient = val;
}

void Inter_v1::o1_loadObjects(OpGobParams &params) {
	params.extraData = _vm->_game->_script->readInt16();

	_vm->_goblin->loadObjects(_variables->getAddressVarString(params.extraData));
}

void Inter_v1::o1_freeObjects(OpGobParams &params) {
	_vm->_goblin->freeAllObjects();
}

void Inter_v1::o1_animateObjects(OpGobParams &params) {
	_vm->_goblin->animateObjects();
}

void Inter_v1::o1_drawObjects(OpGobParams &params) {
	_vm->_goblin->drawObjects();

	_vm->_sound->adlibPlayBgMusic(); // Mac version
	if (_vm->_sound->cdGetTrackPos() == -1)
		_vm->_sound->cdPlayBgMusic(); // PC CD version
}

void Inter_v1::o1_loadMap(OpGobParams &params) {
	_vm->_map->loadMapsInitGobs();
}

void Inter_v1::o1_moveGoblin(OpGobParams &params) {
	int16 item;
	params.extraData = _vm->_game->_script->readInt16();
	int16 xPos = _vm->_game->_script->readInt16();

	if ((uint16) VAR(xPos) == 0) {
		item =
				_vm->_goblin->doMove(_vm->_goblin->_goblins[_vm->_goblin->_currentGoblin],
					1, (uint16) VAR(params.extraData));
	} else {
		item =
				_vm->_goblin->doMove(_vm->_goblin->_goblins[_vm->_goblin->_currentGoblin],
					1, 3);
	}

	if (item != 0)
		_vm->_goblin->switchGoblin(item);
}

void Inter_v1::o1_switchGoblin(OpGobParams &params) {
	_vm->_goblin->switchGoblin(0);
}

void Inter_v1::o1_loadGoblin(OpGobParams &params) {
	_vm->_goblin->loadGobDataFromVars();
}

void Inter_v1::o1_writeTreatItem(OpGobParams &params) {
	params.extraData = _vm->_game->_script->readInt16();
	int16 cmd = _vm->_game->_script->readInt16();
	int16 xPos = _vm->_game->_script->readInt16();

	if ((uint16) VAR(xPos) == 0) {
		WRITE_VAR(cmd, _vm->_goblin->treatItem((uint16) VAR(params.extraData)));
		return;
	}

	WRITE_VAR(cmd, _vm->_goblin->treatItem(3));
}

void Inter_v1::o1_moveGoblin0(OpGobParams &params) {
	_vm->_goblin->doMove(_vm->_goblin->_goblins[_vm->_goblin->_currentGoblin],
			0, 0);
}

void Inter_v1::o1_setGoblinTarget(OpGobParams &params) {
	params.extraData = _vm->_game->_script->readInt16();
	if (VAR(params.extraData) != 0)
		_vm->_goblin->_goesAtTarget = 1;
	else
		_vm->_goblin->_goesAtTarget = 0;
}

void Inter_v1::o1_setGoblinObjectsPos(OpGobParams &params) {
	params.extraData = _vm->_game->_script->readInt16();
	params.extraData = VAR(params.extraData);
	_vm->_goblin->_objects[10]->xPos = params.extraData;

	params.extraData = _vm->_game->_script->readInt16();
	params.extraData = VAR(params.extraData);
	_vm->_goblin->_objects[10]->yPos = params.extraData;
}

void Inter_v1::o1_initGoblin(OpGobParams &params) {
	Goblin::Gob_Object *gobDesc = _vm->_goblin->_goblins[0];
	int16 xPos;
	int16 yPos;
	int16 layer;

	if (_vm->_goblin->_currentGoblin != 0) {
		_vm->_goblin->_goblins[_vm->_goblin->_currentGoblin]->doAnim = 1;
		_vm->_goblin->_goblins[_vm->_goblin->_currentGoblin]->nextState = 21;

		_vm->_goblin->nextLayer(_vm->_goblin->_goblins[_vm->_goblin->_currentGoblin]);
		_vm->_goblin->_currentGoblin = 0;

		gobDesc->doAnim = 0;
		gobDesc->type = 0;
		gobDesc->toRedraw = 1;

		_vm->_goblin->_pressedMapX = _vm->_goblin->_gobPositions[0].x;
		_vm->_map->_destX = _vm->_goblin->_gobPositions[0].x;
		_vm->_goblin->_gobDestX = _vm->_goblin->_gobPositions[0].x;

		_vm->_goblin->_pressedMapY = _vm->_goblin->_gobPositions[0].y;
		_vm->_map->_destY = _vm->_goblin->_gobPositions[0].y;
		_vm->_goblin->_gobDestY = _vm->_goblin->_gobPositions[0].y;

		_vm->_goblin->_curGobVarPtr = 0;
		_vm->_goblin->_pathExistence = 0;
		_vm->_goblin->_readyToAct = 0;
	}

	if ((gobDesc->state != 10) && (_vm->_goblin->_itemIndInPocket != -1) &&
			(_vm->_goblin->getObjMaxFrame(gobDesc) == gobDesc->curFrame)) {

		gobDesc->stateMach = gobDesc->realStateMach;
		xPos = _vm->_goblin->_gobPositions[0].x;
		yPos = _vm->_goblin->_gobPositions[0].y;

		gobDesc->nextState = 10;
		layer = _vm->_goblin->nextLayer(gobDesc);

		_vm->_scenery->updateAnim(layer, 0, gobDesc->animation, 0,
				gobDesc->xPos, gobDesc->yPos, 0);

		gobDesc->yPos = (yPos * 6 + 6) -
			(_vm->_scenery->_toRedrawBottom - _vm->_scenery->_animTop);
		gobDesc->xPos = xPos * 12 -
			(_vm->_scenery->_toRedrawLeft - _vm->_scenery->_animLeft);
	}

	if (gobDesc->state != 10)
		return;

	if (_vm->_goblin->_itemIndInPocket == -1)
		return;

	if (gobDesc->curFrame != 10)
		return;

	params.objDesc = _vm->_goblin->_objects[_vm->_goblin->_itemIndInPocket];
	params.objDesc->type = 0;
	params.objDesc->toRedraw = 1;
	params.objDesc->curFrame = 0;

	params.objDesc->order = gobDesc->order;
	params.objDesc->animation =
			params.objDesc->stateMach[params.objDesc->state][0]->animation;

	layer = params.objDesc->stateMach[params.objDesc->state][0]->layer;

	_vm->_scenery->updateAnim(layer, 0, params.objDesc->animation, 0,
			params.objDesc->xPos, params.objDesc->yPos, 0);

	params.objDesc->yPos += (_vm->_goblin->_gobPositions[0].y * 6 + 5) -
		_vm->_scenery->_toRedrawBottom;

	if (gobDesc->curLookDir == 4) {
		params.objDesc->xPos += _vm->_goblin->_gobPositions[0].x * 12 + 14
				- (_vm->_scenery->_toRedrawLeft + _vm->_scenery->_toRedrawRight) / 2;
	} else {
		params.objDesc->xPos += _vm->_goblin->_gobPositions[0].x * 12
				- (_vm->_scenery->_toRedrawLeft + _vm->_scenery->_toRedrawRight) / 2;
	}

	_vm->_goblin->_itemIndInPocket = -1;
	_vm->_goblin->_itemIdInPocket = -1;
	_vm->_util->beep(50);
}

int16 Inter_v1::loadSound(int16 slot) {
	if (slot == -1)
		slot = _vm->_game->_script->readValExpr();

	uint16 id = _vm->_game->_script->readUint16();
	if (id == 0xFFFF) {
		_vm->_game->_script->skip(9);
		return 0;
	}

	Resource *resource = _vm->_game->_resources->getResource(id);
	if (!resource)
		return 0;

	SoundDesc *sample = _vm->_sound->sampleGetBySlot(slot);
	if (!sample)
		return 0;

	sample->load(SOUND_SND, resource);
	return 0;
}

void Inter_v1::animPalette() {
	int16 i;
	Video::Color col;

	if (_animPalDir[0] == 0)
		return;

	_vm->_video->waitRetrace();

	if (_animPalDir[0] == -1) {
		col = _vm->_draw->_vgaSmallPalette[_animPalLowIndex[0]];

		for (i = _animPalLowIndex[0]; i < _animPalHighIndex[0]; i++)
			_vm->_draw->_vgaSmallPalette[i] = _vm->_draw->_vgaSmallPalette[i + 1];

		_vm->_draw->_vgaSmallPalette[_animPalHighIndex[0]] = col;
	} else {
		col = _vm->_draw->_vgaSmallPalette[_animPalHighIndex[0]];
		for (i = _animPalHighIndex[0]; i > _animPalLowIndex[0]; i--)
			_vm->_draw->_vgaSmallPalette[i] = _vm->_draw->_vgaSmallPalette[i - 1];

		_vm->_draw->_vgaSmallPalette[_animPalLowIndex[0]] = col;
	}

	_vm->_global->_pPaletteDesc->vgaPal = _vm->_draw->_vgaSmallPalette;
	_vm->_video->setFullPalette(_vm->_global->_pPaletteDesc);
}

void Inter_v1::manipulateMap(int16 xPos, int16 yPos, int16 item) {
	for (int y = 0; y < _vm->_map->_mapHeight; y++) {
		for (int x = 0; x < _vm->_map->_mapWidth; x++) {
			if ((_vm->_map->getItem(x, y) & 0xFF) == item)
				_vm->_map->setItem(x, y, _vm->_map->getItem(x, y) & 0xFF00);
			else if (((_vm->_map->getItem(x, y) & 0xFF00) >> 8) == item)
				_vm->_map->setItem(x, y, _vm->_map->getItem(x, y) & 0xFF);
		}
	}

	if (xPos < _vm->_map->_mapWidth - 1) {
		if (yPos > 0) {
			if (((_vm->_map->getItem(xPos, yPos) & 0xFF00) != 0) ||
					((_vm->_map->getItem(xPos, yPos - 1) & 0xFF00) != 0) ||
					((_vm->_map->getItem(xPos + 1, yPos) & 0xFF00) != 0) ||
					((_vm->_map->getItem(xPos + 1, yPos - 1) & 0xFF00) != 0)) {

				_vm->_map->setItem(xPos, yPos,
						(_vm->_map->getItem(xPos, yPos) & 0xFF00) + item);

				_vm->_map->setItem(xPos, yPos - 1,
						(_vm->_map->getItem(xPos, yPos - 1) & 0xFF00) + item);

				_vm->_map->setItem(xPos + 1, yPos,
						(_vm->_map->getItem(xPos + 1, yPos) & 0xFF00) + item);

				_vm->_map->setItem(xPos + 1, yPos - 1,
						(_vm->_map->getItem(xPos + 1, yPos - 1) & 0xFF00) + item);

			} else {
				_vm->_map->setItem(xPos, yPos,
						(_vm->_map->getItem(xPos, yPos) & 0xFF) + (item << 8));

				_vm->_map->setItem(xPos, yPos - 1,
						(_vm->_map->getItem(xPos, yPos - 1) & 0xFF) + (item << 8));

				_vm->_map->setItem(xPos + 1, yPos,
						(_vm->_map->getItem(xPos + 1, yPos) & 0xFF) + (item << 8));

				_vm->_map->setItem(xPos + 1, yPos - 1,
						(_vm->_map->getItem(xPos + 1, yPos - 1) & 0xFF) + (item << 8));
			}
		} else {
			if (((_vm->_map->getItem(xPos, yPos) & 0xFF00) != 0) ||
					((_vm->_map->getItem(xPos + 1, yPos) & 0xFF00) != 0)) {

				_vm->_map->setItem(xPos, yPos,
						(_vm->_map->getItem(xPos, yPos) & 0xFF00) + item);

				_vm->_map->setItem(xPos + 1, yPos,
						(_vm->_map->getItem(xPos + 1, yPos) & 0xFF00) + item);

			} else {
				_vm->_map->setItem(xPos, yPos,
						(_vm->_map->getItem(xPos, yPos) & 0xFF) + (item << 8));

				_vm->_map->setItem(xPos + 1, yPos,
						(_vm->_map->getItem(xPos + 1, yPos) & 0xFF) + (item << 8));
			}
		}
	} else {
		if (yPos > 0) {
			if (((_vm->_map->getItem(xPos, yPos) & 0xFF00) != 0) ||
					((_vm->_map->getItem(xPos, yPos - 1) & 0xFF00) != 0)) {

				_vm->_map->setItem(xPos, yPos,
						(_vm->_map->getItem(xPos, yPos) & 0xFF00) + item);

				_vm->_map->setItem(xPos, yPos - 1,
						(_vm->_map->getItem(xPos, yPos - 1) & 0xFF00) + item);

			} else {
				_vm->_map->setItem(xPos, yPos,
						(_vm->_map->getItem(xPos, yPos) & 0xFF) + (item << 8));

				_vm->_map->setItem(xPos, yPos - 1,
						(_vm->_map->getItem(xPos, yPos - 1) & 0xFF) + (item << 8));
			}
		} else {
			if ((_vm->_map->getItem(xPos, yPos) & 0xFF00) != 0) {
				_vm->_map->setItem(xPos, yPos,
						(_vm->_map->getItem(xPos, yPos) & 0xFF00) + item);
			} else {
				_vm->_map->setItem(xPos, yPos,
						(_vm->_map->getItem(xPos, yPos) & 0xFF) + (item << 8));
			}
		}
	}

	if ((item < 0) || (item >= 20))
		return;

	if ((xPos > 1) && (_vm->_map->getPass(xPos - 2, yPos) == 1)) {
		_vm->_map->_itemPoses[item].x = xPos - 2;
		_vm->_map->_itemPoses[item].y = yPos;
		_vm->_map->_itemPoses[item].orient = 4;
		return;
	}

	if ((xPos < _vm->_map->_mapWidth - 2) &&
			(_vm->_map->getPass(xPos + 2, yPos) == 1)) {
		_vm->_map->_itemPoses[item].x = xPos + 2;
		_vm->_map->_itemPoses[item].y = yPos;
		_vm->_map->_itemPoses[item].orient = 0;
		return;
	}

	if ((xPos < _vm->_map->_mapWidth - 1) &&
			(_vm->_map->getPass(xPos + 1, yPos) == 1)) {
		_vm->_map->_itemPoses[item].x = xPos + 1;
		_vm->_map->_itemPoses[item].y = yPos;
		_vm->_map->_itemPoses[item].orient = 0;
		return;
	}

	if ((xPos > 0) && (_vm->_map->getPass(xPos - 1, yPos) == 1)) {
		_vm->_map->_itemPoses[item].x = xPos - 1;
		_vm->_map->_itemPoses[item].y = yPos;
		_vm->_map->_itemPoses[item].orient = 4;
		return;
	}
}

} // End of namespace Gob